/* =====================================================
   MES Systems — Ana Stil Dosyası
   Tema: Koyu premium, mavi-indigo degrade vurgular
   ===================================================== */

:root {
  --bg: #060a14;
  --bg-alt: #090f1e;
  --surface: rgba(255, 255, 255, 0.03);
  --surface-2: rgba(255, 255, 255, 0.055);
  --border: rgba(148, 163, 184, 0.14);
  --border-strong: rgba(148, 163, 184, 0.28);
  --text: #e8eefb;
  --muted: #9aa8bf;
  --accent-1: #38bdf8;
  --accent-2: #6366f1;
  --accent-grad: linear-gradient(120deg, #38bdf8, #6366f1);
  --accent-soft: rgba(56, 189, 248, 0.12);
  --glow: 0 10px 40px -8px rgba(56, 189, 248, 0.45);
  --radius: 18px;
  --radius-sm: 12px;
  --font-head: "Sora", "Segoe UI", sans-serif;
  --font-body: "Inter", "Segoe UI", sans-serif;
  --nav-h: 76px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 16px);
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-size: 16.5px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font: inherit; cursor: pointer; background: none; border: none; color: inherit; }

::selection { background: rgba(99, 102, 241, 0.45); color: #fff; }

h1, h2, h3, h4 {
  font-family: var(--font-head);
  line-height: 1.16;
  letter-spacing: -0.02em;
  font-weight: 700;
}

.container {
  width: 100%;
  max-width: 1180px;
  margin-inline: auto;
  padding-inline: 24px;
}

.grad-text {
  background: var(--accent-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.text-link {
  color: var(--accent-1);
  border-bottom: 1px solid rgba(56, 189, 248, 0.4);
  transition: border-color 0.2s;
}
.text-link:hover { border-color: var(--accent-1); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-weight: 600;
  font-family: var(--font-head);
  border-radius: 999px;
  padding: 13px 26px;
  font-size: 15.5px;
  letter-spacing: 0.01em;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease),
              background 0.25s, border-color 0.25s, color 0.25s;
  white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; transition: transform 0.25s var(--ease); }
.btn:hover svg { transform: translateX(3px); }

.btn-primary {
  background: var(--accent-grad);
  color: #fff;
  box-shadow: 0 6px 24px -6px rgba(99, 102, 241, 0.55);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--glow);
}

.btn-ghost {
  border: 1px solid var(--border-strong);
  color: var(--text);
  background: rgba(255, 255, 255, 0.02);
}
.btn-ghost:hover {
  border-color: var(--accent-1);
  background: var(--accent-soft);
  transform: translateY(-2px);
}

.btn-light {
  background: #fff;
  color: #0b1220;
  box-shadow: 0 8px 30px -8px rgba(0, 0, 0, 0.45);
}
.btn-light:hover { transform: translateY(-2px); box-shadow: 0 14px 40px -10px rgba(0, 0, 0, 0.5); }

.btn-lg { padding: 16px 32px; font-size: 16.5px; }
.btn-sm { padding: 10px 20px; font-size: 14.5px; }
.btn-block { width: 100%; }

/* ---------- Navbar ---------- */
.navbar {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition: background 0.3s, border-color 0.3s, box-shadow 0.3s, backdrop-filter 0.3s;
  border-bottom: 1px solid transparent;
}
.navbar.scrolled {
  background: rgba(6, 10, 20, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-color: var(--border);
  box-shadow: 0 10px 34px -18px rgba(0, 0, 0, 0.7);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
}
.brand-mark {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(160deg, rgba(56, 189, 248, 0.16), rgba(99, 102, 241, 0.16));
  border: 1px solid rgba(56, 189, 248, 0.3);
  display: grid;
  place-items: center;
  padding: 7px;
  box-shadow: inset 0 0 18px rgba(56, 189, 248, 0.12);
}
.brand-text {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 21px;
  letter-spacing: 0.02em;
}
.brand-text em {
  font-style: normal;
  background: var(--accent-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
}
.nav-links > a:not(.btn) {
  font-size: 15px;
  font-weight: 500;
  color: var(--muted);
  position: relative;
  padding: 6px 0;
  transition: color 0.2s;
}
.nav-links > a:not(.btn)::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%;
  height: 2px;
  border-radius: 2px;
  background: var(--accent-grad);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}
.nav-links > a:not(.btn):hover,
.nav-links > a:not(.btn).active { color: var(--text); }
.nav-links > a:not(.btn):hover::after,
.nav-links > a:not(.btn).active::after { transform: scaleX(1); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5.5px;
  padding: 8px;
  z-index: 110;
}
.nav-toggle span {
  width: 24px;
  height: 2.4px;
  border-radius: 2px;
  background: var(--text);
  transition: transform 0.3s var(--ease), opacity 0.2s;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7.9px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7.9px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: calc(var(--nav-h) + 72px) 0 90px;
  overflow: hidden;
}

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

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.55;
  animation: orbFloat 14s ease-in-out infinite alternate;
}
.orb-1 {
  width: 520px; height: 520px;
  top: -160px; right: -120px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.4), transparent 65%);
}
.orb-2 {
  width: 460px; height: 460px;
  bottom: -200px; left: -140px;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.32), transparent 65%);
  animation-delay: -7s;
}
@keyframes orbFloat {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(-40px, 36px) scale(1.08); }
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(148, 163, 184, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.055) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 30%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 30%, #000 20%, transparent 75%);
}

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 56px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--accent-1);
  background: var(--accent-soft);
  border: 1px solid rgba(56, 189, 248, 0.3);
  border-radius: 999px;
  padding: 8px 18px;
  margin-bottom: 26px;
}
.pulse-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent-1);
  position: relative;
}
.pulse-dot::after {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 1.5px solid var(--accent-1);
  animation: pulse 1.8s ease-out infinite;
}
@keyframes pulse {
  from { transform: scale(0.6); opacity: 1; }
  to   { transform: scale(1.8); opacity: 0; }
}

.hero h1 {
  font-size: clamp(2.5rem, 5.4vw, 4.1rem);
  font-weight: 800;
  margin-bottom: 22px;
}

.hero-sub {
  font-size: clamp(1.02rem, 1.4vw, 1.16rem);
  color: var(--muted);
  max-width: 560px;
  margin-bottom: 34px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 34px;
}

.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
}
.hero-trust li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14.5px;
  color: var(--muted);
  font-weight: 500;
}
.hero-trust svg { width: 16px; height: 16px; color: #34d399; flex-shrink: 0; }

/* --- Hero visual: mock window --- */
.hero-visual { position: relative; }

.mock-window {
  background: linear-gradient(175deg, rgba(17, 24, 42, 0.92), rgba(10, 15, 30, 0.94));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 40px 90px -30px rgba(0, 0, 0, 0.75),
              0 0 0 1px rgba(56, 189, 248, 0.05),
              inset 0 1px 0 rgba(255, 255, 255, 0.06);
  overflow: hidden;
  animation: mockFloat 7s ease-in-out infinite alternate;
}
@keyframes mockFloat {
  from { transform: translateY(0); }
  to   { transform: translateY(-14px); }
}

.mock-head {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
}
.mock-head .dot { width: 11px; height: 11px; border-radius: 50%; }
.dot.red { background: #f87171; }
.dot.yellow { background: #fbbf24; }
.dot.green { background: #34d399; }
.mock-title {
  margin-left: 10px;
  font-size: 12.5px;
  color: var(--muted);
  font-family: "Consolas", monospace;
  letter-spacing: 0.03em;
}

.mock-body { padding: 18px; display: grid; gap: 12px; }

.mock-row {
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.025);
}
.mock-icon {
  width: 34px; height: 34px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  font-size: 15px;
  font-weight: 700;
  flex-shrink: 0;
}
.mock-icon.ok { background: rgba(52, 211, 153, 0.14); color: #34d399; }
.mock-icon.run { background: rgba(56, 189, 248, 0.14); color: var(--accent-1); animation: spin 2.4s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.mock-info { flex: 1; min-width: 0; }
.mock-info strong { display: block; font-size: 14px; font-weight: 600; }
.mock-info span { font-size: 12.5px; color: var(--muted); }

.mock-tag {
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 4px 11px;
  border-radius: 999px;
}
.mock-tag.ok { background: rgba(52, 211, 153, 0.13); color: #34d399; }
.mock-tag.run { background: rgba(56, 189, 248, 0.13); color: var(--accent-1); }

.mock-chart {
  padding: 14px 14px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.025);
}
.mock-chart-label {
  font-size: 12.5px;
  color: var(--muted);
  display: block;
  margin-bottom: 10px;
  font-weight: 500;
}
.bars {
  display: flex;
  align-items: flex-end;
  gap: 9px;
  height: 74px;
}
.bars i {
  flex: 1;
  height: var(--h);
  border-radius: 5px 5px 2px 2px;
  background: linear-gradient(180deg, var(--accent-1), var(--accent-2));
  opacity: 0.85;
  animation: barGrow 1s var(--ease) backwards;
}
.bars i:nth-child(2) { animation-delay: .08s; }
.bars i:nth-child(3) { animation-delay: .16s; }
.bars i:nth-child(4) { animation-delay: .24s; }
.bars i:nth-child(5) { animation-delay: .32s; }
.bars i:nth-child(6) { animation-delay: .4s; }
.bars i:nth-child(7) { animation-delay: .48s; }
@keyframes barGrow { from { height: 0; } }

.float-badge {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 13px 18px;
  border-radius: 14px;
  background: rgba(13, 19, 36, 0.92);
  border: 1px solid var(--border-strong);
  box-shadow: 0 20px 50px -18px rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  animation: badgeFloat 5.5s ease-in-out infinite alternate;
}
.float-badge .fb-icon { font-size: 20px; }
.float-badge strong {
  display: block;
  font-family: var(--font-head);
  font-size: 17px;
  line-height: 1.1;
}
.float-badge span:not(.fb-icon) { font-size: 12px; color: var(--muted); }
.fb-1 { top: -24px; left: -34px; animation-delay: -2s; }
.fb-2 { bottom: -20px; right: -18px; }
@keyframes badgeFloat {
  from { transform: translateY(-6px); }
  to   { transform: translateY(8px); }
}

/* ---------- Stats ---------- */
.stats {
  border-block: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(56, 189, 248, 0.035), transparent);
  padding: 44px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  text-align: center;
}
.stat-num {
  display: block;
  font-family: var(--font-head);
  font-size: clamp(2rem, 3.4vw, 2.7rem);
  font-weight: 800;
  background: var(--accent-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1.15;
}
.stat-label {
  font-size: 14.5px;
  color: var(--muted);
  font-weight: 500;
}

/* ---------- Tech marquee ---------- */
.tech-strip { padding: 40px 0 8px; }
.tech-strip-title {
  text-align: center;
  font-size: 13.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
  margin-bottom: 22px;
}
.marquee {
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.marquee-track {
  display: flex;
  align-items: center;
  gap: 34px;
  width: max-content;
  animation: marquee 30s linear infinite;
}
.marquee-track span {
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 600;
  color: rgba(154, 168, 191, 0.75);
  white-space: nowrap;
}
.marquee-track span:nth-child(even) { color: rgba(56, 189, 248, 0.45); font-size: 12px; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- Sections ---------- */
.section { padding: 104px 0; position: relative; }
.section-alt {
  background: var(--bg-alt);
  border-block: 1px solid var(--border);
}

.section-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 58px;
}
.section-head.left { text-align: left; margin-inline: 0; }
.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-1);
  margin-bottom: 14px;
}
.section-head h2 {
  font-size: clamp(1.9rem, 3.6vw, 2.8rem);
  margin-bottom: 16px;
}
.section-head p { color: var(--muted); font-size: 1.05rem; }

/* ---------- Service cards ---------- */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.card {
  position: relative;
  padding: 30px 28px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: linear-gradient(180deg, var(--surface-2), var(--surface));
  transition: transform 0.35s var(--ease), border-color 0.35s, box-shadow 0.35s;
  overflow: hidden;
}
.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(420px circle at 50% -10%, rgba(56, 189, 248, 0.12), transparent 60%);
  opacity: 0;
  transition: opacity 0.35s;
  pointer-events: none;
}
.card:hover {
  transform: translateY(-7px);
  border-color: rgba(56, 189, 248, 0.4);
  box-shadow: 0 26px 60px -24px rgba(0, 0, 0, 0.65), 0 0 0 1px rgba(56, 189, 248, 0.12);
}
.card:hover::before { opacity: 1; }

.card-icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: linear-gradient(150deg, rgba(56, 189, 248, 0.16), rgba(99, 102, 241, 0.16));
  border: 1px solid rgba(56, 189, 248, 0.28);
  color: var(--accent-1);
  margin-bottom: 20px;
}
.card-icon svg { width: 25px; height: 25px; }

.card h3 { font-size: 19.5px; margin-bottom: 10px; }
.card > p { color: var(--muted); font-size: 15px; margin-bottom: 4px; }

.card-list { display: grid; gap: 8px; margin-top: 14px; }
.card-list li {
  position: relative;
  padding-left: 22px;
  font-size: 14px;
  color: var(--muted);
}
.card-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 7.5px;
  width: 7px; height: 7px;
  border-radius: 2px;
  background: var(--accent-grad);
  transform: rotate(45deg);
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: 18px;
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 600;
  color: var(--accent-1);
}
.card-link svg { width: 15px; height: 15px; transition: transform 0.25s var(--ease); }
.card-link:hover svg { transform: translateX(4px); }

/* ---------- Why us ---------- */
.why-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: start;
}

.why-items {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 26px;
  margin-top: 8px;
}
.why-item { display: flex; gap: 16px; align-items: flex-start; }
.why-icon {
  width: 46px; height: 46px;
  flex-shrink: 0;
  border-radius: 13px;
  display: grid;
  place-items: center;
  background: var(--accent-soft);
  border: 1px solid rgba(56, 189, 248, 0.28);
  color: var(--accent-1);
}
.why-icon svg { width: 22px; height: 22px; }
.why-item h3 { font-size: 16.5px; margin-bottom: 6px; }
.why-item p { font-size: 14.5px; color: var(--muted); }

.why-panel { position: sticky; top: calc(var(--nav-h) + 24px); }
.panel-card {
  border-radius: var(--radius);
  border: 1px solid rgba(56, 189, 248, 0.25);
  background:
    radial-gradient(500px circle at 85% -20%, rgba(99, 102, 241, 0.18), transparent 55%),
    linear-gradient(180deg, rgba(17, 24, 42, 0.9), rgba(10, 15, 30, 0.92));
  padding: 32px 30px;
  box-shadow: 0 30px 70px -30px rgba(0, 0, 0, 0.7);
}
.panel-card h3 { font-size: 21px; margin-bottom: 8px; }
.panel-card > p { color: var(--muted); font-size: 14.5px; margin-bottom: 20px; }

.check-list { display: grid; gap: 13px; margin-bottom: 24px; }
.check-list li {
  position: relative;
  padding-left: 32px;
  font-size: 15px;
  font-weight: 500;
}
.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0; top: 1px;
  width: 21px; height: 21px;
  border-radius: 7px;
  background: rgba(52, 211, 153, 0.14);
  color: #34d399;
  font-size: 12.5px;
  font-weight: 800;
  display: grid;
  place-items: center;
}

.panel-note {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  background: var(--accent-soft);
  border: 1px solid rgba(56, 189, 248, 0.25);
  font-size: 13.5px;
  color: #bfdcf5;
}
.panel-note svg { width: 20px; height: 20px; flex-shrink: 0; color: var(--accent-1); margin-top: 1px; }

/* ---------- Process ---------- */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.step {
  position: relative;
  padding: 28px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: linear-gradient(180deg, var(--surface-2), var(--surface));
  transition: transform 0.35s var(--ease), border-color 0.35s;
}
.step:hover { transform: translateY(-6px); border-color: rgba(56, 189, 248, 0.4); }
.step::after {
  content: "";
  position: absolute;
  top: 44px;
  right: -22px;
  width: 22px;
  height: 2px;
  background: linear-gradient(90deg, rgba(56, 189, 248, 0.5), rgba(56, 189, 248, 0.08));
}
.step:last-child::after { display: none; }

.step-num {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--accent-1);
  background: var(--accent-soft);
  border: 1px solid rgba(56, 189, 248, 0.3);
  border-radius: 10px;
  padding: 7px 13px;
  margin-bottom: 18px;
}
.step h3 { font-size: 18px; margin-bottom: 10px; }
.step p { font-size: 14.5px; color: var(--muted); }

/* ---------- Testimonials ---------- */
.testi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.testi-card {
  padding: 30px 28px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: linear-gradient(180deg, var(--surface-2), var(--surface));
  display: flex;
  flex-direction: column;
  gap: 18px;
  transition: transform 0.35s var(--ease), border-color 0.35s;
}
.testi-card:hover { transform: translateY(-6px); border-color: rgba(56, 189, 248, 0.35); }

.stars { color: #fbbf24; font-size: 15px; letter-spacing: 3px; }

.testi-card blockquote {
  font-size: 15.5px;
  color: #cdd8ea;
  line-height: 1.7;
  flex: 1;
}
.testi-card figcaption {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}
.avatar {
  width: 46px; height: 46px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 15px;
  color: #061018;
  background: linear-gradient(140deg, var(--a), #fff8);
  flex-shrink: 0;
}
.testi-card figcaption strong { display: block; font-size: 15px; }
.testi-card figcaption span:not(.avatar) { font-size: 13px; color: var(--muted); }

/* ---------- FAQ ---------- */
.faq-wrap { max-width: 780px; }
.faq-list { display: grid; gap: 14px; }

.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: linear-gradient(180deg, var(--surface-2), var(--surface));
  transition: border-color 0.3s;
  overflow: hidden;
}
.faq-item[open] { border-color: rgba(56, 189, 248, 0.4); }

.faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 20px 24px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 16.5px;
  user-select: none;
}
.faq-item summary::-webkit-details-marker { display: none; }

.faq-chevron {
  width: 30px; height: 30px;
  border-radius: 9px;
  border: 1px solid var(--border-strong);
  position: relative;
  flex-shrink: 0;
  transition: transform 0.3s var(--ease), background 0.3s, border-color 0.3s;
}
.faq-chevron::before,
.faq-chevron::after {
  content: "";
  position: absolute;
  top: 50%; left: 50%;
  width: 12px; height: 2px;
  border-radius: 2px;
  background: var(--accent-1);
  transform: translate(-50%, -50%);
  transition: transform 0.3s var(--ease);
}
.faq-chevron::after { transform: translate(-50%, -50%) rotate(90deg); }
.faq-item[open] .faq-chevron { background: var(--accent-soft); border-color: rgba(56, 189, 248, 0.45); }
.faq-item[open] .faq-chevron::after { transform: translate(-50%, -50%) rotate(0); }

.faq-body { padding: 0 24px 22px; }
.faq-body p { color: var(--muted); font-size: 15px; }
.faq-item[open] .faq-body { animation: faqOpen 0.35s var(--ease); }
@keyframes faqOpen {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ---------- CTA band ---------- */
.cta-band {
  position: relative;
  padding: 96px 0;
  overflow: hidden;
  background:
    radial-gradient(700px circle at 20% 20%, rgba(56, 189, 248, 0.22), transparent 55%),
    radial-gradient(700px circle at 80% 80%, rgba(99, 102, 241, 0.26), transparent 55%),
    var(--bg-alt);
  border-block: 1px solid var(--border);
}
.cta-inner {
  text-align: center;
  max-width: 640px;
}
.cta-inner h2 { font-size: clamp(1.9rem, 3.6vw, 2.7rem); margin-bottom: 16px; }
.cta-inner p { color: var(--muted); font-size: 1.08rem; margin-bottom: 32px; }

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
  align-items: start;
}

.contact-list { display: grid; gap: 22px; margin-top: 6px; }
.contact-list li { display: flex; gap: 16px; align-items: flex-start; }
.contact-ic {
  width: 46px; height: 46px;
  flex-shrink: 0;
  border-radius: 13px;
  display: grid;
  place-items: center;
  background: var(--accent-soft);
  border: 1px solid rgba(56, 189, 248, 0.28);
  color: var(--accent-1);
}
.contact-ic svg { width: 21px; height: 21px; }
.contact-list strong {
  display: block;
  font-size: 14px;
  font-family: var(--font-head);
  margin-bottom: 3px;
}
.contact-list a, .contact-list span:not(.contact-ic) {
  font-size: 15px;
  color: var(--muted);
  transition: color 0.2s;
}
.contact-list a:hover { color: var(--accent-1); }
.contact-list em { font-style: normal; color: #34d399; font-size: 13px; }

/* --- Form --- */
.contact-form {
  padding: 34px 32px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(17, 24, 42, 0.75), rgba(10, 15, 30, 0.8));
  box-shadow: 0 30px 70px -35px rgba(0, 0, 0, 0.7);
  display: grid;
  gap: 18px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.form-group { display: grid; gap: 8px; }
.form-group label {
  font-size: 13.5px;
  font-weight: 600;
  color: #c3cede;
  letter-spacing: 0.02em;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  font: inherit;
  font-size: 15px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 13px 16px;
  outline: none;
  transition: border-color 0.25s, box-shadow 0.25s, background 0.25s;
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%239aa8bf' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 44px;
  cursor: pointer;
}
.form-group select option { background: #0d1324; color: var(--text); }
.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(154, 168, 191, 0.55); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent-1);
  background: rgba(56, 189, 248, 0.045);
  box-shadow: 0 0 0 4px rgba(56, 189, 248, 0.12);
}

.form-hint {
  font-size: 14px;
  text-align: center;
  color: #34d399;
  min-height: 1.4em;
  margin-top: -4px;
}
.form-hint.error { color: #f87171; }

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--border);
  background: var(--bg-alt);
  padding-top: 64px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.1fr;
  gap: 40px;
  padding-bottom: 48px;
}
.footer-brand p {
  color: var(--muted);
  font-size: 14.5px;
  margin-top: 18px;
  max-width: 300px;
}
.footer-col { display: grid; gap: 12px; align-content: start; }
.footer-col h4 {
  font-size: 14px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: 6px;
}
.footer-col a, .footer-muted {
  font-size: 14.5px;
  color: var(--muted);
  transition: color 0.2s;
  width: fit-content;
}
.footer-col a:hover { color: var(--accent-1); }

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
  align-items: center;
  padding-block: 22px;
  border-top: 1px solid var(--border);
  font-size: 13.5px;
  color: var(--muted);
}
/* ---------- To top ---------- */
.to-top {
  position: fixed;
  right: 26px;
  bottom: 26px;
  width: 48px; height: 48px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: var(--accent-grad);
  color: #fff;
  box-shadow: 0 12px 30px -8px rgba(99, 102, 241, 0.6);
  opacity: 0;
  visibility: hidden;
  transform: translateY(14px);
  transition: opacity 0.3s, transform 0.3s var(--ease), visibility 0.3s;
  z-index: 90;
}
.to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { transform: translateY(-3px); }
.to-top svg { width: 20px; height: 20px; }

/* ---------- Reveal animations ---------- */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
  transition-delay: var(--d, 0s);
  will-change: opacity, transform;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ---------- Focus & a11y ---------- */
:focus-visible {
  outline: 2px solid var(--accent-1);
  outline-offset: 3px;
  border-radius: 4px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
}

/* =====================================================
   İç sayfalar (çok sayfalı yapı)
   ===================================================== */

/* ---------- Sayfa hero'su ---------- */
.page-hero {
  position: relative;
  padding: calc(var(--nav-h) + 76px) 0 70px;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}
.page-hero .hero-bg { position: absolute; inset: 0; pointer-events: none; }
.page-hero .container { position: relative; }

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--muted);
  margin-bottom: 20px;
}
.breadcrumb a { color: var(--accent-1); transition: color 0.2s; }
.breadcrumb a:hover { color: #7dd3fc; }
.breadcrumb .sep { opacity: 0.5; }

.page-hero h1 {
  font-size: clamp(2.2rem, 4.6vw, 3.4rem);
  font-weight: 800;
  margin-bottom: 16px;
}
.page-hero .lead {
  color: var(--muted);
  font-size: clamp(1rem, 1.4vw, 1.12rem);
  max-width: 660px;
}

/* ---------- Hizmet detay satırları ---------- */
.sd-list { display: grid; gap: 88px; }

.sd-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
  align-items: center;
}
.sd-grid.reverse .sd-visual { order: 2; }

.sd-visual {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 280px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background:
    radial-gradient(360px circle at 70% 20%, rgba(99, 102, 241, 0.14), transparent 60%),
    radial-gradient(360px circle at 20% 85%, rgba(56, 189, 248, 0.1), transparent 60%),
    linear-gradient(180deg, var(--surface-2), var(--surface));
  overflow: hidden;
}
.sd-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(148, 163, 184, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.05) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, #000 30%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, #000 30%, transparent 78%);
}

.sd-icon {
  position: relative;
  width: 112px;
  height: 112px;
  border-radius: 30px;
  display: grid;
  place-items: center;
  background: linear-gradient(150deg, rgba(56, 189, 248, 0.18), rgba(99, 102, 241, 0.18));
  border: 1px solid rgba(56, 189, 248, 0.38);
  color: var(--accent-1);
  box-shadow: 0 20px 60px -18px rgba(56, 189, 248, 0.4),
              inset 0 0 30px rgba(56, 189, 248, 0.08);
}
.sd-icon svg { width: 52px; height: 52px; }

.sd-num {
  position: absolute;
  top: 18px;
  left: 20px;
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--accent-1);
  background: var(--accent-soft);
  border: 1px solid rgba(56, 189, 248, 0.3);
  border-radius: 10px;
  padding: 6px 12px;
}

.sd-content .eyebrow { margin-bottom: 10px; }
.sd-content h2 {
  font-size: clamp(1.5rem, 2.8vw, 2.05rem);
  margin-bottom: 14px;
}
.sd-content > p {
  color: var(--muted);
  font-size: 15.5px;
  margin-bottom: 22px;
  max-width: 560px;
}
.sd-content .check-list { margin-bottom: 28px; }

/* ---------- Sektör etiketleri ---------- */
.chip-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin: -26px auto 58px;
  max-width: 760px;
}
.chip {
  font-size: 14px;
  font-weight: 600;
  padding: 9px 19px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--muted);
  transition: border-color 0.25s, color 0.25s, transform 0.25s var(--ease);
}
.chip:hover {
  border-color: rgba(56, 189, 248, 0.45);
  color: var(--text);
  transform: translateY(-2px);
}

/* ---------- Hakkımızda: hikaye bloğu ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}
.about-text p {
  color: var(--muted);
  font-size: 16px;
  margin-bottom: 18px;
}
.about-text p strong { color: var(--text); }
.about-text p:last-child { margin-bottom: 0; }

/* ---------- Bölüm sonu yönlendirme ---------- */
.section-cta {
  display: flex;
  justify-content: center;
  margin-top: 48px;
}

/* =====================================================
   Proje & Ekosistem Portföy Kartları Stilleri
   ===================================================== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 28px;
  margin-top: 36px;
}

.project-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
  overflow: hidden;
}

.project-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent-grad);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.project-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-strong);
  box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.6), var(--glow);
}

.project-card:hover::before {
  opacity: 1;
}

.project-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}

.project-cat-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--accent-1);
  border: 1px solid rgba(56, 189, 248, 0.2);
}

.project-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  color: #34d399;
}

.project-status::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #34d399;
  box-shadow: 0 0 8px #34d399;
}

.project-card h3 {
  font-size: 22px;
  margin-bottom: 8px;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 10px;
}

.project-tagline {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--accent-1);
  margin-bottom: 14px;
}

.project-desc {
  font-size: 14.5px;
  color: var(--muted);
  line-height: 1.6;
  margin-bottom: 20px;
}

.project-features {
  list-style: none;
  padding: 0;
  margin: 0 0 24px 0;
  display: grid;
  gap: 8px;
}

.project-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13.5px;
  color: var(--text);
}

.project-features li svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  color: var(--accent-1);
  margin-top: 3px;
}

.project-tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  margin-top: auto;
}

.project-tech-tag {
  font-size: 11.5px;
  font-family: "Consolas", monospace;
  padding: 3px 9px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.project-featured-flag {
  border-color: rgba(99, 102, 241, 0.35);
  background: linear-gradient(145deg, rgba(99, 102, 241, 0.07), rgba(56, 189, 248, 0.03));
}

.project-action-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11.5px;
  font-family: var(--font-head);
  font-weight: 600;
  color: #38bdf8;
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.22);
  padding: 3px 9px;
  border-radius: 6px;
  margin-top: 10px;
  margin-bottom: 2px;
  text-decoration: none;
  transition: all 0.2s ease;
  width: fit-content;
}

.project-action-link:hover {
  background: rgba(56, 189, 248, 0.18);
  border-color: rgba(56, 189, 248, 0.5);
  color: #ffffff;
  transform: translateY(-1px);
}

.project-action-link svg {
  width: 11px;
  height: 11px;
  transition: transform 0.2s ease;
}

.project-action-link:hover svg {
  transform: translate(2px, -2px);
}



/* =====================================================
   Responsive
   ===================================================== */
@media (max-width: 1080px) {
  .hero-inner { gap: 40px; }
  .fb-1 { left: -12px; }
  .fb-2 { right: -8px; }
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .step:nth-child(2)::after { display: none; }
  .testi-grid { grid-template-columns: 1fr; max-width: 640px; margin-inline: auto; }
  .why-grid { grid-template-columns: 1fr; }
  .why-panel { position: static; max-width: 560px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  .nav-toggle { display: flex; }

  .nav-links {
    position: fixed;
    inset: 0;
    background: rgba(6, 10, 20, 0.97);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    flex-direction: column;
    justify-content: center;
    gap: 26px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
    z-index: 105;
  }
  .nav-links.open { opacity: 1; visibility: visible; }
  .nav-links > a:not(.btn) { font-size: 19px; }
  .nav-cta { margin-top: 8px; }

  .hero { padding-top: calc(var(--nav-h) + 48px); }
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { max-width: 540px; margin-inline: auto; width: 100%; }

  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 30px 16px; }
  .contact-grid { grid-template-columns: 1fr; gap: 44px; }
  .section { padding: 80px 0; }

  .page-hero { padding: calc(var(--nav-h) + 52px) 0 52px; }
  .sd-list { gap: 60px; }
  .sd-grid, .sd-grid.reverse { grid-template-columns: 1fr; gap: 28px; }
  .sd-grid.reverse .sd-visual { order: 0; }
  .sd-visual { min-height: 210px; }
  .about-grid { grid-template-columns: 1fr; gap: 36px; }
}

@media (max-width: 620px) {
  body { font-size: 15.5px; }
  .cards-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr; }
  .step::after { display: none; }
  .why-items { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .hero-actions .btn { width: 100%; }
  .float-badge { padding: 10px 14px; }
  .fb-1 { top: -16px; left: 4px; }
  .fb-2 { bottom: -14px; right: 4px; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .footer-bottom { justify-content: center; text-align: center; }
  .contact-form { padding: 26px 20px; }
  .to-top { right: 16px; bottom: 16px; }
}