/**
 * betcup-site — Ana stil dosyası
 * Arial tipografi, premium koyu tema, responsive grid
 * Performans: transform/opacity animasyonları, prefers-reduced-motion desteği
 */

/* -------------------------------------------------------------------------- */
/* 1. CSS değişkenleri (tasarım tokenları)                                     */
/* -------------------------------------------------------------------------- */
:root {
  --color-bg-deep: #0a0e14;
  --color-bg-panel: #111822;
  --color-bg-elevated: #161d2a;
  --color-border: rgba(255, 255, 255, 0.08);
  --color-text: #e8ecf2;
  --color-muted: #9aa4b2;
  --color-accent: #3d9fff;
  --color-accent-soft: rgba(61, 159, 255, 0.15);
  --color-gold: #c9a227;
  --color-success: #2ee59d;
  --shadow-header: 0 4px 24px rgba(0, 0, 0, 0.35);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --space-xs: 0.35rem;
  --space-sm: 0.75rem;
  --space-md: 1.25rem;
  --space-lg: 2rem;
  --space-xl: 3.5rem;
  --max-width: 1120px;
  --header-h: 72px;
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: 180ms var(--ease-smooth);
  --transition-med: 320ms var(--ease-out-expo);
  --transition-slow: 520ms var(--ease-out-expo);
}

/* -------------------------------------------------------------------------- */
/* 2. Reset ve temel tipografi                                                 */
/* -------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Erişilebilirlik: “İçeriğe atla” bağlantısı yalnızca klavye odağında görünür */
.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link:focus {
  position: fixed;
  left: 1rem;
  top: 1rem;
  width: auto;
  height: auto;
  z-index: 2000;
  padding: 0.65rem 1rem;
  background: var(--color-accent);
  color: #fff;
  border-radius: var(--radius-sm);
  clip: auto;
  overflow: visible;
  font-weight: 700;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-bg-deep);
  background-image:
    radial-gradient(ellipse 120% 80% at 50% -20%, rgba(61, 159, 255, 0.12), transparent),
    radial-gradient(ellipse 80% 50% at 100% 50%, rgba(201, 162, 39, 0.06), transparent);
  min-height: 100vh;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast), opacity var(--transition-fast);
}

a:hover {
  color: #6bb5ff;
}

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

/* -------------------------------------------------------------------------- */
/* 3. Yardımcı layout                                                          */
/* -------------------------------------------------------------------------- */
.container {
  width: min(100% - 2rem, var(--max-width));
  margin-inline: auto;
}

.section {
  padding-block: var(--space-xl);
}

.section--tight {
  padding-block: var(--space-lg);
}

/* Scroll reveal: JS ile .is-visible eklenir */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity var(--transition-slow),
    transform var(--transition-slow);
  will-change: opacity, transform;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal--slide-left {
  transform: translateX(-32px);
}

.reveal--slide-left.is-visible {
  transform: translateX(0);
}

.reveal--slide-right {
  transform: translateX(32px);
}

.reveal--slide-right.is-visible {
  transform: translateX(0);
}

/* -------------------------------------------------------------------------- */
/* 4. Sticky header                                                            */
/* -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: rgba(10, 14, 20, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition:
    height var(--transition-med),
    background var(--transition-med),
    border-color var(--transition-med),
    box-shadow var(--transition-med);
}

.site-header.is-scrolled {
  height: 60px;
  background: rgba(10, 14, 20, 0.92);
  border-bottom-color: var(--color-border);
  box-shadow: var(--shadow-header);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  width: 100%;
}

/* Logo (SVG + metin) — header/footer ortak sınıf */
.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: inherit;
  flex-shrink: 0;
}

.brand-logo svg {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  transition: transform var(--transition-med);
}

.site-header.is-scrolled .brand-logo svg {
  width: 34px;
  height: 34px;
}

.brand-logo:hover svg {
  transform: scale(1.05) rotate(-3deg);
}

.brand-logo__text {
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: 0.04em;
  background: linear-gradient(135deg, #fff 0%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.site-header.is-scrolled .brand-logo__text {
  font-size: 1.1rem;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
  justify-content: flex-end;
}

/* -------------------------------------------------------------------------- */
/* 5. CTA butonları ve micro-interactions                                      */
/* -------------------------------------------------------------------------- */
.btn {
  --btn-bg: var(--color-bg-elevated);
  --btn-border: var(--color-border);
  --btn-color: var(--color-text);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.65rem 1.15rem;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid var(--btn-border);
  background: var(--btn-bg);
  color: var(--btn-color);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition:
    transform var(--transition-fast),
    box-shadow var(--transition-med),
    border-color var(--transition-fast),
    background var(--transition-fast);
}

.btn::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent, rgba(255, 255, 255, 0.12), transparent);
  transform: translateX(-100%);
  transition: transform 0.6s var(--ease-out-expo);
  pointer-events: none;
}

.btn:hover::after {
  transform: translateX(100%);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

.btn:active {
  transform: translateY(0) scale(0.98);
}

.btn--primary {
  --btn-bg: linear-gradient(135deg, #2a7fd4, var(--color-accent));
  --btn-border: rgba(61, 159, 255, 0.45);
  background: linear-gradient(135deg, #2a7fd4, var(--color-accent));
  color: #fff;
}

.btn--primary:hover {
  box-shadow: 0 10px 32px rgba(61, 159, 255, 0.35);
}

.btn--gold {
  --btn-bg: linear-gradient(135deg, #a88620, var(--color-gold));
  background: linear-gradient(135deg, #a88620, var(--color-gold));
  border-color: rgba(201, 162, 39, 0.5);
  color: #0a0e14;
}

.btn--gold:hover {
  box-shadow: 0 10px 28px rgba(201, 162, 39, 0.35);
}

.btn--telegram {
  --btn-bg: linear-gradient(135deg, #229ed9, #0088cc);
  background: linear-gradient(135deg, #229ed9, #0088cc);
  border-color: rgba(255, 255, 255, 0.2);
  color: #fff;
}

.btn--telegram:hover {
  box-shadow: 0 10px 28px rgba(34, 158, 217, 0.45);
}

.btn--pulse {
  animation: btn-pulse 2.4s ease-in-out infinite;
}

@keyframes btn-pulse {
  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(61, 159, 255, 0.35);
  }
  50% {
    box-shadow: 0 0 0 10px rgba(61, 159, 255, 0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .btn--pulse {
    animation: none;
  }
}

.btn__icon {
  width: 1.1em;
  height: 1.1em;
  flex-shrink: 0;
}

/* -------------------------------------------------------------------------- */
/* 6. Hero                                                                     */
/* -------------------------------------------------------------------------- */
.hero {
  padding-block: calc(var(--space-xl) + var(--header-h)) var(--space-xl);
  position: relative;
}

.hero__grid {
  display: grid;
  gap: var(--space-lg);
  align-items: center;
}

@media (min-width: 900px) {
  .hero__grid {
    grid-template-columns: 1.1fr 0.9fr;
  }
}

.hero__badge {
  display: inline-block;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: var(--color-accent-soft);
  color: var(--color-accent);
  border: 1px solid rgba(61, 159, 255, 0.35);
  margin-bottom: var(--space-md);
}

.hero h1 {
  font-size: clamp(1.75rem, 4vw, 2.65rem);
  line-height: 1.15;
  margin: 0 0 var(--space-md);
  letter-spacing: -0.02em;
}

.hero__lead {
  font-size: 1.05rem;
  color: var(--color-muted);
  margin: 0 0 var(--space-lg);
  max-width: 36ch;
}

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

.hero__card {
  background: var(--color-bg-panel);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
  transition: border-color var(--transition-med), transform var(--transition-med);
}

.hero__card:hover {
  border-color: rgba(61, 159, 255, 0.25);
  transform: translateY(-4px);
}

.hero__card h2 {
  font-size: 1rem;
  margin: 0 0 var(--space-sm);
  color: var(--color-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.hero__stat {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-border);
}

.hero__stat:last-child {
  border-bottom: 0;
}

.hero__stat strong {
  font-size: 1.35rem;
  color: var(--color-success);
}

/* -------------------------------------------------------------------------- */
/* 7. İçerik bölümleri                                                          */
/* -------------------------------------------------------------------------- */
.content-block {
  background: var(--color-bg-panel);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  margin-bottom: var(--space-md);
  transition: border-color var(--transition-med);
}

.content-block:hover {
  border-color: rgba(255, 255, 255, 0.12);
}

.content-block h2 {
  margin-top: 0;
  font-size: 1.5rem;
}

.content-block h3 {
  font-size: 1.15rem;
  margin-top: var(--space-lg);
  color: var(--color-text);
}

.content-block p {
  margin: 0 0 var(--space-md);
  color: var(--color-muted);
}

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

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

@media (min-width: 768px) {
  .two-col {
    grid-template-columns: 1fr 1fr;
  }
}

/* -------------------------------------------------------------------------- */
/* 8. FAQ accordion                                                            */
/* -------------------------------------------------------------------------- */
.faq {
  max-width: 800px;
  margin-inline: auto;
}

.faq__title {
  text-align: center;
  margin-bottom: var(--space-lg);
  font-size: clamp(1.5rem, 3vw, 2rem);
}

.accordion {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-bg-panel);
}

.accordion__item + .accordion__item {
  border-top: 1px solid var(--color-border);
}

.accordion__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  text-align: left;
  color: var(--color-text);
  background: transparent;
  border: 0;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.accordion__trigger:hover {
  background: rgba(255, 255, 255, 0.03);
}

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

.accordion__icon {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  position: relative;
  transition: transform var(--transition-med);
}

.accordion__icon::before,
.accordion__icon::after {
  content: "";
  position: absolute;
  background: var(--color-accent);
  border-radius: 2px;
  transition: transform var(--transition-med);
}

.accordion__icon::before {
  width: 14px;
  height: 2px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.accordion__icon::after {
  width: 2px;
  height: 14px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.accordion__item.is-open .accordion__icon::after {
  transform: translate(-50%, -50%) scaleY(0);
}

.accordion__item.is-open .accordion__icon {
  transform: rotate(180deg);
}

.accordion__panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--transition-med);
}

.accordion__item.is-open .accordion__panel {
  grid-template-rows: 1fr;
}

.accordion__panel-inner {
  overflow: hidden;
}

.accordion__body {
  padding: 0 var(--space-lg) var(--space-md);
  color: var(--color-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* -------------------------------------------------------------------------- */
/* 9. Footer                                                                   */
/* -------------------------------------------------------------------------- */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-xl);
  margin-top: var(--space-xl);
  background: rgba(0, 0, 0, 0.25);
}

.site-footer__grid {
  display: grid;
  gap: var(--space-lg);
  align-items: start;
}

@media (min-width: 700px) {
  .site-footer__grid {
    grid-template-columns: 1.2fr 1fr;
  }
}

.site-footer .brand-logo {
  margin-bottom: var(--space-sm);
}

.site-footer p {
  color: var(--color-muted);
  font-size: 0.9rem;
  margin: 0;
  max-width: 42ch;
}

.social-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-bg-elevated);
  color: var(--color-text);
  font-size: 0.9rem;
  font-weight: 600;
  transition:
    transform var(--transition-fast),
    border-color var(--transition-fast),
    background var(--transition-fast);
}

.social-link:hover {
  transform: translateY(-2px);
  border-color: rgba(61, 159, 255, 0.4);
  background: var(--color-bg-panel);
}

.social-link svg {
  width: 20px;
  height: 20px;
}

.footer-meta {
  margin-top: var(--space-xl);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
  font-size: 0.8rem;
  color: var(--color-muted);
  text-align: center;
}

/* -------------------------------------------------------------------------- */
/* 10. Sayfa geçişi (ilk yükleme fade)                                        */
/* -------------------------------------------------------------------------- */
.page-transition {
  opacity: 0;
  transition: opacity 0.5s var(--ease-out-expo);
}

.page-transition.is-ready {
  opacity: 1;
}

/* -------------------------------------------------------------------------- */
/* 11. Tablet / mobil ince ayarlar                                             */
/* -------------------------------------------------------------------------- */
@media (max-width: 599px) {
  :root {
    --header-h: 64px;
  }

  .nav-actions .btn {
    padding: 0.55rem 0.85rem;
    font-size: 0.82rem;
  }

  .hero__ctas {
    flex-direction: column;
    align-items: stretch;
  }

  .hero__ctas .btn {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 899px) {
  .site-header__inner .nav-actions .btn span.optional-label {
    display: none;
  }
}