:root {
    --blue: #0979ba;
    --blue-dark: #075f91;
    --navy: #10283a;
    --ink: #263746;
    --muted: #657789;
    --line: #dfe8ee;
    --soft: #f4f8fb;
    --white: #ffffff;
    --green: #20a86b;
    --shadow: 0 14px 40px rgba(17, 51, 76, .10);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--white); font-family: Arial, Helvetica, sans-serif; font-size: 17px; line-height: 1.75; }
a { color: var(--blue); }
img { max-width: 100%; height: auto; }
.container { width: min(1160px, calc(100% - 40px)); margin: 0 auto; }

.site-header { position: sticky; top: 0; z-index: 1000; background: var(--white); box-shadow: 0 2px 16px rgba(16, 40, 58, .10); }
.topbar { background: var(--navy); color: #dbe8f0; font-size: 13px; line-height: 1.4; }
.topbar-inner { min-height: 36px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.topbar a { color: var(--white); text-decoration: none; margin-left: 24px; }
.nav-wrap { min-height: 88px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: flex; align-items: center; }
.brand img { display: block; width: 235px; }
.main-nav { display: flex; align-items: center; gap: 6px; }
.main-nav a { color: var(--navy); text-decoration: none; font-weight: 700; font-size: 14px; padding: 33px 12px 29px; border-bottom: 3px solid transparent; }
.main-nav a:hover, .main-nav a.active { color: var(--blue); border-bottom-color: var(--blue); }
.nav-toggle, .nav-button { display: none; }

.hero { position: relative; color: var(--white); background: linear-gradient(105deg, rgba(8, 35, 54, .95), rgba(9, 121, 186, .78)), url("https://www.atolyeajans.com.tr/resources/uploads/header-background/account-header-background.jpg") center/cover no-repeat; }
.hero-content { padding: 92px 0 96px; max-width: 1160px; }
.eyebrow { margin: 0 0 12px; color: #9ad9ff; font-size: 13px; line-height: 1.4; font-weight: 800; letter-spacing: 2px; }
.hero h1 { max-width: 820px; margin: 0; color: var(--white); font-size: clamp(38px, 5vw, 66px); line-height: 1.08; letter-spacing: -1.5px; }
.hero-lead { max-width: 720px; margin: 24px 0 0; color: #e9f4fb; font-size: 21px; line-height: 1.6; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.btn { display: inline-flex; min-height: 50px; align-items: center; justify-content: center; padding: 12px 25px; border: 2px solid transparent; border-radius: 5px; text-decoration: none; font-size: 15px; font-weight: 800; transition: .2s ease; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { color: var(--white); background: var(--blue); border-color: #5fc3fa; }
.btn-outline { color: var(--white); border-color: rgba(255, 255, 255, .72); }
.btn-light { color: var(--blue-dark); background: var(--white); }

.trust-strip { background: var(--white); border-bottom: 1px solid var(--line); box-shadow: var(--shadow); }
.trust-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.trust-grid span { padding: 22px 28px; text-align: center; border-right: 1px solid var(--line); color: var(--muted); font-size: 14px; }
.trust-grid span:last-child { border-right: 0; }
.trust-grid b { display: block; color: var(--navy); font-size: 16px; }

.content { max-width: 960px; padding-top: 68px; padding-bottom: 74px; }
.content section { padding: 37px 42px; margin: 0 0 26px; background: var(--white); border: 1px solid var(--line); border-radius: 9px; box-shadow: 0 8px 28px rgba(17, 51, 76, .055); }
.content section:nth-child(even) { background: var(--soft); }
.content .intro-section { border-top: 5px solid var(--blue); }
.content h2 { margin: 0 0 18px; color: var(--navy); font-size: clamp(27px, 3vw, 36px); line-height: 1.25; letter-spacing: -.4px; }
.content h3 { margin: 30px 0 9px; color: var(--blue-dark); font-size: 21px; line-height: 1.35; }
.content p { margin: 0 0 17px; }
.content p:last-child { margin-bottom: 0; }
.content ul { margin: 20px 0 0; padding: 0; list-style: none; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px 28px; }
.content li { position: relative; padding: 6px 0 6px 27px; }
.content li::before { content: "✓"; position: absolute; left: 0; top: 5px; color: var(--blue); font-weight: 900; }
.content section:last-child { color: var(--white); background: linear-gradient(125deg, var(--navy), var(--blue-dark)); border: 0; }
.content section:last-child h2, .content section:last-child b { color: var(--white); }
.content section:last-child a { display: inline-flex; margin-top: 8px; padding: 12px 22px; color: var(--navy); background: var(--white); border-radius: 5px; text-decoration: none; font-weight: 800; }

.cta-band { color: var(--white); background: var(--blue); }
.cta-inner { min-height: 210px; display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.cta-inner h2 { margin: 0 0 7px; color: var(--white); font-size: 34px; line-height: 1.25; }
.cta-inner p { margin: 0; color: #e4f4fd; }
.site-footer { color: #cbd7df; background: #0c1f2e; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 60px; padding-top: 58px; padding-bottom: 52px; }
.footer-grid img { filter: brightness(0) invert(1); }
.footer-grid h2 { margin: 0 0 16px; color: var(--white); font-size: 18px; }
.footer-grid p { max-width: 420px; font-size: 14px; }
.footer-grid a { display: block; margin: 7px 0; color: #cbd7df; text-decoration: none; font-size: 14px; }
.footer-grid a:hover { color: var(--white); }
.footer-bottom { padding: 18px 20px; text-align: center; border-top: 1px solid rgba(255,255,255,.09); font-size: 13px; }
.mobile-actions { display: none; }

@media (max-width: 900px) {
    .topbar-inner > span { display: none; }
    .topbar-inner { justify-content: center; }
    .topbar a { margin: 0 8px; }
    .nav-wrap { min-height: 76px; }
    .brand img { width: 205px; }
    .nav-button { width: 40px; height: 40px; display: flex; flex-direction: column; justify-content: center; gap: 5px; cursor: pointer; }
    .nav-button span { display: block; width: 28px; height: 3px; margin-left: auto; background: var(--navy); border-radius: 2px; }
    .main-nav { display: none; position: absolute; left: 0; right: 0; top: 112px; padding: 10px 20px 18px; background: var(--white); box-shadow: 0 15px 25px rgba(16,40,58,.16); }
    .nav-toggle:checked ~ .main-nav { display: block; }
    .main-nav a { display: block; padding: 13px 8px; border-bottom: 1px solid var(--line); }
    .hero-content { padding: 70px 0 74px; }
    .trust-grid { grid-template-columns: 1fr; }
    .trust-grid span { border-right: 0; border-bottom: 1px solid var(--line); }
    .content ul { grid-template-columns: 1fr; }
    .cta-inner { padding-top: 42px; padding-bottom: 42px; flex-direction: column; align-items: flex-start; justify-content: center; gap: 22px; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 600px) {
    body { padding-bottom: 58px; font-size: 16px; }
    .container { width: min(100% - 28px, 1160px); }
    .topbar a { font-size: 11px; }
    .brand img { width: 175px; }
    .main-nav { top: 112px; }
    .hero-content { padding: 54px 0 60px; }
    .hero h1 { font-size: 39px; }
    .hero-lead { font-size: 18px; }
    .hero-actions .btn { width: 100%; }
    .content { padding-top: 38px; padding-bottom: 40px; }
    .content section { padding: 28px 22px; margin-bottom: 18px; }
    .content h2 { font-size: 27px; }
    .content h3 { font-size: 20px; }
    .cta-inner h2 { font-size: 28px; }
    .mobile-actions { position: fixed; z-index: 1100; left: 0; right: 0; bottom: 0; display: grid; grid-template-columns: 1fr 1fr; min-height: 58px; box-shadow: 0 -4px 18px rgba(16,40,58,.18); }
    .mobile-actions a { display: flex; align-items: center; justify-content: center; color: var(--white); background: var(--blue); text-decoration: none; font-weight: 800; }
    .mobile-actions a:last-child { background: var(--green); }
}

@media print {
    .site-header, .hero-actions, .cta-band, .mobile-actions { display: none; }
    .hero { color: #000; background: #fff; }
    .hero h1, .hero-lead { color: #000; }
    .content section { box-shadow: none; break-inside: avoid; }
}