/* ==========================================================
   solodotnet — tasarım tokenları (açık tema)
   ========================================================== */
:root {
  --bg: #F5F6F9;
  --bg-elevated: #FFFFFF;
  --bg-panel: #FFFFFF;
  --line: #E2E5EC;
  --line-soft: #EBEDF2;

  --text: #14171F;
  --text-muted: #5B6472;
  --text-dim: #8890A0;

  --accent: #2E56D9;
  --accent-bright: #3A5FE0;
  --accent-dim: #E7ECFB;
  --amber: #A9761F;
  --green: #1F8A57;
  --red: #C23934;

  /* Terminal / kod panelleri için bilinçli olarak koyu kalan yüzey tonları */
  --dark-bg: #0B0E15;
  --dark-panel: #141926;
  --dark-line: #262E40;
  --dark-text: #E9EBF0;
  --dark-text-dim: #8992A6;
  --dark-accent: #7C9BFF;
  --dark-amber: #D9A552;
  --dark-green: #5FBE8D;
  --dark-red: #E2726F;

  --font-display: "Space Grotesk", "Segoe UI", sans-serif;
  --font-body: "Inter", "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", "Consolas", monospace;

  --radius: 10px;
  --wrap: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  background-image:
    radial-gradient(ellipse 900px 500px at 15% -10%, rgba(46,86,217,0.06), transparent 60%),
    radial-gradient(ellipse 700px 500px at 100% 0%, rgba(169,118,31,0.045), transparent 55%);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.wrap {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 28px;
}

.mono { font-family: var(--font-mono); }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 0.5em;
  color: var(--text);
}

p { color: var(--text-muted); margin: 0 0 1em; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

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

/* ==========================================================
   Header
   ========================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line-soft);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.logo {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 17px;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo-mark { color: var(--accent); }

.cursor {
  color: var(--amber);
  animation: blink 1.1s steps(1) infinite;
  margin-left: 1px;
}

@keyframes blink { 50% { opacity: 0; } }

.main-nav { display: flex; align-items: center; gap: 30px; }

.main-nav a {
  font-size: 14.5px;
  color: var(--text-muted);
  transition: color 0.15s ease;
}

.main-nav a:hover { color: var(--text); }

.nav-cta {
  color: #FFFFFF !important;
  background: var(--accent);
  padding: 9px 18px;
  border-radius: 7px;
  font-weight: 500;
  transition: transform 0.15s ease, background 0.15s ease;
}

.nav-cta:hover { background: #23409C; transform: translateY(-1px); }

/* ==========================================================
   Butonlar
   ========================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 24px;
  border-radius: 8px;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 15px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.btn-primary { background: var(--accent); color: #FFFFFF; }
.btn-primary:hover { background: #23409C; transform: translateY(-1px); }

.btn-ghost { border-color: var(--line); color: var(--text); }
.btn-ghost:hover { border-color: var(--accent); background: var(--accent-dim); }

/* ==========================================================
   Hero
   ========================================================== */
.hero {
  padding: 100px 0 90px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--green);
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 22px;
  letter-spacing: 0.02em;
}

.eyebrow::before {
  content: "";
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 3px rgba(31,138,87,0.16);
}

.hero h1 {
  font-size: clamp(36px, 4.6vw, 56px);
  line-height: 1.08;
  margin-bottom: 22px;
}

.hero h1 .accent-word { color: var(--accent); }

.hero-lead {
  font-size: 17.5px;
  max-width: 480px;
  margin-bottom: 34px;
}

.hero-actions { display: flex; gap: 14px; margin-bottom: 40px; flex-wrap: wrap; }

.hero-stats { display: flex; gap: 34px; }
.hero-stats div { display: flex; flex-direction: column; }
.hero-stats strong { font-family: var(--font-display); font-size: 24px; color: var(--text); }
.hero-stats span { font-size: 13px; color: var(--text-dim); }

/* Terminal imza öğesi — bilinçli olarak koyu bırakıldı */
.terminal {
  background: var(--dark-panel);
  border: 1px solid var(--dark-line);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 30px 60px -25px rgba(20,28,48,0.35), 0 0 0 1px rgba(46,86,217,0.06);
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 13px 16px;
  background: var(--dark-bg);
  border-bottom: 1px solid var(--dark-line);
}

.terminal-dot { width: 10px; height: 10px; border-radius: 50%; }
.terminal-dot.r { background: var(--dark-red); }
.terminal-dot.y { background: var(--dark-amber); }
.terminal-dot.g { background: var(--dark-green); }

.terminal-title {
  margin-left: 8px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--dark-text-dim);
}

.terminal-body {
  padding: 22px 20px 26px;
  font-family: var(--font-mono);
  font-size: 13.6px;
  line-height: 1.85;
}

.terminal-body .prompt { color: var(--dark-accent); }
.terminal-body .cmd { color: var(--dark-text); }
.terminal-body .out { color: var(--dark-text-dim); display: block; }
.terminal-body .ok { color: var(--dark-green); }
.terminal-body .path { color: var(--dark-amber); }

/* ==========================================================
   Hero arkaplan videosu
   ========================================================== */
.hero { position: relative; overflow: hidden; }

.hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.07;
  filter: grayscale(70%) brightness(1.7) contrast(0.85);
  pointer-events: none;
  z-index: 0;
}

.hero-video-fade {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(245,246,249,0.3) 0%, var(--bg) 92%);
  z-index: 1;
  pointer-events: none;
}

.hero-grid { position: relative; z-index: 2; }

/* ==========================================================
   Görsel / medya blokları
   ========================================================== */
.media-frame {
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--bg-panel);
  box-shadow: 0 24px 48px -28px rgba(20,28,48,0.16);
}

.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.split-media {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.split-media .media-frame { aspect-ratio: 4 / 3; }
.split-media.reverse { direction: rtl; }
.split-media.reverse > * { direction: ltr; }

.media-caption {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--text-dim);
}

.media-caption .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--green); flex-shrink: 0; }

/* ==========================================================
   Proje slider'ı
   ========================================================== */
.project-slider { position: relative; }

.slider-viewport {
  overflow: hidden;
  border-radius: 16px;
}

.slider-track {
  display: flex;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.slide {
  flex: 0 0 100%;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  align-items: stretch;
  min-height: 340px;
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
}

.slide-media { overflow: hidden; }
.slide-media img { width: 100%; height: 100%; object-fit: cover; display: block; }

.slide-body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 40px 44px;
}

.slide-tag {
  font-size: 12.5px;
  color: var(--accent);
  letter-spacing: 0.04em;
  margin-bottom: 12px;
}

.slide-body h3 { font-size: 22px; margin-bottom: 10px; }
.slide-body p { font-size: 15px; margin-bottom: 18px; }

.slide-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.slide-tags .stack-pill { font-size: 12px; padding: 5px 12px; }

.slider-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  margin-top: 24px;
}

.slider-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--bg-panel);
  color: var(--text);
  font-size: 19px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease, color 0.15s ease;
}

.slider-btn:hover { border-color: var(--accent); background: var(--accent-dim); color: var(--accent); }

.slider-dots { display: flex; align-items: center; gap: 8px; }

.slider-dot {
  width: 8px;
  height: 8px;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: var(--line);
  cursor: pointer;
  transition: background 0.15s ease, transform 0.15s ease;
}

.slider-dot.active { background: var(--accent); transform: scale(1.35); }

@media (max-width: 900px) {
  .slide { grid-template-columns: 1fr; }
  .slide-media { aspect-ratio: 16 / 9; }
  .slide-body { padding: 28px 26px; }
}

/* ==========================================================
   Bölüm başlıkları / genel yapı
   ========================================================== */
section { padding: 88px 0; }
section.tight { padding: 64px 0; }

.section-head {
  max-width: 620px;
  margin-bottom: 52px;
}

.section-head .eyebrow { color: var(--accent); }
.section-head .eyebrow::before { background: var(--accent); box-shadow: 0 0 0 3px rgba(46,86,217,0.16); }

.section-head h2 { font-size: clamp(28px, 3vw, 38px); }

.divider {
  border: none;
  border-top: 1px solid var(--line-soft);
  margin: 0;
}

/* ==========================================================
   Servis kartları (method-signature stili)
   ========================================================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}

.service-card {
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 26px 26px;
  box-shadow: 0 1px 2px rgba(20,28,48,0.03);
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.service-card:hover { border-color: var(--accent); transform: translateY(-3px); box-shadow: 0 16px 32px -20px rgba(20,28,48,0.18); }

.service-sig {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent-bright);
  margin-bottom: 16px;
  word-break: break-word;
}

.service-sig .kw { color: var(--text-dim); }
.service-sig .ret { color: var(--amber); }

.service-card h3 { font-size: 19px; margin-bottom: 10px; }
.service-card p { font-size: 14.5px; margin-bottom: 0; }

/* ==========================================================
   Süreç / adımlar
   ========================================================== */
.process-list { display: flex; flex-direction: column; }

.process-row {
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 24px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line-soft);
}

.process-row:first-child { border-top: 1px solid var(--line-soft); }

.process-index {
  font-family: var(--font-mono);
  color: var(--text-dim);
  font-size: 14px;
  padding-top: 3px;
}

.process-row h3 { font-size: 18px; margin-bottom: 6px; }
.process-row p { margin-bottom: 0; max-width: 560px; }

/* ==========================================================
   Teknoloji şeridi
   ========================================================== */
.stack-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.stack-pill {
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 20px;
  color: var(--text-muted);
  background: var(--bg-panel);
}

/* ==========================================================
   CTA bandı
   ========================================================== */
.cta-band {
  background: linear-gradient(135deg, rgba(46,86,217,0.08), rgba(169,118,31,0.04));
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
}

.cta-band h2 { font-size: 28px; margin-bottom: 8px; }
.cta-band p { margin: 0; }

/* ==========================================================
   Sayfa başlığı (iç sayfalar)
   ========================================================== */
.page-hero { padding: 72px 0 56px; border-bottom: 1px solid var(--line-soft); }
.page-hero h1 { font-size: clamp(32px, 4vw, 46px); max-width: 700px; }
.page-hero .hero-lead { margin-bottom: 0; }

/* ==========================================================
   Hakkımızda
   ========================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.value-list { display: flex; flex-direction: column; gap: 22px; }

.value-item { display: flex; gap: 16px; }

.value-marker {
  font-family: var(--font-mono);
  color: var(--accent-bright);
  font-size: 14px;
  flex-shrink: 0;
  padding-top: 2px;
}

.value-item h4 { font-size: 16.5px; margin-bottom: 4px; }
.value-item p { font-size: 14.5px; margin-bottom: 0; }

/* ==========================================================
   İletişim
   ========================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 56px;
}

.contact-info-card {
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px;
  height: fit-content;
  box-shadow: 0 1px 2px rgba(20,28,48,0.03);
}

.contact-info-card h3 { font-size: 16px; margin-bottom: 18px; }

.contact-fact { display: flex; flex-direction: column; margin-bottom: 18px; }
.contact-fact span:first-child { font-size: 12.5px; color: var(--text-dim); font-family: var(--font-mono); margin-bottom: 3px; }
.contact-fact span:last-child, .contact-fact a { font-size: 15px; color: var(--text); }

.form-group { margin-bottom: 20px; }

.form-group label {
  display: block;
  font-size: 13.5px;
  color: var(--text-muted);
  margin-bottom: 7px;
  font-family: var(--font-mono);
}

.form-control {
  width: 100%;
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 14px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 15px;
  transition: border-color 0.15s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--accent);
}

textarea.form-control { resize: vertical; min-height: 130px; }

.field-error {
  color: var(--red);
  font-size: 13px;
  margin-top: 6px;
  display: block;
}

.alert-success {
  background: rgba(31,138,87,0.08);
  border: 1px solid rgba(31,138,87,0.3);
  color: var(--green);
  padding: 14px 18px;
  border-radius: 8px;
  font-size: 14.5px;
  margin-bottom: 24px;
}

/* ==========================================================
   Footer
   ========================================================== */
.site-footer {
  border-top: 1px solid var(--line-soft);
  padding-top: 54px;
  margin-top: 60px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
  padding-bottom: 40px;
}

.footer-brand { max-width: 280px; }
.footer-brand .logo-mark { color: var(--accent); font-family: var(--font-mono); margin-right: 6px; }
.footer-brand p { font-size: 14px; margin-top: 10px; }

.footer-links { display: flex; gap: 64px; }
.footer-links h4 { font-size: 13px; color: var(--text-dim); font-family: var(--font-mono); font-weight: 500; margin-bottom: 14px; }
.footer-links a, .footer-links span { display: block; font-size: 14.5px; color: var(--text-muted); margin-bottom: 10px; }
.footer-links a:hover { color: var(--text); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  border-top: 1px solid var(--line-soft);
  padding: 20px 0;
  font-size: 13px;
  color: var(--text-dim);
}

/* ==========================================================
   Responsive
   ========================================================== */
@media (max-width: 900px) {
  .hero-grid, .about-grid, .contact-grid, .split-media { grid-template-columns: 1fr; }
  .split-media.reverse { direction: ltr; }
  .services-grid { grid-template-columns: 1fr 1fr; }
  .main-nav { gap: 18px; }
  .main-nav a:not(.nav-cta) { display: none; }
  .cta-band { flex-direction: column; text-align: center; }
}

@media (max-width: 620px) {
  .services-grid { grid-template-columns: 1fr; }
  .hero { padding: 60px 0 50px; }
  section { padding: 60px 0; }
  .cta-band { padding: 36px 24px; }
  .footer-inner { flex-direction: column; }
  .footer-links { gap: 36px; }
}