/* Businfluencer · ana sayfa v4 tasarım sistemi (Ekim 2026)
 * Ritim: açık kağıt → bir koyu bant (ilke) → açık bölümler → mercan CTA şeridi.
 * Sayfa başına tek koyu, tek dolu mercan yüzey. Gölge ve gradyan yok (hero kanıt kartı hariç).
 */

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

html,
body {
  overflow-x: clip;
}

/* display: grid/flex verilen öğelerde hidden özniteliği ezilmesin. */
[hidden] {
  display: none !important;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-padding-top: 5rem;
}

body {
  margin: 0;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  font-variant-numeric: tabular-nums;
  -webkit-font-smoothing: antialiased;
}

main {
  display: block;
  padding-bottom: var(--section-y);
}

/* Varsayılan: main'in her çocuğu 76rem içerik genişliğinde ortalanır. Koyu bant gibi
   tam genişlik yüzeyler .band ile bu kuraldan çıkar ve içini .band__inner ile hizalar.
   Özgüllük (0,1,1): p/ul/figure gibi öğelerin "margin: 0" sıfırlaması ortalamayı ezmesin. */
main > :not(.band),
.band__inner,
.wrap {
  width: var(--content);
  margin-inline: auto;
}

h1,
h2,
h3,
h4 {
  font-style: normal;
  margin: 0;
  overflow-wrap: anywhere;
  min-width: 0;
  text-wrap: balance;
}

p {
  margin: 0;
  text-wrap: pretty;
}

ul,
ol {
  margin: 0;
}

figure {
  margin: 0;
}

a {
  color: var(--color-ink);
  text-decoration-thickness: var(--rule-hair);
  text-underline-offset: 0.2em;
  transition: color var(--dur-fast) var(--ease-out);
}

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

p a,
li a,
dd a {
  color: var(--color-accent-ink);
}

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

button {
  font: inherit;
}

.num {
  font-variant-numeric: tabular-nums;
}

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

.skip-link {
  position: absolute;
  left: var(--space-sm);
  top: -4rem;
  z-index: 40;
  padding: var(--space-2xs) var(--space-sm);
  background: var(--color-ink);
  color: var(--color-on-ink);
  border-radius: var(--radius-pill);
}

.skip-link:focus {
  top: var(--space-sm);
  color: var(--color-on-ink);
}

/* --- Bölüm ritmi -------------------------------------------------------------- */
.section {
  padding-top: var(--section-y);
}

.section--tight {
  padding-top: clamp(40px, 6vw, 64px);
}

.section--narrow {
  max-width: 48rem;
}

.section-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px 32px;
  margin-bottom: 28px;
}

.section-head > div {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}

.section__title {
  margin-bottom: 28px;
}

.section__note {
  color: var(--color-ink-3);
  font-size: var(--text-sm);
  line-height: 1.55;
  max-width: 40rem;
}

.section-head .section__note,
.section__title + .section__note {
  margin-top: -16px;
  margin-bottom: 28px;
}

.section-head .section__note {
  margin: 0;
}

.section__note--flush {
  margin: 0;
}

.section__note--after {
  margin-top: var(--space-lg);
}

/* Tam genişlik koyu bant (sayfa başına bir tane) */
.band {
  background: var(--color-ink);
  color: var(--color-ink-band);
  margin-top: var(--section-y);
}

.band--first {
  margin-top: 0;
}

.band__inner {
  padding-block: clamp(64px, 10vw, 128px);
  display: flex;
  flex-direction: column;
  gap: clamp(32px, 5vw, 56px);
}

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

/* --- Tipografi ---------------------------------------------------------------- */
.display,
.display-s,
.h1-tool {
  font-weight: 600;
  text-wrap: balance;
}

.display {
  font-size: var(--text-display);
  line-height: 0.94;
  letter-spacing: var(--tracking-display);
}

.display-s {
  font-size: var(--text-display-s);
  line-height: 1;
  letter-spacing: -0.035em;
}

.h1-tool {
  font-size: clamp(2.25rem, 1.6rem + 2.8vw, 3.75rem);
  line-height: 1;
  letter-spacing: -0.035em;
}

.h2 {
  font-size: var(--text-h2);
  font-weight: 600;
  letter-spacing: var(--tracking-h2);
  line-height: 1;
}

.h2--s {
  font-size: var(--text-h2-s);
  letter-spacing: -0.035em;
  line-height: 1.05;
}

.h2--m {
  font-size: var(--text-2xl);
  letter-spacing: -0.035em;
  line-height: 1.1;
}

.h3 {
  font-size: var(--text-xl);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.1;
}

.h4 {
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.2;
}

.lede {
  font-size: var(--text-lg);
  line-height: 1.55;
  color: var(--color-ink-2);
  max-width: 34rem;
}

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

.band .accent-text {
  color: var(--color-accent-on-dark);
}

/* Üst etiket: mercan çizgi + büyük harf */
.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--color-ink-3);
}

.eyebrow::before {
  content: '';
  flex: 0 0 28px;
  height: 2px;
  background: var(--color-accent);
}

.kicker {
  font-size: var(--text-2xs);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--color-ink-3);
}

.kicker--accent {
  color: var(--color-accent-ink);
}

/* Koyu banttaki dev ilke cümlesi */
.statement {
  font-size: var(--text-statement);
  line-height: 1;
  font-weight: 600;
  letter-spacing: var(--tracking-display);
  max-width: 20ch;
  text-wrap: balance;
}

/* --- Düğmeler (pill) ------------------------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2xs);
  min-height: 48px;
  padding: 0 24px;
  border-radius: var(--radius-pill);
  border: var(--rule-hair) solid transparent;
  font: inherit;
  font-size: var(--text-base);
  font-weight: 600;
  line-height: 1.1;
  text-align: center;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition:
    background-color var(--dur-fast) var(--ease-out),
    border-color var(--dur-fast) var(--ease-out),
    color var(--dur-fast) var(--ease-out);
}

.btn:disabled,
.btn[aria-disabled='true'] {
  opacity: 0.5;
  cursor: not-allowed;
}

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

.btn--fill:hover {
  background: oklch(30% 0.012 50);
  color: var(--color-on-ink);
}

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

.btn--outline:hover {
  border-color: var(--color-ink);
  color: var(--color-ink);
}

.btn--ink-outline {
  background: transparent;
  color: var(--color-ink);
  border-color: var(--color-ink);
}

.btn--ink-outline:hover {
  background: var(--color-ink);
  color: var(--color-on-ink);
}

/* Koyu zeminde: kağıt zemin, mürekkep metin */
.btn--light {
  background: var(--color-ink-band);
  color: var(--color-ink);
}

.btn--light:hover {
  background: var(--color-card);
  color: var(--color-ink);
}

.btn--lg {
  min-height: 52px;
  padding: 0 26px;
}

.btn--sm {
  min-height: 36px;
  padding: 0 14px;
  font-size: 0.875rem;
}

.btn--block {
  display: flex;
  width: 100%;
}

.btn[data-state='success'] {
  background: var(--color-success-wash);
  border-color: var(--color-success);
  color: var(--color-success);
}

.btn[aria-busy='true'] {
  opacity: 0.75;
  cursor: progress;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-accent-ink);
  text-decoration: none;
}

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

/* --- Etiketler / chip'ler ------------------------------------------------------- */
.chip {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  font-size: var(--text-sm);
  font-weight: 500;
  line-height: 1.2;
}

.chip--sm {
  padding: 3px 8px;
  font-size: 0.6875rem;
  font-weight: 600;
}

.chip--neutral {
  background: var(--color-chip);
  color: var(--color-ink-3);
}

.chip--outline {
  border: var(--rule-hair) solid var(--color-rule-soft);
  color: var(--color-ink-3);
}

.chip--ink {
  background: var(--color-ink);
  color: var(--color-on-ink);
}

/* Değersiz metrik: kesikli kenar + üstü çizili */
.chip--void {
  border: var(--rule-hair) dashed oklch(45% 0.012 50);
  color: var(--color-ink-band-2);
  text-decoration: line-through;
}

.chip--accent {
  background: var(--color-accent);
  color: var(--color-on-accent);
  font-weight: 700;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  padding: 0;
}

/* Eski araç etiketleri */
.tag {
  display: inline-flex;
  align-self: flex-start;
  align-items: center;
  padding: 3px 8px;
  border-radius: var(--radius-pill);
  background: var(--color-chip);
  color: var(--color-ink-3);
  font-size: var(--text-2xs);
  font-weight: 500;
  white-space: nowrap;
}

.tag--ai {
  background: var(--color-accent-wash);
  color: var(--color-accent-ink);
}

/* --- Üst menü ------------------------------------------------------------------- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 30;
  background: var(--color-paper);
  border-bottom: var(--rule-hair) solid oklch(90% 0.008 70);
  container: sitenav / inline-size;
}

/* Linkler ve "Menü" butonu medya sorgusu olmadan, başlık genişliğine göre (container query)
   görünür: geniş satırda linkler, dar satırda buton. Gizlenen öğe odak sırasından da çıkar. */
.site-nav__row {
  width: var(--content);
  margin-inline: auto;
  padding-block: 10px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  font-weight: 700;
  font-size: 1.0625rem;
  letter-spacing: -0.02em;
  text-decoration: none;
  color: var(--color-ink);
  flex-shrink: 0;
}

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

.brand__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-accent);
}

.site-nav__links {
  display: none;
  flex: 1 1 auto;
  min-width: 0;
}

.site-nav__links ul {
  display: flex;
  gap: 2px;
  list-style: none;
  padding: 0;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 6px;
  min-height: 44px;
  padding: 0 12px;
  border-radius: var(--radius-pill);
  font-size: var(--text-sm);
  font-weight: 500;
  text-decoration: none;
  color: var(--color-ink);
  white-space: nowrap;
}

.nav-link__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
}

.site-nav__menu {
  margin-left: auto;
  flex-shrink: 0;
}

.site-nav__toggle {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 16px;
  border-radius: var(--radius-pill);
  border: var(--rule-hair) solid oklch(85% 0.01 70);
  background: transparent;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-ink);
  cursor: pointer;
  white-space: nowrap;
}

.site-nav__cta {
  display: flex;
  align-items: center;
}

.site-nav__cta .btn {
  min-height: 44px;
  padding: 0 18px;
  font-size: var(--text-sm);
}

.site-nav__sheet {
  flex: 1 0 100%;
  padding: 8px 0 12px;
  border-top: var(--rule-hair) solid oklch(90% 0.008 70);
}

.site-nav__sheet ul {
  display: flex;
  flex-direction: column;
  list-style: none;
  padding: 0;
}

.site-nav__sheet a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 48px;
  font-size: 1.0625rem;
  font-weight: 500;
  text-decoration: none;
  color: var(--color-ink);
  border-bottom: var(--rule-hair) solid oklch(93% 0.006 70);
}

/* Yalın üst bilgi: otorite testi gibi odak akışları */
.site-nav--minimal .site-nav__row {
  width: min(100% - 40px, 30rem);
  padding-block: 12px;
  justify-content: space-between;
}

.site-nav--minimal {
  border-bottom: 0;
}

.site-nav__context {
  font-size: var(--text-xs);
  color: var(--color-ink-3);
}

/* --- Alt bilgi --------------------------------------------------------------------- */
.site-foot {
  border-top: var(--rule-hair) solid oklch(90% 0.008 70);
}

.site-foot__inner {
  width: var(--content);
  margin-inline: auto;
  padding: 48px 0 max(32px, env(safe-area-inset-bottom));
  display: flex;
  flex-wrap: wrap;
  gap: 40px 32px;
}

.site-foot__brand {
  flex: 2 1 240px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.site-foot__brand .brand {
  min-height: 0;
}

.site-foot__tagline {
  font-size: 0.875rem;
  color: var(--color-ink-3);
}

.site-foot__col {
  flex: 1 1 190px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.site-foot__title {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-ink-3);
  margin-bottom: 6px;
}

.site-foot__col ul {
  list-style: none;
  padding: 0;
}

.site-foot__col a {
  display: flex;
  align-items: center;
  min-height: 32px;
  white-space: nowrap;
  font-size: 0.875rem;
  text-decoration: none;
  color: var(--color-ink);
}

.site-foot__col a:hover {
  color: var(--color-accent-ink);
}

.site-foot__legal {
  flex: 1 0 100%;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
  padding-top: 24px;
  border-top: var(--rule-hair) solid oklch(93% 0.006 70);
  font-size: var(--text-xs);
  color: var(--color-ink-3);
}

/* JS yokken menü :target ile açılır; menu.js aria-expanded ile aynı sınıfı yönetir. */
.site-nav__sheet {
  display: none;
}

.site-nav__sheet:target,
.site-nav__sheet.is-open {
  display: block;
}

.site-nav__sheet-cta {
  display: none;
}

@container sitenav (min-width: 50rem) {
  .site-nav__links {
    display: block;
  }

  .site-nav__menu,
  .site-nav__sheet,
  .site-nav__sheet:target,
  .site-nav__sheet.is-open {
    display: none;
  }
}

/* Çok dar ekranda "Teşhis al" satırdan menüye taşınır, satır tek satırda kalır. */
@container sitenav (max-width: 24rem) {
  .site-nav__cta {
    display: none;
  }

  .site-nav__sheet-cta {
    display: flex;
    margin-top: 12px;
  }
}