:root {
    --bg: #0b1220;
    --surface: #ffffff;
    --surface-alt: #eef2f7;
    --text: #172033;
    --muted: #60708a;
    --line: rgba(255, 255, 255, 0.12);
    --accent: #7ecb4f;
    --accent-dark: #4d8d29;
    --shadow: 0 18px 45px rgba(17, 25, 40, 0.16);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: "Inter", Arial, sans-serif;
    color: var(--text);
    background: #f7f9fc;
    line-height: 1.6;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding-left: 1.1rem; }
.container { width: min(1120px, calc(100% - 2rem)); margin: 0 auto; }
.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(11, 18, 32, 0.94);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--line);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    padding: 1rem 0;
}
.brand { display: flex; align-items: center; gap: 0.9rem; color: #fff; }
.brand img { width: 125px; height: 125px; object-fit: cover; border-radius: 12px; border: 2px solid rgba(255,255,255,.18); }
.brand-name, .brand-tag { display: block; }
.brand-name { font-weight: 800; letter-spacing: 0.05em; font-size: 2.35rem; }
.brand-tag { font-size: 1.25rem; color: #b7c2d8; }
.site-nav { display: flex; gap: 1.25rem; flex-wrap: wrap; }
.site-nav a { color: #e5edf9; font-weight: 500; }
.site-nav a:hover { color: var(--accent); }
.hero {
    position: relative;
    min-height: 88vh;
    display: flex;
    align-items: center;
    background: url("../images/DJI_0563.jpg") center/cover no-repeat;
    color: #fff;
}
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(8,13,24,.88), rgba(8,13,24,.55)); }
.hero-content { position: relative; z-index: 1; max-width: 760px; padding: 5rem 0; }
.eyebrow, .section-label {
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--accent);
}
.hero h1 { font-size: clamp(2.5rem, 5vw, 4.6rem); line-height: 1.05; margin: 0.7rem 0 1rem; }
.hero p { font-size: 1.05rem; color: #dbe4f3; }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 2rem; }
.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.95rem 1.4rem;
    border-radius: 999px;
    font-weight: 700;
    transition: transform .2s ease, background .2s ease, color .2s ease;
}
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--accent); color: #0d1808; }
.button-primary:hover { background: #94de66; }
.button-secondary { border: 1px solid rgba(255,255,255,.3); color: #fff; }
.button-secondary:hover { background: rgba(255,255,255,.08); }
.section { padding: 5.5rem 0; }
.section-dark { background: var(--bg); color: #fff; }
.section-muted { background: var(--surface-alt); }
.section-header { max-width: 720px; margin-bottom: 2rem; }
.section-header h2, .split h2 { margin: 0.5rem 0 1rem; font-size: clamp(2rem, 4vw, 3rem); line-height: 1.1; }
.split { display: grid; grid-template-columns: 1.15fr .95fr; gap: 2rem; align-items: start; }
.panel { background: #fff; border-radius: 24px; padding: 1.75rem; box-shadow: var(--shadow); }
.section-dark .panel { background: #121b2d; box-shadow: none; }
.cards, .products, .gallery { display: grid; gap: 1.5rem; }
.cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.card { background: #121b2d; border: 1px solid rgba(255,255,255,.08); border-radius: 24px; overflow: hidden; }
.card-media {
    position: relative;
}
.card-media::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(8, 13, 24, 0.12) 0%, rgba(8, 13, 24, 0.78) 100%);
}
.card img { height: 280px; width: 100%; object-fit: cover; }
.card-title {
    position: absolute;
    left: 1.5rem;
    right: 1.5rem;
    bottom: 1.35rem;
    z-index: 1;
    margin: 0;
    color: #fff;
    font-size: clamp(1.5rem, 3vw, 2.1rem);
    font-weight: 800;
    line-height: 1;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}
.card-body { padding: 1.5rem; }
.quality-grid { align-items: center; }
.stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; margin-top: 1.5rem; }
.stats div { background: #fff; border-radius: 18px; padding: 1rem; box-shadow: var(--shadow); }
.stats strong { display: block; margin-bottom: 0.35rem; }
.stats span { color: var(--muted); font-size: 0.95rem; }
.stack { display: grid; gap: 1rem; }
.stack img { height: 250px; width: 100%; object-fit: cover; border-radius: 24px; box-shadow: var(--shadow); }
.products { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.gallery { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.gallery img {
    height: 240px;
    width: 100%;
    object-fit: cover;
    border-radius: 20px;
    box-shadow: var(--shadow);
}
.site-footer { background: #09101d; color: #dce4f3; padding: 3rem 0; }
.footer-grid { display: grid; grid-template-columns: 1.2fr .8fr .8fr; gap: 2rem; }
.site-footer h3, .site-footer h4 { color: #fff; margin-top: 0; }
.site-footer p { margin: 0.25rem 0; color: #b8c4d8; }
@media (max-width: 960px) {
    .header-inner, .split, .cards, .products, .footer-grid, .gallery, .stats { grid-template-columns: 1fr; }
    .header-inner { display: grid; }
    .site-nav { gap: 0.85rem; }
    .hero { min-height: 76vh; }
}
@media (max-width: 640px) {
    .brand { align-items: flex-start; }
    .hero-content { padding: 4rem 0; }
    .section { padding: 4rem 0; }
    .card img, .stack img, .gallery img { height: 220px; }
}