:root {
    --bg: #050505;
    --bg-elevated: #0c0c0c;
    --bg-card: #111111;
    --border: rgba(255,255,255,0.08);
    --text: #f5f5f5;
    --text-muted: #a1a1aa;
    --accent: #22c55e;
    --accent-dim: rgba(34, 197, 94, 0.15);
    --white: #ffffff;
    --radius: 16px;
    --radius-lg: 24px;
    --transition: all 0.3s ease;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
    font-family: 'Inter', system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    line-height: 1.15;
    letter-spacing: -0.02em;
}

a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }

.container {
    width: 100%;
    max-width: 1160px;
    margin: 0 auto;
    padding: 0 24px;
}

.section { padding: 100px 0; }

.section-head {
    text-align: center;
    max-width: 620px;
    margin: 0 auto 60px;
}

.section-tag {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 14px;
}

.section-head h2 {
    font-size: clamp(2rem, 4vw, 2.8rem);
    margin-bottom: 14px;
}

.section-desc { color: var(--text-muted); font-size: 1.05rem; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: 999px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

.btn-primary {
    background: var(--accent);
    color: #000;
    border-color: var(--accent);
}

.btn-primary:hover {
    background: #16a34a;
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(34, 197, 94, 0.35);
}

.btn-ghost {
    background: transparent;
    color: var(--text);
    border-color: var(--border);
}

.btn-ghost:hover {
    border-color: rgba(255,255,255,0.25);
    background: rgba(255,255,255,0.04);
}

.btn-full { width: 100%; }

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(5,5,5,0.8);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid transparent;
    transition: var(--transition);
}

.header.scrolled { border-bottom-color: var(--border); }

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.25rem;
}

.logo-mark {
    width: 36px;
    height: 36px;
    background: var(--accent);
    color: #000;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

.nav {
    display: flex;
    gap: 6px;
}

.nav-link {
    padding: 8px 14px;
    font-size: 0.92rem;
    font-weight: 500;
    color: var(--text-muted);
    border-radius: 8px;
}

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

.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text);
    font-size: 1.35rem;
    cursor: pointer;
}

/* Hero */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 140px 0 100px;
    overflow: hidden;
}

.hero-glow {
    position: absolute;
    top: -20%;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(34,197,94,0.12) 0%, transparent 65%);
    pointer-events: none;
}

.hero-inner { position: relative; max-width: 860px; }

.hero-eyebrow {
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 20px;
}

.hero-title {
    font-size: clamp(2.6rem, 7vw, 4.4rem);
    margin-bottom: 24px;
    letter-spacing: -0.03em;
}

.hero-title span { color: var(--accent); }

.hero-sub {
    font-size: 1.15rem;
    color: var(--text-muted);
    max-width: 540px;
    margin-bottom: 36px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 56px;
}

.hero-stats {
    display: flex;
    gap: 48px;
    flex-wrap: wrap;
    padding-top: 32px;
    border-top: 1px solid var(--border);
}

.stat strong {
    display: block;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--accent);
    font-family: 'Space Grotesk', sans-serif;
}

.stat span {
    font-size: 0.85rem;
    color: var(--text-muted);
}

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

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    position: relative;
    transition: var(--transition);
}

.service-card:hover {
    border-color: rgba(34,197,94,0.35);
    transform: translateY(-4px);
}

.service-card.featured {
    border-color: rgba(34,197,94,0.4);
    background: linear-gradient(180deg, rgba(34,197,94,0.06) 0%, var(--bg-card) 100%);
}

.badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--accent);
    color: #000;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 999px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.service-icon {
    width: 52px;
    height: 52px;
    background: var(--accent-dim);
    color: var(--accent);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    margin-bottom: 22px;
}

.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.service-card > p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.service-card ul {
    margin-bottom: 24px;
}

.service-card li {
    position: relative;
    padding-left: 18px;
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 8px;
}

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

.card-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--accent);
}

.card-link:hover { gap: 12px; }

/* About */
.about-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 60px;
    align-items: center;
}

.about-content h2 {
    font-size: clamp(1.8rem, 3.5vw, 2.4rem);
    margin-bottom: 20px;
}

.about-content p {
    color: var(--text-muted);
    margin-bottom: 16px;
}

.about-points {
    margin-top: 32px;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.point {
    display: flex;
    gap: 14px;
    align-items: flex-start;
}

.point i {
    width: 40px;
    height: 40px;
    background: var(--accent-dim);
    color: var(--accent);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.point strong { display: block; font-size: 0.95rem; }
.point span { font-size: 0.85rem; color: var(--text-muted); }

.about-visual {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    text-align: center;
}

.big-number .num {
    display: block;
    font-size: 5rem;
    font-weight: 700;
    color: var(--accent);
    font-family: 'Space Grotesk', sans-serif;
    line-height: 1;
}

.big-number .label {
    font-size: 1rem;
    color: var(--text-muted);
    margin-bottom: 28px;
    display: block;
}

.pillars { display: flex; flex-direction: column; gap: 12px; }

.pillar {
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border);
    padding: 14px 18px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 500;
}

.pillar i { color: var(--accent); }

/* Impact */
.impact { background: var(--bg-elevated); }

.impact-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.impact-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px 22px;
    text-align: center;
    transition: var(--transition);
}

.impact-card:hover {
    border-color: rgba(34,197,94,0.3);
    transform: translateY(-3px);
}

.impact-card i {
    font-size: 1.5rem;
    color: var(--accent);
    margin-bottom: 16px;
}

.impact-card h3 {
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.impact-card p {
    font-size: 0.88rem;
    color: var(--text-muted);
}

/* CTA */
.cta-box {
    background: linear-gradient(135deg, rgba(34,197,94,0.15) 0%, rgba(34,197,94,0.05) 100%);
    border: 1px solid rgba(34,197,94,0.25);
    border-radius: var(--radius-lg);
    padding: 60px 40px;
    text-align: center;
}

.cta-box h2 {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    margin-bottom: 12px;
}

.cta-box p {
    color: var(--text-muted);
    margin-bottom: 28px;
    font-size: 1.05rem;
}

/* Contact */
.contact-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 48px;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.info-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.info-item i {
    width: 44px;
    height: 44px;
    background: var(--accent-dim);
    color: var(--accent);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.info-item strong {
    display: block;
    font-size: 0.88rem;
    margin-bottom: 2px;
}

.info-item a, .info-item span {
    font-size: 0.95rem;
    color: var(--text-muted);
}

.info-item a:hover { color: var(--accent); }

.contact-form {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 36px 32px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group { margin-bottom: 18px; }

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 6px;
    color: var(--text-muted);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 13px 16px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text);
    font-size: 0.95rem;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(34,197,94,0.15);
}

.form-group textarea { resize: vertical; min-height: 110px; }

/* Footer */
.footer {
    border-top: 1px solid var(--border);
    padding: 60px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 14px;
    max-width: 280px;
}

.footer-col h4 {
    font-size: 0.95rem;
    margin-bottom: 16px;
}

.footer-col a {
    display: block;
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 10px;
}

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

.socials {
    display: flex;
    gap: 10px;
    margin-bottom: 14px;
}

.socials a {
    width: 38px;
    height: 38px;
    background: rgba(255,255,255,0.05);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text);
}

.socials a:hover { background: var(--accent); color: #000; }

.footer-email { font-size: 0.9rem; color: var(--text-muted); }

.footer-bottom {
    border-top: 1px solid var(--border);
    padding: 20px 0;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Floating elements */
.whatsapp-float {
    position: fixed;
    bottom: 28px;
    right: 28px;
    width: 56px;
    height: 56px;
    background: #25d366;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.7rem;
    box-shadow: 0 4px 20px rgba(37,211,102,0.4);
    z-index: 100;
    transition: var(--transition);
}

.whatsapp-float:hover {
    transform: scale(1.08);
    color: #fff;
}

.back-to-top {
    position: fixed;
    bottom: 96px;
    right: 34px;
    width: 42px;
    height: 42px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text);
    border-radius: 50%;
    font-size: 1rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 99;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* Responsive */
@media (max-width: 992px) {
    .services-grid { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; }
    .about-grid { grid-template-columns: 1fr; gap: 40px; }
    .about-visual { order: -1; max-width: 360px; margin: 0 auto; }
    .impact-grid { grid-template-columns: repeat(2, 1fr); }
    .contact-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .nav {
        position: fixed;
        top: 72px;
        left: 0;
        width: 100%;
        background: var(--bg);
        border-bottom: 1px solid var(--border);
        flex-direction: column;
        padding: 16px;
        gap: 4px;
        transform: translateY(-120%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }
    .nav.open {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    .nav-link { padding: 12px 16px; }
    .nav-cta { display: none; }
    .nav-toggle { display: block; }
    .hero { min-height: auto; padding: 120px 0 70px; }
    .form-row { grid-template-columns: 1fr; }
    .cta-box { padding: 40px 24px; }
}

@media (max-width: 576px) {
    .section { padding: 70px 0; }
    .impact-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 28px; }
    .hero-stats { gap: 28px; }
}