/* ══════════════════════════════════════════════════════════════
   STYLES.CSS  — index.html için tüm stiller
   unsafe-inline CSP direktifini kaldırmak için
   inline <style> bloğu buraya taşındı.
   ══════════════════════════════════════════════════════════════ */

/* ── INTRO ───────────────────────────────────────────────── */
#intro-overlay {
    position: fixed; inset: 0; z-index: 99999;
    background: #000; overflow: hidden;
}
#intro-bg-video {
    position: absolute; inset: 0;
    width: 100%; height: 100%;
    object-fit: cover;
    filter: blur(5px);
    transform: scale(1.1);
    opacity: 1;
    display: block;
}
#intro-video {
    position: absolute; inset: 0;
    width: 100%; height: 100%;
    object-fit: contain; opacity: 0; display: block;
}
#intro-black {
    position: absolute; inset: 0; z-index: 2;
    background: #000; opacity: 1; pointer-events: none;
}

/* ── SITE WRAPPER ────────────────────────────────────────── */
#site-wrapper { opacity: 0; transition: opacity 1.2s ease; }
#site-wrapper.visible { opacity: 1; }

/* ── GLOBALS ─────────────────────────────────────────────── */
:root {
    --bg:           #050507;
    --accent:       #818cf8;
    --accent-glow:  rgba(129, 140, 248, 0.55);
    --glass:        rgba(255, 255, 255, 0.025);
    --glass-mid:    rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.08);
    --text-muted:   rgba(255, 255, 255, 0.45);
    --text-dim:     rgba(255, 255, 255, 0.22);
    --card-accent:  var(--accent);
}

*, *::before, *::after {
    margin: 0; padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}
html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    html { scroll-behavior: auto; }
}

body {
    background-color: var(--bg);
    color: #fff;
    font-family: 'Outfit', sans-serif;
    overflow-x: hidden;
    width: 100%;
}

/* ── BACKGROUND LAYERS ───────────────────────────────────── */
.noise-overlay {
    position: fixed; inset: 0; pointer-events: none;
    z-index: 900; opacity: 0.05;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.99' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.vignette {
    position: fixed; inset: 0; pointer-events: none; z-index: 899;
    background: radial-gradient(ellipse at center, transparent 35%, rgba(0,0,0,0.9) 100%);
}
#cosmos { position: fixed; inset: 0; z-index: -1; }

/* ── NAVIGATION ──────────────────────────────────────────── */
nav {
    position: fixed; top: 0; width: 100%;
    padding: 2.2rem 4rem;
    display: flex; justify-content: space-between; align-items: center;
    z-index: 100;
    transition: padding 0.35s ease, background 0.4s ease, border-color 0.4s ease;
    border-bottom: 1px solid transparent;
}
nav.scrolled {
    padding: 1.1rem 4rem;
    background: rgba(5,5,7,0.72);
    backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px);
    border-bottom-color: rgba(255,255,255,0.05);
}
.brand {
    font-family: 'Space Mono', monospace;
    font-weight: 700; font-size: 0.95rem; letter-spacing: 3px;
    color: #fff; text-decoration: none; position: relative;
}
.brand::after {
    content: ''; position: absolute; bottom: -5px; left: 0;
    width: 100%; height: 1px;
    background: linear-gradient(90deg, var(--accent), transparent);
    transform: scaleX(0); transform-origin: left;
    transition: transform 0.3s ease;
}
.brand:hover::after { transform: scaleX(1); }

/* ── SOCIAL ICONS ────────────────────────────────────────── */
.nav-social { display: flex; align-items: center; gap: 1.2rem; }
.nav-social a {
    display: flex; align-items: center; justify-content: center;
    width: 36px; height: 36px;
    color: rgba(255,255,255,0.4); text-decoration: none;
    transition: color 0.2s, transform 0.2s;
}
.nav-social a:hover,
.nav-social a:focus-visible { color: var(--accent); transform: translateY(-2px); outline: none; }
.nav-social svg { width: 18px; height: 18px; fill: currentColor; }

/* ── MAIL BUTTON ─────────────────────────────────────────── */
.mail-btn {
    position: relative;
    display: flex; align-items: center; justify-content: center;
    width: 36px; height: 36px;
    color: rgba(255,255,255,0.4); cursor: pointer;
    transition: color 0.2s, transform 0.2s;
    user-select: none; -webkit-user-select: none;
}
.mail-btn svg { width: 18px; height: 18px; fill: currentColor; pointer-events: none; }
.mail-btn:hover { color: var(--accent); transform: translateY(-2px); }
.mail-btn.open  { color: var(--accent); }
.mail-tooltip {
    position: absolute; top: calc(100% + 10px); right: 0;
    background: rgba(5,5,7,0.97); border: 1px solid var(--accent);
    color: #fff; font-family: 'Space Mono', monospace;
    font-size: 0.72rem; letter-spacing: 0.5px; white-space: nowrap;
    padding: 0.45rem 0.85rem; border-radius: 3px;
    box-shadow: 0 0 14px rgba(129,140,248,0.15);
    user-select: text; -webkit-user-select: text;
    opacity: 0; pointer-events: none; transform: translateY(-4px);
    transition: opacity 0.2s ease, transform 0.2s ease;
}
.mail-tooltip::before {
    content: ''; position: absolute; bottom: 100%; right: 10px;
    border: 5px solid transparent; border-bottom-color: var(--accent);
}
.mail-btn.open .mail-tooltip { opacity: 1; transform: translateY(0); pointer-events: auto; }

/* ── LAYOUT ──────────────────────────────────────────────── */
main { position: relative; z-index: 10; }
section {
    min-height: 100vh; min-height: 100dvh;
    display: flex; flex-direction: column;
    justify-content: center; align-items: center;
    padding: 2rem;
}

/* ── HERO ────────────────────────────────────────────────── */
.hero-wrapper {
    text-align: center; position: relative;
    width: 100%; max-width: 800px;
    padding: 4rem 2rem;
    display: flex; flex-direction: column;
    align-items: center; gap: 1.6rem;
}
h1 {
    font-family: 'Space Mono', monospace;
    font-size: clamp(3rem, 8vw, 6.5rem);
    line-height: 1.0; font-weight: 700; letter-spacing: -4px; color: #fff;
    text-shadow: 0 0 60px rgba(129,140,248,0.12), 0 0 120px rgba(129,140,248,0.05);
    opacity: 0; animation: fadeInUp 0.9s 0.4s forwards;
}
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
}
.hero-tags {
    display: flex; align-items: center; gap: 0.8rem;
    flex-wrap: wrap; justify-content: center;
    opacity: 0; animation: fadeInUp 0.8s 0.6s forwards;
}
.hero-tag {
    font-family: 'Space Mono', monospace;
    font-size: 0.62rem; letter-spacing: 3px;
    color: var(--text-muted); text-transform: uppercase;
    padding: 0.3rem 0.8rem; border: 1px solid rgba(255,255,255,0.1);
    border-radius: 2px; transition: border-color 0.3s, color 0.3s;
}
.hero-tag:hover { border-color: var(--accent); color: var(--accent); }
.hero-sep { color: var(--accent); opacity: 0.3; font-size: 0.7rem; }
.hero-bio {
    font-family: 'Outfit', sans-serif; font-weight: 200;
    font-size: 1rem; letter-spacing: 0.5px;
    color: rgba(255,255,255,0.42); max-width: 460px; line-height: 1.85;
    opacity: 0; animation: fadeInUp 0.8s 0.75s forwards;
}
.hero-cta {
    display: flex; align-items: center; gap: 1.5rem;
    opacity: 0; animation: fadeInUp 0.8s 0.9s forwards;
}
.btn-cyber {
    padding: 1rem 2.8rem; background: transparent;
    border: 1px solid var(--accent); color: var(--accent);
    font-family: 'Space Mono', monospace; font-size: 0.78rem; letter-spacing: 2px;
    text-decoration: none; display: inline-flex; align-items: center;
    cursor: pointer; position: relative; overflow: hidden;
    transition: color 0.3s, box-shadow 0.3s, transform 0.2s;
    clip-path: polygon(10% 0, 100% 0, 100% 70%, 90% 100%, 0 100%, 0 30%);
}
.btn-cyber::before {
    content: ''; position: absolute; inset: 0;
    background: var(--accent); transform: translateX(-102%);
    transition: transform 0.3s ease; z-index: -1;
}
.btn-cyber:hover::before,
.btn-cyber:focus-visible::before { transform: translateX(0); }
.btn-cyber:hover,
.btn-cyber:focus-visible {
    color: #000; box-shadow: 0 0 40px var(--accent-glow);
    outline: none; transform: translateY(-1px);
}

/* ── SECTION DIVIDER ─────────────────────────────────────── */
.section-divider {
    position: relative; z-index: 10;
    display: flex; align-items: center; gap: 2.5rem;
    width: 80%; max-width: 1400px; margin: 0 auto; padding: 0 0 4rem;
}
.divider-line {
    flex: 1; height: 1px;
    background: linear-gradient(90deg, transparent, rgba(129,140,248,0.18), transparent);
}
.divider-label {
    font-family: 'Space Mono', monospace;
    font-size: 0.6rem; letter-spacing: 5px;
    color: var(--accent); opacity: 0.45; white-space: nowrap;
}

/* ── WORK SECTION ────────────────────────────────────────── */
#work { min-height: auto; padding-top: 0; padding-bottom: 8rem; align-items: center; }
.section-header {
    width: 80%; max-width: 1400px; margin-bottom: 2.5rem;
    display: flex; align-items: baseline; gap: 1.5rem;
}
.section-title {
    font-family: 'Space Mono', monospace;
    font-size: 0.7rem; letter-spacing: 5px;
    color: var(--accent); opacity: 0.75; text-transform: uppercase;
}
.repo-count {
    font-family: 'Space Mono', monospace;
    font-size: 0.65rem; color: var(--text-dim);
}
.projects-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
    gap: 1.2rem; width: 80%; max-width: 1400px;
}

/* ── LOADING SKELETON ────────────────────────────────────── */
.loading-card {
    background: var(--glass); border: 1px solid var(--glass-border);
    padding: 2.5rem; border-radius: 4px;
    position: relative; overflow: hidden;
}
.loading-card::after {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(90deg, transparent 0%, rgba(129,140,248,0.04) 50%, transparent 100%);
    animation: shimmer 1.5s infinite;
}
@keyframes shimmer {
    from { transform: translateX(-100%); }
    to   { transform: translateX(100%); }
}
.loading-line { height: 10px; background: rgba(255,255,255,0.05); border-radius: 2px; margin-bottom: 1rem; }
.loading-line.short { width: 55%; }
.loading-line.long  { width: 88%; }

/* ── ERROR CARD ──────────────────────────────────────────── */
.error-card {
    background: var(--glass); border: 1px solid rgba(255,80,80,0.3);
    padding: 3rem; border-radius: 4px;
    grid-column: 1 / -1; text-align: center;
}
.error-card h3 { font-family: 'Space Mono', monospace; color: rgba(255,80,80,0.8); margin-bottom: 0.5rem; }
.error-card p  { color: #888; font-size: 0.9rem; line-height: 1.8; }
.error-card a  { color: var(--accent); }
.retry-btn {
    margin-top: 1.5rem; display: inline-block;
    padding: 0.6rem 1.5rem;
    border: 1px solid rgba(255,80,80,0.4); color: rgba(255,80,80,0.8);
    font-family: 'Space Mono', monospace; font-size: 0.75rem; letter-spacing: 1px;
    cursor: pointer; background: transparent; border-radius: 2px;
    transition: background 0.2s, color 0.2s;
}
.retry-btn:hover { background: rgba(255,80,80,0.1); }

/* ── PROJECT CARD ────────────────────────────────────────── */
.card {
    background: var(--glass); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border); padding: 2.2rem 2.2rem 1.8rem;
    position: relative; overflow: hidden; display: block;
    text-decoration: none; cursor: pointer; border-radius: 4px;
    opacity: 0; transform: translateY(24px);
    transition: transform 0.15s ease, border-color 0.3s ease,
                background 0.3s ease, box-shadow 0.3s ease, opacity 0.5s ease;
}
.card.visible { opacity: 1; transform: translateY(0); }
.card::before {
    content: ''; position: absolute; top: 0; left: 0;
    width: 2px; height: 100%;
    background: var(--card-accent, var(--accent));
    transform: scaleY(0); transition: transform 0.4s ease; transform-origin: bottom;
}
.card::after {
    content: ''; position: absolute; top: 0; left: 0;
    width: 100%; height: 1px;
    background: linear-gradient(90deg, transparent 0%, var(--card-accent, var(--accent)) 50%, transparent 100%);
    opacity: 0; transition: opacity 0.4s ease;
}
@media (hover: hover) {
    .card:hover { border-color: rgba(255,255,255,0.14); background: var(--glass-mid); box-shadow: 0 12px 48px rgba(0,0,0,0.45); }
    .card:hover::before { transform: scaleY(1); }
    .card:hover::after  { opacity: 0.9; }
}
.card:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
.card-num {
    position: absolute; top: 1.3rem; right: 1.5rem;
    font-family: 'Space Mono', monospace; font-size: 0.58rem;
    letter-spacing: 2px; color: var(--text-dim);
}
.card h3 {
    font-family: 'Space Mono', monospace; font-size: 1.25rem;
    margin-bottom: 0.8rem; color: #fff;
    overflow-wrap: break-word; word-break: break-word;
    line-height: 1.35; padding-right: 2.5rem;
}
.card p { color: rgba(255,255,255,0.48); font-size: 0.88rem; line-height: 1.75; overflow-wrap: break-word; }
.card-meta {
    display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 1.6rem;
    font-family: 'Space Mono', monospace; font-size: 0.68rem;
    color: var(--text-muted); align-items: center;
    padding-top: 1.2rem; border-top: 1px solid rgba(255,255,255,0.05);
}
.card-meta span { display: flex; align-items: center; gap: 0.3rem; }
.lang-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--card-accent, var(--accent)); flex-shrink: 0; }
.meta-date { margin-left: auto; opacity: 0.35; font-size: 0.62rem; }
.card.featured { border-color: rgba(129,140,248,0.13); background: rgba(129,140,248,0.018); }
.card-badge {
    position: absolute; top: 1.15rem; right: 1.4rem;
    font-family: 'Space Mono', monospace; font-size: 0.52rem;
    letter-spacing: 2.5px; color: var(--accent); opacity: 0.65;
    border: 1px solid rgba(129,140,248,0.25); padding: 0.18rem 0.45rem; border-radius: 2px;
}
.card-no-desc { font-style: italic; opacity: 0.35; }

/* ── ABOUT PANEL ─────────────────────────────────────────── */
.about-panel {
    width: 80%; max-width: 1400px;
    display: flex; align-items: center;
    justify-content: space-between; gap: 3rem; flex-wrap: wrap;
    padding: 2.6rem 3rem; margin-bottom: 2.5rem;
    border: 1px solid rgba(255,255,255,0.06);
    border-left: 2px solid var(--accent);
    background: rgba(129,140,248,0.022); border-radius: 4px;
    opacity: 0; transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.about-panel.visible { opacity: 1; transform: translateY(0); }
.about-left  { display: flex; flex-direction: column; gap: 0.55rem; }
.about-name  { font-family: 'Space Mono', monospace; font-size: 1.3rem; font-weight: 700; color: #fff; letter-spacing: -0.5px; }
.about-role  { font-family: 'Space Mono', monospace; font-size: 0.68rem; letter-spacing: 3px; color: var(--accent); opacity: 0.8; text-transform: uppercase; }
.about-sep   { flex: none; width: 1px; height: 52px; background: linear-gradient(to bottom, transparent, rgba(129,140,248,0.25), transparent); }
.about-right { display: flex; align-items: center; gap: 2.8rem; flex-wrap: wrap; }
.about-stat  { display: flex; flex-direction: column; gap: 0.3rem; }
.about-stat-label { font-family: 'Space Mono', monospace; font-size: 0.55rem; letter-spacing: 3px; color: var(--text-dim); text-transform: uppercase; }
.about-stat-value { font-family: 'Outfit', sans-serif; font-size: 0.95rem; font-weight: 400; color: rgba(255,255,255,0.72); }

/* ── FOOTER ──────────────────────────────────────────────── */
footer {
    position: relative; z-index: 10;
    display: flex; justify-content: space-between; align-items: center;
    padding: 2rem 4rem 2.5rem;
    border-top: 1px solid rgba(255,255,255,0.04);
}
.footer-brand { font-family: 'Space Mono', monospace; font-size: 0.6rem; letter-spacing: 3px; color: var(--text-dim); }
.footer-copy  { font-family: 'Space Mono', monospace; font-size: 0.58rem; letter-spacing: 1px; color: var(--text-dim); }
.back-top {
    display: flex; align-items: center; gap: 0.4rem;
    font-family: 'Space Mono', monospace; font-size: 0.6rem; letter-spacing: 2px;
    color: var(--text-dim); cursor: pointer; text-decoration: none;
    transition: color 0.2s;
}
.back-top:hover { color: var(--accent); }
.back-top-arrow { display: inline-block; transition: transform 0.25s; }
.back-top:hover .back-top-arrow { transform: translateY(-3px); }

/* ── MOBILE ──────────────────────────────────────────────── */
@media (max-width: 768px) {
    .noise-overlay { display: none; }
    nav {
        padding: 1rem 1.4rem;
        background: rgba(5,5,7,0.75);
        backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
        border-bottom: 1px solid rgba(255,255,255,0.05);
    }
    nav.scrolled { padding: 0.85rem 1.4rem; }
    .nav-social { gap: 0.8rem; }
    .nav-social a, .mail-btn { width: 32px; height: 32px; }
    .nav-social svg, .mail-btn svg { width: 16px; height: 16px; }
    .mail-tooltip { font-size: 0.62rem; }
    .hero-wrapper { padding: 3rem 1rem; gap: 1.2rem; }
    h1 { font-size: clamp(2.2rem, 14vw, 3.8rem); letter-spacing: -2px; }
    .hero-tags { gap: 0.4rem; }
    .hero-tag { font-size: 0.55rem; padding: 0.25rem 0.6rem; }
    .hero-sep { display: none; }
    .hero-bio { font-size: 0.88rem; }
    .hero-cta { gap: 1rem; }
    .btn-cyber { padding: 0.85rem 2rem; font-size: 0.72rem; letter-spacing: 1.5px; }
    .section-divider { width: 92%; padding: 0 0 2.5rem; gap: 1.5rem; }
    .section-header, .projects-container { width: 92%; }
    .projects-container { grid-template-columns: 1fr; gap: 0.8rem; }
    .card { padding: 1.8rem; }
    .card h3 { font-size: 1.1rem; }
    .about-panel { width: 92%; flex-direction: column; align-items: flex-start; gap: 1.6rem; padding: 1.8rem; margin-bottom: 1.5rem; }
    .about-sep { display: none; }
    .about-right { gap: 1.8rem; }
    footer { flex-direction: column; gap: 0.8rem; padding: 1.5rem; text-align: center; }
}