/* ============================================================
   D1 MARITIME — SİNEMATİK TASARIM SİSTEMİ
   Tüm sayfalar paylaşır. Derin okyanus + cyan + altın.
   ============================================================ */
:root{
  --abyss:#03070f;--deep:#061320;--mid:#0a2236;--steel:#13354f;
  --cyan:#22e0ff;--cyan-deep:#0bb8db;--foam:#eafcff;--gold:#ffcf6b;--gold-deep:#e0a93a;--coral:#ff5a5f;
  --txt:#cfe8f2;--txt-dim:#7a99ad;--txt-faint:#3d5a70;
  --serif:'Fraunces',Georgia,serif;--sans:'Sora',system-ui,sans-serif;--mono:'JetBrains Mono',monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--sans);background:var(--abyss);color:var(--txt);overflow-x:hidden;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img,svg,video{display:block;max-width:100%}
::selection{background:var(--cyan);color:var(--abyss)}
::-webkit-scrollbar{width:10px}::-webkit-scrollbar-track{background:var(--abyss)}
::-webkit-scrollbar-thumb{background:var(--steel);border-radius:5px}::-webkit-scrollbar-thumb:hover{background:var(--cyan-deep)}

/* CUSTOM CURSOR */
.cur-dot,.cur-ring{position:fixed;top:0;left:0;border-radius:50%;pointer-events:none;z-index:99999;transform:translate(-50%,-50%);mix-blend-mode:difference}
.cur-dot{width:6px;height:6px;background:var(--cyan)}
.cur-ring{width:32px;height:32px;border:1.5px solid var(--cyan);opacity:.5;transition:width .3s,height .3s,border-color .3s,opacity .3s}
.cur-ring.hov{width:54px;height:54px;border-color:var(--gold);opacity:1}
@media(hover:none),(pointer:coarse){.cur-dot,.cur-ring{display:none}}

/* SCROLL PROGRESS */
#prog{position:fixed;top:0;left:0;height:2px;width:0;background:linear-gradient(90deg,var(--cyan),var(--gold));z-index:8000;box-shadow:0 0 10px var(--cyan)}

/* NAV */
nav{position:fixed;top:0;left:0;right:0;z-index:7000;display:flex;align-items:center;justify-content:space-between;padding:22px clamp(20px,5vw,60px);transition:padding .4s,background .4s,backdrop-filter .4s,border-color .4s;border-bottom:1px solid transparent}
nav.scrolled{padding:14px clamp(20px,5vw,60px);background:rgba(3,7,15,.72);backdrop-filter:blur(20px) saturate(160%);border-bottom-color:rgba(34,224,255,.1)}
.brand{font-family:var(--serif);font-size:24px;font-weight:500;letter-spacing:-.02em;color:var(--foam)}
.brand .d1{font-style:italic;color:var(--cyan)}
.nav-links{display:flex;gap:34px;align-items:center}
.nav-links a{color:var(--txt-dim);font-size:14px;transition:color .25s;position:relative}
.nav-links a::after{content:'';position:absolute;bottom:-5px;left:0;width:0;height:1px;background:var(--cyan);transition:width .3s}
.nav-links a:hover{color:var(--foam)}.nav-links a:hover::after{width:100%}
.nav-links a.active{color:var(--cyan)}
.nav-cta{padding:10px 22px;background:var(--cyan);color:var(--abyss);border-radius:100px;font-weight:600;font-size:14px;transition:transform .25s,box-shadow .25s}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(34,224,255,.4)}
.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;z-index:7100}
.burger span{width:24px;height:2px;background:var(--foam);transition:.3s;border-radius:2px}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-menu{position:fixed;inset:0;z-index:7050;background:rgba(3,7,15,.97);backdrop-filter:blur(20px);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:28px;opacity:0;visibility:hidden;transition:opacity .4s,visibility .4s}
.mobile-menu.open{opacity:1;visibility:visible}
.mobile-menu a{font-family:var(--serif);font-size:32px;color:var(--foam)}
@media(max-width:860px){.nav-links,.nav-cta{display:none}.burger{display:flex}}

/* BUTONLAR */
.btn-primary{display:inline-flex;align-items:center;gap:8px;padding:16px 36px;background:var(--cyan);color:var(--abyss);border-radius:100px;font-weight:600;font-size:16px;transition:transform .3s,box-shadow .3s;position:relative;overflow:hidden}
.btn-primary span{position:relative;z-index:2}
.btn-primary::before{content:'';position:absolute;inset:0;background:var(--gold);transform:translateY(101%);transition:transform .4s cubic-bezier(.16,1,.3,1)}
.btn-primary:hover::before{transform:translateY(0)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 14px 40px rgba(34,224,255,.4)}
.btn-ghost{display:inline-flex;align-items:center;gap:8px;padding:16px 36px;border:1px solid rgba(122,153,173,.4);color:var(--foam);border-radius:100px;font-weight:500;font-size:16px;transition:border-color .3s,background .3s;backdrop-filter:blur(6px)}
.btn-ghost:hover{border-color:var(--cyan);background:rgba(34,224,255,.06)}

/* LAYOUT */
.wrap{max-width:1200px;margin:0 auto;padding:0 clamp(20px,5vw,48px)}
section{position:relative;z-index:3}
.sec-label{font-family:var(--mono);font-size:12px;letter-spacing:.35em;text-transform:uppercase;color:var(--cyan);margin-bottom:20px;display:flex;align-items:center;gap:12px}
.sec-label::before{content:'';width:32px;height:1px;background:var(--cyan)}
.sec-label.center{justify-content:center}
.sec-title{font-family:var(--serif);font-weight:300;font-size:clamp(32px,5.5vw,68px);line-height:1.02;letter-spacing:-.025em;color:var(--foam);margin-bottom:24px}
.sec-title em{font-style:italic;color:var(--cyan)}
.lead{font-size:clamp(16px,2vw,20px);color:var(--txt-dim);line-height:1.65;max-width:60ch}

/* REVEAL */
.reveal{opacity:0;transform:translateY(48px);transition:opacity 1s cubic-bezier(.16,1,.3,1),transform 1s cubic-bezier(.16,1,.3,1)}
.reveal.in{opacity:1;transform:none}
.reveal[data-d="1"]{transition-delay:.1s}.reveal[data-d="2"]{transition-delay:.2s}
.reveal[data-d="3"]{transition-delay:.3s}.reveal[data-d="4"]{transition-delay:.4s}
.reveal[data-d="5"]{transition-delay:.5s}.reveal[data-d="6"]{transition-delay:.6s}

/* PAGE HERO (alt sayfalar için) */
.page-hero{position:relative;min-height:60vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:160px 20px 80px;overflow:hidden}
.page-hero-bg{position:absolute;inset:0;z-index:0}
.page-hero-bg video,.page-hero-bg canvas{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.page-hero-bg::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(3,7,15,.6),rgba(3,7,15,.92))}
.page-hero-content{position:relative;z-index:2}
.page-hero h1{font-family:var(--serif);font-weight:300;font-size:clamp(40px,7vw,88px);line-height:.98;letter-spacing:-.03em;color:var(--foam);margin-bottom:20px}
.page-hero h1 em{font-style:italic;color:var(--cyan)}

/* FOOTER */
footer{position:relative;z-index:3;border-top:1px solid rgba(34,224,255,.1);padding:64px 0 40px;margin-top:100px;background:var(--abyss)}
.foot-grid{display:flex;justify-content:space-between;flex-wrap:wrap;gap:48px}
.foot-brand{font-family:var(--serif);font-size:28px;color:var(--foam)}
.foot-brand .d1{font-style:italic;color:var(--cyan)}
.foot-cols{display:flex;gap:56px;flex-wrap:wrap}
.foot-col h4{font-family:var(--mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--txt-faint);margin-bottom:16px}
.foot-col a{display:block;color:var(--txt-dim);font-size:14px;margin-bottom:10px;transition:color .25s}
.foot-col a:hover{color:var(--cyan)}
.foot-bottom{margin-top:48px;padding-top:24px;border-top:1px solid rgba(122,153,173,.12);display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-family:var(--mono);font-size:12px;color:var(--txt-faint)}

/* PROSE (gizlilik/kvkk gibi metin sayfaları) */
.prose{max-width:760px;margin:0 auto;padding:60px 0}
.prose h2{font-family:var(--serif);font-weight:400;font-size:clamp(24px,3.5vw,38px);color:var(--foam);margin:48px 0 16px;letter-spacing:-.02em}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:19px;font-weight:600;color:var(--foam);margin:28px 0 10px}
.prose p{font-size:16px;line-height:1.8;color:var(--txt-dim);margin-bottom:16px}
.prose ul{margin:0 0 18px;padding-left:22px}
.prose li{font-size:16px;line-height:1.8;color:var(--txt-dim);margin-bottom:8px}
.prose strong{color:var(--foam);font-weight:600}
.prose a{color:var(--cyan);border-bottom:1px solid rgba(34,224,255,.3)}
.prose .meta{font-family:var(--mono);font-size:13px;color:var(--txt-faint);margin-bottom:40px}

.mag{transition:transform .3s cubic-bezier(.16,1,.3,1)}
@media(prefers-reduced-motion:reduce){*{animation-duration:.01ms!important;transition-duration:.01ms!important}}