/* e-kitap.cihanseven.com.tr · vitrin, kitap sayfası, sipariş takip
 * Renkler ve yazı tipleri tokens.css'ten (link.cihanseven.com.tr ile aynı marka: koyu zemin, #d71920 kırmızı).
 * Telefon öncelikli: tek sütun; 760px'ten sonra kitap sayfası iki sütun.
 */

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

html,
body {
    overflow-x: clip;
}

html {
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
    scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
}

body {
    margin: 0;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    background: var(--color-paper);
    color: var(--color-ink);
    font-family: var(--font-body);
    font-size: 1.0625rem;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    border-top: 3px solid var(--color-accent);
}

img,
svg {
    display: block;
    max-width: 100%;
}

.icon {
    width: 1.1em;
    height: 1.1em;
    flex: none;
    fill: currentColor;
}

a {
    color: inherit;
    text-underline-offset: 0.18em;
}

:focus-visible {
    outline: 2px solid var(--color-focus);
    outline-offset: 3px;
}

h1,
h2,
h3 {
    font-family: var(--font-display);
    line-height: 1.15;
    letter-spacing: -0.01em;
    text-wrap: balance;
    margin: 0 0 var(--space-sm);
}

h1 {
    font-size: clamp(1.75rem, 1.2rem + 2.6vw, 2.75rem);
}

h2 {
    font-size: clamp(1.25rem, 1.1rem + 0.8vw, 1.6rem);
}

h3 {
    font-size: 1.1rem;
}

p {
    margin: 0 0 var(--space-md);
}

.shell {
    width: 100%;
    max-width: 68rem;
    margin-inline: auto;
    padding-inline: var(--space-md);
}

main.shell {
    flex: 1;
    padding-bottom: var(--space-3xl);
}

.muted {
    color: var(--color-muted);
}

.small {
    font-size: 0.875rem;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
}

/* Bal küpü alanı: ekranda ve ekran okuyucuda yok, botlar doldurur */
.hp {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.skip {
    position: absolute;
    left: var(--space-md);
    top: -3rem;
    z-index: var(--z-toast);
    padding: var(--space-xs) var(--space-sm);
    background: var(--color-accent-fill);
    color: var(--color-on-accent);
    border-radius: var(--radius-sm);
}

.skip:focus {
    top: var(--space-sm);
}

/* --- Üst ve alt bant -------------------------------------------------------- */

.site-head-in {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    min-height: 4rem;
}

.brand {
    text-decoration: none;
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.15rem;
    letter-spacing: -0.01em;
}

.brand {
    min-width: 0;
}

.brand-name,
.brand-tag {
    white-space: nowrap;
}

.brand-tag {
    color: var(--color-accent-text);
}

.head-link {
    display: inline-flex;
    flex: none;
    align-items: center;
    gap: 0.4em;
    padding-block: 0.6rem;
    color: var(--color-muted);
    font-size: 0.9rem;
    text-decoration: none;
}

.head-link:hover {
    color: var(--color-ink);
}

.head-link .icon {
    width: 0.8em;
    height: 0.8em;
}

.site-foot {
    border-top: 1px solid var(--color-rule);
    padding-block: var(--space-xl) calc(var(--space-xl) + env(safe-area-inset-bottom));
    color: var(--color-muted);
    font-size: 0.9rem;
}

.foot-links {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs) var(--space-lg);
    margin-bottom: var(--space-sm);
}

.foot-links a,
.foot-note a {
    display: inline-block;
    padding-block: 0.6rem;
    text-decoration: none;
}

.foot-links a:hover,
.foot-note a:hover {
    color: var(--color-ink);
    text-decoration: underline;
}

.foot-note {
    margin: 0;
}

/* --- Bildirimler ve rozetler -------------------------------------------------- */

.notice {
    margin: var(--space-md) 0;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-rule-strong);
    background: var(--color-surface);
}

.notice-success {
    border-color: color-mix(in oklch, var(--color-success) 55%, transparent);
}

.notice-error {
    border-color: color-mix(in oklch, var(--color-danger) 70%, transparent);
}

.badge {
    display: inline-block;
    margin: 0 0 var(--space-xs);
    padding: 0.15em 0.7em;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.badge-soon {
    background: var(--color-surface-2);
    color: var(--color-muted);
    border: 1px solid var(--color-rule-strong);
}

.eyebrow {
    margin: 0 0 var(--space-xs);
    color: var(--color-accent-text);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

/* --- Düğmeler ---------------------------------------------------------------- */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5em;
    min-height: 2.875rem;
    padding: 0.6em 1.25em;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    font: inherit;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
    transition: background-color var(--dur-short) var(--ease-out), border-color var(--dur-short) var(--ease-out), transform var(--dur-press) var(--ease-out);
}

.btn:active {
    transform: translateY(1px);
}

.btn-primary {
    background: var(--color-accent-fill);
    color: var(--color-on-accent);
}

.btn-primary:hover {
    background: var(--color-accent-fill-hover);
}

.btn-ghost {
    background: transparent;
    color: var(--color-ink);
    border-color: var(--color-rule-strong);
}

.btn-ghost:hover {
    background: var(--color-surface-2);
}

.btn-block {
    width: 100%;
}

.btn-small {
    min-height: 2.5rem;
    padding: 0.3em 0.8em;
    font-size: 0.875rem;
}

/* --- Vitrin ------------------------------------------------------------------- */

:root {
    /* Küçük kırmızı yazılar için: koyu zeminde AA kontrastı (marka kırmızısı küçük metinde 3.8:1 kalıyordu) */
    --color-accent-text: oklch(70% 0.17 27);
}

.hero {
    padding-block: var(--space-2xl) var(--space-xl);
    max-width: 44rem;
}

.hero p:not(.eyebrow) {
    color: var(--color-muted);
    font-size: 1.125rem;
}

.shelf {
    display: grid;
    gap: var(--space-lg);
}

.book-card {
    display: grid;
    grid-template-columns: 6.5rem 1fr;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--color-surface);
    border: 1px solid var(--color-rule);
    border-radius: var(--radius-lg);
    scroll-margin-top: var(--space-lg);
}

.book-card h2 {
    font-size: 1.25rem;
    margin-bottom: var(--space-2xs);
}

.book-card h2 a {
    text-decoration: none;
}

.book-card h2 a:hover {
    text-decoration: underline;
}

.book-sub {
    color: var(--color-muted);
    margin-bottom: var(--space-xs);
}

.book-meta {
    font-size: 0.9rem;
    color: var(--color-muted);
}

.book-card-foot {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-sm) var(--space-md);
}

.price {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.35rem;
}

.price-lg {
    font-size: 2rem;
    margin-bottom: var(--space-sm);
}

@media (min-width: 640px) {
    .shelf {
        grid-template-columns: repeat(auto-fill, minmax(19rem, 1fr));
    }

    .book-card {
        grid-template-columns: 1fr;
        align-content: start;
        padding: var(--space-lg);
    }

    .book-card-cover {
        max-width: 13rem;
    }
}

.how {
    margin-top: var(--space-3xl);
    max-width: 44rem;
}

.steps {
    margin: 0;
    padding-left: 1.4em;
    display: grid;
    gap: var(--space-sm);
}

/* --- Kapaklar ------------------------------------------------------------------- */

.cover {
    width: 100%;
    height: auto;
    aspect-ratio: 1749 / 2481;
    object-fit: cover;
    border-radius: 0.375rem;
    box-shadow: 0 0.75rem 2rem oklch(0% 0 0 / 0.45);
}

.cover-text {
    --cover-accent: var(--color-accent);
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 0.5em;
    padding: 9% 9% 10%;
    overflow: hidden;
    background:
        linear-gradient(180deg, oklch(12% 0.01 25) 0%, oklch(17% 0.015 25) 100%);
    color: oklch(96% 0.006 40);
    font-size: clamp(0.45rem, 2.4vw, 0.95rem);
    container-type: inline-size;
}

.cover-orange {
    --cover-accent: oklch(70% 0.17 55);
    --cover-tag-ink: oklch(16% 0.01 40);
}

.cover-blue {
    --cover-accent: oklch(52% 0.13 245);
}

.cover-text::after {
    content: "";
    position: absolute;
    inset: auto 0 0;
    height: 6%;
    background: var(--cover-accent);
}

.cover-tag {
    align-self: flex-start;
    padding: 0.35em 0.7em;
    background: var(--cover-accent);
    color: var(--cover-tag-ink, #fff);
    font-weight: 700;
    font-size: 6cqi;
    letter-spacing: 0.15em;
}

.cover-title {
    margin-top: auto;
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 11.5cqi;
    line-height: 1.05;
    overflow-wrap: anywhere;
    hyphens: auto;
}

.cover-sub {
    font-size: 6cqi;
    line-height: 1.3;
    color: oklch(80% 0.01 40);
}

.cover-author {
    margin-top: 6%;
    margin-bottom: 6%;
    font-size: 5.5cqi;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: oklch(80% 0.01 40);
}

/* --- Kitap sayfası ------------------------------------------------------------- */

.crumb {
    margin: var(--space-lg) 0 var(--space-md);
}

.crumb a {
    display: inline-flex;
    padding-block: 0.6rem;
    align-items: center;
    gap: 0.4em;
    color: var(--color-muted);
    text-decoration: none;
}

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

.book-top {
    display: grid;
    gap: var(--space-xl);
}

.book-cover {
    max-width: 15rem;
}

.lead {
    font-size: 1.2rem;
}

.byline {
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-size: 0.85rem;
    color: var(--color-muted);
}

.buy-box {
    margin-top: var(--space-lg);
    padding: var(--space-lg);
    background: var(--color-surface);
    border: 1px solid var(--color-rule);
    border-radius: var(--radius-lg);
    max-width: 26rem;
}

.perks {
    list-style: none;
    margin: var(--space-md) 0 0;
    padding: 0;
    display: grid;
    gap: var(--space-xs);
    font-size: 0.95rem;
    color: var(--color-muted);
}

.perks li {
    display: flex;
    gap: 0.5em;
}

.perks .icon {
    margin-top: 0.25em;
    color: var(--color-success);
}

@media (min-width: 760px) {
    .book-top {
        grid-template-columns: 17rem 1fr;
        align-items: start;
    }

    .book-cover {
        max-width: none;
        position: sticky;
        top: var(--space-lg);
    }
}

.prose {
    max-width: 44rem;
    margin-top: var(--space-2xl);
}

.prose h2 {
    margin-top: var(--space-xl);
}

.prose ul {
    padding-left: 1.2em;
    display: grid;
    gap: var(--space-xs);
}

.prose ul.ticks {
    list-style: none;
    padding-left: 0;
}

.prose ul.ticks li {
    position: relative;
    padding-left: 1.6em;
}

.prose ul.ticks li::before {
    content: "";
    position: absolute;
    left: 0.2em;
    top: 0.55em;
    width: 0.55em;
    height: 0.55em;
    background: var(--color-accent);
    border-radius: 2px;
}

.version-notes {
    padding: var(--space-sm) var(--space-md);
    border-left: 3px solid var(--color-accent);
    background: var(--color-surface);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.version-notes p:last-child {
    margin-bottom: 0;
}

/* --- Formlar ------------------------------------------------------------------- */

.panel {
    margin-top: var(--space-2xl);
    padding: var(--space-lg);
    max-width: 36rem;
    background: var(--color-surface);
    border: 1px solid var(--color-rule);
    border-radius: var(--radius-lg);
    scroll-margin-top: var(--space-lg);
}

.stack {
    display: grid;
    gap: var(--space-md);
}

.field {
    display: grid;
    gap: var(--space-2xs);
}

.field label {
    font-weight: 600;
}

input[type="text"],
input[type="email"],
input[type="tel"] {
    width: 100%;
    min-height: 2.875rem;
    padding: 0.55em 0.8em;
    border: 1px solid var(--color-rule-strong);
    border-radius: var(--radius-sm);
    background: var(--color-paper);
    color: var(--color-ink);
    font: inherit;
}

input:focus-visible {
    outline: 2px solid var(--color-focus);
    outline-offset: 1px;
}

input[aria-invalid="true"] {
    border-color: var(--color-danger);
}

.hint {
    margin: 0;
    font-size: 0.875rem;
    color: var(--color-muted);
}

.field-error {
    margin: 0;
    font-size: 0.9rem;
    color: var(--color-danger);
}

.field-check {
    grid-template-columns: auto 1fr;
    align-items: start;
    gap: var(--space-sm);
}

.field-check input {
    width: 1.25rem;
    height: 1.25rem;
    margin: 0.2em 0 0;
    accent-color: var(--color-accent-fill);
}

.field-check label {
    font-weight: 400;
    font-size: 0.95rem;
}

.order-summary {
    display: flex;
    justify-content: space-between;
    gap: var(--space-md);
    padding: var(--space-sm) 0;
    border-block: 1px solid var(--color-rule);
}

.inline-form {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.inline-form input {
    flex: 1 1 14rem;
}

/* --- Sipariş takip ------------------------------------------------------------- */

.order {
    padding-top: var(--space-xl);
}

.status-pill {
    display: inline-block;
    padding: 0.25em 0.9em;
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: 0.9rem;
    background: var(--color-surface-2);
    border: 1px solid var(--color-rule-strong);
}

.status-paid {
    border-color: color-mix(in oklch, var(--color-success) 60%, transparent);
    color: var(--color-success);
}

.status-cancelled {
    color: var(--color-danger);
}

.timeline {
    list-style: none;
    margin: var(--space-lg) 0 0;
    padding: 0;
    display: grid;
    gap: var(--space-xs);
}

.timeline li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-muted);
}

.timeline li::before {
    content: "";
    width: 1.1rem;
    height: 1.1rem;
    border-radius: 50%;
    border: 2px solid var(--color-rule-strong);
    flex: none;
}

.timeline li.is-done {
    color: var(--color-ink);
}

.timeline li.is-done::before {
    display: none;
}

.timeline li.is-done .icon {
    width: 1.1rem;
    height: 1.1rem;
    color: var(--color-success);
}

.pay {
    display: grid;
    gap: var(--space-sm);
    margin: var(--space-md) 0;
}

.pay div {
    display: grid;
    gap: 0.1rem;
}

.pay dt {
    font-size: 0.85rem;
    color: var(--color-muted);
}

.pay dd {
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-xs) var(--space-sm);
}

.copyable {
    font-family: ui-monospace, "Cascadia Mono", Consolas, monospace;
    font-size: 1rem;
    overflow-wrap: anywhere;
    /* IBAN dar ekranda sona tek grup kalacak şekilde değil, dengeli bölünsün */
    text-wrap: balance;
}

.code-big {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-ink);
    letter-spacing: 0.06em;
}

.downloads {
    list-style: none;
    margin: var(--space-md) 0;
    padding: 0;
    display: grid;
    gap: var(--space-sm);
}

.history summary {
    cursor: pointer;
    font-weight: 700;
}

.history ul {
    margin: var(--space-md) 0 0;
    padding-left: 1.2em;
    display: grid;
    gap: var(--space-sm);
}

.bookmark {
    display: flex;
    gap: 0.5em;
    margin-top: var(--space-xl);
}

.bookmark .icon {
    margin-top: 0.2em;
}

.message,
.legal {
    padding-top: var(--space-xl);
    max-width: 44rem;
}

.legal p {
    white-space: normal;
}

/* Kopyalandı bildirimi */
.toast {
    position: fixed;
    left: 50%;
    top: calc(var(--space-md) + env(safe-area-inset-top));
    z-index: var(--z-toast);
    transform: translate(-50%, -1rem);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    background: var(--color-ink);
    color: var(--color-paper);
    font-weight: 700;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--dur-short) var(--ease-out), transform var(--dur-short) var(--ease-out);
}

.toast.is-visible {
    opacity: 1;
    transform: translate(-50%, 0);
}

/* Vitrin kartında kapak bir bağlantı: içindeki yazılar altı çizili olmasın */
.book-card-cover {
    display: block;
    color: inherit;
    text-decoration: none;
}

/* Küçük yazılı kapakta (telefondaki vitrin kartı) okunmayacak kadar küçülen satırlar gizlenir */
@container (max-width: 9rem) {
    .cover-tag,
    .cover-sub,
    .cover-author {
        display: none;
    }

    .cover-title {
        font-size: 10.5cqi;
        overflow-wrap: break-word;
        hyphens: manual;
        margin-bottom: 14%;
    }
}

/* Dar telefonda üst bantta yalnızca ikon: marka adı tek satırda kalsın */
@media (max-width: 420px) {
    .head-link span {
        position: absolute;
        width: 1px;
        height: 1px;
        overflow: hidden;
        clip: rect(0 0 0 0);
        white-space: nowrap;
    }

    .head-link {
        min-width: 2.5rem;
        min-height: 2.5rem;
        justify-content: center;
    }
}

/* Test modu şeridi: her sayfanın üstünde, kaydırınca da görünür */
.test-banner {
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    padding-block: var(--space-xs);
    background: oklch(80% 0.15 85);
    color: oklch(20% 0.02 60);
    font-size: 0.95rem;
}

/* --- SEO / yapay zekâ için görünür içerik: gezinti yolu, bilgi kutusu, SSS, yazar, seri --- */

.crumb ol {
    display: flex;
    flex-wrap: wrap;
    gap: 0 0.5em;
    margin: 0;
    padding: 0;
    list-style: none;
    color: var(--color-muted);
}

.crumb li + li::before {
    content: "›";
    margin-right: 0.5em;
}

.crumb li[aria-current] {
    color: var(--color-ink);
}

.facts {
    display: grid;
    gap: 0;
    margin: var(--space-md) 0 0;
    max-width: 26rem;
    border-top: 1px solid var(--color-rule);
}

.facts div {
    display: grid;
    grid-template-columns: 8.5rem 1fr;
    gap: var(--space-sm);
    padding: var(--space-xs) 0;
    border-bottom: 1px solid var(--color-rule);
    font-size: 0.95rem;
}

.facts dt {
    color: var(--color-muted);
}

.facts dd {
    margin: 0;
}

.faq .qa {
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--color-rule);
}

.faq .qa h2,
.faq .qa h3 {
    margin: 0 0 var(--space-xs);
    font-size: 1.1rem;
}

.faq .qa p {
    margin: 0;
}

.others,
.author {
    margin-top: var(--space-2xl);
    max-width: 44rem;
}

.others ul {
    padding-left: 1.2em;
    display: grid;
    gap: var(--space-xs);
}

.author {
    padding: var(--space-lg);
    background: var(--color-surface);
    border: 1px solid var(--color-rule);
    border-radius: var(--radius-lg);
}

.author p:last-child {
    margin-bottom: 0;
}

.faq-page .lead {
    color: var(--color-muted);
}