/* Design System Custom Properties */
:root {
    --bg-main: #0F172A;
    --bg-darker: #090D1A;
    --bg-card: #1E293B;
    --bg-light: #FFFFFF;
    --bg-light-alt: #F8FAFC;
    --border-color: rgba(0, 166, 118, 0.15);
    --border-glow: rgba(0, 166, 118, 0.3);
    --primary: #00A676;
    --primary-rgb: 0, 166, 118;
    --secondary: #3B82F6;
    --accent: #FF8A00;
    --accent-rgb: 255, 138, 0;
    --text-primary: #F8FAFC;
    --text-secondary: #94A3B8;
    --text-muted: #64748B;
    --gradient-primary: linear-gradient(135deg, #00A676 0%, #05d699 100%);
    --gradient-accent: linear-gradient(135deg, #FF8A00 0%, #ffaa33 100%);
    --gradient-dark: linear-gradient(180deg, #0F172A 0%, #090D1A 100%);
    --gradient-light: linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 100%);
    --shadow-neon: 0 8px 30px rgba(0, 166, 118, 0.15);
    --shadow-glow: 0 0 25px rgba(0, 166, 118, 0.4);
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: var(--font-body);
}

body {
    overflow-x: hidden;
    line-height: 1.6;
}

body.loading {
    overflow: hidden;
}

/* Custom Cursor styles */
#custom-cursor-ring {
    width: 30px;
    height: 30px;
    border: 2px solid var(--primary);
    border-radius: 50%;
    position: fixed;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 9999;
    transition: width 0.3s, height 0.3s, background-color 0.3s, border-color 0.3s;
    transition-timing-function: cubic-bezier(0.16, 1, 0.3, 1);
    mix-blend-mode: difference;
    display: none;
}
#custom-cursor-dot {
    width: 6px;
    height: 6px;
    background-color: var(--secondary);
    border-radius: 50%;
    position: fixed;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    transition: width 0.3s, height 0.3s, background-color 0.3s;
    transition-timing-function: cubic-bezier(0.16, 1, 0.3, 1);
}
#custom-cursor-dot #cursor-text {
    display: none;
    font-family: var(--font-heading);
    font-size: 8px;
    font-weight: 800;
    color: var(--bg-main);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    pointer-events: none;
}

body.cursor-active #custom-cursor-ring,
body.cursor-active #custom-cursor-dot {
    display: block;
}

@media (max-width: 1024px) {
    #custom-cursor-ring,
    #custom-cursor-dot {
        display: none !important;
    }
}

body.cursor-hover #custom-cursor-ring {
    width: 50px;
    height: 50px;
    background-color: rgba(0, 255, 135, 0.15);
    border-color: transparent;
}
body.cursor-hover #custom-cursor-dot {
    width: 8px;
    height: 8px;
    background-color: #ffffff;
}

body.cursor-drag #custom-cursor-ring {
    width: 70px;
    height: 70px;
    border-color: var(--secondary);
    background-color: rgba(96, 239, 255, 0.05);
}
body.cursor-drag #custom-cursor-dot {
    width: 45px;
    height: 45px;
    background-color: var(--secondary);
}
body.cursor-drag #custom-cursor-dot #cursor-text {
    display: block;
}

/* Preloader styling */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: var(--bg-darker);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 1s cubic-bezier(0.85, 0, 0.15, 1);
}
.preloader.fade-out {
    transform: translateY(-100vh);
}
.preloader-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    width: 80%;
    max-width: 400px;
}
.preloader-logo {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 2.8rem;
    color: #ffffff;
    letter-spacing: -0.03em;
}
.preloader-logo span {
    color: var(--primary);
    font-weight: 500;
}
.preloader-progress {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary);
}
.preloader-bar {
    width: 100%;
    height: 2px;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 2px;
    overflow: hidden;
}
#loader-bar-fill {
    width: 0%;
    height: 100%;
    background: var(--gradient-primary);
}

/* Noise texture overlay */
.noise-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    opacity: 0.05;
    pointer-events: none;
    z-index: 9998;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

/* Scroll reveal utility classes */
.reveal-text {
    overflow: hidden;
    position: relative;
}
.reveal-text span {
    display: inline-block;
    transform: translateY(100%);
    transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal-text.active span {
    transform: translateY(0);
}

.fade-in-up-reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.fade-in-up-reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.scale-up-reveal {
    opacity: 0;
    transform: scale(0.92);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.scale-up-reveal.active {
    opacity: 1;
    transform: scale(1);
}


.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Scrollbar Customization */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-main);
}
::-webkit-scrollbar-thumb {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

/* Typography styling */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: #ffffff;
}

.highlight-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Button & UI Components */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 30px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition-smooth);
    text-decoration: none;
    outline: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--bg-main);
    border: none;
    box-shadow: 0 4px 15px rgba(0, 255, 135, 0.2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
}

.btn-block {
    display: flex;
    width: 100%;
}

/* Sections Base */
section {
    padding: 100px 0;
    position: relative;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.section-header {
    margin-bottom: 60px;
    max-width: 700px;
}

.section-header.text-center {
    margin-left: auto;
    margin-right: auto;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 16px;
    line-height: 1.2;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.text-center {
    text-align: center;
}

/* Navigation Header */
.navbar-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition-smooth);
    background: transparent;
}

.navbar-header.scrolled {
    padding: 12px 0;
    background: rgba(6, 10, 8, 0.85);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(0, 255, 135, 0.08);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo-icon {
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-icon svg {
    width: 100%;
    height: 100%;
}

.logo-text {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.5rem;
    color: #ffffff;
    letter-spacing: -0.03em;
}

.logo-text span {
    color: var(--primary);
    font-weight: 500;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-item {
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-smooth);
    position: relative;
    padding: 8px 0;
}

.nav-item:hover, .nav-item.active {
    color: #ffffff;
}

.nav-item::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-smooth);
    border-radius: 2px;
}

.nav-item:hover::after, .nav-item.active::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.nav-cta-btn {
    background: rgba(0, 255, 135, 0.06);
    color: var(--primary);
    border: 1px solid rgba(0, 255, 135, 0.25);
    padding: 10px 22px;
    border-radius: 20px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    transition: var(--transition-smooth);
}

.nav-cta-btn:hover {
    background: var(--gradient-primary);
    color: var(--bg-main);
    box-shadow: 0 0 15px rgba(0, 255, 135, 0.3);
    border-color: transparent;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.menu-toggle .bar {
    width: 24px;
    height: 2px;
    background-color: #ffffff;
    border-radius: 2px;
    transition: var(--transition-smooth);
}

.nav-btn-mobile {
    display: none;
}

/* Hero Section */
.hero-section {
    padding-top: 180px;
    padding-bottom: 120px;
    overflow: hidden;
}

.hero-bg-glow {
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 255, 135, 0.08) 0%, rgba(96, 239, 255, 0.03) 50%, transparent 70%);
    top: -100px;
    right: -100px;
    pointer-events: none;
    z-index: 1;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 40px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(0, 255, 135, 0.05);
    border: 1px solid rgba(0, 255, 135, 0.15);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 24px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--primary);
    box-shadow: 0 0 10px var(--primary);
    animation: pulse 1.5s infinite;
}

.hero-title {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 600px;
}

.hero-cta-group {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* Floating Notebook Graphics */
.hero-visual {
    position: relative;
    height: 480px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.visual-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.floating-notebook-card {
    width: 280px;
    height: 380px;
    background: var(--gradient-dark);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    position: relative;
    display: flex;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    transform: rotate(-8deg);
    animation: floatLarge 6s ease-in-out infinite;
    overflow: hidden;
    z-index: 5;
}

.floating-notebook-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, rgba(255,255,255,0.03) 0%, rgba(255,255,255,0) 8%, rgba(255,255,255,0) 95%, rgba(0,0,0,0.15) 100%);
    pointer-events: none;
    z-index: 2;
}

.notebook-spine {
    width: 14px;
    background: linear-gradient(90deg, rgba(0,255,135,0.8) 0%, rgba(0,255,135,0.2) 100%);
    box-shadow: inset -2px 0 5px rgba(0,0,0,0.4);
    height: 100%;
    z-index: 3;
}

.notebook-cover {
    flex: 1;
    padding: 24px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    background: var(--bg-card);
}

.notebook-brand-label {
    display: flex;
    align-items: center;
    gap: 8px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    padding-bottom: 10px;
}

.brand-dots span {
    display: inline-block;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background-color: var(--primary);
    margin-right: 3px;
}

.label-text {
    font-size: 0.65rem;
    color: var(--text-muted);
    font-weight: 700;
    letter-spacing: 0.1em;
}

.notebook-ad-space-preview {
    border: 1px dashed rgba(0, 255, 135, 0.3);
    border-radius: 8px;
    background: rgba(0, 255, 135, 0.02);
    padding: 20px 10px;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 8px;
}

.dummy-logo {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 0.95rem;
    color: #ffffff;
    letter-spacing: 0.05em;
}

.dummy-slogan {
    font-size: 0.55rem;
    color: var(--text-secondary);
}

.dummy-qr {
    display: flex;
    align-items: center;
    gap: 4px;
    background: rgba(255, 255, 255, 0.04);
    padding: 4px 8px;
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    margin-top: 4px;
}

.dummy-qr i {
    font-size: 0.75rem;
    color: var(--primary);
}

.dummy-qr span {
    font-size: 0.45rem;
    color: var(--text-muted);
    font-weight: 600;
}

.notebook-footer-label {
    font-size: 0.6rem;
    color: var(--text-muted);
    text-align: right;
    font-weight: 500;
}

.floating-card {
    position: absolute;
    background: rgba(12, 18, 16, 0.85);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 12px 18px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    z-index: 6;
}

.stat-badge-floating {
    top: 50px;
    right: 40px;
    animation: floatMedium 5s ease-in-out infinite 0.5s;
    transform: rotate(5deg);
}

.student-badge-floating {
    bottom: 40px;
    left: 20px;
    animation: floatMedium 7.5s ease-in-out infinite;
    transform: rotate(-4deg);
}

.badge-icon {
    width: 38px;
    height: 38px;
    border-radius: 8px;
    background: rgba(0, 255, 135, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: var(--primary);
}

.badge-text {
    display: flex;
    flex-direction: column;
}

.badge-num {
    font-size: 1.15rem;
    font-weight: 800;
    color: #ffffff;
    line-height: 1.1;
    font-family: var(--font-heading);
}

.badge-lbl {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Stats Bar */
.stats-bar-wrapper {
    margin-top: 80px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    background: rgba(2, 4, 3, 0.3);
}

.stats-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    padding: 40px 24px;
    gap: 20px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 2.8rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Why Section / Feature Cards */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 40px 30px;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at top left, rgba(0, 255, 135, 0.08) 0%, transparent 60%);
    pointer-events: none;
    opacity: 0;
    transition: var(--transition-smooth);
}

.feature-card:hover {
    transform: translateY(-6px);
    border-color: rgba(0, 255, 135, 0.25);
    box-shadow: var(--shadow-neon);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon-box {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    background: rgba(0, 255, 135, 0.06);
    border: 1px solid rgba(0, 255, 135, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    color: var(--primary);
    margin-bottom: 28px;
    transition: var(--transition-smooth);
}

.feature-card:hover .feature-icon-box {
    background: var(--gradient-primary);
    color: var(--bg-main);
    box-shadow: 0 0 15px rgba(0, 255, 135, 0.35);
    border-color: transparent;
}

.feature-title {
    font-size: 1.35rem;
    margin-bottom: 12px;
}

.feature-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
}

/* Ad Placement/Formats Grid */
.formats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.format-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    overflow: hidden;
    display: flex;
    flex-direction: row;
    height: 280px;
    transition: var(--transition-smooth);
}

.format-card:hover {
    border-color: rgba(0, 255, 135, 0.2);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
    transform: translateY(-3px);
}

.format-img-placeholder {
    width: 40%;
    background: var(--bg-darker);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.format-thumbnail-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.format-card:hover .format-thumbnail-img {
    transform: scale(1.08);
}

.format-img-placeholder::before {
    content: '';
    position: absolute;
    width: 150px;
    height: 150px;
    background: radial-gradient(circle, rgba(0, 255, 135, 0.12) 0%, transparent 70%);
    pointer-events: none;
}

.notebook-mesh {
    width: 70px;
    height: 100px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    position: relative;
    box-shadow: 0 8px 15px rgba(0,0,0,0.3);
}

.cover-active::after {
    content: '';
    position: absolute;
    top: 15px;
    left: 10px;
    right: 10px;
    bottom: 15px;
    border: 1px solid var(--primary);
    background: rgba(0, 255, 135, 0.08);
}

.inserts-active::before {
    content: '';
    position: absolute;
    top: 5px;
    bottom: 5px;
    left: -5px;
    width: 6px;
    background: #ffffff;
    border-radius: 2px;
}

.watermark-active {
    background: linear-gradient(to bottom, #111 50%, #222 50%);
    background-size: 100% 10px;
}

.watermark-active::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 30px;
    height: 30px;
    background: radial-gradient(circle, rgba(0,255,135,0.4) 0%, transparent 80%);
}

.qr-active::after {
    content: '\f029';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--primary);
    font-size: 1.5rem;
}

.format-info {
    width: 60%;
    padding: 35px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.format-tag {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--secondary);
    margin-bottom: 8px;
}

.format-title {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.format-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 20px;
    line-height: 1.4;
}

.format-bullets {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.format-bullets li {
    font-size: 0.85rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.format-bullets li i {
    color: var(--primary);
    font-size: 0.8rem;
}

/* Mockup Section & Customizer */
.mockup-layout {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 40px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 40px;
    box-shadow: 0 15px 50px rgba(0,0,0,0.3);
}

.mockup-controls {
    border-right: 1px solid rgba(255, 255, 255, 0.05);
    padding-right: 40px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.mockup-controls h3 {
    font-size: 1.6rem;
}

.controls-guide {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-top: -12px;
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.config-option {
    display: flex;
    align-items: center;
    gap: 14px;
    background: rgba(255,255,255,0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 14px 18px;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.config-option:hover {
    background: rgba(255,255,255,0.04);
    border-color: rgba(0, 255, 135, 0.15);
}

.config-option input[type="checkbox"] {
    display: none;
}

.custom-checkbox {
    width: 20px;
    height: 20px;
    border: 2px solid var(--text-muted);
    border-radius: 4px;
    position: relative;
    transition: var(--transition-smooth);
    flex-shrink: 0;
}

.config-option input[type="checkbox"]:checked + .custom-checkbox {
    border-color: var(--primary);
    background: var(--primary);
}

.config-option input[type="checkbox"]:checked + .custom-checkbox::after {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    color: var(--bg-main);
    font-size: 0.65rem;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.config-option input[type="checkbox"]:checked + .custom-checkbox + .option-details .option-name {
    color: #ffffff;
}

.option-details {
    display: flex;
    flex-direction: column;
}

.option-name {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-secondary);
    transition: var(--transition-smooth);
}

.option-price {
    font-size: 0.75rem;
    color: var(--primary);
}

.control-brand-input {
    display: flex;
    flex-direction: column;
    gap: 12px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 20px;
}

.control-brand-input label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
}

.control-brand-input input[type="text"] {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 8px;
    padding: 10px 14px;
    color: #ffffff;
    font-family: var(--font-body);
    font-size: 0.9rem;
    transition: var(--transition-smooth);
}

.control-brand-input input[type="text"]:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(0, 255, 135, 0.02);
}

.color-palette {
    display: flex;
    gap: 10px;
    margin-top: 4px;
}

.color-btn {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition-smooth);
    position: relative;
}

.color-btn.active {
    border-color: #ffffff;
    transform: scale(1.15);
}

/* Notebook 3D Preview */
.mockup-preview-zone {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 30px;
}

.preview-container {
    width: 100%;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    perspective: 1200px;
}

.notebook-3d-model {
    width: 270px;
    height: 370px;
    position: relative;
    transform-style: preserve-3d;
    transition: transform 1.2s cubic-bezier(0.16, 1, 0.3, 1), width 1.2s cubic-bezier(0.16, 1, 0.3, 1);
    transform: rotateX(15deg) rotateY(-15deg);
}

.notebook-3d-model.view-inside {
    width: 480px;
    transform: rotateX(20deg) rotateY(0deg);
}


.spine-strip {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 15px;
    background: #000;
    border-top-left-radius: 8px;
    border-bottom-left-radius: 8px;
    z-index: 10;
    box-shadow: 2px 0 5px rgba(0,0,0,0.5);
    background: linear-gradient(90deg, #111 0%, #333 40%, #000 100%);
}

.page-layer-under {
    position: absolute;
    left: 10px;
    top: 6px;
    bottom: 6px;
    right: 4px;
    background: #e2e8f0;
    border-top-right-radius: 6px;
    border-bottom-right-radius: 6px;
    z-index: 2;
    box-shadow: 3px 3px 10px rgba(0,0,0,0.2);
}

.cover-surface {
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    background: #18221f;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    z-index: 5;
    padding: 30px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: 5px 10px 25px rgba(0,0,0,0.3);
    transition: transform 1.2s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.6s ease-in-out;
    transform-origin: left center;
    backface-visibility: hidden;
}

.notebook-3d-model.view-inside .cover-surface {
    transform: rotateY(-140deg);
    opacity: 0.05;
    pointer-events: none;
}


.inner-ad-holder {
    border: 2px dashed rgba(0, 255, 135, 0.35);
    border-radius: 12px;
    background: rgba(0, 255, 135, 0.03);
    padding: 30px 15px;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 14px;
    transition: var(--transition-smooth);
}

.preview-logo-space {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 800;
    color: #ffffff;
    text-align: center;
    letter-spacing: 0.05em;
    word-break: break-all;
}

.preview-tagline {
    font-size: 0.7rem;
    color: var(--text-secondary);
    letter-spacing: 0.1em;
    font-weight: 600;
}

.preview-qr-holder {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.08);
    padding: 6px 12px;
    border-radius: 6px;
    transition: var(--transition-smooth);
}

.preview-qr-holder i {
    font-size: 1.1rem;
    color: var(--primary);
}

.preview-qr-holder .qr-label {
    font-size: 0.65rem;
    color: var(--text-muted);
    font-weight: 700;
    text-transform: uppercase;
}

.notebook-marker-seal {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-align: right;
    font-weight: 600;
    margin-top: 15px;
}

.ribbon-marker {
    position: absolute;
    bottom: -15px;
    right: 40px;
    width: 14px;
    height: 50px;
    background: var(--gradient-primary);
    border-bottom-left-radius: 4px;
    border-bottom-right-radius: 4px;
    z-index: 4;
    transition: var(--transition-smooth);
    box-shadow: 2px 2px 5px rgba(0,0,0,0.3);
}

/* Notebook Open Page Layout */
.open-pages-surface {
    position: absolute;
    width: 480px;
    height: 350px;
    background: #fdfdfd;
    border-radius: 6px;
    box-shadow: 5px 15px 35px rgba(0,0,0,0.4);
    left: -105px;
    top: 10px;
    display: flex;
    z-index: 4;
    overflow: hidden;
    border: 1px solid #d1d5db;
    transition: transform 1.2s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.8s ease-in-out, left 1.2s cubic-bezier(0.16, 1, 0.3, 1);
    transform: rotateY(90deg) translateZ(-20px);
    opacity: 0;
    pointer-events: none;
    transform-origin: center center;
}

.notebook-3d-model.view-inside .open-pages-surface {
    transform: rotateY(0deg) translateZ(0);
    opacity: 1;
    pointer-events: auto;
    z-index: 8;
    left: 0;
}


.open-pages-surface::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 14px;
    transform: translateX(-50%);
    background: linear-gradient(90deg, rgba(0,0,0,0.15) 0%, rgba(0,0,0,0.3) 50%, rgba(0,0,0,0.15) 100%);
    z-index: 10;
}

.page-side {
    width: 50%;
    height: 100%;
    position: relative;
    padding: 24px;
    background: #ffffff;
}

.page-layout-content {
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.ruler-lines {
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(96, 165, 250, 0.2) 1px, transparent 1px);
    background-size: 100% 18px;
    border-left: 2px solid rgba(239, 68, 68, 0.3);
    padding-left: 12px;
}

/* Graph paper pattern */
.graph-grid-preview {
    width: 100%;
    height: 100%;
    background-size: 12px 12px;
    background-image: 
        linear-gradient(to right, rgba(96, 165, 250, 0.15) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(96, 165, 250, 0.15) 1px, transparent 1px);
    border-left: 2px solid rgba(239, 68, 68, 0.3);
}

/* Index layout preview */
.index-grid-preview {
    width: 100%;
    height: 100%;
    padding-top: 10px;
    border-left: 2px solid rgba(239, 68, 68, 0.3);
    padding-left: 10px;
}
.index-header-mock {
    font-size: 0.75rem;
    font-weight: 700;
    color: #374151;
    border-bottom: 2px solid #374151;
    padding-bottom: 4px;
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    text-align: center;
}
.index-row-mock {
    height: 20px;
    border-bottom: 1px solid rgba(96, 165, 250, 0.2);
    display: flex;
    justify-content: space-between;
}

/* Map layout preview */
.map-svg-preview {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-left: 2px solid rgba(239, 68, 68, 0.3);
    padding-left: 10px;
    opacity: 0.45;
}
.map-placeholder-graphic {
    font-size: 3rem;
    color: #3b82f6;
    margin-bottom: 10px;
}
.map-label-graphic {
    font-size: 0.65rem;
    font-weight: 600;
    color: #1f2937;
    letter-spacing: 0.05em;
}

/* Drawing layout preview */
.drawing-preview {
    width: 100%;
    height: 100%;
    border: 1px solid rgba(0,0,0,0.06);
    background: #ffffff;
}

/* Page inner ad banners */
.preview-inner-ad-banner {
    position: absolute;
    left: 20px;
    right: 20px;
    bottom: 20px;
    border: 2px dashed #00ff87;
    background: rgba(0, 255, 135, 0.04);
    padding: 6px 10px;
    border-radius: 6px;
    text-align: center;
    transition: var(--transition-smooth);
    z-index: 10;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}
.ad-banner-logo {
    font-size: 0.7rem;
    font-weight: 800;
    color: #0c1210;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.page-number-mock {
    position: absolute;
    bottom: 12px;
    font-size: 0.65rem;
    color: #9ca3af;
}

.left-page .page-number-mock { left: 16px; }
.right-page .page-number-mock { right: 16px; }

.preview-toggle-bar {
    display: flex;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: 30px;
    padding: 4px;
}

.preview-mode-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 8px 24px;
    border-radius: 20px;
    cursor: pointer;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition-smooth);
}

.preview-mode-btn.active {
    background: var(--gradient-primary);
    color: var(--bg-main);
}

/* ROI Estimator Section */
.estimator-wrapper {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 40px;
    align-items: stretch;
}

.estimator-inputs {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.input-slider-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 30px;
}

.slider-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.slider-header span:first-child {
    font-weight: 600;
    font-size: 1.1rem;
    color: #ffffff;
}

.val-display {
    color: var(--primary);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.25rem;
}

.estimator-slider {
    width: 100%;
    -webkit-appearance: none;
    appearance: none;
    height: 6px;
    border-radius: 3px;
    background: rgba(255,255,255,0.08);
    outline: none;
    margin-bottom: 12px;
}

.estimator-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    box-shadow: 0 0 10px rgba(0, 255, 135, 0.4);
    transition: var(--transition-smooth);
}

.estimator-slider::-webkit-slider-thumb:hover {
    transform: scale(1.15);
    background: #ffffff;
}

.slider-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.input-selection-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 30px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.input-selection-card label {
    font-weight: 600;
    color: #ffffff;
}

.estimator-placements-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.est-placement-label {
    margin-bottom: 0 !important;
    padding: 12px 16px;
}

@media (max-width: 640px) {
    .estimator-placements-grid {
        grid-template-columns: 1fr;
    }
}

.estimator-outputs {
    background: var(--gradient-dark);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: var(--shadow-neon);
}

.estimator-outputs h3 {
    font-size: 1.5rem;
    margin-bottom: 24px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    padding-bottom: 12px;
}

.out-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-bottom: 30px;
}

.out-card {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.out-lbl {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.out-val {
    font-size: 1.6rem;
    font-family: var(--font-heading);
    font-weight: 700;
    color: #ffffff;
}

.highlight-val {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 1.9rem;
}

.estimator-note {
    display: flex;
    gap: 10px;
    background: rgba(96, 239, 255, 0.03);
    border: 1px solid rgba(96, 239, 255, 0.1);
    border-radius: 8px;
    padding: 12px 16px;
    font-size: 0.75rem;
    color: var(--text-secondary);
    line-height: 1.4;
    margin-bottom: 24px;
}

.estimator-note i {
    color: var(--secondary);
    font-size: 0.9rem;
    margin-top: 2px;
}

.estimator-cta {
    text-decoration: none;
}

/* Student Hub Section */
.student-box {
    background: linear-gradient(135deg, rgba(12, 18, 16, 0.8) 0%, rgba(2, 4, 3, 0.8) 100%);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 60px;
    display: flex;
    gap: 40px;
    align-items: center;
    overflow: hidden;
    position: relative;
}

.student-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 80% 50%, rgba(0, 255, 135, 0.05) 0%, transparent 60%);
    pointer-events: none;
}

.student-content {
    flex: 1.2;
    position: relative;
    z-index: 2;
}

.students-badge {
    font-size: 0.75rem;
    color: var(--secondary);
    font-weight: 700;
    letter-spacing: 0.1em;
    margin-bottom: 12px;
    display: block;
}

.student-content h2 {
    font-size: 2.3rem;
    margin-bottom: 16px;
    line-height: 1.2;
}

.student-content p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    margin-bottom: 32px;
}

.student-ctas {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.student-graphic {
    flex: 0.8;
    position: relative;
    height: 250px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.graphic-circle {
    position: absolute;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 255, 135, 0.1) 0%, transparent 70%);
}

.notebook-spread {
    position: relative;
    width: 160px;
    height: 120px;
    perspective: 800px;
}

.g-page {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 50%;
    background: #e2e8f0;
    box-shadow: 2px 10px 20px rgba(0,0,0,0.3);
}

.g-page.left {
    left: 0;
    border-top-left-radius: 6px;
    border-bottom-left-radius: 6px;
    transform: rotateY(20deg);
    background: #f1f5f9;
}

.g-page.right {
    right: 0;
    border-top-right-radius: 6px;
    border-bottom-right-radius: 6px;
    transform: rotateY(-20deg);
    background: #ffffff;
}

.g-ribbon {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 140px;
    background: var(--gradient-primary);
    border-radius: 2px;
    box-shadow: 2px 2px 8px rgba(0,0,0,0.2);
}

/* Contact Form & Tabs */
.contact-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 50px;
}

.contact-badge {
    font-size: 0.75rem;
    color: var(--primary);
    font-weight: 700;
    letter-spacing: 0.1em;
    margin-bottom: 12px;
    display: block;
}

.contact-title {
    font-size: 2.5rem;
    margin-bottom: 16px;
    line-height: 1.2;
}

.contact-desc {
    color: var(--text-secondary);
    font-size: 1.05rem;
    margin-bottom: 40px;
}

.contact-details-list {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-detail-item {
    display: flex;
    gap: 20px;
    align-items: center;
}

.detail-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    background: rgba(0,255,135,0.05);
    border: 1px solid rgba(0,255,135,0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.25rem;
}

.detail-text {
    display: flex;
    flex-direction: column;
}

.detail-lbl {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
}

.detail-val {
    font-size: 1.1rem;
    color: #ffffff;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-smooth);
}

a.detail-val:hover {
    color: var(--primary);
}

.contact-form-wrapper {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 40px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 15px 40px rgba(0,0,0,0.3);
}

.form-tabs {
    display: flex;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: 30px;
    padding: 4px;
    margin-bottom: 30px;
}

.form-tab-btn {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 10px;
    border-radius: 20px;
    cursor: pointer;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition-smooth);
}

.form-tab-btn.active {
    background: var(--gradient-primary);
    color: var(--bg-main);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-title {
    font-size: 1.4rem;
    margin-bottom: 8px;
}

.form-group-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
}

.form-group input, .form-group select, .form-group textarea {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 8px;
    padding: 12px 16px;
    color: #ffffff;
    font-family: var(--font-body);
    font-size: 0.9rem;
    outline: none;
    transition: var(--transition-smooth);
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    border-color: var(--primary);
    background: rgba(0, 255, 135, 0.02);
}

.success-notification {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-card);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    padding: 40px;
    text-align: center;
    opacity: 0;
    pointer-events: none;
    transform: translateY(15px);
    transition: var(--transition-smooth);
    z-index: 10;
}

.success-notification.active {
    opacity: 1;
    pointer-events: all;
    transform: translateY(0);
}

.success-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: rgba(0,255,135,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 2.5rem;
    box-shadow: 0 0 20px rgba(0,255,135,0.2);
}

.success-msg-content h4 {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.success-msg-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Footer Section */
.main-footer {
    background: var(--bg-darker);
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    padding: 80px 0 40px 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 0.8fr);
    gap: 40px;
    margin-bottom: 60px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.brand-pitch {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-links a {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.06);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 1rem;
    transition: var(--transition-smooth);
    text-decoration: none;
}

.social-links a:hover {
    background: var(--gradient-primary);
    color: var(--bg-main);
    border-color: transparent;
    transform: translateY(-2px);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-links h4 {
    font-size: 1rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: #ffffff;
}

.footer-links ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links ul a {
    color: var(--text-secondary);
    font-size: 0.9rem;
    text-decoration: none;
    transition: var(--transition-smooth);
}

.footer-links ul a:hover {
    color: var(--primary);
    padding-left: 4px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    padding-top: 30px;
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Keyframes Animations */
@keyframes pulse {
    0% { transform: scale(0.9); opacity: 0.6; }
    50% { transform: scale(1.1); opacity: 1; box-shadow: 0 0 12px var(--primary); }
    100% { transform: scale(0.9); opacity: 0.6; }
}

@keyframes floatLarge {
    0% { transform: rotate(-8deg) translateY(0); }
    50% { transform: rotate(-6deg) translateY(-15px); }
    100% { transform: rotate(-8deg) translateY(0); }
}

@keyframes floatMedium {
    0% { transform: translateY(0) rotate(5deg); }
    50% { transform: translateY(-8px) rotate(3deg); }
    100% { transform: translateY(0) rotate(5deg); }
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
    .hero-title { font-size: 3.2rem; }
    .formats-grid { grid-template-columns: 1fr; }
    .format-card { height: auto; flex-direction: column; }
    .format-img-placeholder { width: 100%; height: 180px; }
    .format-info { width: 100%; padding: 30px; }
    .mockup-layout { grid-template-columns: 1fr; }
    .mockup-controls { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.05); padding-right: 0; padding-bottom: 30px; }
    .estimator-wrapper { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 768px) {
    section { padding: 60px 0; }
    .section-title { font-size: 2rem; }
    .navbar-header { padding: 15px 0; }
    .menu-toggle { display: flex; }
    
    .nav-menu {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: #020403;
        flex-direction: column;
        justify-content: center;
        gap: 30px;
        transform: translateY(-100%);
        transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
        z-index: 999;
    }
    
    .nav-menu.active {
        transform: translateY(0);
    }
    
    .nav-item { font-size: 1.25rem; }
    .nav-cta-btn { display: none; }
    .nav-btn-mobile {
        display: inline-flex;
        background: var(--gradient-primary);
        color: var(--bg-main);
        padding: 12px 30px;
        border-radius: 30px;
        font-family: var(--font-heading);
        font-weight: 600;
        text-decoration: none;
    }
    
    .hero-grid { grid-template-columns: 1fr; text-align: center; }
    .hero-badge { margin: 0 auto 24px auto; }
    .hero-subtitle { margin: 0 auto 30px auto; }
    .hero-cta-group { justify-content: center; }
    .hero-visual { height: 350px; margin-top: 30px; }
    .floating-notebook-card { width: 220px; height: 300px; }
    
    .stats-bar { grid-template-columns: repeat(2, 1fr); gap: 30px; }
    .stat-number { font-size: 2.2rem; }
    
    .student-box { flex-direction: column; padding: 40px; text-align: center; }
    .student-ctas { justify-content: center; }
    .student-graphic { height: 180px; }
    
    .form-group-row { grid-template-columns: 1fr; gap: 0; }
    .form-group { margin-bottom: 20px; }
    .contact-form-wrapper { padding: 30px 20px; }
    
    .footer-grid { grid-template-columns: 1fr; gap: 30px; }
    
    /* Toggle active state */
    .menu-toggle.active .bar:nth-child(1) { transform: translateY(8px) rotate(45deg); }
    .menu-toggle.active .bar:nth-child(2) { opacity: 0; }
    .menu-toggle.active .bar:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
}

/* Custom Cursor */
.custom-cursor {
    width: 24px;
    height: 24px;
    border: 2px solid var(--primary);
    border-radius: 50%;
    position: fixed;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 9999;
    transition: width 0.3s, height 0.3s, background-color 0.3s;
    mix-blend-mode: difference;
}
.custom-cursor-dot {
    width: 6px;
    height: 6px;
    background-color: var(--primary);
    border-radius: 50%;
    position: fixed;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 9999;
}
@media (max-width: 1024px) {
    .custom-cursor, .custom-cursor-dot { display: none; }
}

/* Scroll Progress Bar */
.scroll-progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 4px;
    background: var(--gradient-primary);
    z-index: 1001;
    transition: width 0.1s ease-out;
}

/* Light/Dark Alternating Sections */
.light-section {
    background-color: var(--bg-light);
    color: var(--bg-main);
}
.light-section h1, 
.light-section h2, 
.light-section h3, 
.light-section h4 {
    color: var(--bg-main) !important;
}
.light-section .section-subtitle {
    color: var(--text-muted) !important;
}
.light-section p, 
.light-section li {
    color: #334155 !important;
}
.light-section .card,
.light-section .feature-card,
.light-section .grid-card,
.light-section .info-card {
    background: #FFFFFF !important;
    border: 1px solid rgba(0, 166, 118, 0.15) !important;
    box-shadow: 0 4px 20px rgba(15, 23, 42, 0.05) !important;
    color: var(--bg-main) !important;
}
.light-section .card:hover,
.light-section .feature-card:hover {
    border-color: var(--primary) !important;
    box-shadow: 0 10px 30px rgba(0, 166, 118, 0.1) !important;
}

/* Mega Menu Dropdown */
.nav-item-dropdown {
    position: relative;
}
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background: rgba(15, 23, 42, 0.95);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(16px);
    border-radius: 12px;
    width: 250px;
    padding: 16px;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    gap: 8px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}
.nav-item-dropdown:hover .dropdown-menu {
    opacity: 1;
    pointer-events: all;
    transform: translateX(-50%) translateY(0);
}
.dropdown-item {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition-smooth);
}
.dropdown-item:hover {
    color: var(--primary);
    background: rgba(0, 166, 118, 0.08);
    padding-left: 18px;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    color: var(--bg-main);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(0, 166, 118, 0.3);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition-smooth);
    z-index: 999;
}
.back-to-top.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.back-to-top:hover {
    box-shadow: var(--shadow-glow);
    transform: translateY(-4px);
}

/* Animated Timeline Connective Line */
.timeline-container {
    position: relative;
    max-width: 900px;
    margin: 50px auto 0 auto;
}
.timeline-line {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: rgba(0, 166, 118, 0.15);
    transform: translateX(-50%);
}
.timeline-progress {
    position: absolute;
    left: 50%;
    top: 0;
    height: 0%;
    width: 2px;
    background: var(--gradient-primary);
    transform: translateX(-50%);
    transition: height 0.1s ease-out;
}
.timeline-item {
    position: relative;
    width: 50%;
    padding: 30px;
    box-sizing: border-box;
}
.timeline-item:nth-child(odd) {
    left: 0;
    text-align: right;
    padding-right: 50px;
}
.timeline-item:nth-child(even) {
    left: 50%;
    text-align: left;
    padding-left: 50px;
}
.timeline-dot {
    position: absolute;
    top: 38px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--bg-main);
    border: 3px solid var(--primary);
    z-index: 2;
    transition: var(--transition-smooth);
}
.timeline-item:nth-child(odd) .timeline-dot {
    right: -8px;
}
.timeline-item:nth-child(even) .timeline-dot {
    left: -8px;
}
.timeline-item.active .timeline-dot {
    background: var(--primary);
    box-shadow: 0 0 12px var(--primary);
}
.timeline-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 24px;
    border-radius: 12px;
    transition: var(--transition-smooth);
}
.timeline-item:hover .timeline-content {
    transform: translateY(-5px);
    border-color: var(--primary);
}
.light-section .timeline-content {
    background: #FFFFFF !important;
    border: 1px solid rgba(0, 166, 118, 0.15) !important;
}
.light-section .timeline-dot {
    background: #FFFFFF !important;
}
@media (max-width: 768px) {
    .timeline-line, .timeline-progress { left: 20px; transform: none; }
    .timeline-item { width: 100%; text-align: left !important; padding-left: 45px !important; padding-right: 0 !important; }
    .timeline-item:nth-child(even) { left: 0; }
    .timeline-dot { left: 12px !important; right: auto !important; }
}

/* Masonry Layout */
.masonry-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    grid-gap: 24px;
}
.masonry-item {
    border-radius: 12px;
    overflow: hidden;
    position: relative;
    cursor: pointer;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
}
.masonry-item img {
    width: 100%;
    height: auto;
    display: block;
    transition: var(--transition-smooth);
}
.masonry-item:hover img {
    transform: scale(1.05);
}
.masonry-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(15, 23, 42, 0.95), transparent);
    padding: 20px;
    box-sizing: border-box;
    opacity: 0;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}
.masonry-item:hover .masonry-overlay {
    opacity: 1;
}

/* Pricing Toggle */
.pricing-toggle-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 40px;
}
.switch-label {
    font-size: 1rem;
    font-weight: 600;
}
.switch-label.active {
    color: var(--primary);
}
.switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 26px;
}
.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}
.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    transition: .4s;
    border-radius: 34px;
}
.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: var(--primary);
    transition: .4s;
    border-radius: 50%;
}
input:checked + .slider {
    background-color: var(--primary);
}
input:checked + .slider:before {
    transform: translateX(24px);
    background-color: var(--bg-main);
}

/* Brand Marquee */
.marquee-container {
    overflow: hidden;
    white-space: nowrap;
    display: flex;
    padding: 20px 0;
    background: rgba(15, 23, 42, 0.3);
    border-top: 1px solid rgba(255, 255, 255, 0.03);
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}
.marquee-content {
    display: inline-flex;
    animation: marquee 25s linear infinite;
    gap: 50px;
}
.marquee-item {
    font-size: 1.5rem;
    font-family: var(--font-heading);
    font-weight: 800;
    color: var(--text-muted);
    opacity: 0.5;
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}
.marquee-item:hover {
    color: var(--primary);
    opacity: 1;
}
@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* Glassmorphism Accents */
.glass-card {
    background: rgba(30, 41, 59, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(12px);
    border-radius: 16px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.2);
}

/* Additional premium styling fixes */
.nav-menu.active {
    background: #0F172A !important;
}
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}
.pricing-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 40px 30px;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}
.pricing-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary);
    box-shadow: var(--shadow-neon);
}
.pricing-card.premium {
    border-color: var(--accent);
    box-shadow: 0 8px 30px rgba(255, 138, 0, 0.1);
}
.pricing-card.premium:hover {
    box-shadow: 0 0 35px rgba(255, 138, 0, 0.3);
}
.pricing-card.premium .badge-popular {
    position: absolute;
    top: 20px;
    right: -30px;
    background: var(--gradient-accent);
    color: #FFFFFF;
    padding: 4px 30px;
    font-size: 0.75rem;
    font-weight: 700;
    transform: rotate(45deg);
}
.price-tag {
    font-size: 2.5rem;
    font-weight: 800;
    margin: 20px 0;
    font-family: var(--font-heading);
}
.price-tag span {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 500;
}
.pricing-features {
    list-style: none;
    margin: 30px 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.pricing-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
    color: var(--text-secondary);
}
.pricing-features li i {
    color: var(--primary);
}
.pricing-card.premium .pricing-features li i {
    color: var(--accent);
}

/* Feature Comparison Table */
.comparison-section {
    margin-top: 80px;
}
.comparison-table-wrapper {
    overflow-x: auto;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}
.comparison-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}
.comparison-table th, .comparison-table td {
    padding: 16px 24px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}
.comparison-table th {
    background: var(--bg-card);
    font-weight: 700;
    color: #FFFFFF;
}
.comparison-table tr:hover td {
    background: rgba(255, 255, 255, 0.02);
}
.light-section .comparison-table th {
    background: var(--bg-light-alt);
    color: var(--bg-main);
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}
.light-section .comparison-table td {
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}
.light-section .comparison-table tr:hover td {
    background: rgba(0, 166, 118, 0.02);
}

/* ==========================================
   THE JOURNEY OF A NOTEBOOK (STORY TIMELINE)
   ========================================== */
.story-section {
    padding: 140px 0;
    background: radial-gradient(circle at 50% 30%, rgba(0, 255, 135, 0.03) 0%, transparent 60%);
    overflow: hidden;
}

.story-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(96, 239, 255, 0.05);
    border: 1px solid rgba(96, 239, 255, 0.15);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--secondary);
    margin-bottom: 24px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.story-timeline {
    position: relative;
    max-width: 1000px;
    margin: 80px auto 0 auto;
    padding: 20px 0;
}

.story-progress-line {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: rgba(255, 255, 255, 0.05);
    transform: translateX(-50%);
}

.story-progress-fill {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 0%;
    background: var(--gradient-primary);
    transition: height 0.1s ease-out;
}

.story-step {
    position: relative;
    width: 50%;
    margin-bottom: 80px;
    box-sizing: border-box;
}

.story-step:last-child {
    margin-bottom: 0;
}

.story-step:nth-child(odd) {
    left: 0;
    padding-right: 60px;
    text-align: right;
}

.story-step:nth-child(even) {
    left: 50%;
    padding-left: 60px;
    text-align: left;
}

.story-step-dot {
    position: absolute;
    top: 24px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--bg-main);
    border: 4px solid var(--border-color);
    z-index: 5;
    transition: var(--transition-smooth);
}

.story-step:nth-child(odd) .story-step-dot {
    right: -10px;
}

.story-step:nth-child(even) .story-step-dot {
    left: -10px;
}

.story-step.active .story-step-dot {
    border-color: var(--primary);
    background: var(--primary);
    box-shadow: 0 0 15px var(--primary);
}

.story-step-num {
    font-family: var(--font-heading);
    font-size: 5rem;
    font-weight: 800;
    line-height: 1;
    color: rgba(255, 255, 255, 0.03);
    position: absolute;
    top: -15px;
    z-index: 1;
    transition: var(--transition-smooth);
}

.story-step:nth-child(odd) .story-step-num {
    right: 70px;
}

.story-step:nth-child(even) .story-step-num {
    left: 70px;
}

.story-step.active .story-step-num {
    color: rgba(0, 255, 135, 0.08);
}

.story-step-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 35px;
    border-radius: 20px;
    position: relative;
    z-index: 2;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    transition: var(--transition-smooth);
}

.story-step:hover .story-step-content {
    border-color: rgba(0, 255, 135, 0.25);
    transform: translateY(-5px);
    box-shadow: var(--shadow-neon);
}

.story-step-title {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.story-step-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

.story-step-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 1.2rem;
    color: var(--primary);
    margin-top: 20px;
    transition: var(--transition-smooth);
}

.story-step:nth-child(odd) .story-step-icon {
    margin-left: auto;
}

.story-step:nth-child(even) .story-step-icon {
    margin-right: auto;
}

.story-step:hover .story-step-icon {
    background: var(--gradient-primary);
    color: var(--bg-main);
    box-shadow: 0 0 10px var(--primary);
    border-color: transparent;
}

@media (max-width: 768px) {
    .story-progress-line {
        left: 20px;
        transform: none;
    }
    .story-step {
        width: 100%;
        text-align: left !important;
        padding-left: 45px !important;
        padding-right: 0 !important;
        margin-bottom: 50px;
    }
    .story-step:nth-child(even) {
        left: 0;
    }
    .story-step-dot {
        left: 10px !important;
        right: auto !important;
    }
    .story-step-num {
        left: 55px !important;
        right: auto !important;
        font-size: 3.5rem;
    }
    .story-step-icon {
        margin-right: auto !important;
        margin-left: 0 !important;
    }
}

/* ==========================================
   STUDENT PORTAL COMPONENT STYLES
   ========================================== */
.portal-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 24px;
}

.portal-auth-card {
    background: rgba(30, 41, 59, 0.7);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(16px);
    border-radius: 20px;
    max-width: 500px;
    margin: 50px auto;
    padding: 40px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.portal-dashboard-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 30px;
    margin-top: 40px;
}

@media (max-width: 992px) {
    .portal-dashboard-grid {
        grid-template-columns: 1fr;
    }
}

.points-balance-box {
    background: linear-gradient(135deg, rgba(0, 166, 118, 0.15) 0%, rgba(30, 41, 59, 0.8) 100%);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 30px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.points-value {
    font-size: 4rem;
    font-weight: 800;
    font-family: var(--font-heading);
    color: var(--primary);
    line-height: 1.1;
    margin: 15px 0;
    text-shadow: 0 0 20px rgba(0, 166, 118, 0.4);
    animation: pointsPulse 2s infinite alternate;
}

@keyframes pointsPulse {
    0% { transform: scale(1); text-shadow: 0 0 15px rgba(0, 166, 118, 0.3); }
    100% { transform: scale(1.05); text-shadow: 0 0 30px rgba(0, 166, 118, 0.6); }
}

.scanner-widget {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 30px;
}

.scanner-viewfinder {
    width: 100%;
    height: 250px;
    background: #020403;
    border-radius: 12px;
    border: 2px solid rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
    margin: 20px 0;
}

.scanner-viewfinder.active {
    border-color: var(--primary);
    box-shadow: var(--shadow-neon);
}

.scanner-laser {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--primary);
    box-shadow: 0 0 15px var(--primary);
    opacity: 0;
}

.scanner-viewfinder.active .scanner-laser {
    opacity: 1;
    animation: laserMove 2.5s infinite linear;
}

@keyframes laserMove {
    0% { top: 0%; }
    50% { top: 100%; }
    100% { top: 0%; }
}

.scanner-viewfinder-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 160px;
    height: 160px;
    border: 2px dashed rgba(255, 255, 255, 0.3);
    border-radius: 8px;
    pointer-events: none;
    z-index: 2;
    transition: var(--transition-smooth);
}

.scanner-viewfinder.active .scanner-viewfinder-overlay {
    border-color: var(--primary);
    border-style: solid;
}

.qr-mock-sheet {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    margin-top: 20px;
}

.qr-mock-card {
    background: #ffffff;
    border-radius: 12px;
    padding: 16px;
    text-align: center;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.qr-mock-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary);
    box-shadow: 0 8px 24px rgba(0, 166, 118, 0.15);
}

.qr-mock-code {
    width: 70px;
    height: 70px;
    background: repeating-conic-gradient(#000 0% 25%, #fff 0% 50%) 50% / 10px 10px;
    border: 3px solid #000;
}

.qr-mock-card span {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--bg-main);
}

.rewards-list-container {
    margin-top: 40px;
}

.rewards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.reward-item-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 24px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: var(--transition-smooth);
}

.reward-item-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: var(--shadow-neon);
}

.reward-badge-pts {
    display: inline-block;
    background: rgba(0, 166, 118, 0.1);
    color: var(--primary);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
    align-self: flex-start;
}

.points-history-list {
    list-style: none;
    margin-top: 20px;
}

.history-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    margin-bottom: 10px;
    font-size: 0.9rem;
}

.history-item.plus .history-pts {
    color: var(--primary);
    font-weight: 700;
}

.history-item.minus .history-pts {
    color: var(--accent);
    font-weight: 700;
}

.toast-notification {
    position: fixed;
    bottom: 30px;
    left: 30px;
    background: rgba(15, 23, 42, 0.95);
    border: 1px solid var(--primary);
    backdrop-filter: blur(12px);
    border-radius: 12px;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: var(--shadow-neon);
    transform: translateY(100px);
    opacity: 0;
    transition: var(--transition-smooth);
    z-index: 10000;
}

.toast-notification.active {
    transform: translateY(0);
    opacity: 1;
}

.toast-icon {
    font-size: 1.5rem;
    color: var(--primary);
}

.student-portal-light {
    background: #ffffff;
    color: var(--bg-main);
}