/* ==========================================================================
   AI Mastermind Stylesheet - Apple Pro Glassmorphic Black Theme
   ========================================================================== */

:root {
    --bg-main: #000000;       /* Pitch Black */
    --bg-sec: #08080a;        /* Deep Space Black */
    --bg-card: rgba(22, 22, 26, 0.65); /* Translucent Black Card */
    --bg-terminal: rgba(12, 12, 16, 0.85);
    --text-primary: #ffffff;  /* Pure Crisp White */
    --text-muted: #86868b;     /* Apple Slate Gray */
    --google-blue: #0071e3;    /* Apple Interactive Blue */
    --google-red: #ff453a;     /* Dark Mode System Red */
    --google-green: #30d158;   /* Dark Mode System Green */
    --border-color: rgba(255, 255, 255, 0.08); /* Silver Border */
    --border-hover: rgba(255, 255, 255, 0.16);
    
    /* Apple SF Pro Style Typography */
    --font-heading: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Icons", "Helvetica Neue", Helvetica, Arial, sans-serif;
    --font-body: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Icons", "Helvetica Neue", Helvetica, Arial, sans-serif;
    --font-mono: SFMono-Regular, Consolas, Monaco, Menlo, monospace;
    
    --transition-smooth: all 0.3s cubic-bezier(0.25, 1, 0.5, 1);
    --transition-fast: all 0.15s ease-out;
}

/* Base Styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background-color: var(--bg-main);
    color: var(--text-muted);
    font-family: var(--font-body);
    line-height: 1.45;
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 980px; /* Standard Apple Page Layout Limit */
    margin: 0 auto;
    padding: 0 22px;
}

/* Typography */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 600;
    letter-spacing: -0.012em;
    color: var(--text-primary);
}

h1 {
    font-size: 4rem; /* Large Immersive Apple Headers */
    font-weight: 700;
    letter-spacing: -0.022em;
    line-height: 1.07;
}

h2 {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.1;
}

h3 {
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: -0.015em;
}

p {
    letter-spacing: -0.011em;
}

a {
    color: var(--google-blue);
    text-decoration: none;
    transition: var(--transition-smooth);
}

a:hover {
    text-decoration: none;
    opacity: 0.85;
}

/* Clean Accents */
.accent-text {
    color: var(--text-primary);
}

.gradient-text-blue-green {
    background: linear-gradient(90deg, #0071e3, #30d158, #a23bff, #0071e3);
    background-size: 300% 100%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: shimmer-text 8s linear infinite;
    display: inline;
}

@keyframes shimmer-text {
    0% { background-position: 0% 50%; }
    100% { background-position: 300% 50%; }
}

.section-header {
    text-align: center;
    margin-bottom: 56px;
    padding-top: 24px;
}

.section-tag {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 600;
    color: #ff9f0a; /* Dark Mode Orange */
    margin-bottom: 12px;
    letter-spacing: -0.01em;
}

.section-desc {
    font-size: 1.15rem;
    line-height: 1.4;
    color: var(--text-muted);
    max-width: 600px;
    margin: 12px auto 0 auto;
    font-weight: 400;
}

/* Apple Pill Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 16px;
    border-radius: 980px; /* Perfect Circle Pill */
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition-smooth);
    border: none;
    letter-spacing: -0.01em;
}

.btn-primary {
    background-color: var(--google-blue);
    color: white;
}

.btn-primary:hover {
    background-color: #0077ed;
}

.btn-secondary {
    background: transparent;
    color: var(--google-blue);
    padding: 0;
}

.btn-secondary::after {
    content: " >";
    font-weight: 600;
}

.btn-secondary:hover {
    text-decoration: underline;
    background: transparent;
}

.btn-large {
    padding: 12px 24px;
    font-size: 1rem;
}

.btn-block {
    width: 100%;
    padding: 12px;
}

/* Small Red dot */
.pulse-dot {
    display: inline-block;
    width: 6px;
    height: 6px;
    background-color: var(--google-red);
    border-radius: 50%;
    margin-right: 6px;
    vertical-align: middle;
}

/* Top Banner (Apple Style Sub-Header) */
.top-banner {
    background-color: rgba(22, 22, 26, 0.4);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: 12px 0;
    text-align: center;
    font-size: 0.75rem;
    color: #f5f5f7;
    font-weight: 400;
}

.banner-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

/* Navigation Header (Apple Translucent Dark Navbar) */
.main-header {
    background-color: rgba(0, 0, 0, 0.75);
    backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 10px 0;
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.logo:hover {
    text-decoration: none;
    opacity: 0.7;
}

.desktop-nav {
    display: flex;
    gap: 32px;
}

.desktop-nav a {
    color: var(--text-primary);
    font-size: 0.75rem; /* Tiny clean apple links */
    font-weight: 400;
    opacity: 0.8;
}

.desktop-nav a:hover {
    color: var(--google-blue);
    text-decoration: none;
    opacity: 1;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Hero Section (Immersive Apple Intelligence Dark Theme) */
.hero-section {
    position: relative;
    min-height: calc(100vh - 80px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px 0;
    text-align: center;
    background-color: var(--bg-main);
    overflow: hidden;
    box-sizing: border-box;
}

/* Soft Apple Intelligence Glowing Core */
.hero-bg-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 113, 227, 0.08) 0%, rgba(162, 59, 255, 0.05) 40%, rgba(0,0,0,0) 70%);
    z-index: 0;
    pointer-events: none;
}

#hero-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

.hero-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    z-index: 2;
}

.badge-partnership {
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-muted);
}

.cisco-badge {
    color: var(--google-blue);
}

.google-badge {
    color: var(--google-green);
}

.hero-title {
    max-width: 900px;
    margin-bottom: 24px;
    font-size: 5rem;
    font-weight: 850;
    letter-spacing: -0.03em;
    line-height: 1.1;
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 3.2rem;
    }
}

.hero-subtitle {
    font-size: 1.4rem;
    font-weight: 400;
    color: var(--text-muted);
    max-width: 600px;
    margin-bottom: 32px;
    line-height: 1.35;
}

.hero-cta-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.cta-experts-tag {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--google-blue);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: -4px;
}

.hero-cta-group .btn-primary {
    padding: 12px 24px;
    font-size: 1rem;
    box-shadow: 0 4px 20px rgba(0, 113, 227, 0.3);
}

.hero-guarantee {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.hero-guarantee strong {
    font-weight: 400;
    color: var(--google-blue);
}

.hero-guarantee strong::after {
    content: " >";
}

.shield-icon {
    display: none;
}

.features-pill-row {
    display: none;
}

/* Student & Faculty Use Cases Bento Grid */
.usecases-section {
    padding: 100px 0;
    background: var(--bg-sec);
    position: relative;
    border-top: 1px solid var(--border-color);
}

.usecase-group {
    max-width: 900px;
    margin: 0 auto;
}

.group-title {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 28px;
    color: var(--text-primary);
    text-align: left;
    border-left: 4px solid var(--google-blue);
    padding-left: 12px;
}

.usecases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 900px;
    margin: 0 auto;
}

.usecase-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 32px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: flex-start;
    transition: var(--transition-smooth);
    overflow: hidden;
    position: relative;
    min-height: 280px;
}

.usecase-card.wide {
    grid-column: span 2;
    flex-direction: row;
    align-items: center;
    gap: 24px;
}

.usecase-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
}

.card-content {
    flex: 1.2;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    height: 100%;
}

.card-visual {
    flex: 0.8;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
}

.usecase-icon {
    font-size: 2.2rem;
    margin-bottom: 16px;
}

.usecase-card h3 {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.usecase-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.5;
    margin-bottom: 24px;
    flex-grow: 1;
}

.usecase-tag {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--google-blue);
    background: rgba(0, 113, 227, 0.1);
    padding: 4px 12px;
    border-radius: 980px;
    margin-top: auto;
}

/* Bento Hover Glows */
.usecase-card.glow-blue-hover:hover { box-shadow: 0 0 35px rgba(0, 113, 227, 0.15); }
.usecase-card.glow-purple-hover:hover { box-shadow: 0 0 35px rgba(162, 59, 255, 0.15); }
.usecase-card.glow-red-hover:hover { box-shadow: 0 0 35px rgba(255, 69, 58, 0.15); }
.usecase-card.glow-green-hover:hover { box-shadow: 0 0 35px rgba(48, 209, 88, 0.15); }

/* In-Card Visual Mock components */
.window-mock {
    width: 100%;
    max-width: 220px;
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    padding: 16px;
    font-family: monospace;
    font-size: 0.75rem;
    box-shadow: 0 10px 25px rgba(0,0,0,0.3);
    text-align: left;
}

.window-bar {
    display: flex;
    gap: 4px;
    margin-bottom: 12px;
}

.window-bar .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
}

.window-code .keyword { color: #ff7b72; }
.window-code .func { color: #d2a8ff; }
.window-code .str { color: #a5d6ff; }

.slides-mock {
    display: flex;
    gap: 8px;
    width: 100%;
    max-width: 220px;
}

.slides-mock .slide {
    flex: 1;
    height: 80px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.65rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
}

.slides-mock .slide.active {
    background: rgba(0, 113, 227, 0.08);
    border-color: var(--google-blue);
    color: var(--text-primary);
}

.check-mock {
    width: 100%;
    max-width: 200px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    text-align: left;
}

.check-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.check-item::before {
    content: "✓";
    color: var(--google-green);
    font-weight: 700;
}

@media (max-width: 900px) {
    .usecases-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .usecase-card.wide {
        grid-column: span 1;
        flex-direction: column;
        align-items: flex-start;
    }
    
    .card-visual {
        margin-top: 20px;
    }
}

/* Agenda Section (Apple Grid Style) */
.agenda-section {
    padding: 100px 0;
    background: var(--bg-main);
    position: relative;
}

.agenda-bg-glow {
    position: absolute;
    bottom: -10%;
    right: 5%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(162, 59, 255, 0.04) 0%, rgba(0,0,0,0) 70%);
    pointer-events: none;
    z-index: 0;
}

.agenda-tabs {
    display: flex;
    gap: 24px;
    justify-content: center;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 48px;
    position: relative;
    z-index: 1;
}

.agenda-tab-btn {
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    padding: 12px 4px;
    border-radius: 0;
    cursor: pointer;
    transition: var(--transition-smooth);
    box-shadow: none;
}

.agenda-tab-btn:hover {
    color: var(--text-primary);
}

.agenda-tab-btn.active {
    border-color: var(--text-primary);
}

.tab-time {
    display: none;
}

.tab-title {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-muted);
}

.agenda-tab-btn.active .tab-title {
    color: var(--text-primary);
    font-weight: 600;
}

.agenda-card-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 48px;
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 48px;
    align-items: center;
    box-shadow: none;
    position: relative;
    z-index: 1;
}

.agenda-card-info h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: -0.015em;
}

.card-intro {
    color: var(--text-muted);
    font-size: 1.1rem;
    line-height: 1.4;
    margin-bottom: 24px;
}

.bullet-list li {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.bullet-list li::before {
    color: var(--google-blue);
}

/* Visual Placeholders (Apple minimal vectors) */
.model-badge {
    border-radius: 12px;
    padding: 16px;
    font-size: 0.9rem;
    border: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.02);
    color: var(--text-primary);
}

.model-badge.gemini { border-left: none; }
.model-badge.chatgpt { border-left: none; }
.model-badge.claude { border-left: none; }

.terminal-mock, .report-mock, .gift-box {
    width: 100%;
    max-width: 300px;
    margin: 0 auto;
    padding: 32px 24px;
    box-sizing: border-box;
    text-align: center;
    position: relative;
    border: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.01);
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
    backdrop-filter: blur(10px);
}

.terminal-mock {
    background: rgba(0,0,0,0.3);
    padding: 0 0 24px 0;
    text-align: left;
}

.term-bar {
    background: rgba(255,255,255,0.02);
    border-bottom: 1px solid var(--border-color);
    padding: 12px 16px;
    display: flex;
    gap: 6px;
    margin-bottom: 16px;
}

.term-bar .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
}

.term-code {
    color: var(--text-muted);
    font-family: monospace;
    font-size: 0.75rem;
    padding: 0 16px;
    line-height: 1.4;
}

.report-header {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
    text-align: left;
}

.report-lines {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 20px;
}

.report-lines .line {
    height: 6px;
    border-radius: 3px;
    background: rgba(255, 255, 255, 0.08);
}

.report-lines .line.w-100 { width: 100%; }
.report-lines .line.w-90 { width: 90%; }
.report-lines .line.w-75 { width: 75%; }

.saved-badge {
    display: inline-block;
    padding: 6px 14px;
    background: var(--google-blue);
    color: white;
    border-radius: 980px;
    font-weight: 600;
    font-size: 0.75rem;
    margin-top: 12px;
}

.gift-icon {
    display: none;
}

.gift-box h4 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.gift-box p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.value-label {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(162, 59, 255, 0.1);
    border: 1px solid rgba(162, 59, 255, 0.25);
    color: #a23bff;
    border-radius: 980px;
    font-size: 0.75rem;
    font-weight: 600;
}

/* Trainers Section (Apple team gallery layout) */
.trainers-section {
    padding: 100px 0;
    background: var(--bg-sec);
    position: relative;
}

.trainers-bg-glow {
    position: absolute;
    top: 20%;
    left: 5%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 113, 227, 0.04) 0%, rgba(0,0,0,0) 70%);
    pointer-events: none;
    z-index: 0;
}

.trainers-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
    max-width: 900px;
    position: relative;
    z-index: 1;
}

.trainer-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 40px;
    box-shadow: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.trainer-card:hover {
    transform: none;
}

.trainer-avatar-container {
    width: 120px;
    height: 120px;
    margin-bottom: 20px;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    background-color: rgba(255, 255, 255, 0.02);
}

.trainer-avatar {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.trainer-badge {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    padding: 2px 8px;
    border-radius: 980px;
    border: none;
}

.trainer-card:nth-child(1) .trainer-badge {
    color: var(--google-blue);
    background: rgba(0, 113, 227, 0.15);
}

.trainer-card:nth-child(2) .trainer-badge {
    color: #ff9f0a;
    background: rgba(255, 159, 10, 0.15);
}

.trainer-card h3 {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.trainer-role {
    font-size: 0.95rem;
    color: var(--text-primary);
}

.trainer-edu {
    font-size: 0.85rem;
    margin-bottom: 16px;
}

.trainer-bio {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.45;
}

.trainer-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 16px;
    justify-content: center;
}

.trainer-tags span {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    padding: 4px 10px;
    border-radius: 6px;
}

/* The Mastermind Standard Feature Grid */
.edge-section {
    padding: 100px 0;
    background: var(--bg-main);
    border-bottom: none;
}

.edge-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    max-width: 900px;
    margin: 0 auto;
}

.edge-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 40px 32px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: var(--transition-smooth);
}

.edge-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
}

.edge-icon-circle {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.edge-svg {
    width: 24px;
    height: 24px;
    display: block;
}

.edge-icon-circle.blue {
    color: var(--google-blue);
    border-color: rgba(0, 113, 227, 0.25);
    background: rgba(0, 113, 227, 0.05);
}

.edge-icon-circle.purple {
    color: #a23bff;
    border-color: rgba(162, 59, 255, 0.25);
    background: rgba(162, 59, 255, 0.05);
}

.edge-icon-circle.green {
    color: var(--google-green);
    border-color: rgba(48, 209, 88, 0.25);
    background: rgba(48, 209, 88, 0.05);
}

.edge-card h3 {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.edge-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.5;
}

@media (max-width: 768px) {
    /* Header mobile overrides */
    .desktop-nav {
        display: none !important; /* Hide links to avoid row overflow */
    }
    
    .header-container {
        padding: 0 16px;
    }
    
    .main-header {
        padding: 8px 0;
    }

    /* Agenda mobile updates */
    .agenda-tabs {
        flex-wrap: wrap;
        gap: 12px;
        padding-bottom: 8px;
        margin-bottom: 28px;
    }
    
    .agenda-tab-btn {
        padding: 8px 12px;
        font-size: 0.85rem;
    }
    
    .agenda-card-grid {
        grid-template-columns: 1fr !important;
        gap: 24px;
        padding: 24px;
    }
    
    .agenda-card-info h3 {
        font-size: 1.6rem;
    }

    /* Trainers mobile updates */
    .trainers-grid {
        grid-template-columns: 1fr !important;
        gap: 24px;
    }
    
    .trainer-card {
        padding: 28px 20px;
    }

    /* Edge pillars mobile updates */
    .edge-grid {
        grid-template-columns: 1fr !important;
        gap: 20px;
    }
    
    /* Footer layout stack */
    .footer-container {
        flex-direction: column;
        gap: 24px;
        text-align: center;
        align-items: center;
        display: flex;
    }
    
    .footer-brand {
        text-align: center;
        align-items: center;
        display: flex;
        flex-direction: column;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 16px;
        text-align: center;
        align-items: center;
        display: flex;
    }
}

/* FAQ Accordion (Apple Accordions) */
.faq-section {
    padding: 100px 0;
    background: var(--bg-main);
}

.faq-accordion-container {
    max-width: 680px;
}

.faq-item {
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--border-color);
    border-radius: 0;
    box-shadow: none;
}

.faq-question {
    padding: 20px 0;
    font-size: 1.15rem;
    font-weight: 500;
}

.faq-icon {
    font-size: 1rem;
    color: var(--text-muted);
}

.faq-item.active {
    border-color: var(--border-color);
}

.faq-answer {
    padding: 0 0 20px 0;
}

/* Trust CTA Call-out (Apple Promo banner in Dark Glass) */
.trust-cta-section {
    padding: 90px 0 110px 0;
    background: var(--bg-sec);
    position: relative;
    overflow: hidden;
}

.cta-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(162, 59, 255, 0.06) 0%, rgba(0,0,0,0) 70%);
    pointer-events: none;
    z-index: 0;
}

.cta-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: 28px;
    padding: 64px 40px;
    box-shadow: none;
    position: relative;
    z-index: 1;
}

.guarantee-shield-large {
    font-size: 2.5rem;
    margin-bottom: 12px;
}

.cta-card h2 {
    font-size: 2.8rem;
    font-weight: 700;
    letter-spacing: -0.022em;
    margin-bottom: 16px;
}

.cta-card p {
    font-size: 1.3rem;
    color: var(--text-muted);
    max-width: 580px;
    margin-bottom: 28px;
    line-height: 1.4;
}

/* Footer styling */
.main-footer {
    background-color: var(--bg-main);
    border-top: none;
    padding: 60px 0 30px 0;
}

.footer-container {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 30px;
    margin-bottom: 20px;
}

.footer-brand p {
    font-size: 0.75rem;
    max-width: 480px;
}

.footer-links h4 {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
}

.footer-links a, .footer-links p {
    font-size: 0.75rem;
}

/* Checkout/Booking Drawer (Apple Slide-panel in dark glass) */
.checkout-drawer-overlay {
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(8px);
}

.checkout-drawer {
    background-color: rgba(10, 10, 12, 0.85);
    backdrop-filter: saturate(180%) blur(20px);
    border-left: 1px solid var(--border-color);
    max-width: 380px;
    color: var(--text-primary);
}

.drawer-header {
    border-bottom: 1px solid var(--border-color);
}

.checkout-steps {
    background-color: transparent;
    border-bottom: 1px solid var(--border-color);
}

.checkout-steps .step {
    border-radius: 980px;
    font-size: 0.65rem;
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--border-color);
    color: var(--text-muted);
}

.checkout-steps .step.active {
    background: var(--google-blue);
    color: white;
}

.checkout-steps .step.completed {
    background: var(--google-green);
    color: white;
}

input, select {
    border-radius: 8px;
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

input:focus, select:focus {
    border-color: var(--google-blue);
    background-color: black;
}

/* Digital Ticket / Booking Pass (Sleek Apple Wallet Pass in Glass) */
.ticket-card {
    background: rgba(255,255,255,0.02);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.ticket-card::before, .ticket-card::after {
    background-color: #0c0c0e; /* Matches drawer bg */
}

.ticket-top {
    background-color: rgba(255, 255, 255, 0.02);
}

.ticket-badge {
    background: rgba(0, 113, 227, 0.15);
    color: var(--google-blue);
}

.barcode span {
    background-color: white;
}

.guarantee-text {
    color: var(--google-blue);
}

/* ==========================================================================
   Apple Reveal Scroll Animations
   ========================================================================== */
.reveal {
    opacity: 0;
    transform: translateY(40px) scale(0.98);
    transition: opacity 1.2s cubic-bezier(0.16, 1, 0.3, 1), transform 1.2s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
}

.reveal.revealed {
    opacity: 1;
    transform: translateY(0) scale(1);
}

/* Staggered Landing Entrance Delays */
.hero-section .badge-partnership.reveal {
    transition-delay: 100ms;
}
.hero-section .hero-title.reveal {
    transition-delay: 200ms;
}
.hero-section .hero-subtitle.reveal {
    transition-delay: 350ms;
}
.hero-section .hero-cta-group.reveal {
    transition-delay: 500ms;
}

/* Scroll Parallax Shapes */
.parallax-shape {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 113, 227, 0.08) 0%, rgba(162, 59, 255, 0.03) 70%, rgba(0,0,0,0) 100%);
    pointer-events: none;
    z-index: 1;
    will-change: transform;
}

.shape-1 {
    width: 250px;
    height: 250px;
    top: 15%;
    left: -100px;
}

.shape-2 {
    width: 300px;
    height: 300px;
    top: 40%;
    right: -120px;
    background: radial-gradient(circle, rgba(162, 59, 255, 0.08) 0%, rgba(0, 113, 227, 0.03) 70%, rgba(0,0,0,0) 100%);
}

.shape-3 {
    width: 350px;
    height: 350px;
    top: 20%;
    right: -150px;
}

.shape-4 {
    width: 200px;
    height: 200px;
    top: 60%;
    left: -80px;
    background: radial-gradient(circle, rgba(48, 209, 88, 0.08) 0%, rgba(0, 113, 227, 0.03) 70%, rgba(0,0,0,0) 100%);
}

/* 3D Perspective Card Transitions */
.usecase-card, .trainer-card, .edge-card {
    transition: transform 0.25s cubic-bezier(0.25, 1, 0.5, 1), border-color var(--transition-smooth), box-shadow var(--transition-smooth) !important;
    transform-style: preserve-3d;
}

/* Responsive Grid Updates */
@media (max-width: 1024px) {
    .sandbox-container {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}
