/* ============================================
   KOKOIMA - Venture Builder
   Design System: "Precision Tech Noir"
   ============================================ */

/* === CSS VARIABLES === */
:root {
    /* Colors - Dark sophisticated palette */
    --bg-primary: #0a0a0b;
    --bg-secondary: #111113;
    --bg-tertiary: #18181b;
    --bg-card: #1a1a1e;
    --bg-card-hover: #222226;

    /* Text colors */
    --text-primary: #fafafa;
    --text-secondary: #a1a1aa;
    --text-tertiary: #71717a;
    --text-muted: #52525b;

    /* Accent - Electric cyan with warmth */
    --accent: #00d4aa;
    --accent-light: #33ddbb;
    --accent-dark: #00a080;
    --accent-glow: rgba(0, 212, 170, 0.15);
    --accent-glow-strong: rgba(0, 212, 170, 0.3);

    /* Secondary accent - Warm gold for highlights */
    --accent-warm: #f59e0b;
    --accent-warm-light: #fbbf24;

    /* Gradients */
    --gradient-accent: linear-gradient(135deg, var(--accent) 0%, #0891b2 100%);
    --gradient-dark: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    --gradient-card: linear-gradient(145deg, var(--bg-card) 0%, var(--bg-tertiary) 100%);

    /* Borders */
    --border-subtle: rgba(255, 255, 255, 0.06);
    --border-light: rgba(255, 255, 255, 0.1);
    --border-accent: rgba(0, 212, 170, 0.3);

    /* Typography */
    --font-display: 'Syne', sans-serif;
    --font-serif: 'Instrument Serif', Georgia, serif;
    --font-mono: 'JetBrains Mono', monospace;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    --space-5xl: 8rem;

    /* Container */
    --container-max: 1280px;
    --container-padding: 1.5rem;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

    /* Border radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -4px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 8px 10px -6px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 40px var(--accent-glow);
    --shadow-glow-strong: 0 0 60px var(--accent-glow-strong);
}

/* === RESET & BASE === */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: var(--font-display);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
}

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

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

/* === CURSOR GLOW === */
.cursor-glow {
    position: fixed;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
    opacity: 0;
    transform: translate(-50%, -50%);
    transition: opacity 0.3s ease;
}

body:hover .cursor-glow {
    opacity: 1;
}

/* === CONTAINER === */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* === NAVIGATION === */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: var(--space-lg) 0;
    background: linear-gradient(180deg, var(--bg-primary) 0%, transparent 100%);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.logo-icon {
    width: 32px;
    height: 32px;
    color: var(--text-primary);
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 0.05em;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--accent);
    transition: width var(--transition-base);
}

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

.nav-link:hover::after {
    width: 100%;
}

.nav-cta {
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--bg-primary);
    background: var(--accent);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.nav-cta:hover {
    background: var(--accent-light);
    transform: translateY(-1px);
}

.nav-menu-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    padding: var(--space-sm);
}

.nav-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition-fast);
}

/* Mobile menu */
.mobile-menu {
    position: fixed;
    inset: 0;
    z-index: 99;
    background: var(--bg-primary);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.mobile-menu.active {
    opacity: 1;
    visibility: visible;
}

.mobile-menu-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    gap: var(--space-xl);
}

.mobile-link {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.mobile-link:hover,
.mobile-link.accent {
    color: var(--accent);
}

/* === HERO SECTION === */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: var(--space-5xl) 0 var(--space-3xl);
    overflow: hidden;
}

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

.grid-overlay {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--border-subtle) 1px, transparent 1px),
        linear-gradient(90deg, var(--border-subtle) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 20%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 20%, transparent 70%);
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
}

.orb-1 {
    top: 10%;
    right: 10%;
    width: 500px;
    height: 500px;
    background: var(--accent);
}

.orb-2 {
    bottom: 20%;
    left: 5%;
    width: 400px;
    height: 400px;
    background: #6366f1;
}

/* === BLUEPRINT ASSEMBLY ANIMATION === */
.blueprint-assembly {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.assembly-block {
    position: absolute;
    border: 1px solid var(--accent);
    opacity: 0;
    animation: blockAssemble 12s ease-in-out infinite;
}

.block-1 {
    width: 60px;
    height: 60px;
    top: 15%;
    right: 20%;
    animation-delay: 0s;
}

.block-2 {
    width: 40px;
    height: 40px;
    top: 25%;
    right: 15%;
    animation-delay: 1.5s;
}

.block-3 {
    width: 80px;
    height: 80px;
    top: 20%;
    right: 25%;
    border-color: rgba(99, 102, 241, 0.5);
    animation-delay: 3s;
}

.block-4 {
    width: 30px;
    height: 30px;
    top: 35%;
    right: 18%;
    animation-delay: 4.5s;
}

.block-5 {
    width: 50px;
    height: 50px;
    bottom: 30%;
    left: 15%;
    animation-delay: 2s;
}

.block-6 {
    width: 70px;
    height: 70px;
    bottom: 25%;
    left: 10%;
    border-color: rgba(99, 102, 241, 0.5);
    animation-delay: 5s;
}

.block-7 {
    width: 35px;
    height: 35px;
    bottom: 40%;
    left: 20%;
    animation-delay: 7s;
}

.block-8 {
    width: 45px;
    height: 45px;
    top: 45%;
    right: 30%;
    animation-delay: 8.5s;
}

@keyframes blockAssemble {
    0% {
        opacity: 0;
        transform: scale(0.5) rotate(-10deg);
    }
    10% {
        opacity: 0.4;
        transform: scale(1) rotate(0deg);
    }
    30% {
        opacity: 0.4;
        transform: scale(1) rotate(0deg) translate(0, 0);
    }
    50% {
        opacity: 0.2;
        transform: scale(1.05) rotate(2deg) translate(10px, -10px);
    }
    70% {
        opacity: 0.4;
        transform: scale(1) rotate(0deg) translate(0, 0);
    }
    90% {
        opacity: 0.4;
        transform: scale(1) rotate(0deg);
    }
    100% {
        opacity: 0;
        transform: scale(0.5) rotate(10deg);
    }
}

/* === FLOATING DATA PARTICLES === */
.data-particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.particle {
    position: absolute;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--accent);
    opacity: 0;
    animation: particleFloat 20s ease-in-out infinite;
}

.p1 { top: 20%; left: 10%; animation-delay: 0s; }
.p2 { top: 30%; right: 12%; animation-delay: 2.5s; color: var(--text-tertiary); }
.p3 { top: 60%; left: 8%; animation-delay: 5s; }
.p4 { top: 70%; right: 20%; animation-delay: 7.5s; color: var(--text-tertiary); }
.p5 { top: 15%; right: 35%; animation-delay: 10s; }
.p6 { bottom: 20%; left: 25%; animation-delay: 12.5s; color: rgba(99, 102, 241, 0.6); }
.p7 { bottom: 35%; right: 8%; animation-delay: 15s; color: var(--text-tertiary); }
.p8 { top: 50%; left: 5%; animation-delay: 17.5s; color: rgba(99, 102, 241, 0.6); }

@keyframes particleFloat {
    0% {
        opacity: 0;
        transform: translateY(20px) scale(0.8);
    }
    5% {
        opacity: 0.6;
        transform: translateY(0) scale(1);
    }
    45% {
        opacity: 0.6;
        transform: translateY(-30px) scale(1);
    }
    50% {
        opacity: 0;
        transform: translateY(-50px) scale(0.8);
    }
    100% {
        opacity: 0;
        transform: translateY(-50px) scale(0.8);
    }
}

/* === SCAN LINE EFFECT === */
.scan-line {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg,
        transparent 0%,
        var(--accent) 20%,
        var(--accent-light) 50%,
        var(--accent) 80%,
        transparent 100%
    );
    opacity: 0.3;
    animation: scanMove 8s ease-in-out infinite;
    pointer-events: none;
}

.scan-line::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: linear-gradient(180deg, var(--accent-glow) 0%, transparent 100%);
}

@keyframes scanMove {
    0% {
        top: -2px;
        opacity: 0;
    }
    5% {
        opacity: 0.3;
    }
    95% {
        opacity: 0.3;
    }
    100% {
        top: 100%;
        opacity: 0;
    }
}

/* === CONNECTION LINES === */
.connection-lines {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.conn-line {
    stroke: var(--accent);
    stroke-width: 0.1;
    stroke-dasharray: 100;
    stroke-dashoffset: 100;
    opacity: 0.3;
    animation: lineConnect 10s ease-in-out infinite;
}

.line-1 { animation-delay: 0s; }
.line-2 { animation-delay: 2.5s; stroke: #6366f1; }
.line-3 { animation-delay: 5s; }
.line-4 { animation-delay: 7.5s; stroke: #6366f1; }

@keyframes lineConnect {
    0% {
        stroke-dashoffset: 100;
        opacity: 0;
    }
    20% {
        stroke-dashoffset: 0;
        opacity: 0.3;
    }
    80% {
        stroke-dashoffset: 0;
        opacity: 0.3;
    }
    100% {
        stroke-dashoffset: -100;
        opacity: 0;
    }
}

/* === ENHANCED ORB ANIMATIONS === */
.gradient-orb {
    animation: orbFloat 20s ease-in-out infinite;
}

.orb-1 {
    animation-delay: 0s;
}

.orb-2 {
    animation-delay: -10s;
}

@keyframes orbFloat {
    0%, 100% {
        transform: translate(0, 0) scale(1);
        opacity: 0.4;
    }
    25% {
        transform: translate(-20px, 30px) scale(1.05);
        opacity: 0.5;
    }
    50% {
        transform: translate(30px, -20px) scale(0.95);
        opacity: 0.35;
    }
    75% {
        transform: translate(-10px, -30px) scale(1.02);
        opacity: 0.45;
    }
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 0.5rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 100px;
    margin-bottom: var(--space-xl);
    animation: fadeInUp 0.8s ease-out;
}

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

.badge-text {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    font-family: var(--font-mono);
}

.hero-title {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--space-xl);
}

.title-line {
    display: block;
    animation: fadeInUp 0.8s ease-out backwards;
}

.title-line:nth-child(1) { animation-delay: 0.1s; }
.title-line:nth-child(2) { animation-delay: 0.2s; }
.title-line:nth-child(3) { animation-delay: 0.3s; }
.title-line:nth-child(4) { animation-delay: 0.4s; }

.title-line em {
    font-family: var(--font-serif);
    font-style: italic;
    font-weight: 400;
    color: var(--text-secondary);
}

.title-line.highlight {
    color: var(--accent);
    position: relative;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 540px;
    margin-bottom: var(--space-2xl);
    animation: fadeInUp 0.8s ease-out 0.5s backwards;
}

.hero-ctas {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-bottom: var(--space-4xl);
    animation: fadeInUp 0.8s ease-out 0.6s backwards;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 1rem 1.75rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.btn svg {
    width: 18px;
    height: 18px;
}

.btn-primary {
    background: var(--accent);
    color: var(--bg-primary);
}

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

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-light);
}

.btn-secondary:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-accent);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-light);
    padding: 0.75rem 1.5rem;
}

.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.btn-full {
    width: 100%;
}

/* Hero stats */
.hero-stats {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
    animation: fadeInUp 0.8s ease-out 0.7s backwards;
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-primary);
    font-family: var(--font-display);
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    line-height: 1.4;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border-light);
}

/* Hero scroll indicator */
.hero-scroll {
    position: absolute;
    bottom: var(--space-2xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    color: var(--text-tertiary);
    font-size: 0.75rem;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    animation: fadeIn 1s ease-out 1s backwards;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--text-tertiary), transparent);
    animation: scrollLine 1.5s ease-in-out infinite;
}

/* === MARQUEE === */
.marquee-section {
    padding: var(--space-lg) 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
    overflow: hidden;
}

.marquee {
    display: flex;
    overflow: hidden;
}

.marquee-content {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
    animation: marquee 30s linear infinite;
    white-space: nowrap;
}

.marquee-content span {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.marquee-dot {
    color: var(--accent) !important;
    font-size: 0.5rem !important;
}

/* === SECTION STYLES === */
section {
    padding: var(--space-5xl) 0;
}

.section-header {
    margin-bottom: var(--space-3xl);
}

.section-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-family: var(--font-mono);
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: var(--space-md);
}

.section-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    line-height: 1.15;
}

.section-title em {
    font-family: var(--font-serif);
    font-style: italic;
    font-weight: 400;
    color: var(--text-secondary);
}

/* === SERVICES SECTION === */
.services {
    background: var(--bg-primary);
}

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

.service-card {
    position: relative;
    padding: var(--space-2xl);
    background: var(--gradient-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.service-card:hover {
    border-color: var(--border-accent);
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.service-venture {
    border-color: var(--border-accent);
    background: linear-gradient(145deg, var(--bg-card) 0%, rgba(0, 212, 170, 0.05) 100%);
}

.service-badge {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    padding: 0.25rem 0.75rem;
    font-size: 0.625rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent);
    background: var(--accent-glow);
    border: 1px solid var(--border-accent);
    border-radius: 100px;
}

.service-icon {
    width: 48px;
    height: 48px;
    margin-bottom: var(--space-lg);
    color: var(--text-primary);
}

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

.service-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.service-desc {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
    line-height: 1.7;
}

.service-list {
    list-style: none;
    margin-bottom: var(--space-xl);
}

.service-list li {
    position: relative;
    padding-left: var(--space-lg);
    margin-bottom: var(--space-sm);
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

.service-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.5em;
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
}

.service-model {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border-subtle);
}

.model-tag {
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent);
    padding: 0.25rem 0.5rem;
    background: var(--accent-glow);
    border-radius: var(--radius-sm);
}

.model-text {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* === MODEL SECTION === */
.model {
    background: var(--bg-secondary);
}

.model-comparison {
    display: flex;
    align-items: stretch;
    gap: var(--space-xl);
    margin-bottom: var(--space-4xl);
}

.comparison-card {
    flex: 1;
    padding: var(--space-2xl);
    border-radius: var(--radius-xl);
}

.comparison-old {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-subtle);
}

.comparison-new {
    background: linear-gradient(145deg, var(--bg-card) 0%, rgba(0, 212, 170, 0.08) 100%);
    border: 1px solid var(--border-accent);
    box-shadow: var(--shadow-glow);
}

.comparison-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.comparison-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    font-weight: 700;
    border-radius: 50%;
}

.comparison-old .comparison-icon {
    color: var(--text-tertiary);
    background: var(--bg-card);
}

.comparison-new .comparison-icon {
    color: var(--bg-primary);
    background: var(--accent);
}

.comparison-header h4 {
    font-size: 1.25rem;
    font-weight: 700;
}

.comparison-list {
    list-style: none;
}

.comparison-list li {
    position: relative;
    padding: var(--space-sm) 0;
    padding-left: var(--space-lg);
    font-size: 0.9375rem;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-subtle);
}

.comparison-list li:last-child {
    border-bottom: none;
}

.comparison-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--text-tertiary);
}

.comparison-new .comparison-list li::before {
    color: var(--accent);
}

.comparison-vs {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    flex-shrink: 0;
    font-size: 0.75rem;
    font-weight: 800;
    color: var(--text-tertiary);
    letter-spacing: 0.05em;
}

/* Model features */
.model-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.feature {
    text-align: center;
    padding: var(--space-xl);
}

.feature-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-lg);
    color: var(--text-primary);
}

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

.feature h5 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.feature p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* === PORTFOLIO SECTION === */
.portfolio {
    background: var(--bg-primary);
}

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

.portfolio-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-base);
}

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

.portfolio-featured {
    grid-column: span 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.portfolio-image {
    aspect-ratio: 16/10;
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.portfolio-featured .portfolio-image {
    aspect-ratio: auto;
}

.portfolio-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
}

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

.portfolio-content {
    padding: var(--space-xl);
}

.portfolio-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    margin-bottom: var(--space-md);
}

.tag {
    padding: 0.25rem 0.625rem;
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-tertiary);
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
}

.portfolio-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.portfolio-desc {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.portfolio-stats {
    display: flex;
    gap: var(--space-xl);
    margin-top: var(--space-xl);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border-subtle);
}

.portfolio-stat {
    display: flex;
    flex-direction: column;
}

.portfolio-stat .stat-value {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--accent);
}

.portfolio-stat .stat-label {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* === TEAM SECTION === */
.team {
    background: var(--bg-secondary);
}

.team-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
}

.team-card {
    display: flex;
    gap: var(--space-xl);
    padding: var(--space-2xl);
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
}

.team-founder {
    border-color: var(--border-accent);
}

.team-image {
    flex-shrink: 0;
}

.team-placeholder {
    width: 120px;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent);
    background: var(--accent-glow);
    border: 2px solid var(--border-accent);
    border-radius: var(--radius-lg);
}

.team-content {
    flex: 1;
}

.team-name {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.team-role {
    font-size: 0.875rem;
    color: var(--accent);
    font-weight: 500;
    margin-bottom: var(--space-md);
    display: block;
}

.team-bio {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-lg);
}

.team-links {
    display: flex;
    gap: var(--space-md);
}

.team-link {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-tertiary);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.team-link svg {
    width: 18px;
    height: 18px;
}

.team-link:hover {
    color: var(--accent);
    background: var(--accent-glow);
}

.team-extras {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.team-stat-card {
    padding: var(--space-xl);
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    text-align: center;
}

.team-stat-number {
    display: block;
    font-size: 3rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1;
    margin-bottom: var(--space-sm);
}

.team-stat-label {
    font-size: 0.875rem;
    color: var(--text-tertiary);
}

.team-join {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: var(--space-xl);
    background: linear-gradient(145deg, var(--bg-card) 0%, rgba(0, 212, 170, 0.05) 100%);
    border: 1px solid var(--border-accent);
    border-radius: var(--radius-xl);
    text-align: center;
}

.team-join h4 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.team-join p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
}

/* === CONTACT SECTION === */
.contact {
    background: var(--bg-primary);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: start;
}

.contact-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-lg);
}

.contact-title em {
    font-family: var(--font-serif);
    font-style: italic;
    font-weight: 400;
    color: var(--accent);
}

.contact-subtitle {
    font-size: 1.0625rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-2xl);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.contact-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.contact-link svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.contact-link:hover {
    border-color: var(--border-accent);
    color: var(--text-primary);
}

/* WhatsApp styling */
.contact-whatsapp {
    background: #25d366;
    border-color: #25d366;
    color: #fff;
}

.contact-whatsapp:hover {
    background: #20bd5a;
    border-color: #20bd5a;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
}

/* Floating WhatsApp button */
.whatsapp-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 60px;
    height: 60px;
    background: #25d366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 99;
    transition: all var(--transition-fast);
}

.whatsapp-float svg {
    width: 32px;
    height: 32px;
    fill: #fff;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 24px rgba(37, 211, 102, 0.5);
}

.whatsapp-float::before {
    content: '¿Hablamos?';
    position: absolute;
    right: 70px;
    background: var(--bg-card);
    color: var(--text-primary);
    padding: 8px 12px;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-lg);
}

.whatsapp-float:hover::before {
    opacity: 1;
    visibility: visible;
}

/* Contact form */
.contact-form {
    padding: var(--space-2xl);
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
}

.form-group {
    margin-bottom: var(--space-lg);
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: var(--space-md);
    font-size: 1rem;
    color: var(--text-primary);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-tertiary);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2371717a' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
}

/* === FOOTER === */
.footer {
    padding: var(--space-4xl) 0 var(--space-2xl);
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-subtle);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    gap: var(--space-3xl);
    margin-bottom: var(--space-3xl);
    padding-bottom: var(--space-2xl);
    border-bottom: 1px solid var(--border-subtle);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.footer-logo .logo-icon {
    width: 28px;
    height: 28px;
}

.footer-tagline {
    font-size: 0.875rem;
    color: var(--text-tertiary);
}

.footer-links {
    display: flex;
    gap: var(--space-4xl);
}

.footer-col h5 {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-tertiary);
    margin-bottom: var(--space-md);
}

.footer-col a {
    display: block;
    font-size: 0.9375rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
    transition: color var(--transition-fast);
}

.footer-col a:hover {
    color: var(--accent);
}

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

.footer-bottom p {
    font-size: 0.875rem;
    color: var(--text-tertiary);
}

.footer-made .heart {
    color: var(--accent);
}

/* === ANIMATIONS === */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes scrollLine {
    0% { transform: scaleY(0); transform-origin: top; }
    50% { transform: scaleY(1); transform-origin: top; }
    51% { transform-origin: bottom; }
    100% { transform: scaleY(0); transform-origin: bottom; }
}

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

/* === RESPONSIVE === */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: 1fr;
    }

    .model-comparison {
        flex-direction: column;
    }

    .comparison-vs {
        width: 100%;
        height: 48px;
    }

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

    .portfolio-featured {
        grid-column: span 1;
        grid-template-columns: 1fr;
    }

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

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

    .team-card {
        flex-direction: column;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .footer-content {
        flex-direction: column;
        gap: var(--space-2xl);
    }

    .footer-links {
        flex-wrap: wrap;
        gap: var(--space-2xl);
    }
}

@media (max-width: 768px) {
    :root {
        --container-padding: 1rem;
    }

    .nav-links {
        display: none;
    }

    .nav-menu-btn {
        display: flex;
    }

    .hero-stats {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-lg);
    }

    .stat-divider {
        display: none;
    }

    .desktop-only {
        display: none;
    }

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

@media (max-width: 480px) {
    .hero-ctas {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .comparison-header {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* === UTILITY CLASSES === */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* === REDUCED MOTION === */
@media (prefers-reduced-motion: reduce) {
    .assembly-block,
    .particle,
    .scan-line,
    .conn-line,
    .gradient-orb,
    .scroll-line,
    .marquee-content {
        animation: none !important;
    }

    .assembly-block {
        opacity: 0.2;
    }

    .particle {
        opacity: 0.4;
    }
}

/* === HERO ANIMATIONS RESPONSIVE === */
@media (max-width: 768px) {
    .blueprint-assembly,
    .connection-lines {
        display: none;
    }

    .data-particles .particle {
        font-size: 0.625rem;
    }

    .scan-line {
        animation-duration: 12s;
    }
}

/* === COOKIE CONSENT BANNER === */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 9999;
    background: var(--bg-card);
    border-top: 1px solid var(--border-light);
    padding: var(--space-lg);
    transform: translateY(100%);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    backdrop-filter: blur(20px);
}

.cookie-banner.visible {
    transform: translateY(0);
}

.cookie-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-lg);
}

.cookie-text p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.5;
}

.cookie-text a {
    color: var(--accent);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.cookie-text a:hover {
    color: var(--accent-light);
}

.cookie-buttons {
    display: flex;
    gap: var(--space-sm);
    flex-shrink: 0;
}

.cookie-btn {
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius-sm);
    font-family: var(--font-display);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
}

.cookie-btn-reject {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-light);
}

.cookie-btn-reject:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.cookie-btn-accept {
    background: var(--accent);
    color: var(--bg-primary);
}

.cookie-btn-accept:hover {
    background: var(--accent-light);
}

@media (max-width: 640px) {
    .cookie-content {
        flex-direction: column;
        text-align: center;
        gap: var(--space-md);
    }

    .cookie-buttons {
        width: 100%;
    }

    .cookie-btn {
        flex: 1;
    }
}