/* ==========================================================================
   RESWONS 2026 — Design System
   Tokens, typography, base, buttons, layout primitives
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Inter+Tight:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* ---------- Tokens ---------- */
:root {
  /* Renkler */
  --rw-ink: #0A0A0A;
  --rw-paper: #F8F8F8;
  --rw-volt: #0066FF;
  --rw-volt-soft: #3D8BFF;
  --rw-volt-deep: #0047B3;

  --rw-gray-900: #161616;
  --rw-gray-800: #1F1F1F;
  --rw-gray-700: #2B2B2B;
  --rw-gray-600: #404040;
  --rw-gray-500: #6B6B6B;
  --rw-gray-400: #8B8B8B;
  --rw-gray-300: #B8B8B8;
  --rw-gray-200: #E0E0E0;
  --rw-gray-100: #EFEFEF;

  /* Yüzeyler (varsayılan: dark) */
  --surface-0: var(--rw-ink);
  --surface-1: var(--rw-gray-900);
  --surface-2: var(--rw-gray-800);
  --surface-3: var(--rw-gray-700);

  --text-primary: var(--rw-paper);
  --text-secondary: var(--rw-gray-300);
  --text-tertiary: var(--rw-gray-500);

  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-default: rgba(255, 255, 255, 0.14);
  --border-strong: rgba(255, 255, 255, 0.24);

  /* Font ailesi */
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'Inter Tight', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;

  /* Tipografi ölçeği (fluid) */
  --fs-xs: clamp(0.75rem, 0.72rem + 0.15vw, 0.8125rem);
  --fs-sm: clamp(0.875rem, 0.84rem + 0.18vw, 0.9375rem);
  --fs-base: clamp(1rem, 0.95rem + 0.25vw, 1.0625rem);
  --fs-lg: clamp(1.125rem, 1.05rem + 0.4vw, 1.25rem);
  --fs-xl: clamp(1.375rem, 1.25rem + 0.6vw, 1.625rem);
  --fs-2xl: clamp(1.75rem, 1.5rem + 1.2vw, 2.25rem);
  --fs-3xl: clamp(2.25rem, 1.85rem + 2vw, 3.25rem);
  --fs-4xl: clamp(3rem, 2.4rem + 3vw, 4.75rem);
  --fs-5xl: clamp(3.75rem, 2.8rem + 4.5vw, 6.5rem);

  /* Aralık (8px ızgara) */
  --sp-1: 0.25rem;
  --sp-2: 0.5rem;
  --sp-3: 0.75rem;
  --sp-4: 1rem;
  --sp-5: 1.25rem;
  --sp-6: 1.5rem;
  --sp-8: 2rem;
  --sp-10: 2.5rem;
  --sp-12: 3rem;
  --sp-16: 4rem;
  --sp-20: 5rem;
  --sp-24: 6rem;
  --sp-32: 8rem;

  /* Radius */
  --r-sm: 6px;
  --r-md: 12px;
  --r-lg: 20px;
  --r-xl: 28px;
  --r-2xl: 40px;

  /* Easing */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --ease-volt: cubic-bezier(0.83, 0, 0.17, 1);

  /* Süreler */
  --dur-fast: 180ms;
  --dur-base: 280ms;
  --dur-slow: 480ms;
  --dur-curtain: 700ms;

  /* Container */
  --container-max: 1320px;
  --container-pad: clamp(1rem, 4vw, 2.5rem);

  /* Z-index */
  --z-base: 1;
  --z-sticky: 100;
  --z-header: 200;
  --z-overlay: 800;
  --z-curtain: 900;
  --z-modal: 1000;
}

/* Light tema (body.rw-light) */
body.rw-light {
  --surface-0: var(--rw-paper);
  --surface-1: #FFFFFF;
  --surface-2: #F1F1F1;
  --surface-3: var(--rw-gray-200);

  --text-primary: var(--rw-ink);
  --text-secondary: #3A3A3A;
  --text-tertiary: #6B6B6B;

  --border-subtle: rgba(10, 10, 10, 0.06);
  --border-default: rgba(10, 10, 10, 0.12);
  --border-strong: rgba(10, 10, 10, 0.22);
}

/* Açık temada koyu kart varyantı yine koyu kalır — kontrast için bilinçli */
body.rw-light .rw-cell-dark {
  background: var(--rw-ink);
  color: var(--rw-paper);
  border-color: var(--rw-gray-700);
}
body.rw-light .rw-cell-dark h2,
body.rw-light .rw-cell-dark h3,
body.rw-light .rw-cell-dark p { color: inherit; }
body.rw-light .rw-cell-dark .rw-eyebrow {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.18);
  color: rgba(255,255,255,0.7);
}

/* Açık temada brand mark daima koyu kalır (kimlik tutarlılığı) */
body.rw-light .rw-brand-mark {
  background: var(--rw-ink);
  color: var(--rw-paper);
}

/* Curtain rengi açık temada da volt mavi kalır */
body.rw-light .rw-curtain { background: var(--rw-volt); }

/* Açık tema seçim rengi */
body.rw-light ::selection {
  background: var(--rw-volt);
  color: white;
}

/* Açık temada cursor dot karışım modu */
body.rw-light .rw-cursor-dot { mix-blend-mode: multiply; }

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

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

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--surface-0);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

body.rw-2026 {
  font-feature-settings: "ss01", "cv11";
}

/* Eski tema dosyalarından izole et */
body.rw-2026 .rw-noise,
body.rw-2026 .rw-cursor-light,
body.rw-2026 .rw-hero-aurora,
body.rw-2026 .rw-hero-grid,
body.rw-2026 .rw-radar {
  display: none !important;
}

a {
  color: inherit;
  text-decoration: none;
}

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

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}

::selection {
  background: var(--rw-volt);
  color: white;
}

/* ---------- Tipografi ---------- */
.rw-2026 h1,
.rw-2026 h2,
.rw-2026 h3,
.rw-2026 h4 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin: 0 0 var(--sp-4);
  color: var(--text-primary);
}

.rw-2026 h1 { font-size: var(--fs-5xl); letter-spacing: -0.035em; }
.rw-2026 h2 { font-size: var(--fs-4xl); letter-spacing: -0.03em; }
.rw-2026 h3 { font-size: var(--fs-2xl); letter-spacing: -0.02em; }
.rw-2026 h4 { font-size: var(--fs-xl); }

.rw-2026 p {
  margin: 0 0 var(--sp-4);
  color: var(--text-secondary);
  max-width: 65ch;
}

.rw-display {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 0.95;
}

.rw-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-tertiary);
  padding: var(--sp-2) var(--sp-3);
  border: 1px solid var(--border-default);
  border-radius: 999px;
  background: var(--surface-1);
}

.rw-eyebrow::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--rw-volt);
  box-shadow: 0 0 0 4px rgba(0, 102, 255, 0.18);
}

.rw-lead {
  font-size: var(--fs-lg);
  line-height: 1.55;
  color: var(--text-secondary);
  max-width: 56ch;
}

.rw-mono {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.rw-text-volt { color: var(--rw-volt); }
.rw-text-mute { color: var(--text-tertiary); }

/* ---------- Layout primitives ---------- */
.rw-container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.rw-section {
  padding-block: clamp(4rem, 10vw, 8rem);
  position: relative;
}

.rw-section-tight { padding-block: clamp(3rem, 6vw, 5rem); }
.rw-section-loose { padding-block: clamp(6rem, 14vw, 12rem); }

.rw-section-head {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  max-width: 720px;
  margin-bottom: var(--sp-12);
}

.rw-section-head.center {
  align-items: center;
  text-align: center;
  margin-inline: auto;
}

.rw-divider {
  height: 1px;
  width: 100%;
  background: var(--border-subtle);
  margin-block: var(--sp-12);
}

/* ---------- Header ---------- */
.rw-2026 .rw-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: var(--z-header);
  padding: var(--sp-4) 0;
  background: color-mix(in oklab, var(--surface-0) 86%, transparent);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border-bottom: 1px solid var(--border-subtle);
  transition: padding var(--dur-base) var(--ease-out);
}

.rw-2026 .rw-header.scrolled {
  padding: var(--sp-3) 0;
}

.rw-2026 .rw-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-6);
}

.rw-2026 .rw-brand {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-primary);
}

.rw-2026 .rw-brand-mark {
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--rw-paper);
  background: var(--rw-ink);
  border: 1px solid var(--rw-volt);
  border-radius: var(--r-sm);
  letter-spacing: 0;
}

body.rw-light.rw-2026 .rw-brand-mark {
  background: var(--rw-ink);
  color: var(--rw-paper);
}

.rw-2026 .rw-brand-text strong {
  display: block;
  font-weight: 600;
  letter-spacing: 0.18em;
}

.rw-2026 .rw-brand-text span {
  display: block;
  color: var(--text-tertiary);
  font-size: 10px;
  letter-spacing: 0.2em;
}

.rw-2026 .rw-nav {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
}

.rw-2026 .rw-nav a {
  position: relative;
  display: inline-block;
  padding: var(--sp-2) var(--sp-3);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-secondary);
  border-radius: var(--r-sm);
  transition: color var(--dur-fast) var(--ease-out);
}

.rw-2026 .rw-nav a:hover,
.rw-2026 .rw-nav a.active {
  color: var(--text-primary);
}

.rw-2026 .rw-nav a::after {
  content: '';
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 4px;
  height: 1px;
  background: var(--rw-volt);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-base) var(--ease-out);
}

.rw-2026 .rw-nav a:hover::after,
.rw-2026 .rw-nav a.active::after {
  transform: scaleX(1);
}

.rw-2026 .rw-header-actions {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

.rw-2026 .rw-icon-btn {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  color: var(--text-secondary);
  border: 1px solid var(--border-default);
  border-radius: var(--r-sm);
  background: transparent;
  transition: color var(--dur-fast), border-color var(--dur-fast), background var(--dur-fast);
}

.rw-2026 .rw-icon-btn:hover {
  color: var(--text-primary);
  border-color: var(--rw-volt);
  background: color-mix(in oklab, var(--rw-volt) 10%, transparent);
}

.rw-2026 .rw-lang {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  padding: 0 var(--sp-2);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  border: 1px solid var(--border-default);
  border-radius: var(--r-sm);
  height: 38px;
}

.rw-2026 .rw-lang button {
  padding: 0 var(--sp-2);
  color: var(--text-tertiary);
  transition: color var(--dur-fast);
}

.rw-2026 .rw-lang button.active {
  color: var(--rw-volt);
}

.rw-2026 .rw-lang span { color: var(--border-strong); }

/* Tema toggle butonu */
.rw-2026 .rw-theme-toggle {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--border-default);
  border-radius: var(--r-sm);
  background: transparent;
  color: var(--text-secondary);
  transition: color var(--dur-fast), border-color var(--dur-fast), background var(--dur-fast);
  position: relative;
  overflow: hidden;
}
.rw-2026 .rw-theme-toggle:hover {
  color: var(--rw-volt);
  border-color: var(--rw-volt);
  background: color-mix(in oklab, var(--rw-volt) 10%, transparent);
}
.rw-2026 .rw-theme-toggle .bi {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  transition: opacity var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out);
}
.rw-2026 .rw-theme-toggle .bi-sun       { opacity: 0; transform: rotate(-90deg) scale(0.6); }
.rw-2026 .rw-theme-toggle .bi-moon      { opacity: 1; transform: rotate(0)      scale(1);   }
body.rw-light .rw-theme-toggle .bi-sun  { opacity: 1; transform: rotate(0)      scale(1);   }
body.rw-light .rw-theme-toggle .bi-moon { opacity: 0; transform: rotate(90deg)  scale(0.6); }

/* Tema geçiş anı – tüm renkler 200ms ile yumuşar */
body.rw-2026 {
  transition: background-color 220ms var(--ease-out), color 220ms var(--ease-out);
}
body.rw-2026 * {
  transition-property: background-color, border-color, color, fill, stroke;
  transition-duration: 220ms;
  transition-timing-function: var(--ease-out);
}
/* Ama animasyon yapan elementlere dokunma — kendi transition'larını kullanır */
body.rw-2026 .rw-curtain,
body.rw-2026 .rw-magnet,
body.rw-2026 [data-rw-reveal],
body.rw-2026 [data-rw-reveal-group] > *,
body.rw-2026 [data-rw-parallax],
body.rw-2026 .rw-cell,
body.rw-2026 .rw-cell::before,
body.rw-2026 .rw-marquee-track {
  transition-property: all;
}

/* Mobile nav toggle */
.rw-2026 .rw-mobile-toggle {
  display: none;
  width: 38px;
  height: 38px;
  border: 1px solid var(--border-default);
  border-radius: var(--r-sm);
}

@media (max-width: 991px) {
  .rw-2026 .rw-nav {
    position: fixed;
    inset: 64px 0 0 0;
    flex-direction: column;
    align-items: stretch;
    padding: var(--sp-8) var(--container-pad);
    background: var(--surface-0);
    border-top: 1px solid var(--border-subtle);
    transform: translateY(-100%);
    transition: transform var(--dur-slow) var(--ease-out);
    z-index: var(--z-overlay);
  }
  .rw-2026 .rw-nav.open {
    transform: translateY(0);
  }
  .rw-2026 .rw-nav a {
    padding: var(--sp-4);
    font-size: var(--fs-sm);
    border-bottom: 1px solid var(--border-subtle);
  }
  .rw-2026 .rw-mobile-toggle {
    display: inline-grid;
    place-items: center;
  }
}

/* ---------- Body padding for fixed header ---------- */
.rw-2026 main {
  padding-top: 80px;
}

/* ---------- Buttons ---------- */
.rw-btn {
  --btn-bg: var(--rw-volt);
  --btn-color: white;
  --btn-border: var(--rw-volt);
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-4) var(--sp-6);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--btn-color);
  background: var(--btn-bg);
  border: 1px solid var(--btn-border);
  border-radius: var(--r-sm);
  cursor: pointer;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
  transition: transform var(--dur-base) var(--ease-out);
  will-change: transform;
}

.rw-btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(255, 255, 255, 0.25) 50%, transparent 70%);
  transform: translateX(-100%);
  transition: transform var(--dur-slow) var(--ease-out);
}

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

.rw-btn-ghost {
  --btn-bg: transparent;
  --btn-color: var(--text-primary);
  --btn-border: var(--border-strong);
}

.rw-btn-ghost:hover {
  --btn-border: var(--rw-volt);
  --btn-color: var(--rw-volt);
}

.rw-btn-icon i {
  font-size: 1rem;
  transition: transform var(--dur-base) var(--ease-out);
}

.rw-btn:hover .rw-btn-icon i,
.rw-btn:hover i { transform: translateX(3px); }

/* Magnetic alanı */
.rw-magnet {
  display: inline-block;
  transition: transform var(--dur-base) var(--ease-out);
}

.rw-btn-primary {
  box-shadow: 0 4px 14px 0 rgba(0, 102, 255, 0.39);
  transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
}
.rw-btn-primary:hover {
  box-shadow: 0 6px 20px rgba(0, 102, 255, 0.23);
  transform: translateY(-2px);
}
.rw-btn-sm {
  padding: var(--sp-2) var(--sp-4);
  font-size: 10px;
}

/* ---------- FAQ ---------- */
.rw-faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}
.rw-faq-item {
  background: var(--surface-1);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-md);
  overflow: hidden;
  transition: border-color var(--dur-fast);
}
.rw-faq-item:hover {
  border-color: var(--rw-volt);
}
.rw-faq-item summary {
  padding: var(--sp-4) var(--sp-6);
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--fs-lg);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.rw-faq-item summary::-webkit-details-marker {
  display: none;
}
.rw-faq-item summary::after {
  content: '+';
  font-size: 1.5rem;
  color: var(--rw-volt);
  transition: transform var(--dur-fast);
}
.rw-faq-item[open] summary::after {
  transform: rotate(45deg);
}
.rw-faq-content {
  padding: 0 var(--sp-6) var(--sp-6);
  color: var(--text-secondary);
  font-size: var(--fs-base);
  line-height: 1.6;
}

/* ---------- Marquee ---------- */
.rw-marquee {
  overflow: hidden;
  border-block: 1px solid var(--border-subtle);
  background: var(--surface-1);
  padding-block: var(--sp-4);
}

.rw-marquee-track {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-8);
  white-space: nowrap;
  animation: rw-marquee-scroll 38s linear infinite;
  will-change: transform;
}

.rw-marquee:hover .rw-marquee-track {
  animation-play-state: paused;
}

.rw-marquee-track > span {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.25rem, 2.4vw, 2rem);
  letter-spacing: -0.02em;
  color: var(--text-primary);
  -webkit-text-stroke: 1px var(--text-primary);
  -webkit-text-fill-color: transparent;
}

.rw-marquee-track > i.dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--rw-volt);
  flex: 0 0 auto;
}

@keyframes rw-marquee-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ---------- Footer ---------- */
.rw-2026 .rw-footer {
  background: var(--surface-1);
  border-top: 1px solid var(--border-subtle);
  padding: var(--sp-16) 0 var(--sp-8);
  margin-top: var(--sp-24);
}

.rw-2026 .rw-footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: var(--sp-12);
}

.rw-2026 .rw-footer-grid h5 {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-tertiary);
  margin: 0 0 var(--sp-4);
}

.rw-2026 .rw-footer-grid ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.rw-2026 .rw-footer-grid a {
  color: var(--text-secondary);
  font-size: var(--fs-sm);
  transition: color var(--dur-fast);
}

.rw-2026 .rw-footer-grid a:hover { color: var(--rw-volt); }

.rw-2026 .rw-footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: var(--sp-4);
  align-items: center;
  margin-top: var(--sp-12);
  padding-top: var(--sp-6);
  border-top: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

@media (max-width: 768px) {
  .rw-2026 .rw-footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-8);
  }
  .rw-2026 .rw-footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ---------- Erişilebilirlik ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

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

.rw-skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--rw-volt);
  color: white;
  padding: var(--sp-3) var(--sp-4);
  z-index: var(--z-modal);
}

.rw-skip-link:focus { left: var(--sp-4); top: var(--sp-4); }

*:focus-visible {
  outline: 2px solid var(--rw-volt);
  outline-offset: 3px;
  border-radius: var(--r-sm);
}