/* Giriş / tanıtım sayfası. style.css'in renk ve bileşenleri üzerine kurulur. */
body.giris-sayfa { padding-bottom: 0; }

.giris { min-height: 100vh; display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(360px, 480px); }
@media (max-width: 900px) { .giris { grid-template-columns: 1fr; min-height: 0; } }

/* ---------- Sol: sahne ---------- */
.giris-sol { position: relative; overflow: hidden; color: #fff; display: flex; align-items: flex-end; min-height: 100vh; }
@media (max-width: 900px) { .giris-sol { min-height: 440px; align-items: flex-end; } }
.sahne { position: absolute; inset: 0; width: 100%; height: 100%; }
.sahne .gok { transition: opacity 1.1s ease; }
.sahne .gok-birlikte, .sahne .gok-zirve { opacity: 0; }
.giris[data-sahne="birlikte"] .gok-birlikte { opacity: 1; }
.giris[data-sahne="zirve"] .gok-zirve { opacity: 1; }
.sahne .yildizlar { opacity: .25; transition: opacity 1s ease; }
.giris[data-sahne="zirve"] .yildizlar { opacity: 1; }
.sahne .yildiz-buyuk { transform-origin: 440px 71px; animation: parla 2.4s ease-in-out infinite; }
@keyframes parla { 0%, 100% { transform: scale(1); opacity: .7; } 50% { transform: scale(1.35); opacity: 1; } }
.sahne .gunes { transition: transform 1.2s ease, opacity 1.2s ease; transform-origin: 400px 120px; opacity: .8; }
.giris[data-sahne="birlikte"] .gunes { transform: translate(-40px, -40px) scale(1.15); opacity: 1; }
.giris[data-sahne="zirve"] .gunes { transform: translate(-120px, 150px) scale(.8); opacity: .35; }
.sahne .yol-isik { stroke-dasharray: 700; stroke-dashoffset: 700; transition: stroke-dashoffset 1.6s ease-in-out, opacity .6s; opacity: 0; }
.giris[data-sahne="birlikte"] .yol-isik { stroke-dashoffset: 380; opacity: .9; }
.giris[data-sahne="zirve"] .yol-isik { stroke-dashoffset: 0; opacity: .9; }
/* Yolcular yol boyunca ilerler: başlangıç → orta → zirve */
.sahne .yolcular { transform: translate(72px, 390px); transition: transform 1.4s cubic-bezier(.4, 0, .2, 1); }
.giris[data-sahne="birlikte"] .yolcular { transform: translate(236px, 318px); }
.giris[data-sahne="zirve"] .yolcular { transform: translate(428px, 128px); }
.sahne .veli { opacity: 0; transform: translate(-70px, 0); transition: opacity .9s ease .3s, transform 1.1s cubic-bezier(.4, 0, .2, 1) .2s; }
.giris[data-sahne="birlikte"] .veli, .giris[data-sahne="zirve"] .veli { opacity: 1; transform: translate(-24px, 0); }
.sahne .fener-isik { opacity: 0; transition: opacity 1s ease .6s; }
.giris[data-sahne="birlikte"] .fener-isik { opacity: 1; }
.giris[data-sahne="zirve"] .fener-isik { opacity: .5; }
.sahne .el-sallama { opacity: 0; transform-origin: 8px -32px; transition: opacity .5s; }
.giris[data-sahne="zirve"] .el-sallama { opacity: 1; animation: salla .7s ease-in-out infinite alternate; }
@keyframes salla { from { transform: rotate(-12deg); } to { transform: rotate(18deg); } }
.sahne .zirve-isaret .bayrak { transform-origin: 1px -50px; transform: scaleX(.2); opacity: .5; transition: transform .8s ease .4s, opacity .8s ease .4s; }
.giris[data-sahne="zirve"] .zirve-isaret .bayrak { transform: scaleX(1); opacity: 1; animation: dalga 1.6s ease-in-out .9s infinite alternate; }
@keyframes dalga { from { transform: scaleX(1) skewY(0deg); } to { transform: scaleX(.92) skewY(-4deg); } }
.sahne .kep { opacity: .35; transition: opacity .6s; }
.giris[data-sahne="zirve"] .kep { opacity: 1; }
.sahne .kutlama { opacity: 0; transition: opacity .6s ease .7s; }
.giris[data-sahne="zirve"] .kutlama { opacity: 1; animation: yuksel 2.2s ease-out .7s infinite; }
@keyframes yuksel { 0% { transform: translateY(14px); } 60% { transform: translateY(-6px); } 100% { transform: translateY(-10px); opacity: 0; } }

.giris-metin { position: relative; padding: 36px 40px 40px; max-width: 620px; text-shadow: 0 2px 14px rgba(0, 0, 0, .35); }
@media (max-width: 900px) { .giris-metin { padding: 24px 20px 24px; } }
.giris-marka { display: flex; align-items: center; gap: 10px; font-weight: 800; letter-spacing: .14em; font-size: 14px; opacity: .95; }
.giris-logo { display: inline-grid; place-items: center; width: 40px; height: 40px; border-radius: 12px; background: rgba(255, 255, 255, .22); font-size: 22px; }
.giris-baslik { font-size: clamp(28px, 3.6vw, 44px); line-height: 1.12; margin: 18px 0 16px; font-weight: 800; display: grid; }
.giris-baslik span { grid-area: 1 / 1; opacity: 0; transform: translateY(8px); transition: opacity .6s ease, transform .6s ease; }
.giris[data-sahne="hedef"] .giris-baslik [data-sahne-metin="hedef"],
.giris[data-sahne="birlikte"] .giris-baslik [data-sahne-metin="birlikte"],
.giris[data-sahne="zirve"] .giris-baslik [data-sahne-metin="zirve"] { opacity: 1; transform: none; }
.giris-adimlar { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.giris-adimlar li { display: grid; grid-template-columns: 30px 1fr; grid-template-rows: auto auto; column-gap: 10px; align-items: center; padding: 6px 10px; border-radius: 12px; transition: background .5s, transform .5s; counter-increment: adim; }
.giris-adimlar li::before { content: counter(adim); grid-row: 1 / span 2; display: grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; background: rgba(255, 255, 255, .22); font-weight: 800; font-size: 14px; }
.giris-adimlar li b { font-size: 16px; }
.giris-adimlar li span { font-size: 13px; opacity: .85; }
.giris[data-sahne="hedef"] [data-adim="hedef"], .giris[data-sahne="birlikte"] [data-adim="birlikte"], .giris[data-sahne="zirve"] [data-adim="zirve"] { background: rgba(255, 255, 255, .18); transform: translateX(6px); }
.giris[data-sahne="hedef"] [data-adim="hedef"]::before, .giris[data-sahne="birlikte"] [data-adim="birlikte"]::before, .giris[data-sahne="zirve"] [data-adim="zirve"]::before { background: #fbbf24; color: #1e1b4b; }
.giris-cizgi { display: block; height: 1px; background: rgba(255, 255, 255, .3); margin: 18px 0 14px; }
.giris-liste { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 6px 14px; font-size: 14px; }
.giris-liste li { display: flex; gap: 8px; align-items: flex-start; }
.giris-liste li span { font-size: 16px; }
@media (max-width: 900px) { .giris-liste { display: none; } .giris-cizgi { display: none; } }

/* ---------- Sağ: kart ---------- */
.giris-sag { display: flex; flex-direction: column; justify-content: center; padding: 28px 28px 36px; background: var(--bg); }
@media (max-width: 900px) { .giris-sag { padding: 18px 16px 28px; } }
.giris-ust { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 14px; }
.giris-sekmeler { display: inline-flex; background: var(--chip); border-radius: 99px; padding: 4px; }
.giris-sekmeler button { border-radius: 99px; padding: 8px 18px; font-weight: 800; font-size: 14px; color: var(--muted); }
.giris-sekmeler button.secili { background: var(--card); color: var(--primary); box-shadow: 0 2px 8px rgba(0, 0, 0, .08); }
.theme-btn.kucuk { width: 42px; height: 42px; font-size: 19px; background: var(--chip); }
.giris-kart { background: var(--card); border-radius: 24px; padding: 26px 24px; box-shadow: var(--shadow); border-top: 6px solid var(--primary); }
.giris-kart h2 { font-size: 24px; }
.giris-kart .soluk { color: var(--muted); margin: 4px 0 10px; font-size: 14px; }
.giris-kart label { margin-top: 12px; }
.giris-alan { display: flex; align-items: center; gap: 8px; position: relative; }
.giris-alan .ikon { position: absolute; left: 12px; font-size: 16px; pointer-events: none; }
.giris-alan .ikon + input { padding-left: 40px; }
.giris-alan input { flex: 1; }
.giris-goz { position: absolute; right: 8px; width: 34px; height: 34px; border-radius: 10px; font-size: 16px; color: var(--muted); }
.giris-goz:hover { background: var(--chip); }
.giris-hatirla { display: flex; align-items: center; gap: 8px; font-weight: 600; font-size: 14px; color: var(--muted); margin-top: 12px; }
.giris-hatirla input { width: 18px; height: 18px; margin: 0; }
.giris-kart .hata { color: var(--bad); background: var(--bad-soft); border-radius: 12px; padding: 10px 12px; font-size: 14px; margin: 12px 0 0; }
.giris-not { color: var(--good-text); background: var(--good-bg); border-radius: 12px; padding: 10px 12px; font-size: 14px; margin: 0 0 6px; }
.giris-dugme { display: block; width: 100%; margin-top: 16px; min-height: 50px; border-radius: 14px; font-weight: 800; font-size: 16px; color: #fff; background: linear-gradient(90deg, #6366f1, #a855f7); box-shadow: 0 8px 20px rgba(99, 102, 241, .35); text-align: center; text-decoration: none; }
.giris-dugme:active { transform: scale(.98); }
.giris-dugme:disabled { opacity: .6; cursor: progress; }
.giris-dugme.kisa { display: inline-block; width: auto; padding: 0 22px; }
.giris-tanitim { display: flex; flex-direction: column; margin-top: 16px; padding: 12px 14px; border-radius: 14px; background: var(--primary-soft); color: var(--primary); text-decoration: none; font-size: 14px; }
.giris-tanitim b { font-size: 15px; }
.giris-tanitim span { color: var(--muted); font-weight: 500; }
.giris-alt { margin-top: 14px !important; text-align: center; }
.baglanti { color: var(--primary); font-weight: 700; text-decoration: underline; padding: 0; }
#uye-tamam p, #kurulum-uzak p { line-height: 1.6; }

/* ---------- Tanıtım ---------- */
.tanitim { max-width: var(--genislik); margin: 0 auto; padding: 48px 20px 40px; }
.tanitim-giris { text-align: center; max-width: 820px; margin: 0 auto 36px; }
.ust-yazi { color: var(--primary); font-weight: 800; letter-spacing: .12em; text-transform: uppercase; font-size: 12px; margin: 0 0 8px; }
.tanitim h2 { font-size: clamp(24px, 3vw, 34px); line-height: 1.2; margin-bottom: 12px; }
.tanitim h3 { font-size: 20px; margin: 0 0 14px; }
.tanitim-bolum { margin-bottom: 36px; }
.tanitim .card h4 { font-size: 17px; margin-bottom: 6px; }
.tanitim .card p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.6; }
.tanitim .card ul { margin: 0; padding-left: 18px; color: var(--muted); font-size: 14px; line-height: 1.8; }
.tanitim .grid.iki { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.adim-no { display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: var(--c, var(--primary)); color: #fff; font-weight: 800; margin-bottom: 10px; }
.tanitim-alt { text-align: center; padding-top: 10px; }
.tanitim-alt .soluk { color: var(--muted); font-size: 13px; margin-top: 16px; }
.tanitim .soluk { color: var(--muted); }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { .sahne *, .giris-baslik span, .giris-adimlar li { transition: none !important; animation: none !important; } html { scroll-behavior: auto; } }