/* KodLab — kod editörü estetiği: gece laciverti zemin, mor + neon yeşil, Space Grotesk başlıklar, JetBrains Mono ayrıntılar */
:root {
    --ink: #120f2b; --text: #474363; --muted: #7d7a98;
    --bg: #ffffff; --bg-alt: #f4f1ff; --line: #e7e3f7; --card: #fff;
    --r: 16px; --r-sm: 10px; --r-lg: 24px; --btn-r: 12px;
    --shadow: 0 1px 2px rgba(18, 15, 43, .05), 0 8px 24px rgba(18, 15, 43, .06); --shadow-lg: 0 30px 70px rgba(18, 15, 43, .25);
    --head: 'Space Grotesk', system-ui, sans-serif; --body: 'DM Sans', system-ui, sans-serif; --mono: 'JetBrains Mono', ui-monospace, monospace; --head-w: 700; --header: 78px;
    --night: #0d0b24; --night-2: #17143a; --neon: #3ef0a1; --pink: #ff5cad;
}
h1 { font-size: clamp(2.4rem, 5vw, 4rem); line-height: 1.02; letter-spacing: -.04em; }
h2, .h2 { letter-spacing: -.03em; }
.kicker { font-family: var(--mono); font-weight: 700; letter-spacing: .02em; text-transform: none; color: var(--primary); }
.kicker::before { content: '// '; opacity: .6; }
.btn { font-weight: 700; }
.btn-accent { color: var(--night); }
.btn-accent:hover { color: var(--night); filter: brightness(1.05); }
.btn-soft { background: var(--bg-alt); color: var(--primary); border-color: transparent; }

/* Menü */
.site-header { background: rgba(255, 255, 255, .92); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.brand-mark { border-radius: 12px; background: linear-gradient(135deg, var(--primary), var(--pink)); }
.brand-text strong { font-family: var(--head); letter-spacing: -.04em; font-size: 1.55rem; }
.brand-text small { font-family: var(--mono); color: var(--primary); letter-spacing: 0; text-transform: none; }
.nav-list > li > a.on { color: var(--primary); }
.nav-cta { background: var(--accent); color: var(--night); }
.nav-cta:hover { color: var(--night); }

/* Üst bölüm */
.hero { position: relative; padding: 72px 0 104px; background: var(--night); color: rgba(255, 255, 255, .8); overflow: hidden; }
.hero::before { content: ''; position: absolute; inset: 0; background-image: linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px); background-size: 44px 44px; -webkit-mask: radial-gradient(ellipse at 70% 40%, #000 20%, transparent 75%); mask: radial-gradient(ellipse at 70% 40%, #000 20%, transparent 75%); }
.hero::after { content: ''; position: absolute; width: 640px; height: 640px; right: -180px; top: -220px; border-radius: 50%; background: radial-gradient(circle, rgba(109, 60, 240, .45), transparent 65%); }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 1.08fr; gap: 64px; align-items: center; }
.hero-eyebrow { display: inline-flex; align-items: center; gap: 10px; margin-bottom: 22px; padding: 8px 14px; border-radius: 10px; background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .1); font-family: var(--mono); font-size: .85rem; color: rgba(255, 255, 255, .85); }
.prompt { color: var(--neon); font-weight: 700; }
.hero h1 { color: #fff; }
.hero .lead { color: rgba(255, 255, 255, .72); font-size: 1.12rem; }
.hero-visual { position: relative; padding: 0 0 70px 40px; }
.hv-img { margin: 0; border-radius: var(--r-lg); overflow: hidden; aspect-ratio: 16 / 11; box-shadow: var(--shadow-lg); border: 1px solid rgba(255, 255, 255, .12); }
.hv-img img { width: 100%; height: 100%; object-fit: cover; }
.code-win { position: absolute; left: 0; bottom: 0; width: min(390px, 78%); border-radius: 14px; background: #161334; border: 1px solid rgba(255, 255, 255, .12); box-shadow: var(--shadow-lg); overflow: hidden; }
.cw-bar { display: flex; align-items: center; gap: 6px; padding: 10px 14px; background: rgba(255, 255, 255, .05); border-bottom: 1px solid rgba(255, 255, 255, .08); }
.cw-bar i { width: 10px; height: 10px; border-radius: 50%; background: #ff5f57; }
.cw-bar i:nth-child(2) { background: #febc2e; } .cw-bar i:nth-child(3) { background: #28c840; }
.cw-bar span { margin-left: 8px; font-family: var(--mono); font-size: .75rem; color: rgba(255, 255, 255, .55); }
.cw-code { padding: 14px 16px 16px; font-family: var(--mono); font-size: .8rem; line-height: 1.75; color: #e8e6ff; overflow: hidden; }
.cw-code .row { white-space: pre; }
.code-win .ln { display: inline-block; width: 22px; margin-right: 10px; color: rgba(255, 255, 255, .25); text-align: right; user-select: none; }
.code-win .k { color: #c792ff; } .code-win .s { color: var(--neon); } .code-win .n { color: #ffb86b; } .code-win .f { color: #6fc3ff; } .code-win .c { color: rgba(255, 255, 255, .4); font-style: italic; }
.caret { display: inline-block; width: 8px; height: 15px; background: var(--neon); vertical-align: -2px; animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .caret { animation: none; } }
.hv-chip { position: absolute; right: -12px; top: 26px; display: inline-flex; align-items: center; gap: 8px; padding: 10px 16px; border-radius: 12px; background: var(--accent); color: var(--night); font-weight: 700; font-size: .9rem; box-shadow: 0 14px 30px rgba(18, 201, 126, .35); }
.hv-chip b { font-family: var(--head); font-size: 1.1rem; }

/* Rakamlar */
.code-stats { background: var(--night-2); border-top: 1px solid rgba(255, 255, 255, .08); }
.code-stats .stat-item strong { font-family: var(--mono); color: var(--neon); letter-spacing: -.03em; }
.code-stats .stat-item span { color: rgba(255, 255, 255, .7); }

/* Yaş yolları */
.tracks { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; position: relative; }
.tracks::before { content: ''; position: absolute; left: 0; right: 0; top: 27px; height: 2px; background: repeating-linear-gradient(90deg, var(--primary) 0 10px, transparent 10px 18px); opacity: .35; }
.tracks li { position: relative; padding: 0 28px 0 0; }
.tr-step { position: relative; display: grid; place-items: center; width: 56px; height: 56px; margin-bottom: 22px; border-radius: 16px; background: var(--primary); color: #fff; font-family: var(--mono); font-weight: 700; font-size: 1.05rem; box-shadow: 0 0 0 8px #fff; }
.tr-1 .tr-step { background: var(--pink); } .tr-2 .tr-step { background: var(--accent); color: var(--night); }
.tr-age { display: inline-block; margin-bottom: 6px; font-family: var(--mono); font-size: .85rem; font-weight: 700; color: var(--primary); }
.tracks h3 { font-size: 1.6rem; margin-bottom: 10px; }
.tracks p { color: var(--muted); margin-bottom: 18px; }
.tr-courses { display: flex; flex-wrap: wrap; gap: 8px; }
.tr-courses a, .tr-courses span { display: inline-flex; align-items: center; gap: 6px; padding: 7px 12px; border-radius: 10px; background: var(--bg-alt); color: var(--ink); font-size: .85rem; font-weight: 700; transition: .2s; }
.tr-courses a:hover { background: var(--primary); color: #fff; }

/* Kartlar */
.svc-sec.alt { background: var(--bg-alt); }
.card { border-radius: var(--r); border: 1px solid var(--line); }
.card:hover { border-color: color-mix(in srgb, var(--primary) 40%, var(--line)); }
.c-ic { background: var(--night); color: var(--neon); border-radius: 12px; }
.c-role { color: var(--primary); font-family: var(--mono); font-size: .82rem; }
.team-card .c-media { aspect-ratio: 4 / 5; }
.c-tags li { font-family: var(--mono); font-size: .72rem; }
.quote-card { border-radius: var(--r); }
.q-ic { color: var(--primary); }
.about-media img { border-radius: var(--r-lg); }
.about-badge { background: var(--accent); color: var(--night); border-radius: 16px; }
.about-badge strong { font-family: var(--mono); }
.tick-list li > span { background: var(--accent); color: var(--night); }
.faq[open] summary i { background: var(--primary); }
.form-card { border-radius: var(--r-lg); border: 1px solid var(--line); box-shadow: 0 0 0 6px var(--bg-alt); }

/* İç sayfalar */
.page-hero { background: var(--night); background-image: linear-gradient(rgba(255, 255, 255, .04) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .04) 1px, transparent 1px); background-size: 40px 40px; }
.page-hero h1 { color: #fff; }
.page-hero .lead { color: rgba(255, 255, 255, .72); }
.crumbs a { color: rgba(255, 255, 255, .6); font-family: var(--mono); font-size: .82rem; }
.crumbs [aria-current] { color: var(--neon); font-family: var(--mono); font-size: .82rem; }
.ph-deco { color: rgba(109, 60, 240, .5); }
.cta-band { background: var(--primary); }
.cta-band.has-img::before { background: linear-gradient(90deg, rgba(13, 11, 36, .95), rgba(109, 60, 240, .75)); }
.cta-band .btn-accent { color: var(--night); }
.site-footer { background: var(--night); }
.float-bar .fb-main { background: var(--primary); }

@media (max-width: 960px) {
    .hero-grid { grid-template-columns: 1fr; gap: 48px; }
    .hero-visual { max-width: 620px; width: 100%; margin: 0 auto; }
    .tracks { grid-template-columns: 1fr; gap: 36px; }
    .tracks::before { left: 27px; right: auto; top: 0; bottom: 0; width: 2px; height: auto; background: repeating-linear-gradient(180deg, var(--primary) 0 10px, transparent 10px 18px); }
    .tracks li { padding: 0 0 0 80px; }
    .tr-step { position: absolute; left: 0; top: 0; }
}
@media (max-width: 640px) {
    .hero { padding: 40px 0 72px; }
    .hero-actions .btn { width: 100%; }
    .hero-visual { padding: 0; }
    .code-win { position: relative; width: 92%; margin: -48px 0 0 4%; }
    .cw-code { font-size: .68rem; }
    .hv-chip { right: 8px; top: -18px; }
    .tracks li { padding-left: 70px; }
    .tr-step { width: 48px; height: 48px; }
    .tracks::before { left: 23px; }
}