/* desV. — Design System */
:root {
    --bg-primary: #2f3136;
    --bg-secondary: #36393f;
    --bg-elevated: #40444b;
    --bg-glass: rgba(64, 68, 75, 0.45);
    --text-primary: #ffffff;
    --text-secondary: #b9bbbe;
    --text-muted: #8e9297;
    --border: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.15);

    --blue: #4285f4;
    --green: #34a853;
    --purple: #9c27b0;
    --yellow: #fbbc05;
    --red: #ea4335;
    --orange: #f2994a;

    --gradient-brand: linear-gradient(135deg, var(--blue), var(--purple), var(--red));
    --gradient-text: linear-gradient(90deg, var(--blue), var(--green), var(--purple));

    --font: 'Inter', system-ui, -apple-system, sans-serif;
    --radius: 12px;
    --radius-lg: 20px;
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
    --shadow-glow-blue: 0 0 40px rgba(66, 133, 244, 0.15);
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --header-h: 80px;
    --container: 1200px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-h);
}

body {
    font-family: var(--font);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

.container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Skip link */
.skip-link {
    position: absolute;
    top: -100%;
    left: 1rem;
    z-index: 9999;
    padding: 0.75rem 1.25rem;
    background: var(--blue);
    color: #fff;
    border-radius: var(--radius);
    font-weight: 600;
    transition: top var(--transition);
}
.skip-link:focus { top: 1rem; }

/* Glass */
.glass {
    background: var(--bg-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--radius);
    transition: all var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-brand);
    color: #fff;
    box-shadow: 0 4px 20px rgba(66, 133, 244, 0.35);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(66, 133, 244, 0.45);
}

.btn-outline {
    border: 1px solid var(--border-hover);
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.03);
}
.btn-outline:hover {
    border-color: var(--blue);
    background: rgba(66, 133, 244, 0.08);
    box-shadow: var(--shadow-glow-blue);
}

.btn-lg { padding: 1rem 2rem; font-size: 1rem; }

/* Header */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--header-h);
    transition: background var(--transition), box-shadow var(--transition);
}

.site-header.scrolled {
    background: rgba(47, 49, 54, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.2);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    gap: 2rem;
}

.logo-img { height: 44px; width: auto; }

.main-nav .nav-list {
    display: flex;
    gap: 2rem;
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color var(--transition);
    position: relative;
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-brand);
    transition: width var(--transition);
}
.nav-link:hover,
.nav-link.active { color: var(--text-primary); }
.nav-link:hover::after,
.nav-link.active::after { width: 100%; }

.btn-header { padding: 0.625rem 1.25rem; font-size: 0.875rem; }

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 0.5rem;
}
.nav-toggle-bar {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition);
}
.nav-toggle.active .nav-toggle-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active .nav-toggle-bar:nth-child(2) { opacity: 0; }
.nav-toggle.active .nav-toggle-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Hero */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: calc(var(--header-h) + 3rem) 0 4rem;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black, transparent);
}

.hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.35;
    animation: float 12s ease-in-out infinite;
}
.hero-orb-1 {
    width: 400px; height: 400px;
    background: var(--blue);
    top: 10%; left: -10%;
}
.hero-orb-2 {
    width: 350px; height: 350px;
    background: var(--purple);
    bottom: 20%; right: -5%;
    animation-delay: -4s;
}
.hero-orb-3 {
    width: 280px; height: 280px;
    background: var(--green);
    top: 50%; left: 40%;
    animation-delay: -8s;
    opacity: 0.2;
}

.hero-lines {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 70% 30%, rgba(66,133,244,0.08) 0%, transparent 50%),
                radial-gradient(ellipse at 20% 80%, rgba(156,39,176,0.06) 0%, transparent 50%);
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -20px) scale(1.05); }
    66% { transform: translate(-20px, 15px) scale(0.95); }
}

.hero-content {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-badge {
    display: inline-block;
    padding: 0.4rem 1rem;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--blue);
    background: rgba(66, 133, 244, 0.1);
    border: 1px solid rgba(66, 133, 244, 0.25);
    border-radius: 100px;
    margin-bottom: 1.5rem;
    letter-spacing: 0.02em;
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.25rem);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: 1.25rem;
}

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

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 520px;
    margin-bottom: 2rem;
    line-height: 1.7;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; }

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

.hero-logo-wrap {
    position: relative;
    animation: heroPulse 4s ease-in-out infinite;
}
.hero-logo-glow {
    position: absolute;
    inset: -20%;
    background: radial-gradient(circle, rgba(66,133,244,0.2) 0%, transparent 70%);
    border-radius: 50%;
}
.hero-logo {
    position: relative;
    max-width: 320px;
    filter: drop-shadow(0 20px 40px rgba(0,0,0,0.3));
}

@keyframes heroPulse {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.hero-scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    width: 28px;
    height: 44px;
    border: 2px solid var(--border-hover);
    border-radius: 14px;
    display: flex;
    justify-content: center;
    padding-top: 8px;
}
.hero-scroll span {
    width: 4px;
    height: 8px;
    background: var(--text-muted);
    border-radius: 2px;
    animation: scrollDown 2s ease-in-out infinite;
}
@keyframes scrollDown {
    0%, 100% { opacity: 0.3; transform: translateY(0); }
    50% { opacity: 1; transform: translateY(8px); }
}

/* Sections */
.section {
    padding: 6rem 0;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem;
}

.section-label {
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--blue);
    margin-bottom: 0.75rem;
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.section-desc {
    color: var(--text-secondary);
    font-size: 1.0625rem;
}

/* About */
.section-about { background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%); }

.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about-lead {
    font-size: 1.125rem;
    color: var(--text-primary);
    margin-bottom: 1.25rem;
    line-height: 1.8;
}
.about-content p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.8;
}

.about-expertise {
    padding: 2rem;
    background: var(--bg-glass);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
}

.about-expertise-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.expertise-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 0;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border);
    font-size: 0.9375rem;
}
.expertise-list li:last-child { border-bottom: none; }

.expertise-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}
.expertise-dot-blue { background: var(--blue); box-shadow: 0 0 8px var(--blue); }
.expertise-dot-green { background: var(--green); box-shadow: 0 0 8px var(--green); }
.expertise-dot-purple { background: var(--purple); box-shadow: 0 0 8px var(--purple); }
.expertise-dot-yellow { background: var(--yellow); box-shadow: 0 0 8px var(--yellow); }
.expertise-dot-red { background: var(--red); box-shadow: 0 0 8px var(--red); }
.expertise-dot-orange { background: var(--orange); box-shadow: 0 0 8px var(--orange); }

/* Services */
.section-services { background: var(--bg-secondary); }

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.service-card {
    position: relative;
    padding: 2rem;
    background: var(--bg-glass);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: all var(--transition);
    overflow: hidden;
}
.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    opacity: 0;
    transition: opacity var(--transition);
}
.service-card-blue::before { background: var(--blue); }
.service-card-green::before { background: var(--green); }
.service-card-purple::before { background: var(--purple); }
.service-card-yellow::before { background: var(--yellow); }
.service-card-red::before { background: var(--red); }
.service-card-orange::before { background: var(--orange); }

.service-card:hover {
    transform: translateY(-6px);
    border-color: var(--border-hover);
    box-shadow: var(--shadow);
}
.service-card:hover::before { opacity: 1; }

.service-card-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius);
    margin-bottom: 1.25rem;
}
.service-card-icon svg { width: 28px; height: 28px; }

.service-card-blue .service-card-icon { background: rgba(66,133,244,0.15); color: var(--blue); }
.service-card-green .service-card-icon { background: rgba(52,168,83,0.15); color: var(--green); }
.service-card-purple .service-card-icon { background: rgba(156,39,176,0.15); color: var(--purple); }
.service-card-yellow .service-card-icon { background: rgba(251,188,5,0.15); color: var(--yellow); }
.service-card-red .service-card-icon { background: rgba(234,67,53,0.15); color: var(--red); }
.service-card-orange .service-card-icon { background: rgba(242,153,74,0.15); color: var(--orange); }

.service-card-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.service-card-list li {
    font-size: 0.875rem;
    color: var(--text-secondary);
    padding: 0.35rem 0;
    padding-left: 1rem;
    position: relative;
}
.service-card-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--text-muted);
}

.service-card-link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    margin-top: 1.25rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    transition: color var(--transition), gap var(--transition);
}
.service-card:hover .service-card-link { color: var(--text-primary); gap: 0.5rem; }

/* Differentials */
.section-differentials { overflow: hidden; }

.section-glow {
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.12;
    pointer-events: none;
}
.section-glow-purple {
    background: var(--purple);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.diff-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.diff-card {
    padding: 2rem;
    background: rgba(47, 49, 54, 0.6);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: all var(--transition);
    position: relative;
}
.diff-card:hover {
    background: var(--bg-glass);
    border-color: var(--border-hover);
    transform: translateY(-4px);
}

.diff-number {
    font-size: 2.5rem;
    font-weight: 700;
    opacity: 0.12;
    line-height: 1;
    margin-bottom: 0.5rem;
}
.diff-card-blue .diff-number { color: var(--blue); opacity: 0.25; }
.diff-card-green .diff-number { color: var(--green); opacity: 0.25; }
.diff-card-purple .diff-number { color: var(--purple); opacity: 0.25; }
.diff-card-yellow .diff-number { color: var(--yellow); opacity: 0.25; }
.diff-card-red .diff-number { color: var(--red); opacity: 0.25; }
.diff-card-orange .diff-number { color: var(--orange); opacity: 0.25; }

.diff-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}
.diff-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Stats */
.section-stats {
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.stats-grid--duo {
    grid-template-columns: repeat(2, 1fr);
    max-width: 640px;
    margin: 0 auto;
}

.stat-card {
    padding: 2.5rem 2rem;
    text-align: center;
    transition: transform var(--transition), box-shadow var(--transition);
}
.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow-blue);
}

.stat-value {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 700;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* CTA */
.section-cta { padding: 5rem 0 7rem; position: relative; }

.cta-bg {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, rgba(66,133,244,0.1) 0%, transparent 60%);
    pointer-events: none;
}

.cta-box {
    text-align: center;
    padding: 4rem 3rem;
    position: relative;
    overflow: hidden;
}
.cta-box::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(66,133,244,0.05), rgba(156,39,176,0.05));
    pointer-events: none;
}

.cta-title {
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    font-weight: 700;
    margin-bottom: 1rem;
    position: relative;
}

.cta-desc {
    color: var(--text-secondary);
    font-size: 1.125rem;
    max-width: 560px;
    margin: 0 auto 2rem;
    position: relative;
}

.cta-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    position: relative;
}

/* Footer */
.site-footer {
    position: relative;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding-top: 4rem;
}

.footer-glow {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 1px;
    background: var(--gradient-brand);
    opacity: 0.5;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 3rem;
    padding-bottom: 3rem;
}

.footer-logo { height: 40px; margin-bottom: 1rem; }
.footer-tagline {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 280px;
}

.footer-title {
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    margin-bottom: 1.25rem;
}

.footer-nav ul li,
.footer-contact ul li { margin-bottom: 0.75rem; }

.footer-nav a,
.footer-contact a {
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: color var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}
.footer-nav a:hover,
.footer-contact a:hover { color: var(--text-primary); }

.footer-contact .icon { width: 18px; height: 18px; flex-shrink: 0; opacity: 0.7; }
.footer-contact .icon-whatsapp { color: #25d366; opacity: 1; }

.btn-whatsapp { gap: 0.625rem; }
.btn-whatsapp .icon-whatsapp { width: 22px; height: 22px; color: #25d366; }
.btn-whatsapp:hover { border-color: rgba(37, 211, 102, 0.5); background: rgba(37, 211, 102, 0.08); }

.social-links { display: flex; gap: 0.75rem; }

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius);
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    transition: all var(--transition);
}
.social-link svg { width: 18px; height: 18px; }
.social-link:hover {
    color: var(--text-primary);
    border-color: var(--border-hover);
    transform: translateY(-2px);
}
.social-linkedin:hover { background: rgba(66,133,244,0.15); color: var(--blue); }
.social-instagram:hover { background: rgba(156,39,176,0.15); color: var(--purple); }
.social-github:hover { background: rgba(255,255,255,0.1); }

.footer-bottom {
    padding: 1.5rem 0;
    border-top: 1px solid var(--border);
    text-align: center;
}
.footer-bottom {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    text-align: center;
}

.footer-legal {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.footer-copy {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

.footer-copy a {
    color: var(--text-secondary);
    margin-left: 0.35rem;
    text-decoration: underline;
    text-underline-offset: 3px;
    transition: color var(--transition);
}

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

/* Legal page */
.legal-page {
    padding-top: calc(var(--header-h) + 2rem);
    min-height: 80vh;
}

.legal-container {
    max-width: 800px;
}

.legal-back {
    display: inline-block;
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    transition: color var(--transition);
}

.legal-back:hover {
    color: var(--blue);
}

.legal-title {
    font-size: clamp(1.75rem, 4vw, 2.25rem);
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.legal-updated {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.legal-content {
    padding: 2.5rem;
}

.legal-content h2 {
    font-size: 1.125rem;
    font-weight: 600;
    margin: 2rem 0 0.75rem;
    color: var(--text-primary);
}

.legal-content h2:first-of-type {
    margin-top: 0;
}

.legal-content p,
.legal-content li {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.75;
    margin-bottom: 0.75rem;
}

.legal-content ul {
    list-style: disc;
    padding-left: 1.25rem;
    margin-bottom: 1rem;
}

.legal-content a {
    color: var(--blue);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.legal-content a:hover {
    color: var(--text-primary);
}

/* Reveal animations */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s ease, transform 0.7s ease;
    transition-delay: var(--reveal-delay, 0ms);
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}
.reveal-delay { transition-delay: 150ms; }

/* Responsive */
@media (max-width: 1024px) {
    .hero-content { grid-template-columns: 1fr; text-align: center; }
    .hero-subtitle { margin-left: auto; margin-right: auto; }
    .hero-actions { justify-content: center; }
    .hero-visual { order: -1; }
    .hero-logo { max-width: 220px; }
    .about-grid { grid-template-columns: 1fr; }
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .diff-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    :root { --header-h: 70px; }

    .main-nav {
        position: fixed;
        top: var(--header-h);
        left: 0;
        right: 0;
        background: rgba(47, 49, 54, 0.98);
        backdrop-filter: blur(20px);
        border-bottom: 1px solid var(--border);
        padding: 1.5rem;
        transform: translateY(-120%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition);
    }
    .main-nav.open {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    .main-nav .nav-list {
        flex-direction: column;
        gap: 0;
    }
    .main-nav .nav-list li { border-bottom: 1px solid var(--border); }
    .main-nav .nav-link {
        display: block;
        padding: 1rem 0;
    }

    .nav-toggle { display: flex; }
    .btn-header { display: none; }

    .services-grid,
    .diff-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
    .cta-box { padding: 2.5rem 1.5rem; }
    .cta-actions { flex-direction: column; }
    .cta-actions .btn { width: 100%; }
    .section { padding: 4rem 0; }
}

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