/* Referanslar listesi — index paleti */

:root {
    --bg: #031427;
    --ink: #d3e4fe;
    --muted: #c3c6d7;
    --primary: #b4c5ff;
    --primary-solid: #2563eb;
    --ink-light: #1d1d1f;
    --muted-light: #86868b;
    --glass: rgba(255, 255, 255, 0.04);
    --glass-edge: rgba(255, 255, 255, 0.12);
    --blur: 40px;
    --shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
    --radius-lg: 1.25rem;
    --shell: min(1280px, calc(100% - 3rem));
    --font: "Plus Jakarta Sans", system-ui, sans-serif;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: var(--font);
    color: var(--ink);
    background: var(--bg);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    display: block;
    max-width: 100%;
    height: auto;
}

.shell {
    width: var(--shell);
    margin-inline: auto;
}

.atmosphere {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
    background:
        radial-gradient(at 0% 0%, rgba(37, 99, 235, 0.14) 0, transparent 50%),
        radial-gradient(at 100% 40%, rgba(180, 197, 255, 0.08) 0, transparent 45%),
        var(--bg);
}

.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(90px);
    opacity: 0.7;
}

.blob--a {
    width: min(42vw, 520px);
    height: min(42vw, 520px);
    top: -10%;
    left: -12%;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.35), transparent 70%);
}

.blob--b {
    width: min(36vw, 440px);
    height: min(36vw, 440px);
    top: 35%;
    right: -10%;
    background: radial-gradient(circle, rgba(180, 197, 255, 0.22), transparent 70%);
}

.blob--c {
    width: min(28vw, 340px);
    height: min(28vw, 340px);
    bottom: 5%;
    left: 30%;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.16), transparent 70%);
}

.glass-panel {
    background: var(--glass);
    backdrop-filter: blur(var(--blur));
    -webkit-backdrop-filter: blur(var(--blur));
    border: 1px solid var(--glass-edge);
    box-shadow: var(--shadow);
}

.glass-nav {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(3, 20, 39, 0.8);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid var(--glass-edge);
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 5rem;
    gap: 1rem;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    font-weight: 800;
    font-size: 1.25rem;
    letter-spacing: -0.02em;
}

.brand__logo {
    display: block;
    height: 2.15rem;
    width: auto;
    max-width: min(180px, 46vw);
    object-fit: contain;
}

.brand--footer .brand__logo {
    height: 1.9rem;
}

.brand__mark {
    font-size: 1.35rem;
    color: var(--primary);
}

.nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav a {
    color: var(--muted);
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.2s ease;
}

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

.nav__cta {
    display: inline-flex;
    padding: 0.65rem 1.35rem;
    border-radius: 999px;
    background: #fff;
    color: #000 !important;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

main {
    position: relative;
    z-index: 1;
}

.page-hero {
    padding: 4rem 0 2.5rem;
}

.eyebrow {
    margin: 0 0 0.75rem;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--primary-solid);
}

.page-hero h1 {
    margin: 0 0 1rem;
    font-size: clamp(2.4rem, 6vw, 4rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.05;
}

.lead {
    margin: 0;
    max-width: 36rem;
    font-size: 1.1rem;
    color: var(--muted);
}

.meta {
    margin: 1.25rem 0 0;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
}

.page-grid-wrap {
    padding: 1rem 0 5rem;
}

.ref-grid {
    display: grid;
    gap: 1.15rem;
    grid-template-columns: 1fr;
}

@media (min-width: 640px) {
    .ref-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 960px) {
    .ref-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.ref-card {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 1rem;
    padding: 1.15rem 1.25rem;
    border-radius: var(--radius-lg);
    transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}

.ref-card:hover {
    transform: translateY(-3px);
    border-color: rgba(180, 197, 255, 0.35);
    background: rgba(255, 255, 255, 0.07);
}

.ref-card__logo {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 5.5rem;
    height: 3.75rem;
    padding: 0.55rem;
    border-radius: 0.85rem;
    background: rgba(255, 255, 255, 0.94);
}

.ref-card__logo img {
    max-height: 2.4rem;
    max-width: 100%;
    width: auto;
    object-fit: contain;
}

.ref-card__meta strong {
    display: block;
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.ref-card__meta span {
    display: block;
    margin-top: 0.2rem;
    font-size: 0.82rem;
    color: var(--muted);
    word-break: break-all;
}

.ref-card__go {
    color: var(--primary);
    font-size: 1.25rem;
}

.empty {
    text-align: center;
    padding: 3.5rem 1.5rem;
    border-radius: 1.5rem;
}

.empty .material-symbols-outlined {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 0.75rem;
}

.empty h2 {
    margin: 0 0 0.5rem;
    font-size: 1.5rem;
}

.empty p {
    margin: 0 0 1.5rem;
    color: var(--muted);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.9rem 1.5rem;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.04em;
}

.btn--solid {
    background: #fff;
    color: #000;
}

.footer {
    position: relative;
    z-index: 1;
    border-top: 1px solid var(--glass-edge);
    background: rgba(0, 15, 33, 0.7);
    padding: 2rem 0;
}

.footer__inner {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

@media (min-width: 768px) {
    .footer__inner {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
}

.brand--footer .brand__mark {
    color: var(--primary);
}

.footer__links {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    color: var(--muted);
    font-size: 0.9rem;
}

.footer__links a:hover {
    color: var(--ink);
}

.footer__copy {
    margin: 0;
    font-size: 0.75rem;
    color: var(--muted-light);
}

@media (max-width: 700px) {
    .nav a:not(.nav__cta) {
        display: none;
    }
}