/* =============================================================================
   Barış Korkut — Premium Landing v3
   Tipografi: Syne (display/başlık), DM Sans (gövde)
   Renk sistemi değişkenleri :root içinde — tek yerden yönet
   ============================================================================= */

/* ─── Design Tokens ─── */
:root {
  /* Arkaplan */
  --bg-deep:     #020509;
  --bg-base:     #060b16;
  --bg-elevated: #0b1322;
  --bg-card:     #0e1624;
  --bg-card-2:   #0a1119;
  --bg-glass:    rgba(10,16,30,0.82);

  /* Sınır */
  --border-subtle: rgba(148, 163, 184, 0.10);
  --border-mid:    rgba(148, 163, 184, 0.18);
  --border-strong: rgba(148, 163, 184, 0.28);
  --border-accent: rgba(56, 189, 248, 0.32);

  /* Metin */
  --text-primary:   #f1f5f9;
  --text-secondary: #c4d1e0;
  --text-muted:     #6b84a0;

  /* Vurgu — ana marka */
  --accent:        #38bdf8;
  --accent-strong: #0ea5e9;
  --accent-dim:    rgba(56, 189, 248, 0.13);
  --accent-glow:   rgba(56, 189, 248, 0.42);
  --accent-violet: #a78bfa;
  --accent-green:  #4ade80;
  --accent-cyan:   #22d3ee;
  --accent-amber:  #fbbf24;
  --accent-rose:   #fb7185;

  /* Gölge */
  --shadow-xs:       0 2px 8px  rgba(0,0,0,0.40);
  --shadow-sm:       0 4px 18px rgba(0,0,0,0.45);
  --shadow-md:       0 8px 36px rgba(0,0,0,0.52);
  --shadow-lg:       0 24px 70px rgba(0,0,0,0.60);
  --shadow-xl:       0 40px 100px rgba(0,0,0,0.65);
  --shadow-glow:     0 0 48px rgba(56, 189, 248, 0.28);
  --shadow-glow-lg:  0 0 80px rgba(56, 189, 248, 0.20);
  --shadow-violet:   0 0 48px rgba(167, 139, 250, 0.20);
  --shadow-green:    0 0 36px rgba(37, 211, 102, 0.32);

  /* Radius */
  --radius-sm:  10px;
  --radius:     16px;
  --radius-lg:  24px;
  --radius-xl:  32px;

  /* Tipografi */
  --font-display: "Syne", system-ui, sans-serif;
  --font-body:    "DM Sans", "Segoe UI", sans-serif;

  /* Boşluk */
  --space-section: clamp(4.5rem, 6vw, 7rem);
  --container: min(1160px, 92vw);
}

/* ─── Reset & Base ─── */
*, *::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;
  }
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  font-weight: 500;
  line-height: 1.72;
  color: var(--text-secondary);
  background-color: var(--bg-base);
  background-image:
    radial-gradient(ellipse 140% 100% at 50% -40%, rgba(56,189,248,0.19) 0%, transparent 52%),
    radial-gradient(ellipse 85% 65% at 98% 3%,   rgba(99,102,241,0.16) 0%, transparent 48%),
    radial-gradient(ellipse 70% 55% at 3%  90%,   rgba(14,165,233,0.09) 0%, transparent 44%);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; transition: color 0.2s; }
a:hover { color: #7dd3fc; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--text-primary);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.03em;
}

/* ─── Utility ─── */
.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; left: -9999px; top: 0;
  padding: 0.75rem 1rem; background: var(--accent);
  color: #0f172a; font-weight: 700; z-index: 200;
}
.skip-link:focus  { left: 1rem; top: 1rem; }
.skip-link:focus-visible { outline: 3px solid #0f172a; outline-offset: 2px; }

.container { width: var(--container); margin-inline: auto; }
.section { padding-block: var(--space-section); }

/* ─── Focus ring system ─── */
:where(a,button,summary,input,select):focus { outline: none; }
:where(a,button,summary,input,select):focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}
.btn:focus-visible { outline-color: #7dd3fc; border-radius: 999px; }

/* ─── Scroll reveal ─── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.reveal.is-visible { opacity: 1; transform: none; }
.reveal--delay { transition-delay: 0.15s; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ═══════════════════════════════════════════════
   HEADER
═══════════════════════════════════════════════ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(7, 12, 24, 0.72);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  border-bottom: 1px solid var(--border-subtle);
  transition: background 0.3s, border-color 0.3s;
}
.site-header.scrolled {
  background: rgba(5, 8, 16, 0.88);
  border-color: var(--border-mid);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  gap: 1.5rem;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 800;
  text-decoration: none;
  letter-spacing: -0.04em;
  display: flex;
  gap: 0.25em;
}
.logo__first { color: var(--text-primary); }
.logo__last  { color: var(--accent); }
.logo:hover .logo__first { color: var(--text-secondary); }
.logo:hover .logo__last  { color: #7dd3fc; }

.nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav__link {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
  text-decoration: none;
  padding: 0.45rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: color 0.2s, background 0.2s;
}
.nav__link:hover  { color: var(--text-primary); background: rgba(255,255,255,0.05); }
.nav__link.active { color: var(--accent); }

.nav-cta {
  border: 1px solid var(--border-mid);
  background: rgba(56, 189, 248, 0.06);
  color: var(--text-primary) !important;
}
.nav-cta:hover {
  border-color: var(--accent);
  background: rgba(56, 189, 248, 0.12);
  color: var(--accent) !important;
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 0 8px;
  flex-shrink: 0;
}
.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--text-secondary);
  border-radius: 2px;
  transition: 0.2s;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-nav {
  padding: 0.5rem 0 1rem;
  display: flex;
  flex-direction: column;
  gap: 2px;
  border-top: 1px solid var(--border-subtle);
}
.mobile-nav[hidden] { display: none; }
.mobile-nav__link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-decoration: none;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  transition: background 0.2s, color 0.2s;
}
.mobile-nav__link:hover { background: rgba(255,255,255,0.05); color: var(--text-primary); }
.mobile-nav__link--cta {
  margin-top: 0.5rem;
  background: rgba(56, 189, 248, 0.1);
  color: var(--accent);
  border: 1px solid rgba(56, 189, 248, 0.3);
  text-align: center;
}

@media (max-width: 768px) {
  .nav { display: none; }
  .nav-toggle { display: flex; }
}

/* ═══════════════════════════════════════════════
   HERO
═══════════════════════════════════════════════ */
.hero {
  position: relative;
  overflow: hidden;
  padding-top: clamp(2.5rem, 5vw, 4rem);
  padding-bottom: clamp(3rem, 5vw, 5rem);
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.hero-bg__grid {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 500px;
}

.hero-bg__scan {
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg,
    transparent 20%,
    rgba(56,189,248,0.04) 38%,
    rgba(99,102,241,0.08) 50%,
    rgba(167,139,250,0.05) 58%,
    rgba(56,189,248,0.04) 65%,
    transparent 78%
  );
  background-size: 260% 100%;
  animation: scan-sheen 18s ease-in-out infinite;
}

@keyframes scan-sheen {
  0%,100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.hero .container { position: relative; z-index: 1; }

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2.5rem, 5vw, 4rem);
  align-items: center;
}
@media (min-width: 900px) {
  .hero-grid { grid-template-columns: 1.1fr 0.9fr; gap: 3rem; }
}

/* Status badge */
.hero-status {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #86efac;
  background: rgba(74, 222, 128, 0.1);
  border: 1px solid rgba(74, 222, 128, 0.25);
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  margin-bottom: 1.15rem;
}
.hero-status__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #4ade80;
  box-shadow: 0 0 8px rgba(74,222,128,0.6);
  animation: pulse-dot 2.4s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%,100% { opacity: 1; box-shadow: 0 0 8px rgba(74,222,128,0.6); }
  50%      { opacity: 0.6; box-shadow: 0 0 16px rgba(74,222,128,0.4); }
}
@media (prefers-reduced-motion: reduce) {
  .hero-status__dot { animation: none; }
}

.eyebrow {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--accent);
  margin: 0 0 0.85rem;
}

.hero-title {
  font-size: clamp(2.8rem, 6vw, 4.4rem);
  font-weight: 800;
  margin: 0 0 0.65rem;
  background: linear-gradient(140deg,
    #ffffff    0%,
    #e0f2fe   22%,
    #7dd3fc   42%,
    #c4b5fd   65%,
    #f0f9ff   85%,
    #ffffff   100%
  );
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1.06;
  animation: title-shimmer 12s ease-in-out infinite;
}
@keyframes title-shimmer {
  0%,100% { background-position: 0% 50%; }
  50%      { background-position: 100% 50%; }
}
@media (prefers-reduced-motion: reduce) {
  .hero-title { animation: none; background-position: 0% 50%; }
}

.hero-kicker {
  font-family: var(--font-display);
  font-size: clamp(0.95rem, 1.8vw, 1.15rem);
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 0 0 1.5rem;
  line-height: 1.5;
}
.hero-kicker__accent {
  color: var(--accent);
  text-shadow: 0 0 28px rgba(56,189,248,0.45);
}

.hero-body p { margin: 0 0 1rem; max-width: 54ch; }
.hero-body p:last-child { margin-bottom: 0; }

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

/* Quick stats */
.hero-stats {
  display: flex;
  gap: 2rem;
  margin-top: 2.25rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
  flex-wrap: wrap;
}
.hero-stat { display: flex; flex-direction: column; gap: 0.2rem; }
.hero-stat__num {
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 800;
  background: linear-gradient(135deg, #f1f5f9 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  letter-spacing: -0.03em;
  line-height: 1;
}
.hero-stat__label {
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* Hero visual */
.hero-visual { margin: 0; justify-self: center; max-width: 440px; width: 100%; }

.hero-collage {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
@media (min-width: 900px) {
  .hero-collage { padding: 1.5rem; }
}

.hero-floats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  order: 2;
}
@media (min-width: 900px) {
  .hero-floats {
    position: absolute;
    inset: 0;
    display: block;
    pointer-events: none;
    order: 0;
    z-index: 2;
  }
  .hero-float { position: absolute; pointer-events: auto; }
  .hero-float--code  { top: 2%;  left: -8%; }
  .hero-float--robot { top: 42%; right: -12%; }
  .hero-float--ai    { bottom: 4%; left: -6%; }
}

.hero-float {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  padding: 0.75rem 0.6rem;
  border-radius: var(--radius-sm);
  background: rgba(10, 16, 32, 0.88);
  border: 1px solid rgba(56, 189, 248, 0.24);
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(12px);
  color: var(--accent);
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  transition: transform 0.25s ease, border-color 0.25s, box-shadow 0.25s;
}
@media (min-width: 900px) {
  .hero-float { min-width: 96px; }
  .hero-float:hover {
    transform: translateY(-4px) scale(1.03);
    border-color: rgba(167, 139, 250, 0.5);
    box-shadow: 0 20px 48px rgba(0,0,0,0.4), 0 0 24px rgba(56,189,248,0.18);
  }
}
.hero-float__icon { width: 38px; height: 38px; flex-shrink: 0; }
.hero-float span { color: var(--text-primary); }

.hero-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(145deg, #0f1e38 0%, #1a3255 45%, #0c1220 100%);
  box-shadow:
    var(--shadow-xl),
    0 0 0 1px rgba(56,189,248,0.18),
    0 0 60px rgba(56,189,248,0.12),
    inset 0 1px 0 rgba(255,255,255,0.06);
  order: 1;
  z-index: 1;
}
.hero-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 28% 18%, rgba(56,189,248,0.22), transparent 52%),
    radial-gradient(circle at 78% 82%, rgba(167,139,250,0.12), transparent 48%);
  pointer-events: none;
  z-index: 2;
}
.hero-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(6,11,22,0.55) 100%);
  pointer-events: none;
  z-index: 2;
}
.hero-frame img {
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  position: relative;
  z-index: 1;
}
@media (min-width: 900px) { .hero-frame { order: 0; } }

/* Monogram fallback */
.hero-frame--no-photo {
  min-height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-frame--no-photo img { display: none; }
.hero-frame--no-photo::after {
  content: "BK";
  position: relative; z-index: 1;
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 9vw, 5rem);
  font-weight: 800;
  letter-spacing: -0.05em;
  color: rgba(241,245,249,0.25);
  user-select: none;
}

.hero-caption {
  margin-top: 1rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  text-align: center;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-family: var(--font-display);
}
.hero-caption strong { color: var(--accent); }

/* ═══════════════════════════════════════════════
   TECH SHOWCASE
═══════════════════════════════════════════════ */
.tech-showcase { padding-top: clamp(1rem, 2vw, 2rem); padding-bottom: clamp(2rem, 4vw, 3rem); }

.tech-showcase__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}
@media (min-width: 720px) {
  .tech-showcase__grid { grid-template-columns: repeat(3, 1fr); }
}

.tech-card {
  position: relative;
  padding: 1.35rem 1.45rem 1.6rem;
  border-radius: var(--radius-lg);
  background: linear-gradient(165deg, rgba(14,22,38,0.98) 0%, rgba(7,10,22,0.97) 100%);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform 0.3s ease, border-color 0.3s, box-shadow 0.3s;
}
.tech-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-violet));
  opacity: 1;
}
.tech-card--code:hover  {
  transform: translateY(-6px);
  border-color: rgba(56,189,248,0.35);
  box-shadow: var(--shadow-md), 0 0 40px rgba(56,189,248,0.16);
}
.tech-card--robot:hover {
  transform: translateY(-6px);
  border-color: rgba(167,139,250,0.35);
  box-shadow: var(--shadow-md), 0 0 40px rgba(167,139,250,0.14);
}
.tech-card--ai:hover    {
  transform: translateY(-6px);
  border-color: rgba(34,211,238,0.35);
  box-shadow: var(--shadow-md), 0 0 40px rgba(34,211,238,0.14);
}
.tech-card--code::before  { background: linear-gradient(90deg, #0ea5e9, #38bdf8); }
.tech-card--robot::before { background: linear-gradient(90deg, #8b5cf6, #a78bfa); }
.tech-card--ai::before    { background: linear-gradient(90deg, #22d3ee, #c084fc); }
.tech-card__visual {
  margin: -0.25rem -0.5rem 0.85rem;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: rgba(5,8,16,0.55);
}
.tech-card__svg { width: 100%; height: auto; display: block; aspect-ratio: 320/200; }
.tech-card__title { font-size: 1.3rem; font-weight: 800; margin: 0 0 0.5rem; letter-spacing: -0.03em; }
.tech-card--code  .tech-card__title { color: #bae6fd; }
.tech-card--robot .tech-card__title { color: #ddd6fe; }
.tech-card--ai    .tech-card__title { color: #a5f3fc; }
.tech-card__text { margin: 0; font-size: 0.93rem; font-weight: 500; color: var(--text-muted); line-height: 1.58; }

/* ═══════════════════════════════════════════════
   BUTTONS
═══════════════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9375rem;
  padding: 0.8rem 1.5rem;
  border-radius: 999px;
  border: 1px solid transparent;
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s, background 0.2s, filter 0.2s;
}
.btn:active { transform: scale(0.97); }

.btn-primary {
  background: linear-gradient(135deg, var(--accent-strong) 0%, var(--accent) 100%);
  color: #071524;
  box-shadow: 0 8px 28px rgba(56,189,248,0.38);
}
.btn-primary:hover {
  box-shadow: 0 12px 40px rgba(56,189,248,0.50);
  color: #071524;
  filter: brightness(1.06);
}

.btn-ghost {
  background: transparent;
  border-color: var(--border-strong);
  color: var(--text-primary);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

.btn-whatsapp-primary {
  background: linear-gradient(135deg, #128c7e 0%, #25d366 55%, #34d399 100%);
  color: #052e16;
  border-color: rgba(52,211,153,0.4);
  box-shadow: 0 10px 36px rgba(37,211,102,0.40);
  font-weight: 800;
  position: relative;
  overflow: hidden;
}
.btn-whatsapp-primary::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 0%, rgba(255,255,255,0.12) 50%, transparent 100%);
  transform: translateX(-100%);
  transition: transform 0.4s ease;
}
.btn-whatsapp-primary:hover::before { transform: translateX(100%); }
.btn-whatsapp-primary:hover {
  color: #052e16;
  filter: brightness(1.08);
  box-shadow: 0 16px 52px rgba(37,211,102,0.55), 0 0 30px rgba(37,211,102,0.25);
}

/* WhatsApp primary — dikkat çekici pulse (iletişim alanındaki birincil buton) */
.contact-whatsapp-primary {
  animation: wa-pulse 3.5s ease-in-out infinite;
}
@keyframes wa-pulse {
  0%,100% { box-shadow: 0 10px 36px rgba(37,211,102,0.40); }
  50%      { box-shadow: 0 14px 52px rgba(37,211,102,0.65), 0 0 36px rgba(37,211,102,0.30); }
}
@media (prefers-reduced-motion: reduce) {
  .contact-whatsapp-primary { animation: none; }
}

.btn-lg { padding: 1rem 1.85rem; font-size: 1.0625rem; }
.btn-block { width: 100%; }

/* ═══════════════════════════════════════════════
   SECTION HEADERS
═══════════════════════════════════════════════ */
.section-head { text-align: center; max-width: 740px; margin-inline: auto; margin-bottom: clamp(2.75rem, 4.5vw, 4rem); }
.section-eyebrow {
  font-family: var(--font-display);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 0 0 0.85rem;
}
.section-eyebrow strong { color: var(--accent); }
.section-title {
  font-size: clamp(1.95rem, 3.5vw, 2.75rem);
  font-weight: 800;
  margin: 0 0 0.9rem;
  letter-spacing: -0.03em;
}
.section-lead { margin: 0; color: var(--text-muted); font-size: 1.08rem; font-weight: 500; line-height: 1.7; }
.section-lead strong { color: var(--text-secondary); font-weight: 700; }

/* ═══════════════════════════════════════════════
   PROGRAM CARDS
═══════════════════════════════════════════════ */
.program-stack { display: flex; flex-direction: column; gap: 2.25rem; }

.program-card {
  position: relative;
  overflow: hidden;
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-md);
  padding: clamp(1.85rem, 3vw, 2.75rem);
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
}
.program-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-strong), var(--accent-violet));
}
.program-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 30% at 50% 0%, rgba(56,189,248,0.05), transparent 65%);
  pointer-events: none;
}
.program-card--accent::before {
  background: linear-gradient(90deg, #22d3ee, var(--accent-violet), var(--accent));
}
.program-card:hover {
  border-color: rgba(56,189,248,0.30);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  transform: translateY(-4px);
}
.program-card--accent {
  border-color: rgba(56,189,248,0.18);
  background: linear-gradient(165deg, rgba(18,27,48,0.99) 0%, rgba(10,16,34,0.97) 100%);
}
.program-card--accent:hover {
  border-color: rgba(56,189,248,0.35);
  box-shadow: var(--shadow-lg), 0 0 60px rgba(56,189,248,0.15);
}

.program-card__tier-num {
  position: absolute;
  top: 1.75rem;
  right: 1.75rem;
  font-family: var(--font-display);
  font-size: 4rem;
  font-weight: 800;
  line-height: 1;
  color: rgba(255,255,255,0.04);
  pointer-events: none;
  user-select: none;
  letter-spacing: -0.05em;
}

.badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid rgba(56,189,248,0.28);
  margin-bottom: 1rem;
}
.badge--accent {
  background: rgba(14,165,233,0.1);
  border-color: rgba(14,165,233,0.35);
}

.program-card__head { margin-bottom: 1.5rem; padding-bottom: 1.25rem; border-bottom: 1px solid var(--border-subtle); }
.program-card__title { font-size: clamp(1.5rem, 2.5vw, 1.9rem); margin: 0 0 0.85rem; }
.program-card__intro { margin: 0 0 0.75rem; color: var(--text-secondary); font-size: 1.0625rem; }
.program-card__tagline { margin: 0.85rem 0 0.5rem; font-weight: 700; color: var(--text-primary); }
.program-card__muted { margin: 0; color: var(--text-muted); font-size: 1rem; }

/* Accordion */
.accordion { display: flex; flex-direction: column; gap: 0.6rem; }

.accordion__item {
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  background: rgba(5,8,16,0.5);
  overflow: hidden;
}
.accordion__item--cta {
  border-color: rgba(56,189,248,0.25);
  background: rgba(56,189,248,0.05);
}

.accordion__summary {
  list-style: none;
  cursor: pointer;
  padding: 1rem 1.15rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.975rem;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  user-select: none;
  transition: color 0.2s;
}
.accordion__summary::-webkit-details-marker { display: none; }
.accordion__summary::after {
  content: "";
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--text-muted);
  border-bottom: 2px solid var(--text-muted);
  transform: rotate(45deg);
  transition: transform 0.22s, border-color 0.22s;
  flex-shrink: 0;
}
.accordion__item[open] .accordion__summary::after {
  transform: rotate(-135deg);
  border-color: var(--accent);
}
.accordion__summary:hover { color: var(--accent); }
.accordion__summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; border-radius: var(--radius-sm); }

.accordion__body { padding: 0 1.15rem 1.15rem; border-top: 1px solid var(--border-subtle); }

.checklist { margin: 0; padding: 0.75rem 0 0; list-style: none; }
.checklist li { position: relative; padding-left: 1.5rem; margin-bottom: 0.85rem; }
.checklist li:last-child { margin-bottom: 0; }
.checklist li::before { content: "✔"; position: absolute; left: 0; color: var(--accent); font-size: 0.82rem; line-height: 1.7; }

.bullet-list { margin: 0.75rem 0 0; padding-left: 1.15rem; }
.bullet-list li { margin-bottom: 0.5rem; }
.bullet-list li:last-child { margin-bottom: 0; }
.bullet-list--emoji { list-style: none; padding-left: 0; }

.slogan {
  margin: 0.75rem 0 0;
  padding: 1rem 1.15rem;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-style: italic;
  font-weight: 700;
  color: var(--text-primary);
  border-left: 3px solid var(--accent);
  background: rgba(56,189,248,0.06);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.cta-copy { margin: 0 0 1rem; color: var(--text-secondary); }

/* Compare */
.compare-block {
  margin-top: clamp(2.5rem, 4vw, 3.5rem);
  padding-top: clamp(2rem, 3vw, 2.75rem);
  border-top: 1px solid var(--border-subtle);
}
.compare-block__title { font-size: clamp(1.35rem, 2.4vw, 1.75rem); margin: 0 0 0.5rem; }
.compare-block__lead { margin: 0 0 1.25rem; color: var(--text-muted); font-size: 1rem; font-weight: 500; max-width: 42ch; }

.compare-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--radius);
  border: 1px solid var(--border-subtle);
  background: rgba(7,11,20,0.48);
}
.compare-scroll::-webkit-scrollbar { height: 6px; }
.compare-scroll::-webkit-scrollbar-thumb { background: rgba(56,189,248,0.28); border-radius: 3px; }

.compare-table { width: 100%; min-width: 560px; border-collapse: collapse; font-size: 0.9375rem; font-weight: 500; }
.compare-table thead th {
  font-family: var(--font-display); font-weight: 800; text-align: left;
  padding: 1rem 1.1rem; font-size: 0.82rem; letter-spacing: 0.05em; text-transform: uppercase;
  color: var(--accent); background: rgba(56,189,248,0.06); border-bottom: 1px solid var(--border-subtle);
}
.compare-table tbody th[scope="row"] {
  font-family: var(--font-display); font-weight: 700; font-size: 0.88rem;
  color: var(--text-primary); text-align: left; padding: 0.95rem 1.1rem;
  width: 22%; min-width: 120px; vertical-align: top;
  border-bottom: 1px solid var(--border-subtle); background: rgba(15,23,42,0.5);
}
.compare-table td {
  padding: 0.95rem 1.1rem; color: var(--text-secondary); line-height: 1.55;
  border-bottom: 1px solid var(--border-subtle); vertical-align: top;
}
.compare-table tbody tr:last-child th,
.compare-table tbody tr:last-child td { border-bottom: none; }

/* ═══════════════════════════════════════════════
   KURUMSAL AI
═══════════════════════════════════════════════ */
.corp-ai {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg,
    transparent 0%,
    rgba(10,6,30,0.45) 30%,
    rgba(6,4,18,0.5) 70%,
    transparent 100%
  );
}

.corp-ai__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}
.corp-ai__bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(56,189,248,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56,189,248,0.06) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(180deg, transparent 0%, #000 15%, #000 80%, transparent 100%);
}
.corp-ai__bg-glow {
  position: absolute;
  border-radius: 50%;
}
.corp-ai__bg-glow--a {
  width: min(75vw, 620px); height: min(75vw, 620px);
  top: -25%; right: -15%;
  background: radial-gradient(circle, rgba(99,102,241,0.26), transparent 65%);
  filter: blur(2px);
  animation: glow-drift-a 20s ease-in-out infinite;
}
.corp-ai__bg-glow--b {
  width: min(60vw, 440px); height: min(60vw, 440px);
  bottom: -22%; left: -10%;
  background: radial-gradient(circle, rgba(56,189,248,0.18), transparent 65%);
  filter: blur(2px);
  animation: glow-drift-b 25s ease-in-out infinite;
}
@keyframes glow-drift-a {
  0%,100% { transform: translate(0,0) scale(1); }
  50%      { transform: translate(-3%, 4%) scale(1.06); }
}
@keyframes glow-drift-b {
  0%,100% { transform: translate(0,0) scale(1); }
  50%      { transform: translate(4%, -3%) scale(1.08); }
}
@media (prefers-reduced-motion: reduce) {
  .corp-ai__bg-glow--a,
  .corp-ai__bg-glow--b { animation: none; }
}
.corp-ai__bg-circuit {
  position: absolute;
  inset: 0;
  opacity: 0.8;
  pointer-events: none;
}

.corp-ai__inner { position: relative; z-index: 1; }

.corp-ai__head { max-width: 820px; margin-bottom: clamp(2.5rem, 4vw, 3.75rem); }
.corp-ai__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(167,139,250,1);
  background: rgba(167,139,250,0.1);
  border: 1px solid rgba(167,139,250,0.28);
  padding: 0.3rem 0.85rem;
  border-radius: 999px;
  margin: 0 0 1.1rem;
}
.corp-ai__title {
  font-size: clamp(1.85rem, 3.5vw, 2.75rem);
  margin: 0 0 1.1rem;
  background: linear-gradient(130deg, #f1f5f9 0%, #c4b5fd 50%, #7dd3fc 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.corp-ai__lead { margin: 0; font-size: 1.07rem; font-weight: 500; color: var(--text-secondary); line-height: 1.7; max-width: 72ch; }

/* Platform grid */
.corp-ai__platforms {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-bottom: clamp(2.5rem, 4vw, 3rem);
}
@media (min-width: 540px) { .corp-ai__platforms { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 860px) { .corp-ai__platforms { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1200px){ .corp-ai__platforms { grid-template-columns: repeat(5, 1fr); } }

.corp-platform {
  position: relative;
  padding: 1.5rem 1.35rem;
  border-radius: var(--radius);
  border: 1px solid var(--border-subtle);
  background: rgba(8,12,24,0.88);
  box-shadow: var(--shadow-sm);
  transition: border-color 0.28s, box-shadow 0.28s, transform 0.28s, background 0.28s;
  overflow: hidden;
}
.corp-platform::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}
.corp-platform--gpt::after   { background: radial-gradient(circle at 30% 30%, rgba(16,163,127,0.10), transparent 65%); }
.corp-platform--gemini::after { background: radial-gradient(circle at 30% 30%, rgba(59,130,246,0.10), transparent 65%); }
.corp-platform--grok::after  { background: radial-gradient(circle at 30% 30%, rgba(148,163,184,0.08), transparent 65%); }
.corp-platform--claude::after { background: radial-gradient(circle at 30% 30%, rgba(245,158,11,0.10), transparent 65%); }
.corp-platform--nblm::after  { background: radial-gradient(circle at 30% 30%, rgba(139,92,246,0.10), transparent 65%); }
.corp-platform:hover { transform: translateY(-4px); }
.corp-platform:hover::after { opacity: 1; }
.corp-platform--gpt:hover   { border-color: rgba(16,163,127,0.38); box-shadow: var(--shadow-md), 0 0 32px rgba(16,163,127,0.14); }
.corp-platform--gemini:hover { border-color: rgba(59,130,246,0.38); box-shadow: var(--shadow-md), 0 0 32px rgba(59,130,246,0.14); }
.corp-platform--grok:hover  { border-color: rgba(148,163,184,0.30); box-shadow: var(--shadow-md), 0 0 32px rgba(148,163,184,0.08); }
.corp-platform--claude:hover { border-color: rgba(245,158,11,0.38); box-shadow: var(--shadow-md), 0 0 32px rgba(245,158,11,0.12); }
.corp-platform--nblm:hover  { border-color: rgba(139,92,246,0.38); box-shadow: var(--shadow-md), 0 0 32px rgba(139,92,246,0.14); }

.corp-platform__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 16px;
  margin-bottom: 1rem;
  transition: transform 0.25s;
}
.corp-platform:hover .corp-platform__badge { transform: scale(1.08); }
.corp-platform__badge--gpt   { background: rgba(16,163,127,0.18);  color: #34d399; border: 1px solid rgba(16,163,127,0.38); }
.corp-platform__badge--gemini { background: rgba(59,130,246,0.18);  color: #93c5fd; border: 1px solid rgba(59,130,246,0.38); }
.corp-platform__badge--grok  { background: rgba(226,232,240,0.08);  color: #e2e8f0; border: 1px solid rgba(148,163,184,0.28); }
.corp-platform__badge--claude { background: rgba(245,158,11,0.18);  color: #fcd34d; border: 1px solid rgba(245,158,11,0.38); }
.corp-platform__badge--nblm  { background: rgba(139,92,246,0.18);   color: #c4b5fd; border: 1px solid rgba(139,92,246,0.38); }

.corp-platform__name { font-family: var(--font-display); font-size: 1.08rem; font-weight: 800; margin: 0 0 0.5rem; letter-spacing: -0.025em; color: var(--text-primary); }
.corp-platform__q { font-size: 0.66rem; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); margin: 0 0 0.5rem; opacity: 0.85; }
.corp-platform__desc { margin: 0; font-size: 0.87rem; font-weight: 500; color: var(--text-muted); line-height: 1.55; }

/* Modules */
.corp-ai__modules { scroll-margin-top: 5.5rem; margin-bottom: clamp(2rem, 3vw, 2.75rem); }
.corp-ai__modules-title { font-size: 1.2rem; font-weight: 800; margin: 0 0 1.15rem; }
.corp-ai__modules-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
@media (min-width: 768px) { .corp-ai__modules-grid { grid-template-columns: repeat(3, 1fr); gap: 1.15rem; } }

.corp-module {
  position: relative;
  padding: 1.5rem 1.4rem 1.5rem 1.75rem;
  border-radius: var(--radius);
  border: 1px solid var(--border-subtle);
  background: rgba(10,15,28,0.92);
  overflow: hidden;
  transition: transform 0.28s, border-color 0.28s, box-shadow 0.28s;
}
.corp-module::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 4px;
  border-radius: 4px 0 0 4px;
}
.corp-module::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.corp-module--cyan::before   { background: linear-gradient(180deg, #22d3ee, #0ea5e9); }
.corp-module--violet::before { background: linear-gradient(180deg, var(--accent-violet), #6366f1); }
.corp-module--amber::before  { background: linear-gradient(180deg, #f59e0b, #ea580c); }
.corp-module--cyan::after    { background: radial-gradient(circle at 10% 50%, rgba(56,189,248,0.06), transparent 60%); }
.corp-module--violet::after  { background: radial-gradient(circle at 10% 50%, rgba(167,139,250,0.06), transparent 60%); }
.corp-module--amber::after   { background: radial-gradient(circle at 10% 50%, rgba(245,158,11,0.06), transparent 60%); }
.corp-module--cyan:hover   { transform: translateY(-4px); border-color: rgba(56,189,248,0.28); box-shadow: var(--shadow-md), 0 0 28px rgba(56,189,248,0.10); }
.corp-module--violet:hover { transform: translateY(-4px); border-color: rgba(167,139,250,0.28); box-shadow: var(--shadow-md), 0 0 28px rgba(167,139,250,0.10); }
.corp-module--amber:hover  { transform: translateY(-4px); border-color: rgba(245,158,11,0.28); box-shadow: var(--shadow-md), 0 0 28px rgba(245,158,11,0.08); }
.corp-module:hover::after  { opacity: 1; }

.corp-module__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px; height: 48px;
  border-radius: var(--radius-sm);
  background: rgba(56,189,248,0.09);
  color: var(--accent);
  margin-bottom: 1rem;
  position: relative;
  z-index: 1;
  transition: transform 0.25s, background 0.25s;
}
.corp-module--cyan:hover   .corp-module__icon { transform: scale(1.08); background: rgba(56,189,248,0.15); }
.corp-module--violet .corp-module__icon { background: rgba(167,139,250,0.1); color: var(--accent-violet); }
.corp-module--violet:hover .corp-module__icon { transform: scale(1.08); background: rgba(167,139,250,0.18); }
.corp-module--amber  .corp-module__icon { background: rgba(245,158,11,0.1); color: #fbbf24; }
.corp-module--amber:hover  .corp-module__icon { transform: scale(1.08); background: rgba(245,158,11,0.18); }

.corp-module__title { font-family: var(--font-display); font-size: 1.08rem; font-weight: 800; margin: 0 0 0.55rem; position: relative; z-index: 1; }
.corp-module__desc  { margin: 0; font-size: 0.92rem; font-weight: 500; color: var(--text-secondary); line-height: 1.58; position: relative; z-index: 1; }

/* Outcomes */
.corp-ai__outcomes {
  padding: 1.75rem 1.75rem 1.75rem 2rem;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(56,189,248,0.20);
  background: linear-gradient(135deg, rgba(6,14,32,0.75) 0%, rgba(10,6,26,0.65) 100%);
  margin-bottom: clamp(2rem, 3vw, 2.75rem);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}
.corp-ai__outcomes::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-strong), var(--accent-violet));
}
.corp-ai__outcomes-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 800;
  margin: 0 0 1.15rem;
  color: var(--text-primary);
}
.corp-ai__outcomes-list {
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  line-height: 1.65;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.6rem;
}
@media (min-width: 640px) {
  .corp-ai__outcomes-list { grid-template-columns: 1fr 1fr; gap: 0.55rem 2rem; }
}
.corp-ai__outcomes-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  padding-left: 0;
  margin: 0;
}
.corp-ai__outcomes-list li::before {
  content: "→";
  color: var(--accent);
  font-weight: 800;
  flex-shrink: 0;
  margin-top: 0.06em;
  font-size: 0.88rem;
}

/* Trust strip */
.corp-ai__trust-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1.5rem;
  margin-bottom: clamp(1.75rem, 3vw, 2.25rem);
  padding: 1.1rem 1.35rem;
  border-radius: var(--radius);
  border: 1px solid var(--border-subtle);
  background: rgba(5,8,16,0.5);
}
.corp-trust-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.87rem;
  font-weight: 600;
  color: var(--text-secondary);
}
.corp-trust-item__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
}

/* CTA */
.corp-ai__cta {
  text-align: center;
  padding: 2.5rem 2rem;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(167,139,250,0.28);
  background: linear-gradient(145deg, rgba(14,10,38,0.97) 0%, rgba(8,12,24,0.99) 100%);
  box-shadow: var(--shadow-lg), var(--shadow-violet), inset 0 1px 0 rgba(167,139,250,0.1);
  position: relative;
  overflow: hidden;
}
.corp-ai__cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 40% at 50% 0%, rgba(167,139,250,0.12), transparent 65%);
  pointer-events: none;
}
.corp-ai__cta-text {
  position: relative;
  z-index: 1;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.2vw, 1.45rem);
  font-weight: 800;
  margin: 0 0 1.75rem;
  letter-spacing: -0.025em;
  background: linear-gradient(135deg, #f1f5f9 0%, #ddd6fe 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.corp-ai__cta-actions {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  align-items: stretch;
  max-width: 500px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
@media (min-width: 540px) {
  .corp-ai__cta-actions { flex-direction: row; justify-content: center; align-items: center; max-width: none; }
  .corp-ai__cta-primary, .corp-ai__cta-secondary { flex: 0 1 auto; }
}

/* ═══════════════════════════════════════════════
   TRUST / GÜVEN
═══════════════════════════════════════════════ */
.trust-head { text-align: center; max-width: 640px; margin: 0 auto 2.75rem; }
.trust__title { font-size: clamp(1.7rem, 3vw, 2.25rem); margin: 0 0 0.55rem; }
.trust__lead  { margin: 0; color: var(--text-muted); font-size: 1.05rem; font-weight: 500; }

/* Metrics */
.trust-metrics {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.1rem;
  margin-bottom: 2.25rem;
}
@media (min-width: 640px) { .trust-metrics { grid-template-columns: repeat(3, 1fr); gap: 1.35rem; } }

.trust-metric {
  position: relative;
  padding: 1.65rem 1.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  background: linear-gradient(165deg, rgba(14,22,38,0.98) 0%, rgba(7,10,22,0.97) 100%);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform 0.28s, border-color 0.28s, box-shadow 0.28s;
}
.trust-metric::before {
  content: "";
  position: absolute; top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-violet));
  opacity: 0.9;
}
.trust-metric:hover {
  transform: translateY(-4px);
  border-color: rgba(56,189,248,0.30);
  box-shadow: var(--shadow-md), var(--shadow-glow);
}

.trust-metric__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--accent-dim);
  color: var(--accent);
  margin-bottom: 1rem;
  transition: transform 0.25s;
}
.trust-metric:hover .trust-metric__icon { transform: scale(1.1); }
.trust-metric__value {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 2.8vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  background: linear-gradient(135deg, #f1f5f9 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1.1;
}
.trust-metric__label { display: block; margin-top: 0.4rem; font-weight: 700; color: var(--text-secondary); font-size: 0.97rem; }
.trust-metric__hint  { display: block; margin-top: 0.3rem; font-size: 0.82rem; color: var(--text-muted); font-weight: 500; }

/* Quotes */
.trust-quotes {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-bottom: 2.25rem;
}
@media (min-width: 900px) { .trust-quotes { grid-template-columns: repeat(3, 1fr); gap: 1.25rem; } }

.trust-quote {
  margin: 0;
  padding: 1.5rem 1.5rem 1.35rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  background: rgba(7,11,20,0.55);
  position: relative;
  transition: border-color 0.25s, box-shadow 0.25s;
}
.trust-quote:hover {
  border-color: rgba(56,189,248,0.22);
  box-shadow: var(--shadow-sm);
}
.trust-quote__mark {
  font-family: Georgia, serif;
  font-size: 4rem;
  line-height: 0.8;
  color: rgba(56,189,248,0.22);
  margin-bottom: 0.5rem;
  display: block;
}
.trust-quote__text {
  margin: 0;
  font-size: 0.96rem;
  font-weight: 500;
  font-style: italic;
  color: var(--text-secondary);
  line-height: 1.65;
}
.trust-quote__cap {
  display: block;
  margin-top: 1rem;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* Fit checklist */
.trust-fit {
  padding: 1.75rem 1.75rem 1.75rem 1.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(56,189,248,0.20);
  background: linear-gradient(135deg, rgba(10,16,32,0.72) 0%, rgba(8,6,24,0.65) 100%);
  box-shadow: var(--shadow-sm);
}
.trust-fit__title { font-size: 1.15rem; font-weight: 800; margin: 0 0 1.35rem; }
.trust-fit__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
@media (min-width: 720px) { .trust-fit__grid { grid-template-columns: 1fr 1fr; gap: 2rem; } }

.trust-fit__col-title { font-family: var(--font-display); font-size: 0.9rem; font-weight: 800; margin: 0 0 0.75rem; color: var(--accent); letter-spacing: 0.02em; }
.trust-fit__list { margin: 0; padding-left: 1.15rem; color: var(--text-secondary); font-size: 0.95rem; font-weight: 500; line-height: 1.6; }
.trust-fit__list li { margin-bottom: 0.55rem; }
.trust-fit__list li:last-child { margin-bottom: 0; }

/* ═══════════════════════════════════════════════
   CONTACT CTA
═══════════════════════════════════════════════ */
.contact-cta__inner {
  display: grid;
  gap: 2rem;
  align-items: start;
  padding: clamp(2rem, 4vw, 3.25rem);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(56,189,248,0.28);
  background: linear-gradient(140deg, rgba(14,22,40,0.99) 0%, rgba(7,10,24,0.99) 100%);
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(99,102,241,0.08), var(--shadow-glow-lg);
  position: relative;
  overflow: hidden;
}
.contact-cta__inner::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-strong), var(--accent-violet), var(--accent-cyan));
}
.contact-cta__inner::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 50% 40% at 80% 100%, rgba(56,189,248,0.07), transparent 60%),
    radial-gradient(ellipse 40% 30% at 20% 0%, rgba(167,139,250,0.06), transparent 55%);
  pointer-events: none;
}
@media (min-width: 720px) {
  .contact-cta__inner { grid-template-columns: 1fr 1.15fr; gap: 2.75rem; }
}

.contact-cta__title {
  font-size: clamp(1.45rem, 2.5vw, 1.85rem);
  font-weight: 800;
  margin: 0 0 0.55rem;
  position: relative;
  z-index: 1;
}
.contact-cta__lead  {
  margin: 0;
  color: var(--text-muted);
  max-width: 48ch;
  font-size: 1.01rem;
  position: relative;
  z-index: 1;
}

.contact-cta__panel { display: flex; flex-direction: column; gap: 1.15rem; position: relative; z-index: 1; }

/* 3-step flow */
.contact-steps {
  padding: 1.35rem 1.35rem 1.25rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  background: rgba(5,8,16,0.55);
  backdrop-filter: blur(8px);
}
.contact-steps__title { font-family: var(--font-display); font-size: 1rem; font-weight: 800; margin: 0 0 1.1rem; }
.contact-steps__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}
.contact-steps__list li {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
}
.contact-steps__num {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 2.1rem;
  height: 2.1rem;
  border-radius: 999px;
  background: var(--accent-dim);
  border: 1px solid rgba(56,189,248,0.25);
  color: var(--accent);
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 800;
  flex-shrink: 0;
  margin-top: 0.08rem;
}
.contact-steps__content { display: flex; flex-direction: column; gap: 0.15rem; }
.contact-steps__content strong { color: var(--text-primary); font-weight: 700; }
.contact-steps__content span   { font-size: 0.88rem; color: var(--text-muted); }

/* Social channel card */
.contact-cta__channels-label {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 0;
}

.contact-channel {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.65rem;
  padding: 1.15rem;
  border-radius: var(--radius);
  text-decoration: none;
  color: inherit;
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  background: rgba(7,11,20,0.68);
  transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
}
.contact-channel:hover { transform: translateY(-2px); }
.contact-channel__glow { position: absolute; inset: -40%; pointer-events: none; opacity: 0.85; }
.contact-channel__glow--ig {
  background: radial-gradient(circle at 70% 20%, rgba(225,48,108,0.2), rgba(253,29,29,0.12) 35%, transparent 65%);
}
.contact-channel--instagram { border-color: rgba(225,48,108,0.28); box-shadow: 0 8px 28px rgba(0,0,0,0.32); }
.contact-channel--instagram:hover { border-color: rgba(236,72,153,0.45); box-shadow: 0 14px 40px rgba(0,0,0,0.38), 0 0 24px rgba(225,48,108,0.14); }
.contact-channel--solo { flex-direction: row; flex-wrap: wrap; align-items: center; gap: 1rem; }
.contact-channel--solo .contact-channel__body { flex: 1; min-width: 140px; }

.contact-channel__icon {
  position: relative; z-index: 1;
  display: flex; align-items: center; justify-content: center;
  width: 50px; height: 50px;
  border-radius: 14px;
  flex-shrink: 0;
}
.contact-channel__icon--ig { background: linear-gradient(145deg, rgba(225,48,108,0.2), rgba(245,133,41,0.15)); color: #f472b6; }

.contact-channel__body { position: relative; z-index: 1; display: flex; flex-direction: column; gap: 0.2rem; width: 100%; }
.contact-channel__title { font-family: var(--font-display); font-size: 1.05rem; font-weight: 800; letter-spacing: -0.02em; color: var(--text-primary); }
.contact-channel__desc  { font-size: 0.84rem; font-weight: 500; color: var(--text-muted); }
.contact-channel__cta {
  position: relative; z-index: 1;
  margin-top: 0.15rem;
  font-family: var(--font-display);
  font-size: 0.75rem; font-weight: 800;
  letter-spacing: 0.07em; text-transform: uppercase;
}
.contact-channel--instagram .contact-channel__cta {
  background: linear-gradient(90deg, #f472b6, #fb923c);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

.contact-email--secondary {
  text-align: center;
  border-color: var(--border-mid);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  letter-spacing: 0;
}

/* WhatsApp wrapper */
.contact-wa-wrapper { display: flex; flex-direction: column; gap: 0.5rem; }
.contact-wa-label {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.78rem;
  font-weight: 700;
  color: #86efac;
  margin: 0;
}

/* divider */
.contact-divider {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-muted);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.contact-divider::before,
.contact-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border-subtle);
}

.contact-note { margin: 0; font-size: 0.8rem; color: var(--text-muted); line-height: 1.55; }
.contact-note code { font-size: 0.8em; padding: 0.1em 0.35em; border-radius: 4px; background: var(--bg-base); color: var(--accent); }

/* ═══════════════════════════════════════════════
   FOOTER
═══════════════════════════════════════════════ */
.site-footer {
  border-top: 1px solid var(--border-subtle);
  padding: 2.75rem 0 2.25rem;
  background: rgba(2,4,10,0.75);
  position: relative;
}
.site-footer::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(56,189,248,0.35) 30%,
    rgba(167,139,250,0.30) 60%,
    transparent 100%
  );
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
  align-items: center;
}
@media (min-width: 640px) {
  .footer-inner {
    grid-template-columns: auto 1fr auto;
    gap: 2rem;
    align-items: center;
  }
}

.footer-brand { display: flex; flex-direction: column; gap: 0.35rem; }
.footer-logo {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--text-primary);
  text-decoration: none;
}
.footer-logo:hover { color: var(--accent); }
.footer-tagline { font-size: 0.78rem; font-weight: 600; color: var(--text-muted); letter-spacing: 0.06em; text-transform: uppercase; }

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.5rem;
  justify-content: center;
}
.footer-nav a {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-muted);
  text-decoration: none;
}
.footer-nav a:hover { color: var(--text-primary); }

.footer-meta { display: flex; flex-direction: column; gap: 0.5rem; align-items: flex-end; }
@media (max-width: 639px) { .footer-meta { align-items: flex-start; } }

.footer-copy { margin: 0; font-size: 0.82rem; color: var(--text-muted); }
.footer-top {
  font-size: 0.85rem;
  font-weight: 700;
  font-family: var(--font-display);
  text-decoration: none;
  color: var(--text-muted);
}
.footer-top:hover { color: var(--accent); }

/* ═══════════════════════════════════════════════
   MOBILE STICKY CTA
═══════════════════════════════════════════════ */
.mobile-cta-bar { display: none; }

@media (max-width: 768px) {
  body { padding-bottom: calc(76px + env(safe-area-inset-bottom, 0px)); }

  .mobile-cta-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    position: fixed;
    bottom: 0; left: 0; right: 0;
    z-index: 80;
    padding: 0.72rem 1rem calc(0.72rem + env(safe-area-inset-bottom, 0px));
    background: rgba(4, 6, 14, 0.96);
    border-top: 1px solid rgba(56, 189, 248, 0.25);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    box-shadow: 0 -8px 36px rgba(0,0,0,0.55), 0 -1px 0 rgba(56,189,248,0.08);
  }
  .mobile-cta-bar__label {
    margin: 0;
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 800;
    color: var(--text-secondary);
    flex: 1;
    letter-spacing: -0.01em;
  }
  .mobile-cta-bar__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    padding: 0.65rem 1.2rem;
    border-radius: 999px;
    font-family: var(--font-display);
    font-size: 0.84rem;
    font-weight: 800;
    text-decoration: none;
    color: #052e16;
    background: linear-gradient(135deg, #128c7e 0%, #25d366 60%, #34d399 100%);
    border: 1px solid rgba(52,211,153,0.5);
    box-shadow: 0 4px 20px rgba(37,211,102,0.35);
    transition: filter 0.2s, box-shadow 0.2s;
  }
  .mobile-cta-bar__btn:hover { filter: brightness(1.08); color: #052e16; box-shadow: 0 6px 28px rgba(37,211,102,0.50); }
  .mobile-cta-bar__btn:focus-visible { outline: 2px solid #86efac; outline-offset: 3px; }
}

/* ═══════════════════════════════════════════════
   360-430PX MOBILE
═══════════════════════════════════════════════ */
@media (max-width: 430px) {
  :root { --container: 94vw; }
  .hero-title { font-size: 2.3rem; }
  .hero-stats { gap: 1.25rem; }
  .hero-stat__num { font-size: 1.2rem; }
  .btn-lg { padding: 0.85rem 1.35rem; font-size: 0.95rem; }
  .program-card { padding: 1.25rem; }
  .program-card__tier-num { font-size: 3rem; }
  .corp-ai__cta { padding: 1.35rem 1rem; }
  .contact-cta__inner { padding: 1.35rem; }
}

/* ═══════════════════════════════════════════════
   REDUCED MOTION OVERRIDES
═══════════════════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
  .hero-bg__scan { animation: none; background: rgba(56,189,248,0.03); }
  .hero-status__dot { animation: none; }
  .tech-card:hover,
  .program-card:hover,
  .corp-platform:hover,
  .corp-module:hover,
  .trust-metric:hover,
  .contact-channel:hover { transform: none; }
}