/* --------------------------------------------------------------------------
   AVTRIX APPARATUS TRADING FZE - DESIGN SYSTEM (APPLE AESTHETIC)
   -------------------------------------------------------------------------- */

:root {
    --bg-page: #000000;
    --bg-surface: #161617;
    --bg-surface-elevated: #1d1d1f;
    --bg-light: #f5f5f7;
    --text-primary: #f5f5f7;
    --text-dark: #1d1d1f;
    --text-secondary: #86868b;
    --accent-blue: #2997ff;
    --accent-blue-hover: #0077ed;
    --border-subtle: rgba(255, 255, 255, 0.12);
    --glass-bg: rgba(22, 22, 23, 0.82);
    --font-apple: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
    --radius-card: 22px;
    --radius-btn: 980px;
}

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

body {
    font-family: var(--font-apple);
    background-color: var(--bg-page);
    color: var(--text-primary);
    line-height: 1.5;
    letter-spacing: -0.022em;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1040px;
    margin: 0 auto;
    padding: 0 24px;
}

/* NAVIGATION HEADER */
header {
    position: sticky;
    top: 0;
    z-index: 9999;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-subtle);
}

.nav-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 56px;
}

.logo {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: -0.01em;
}

.logo span {
    color: var(--accent-blue);
}

nav ul {
    display: flex;
    list-style: none;
    gap: 32px;
}

nav a {
    text-decoration: none;
    color: var(--text-primary);
    font-size: 13px;
    opacity: 0.7;
    transition: opacity 0.2s ease;
}

nav a:hover, nav a.active {
    opacity: 1.0;
    color: var(--accent-blue);
}

/* BUTTONS & BADGES */
.btn-pill {
    display: inline-block;
    background-color: var(--accent-blue);
    color: #ffffff;
    padding: 10px 22px;
    border-radius: var(--radius-btn);
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
}

.btn-pill:hover {
    background-color: var(--accent-blue-hover);
    transform: scale(1.02);
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.badge {
    display: inline-block;
    padding: 4px 14px;
    border-radius: var(--radius-btn);
    background: rgba(41, 151, 255, 0.15);
    color: var(--accent-blue);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 20px;
}

/* TYPOGRAPHY */
.gradient-text {
    background: linear-gradient(180deg, #ffffff 0%, #86868b 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

h1.hero-title {
    font-size: 58px;
    line-height: 1.07;
    font-weight: 600;
    letter-spacing: -0.015em;
    margin-bottom: 20px;
}

p.hero-subtitle {
    font-size: 21px;
    line-height: 1.35;
    font-weight: 400;
    color: var(--text-secondary);
    max-width: 720px;
    margin-bottom: 36px;
}

.page-intro {
    padding: 90px 0 50px 0;
    text-align: center;
}

.page-intro h1 {
    font-size: 48px;
    font-weight: 600;
}

/* CARDS & GRIDS */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    margin: 40px 0;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 24px;
    margin: 40px 0;
}

.card-dark {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-card);
    overflow: hidden;
    transition: transform 0.3s cubic-bezier(0, 0, 0.2, 1);
}

.card-dark:hover {
    transform: translateY(-3px);
}

.card-body {
    padding: 32px;
}

.card-dark h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.card-dark p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.stock-img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    display: block;
    border-bottom: 1px solid var(--border-subtle);
}

.hero-banner-img {
    width: 100%;
    height: 420px;
    object-fit: cover;
    border-radius: var(--radius-card);
    border: 1px solid var(--border-subtle);
    margin-top: 40px;
}

/* LIGHT SECTION */
.light-section {
    background-color: var(--bg-light);
    color: var(--text-dark);
    padding: 90px 0;
    margin-top: 80px;
}

.light-section h2 {
    font-size: 38px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 16px;
}

/* FOOTER */
footer {
    background-color: var(--bg-page);
    border-top: 1px solid var(--border-subtle);
    padding: 50px 0;
    font-size: 13px;
    color: var(--text-secondary);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 30px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 24px;
    font-size: 12px;
}

@media (max-width: 768px) {
    h1.hero-title { font-size: 38px; }
    p.hero-subtitle { font-size: 17px; }
    .page-intro h1 { font-size: 32px; }
    .hero-banner-img { height: 260px; }
    .grid-2 { grid-template-columns: 1fr; }
    .footer-content { grid-template-columns: 1fr; }
}