/* ═══════════════════════════════════════════════
   ALICAN DOLUNAY — GLOBAL STYLESHEET
   Design: Bold Editorial Tech
   ═══════════════════════════════════════════════ */

/* ─── RESET ─── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }

/* ─── TOKENS ─── */
:root {
    --black:     #050507;
    --black-2:   #0a0a0f;
    --black-3:   #111118;
    --white:     #f4f4f6;
    --white-dim: rgba(244,244,246,0.55);
    --white-faint: rgba(244,244,246,0.18);

    --accent:    #c9a84c;      /* gold */
    --accent-2:  #e2c676;      /* light gold */
    --accent-3:  #f3dd9b;      /* paler gold */
    --accent-glow: rgba(201,168,76,0.22);

    --border:    rgba(255,255,255,0.07);
    --border-lit: rgba(201,168,76,0.35);

    --font-head: 'Syne', system-ui, sans-serif;
    --font-body: 'DM Sans', system-ui, sans-serif;
    --font-mono: 'DM Sans', system-ui, sans-serif;

    --ease: cubic-bezier(0.16, 1, 0.3, 1);
    --trans: 0.35s var(--ease);

    --hdr: 72px;
}

/* ─── BASE ─── */
body {
    background: var(--black);
    color: var(--white);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { font-family: inherit; cursor: pointer; }

/* ─── NOISE ─── */
.noise {
    position: fixed; inset: 0; pointer-events: none; z-index: 999;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
    opacity: 0.5;
}

/* ─── HEADER ─── */
header {
    position: fixed; top: 0; left: 0; right: 0;
    height: var(--hdr);
    display: flex; align-items: center;
    padding: 0 2.5rem;
    justify-content: space-between;
    z-index: 500;
    transition: background var(--trans), border-color var(--trans);
    border-bottom: 1px solid transparent;
}
header.scrolled {
    background: rgba(5,5,7,0.92);
    backdrop-filter: blur(20px) saturate(180%);
    border-color: var(--border);
}
.header-logo {
    display: flex; align-items: center; gap: 0.5rem;
    font-family: var(--font-head); font-size: 1.05rem; font-weight: 800;
    letter-spacing: 0.05em; color: var(--white);
}
.logo-dot {
    width: 7px; height: 7px; border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 10px var(--accent);
    animation: dotPulse 2.5s ease infinite;
}
@keyframes dotPulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(0.75); }
}
.header-nav {
    display: flex; align-items: center; gap: 0.25rem;
}
.nav-link {
    font-family: var(--font-body); font-size: 0.84rem; font-weight: 500;
    color: var(--white-dim); padding: 0.4rem 0.9rem; border-radius: 6px;
    transition: color var(--trans), background var(--trans);
    letter-spacing: 0.01em;
}
.nav-link:hover { color: var(--white); background: var(--white-faint); }
.nav-link.active { color: var(--white); background: var(--white-faint); }

.header-cta {
    font-family: var(--font-head); font-size: 0.78rem; font-weight: 700;
    letter-spacing: 0.06em; text-transform: uppercase;
    background: var(--accent); color: #fff;
    padding: 0.55rem 1.3rem; border-radius: 6px;
    transition: all var(--trans);
    box-shadow: 0 0 0 0 var(--accent-glow);
}
.header-cta:hover {
    background: var(--accent-2);
    box-shadow: 0 0 0 6px var(--accent-glow);
    transform: translateY(-1px);
}

/* Hamburger */
.hamburger {
    display: none; flex-direction: column; gap: 6px;
    width: 32px; padding: 4px; background: none; border: none;
    z-index: 600;
}
.hamburger span {
    display: block; height: 1.5px; border-radius: 2px;
    background: var(--white); transition: all var(--trans);
}
.hamburger span:nth-child(1) { width: 100%; }
.hamburger span:nth-child(2) { width: 65%; }
.hamburger.open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); width: 100%; }
.hamburger.open span:nth-child(2) { transform: translateY(-0px) rotate(-45deg); width: 100%; }

/* ─── MOBILE NAV ─── */
.mobile-nav {
    position: fixed; inset: 0; z-index: 490;
    background: var(--black-2);
    display: flex; flex-direction: column;
    padding: 2rem;
    transform: translateX(100%);
    transition: transform 0.45s var(--ease);
}
.mobile-nav.open { transform: translateX(0); }
.mobile-nav-close {
    position: absolute; top: 1.5rem; right: 1.5rem;
    font-size: 1.3rem; background: none; border: none;
    color: var(--white-dim); transition: color var(--trans);
}
.mobile-nav-close:hover { color: var(--white); }
.mobile-nav-links {
    display: flex; flex-direction: column; gap: 0.5rem;
    margin-top: 5rem;
}
.mobile-nav-links a {
    font-family: var(--font-head); font-size: 2.2rem; font-weight: 700;
    color: var(--white-dim); padding: 0.3rem 0;
    border-bottom: 1px solid var(--border);
    transition: color var(--trans);
}
.mobile-nav-links a:hover, .mobile-nav-links a.active { color: var(--accent); }
.mobile-nav-footer {
    margin-top: auto;
    font-family: var(--font-mono); font-size: 0.78rem; color: var(--white-dim);
}

/* ─── FOOTER ─── */
.site-footer {
    background: var(--black-2);
    border-top: 1px solid var(--border);
    padding: 3rem 2.5rem 2rem;
}
.footer-inner {
    display: flex; align-items: flex-start; gap: 3rem;
    justify-content: space-between; flex-wrap: wrap;
    padding-bottom: 2.5rem; border-bottom: 1px solid var(--border);
    margin-bottom: 1.5rem;
}
.footer-logo {
    font-family: var(--font-head); font-size: 1.1rem; font-weight: 800;
    display: block; margin-bottom: 0.3rem;
}
.footer-sub { font-size: 0.8rem; color: var(--white-dim); }
.footer-links {
    display: flex; flex-direction: column; gap: 0.5rem;
}
.footer-links a {
    font-size: 0.84rem; color: var(--white-dim);
    transition: color var(--trans);
}
.footer-links a:hover { color: var(--accent); }
.footer-right { display: flex; flex-direction: column; gap: 0.8rem; text-align: right; }
.footer-email {
    font-family: var(--font-mono); font-size: 0.82rem; color: var(--accent);
    border-bottom: 1px solid var(--border-lit); padding-bottom: 2px;
    transition: color var(--trans);
}
.footer-email:hover { color: var(--accent-2); }
.footer-social-link {
    font-size: 0.78rem; color: var(--white-dim); transition: color var(--trans);
}
.footer-social-link:hover { color: var(--white); }
.footer-bottom {
    display: flex; justify-content: space-between; align-items: center;
    font-size: 0.72rem; color: var(--white-dim); opacity: 0.5;
    flex-wrap: wrap; gap: 0.5rem;
}
.footer-tagline { font-family: var(--font-mono); }

/* ─── SHARED ELEMENTS ─── */
.container { max-width: 1240px; margin: 0 auto; padding: 0 2.5rem; }
.section-pt { padding-top: calc(var(--hdr) + 5rem); }

/* TAGS */
.tag {
    display: inline-flex; align-items: center; gap: 0.4rem;
    font-family: var(--font-mono); font-size: 0.68rem; font-weight: 500;
    letter-spacing: 0.06em; text-transform: uppercase;
    border: 1px solid var(--border); color: var(--white-dim);
    padding: 0.3rem 0.75rem; border-radius: 100px;
    background: var(--black-3);
}
.tag.accent { border-color: var(--border-lit); color: var(--accent); background: rgba(201,168,76,0.07); }

/* SECTION EYEBROW */
.eyebrow {
    font-family: var(--font-mono); font-size: 0.72rem; font-weight: 500;
    letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent);
    display: flex; align-items: center; gap: 0.75rem; margin-bottom: 1rem;
}
.eyebrow::before { content: ''; display: block; width: 24px; height: 1px; background: var(--accent); }

/* HEADINGS */
.h-display {
    font-family: var(--font-head); font-weight: 800;
    line-height: 1.03; letter-spacing: -0.03em;
    font-size: clamp(3rem, 7vw, 6.5rem);
}
.h-section {
    font-family: var(--font-head); font-weight: 700;
    line-height: 1.1; letter-spacing: -0.025em;
    font-size: clamp(2rem, 4.5vw, 3.8rem);
}
.h-card {
    font-family: var(--font-head); font-weight: 700;
    font-size: 1.5rem; letter-spacing: -0.02em; line-height: 1.2;
}
.text-accent { color: var(--accent); }
.text-dim { color: var(--white-dim); }

/* BUTTONS */
.btn {
    display: inline-flex; align-items: center; gap: 0.5rem;
    font-family: var(--font-head); font-size: 0.82rem; font-weight: 700;
    letter-spacing: 0.05em; text-transform: uppercase;
    padding: 0.9rem 1.8rem; border-radius: 8px;
    transition: all var(--trans); border: none; cursor: pointer;
}
.btn-fill {
    background: var(--accent); color: #fff;
    box-shadow: 0 0 0 0 var(--accent-glow);
}
.btn-fill:hover {
    background: var(--accent-2);
    box-shadow: 0 0 0 5px var(--accent-glow);
    transform: translateY(-2px);
}
.btn-outline {
    background: transparent; color: var(--white);
    border: 1px solid var(--border);
}
.btn-outline:hover {
    border-color: var(--accent); color: var(--accent);
    background: rgba(201,168,76,0.05);
}
.btn-ghost {
    background: transparent; color: var(--white-dim);
    padding-left: 0; padding-right: 0;
}
.btn-ghost:hover { color: var(--accent); }
.btn-ghost .arrow { transition: transform var(--trans); }
.btn-ghost:hover .arrow { transform: translateX(5px); }

/* DIVIDER */
.hr-accent {
    border: none; border-top: 1px solid var(--border);
    margin: 4rem 0;
}

/* REVEAL ANIMATIONS */
[data-reveal] {
    opacity: 0; transform: translateY(30px);
    transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
[data-reveal].revealed { opacity: 1; transform: none; }
[data-reveal][data-delay="100"] { transition-delay: 0.1s; }
[data-reveal][data-delay="200"] { transition-delay: 0.2s; }
[data-reveal][data-delay="300"] { transition-delay: 0.3s; }
[data-reveal][data-delay="400"] { transition-delay: 0.4s; }
[data-reveal][data-delay="500"] { transition-delay: 0.5s; }

/* ─── GRID UTILS ─── */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }

/* ─── GLOW LINE ─── */
.glow-line {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent), var(--accent-2), transparent);
    opacity: 0.4;
}

/* ─── CARD BASE ─── */
.card {
    background: var(--black-3); border: 1px solid var(--border);
    border-radius: 12px; overflow: hidden;
    transition: border-color var(--trans), transform var(--trans), box-shadow var(--trans);
}
.card:hover {
    border-color: var(--border-lit);
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(201,168,76,0.1), 0 0 0 1px rgba(201,168,76,0.08);
}

/* ─── RESPONSIVE ─── */
@media (max-width: 960px) {
    :root { --hdr: 64px; }
    .header-nav, .header-cta { display: none; }
    .hamburger { display: flex; }
    .grid-2, .grid-3 { grid-template-columns: 1fr; }
    .container { padding: 0 1.25rem; }
    header { padding: 0 1.25rem; }
}
@media (max-width: 640px) {
    .h-display { font-size: clamp(2.2rem, 10vw, 3.2rem); }
    .h-section { font-size: clamp(1.6rem, 8vw, 2.2rem); }
    .footer-inner { flex-direction: column; gap: 2rem; }
    .footer-right { text-align: left; }
    .footer-bottom { flex-direction: column; gap: 0.3rem; }
}