/* MarketingOS landing — bağımlılıksız, koyu tema, premium */

:root {
    --bg: #0a0a0f;
    --bg-soft: #101018;
    --surface: rgba(255, 255, 255, 0.035);
    --border: rgba(255, 255, 255, 0.09);
    --text: #ecedf2;
    --muted: #9a9cad;
    --accent: #6d5cff;
    --accent-2: #22d3ee;
    --radius: 16px;
}

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

html { scroll-behavior: smooth; }

body {
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, sans-serif;
    font-size: 17px;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

.container { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.container.narrow { max-width: 780px; }
.center { text-align: center; }

/* ---------- Nav ---------- */
.nav {
    position: sticky; top: 0; z-index: 50;
    backdrop-filter: blur(14px);
    background: rgba(10, 10, 15, 0.72);
    border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; gap: 32px; height: 64px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 17px; color: var(--text); text-decoration: none; }
.logo-mark {
    display: inline-flex; align-items: center; justify-content: center;
    width: 28px; height: 28px; border-radius: 8px; font-size: 15px; font-weight: 800; color: #fff;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
}
.logo-mark-sm { width: 22px; height: 22px; font-size: 12px; border-radius: 6px; }
.nav-links { display: flex; gap: 24px; margin-left: auto; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: 15px; transition: color .2s; }
.nav-links a:hover { color: var(--text); }

/* ---------- Butonlar ---------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, var(--accent), #8b5cf6);
    color: #fff; text-decoration: none; font-weight: 600; font-size: 15px;
    border: none; border-radius: 10px; padding: 10px 20px; cursor: pointer;
    transition: transform .15s ease, box-shadow .15s ease, opacity .15s;
    box-shadow: 0 0 0 1px rgba(255,255,255,.06) inset, 0 8px 24px rgba(109, 92, 255, .25);
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 0 0 1px rgba(255,255,255,.1) inset, 0 12px 32px rgba(109, 92, 255, .35); }
.btn-lg { padding: 14px 28px; font-size: 16px; border-radius: 12px; }
.btn-sm { padding: 8px 16px; font-size: 14px; }
.btn-ghost { background: var(--surface); box-shadow: 0 0 0 1px var(--border) inset; color: var(--text); }
.btn-ghost:hover { box-shadow: 0 0 0 1px rgba(255,255,255,.2) inset; }

/* ---------- Hero ---------- */
.hero { position: relative; padding: 120px 0 96px; text-align: center; overflow: hidden; }
.hero-glow {
    position: absolute; inset: -40% -20% auto; height: 720px; pointer-events: none;
    background:
        radial-gradient(ellipse 46% 42% at 50% 38%, rgba(109, 92, 255, .28), transparent 70%),
        radial-gradient(ellipse 30% 30% at 66% 30%, rgba(34, 211, 238, .14), transparent 70%);
    filter: blur(4px);
}
.hero .container { position: relative; }
.eyebrow {
    display: inline-block; font-size: 13px; font-weight: 600; letter-spacing: .12em;
    text-transform: uppercase; color: var(--accent-2); margin-bottom: 20px;
}
h1 { font-size: clamp(38px, 6vw, 64px); line-height: 1.12; font-weight: 800; letter-spacing: -0.02em; }
.grad {
    background: linear-gradient(100deg, var(--accent) 10%, var(--accent-2) 90%);
    -webkit-background-clip: text; background-clip: text; color: transparent;
}
.lead { max-width: 680px; margin: 28px auto 0; font-size: 19px; color: var(--muted); }
.lead strong { color: var(--text); }
.hero-cta { display: flex; gap: 14px; justify-content: center; margin-top: 40px; flex-wrap: wrap; }
.hero-facts {
    display: flex; gap: 40px; justify-content: center; flex-wrap: wrap;
    margin-top: 64px; list-style: none; color: var(--muted); font-size: 15px;
}
.hero-facts strong { display: block; font-size: 28px; color: var(--text); font-weight: 750; }

/* ---------- Bölümler ---------- */
.section { padding: 88px 0; }
.section h2 { font-size: clamp(28px, 4vw, 40px); line-height: 1.2; font-weight: 750; letter-spacing: -0.015em; margin-bottom: 18px; }
.muted { color: var(--muted); }
.section .eyebrow { margin-bottom: 12px; }

/* ---------- Grid & kartlar ---------- */
.grid { display: grid; gap: 20px; margin-top: 44px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .grid-3, .grid-4 { grid-template-columns: 1fr; } .nav-links { display: none; } }

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    transition: transform .2s ease, border-color .2s ease, background .2s ease;
}
.card:hover { transform: translateY(-3px); border-color: rgba(109, 92, 255, .45); background: rgba(255,255,255,.05); }
.card h3 { font-size: 18px; margin-bottom: 8px; font-weight: 650; }
.card p { font-size: 15px; color: var(--muted); }
.card-agent { padding: 22px; }
.card-wide { padding: 44px; text-align: center; }
.card-wide h2 { margin-bottom: 12px; }

.step {
    display: inline-flex; align-items: center; justify-content: center;
    width: 34px; height: 34px; border-radius: 10px; margin-bottom: 16px;
    font-weight: 700; color: #fff;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
}

.grid + .center { margin-top: 28px; font-size: 15px; }

/* ---------- Chip'ler ---------- */
.chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 32px; }
.chips span {
    padding: 8px 16px; border-radius: 999px; font-size: 14px; color: var(--muted);
    background: var(--surface); border: 1px solid var(--border);
    transition: color .2s, border-color .2s;
}
.chips span:hover { color: var(--text); border-color: rgba(34, 211, 238, .5); }
.chips-social { margin-top: 14px; }
.chips-social span { border-color: rgba(109, 92, 255, .3); }

/* ---------- Form ---------- */
.section-cta { padding-bottom: 120px; }
.lead-form { display: flex; gap: 12px; justify-content: center; margin-top: 32px; flex-wrap: wrap; }
.lead-form input[type="email"] {
    width: min(360px, 100%); padding: 14px 18px; font-size: 16px; color: var(--text);
    background: var(--bg-soft); border: 1px solid var(--border); border-radius: 12px; outline: none;
    transition: border-color .2s;
}
.lead-form input[type="email"]:focus { border-color: var(--accent); }
.hp { position: absolute; left: -9999px; opacity: 0; height: 0; width: 0; }
.form-msg { margin-top: 24px; padding: 12px 20px; border-radius: 12px; display: inline-block; font-size: 15px; }
.form-ok { background: rgba(34, 197, 94, .12); border: 1px solid rgba(34, 197, 94, .35); color: #86efac; }
.form-err { background: rgba(239, 68, 68, .12); border: 1px solid rgba(239, 68, 68, .35); color: #fca5a5; }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--border); padding: 32px 0; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 14px; }
.footer-inner > span:first-child { display: flex; align-items: center; gap: 8px; font-weight: 650; }

/* ---------- Reveal animasyonu (yalnız JS varsa) ---------- */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.js .reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
    .js .reveal { opacity: 1; transform: none; transition: none; }
    html { scroll-behavior: auto; }
}