/* ═══════════════════════════════════════════
   RESET & BASE
   ═══════════════════════════════════════════ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', Arial, sans-serif;
    background: #000;
    color: #fff;
    overflow-x: hidden;
}

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

/* ═══════════════════════════════════════════
   NAVBAR & MOBILE MENU
   ═══════════════════════════════════════════ */
.navbar {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 5%;
    transition: background 0.3s, padding 0.3s;
}

.navbar.scrolled {
    position: fixed;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid #111;
    padding: 16px 5%;
}

.nav-left, .nav-right {
    display: flex;
    gap: 28px;
    align-items: center;
}

.nav-left a, .nav-right a {
    font-size: 13px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.6);
    letter-spacing: 0.3px;
    transition: color 0.2s;
}

.nav-left a:hover, .nav-right a:hover {
    color: #fff;
}

.brand {
    font-size: 20px;
    font-weight: 900;
    letter-spacing: 5px;
    text-transform: uppercase;
    color: #fff;
}

.brand span {
    color: #00ff66;
}

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

.hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: #fff;
    border-radius: 2px;
    transition: all 0.3s;
}

.hamburger.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.open span:nth-child(2) {
    opacity: 0;
}

.hamburger.open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.mobile-menu {
    display: none;
    flex-direction: column;
    background: #080808;
    border-bottom: 1px solid #111;
    padding: 12px 5%;
    position: fixed;
    top: 68px;
    left: 0;
    right: 0;
    z-index: 99;
}

.mobile-menu a {
    font-size: 15px;
    font-weight: 500;
    color: #666;
    padding: 13px 0;
    border-bottom: 1px solid #111;
}

.mobile-menu a:hover {
    color: #00ff66;
}

/* ═══════════════════════════════════════════
   HERO SECTION
   ═══════════════════════════════════════════ */
.hero {
    position: relative;
    width: 100%;
    height: 100vh;
    overflow: hidden;
    background: #000;
}

.hero-video {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    min-width: 100%;
    min-height: 100%;
    object-fit: cover;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(0,0,0,0.5) 0%, rgba(0,0,0,0.1) 40%, rgba(0,0,0,0.65) 100%);
    z-index: 2;
}

.hero-content {
    position: absolute;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    z-index: 3;
    width: 90%;
    max-width: 700px;
}

.hero-eyebrow {
    font-size: 12px;
    font-weight: 500;
    color: rgba(255,255,255,0.5);
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.hero-heading {
    font-size: 60px;
    font-weight: 300;
    line-height: 1.05;
    letter-spacing: -1.5px;
    color: #fff;
    margin-bottom: 32px;
}

.green {
    color: #00ff66;
}

.hero-buttons {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 13px 32px;
    border-radius: 3px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.2s;
    border: 1px solid transparent;
}

.btn-outline {
    background: rgba(255,255,255,0.08);
    border-color: rgba(255,255,255,0.3);
    color: #fff;
}

.btn-outline:hover {
    background: rgba(0,255,102,0.1);
    border-color: #00ff66;
    color: #00ff66;
}

.btn-green {
    background: #00ff66;
    border-color: #00ff66;
    color: #000;
}

.btn-green:hover {
    background: #00dd55;
}

.scroll-hint {
    position: absolute;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    z-index: 3;
    opacity: 0.35;
}

.scroll-hint span {
    font-size: 10px;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.scroll-line {
    width: 1px;
    height: 36px;
    background: #fff;
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0% { transform: scaleY(1); opacity: 1; }
    100% { transform: scaleY(0.2); opacity: 0; }
}

/* ═══════════════════════════════════════════
   STATS STRIP
   ═══════════════════════════════════════════ */
.stats-strip {
    display: flex;
    border-top: 1px solid #111;
}

.stat {
    flex: 1;
    padding: 28px 24px;
    border-right: 1px solid #111;
}

.stat:last-child {
    border-right: none;
}

.stat-number {
    font-size: 28px;
    font-weight: 800;
    color: #fff;
    letter-spacing: -0.5px;
}

.stat-number span {
    color: #00ff66;
}

.stat-label {
    font-size: 12px;
    color: #444;
    font-weight: 500;
    margin-top: 4px;
}

/* ═══════════════════════════════════════════
   PRODUCTS GRID
   ═══════════════════════════════════════════ */
.products-section {
    padding: 88px 5%;
    background: #000;
}

.section-header {
    margin-bottom: 52px;
}

.eyebrow {
    font-size: 11px;
    font-weight: 700;
    color: #00ff66;
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 14px;
}

.section-heading {
    font-size: 42px;
    font-weight: 800;
    letter-spacing: -1.5px;
    line-height: 1.05;
    color: #fff;
    margin-bottom: 12px;
}

.section-sub {
    font-size: 15px;
    color: #555;
    line-height: 1.7;
    max-width: 520px;
}

.products-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2px;
    background: #111;
}

.product-card {
    background: #0a0a0a;
    padding: 44px 36px;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    transition: background 0.25s;
}

.product-card:hover {
    background: #111;
}

.card-accent {
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 0;
    background: #00ff66;
    transition: height 0.35s ease;
}

.product-card:hover .card-accent {
    height: 100%;
}

.card-number {
    font-size: 11px;
    font-weight: 700;
    color: #2a2a2a;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 36px;
}

.card-title {
    font-size: 28px;
    font-weight: 800;
    color: #fff;
    letter-spacing: -0.5px;
    margin-bottom: 8px;
}

.card-spec {
    font-size: 14px;
    color: #444;
    margin-bottom: 20px;
}

.card-tag {
    display: inline-block;
    background: rgba(0,255,102,0.08);
    color: #00ff66;
    font-size: 11px;
    font-weight: 600;
    padding: 5px 12px;
    border-radius: 3px;
    letter-spacing: 0.5px;
}

.card-arrow {
    position: absolute;
    bottom: 28px;
    right: 32px;
    font-size: 22px;
    color: #1e1e1e;
    transition: color 0.2s, transform 0.2s;
}

.product-card:hover .card-arrow {
    color: #00ff66;
    transform: translate(4px, -4px);
}

/* ═══════════════════════════════════════════
   FEATURES SECTION & CTA
   ═══════════════════════════════════════════ */
.features-section {
    padding: 88px 5%;
    background: #050505;
    border-top: 1px solid #111;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background: #111;
    margin-top: 48px;
}

.feature {
    background: #050505;
    padding: 36px 28px;
}

.feature-icon {
    font-size: 24px;
    margin-bottom: 18px;
}

.feature h4 {
    font-size: 16px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 8px;
}

.feature p {
    font-size: 13px;
    color: #444;
    line-height: 1.65;
}

.cta-section {
    padding: 100px 5%;
    text-align: center;
    border-top: 1px solid #111;
}

.cta-heading {
    font-size: 52px;
    font-weight: 800;
    letter-spacing: -2px;
    color: #fff;
    line-height: 1.05;
    margin-bottom: 16px;
}

.cta-sub {
    font-size: 16px;
    color: #444;
    margin-bottom: 36px;
}

.cta-buttons {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ═══════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════ */
.footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 28px 5%;
    border-top: 1px solid #111;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-brand {
    font-size: 16px;
    font-weight: 900;
    letter-spacing: 4px;
    text-transform: uppercase;
}

.footer-brand span {
    color: #00ff66;
}

.footer-links {
    display: flex;
    gap: 20px;
}

.footer-links a {
    font-size: 12px;
    color: #333;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: #fff;
}

.footer-copy {
    font-size: 11px;
    color: #222;
    letter-spacing: 0.5px;
}

/* ═══════════════════════════════════════════
   RESPONSIVE LAYOUTS (MOBILE & TABLET)
   ═══════════════════════════════════════════ */
@media (max-width: 768px) {
    .nav-left, .nav-right a { display: none; }
    .hamburger { display: flex; }
    .hero-heading { font-size: 36px; letter-spacing: -1px; }
    .hero-content { bottom: 60px; }
    .stats-strip { flex-direction: column; }
    .stat { border-right: none; border-bottom: 1px solid #111; }
    .stat:last-child { border-bottom: none; }
    .products-grid { grid-template-columns: 1fr; }
    .section-heading { font-size: 30px; }
    .features-grid { grid-template-columns: 1fr 1fr; }
    .cta-heading { font-size: 32px; }
    .footer { flex-direction: column; text-align: center; }
    .footer-links { justify-content: center; }
}

@media (max-width: 480px) {
    .features-grid { grid-template-columns: 1fr; }
    .hero-heading { font-size: 30px; }
}