/* ============================== 
 SHARED STYLES
============================== */

/* ==============================
 TYPOGRAPHY SYSTEM
============================== */
/* Three-font system for clarity and hierarchy:
   - Bebas Neue (400): Display text, large headings (1.6rem—10rem)
   - IBM Plex Mono (600-700): Labels, navigation, monospace (0.65rem—0.75rem)
   - DM Sans (300-400): Body text, values, subtitles (1rem—1.05rem)
*/

/* ==============================
 VARIABLES & RESET
============================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --green-dark: #003146;
    --green-light: #014a59;
    --red-dark: #6d173c;
    --red-light: #792c4d;
    --accent-primary: #792c4d;
    --accent-secondary: #014a59;
    --text-primary: #ffffff;
    --text-muted: rgba(255, 255, 255, 0.75);
    --text-faint: rgba(255, 255, 255, 0.55);
}

/* ============================== 
 BODY & BACKGROUND
============================== */
body {
    background:
        radial-gradient(circle at 20% 20%, rgba(121, 44, 77, 0.2) 0%, transparent 35%),
        radial-gradient(circle at 80% 15%, rgba(1, 74, 89, 0.55) 0%, transparent 40%),
        radial-gradient(circle at 50% 50%, rgba(0, 49, 70, 0.45) 0%, transparent 30%),
        radial-gradient(circle at 15% 85%, rgba(109, 23, 60, 0.2) 0%, transparent 38%),
        radial-gradient(circle at 90% 80%, rgba(1, 74, 89, 0.5) 0%, transparent 45%),
        radial-gradient(circle at 70% 90%, rgba(121, 44, 77, 0.15) 0%, transparent 40%),
        repeating-linear-gradient(
            45deg,
            transparent,
            transparent 60px,
            rgba(1, 74, 89, 0.18) 60px,
            rgba(1, 74, 89, 0.18) 120px
        ),
        repeating-linear-gradient(
            -45deg,
            transparent,
            transparent 60px,
            rgba(121, 44, 77, 0.18) 60px,
            rgba(121, 44, 77, 0.18) 120px
        ),
        linear-gradient(135deg, #122436 0%, #0d2030 25%, #0f3a50 60%, #162f42 100%);
    margin: 0;
    font-family: 'DM Sans', sans-serif;
    color: var(--text-primary);
    overflow-x: hidden;
}

/* ============================== 
 HEADER
============================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 3rem;
    background: linear-gradient(90deg, rgba(109, 23, 60, 0.95) 0%, rgba(121, 44, 77, 0.92) 100%);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(121, 44, 77, 0.35);
    z-index: 100;
}

.logo {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    color: var(--text-primary);
    text-decoration: none;
    text-transform: uppercase;
}

.nav {
    display: flex;
    gap: 2.5rem;
}

.nav a {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.3s;
    text-transform: uppercase;
}

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

.header-social {
    display: flex;
    align-items: center;
    color: var(--text-muted);
    transition: color 0.3s;
}

.header-social:hover {
    color: var(--text-primary);
}

.header-social svg {
    width: 16px;
    height: 16px;
    fill: currentColor;
}

/* ==============================
 PAGE HERO (shared across subpages)
============================== */
.page-hero {
    padding: 8rem 3rem 4rem;
    text-align: center;
    position: relative;
}

.page-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 50% 30%, rgba(121, 44, 77, 0.2) 0%, transparent 50%);
    pointer-events: none;
}

.page-hero-content {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.page-title {
    font-family: 'Bebas Neue', sans-serif;
    font-size: clamp(4rem, 10vw, 8rem);
    line-height: 0.88;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
    font-weight: 400;
}

.page-subtitle {
    font-family: 'DM Sans', sans-serif;
    font-size: 1.05rem;
    line-height: 1.75;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
    font-weight: 300;
}

/* ==============================
 MENU TOGGLE (hamburger)
============================== */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.25rem;
    z-index: 101;
}

.menu-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--text-primary);
    transition: transform 0.3s, opacity 0.3s;
}

.menu-toggle span + span {
    margin-top: 5px;
}

.menu-toggle.is-active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.menu-toggle.is-active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.is-active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ==============================
 RESPONSIVE HEADER
============================== */
@media (max-width: 768px) {
    .header {
        padding: 1rem 1.5rem;
    }

    .menu-toggle {
        display: flex;
        flex-direction: column;
    }

    .nav {
        position: fixed;
        top: 0;
        right: 0;
        width: min(280px, 80vw);
        height: 100vh;
        background: rgba(109, 23, 60, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 5rem 2rem 2rem;
        gap: 2rem;
        transform: translateX(100%);
        transition: transform 0.3s ease;
        border-left: 2px solid rgba(255, 255, 255, 0.15);
    }

    .nav.is-open {
        transform: translateX(0);
    }

    .nav a {
        font-size: 0.85rem;
    }

    .page-hero {
        padding: 6rem 1.5rem 3rem;
    }
}