/* ============================================================================
   MorbyVault Landing Page — Design System & Components
   ============================================================================ */

/* ─── Google Fonts ────────────────────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* ─── CSS Variables (Design Tokens) ───────────────────────────────────────── */
:root {
    /* Backgrounds */
    --bg-primary: #0a0f1e;
    --bg-secondary: #111827;
    --bg-card: rgba(17, 24, 39, 0.7);
    --bg-card-hover: rgba(30, 41, 59, 0.8);

    /* Accent Colors */
    --accent-blue: #3b82f6;
    --accent-blue-light: #60a5fa;
    --accent-emerald: #10b981;
    --accent-amber: #f59e0b;
    --accent-amber-hover: #d97706;
    --accent-purple: #8b5cf6;

    /* Text */
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    /* Borders */
    --border-subtle: rgba(148, 163, 184, 0.1);
    --border-glow: rgba(59, 130, 246, 0.3);

    /* Gradients */
    --gradient-hero: linear-gradient(135deg, #0a0f1e 0%, #1e1b4b 50%, #0a0f1e 100%);
    --gradient-cta: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    --gradient-card: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(16, 185, 129, 0.05) 100%);

    /* Glassmorphism */
    --glass-bg: rgba(17, 24, 39, 0.6);
    --glass-border: rgba(148, 163, 184, 0.15);
    --glass-blur: 12px;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;
    --text-hero: clamp(2.5rem, 5vw, 4.5rem);

    /* Spacing & Layout */
    --section-padding: clamp(4rem, 8vw, 8rem);
    --container-max: 1200px;
    --container-padding: clamp(1rem, 4vw, 2rem);
    --card-radius: 16px;
    --card-padding: 2rem;
    --gap-sm: 1rem;
    --gap-md: 2rem;
    --gap-lg: 4rem;

    /* Shadows & Effects */
    --shadow-card: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -2px rgba(0, 0, 0, 0.2);
    --shadow-glow: 0 0 30px rgba(59, 130, 246, 0.15);
    --shadow-cta: 0 4px 14px rgba(245, 158, 11, 0.4);

    /* Animation Timing */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --duration-fast: 200ms;
    --duration-normal: 400ms;
    --duration-slow: 800ms;
    --duration-stagger: 150ms;
}

/* ─── Global Reset & Base ─────────────────────────────────────────────────── */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-size: var(--text-base);
    line-height: 1.7;
    overflow-x: hidden;
}

a {
    color: var(--accent-blue-light);
    text-decoration: none;
    transition: color var(--duration-fast) var(--ease-out);
}

a:hover {
    color: var(--accent-blue);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ─── Utility ─────────────────────────────────────────────────────────────── */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.section-padding {
    padding: var(--section-padding) 0;
}

.section-label {
    display: inline-block;
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--accent-blue-light);
    margin-bottom: 0.75rem;
}

.section-title {
    font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: var(--text-lg);
    color: var(--text-secondary);
    max-width: 640px;
    margin: 0 auto 3rem;
    line-height: 1.7;
}

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

.text-gradient {
    background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-emerald) 50%, var(--accent-amber) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ─── Scroll Reveal Animations ────────────────────────────────────────────── */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity var(--duration-slow) var(--ease-out),
        transform var(--duration-slow) var(--ease-out);
}

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

.reveal-delay-1 {
    transition-delay: calc(var(--duration-stagger) * 1);
}

.reveal-delay-2 {
    transition-delay: calc(var(--duration-stagger) * 2);
}

.reveal-delay-3 {
    transition-delay: calc(var(--duration-stagger) * 3);
}

.reveal-delay-4 {
    transition-delay: calc(var(--duration-stagger) * 4);
}

/* ─── Glass Card ──────────────────────────────────────────────────────────── */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--card-radius);
    padding: var(--card-padding);
    box-shadow: var(--shadow-card);
    transition: transform var(--duration-normal) var(--ease-out),
        box-shadow var(--duration-normal) var(--ease-out),
        border-color var(--duration-normal) var(--ease-out),
        background var(--duration-normal) var(--ease-out);
}

.glass-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-glow), var(--shadow-card);
    border-color: var(--border-glow);
    background: var(--bg-card-hover);
}

/* ─── CTA Buttons ─────────────────────────────────────────────────────────── */
.btn-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2.25rem;
    background: var(--gradient-cta);
    color: #0a0f1e;
    font-family: var(--font-family);
    font-size: var(--text-lg);
    font-weight: 700;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    text-decoration: none;
    box-shadow: var(--shadow-cta);
    transition: transform var(--duration-fast) var(--ease-out),
        box-shadow var(--duration-fast) var(--ease-out),
        filter var(--duration-fast) var(--ease-out);
}

.btn-cta:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 8px 30px rgba(245, 158, 11, 0.5);
    filter: brightness(1.1);
    color: #0a0f1e;
}

.btn-cta:active {
    transform: translateY(0) scale(0.98);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.85rem 1.75rem;
    background: transparent;
    color: var(--text-primary);
    font-family: var(--font-family);
    font-size: var(--text-base);
    font-weight: 600;
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    cursor: pointer;
    text-decoration: none;
    transition: border-color var(--duration-fast) var(--ease-out),
        background var(--duration-fast) var(--ease-out);
}

.btn-secondary:hover {
    border-color: var(--accent-blue);
    background: rgba(59, 130, 246, 0.1);
    color: var(--text-primary);
}


/* ============================================================================
   SECTION 1: HERO
   ============================================================================ */
#hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-hero);
    overflow: hidden;
}

/* Animated mesh background */
.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
    z-index: 0;
}

.hero-bg .orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.35;
    animation: orbFloat 12s ease-in-out infinite alternate;
}

.hero-bg .orb-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--accent-blue) 0%, transparent 70%);
    top: -10%;
    right: -5%;
    animation-delay: 0s;
}

.hero-bg .orb-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--accent-purple) 0%, transparent 70%);
    bottom: -15%;
    left: -10%;
    animation-delay: -4s;
}

.hero-bg .orb-3 {
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, var(--accent-emerald) 0%, transparent 70%);
    top: 40%;
    left: 50%;
    animation-delay: -8s;
}

@keyframes orbFloat {
    0% {
        transform: translate(0, 0) scale(1);
    }

    33% {
        transform: translate(30px, -40px) scale(1.05);
    }

    66% {
        transform: translate(-20px, 20px) scale(0.95);
    }

    100% {
        transform: translate(15px, -10px) scale(1.02);
    }
}

/* Grid overlay */
.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(148, 163, 184, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(148, 163, 184, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 860px;
    padding: 6rem var(--container-padding) 2rem;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.25rem;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.25);
    border-radius: 100px;
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--accent-blue-light);
    margin-bottom: 2rem;
    animation: fadeInDown 0.8s var(--ease-out) forwards;
}

.hero-badge .dot {
    width: 8px;
    height: 8px;
    background: var(--accent-emerald);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.5;
        transform: scale(0.8);
    }
}

.hero-title {
    font-size: var(--text-hero);
    font-weight: 900;
    line-height: 1.08;
    letter-spacing: -0.03em;
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.8s var(--ease-out) 0.1s both;
}

.hero-title .highlight {
    background: linear-gradient(135deg, var(--accent-amber) 0%, #fbbf24 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(var(--text-base), 2vw, var(--text-xl));
    color: var(--text-secondary);
    max-width: 640px;
    margin: 0 auto 2.5rem;
    line-height: 1.7;
    animation: fadeInUp 0.8s var(--ease-out) 0.25s both;
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s var(--ease-out) 0.4s both;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ─── Floating chat mockup in hero ────────────────────────────────────────── */
.hero-visual {
    margin-top: 4rem;
    position: relative;
    animation: fadeInUp 1s var(--ease-out) 0.6s both;
}

.chat-mockup {
    max-width: 700px;
    margin: 0 auto;
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.5);
}

.chat-mockup-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    background: rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid var(--border-subtle);
}

.chat-mockup-header .dot-row {
    display: flex;
    gap: 6px;
}

.chat-mockup-header .dot-row span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.chat-mockup-header .dot-row span:nth-child(1) {
    background: #ef4444;
}

.chat-mockup-header .dot-row span:nth-child(2) {
    background: #f59e0b;
}

.chat-mockup-header .dot-row span:nth-child(3) {
    background: #10b981;
}

.chat-mockup-header .chat-title {
    flex: 1;
    text-align: center;
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-secondary);
}

.chat-mockup-body {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.chat-msg {
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
    opacity: 0;
    animation: chatMsgIn 0.5s var(--ease-out) forwards;
}

.chat-msg:nth-child(1) {
    animation-delay: 1s;
}

.chat-msg:nth-child(2) {
    animation-delay: 1.5s;
}

.chat-msg:nth-child(3) {
    animation-delay: 2s;
}

.chat-msg:nth-child(4) {
    animation-delay: 2.5s;
}

@keyframes chatMsgIn {
    from {
        opacity: 0;
        transform: translateX(-10px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.chat-msg .avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-xs);
    font-weight: 700;
    color: #fff;
}

.chat-msg .msg-content {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 0.6rem 0.9rem;
    font-size: var(--text-sm);
    color: var(--text-secondary);
    line-height: 1.5;
    max-width: 85%;
}

.chat-msg .msg-content .msg-name {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.15rem;
    font-size: var(--text-xs);
}

/* Arrow indicator between chat and cards */
.hero-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 1.5rem 0;
    animation: fadeInUp 0.8s var(--ease-out) 3s both;
}

.hero-arrow svg {
    width: 40px;
    height: 40px;
    color: var(--accent-amber);
    animation: bounceDown 2s ease-in-out infinite;
}

@keyframes bounceDown {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(8px);
    }
}

/* Extracted card previews */
.extracted-cards {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s var(--ease-out) 3.2s both;
}

.mini-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: var(--text-sm);
    transition: transform var(--duration-fast) var(--ease-out),
        border-color var(--duration-fast) var(--ease-out);
}

.mini-card:hover {
    transform: translateY(-3px);
    border-color: var(--accent-blue);
}

.mini-card .mini-icon {
    width: 28px;
    height: 28px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-xs);
}

.mini-card .mini-info .mini-name {
    font-weight: 600;
    font-size: var(--text-sm);
    color: var(--text-primary);
}

.mini-card .mini-info .mini-role {
    font-size: var(--text-xs);
    color: var(--text-muted);
}


/* ============================================================================
   SECTION 2: PAIN POINTS
   ============================================================================ */
#pain-points {
    position: relative;
    background: var(--bg-primary);
}

/* Subtle section divider gradient */
#pain-points::before {
    content: '';
    position: absolute;
    top: 0;
    left: 10%;
    right: 10%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-glow), transparent);
}

.pain-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--gap-md);
    margin-bottom: 3rem;
}

.pain-card {
    position: relative;
    padding: 2.5rem 2rem;
    text-align: center;
}

.pain-card .pain-emoji {
    font-size: 2.5rem;
    margin-bottom: 1.25rem;
    display: inline-block;
    animation: float 4s ease-in-out infinite;
}

.pain-card:nth-child(2) .pain-emoji {
    animation-delay: -1.5s;
}

.pain-card:nth-child(3) .pain-emoji {
    animation-delay: -3s;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-8px);
    }
}

.pain-card .pain-text {
    font-size: var(--text-lg);
    color: var(--text-secondary);
    line-height: 1.6;
}

.pain-hook {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.pain-hook p {
    font-size: var(--text-2xl);
    font-weight: 700;
    line-height: 1.4;
}

.pain-hook .hook-highlight {
    color: var(--accent-amber);
}


/* ============================================================================
   SECTION 3: SOLUTION OVERVIEW
   ============================================================================ */
#solution {
    position: relative;
    background: linear-gradient(180deg, var(--bg-primary) 0%, rgba(30, 27, 75, 0.2) 50%, var(--bg-primary) 100%);
}

.pillar-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--gap-md);
}

.pillar-card {
    text-align: center;
    padding: 2.5rem 2rem;
}

.pillar-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 1.5rem;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    transition: transform var(--duration-normal) var(--ease-out);
}

.pillar-card:hover .pillar-icon {
    transform: scale(1.15) rotate(-5deg);
}

.pillar-icon.icon-extract {
    background: rgba(59, 130, 246, 0.15);
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.pillar-icon.icon-organize {
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.pillar-icon.icon-discover {
    background: rgba(245, 158, 11, 0.15);
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.pillar-title {
    font-size: var(--text-xl);
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.pillar-desc {
    font-size: var(--text-base);
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ─── Connection line between pillars (desktop) ──────────────────────────── */
.pillar-connector {
    display: none;
}

@media (min-width: 768px) {
    .pillar-connector {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .pillar-connector .connector-line {
        width: 60px;
        height: 2px;
        background: linear-gradient(90deg, var(--accent-blue), var(--accent-emerald));
        position: relative;
    }

    .pillar-connector .connector-line::after {
        content: '→';
        position: absolute;
        right: -14px;
        top: 50%;
        transform: translateY(-50%);
        color: var(--accent-emerald);
        font-size: var(--text-lg);
    }

    .pillar-grid {
        grid-template-columns: 1fr auto 1fr auto 1fr;
        align-items: start;
    }
}


/* ============================================================================
   SECTION 4: FEATURE DEEP-DIVE
   ============================================================================ */
#features {
    background: var(--bg-primary);
    position: relative;
}

#features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 10%;
    right: 10%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-glow), transparent);
}

.feature-block {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--gap-lg);
    align-items: center;
    margin-bottom: var(--gap-lg);
}

.feature-block:last-child {
    margin-bottom: 0;
}

@media (min-width: 768px) {
    .feature-block {
        grid-template-columns: 1fr 1fr;
    }

    .feature-block.reverse {
        direction: rtl;
    }

    .feature-block.reverse>* {
        direction: ltr;
    }
}

.feature-text .feature-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    font-size: var(--text-sm);
    font-weight: 700;
    margin-bottom: 1rem;
}

.feature-text .feature-number.num-1 {
    background: rgba(59, 130, 246, 0.15);
    color: var(--accent-blue-light);
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.feature-text .feature-number.num-2 {
    background: rgba(16, 185, 129, 0.15);
    color: var(--accent-emerald);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.feature-text .feature-number.num-3 {
    background: rgba(139, 92, 246, 0.15);
    color: var(--accent-purple);
    border: 1px solid rgba(139, 92, 246, 0.3);
}

.feature-text .feature-number.num-4 {
    background: rgba(245, 158, 11, 0.15);
    color: var(--accent-amber);
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.feature-text h3 {
    font-size: clamp(var(--text-2xl), 3vw, var(--text-3xl));
    font-weight: 800;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.feature-text p {
    font-size: var(--text-base);
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 480px;
}

.feature-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-placeholder {
    width: 100%;
    max-width: 480px;
    aspect-ratio: 16 / 11;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--card-radius);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    position: relative;
    overflow: hidden;
}

.feature-placeholder::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-card);
    opacity: 0.5;
}

.feature-placeholder .ph-icon {
    font-size: 2.5rem;
    position: relative;
    z-index: 1;
}

.feature-placeholder .ph-label {
    font-size: var(--text-sm);
    color: var(--text-muted);
    font-weight: 500;
    position: relative;
    z-index: 1;
}


/* ============================================================================
   SECTION 5: HOW IT WORKS
   ============================================================================ */
#how-it-works {
    position: relative;
    background: linear-gradient(180deg, var(--bg-primary) 0%, rgba(30, 27, 75, 0.15) 50%, var(--bg-primary) 100%);
}

.steps-timeline {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--gap-md);
    position: relative;
}

@media (min-width: 768px) {
    .steps-timeline {
        grid-template-columns: repeat(3, 1fr);
    }

    /* connecting line */
    .steps-timeline::before {
        content: '';
        position: absolute;
        top: 52px;
        left: 16.67%;
        right: 16.67%;
        height: 2px;
        background: linear-gradient(90deg, var(--accent-blue), var(--accent-emerald), var(--accent-amber));
        z-index: 0;
    }
}

.step-card {
    text-align: center;
    padding: 2.5rem 2rem;
    position: relative;
    z-index: 1;
}

.step-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 1.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    position: relative;
}

.step-icon::after {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 2px solid transparent;
    transition: border-color var(--duration-normal) var(--ease-out);
}

.step-card:hover .step-icon::after {
    border-color: var(--accent-blue);
}

.step-icon.step-1 {
    background: rgba(59, 130, 246, 0.15);
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.step-icon.step-2 {
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.step-icon.step-3 {
    background: rgba(245, 158, 11, 0.15);
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.step-label {
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.step-title {
    font-size: var(--text-xl);
    font-weight: 700;
    margin-bottom: 0.75rem;
}

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


/* ============================================================================
   SECTION 6: SCREENSHOTS
   ============================================================================ */
#screenshots {
    background: var(--bg-primary);
    position: relative;
}

#screenshots::before {
    content: '';
    position: absolute;
    top: 0;
    left: 10%;
    right: 10%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-glow), transparent);
}

.screenshots-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--gap-md);
}

@media (min-width: 640px) {
    .screenshots-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.screenshot-card {
    position: relative;
    overflow: hidden;
    border-radius: var(--card-radius);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    transition: transform var(--duration-normal) var(--ease-out),
        box-shadow var(--duration-normal) var(--ease-out),
        border-color var(--duration-normal) var(--ease-out);
}

.screenshot-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-glow);
    border-color: var(--border-glow);
}

.screenshot-placeholder {
    aspect-ratio: 16 / 10;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    background: var(--gradient-card);
    position: relative;
}

.screenshot-placeholder .ss-icon {
    font-size: 3rem;
    opacity: 0.5;
}

.screenshot-placeholder .ss-label {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.screenshot-info {
    padding: 1.25rem 1.5rem;
}

.screenshot-info h4 {
    font-size: var(--text-base);
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.screenshot-info p {
    font-size: var(--text-sm);
    color: var(--text-muted);
}


/* ============================================================================
   SECTION 7: SOCIAL PROOF
   ============================================================================ */
#social-proof {
    position: relative;
    background: linear-gradient(180deg, var(--bg-primary) 0%, rgba(30, 27, 75, 0.2) 50%, var(--bg-primary) 100%);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--gap-md);
    margin-bottom: 3rem;
}

.stat-card {
    text-align: center;
    padding: 2.5rem 2rem;
}

.stat-number {
    font-size: clamp(var(--text-4xl), 5vw, var(--text-6xl));
    font-weight: 900;
    letter-spacing: -0.03em;
    line-height: 1;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--accent-blue-light) 0%, var(--accent-emerald) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.community-message {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.community-message p {
    font-size: var(--text-lg);
    color: var(--text-secondary);
    line-height: 1.7;
}

.community-message .cm-highlight {
    color: var(--accent-emerald);
    font-weight: 600;
}


/* ============================================================================
   SECTION 8: LEAD CAPTURE
   ============================================================================ */
#lead-capture {
    background: var(--bg-primary);
    position: relative;
}

#lead-capture::before {
    content: '';
    position: absolute;
    top: 0;
    left: 10%;
    right: 10%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(245, 158, 11, 0.3), transparent);
}

.lead-form-container {
    max-width: 560px;
    margin: 0 auto;
}

.lead-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.form-group label {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-secondary);
}

.form-group label .required {
    color: var(--accent-amber);
    margin-left: 2px;
}

.form-group label .optional {
    color: var(--text-muted);
    font-weight: 400;
    font-size: var(--text-xs);
}

.form-input {
    padding: 0.85rem 1.1rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    color: var(--text-primary);
    font-family: var(--font-family);
    font-size: var(--text-base);
    outline: none;
    transition: border-color var(--duration-fast) var(--ease-out),
        box-shadow var(--duration-fast) var(--ease-out);
}

.form-input::placeholder {
    color: var(--text-muted);
}

.form-input:focus {
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.form-input.error {
    border-color: #ef4444;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

.form-error {
    font-size: var(--text-xs);
    color: #ef4444;
    min-height: 1rem;
    display: none;
}

.form-error.visible {
    display: block;
    animation: fadeInUp 0.3s var(--ease-out) forwards;
}

.lead-form .btn-cta {
    width: 100%;
    justify-content: center;
    margin-top: 0.5rem;
    padding: 1.1rem 2rem;
    font-size: var(--text-lg);
}

/* Thank you state */
.thank-you {
    display: none;
    text-align: center;
    padding: 3rem 2rem;
}

.thank-you.visible {
    display: block;
    animation: fadeInUp 0.6s var(--ease-out) forwards;
}

.thank-you .ty-emoji {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.thank-you h3 {
    font-size: var(--text-2xl);
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.thank-you p {
    font-size: var(--text-base);
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}


/* ============================================================================
   SECTION 9: FOOTER
   ============================================================================ */
#footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-subtle);
    padding: 3rem 0;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    text-align: center;
}

.footer-logo {
    font-size: var(--text-xl);
    font-weight: 800;
    letter-spacing: -0.02em;
}

.footer-logo .logo-vault {
    color: var(--accent-amber);
}

.footer-tagline {
    font-size: var(--text-sm);
    color: var(--text-muted);
    max-width: 360px;
}

.footer-links {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
    justify-content: center;
}

.footer-links a {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    transition: color var(--duration-fast) var(--ease-out);
}

.footer-links a:hover {
    color: var(--text-primary);
}

.footer-copy {
    font-size: var(--text-xs);
    color: var(--text-muted);
}


/* ============================================================================
   NAVIGATION (Sticky)
   ============================================================================ */
.site-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 0;
    transition: background var(--duration-normal) var(--ease-out),
        backdrop-filter var(--duration-normal) var(--ease-out),
        box-shadow var(--duration-normal) var(--ease-out);
}

.site-nav.scrolled {
    background: rgba(10, 15, 30, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 1px 0 var(--border-subtle);
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-size: var(--text-lg);
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    text-decoration: none;
}

.nav-logo .logo-vault {
    color: var(--accent-amber);
}

.nav-links {
    display: none;
    gap: 2rem;
    list-style: none;
}

.nav-links li a {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-secondary);
    transition: color var(--duration-fast) var(--ease-out);
}

.nav-links li a:hover {
    color: var(--text-primary);
}

.nav-cta {
    display: none;
}

@media (min-width: 768px) {
    .nav-links {
        display: flex;
    }

    .nav-cta {
        display: inline-flex;
    }
}

/* Mobile menu button */
.nav-mobile-btn {
    display: flex;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-mobile-btn span {
    width: 22px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: transform var(--duration-fast) var(--ease-out),
        opacity var(--duration-fast) var(--ease-out);
}

.nav-mobile-btn.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-mobile-btn.active span:nth-child(2) {
    opacity: 0;
}

.nav-mobile-btn.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

@media (min-width: 768px) {
    .nav-mobile-btn {
        display: none;
    }
}

/* Mobile nav dropdown */
.mobile-nav {
    display: none;
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background: rgba(10, 15, 30, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-subtle);
    padding: 1.5rem var(--container-padding);
    z-index: 999;
}

.mobile-nav.open {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    animation: fadeInDown 0.3s var(--ease-out) forwards;
}

.mobile-nav a {
    font-size: var(--text-base);
    color: var(--text-secondary);
    padding: 0.5rem 0;
    transition: color var(--duration-fast) var(--ease-out);
}

.mobile-nav a:hover {
    color: var(--text-primary);
}


/* ============================================================================
   RESPONSIVE OVERRIDES
   ============================================================================ */
@media (max-width: 767px) {
    .hero-title {
        font-size: clamp(2rem, 8vw, 3rem);
    }

    .hero-visual {
        margin-top: 2.5rem;
    }

    .chat-mockup {
        margin: 0 -0.5rem;
    }

    .extracted-cards {
        flex-direction: column;
        align-items: center;
    }

    .pain-grid {
        grid-template-columns: 1fr;
    }

    .pillar-grid {
        grid-template-columns: 1fr;
    }

    .feature-block {
        gap: var(--gap-md);
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .section-title {
        font-size: clamp(var(--text-2xl), 6vw, var(--text-4xl));
    }
}

@media (min-width: 768px) and (max-width: 1023px) {
    .stats-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ─── Accessibility ───────────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .reveal {
        opacity: 1;
        transform: none;
    }
}

/* Focus visible */
:focus-visible {
    outline: 2px solid var(--accent-blue);
    outline-offset: 2px;
}