/* Kitaplık web sitesi — tasarım: assets/web-tasarim-ornek.png; palet
   uygulamayla aynı (src/theme.js). Bootstrap 5.3 değişkenleri burada eziliyor;
   açık/koyu tema data-bs-theme ile. */
:root,
[data-bs-theme="light"] {
  --ks-green: #286B55;
  --ks-green-dark: #1D4F3F;
  --ks-orange: #F47738;
  --ks-cream: #F7F1E3;
  --ks-ink: #1F4537;
  --ks-text: #33433C;
  --ks-muted: #5F706A;
  --ks-bg: #F4F6F2;
  --ks-bg-2: #EDF1EC;
  --ks-surface: #FFFFFF;
  --ks-line: rgba(30, 60, 45, 0.10);
  --ks-tint: #E4EEE7;
  /* Logo yazısı: uygulamadaki logoyla aynı renkler (assets/brand/README.md). */
  --ks-brand-k: #286B55;
  --ks-brand-l: #F47738;
  --ks-brand-sub: #5A6B67;
  --bs-body-bg: var(--ks-bg);
  --bs-body-color: var(--ks-text);
  --bs-secondary-color: var(--ks-muted);
  --bs-border-color: var(--ks-line);
  --bs-primary: var(--ks-green);
  --bs-primary-rgb: 40, 107, 85;
  --bs-link-color-rgb: 40, 107, 85;
  --bs-link-hover-color-rgb: 29, 79, 63;
  --bs-body-font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
}
[data-bs-theme="dark"] {
  --ks-green: #3F8F6F;
  --ks-green-dark: #2E7358;
  --ks-orange: #F28C45;
  --ks-ink: #E8EFEB;
  --ks-text: #D3DDD7;
  --ks-muted: #A2B2AB;
  --ks-bg: #101714;
  --ks-bg-2: #141E1A;
  --ks-surface: #18231F;
  --ks-line: rgba(255, 255, 255, 0.08);
  --ks-tint: #1D2C26;
  --ks-brand-k: #8FC0A9;
  --ks-brand-l: #F28C45;
  --ks-brand-sub: #A69D8B;
  --bs-body-bg: var(--ks-bg);
  --bs-body-color: var(--ks-text);
  --bs-secondary-color: var(--ks-muted);
  --bs-border-color: var(--ks-line);
  --bs-primary-rgb: 63, 143, 111;
  --bs-link-color-rgb: 143, 192, 169;
  --bs-link-hover-color-rgb: 169, 216, 196;
}

body.ks { background: var(--ks-bg); }
a { text-decoration: none; }
a:hover { text-decoration: underline; }
.btn { font-weight: 600; }
.btn:hover { text-decoration: none; }
.ks-pill { border-radius: 999px; padding-left: 1.3rem; padding-right: 1.3rem; }
.btn-primary { --bs-btn-bg: var(--ks-green); --bs-btn-border-color: var(--ks-green); --bs-btn-hover-bg: var(--ks-green-dark); --bs-btn-hover-border-color: var(--ks-green-dark); --bs-btn-active-bg: var(--ks-green-dark); --bs-btn-disabled-bg: var(--ks-green); --bs-btn-disabled-border-color: var(--ks-green); }
.btn-outline-primary { --bs-btn-color: var(--ks-green); --bs-btn-border-color: var(--ks-green); --bs-btn-hover-bg: var(--ks-green); --bs-btn-hover-border-color: var(--ks-green); --bs-btn-active-bg: var(--ks-green-dark); --bs-btn-disabled-color: var(--ks-green); --bs-btn-disabled-border-color: var(--ks-green); }
[data-bs-theme="dark"] .btn-outline-primary { --bs-btn-color: #8FC0A9; --bs-btn-border-color: #8FC0A9; --bs-btn-disabled-color: #8FC0A9; --bs-btn-disabled-border-color: #8FC0A9; }
.form-control { border-radius: 12px; }
.form-control:focus, .form-check-input:focus { border-color: #8FC0A9; box-shadow: 0 0 0 .2rem rgba(63, 110, 90, .2); }
a:focus-visible, .btn:focus-visible { outline: 3px solid rgba(63, 110, 90, .45); outline-offset: 2px; }
.ks-skip { position: absolute; left: 12px; top: 8px; z-index: 2000; background: var(--ks-surface); padding: 8px 12px; border-radius: 8px; }
.ks-flash { border-radius: 14px; }

/* ── Üst menü ── */
.ks-nav { background: color-mix(in srgb, var(--ks-bg) 90%, transparent); backdrop-filter: saturate(160%) blur(10px); padding: .85rem 0; }
.ks-brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ks-ink) !important; text-decoration: none !important; }
/* Uygulamadaki yatay logo (BrandLockup): Nunito ExtraBold, "Kitap" yeşil +
   "lık" turuncu; altında Inter SemiBold, harf aralıklı alt satır. */
.ks-wordmark { display: flex; flex-direction: column; justify-content: center; line-height: 1; }
.ks-wordmark-name { font-family: 'Nunito', 'Inter', sans-serif; font-weight: 800; font-size: 26px; line-height: 1.12; letter-spacing: -0.01em; white-space: nowrap; }
.ks-wordmark-name b { font-weight: 800; color: var(--ks-brand-k); }
.ks-wordmark-name i { font-style: normal; color: var(--ks-brand-l); }
.ks-wordmark small { font-family: 'Inter', sans-serif; font-weight: 600; font-size: 9.5px; letter-spacing: 1.7px; color: var(--ks-brand-sub); white-space: nowrap; }
/* Koyu yeşil altbilgi: uygulamanın koyu tema logosu. */
.ks-brand-light { --ks-brand-k: #8FC0A9; --ks-brand-l: #F28C45; --ks-brand-sub: #A9C2B6; }
.ks-links .nav-link { position: relative; font-weight: 500; font-size: .95rem; color: var(--ks-text); padding: .4rem 1rem !important; }
.ks-links .nav-link:hover { color: var(--ks-green); text-decoration: none; }
.ks-links .nav-link.active { color: var(--ks-ink); font-weight: 600; }
.ks-links .nav-link.active::after { content: ''; position: absolute; left: 50%; bottom: -4px; width: 34px; height: 3px; border-radius: 3px; background: var(--ks-green); transform: translateX(-50%); }
.ks-icon-btn { border: 0; color: var(--ks-muted); font-size: 1.1rem; }
@media (max-width: 991.98px) { .ks-nav-cta { padding: .6rem 0 .2rem; } }

/* ── Tipografi ── */
.ks-h1 { font-family: 'Merriweather', Georgia, serif; font-weight: 900; color: var(--ks-ink); font-size: clamp(2.1rem, 4.4vw, 3.15rem); line-height: 1.12; letter-spacing: -.8px; }
.ks-h1-md { font-size: clamp(1.8rem, 3.6vw, 2.7rem); }
.ks-h1-sm { font-size: clamp(1.6rem, 3.2vw, 2.2rem); }
.ks-h2 { font-family: 'Merriweather', Georgia, serif; font-weight: 700; color: var(--ks-ink); font-size: clamp(1.35rem, 2.4vw, 1.75rem); line-height: 1.25; }
.ks-accent { color: var(--ks-orange); }
.ks-lead { font-size: 1.08rem; color: var(--ks-muted); max-width: 34rem; line-height: 1.7; margin-top: 1.1rem; }
.ks-sub { color: var(--ks-muted); }
.ks-kicker { display: flex; align-items: center; gap: .8rem; font-size: .85rem; font-weight: 600; color: var(--ks-ink); margin-bottom: 1rem; }
.ks-kicker::before { content: ''; width: 34px; height: 1.5px; background: var(--ks-muted); opacity: .6; }
.ks-kicker-plain::before { display: none; }
.ks-eyebrow { display: inline-flex; align-items: center; gap: .4rem; font-size: .76rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--ks-green); }
[data-bs-theme="dark"] .ks-eyebrow { color: #8FC0A9; }
.ks-note { color: var(--ks-muted); font-size: .92rem; }

/* ── Bölümler ── */
.ks-section { padding: 5rem 0; position: relative; overflow: hidden; }
.ks-narrow { max-width: 860px; }
.ks-page-head { padding: 3rem 0 1rem; }
.ks-decor { position: absolute; pointer-events: none; user-select: none; }

/* Giriş */
.ks-hero { position: relative; overflow: hidden; padding: 3.5rem 0 4rem;
  background: linear-gradient(100deg, var(--ks-bg) 0%, var(--ks-bg) 45%, var(--ks-bg-2) 100%); }
.ks-decor-plant { width: 420px; right: 30%; top: -30px; opacity: .28; filter: blur(3px); transform: rotate(-12deg); }
[data-bs-theme="dark"] .ks-decor-plant { opacity: .12; }
.ks-play { display: inline-flex; align-items: center; gap: .7rem; color: var(--ks-ink); font-weight: 600; }
.ks-play:hover { text-decoration: none; color: var(--ks-green); }
.ks-play-dot { width: 42px; height: 42px; border-radius: 50%; display: grid; place-items: center; background: var(--ks-surface); border: 1px solid var(--ks-line); box-shadow: 0 6px 16px -8px rgba(0,0,0,.25); color: var(--ks-ink); font-size: 1.2rem; }
.ks-mini { display: flex; flex-wrap: wrap; gap: 1.2rem 0; margin-top: 2.4rem; }
.ks-mini > div { display: flex; align-items: center; gap: .6rem; font-size: .8rem; color: var(--ks-muted); line-height: 1.35; padding-right: .9rem; margin-right: .9rem; border-right: 1px solid var(--ks-line); }
.ks-mini > div:last-child { border-right: 0; margin-right: 0; }
@media (max-width: 575.98px) { .ks-mini { flex-direction: column; gap: .8rem; } .ks-mini > div { border-right: 0; margin-right: 0; } }
.ks-mini-icon { width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; border: 1px solid var(--ks-line); background: var(--ks-surface); color: var(--ks-green); font-size: 1.1rem; flex: none; }

.ks-hero-visual { position: relative; display: flex; justify-content: center; min-height: 600px; }
.ks-hand { position: absolute; right: 0; top: 70px; font-family: 'Caveat', cursive; font-size: 1.7rem; line-height: 1.05; color: var(--ks-ink); transform: rotate(-8deg); }
.ks-hand svg { display: block; margin: .3rem 0 0 .4rem; color: var(--ks-ink); }
.ks-decor-books { width: 260px; right: -30px; bottom: 30px; filter: drop-shadow(0 18px 24px rgba(0,0,0,.18)); }
@media (max-width: 991.98px) { .ks-hand { display: none; } .ks-decor-books { width: 170px; right: 0; bottom: 0; } }

/* Telefon çerçevesi */
.ks-phone { position: relative; width: 290px; border-radius: 46px; padding: 11px; background: linear-gradient(145deg, #2A2A2E, #0E0E10); box-shadow: 0 40px 70px -28px rgba(10, 30, 22, .55), inset 0 0 0 2px rgba(255,255,255,.08); }
.ks-screen { border-radius: 36px; overflow: hidden; background: #F5F7F8; }
.ks-screen img { display: block; width: 100%; }
/* Gerçek telefondaki gibi durum çubuğu: çentik uygulamanın üst barına binmesin. */
.ks-status { display: flex; justify-content: space-between; align-items: center; height: 36px; padding: 6px 24px 0 28px; font: 600 12px/1 'Inter', sans-serif; color: #1F2A25; }
.ks-status i { font-size: 11px; }
.ks-notch { position: absolute; top: 20px; left: 50%; transform: translateX(-50%); width: 88px; height: 24px; border-radius: 999px; background: #0E0E10; z-index: 2; }
.ks-phone-hero { z-index: 2; transform: rotate(4deg); margin-top: 10px; }
@media (max-width: 575.98px) { .ks-phone { width: 240px; border-radius: 38px; } .ks-screen { border-radius: 30px; } .ks-hero-visual { min-height: 520px; } }

/* Neler sunuyor? */
.ks-offers { background: var(--ks-bg-2); padding: 4rem 0; }
.ks-offer { display: flex; gap: 1.1rem; align-items: flex-start; }
.ks-offer-icon { width: 52px; height: 52px; border-radius: 16px; display: grid; place-items: center; background: var(--ks-tint); color: var(--ks-green); font-size: 1.35rem; flex: none; }
[data-bs-theme="dark"] .ks-offer-icon { color: #8FC0A9; }
.ks-offer h3 { font-size: 1rem; font-weight: 700; color: var(--ks-ink); margin: .2rem 0 .3rem; }
.ks-offer p { color: var(--ks-muted); font-size: .92rem; line-height: 1.6; margin: 0; max-width: 20rem; }

/* Sade tasarım: yelpaze telefonlar */
.ks-ux { background: var(--ks-bg); }
.ks-decor-branch { width: 230px; right: 2%; bottom: -40px; opacity: .55; transform: rotate(25deg); }
[data-bs-theme="dark"] .ks-decor-branch { opacity: .2; }
@media (max-width: 991.98px) { .ks-decor-branch { display: none; } }
.ks-fan { position: relative; height: 540px; max-width: 560px; margin: 0 auto; }
.ks-fan .ks-phone { position: absolute; width: 230px; border-radius: 38px; padding: 9px; }
.ks-fan .ks-screen { border-radius: 30px; }
.ks-fan .ks-status { height: 30px; padding: 5px 18px 0 22px; font-size: 10px; }
.ks-fan .ks-status i { font-size: 9px; }
.ks-fan .ks-notch { top: 16px; width: 70px; height: 20px; }
.ks-fan-left { left: 0; top: 60px; transform: rotate(-8deg); z-index: 1; }
.ks-fan-right { right: 0; top: 60px; transform: rotate(8deg); z-index: 1; }
.ks-fan-mid { left: 50%; top: 0; transform: translateX(-50%); z-index: 2; width: 250px !important; }
@media (max-width: 575.98px) {
  .ks-fan { height: 430px; }
  .ks-fan .ks-phone { width: 170px; }
  .ks-fan-mid { width: 190px !important; }
}

/* Planlar */
.ks-plans { background: var(--ks-bg-2); }
.ks-plan { position: relative; background: var(--ks-surface); border: 1px solid var(--ks-line); border-radius: 22px; padding: 1.8rem; height: 100%; display: flex; flex-direction: column; }
.ks-plan-hi { border: 2px solid var(--ks-green); box-shadow: 0 24px 50px -30px rgba(40, 107, 85, .55); }
.ks-plan-current { outline: 3px solid color-mix(in srgb, var(--ks-orange) 55%, transparent); outline-offset: 2px; }
.ks-plan-badge { position: absolute; top: 1.2rem; right: 1.2rem; background: var(--ks-orange); color: #fff; font-size: .74rem; font-weight: 700; border-radius: 999px; padding: .25rem .7rem; }
.ks-plan-app { display: flex; align-items: center; justify-content: center; gap: .4rem; color: var(--ks-muted); font-size: .9rem; padding: .45rem 0; }
.ks-plan-top { display: flex; gap: .9rem; align-items: flex-start; }
.ks-plan-icon { width: 46px; height: 46px; border-radius: 14px; display: grid; place-items: center; background: var(--ks-tint); color: var(--ks-green); font-size: 1.2rem; flex: none; }
.ks-plan-name { font-family: 'Merriweather', Georgia, serif; font-size: 1.15rem; font-weight: 700; color: var(--ks-ink); margin: 0; }
.ks-plan-desc { color: var(--ks-muted); font-size: .88rem; margin: .25rem 0 0; }
.ks-plan-price { font-family: 'Merriweather', Georgia, serif; font-weight: 900; font-size: 2.1rem; color: var(--ks-ink); margin: 1rem 0 0; line-height: 1.1; }
.ks-plan-price .ks-cur { font-size: 1.6rem; margin-right: 1px; }
.ks-plan-price small { font-family: 'Inter', sans-serif; font-size: .85rem; font-weight: 500; color: var(--ks-muted); }
.ks-plan-monthly { color: var(--ks-muted); font-size: .8rem; }
.ks-plan-list { list-style: none; padding: 1rem 0 0; margin: 1rem 0 1.4rem; border-top: 1px solid var(--ks-line); flex: 1; }
.ks-plan-list li { display: flex; gap: .6rem; padding: .3rem 0; font-size: .92rem; color: var(--ks-text); }
.ks-plan-list i { color: var(--ks-green); }
[data-bs-theme="dark"] .ks-plan-list i { color: #8FC0A9; }

/* Yorum + çağrı şeridi */
.ks-band { background: var(--ks-bg); padding: 3rem 0; border-top: 1px solid var(--ks-line); }
.ks-quote i { color: var(--ks-orange); font-size: 2.2rem; line-height: 1; }
.ks-quote blockquote { font-size: 1rem; color: var(--ks-text); line-height: 1.7; margin: .3rem 0 1rem 2.2rem; }
.ks-quote figcaption { display: flex; align-items: center; gap: .8rem; margin-left: 2.2rem; color: var(--ks-ink); }
.ks-quote figcaption small { color: var(--ks-muted); }
.ks-quote-avatar { width: 42px; height: 42px; border-radius: 50%; display: grid; place-items: center; background: var(--ks-tint); color: var(--ks-green); font-weight: 700; }
.ks-band-cta { border-left: 1px solid var(--ks-line); padding-left: 2rem !important; }
@media (max-width: 991.98px) { .ks-band-cta { border-left: 0; padding-left: calc(var(--bs-gutter-x) * .5) !important; } }
.ks-band-art img { filter: drop-shadow(0 12px 18px rgba(0,0,0,.14)); }

/* SSS */
.ks-faq .accordion-item { border: 1px solid var(--ks-line); border-radius: 16px !important; overflow: hidden; margin-bottom: .7rem; background: var(--ks-surface); }
.ks-faq .accordion-button { font-weight: 600; background: var(--ks-surface); color: var(--ks-ink); box-shadow: none; }
.ks-faq .accordion-button:not(.collapsed) { color: var(--ks-green); background: var(--ks-tint); }
.ks-faq .accordion-body { color: var(--ks-muted); }

/* Mağaza düğmeleri */
.ks-stores { display: flex; flex-wrap: wrap; gap: .6rem; }
.ks-store { display: inline-flex; align-items: center; gap: .6rem; background: #111; color: #fff; padding: .5rem 1rem; border-radius: 12px; line-height: 1.1; }
.ks-store i { font-size: 1.5rem; }
.ks-store small { display: block; font-size: .7rem; opacity: .8; }
.ks-store:hover { color: #fff; text-decoration: none; opacity: .9; }

/* Giriş / kayıt */
.ks-auth { min-height: calc(100vh - 220px); display: grid; place-items: center; padding: 3rem 1rem; }
.ks-auth-card { width: 100%; max-width: 440px; background: var(--ks-surface); border: 1px solid var(--ks-line); border-radius: 24px; padding: 2.2rem; box-shadow: 0 24px 60px -36px rgba(16, 32, 26, .4); }
.ks-auth-sep { display: flex; align-items: center; gap: .8rem; color: var(--ks-muted); font-size: .85rem; margin: 1.3rem 0; }
.ks-auth-sep::before, .ks-auth-sep::after { content: ''; flex: 1; height: 1px; background: var(--ks-line); }

/* Hesabım */
.ks-card { background: var(--ks-surface); border: 1px solid var(--ks-line); border-radius: 20px; padding: 1.5rem; }
.ks-avatar { width: 58px; height: 58px; border-radius: 50%; display: grid; place-items: center; background: var(--ks-green); color: #fff; font-weight: 700; font-size: 1.5rem; }
.ks-meter .progress { height: 8px; border-radius: 999px; background: var(--ks-tint); margin-top: .4rem; }
.ks-meter .progress-bar { background: var(--ks-green); border-radius: 999px; }
.ks-bar-warm { background: var(--ks-orange) !important; }

/* Alt bilgi */
.ks-footer { background: #1F4D3E; color: #DCE8E1; padding: 2rem 0; }
.ks-footer-links { display: flex; flex-wrap: wrap; gap: 2.2rem; }
.ks-footer-links a { color: #E6EFEA; font-size: .9rem; }
.ks-footer-copy { font-size: .8rem; color: rgba(230, 239, 234, .7); }

@media (prefers-reduced-motion: no-preference) {
  .ks-phone { transition: transform .5s ease; }
  .ks-hero-visual:hover .ks-phone-hero { transform: rotate(2deg) translateY(-6px); }
}

/* "Kitapların uygulamada" bilgisi (hesap, giriş, kayıt sayfaları) */
.ks-app-note { display: flex; gap: .75rem; align-items: flex-start; background: var(--ks-tint); color: var(--ks-ink); border-radius: 16px; padding: .9rem 1.1rem; margin-bottom: 1.4rem; font-size: .94rem; line-height: 1.5; }
.ks-app-note i { font-size: 1.25rem; color: var(--ks-green); margin-top: .05rem; }
[data-bs-theme="dark"] .ks-app-note i { color: #8FC0A9; }
.ks-app-note-sm { font-size: .84rem; padding: .7rem .9rem; margin-bottom: 1.2rem; }

/* ── Metin sayfaları (gizlilik, hesap silme) ── */
.ks-prose { line-height: 1.75; }
.ks-prose h2 { font-family: 'Merriweather', Georgia, serif; font-weight: 700; font-size: 1.2rem; color: var(--ks-ink); margin: 2.2rem 0 .7rem; }
.ks-prose .ks-card h2 { margin-top: 0; }
.ks-prose li { margin-bottom: .35rem; }