/* ============================================
   Agenthoods Landing Page
   Vodafone-inspired design system
   ============================================ */

/* --- Design Tokens --- */
:root {
    /* Colors - Vodafone-inspired with dark tech theme */
    --color-primary: #E60000;
    --color-primary-dark: #B30000;
    --color-primary-light: #FF1A1A;
    --color-background: #0A0A0A;
    --color-background-alt: #111111;
    --color-surface: #1A1A1A;
    --color-surface-elevated: #222222;
    --color-foreground: #FFFFFF;
    --color-foreground-muted: #A0A0A0;
    --color-border: #2A2A2A;
    --color-border-light: #333333;
    --color-accent-green: #22C55E;
    --color-accent-blue: #3B82F6;

    /* Typography */
    --font-heading: 'Inter', system-ui, -apple-system, sans-serif;
    --font-body: 'Inter', system-ui, -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;
    --space-3xl: 64px;
    --space-4xl: 96px;
    --space-5xl: 128px;

    /* Layout */
    --max-width: 1200px;
    --nav-height: 72px;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
}

/* --- Reset --- */
*, *::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-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-foreground);
    background-color: var(--color-background);
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
}

ul, ol {
    list-style: none;
}

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

/* --- Navigation --- */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--nav-height);
    background: rgba(10, 10, 10, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    transition: background var(--transition-base);
}

.nav__container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-lg);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav__logo {
    display: flex;
    align-items: baseline;
    gap: var(--space-sm);
}

.nav__logo-mark {
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 1.75rem;
    color: var(--color-foreground);
    letter-spacing: -0.02em;
}

.nav__logo-text {
    font-weight: 400;
    font-size: 0.875rem;
    color: var(--color-foreground-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.nav__links {
    display: flex;
    gap: var(--space-xl);
}

.nav__link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-foreground-muted);
    transition: color var(--transition-fast);
    position: relative;
}

.nav__link:hover {
    color: var(--color-foreground);
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width var(--transition-base);
}

.nav__link:hover::after {
    width: 100%;
}

.nav__actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.nav__btn {
    font-size: 0.875rem;
    font-weight: 600;
    padding: 10px 20px;
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.nav__btn--secondary {
    color: var(--color-foreground-muted);
}

.nav__btn--secondary:hover {
    color: var(--color-foreground);
}

.nav__btn--primary {
    background: var(--color-primary);
    color: var(--color-foreground);
}

.nav__btn--primary:hover {
    background: var(--color-primary-light);
    transform: translateY(-1px);
}

.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav__toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-foreground);
    transition: all var(--transition-fast);
}

/* --- Hero Section --- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: flex-end;
    padding-top: var(--nav-height);
    overflow: hidden;
}

.hero__video-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero__video-bg video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero__video-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to right,
        rgba(0, 0, 0, 0.75) 0%,
        rgba(0, 0, 0, 0.5) 40%,
        rgba(0, 0, 0, 0.2) 100%
    );
}

.hero__container {
    position: relative;
    z-index: 1;
    max-width: var(--max-width);
    width: 100%;
    margin: 0 auto;
    padding: var(--space-5xl) var(--space-lg) var(--space-4xl);
    text-align: left;
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 8px 20px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-2xl);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hero__badge-dot {
    width: 8px;
    height: 8px;
    background: var(--color-accent-green);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

.hero__title {
    font-family: var(--font-heading);
    font-size: clamp(3.5rem, 9vw, 7rem);
    font-weight: 200;
    line-height: 1.0;
    letter-spacing: -0.02em;
    text-transform: uppercase;
    margin-bottom: var(--space-2xl);
    color: var(--color-foreground);
}

.hero__title strong {
    font-weight: 900;
    display: block;
}

.hero__subtitle-wrap {
    border-left: 3px solid var(--color-primary);
    padding-left: var(--space-lg);
    margin-bottom: var(--space-2xl);
    max-width: 580px;
}

.hero__subtitle {
    font-size: clamp(1rem, 1.8vw, 1.2rem);
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.7;
}

.hero__ctas {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.hero__ctas .btn--primary {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
}

.hero__video-controls {
    position: absolute;
    bottom: var(--space-xl);
    right: var(--space-xl);
    z-index: 2;
}

.hero__pause-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    color: white;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.hero__pause-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}


/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-weight: 700;
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
    cursor: pointer;
    border: 2px solid transparent;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.btn--primary {
    background: var(--color-primary);
    color: var(--color-foreground);
    border-color: var(--color-primary);
}

.btn--primary:hover {
    background: var(--color-primary-light);
    border-color: var(--color-primary-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(230, 0, 0, 0.3);
}

.btn--outline {
    background: transparent;
    color: var(--color-foreground);
    border-color: var(--color-border-light);
}

.btn--outline:hover {
    border-color: var(--color-foreground);
    transform: translateY(-2px);
}

.btn--lg {
    padding: 16px 36px;
    font-size: 0.9rem;
}

.btn--xl {
    padding: 20px 48px;
    font-size: 1rem;
}

.btn--full {
    width: 100%;
    padding: 14px 24px;
    font-size: 0.875rem;
}

/* --- Metrics Section --- */
.metrics {
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    background: var(--color-background-alt);
}

.metrics__container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--space-3xl) var(--space-lg);
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
    text-align: center;
}

.metrics__item {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.metrics__number {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 900;
    color: var(--color-foreground);
    letter-spacing: -0.02em;
}

.metrics__label {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--color-foreground-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* --- Section Common --- */
.section__container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--space-5xl) var(--space-lg);
}

.section__header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section__title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: -0.01em;
    margin-bottom: var(--space-md);
}

.section__title em {
    font-style: italic;
    color: var(--color-primary);
}

.section__subtitle {
    font-size: 1.1rem;
    color: var(--color-foreground-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* --- How It Works / Protocol --- */
.how-it-works {
    background: var(--color-background);
}

.protocol__flow {
    display: grid;
    gap: 2px;
    background: var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.protocol__step {
    display: grid;
    grid-template-columns: 80px 1fr;
    align-items: center;
    background: var(--color-surface);
    padding: var(--space-xl) var(--space-2xl);
    transition: background var(--transition-fast);
}

.protocol__step:hover {
    background: var(--color-surface-elevated);
}

.protocol__step-num {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-primary);
    letter-spacing: 0.05em;
}

.protocol__step-content h3 {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-xs);
}

.protocol__step-content p {
    font-size: 0.9rem;
    color: var(--color-foreground-muted);
    line-height: 1.6;
}

/* --- Industries Section --- */
.industries {
    background: var(--color-background-alt);
}

.industries__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
}

.industry-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    transition: all var(--transition-base);
}

.industry-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-4px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4);
}

.industry-card__icon {
    color: var(--color-primary);
    margin-bottom: var(--space-lg);
}

.industry-card__title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 800;
    margin-bottom: var(--space-sm);
}

.industry-card__desc {
    font-size: 0.9rem;
    color: var(--color-foreground-muted);
    line-height: 1.6;
    margin-bottom: var(--space-lg);
}

.industry-card__features {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.industry-card__features li {
    font-size: 0.85rem;
    color: var(--color-foreground-muted);
    padding-left: var(--space-lg);
    position: relative;
}

.industry-card__features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    background: var(--color-primary);
    border-radius: 50%;
}


/* --- Technology Section --- */
.technology {
    background: var(--color-background);
}

.tech__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.tech-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    transition: all var(--transition-base);
}

.tech-card:hover {
    border-color: var(--color-border-light);
    transform: translateY(-2px);
}

.tech-card__header {
    margin-bottom: var(--space-md);
}

.tech-card__tag {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-primary);
    background: rgba(230, 0, 0, 0.1);
    padding: 4px 10px;
    border-radius: var(--radius-full);
}

.tech-card__title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.tech-card__desc {
    font-size: 0.875rem;
    color: var(--color-foreground-muted);
    line-height: 1.6;
    margin-bottom: var(--space-lg);
}

.tech-card__code {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-accent-green);
    background: var(--color-background);
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    overflow-x: auto;
}

/* --- Cutting Edge Section --- */
.cutting-edge {
    position: relative;
    background: var(--color-primary);
    overflow: hidden;
    padding: var(--space-5xl) 0;
}

.cutting-edge__video-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.cutting-edge__video-bg video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.25;
    mix-blend-mode: luminosity;
}

.cutting-edge__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(230, 0, 0, 0.92) 0%,
        rgba(179, 0, 0, 0.88) 40%,
        rgba(100, 0, 0, 0.95) 100%
    );
}

/* Floating particles */
.cutting-edge__particles {
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(255, 255, 255, 0.4);
    border-radius: 50%;
    animation: float-particle 8s infinite ease-in-out;
}

.particle--1 { top: 15%; left: 10%; animation-delay: 0s; animation-duration: 7s; }
.particle--2 { top: 30%; left: 80%; animation-delay: 1.5s; animation-duration: 9s; }
.particle--3 { top: 60%; left: 20%; animation-delay: 3s; animation-duration: 6s; }
.particle--4 { top: 75%; left: 70%; animation-delay: 0.5s; animation-duration: 8s; }
.particle--5 { top: 45%; left: 50%; animation-delay: 2s; animation-duration: 10s; width: 3px; height: 3px; }
.particle--6 { top: 85%; left: 40%; animation-delay: 4s; animation-duration: 7.5s; width: 5px; height: 5px; }

@keyframes float-particle {
    0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.4; }
    25% { transform: translate(30px, -40px) scale(1.5); opacity: 0.8; }
    50% { transform: translate(-20px, -60px) scale(1); opacity: 0.3; }
    75% { transform: translate(15px, -20px) scale(1.8); opacity: 0.6; }
}

/* Pulsing rings */
.cutting-edge__rings {
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ring {
    position: absolute;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    animation: pulse-ring 6s infinite ease-out;
}

.ring--1 { width: 300px; height: 300px; animation-delay: 0s; }
.ring--2 { width: 500px; height: 500px; animation-delay: 2s; }
.ring--3 { width: 700px; height: 700px; animation-delay: 4s; }

@keyframes pulse-ring {
    0% { transform: scale(0.8); opacity: 0.6; }
    50% { transform: scale(1.2); opacity: 0; }
    100% { transform: scale(0.8); opacity: 0; }
}

/* Container */
.cutting-edge__container {
    position: relative;
    z-index: 2;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--space-3xl) var(--space-lg);
    text-align: center;
}

/* Badge */
.cutting-edge__badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 8px 24px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    font-size: 0.7rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.9);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: var(--space-2xl);
    animation: badge-glow 3s infinite ease-in-out;
}

.cutting-edge__badge-pulse {
    width: 6px;
    height: 6px;
    background: white;
    border-radius: 50%;
    animation: pulse 1.5s infinite;
}

@keyframes badge-glow {
    0%, 100% { box-shadow: 0 0 20px rgba(255, 255, 255, 0.05); }
    50% { box-shadow: 0 0 40px rgba(255, 255, 255, 0.15); }
}

/* Title with stagger animation */
.cutting-edge__title {
    margin-bottom: var(--space-3xl);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.cutting-edge__title-line {
    display: block;
    font-family: var(--font-heading);
    text-transform: uppercase;
    color: white;
    line-height: 1.05;
    animation: title-reveal 0.8s ease forwards;
    opacity: 0;
    transform: translateY(30px);
}

.cutting-edge__title-line--thin {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: 200;
    letter-spacing: 0.1em;
}

.cutting-edge__title-line--bold {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 900;
    letter-spacing: -0.02em;
    text-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.cutting-edge__title-line:nth-child(1) { animation-delay: 0.1s; }
.cutting-edge__title-line:nth-child(2) { animation-delay: 0.3s; }
.cutting-edge__title-line:nth-child(3) { animation-delay: 0.5s; }
.cutting-edge__title-line:nth-child(4) { animation-delay: 0.7s; }

@keyframes title-reveal {
    to { opacity: 1; transform: translateY(0); }
}

/* Stats ribbon */
.cutting-edge__stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
    margin-bottom: var(--space-3xl);
    padding: var(--space-2xl);
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
}

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

.cutting-edge__stat-value {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 900;
    color: white;
    margin-bottom: var(--space-xs);
}

.cutting-edge__stat-number {
    display: inline;
}

.cutting-edge__stat-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--space-md);
}

.cutting-edge__stat-bar {
    height: 3px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 2px;
    margin-top: var(--space-sm);
    overflow: hidden;
}

.cutting-edge__stat-bar-fill {
    height: 100%;
    width: 0;
    background: white;
    border-radius: 2px;
    animation: bar-fill 2s ease forwards;
    animation-delay: 1s;
}

@keyframes bar-fill {
    to { width: var(--fill-width); }
}

/* Feature pillars */
.cutting-edge__pillars {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
    margin-bottom: var(--space-3xl);
}

.cutting-edge__pillar {
    text-align: center;
    padding: var(--space-xl);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.cutting-edge__pillar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.6), transparent);
    transform: translateX(-100%);
    animation: shimmer 4s infinite ease-in-out;
}

.cutting-edge__pillar:nth-child(1)::before { animation-delay: 0s; }
.cutting-edge__pillar:nth-child(2)::before { animation-delay: 1s; }
.cutting-edge__pillar:nth-child(3)::before { animation-delay: 2s; }
.cutting-edge__pillar:nth-child(4)::before { animation-delay: 3s; }

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    50% { transform: translateX(100%); }
    100% { transform: translateX(100%); }
}

.cutting-edge__pillar:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.25);
    transform: translateY(-4px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3);
}

.cutting-edge__pillar-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    margin: 0 auto var(--space-lg);
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: white;
}

.cutting-edge__pillar-title {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 800;
    color: white;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    margin-bottom: var(--space-sm);
    line-height: 1.3;
}

.cutting-edge__pillar-desc {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

/* Bottom statement */
.cutting-edge__statement {
    padding-top: var(--space-2xl);
    border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.cutting-edge__statement-text {
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    color: rgba(255, 255, 255, 0.85);
    max-width: 700px;
    margin: 0 auto var(--space-2xl);
    line-height: 1.7;
}

.cutting-edge__statement-text strong {
    color: white;
    font-weight: 700;
}

/* White button variant */
.btn--white {
    background: white;
    color: var(--color-primary);
    border-color: white;
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
}

.btn--white:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(255, 255, 255, 0.2);
}

/* --- CTA Section --- */
.cta {
    background: var(--color-background);
    border-top: 1px solid var(--color-border);
}

.cta__container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--space-5xl) var(--space-lg);
    text-align: center;
}

.cta__title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 900;
    text-transform: uppercase;
    margin-bottom: var(--space-lg);
}

.cta__title em {
    font-style: italic;
    color: var(--color-primary);
}

.cta__subtitle {
    font-size: 1.1rem;
    color: var(--color-foreground-muted);
    margin-bottom: var(--space-2xl);
}

.cta__actions {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    flex-wrap: wrap;
    margin-bottom: var(--space-3xl);
}

.cta__trust {
    color: var(--color-foreground-muted);
    font-size: 0.85rem;
}

.cta__trust span {
    display: block;
    margin-bottom: var(--space-md);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.7rem;
}

.cta__logos {
    display: flex;
    justify-content: center;
    gap: var(--space-2xl);
    flex-wrap: wrap;
}

.cta__logo-placeholder {
    font-weight: 700;
    font-size: 0.9rem;
    opacity: 0.4;
    letter-spacing: 0.02em;
}

/* --- Footer --- */
.footer {
    background: var(--color-background-alt);
    border-top: 1px solid var(--color-border);
}

.footer__container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--space-3xl) var(--space-lg);
}

.footer__top {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--space-3xl);
    padding-bottom: var(--space-2xl);
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--space-xl);
}

.footer__tagline {
    font-size: 0.875rem;
    color: var(--color-foreground-muted);
    margin-top: var(--space-md);
    max-width: 300px;
}

.footer__links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.footer__col h4 {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: var(--space-md);
}

.footer__col a {
    display: block;
    font-size: 0.875rem;
    color: var(--color-foreground-muted);
    margin-bottom: var(--space-sm);
    transition: color var(--transition-fast);
}

.footer__col a:hover {
    color: var(--color-foreground);
}

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

.footer__bottom p {
    font-size: 0.8rem;
    color: var(--color-foreground-muted);
}

.footer__legal {
    display: flex;
    gap: var(--space-xl);
}

.footer__legal a {
    font-size: 0.8rem;
    color: var(--color-foreground-muted);
    transition: color var(--transition-fast);
}

.footer__legal a:hover {
    color: var(--color-foreground);
}

/* --- AI Facts Section --- */
.ai-facts {
    padding: var(--space-4xl) 0;
    background: var(--color-background);
    border-top: 1px solid var(--color-border);
    position: relative;
}

.ai-facts::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    width: 600px;
    height: 1px;
    transform: translateX(-50%);
    background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
    opacity: 0.4;
}

.ai-facts__container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.ai-facts__header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.ai-facts__title {
    font-family: var(--font-heading);
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: -0.01em;
    margin-bottom: var(--space-sm);
}

.ai-facts__title em {
    font-style: italic;
    color: var(--color-primary);
}

.ai-facts__subtitle {
    font-size: 0.95rem;
    color: var(--color-foreground-muted);
}

.ai-facts__grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1fr 1.4fr;
    gap: 2px;
    background: var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.ai-facts__card {
    background: var(--color-background-alt);
    padding: var(--space-xl) var(--space-lg);
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    transition: background var(--transition-base);
}

.ai-facts__card:hover {
    background: var(--color-surface);
}

.ai-facts__card-value {
    font-family: var(--font-heading);
    font-size: clamp(1.5rem, 2.5vw, 2.25rem);
    font-weight: 900;
    letter-spacing: -0.03em;
    color: var(--color-foreground);
    line-height: 1;
}

.ai-facts__card--hero .ai-facts__card-value,
.ai-facts__card--cta .ai-facts__card-value {
    color: var(--color-primary);
}

.ai-facts__card-label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-foreground-muted);
    line-height: 1.4;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.ai-facts__card-bar {
    margin-top: var(--space-sm);
    height: 3px;
    background: var(--color-border-light);
    border-radius: 2px;
    overflow: hidden;
}

.ai-facts__card-bar-fill {
    height: 100%;
    width: var(--fill);
    background: var(--color-primary);
    border-radius: 2px;
}

.ai-facts__card-hook {
    font-size: 0.8rem;
    color: var(--color-foreground-muted);
    margin-top: var(--space-xs);
    line-height: 1.4;
}

.ai-facts__card-hook strong {
    color: var(--color-foreground);
}

@media (max-width: 1024px) {
    .ai-facts__grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .ai-facts__card--hero,
    .ai-facts__card--cta {
        grid-column: auto;
    }
}

@media (max-width: 640px) {
    .ai-facts {
        padding: var(--space-3xl) 0;
    }
    .ai-facts__grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .ai-facts__card--cta {
        grid-column: span 2;
    }
}

@media (max-width: 400px) {
    .ai-facts__grid {
        grid-template-columns: 1fr;
    }
    .ai-facts__card--cta {
        grid-column: span 1;
    }
}

/* --- Animations --- */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .tech__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .cutting-edge__pillars {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav__links {
        display: none;
        position: absolute;
        top: var(--nav-height);
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--color-background);
        border-bottom: 1px solid var(--color-border);
        padding: var(--space-lg);
        gap: var(--space-md);
    }

    .nav__links.active {
        display: flex;
    }

    .nav__actions {
        display: none;
    }

    .nav__toggle {
        display: flex;
    }

    .metrics__container {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-2xl);
    }

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

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

    .cutting-edge__pillars {
        grid-template-columns: 1fr;
    }

    .cutting-edge__stats {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }

    .cutting-edge__title-line--bold {
        font-size: clamp(2.5rem, 10vw, 4rem);
    }

    .protocol__step {
        grid-template-columns: 50px 1fr;
        padding: var(--space-lg);
    }

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

    .footer__links {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer__bottom {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }

    .hero__proof {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-md);
    }

    .hero__title {
        font-size: clamp(2.5rem, 10vw, 4rem);
    }

    .hero__video-overlay {
        background: linear-gradient(
            to top,
            rgba(0, 0, 0, 0.85) 0%,
            rgba(0, 0, 0, 0.5) 50%,
            rgba(0, 0, 0, 0.3) 100%
        );
    }
}

@media (max-width: 480px) {
    .metrics__container {
        grid-template-columns: 1fr;
    }

    .hero__title {
        font-size: 2.5rem;
    }

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

    .cta__logos {
        flex-direction: column;
        gap: var(--space-md);
    }
}

/* --- Accessibility --- */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }
}

:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Skip to content */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-primary);
    color: white;
    padding: 8px;
    z-index: 9999;
}

.skip-link:focus {
    top: 0;
}