/* =========================================
   SAMET GEZGIN — sametgezgin.com
   Brand: #B2A293 (warm sand) / #051028 (deep navy)
   ========================================= */

:root {
  --sand:       #B2A293;
  --sand-light: #C8BAB0;
  --sand-dark:  #9A8B7C;
  --navy:       #051028;
  --navy-light: #0D1F3C;
  --white:      #FFFFFF;
  --white-muted: rgba(255,255,255,0.7);
  --white-faint: rgba(255,255,255,0.12);

  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body:    'Jost', sans-serif;

  --max-w: 1080px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* RESET */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background-color: var(--sand);
  color: var(--navy);
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

/* =====================
   NAVIGATION
   ===================== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 0 2rem;
  background: rgba(178, 162, 147, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(5, 16, 40, 0.08);
  transition: background var(--transition);
}

.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  color: var(--navy);
  opacity: 0.9;
  transition: opacity var(--transition);
}
.nav-logo:hover { opacity: 1; }

.nav-links {
  display: flex;
  gap: 2.5rem;
}

.nav-links a {
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--navy);
  opacity: 0.65;
  transition: opacity var(--transition);
}
.nav-links a:hover { opacity: 1; }

/* =====================
   HERO
   ===================== */
.hero {
  position: relative;
  min-height: 100svh;
  background-color: var(--navy);
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 120px 2rem 80px;
}

/* Subtle texture overlay */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(ellipse 80% 60% at 70% 50%, rgba(178,162,147,0.07) 0%, transparent 70%),
    radial-gradient(ellipse 40% 80% at 20% 80%, rgba(178,162,147,0.05) 0%, transparent 60%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: var(--max-w);
  margin: 0 auto;
  width: 100%;
  animation: fadeUp 1s ease both;
}

.hero-eyebrow {
  font-family: var(--font-body);
  font-size: 0.72rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--sand);
  opacity: 0.7;
  margin-bottom: 1.5rem;
  animation: fadeUp 1s 0.1s ease both;
}

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(3.2rem, 8vw, 7rem);
  font-weight: 300;
  line-height: 1.05;
  color: var(--white);
  margin-bottom: 2rem;
  animation: fadeUp 1s 0.2s ease both;
}

.hero-headline em {
  font-style: italic;
  color: var(--sand);
  font-weight: 300;
}

.hero-sub {
  font-size: 1rem;
  color: var(--white-muted);
  max-width: 460px;
  line-height: 1.8;
  margin-bottom: 3rem;
  animation: fadeUp 1s 0.35s ease both;
}

.hero-ornament {
  position: absolute;
  right: -80px;
  top: 50%;
  transform: translateY(-50%);
  width: 520px;
  height: 520px;
  opacity: 0.4;
  pointer-events: none;
  animation: spin 120s linear infinite;
}

@keyframes spin {
  from { transform: translateY(-50%) rotate(0deg); }
  to   { transform: translateY(-50%) rotate(360deg); }
}

/* =====================
   BUTTONS
   ===================== */
.btn-primary {
  display: inline-block;
  padding: 0.9rem 2.4rem;
  background: var(--sand);
  color: var(--navy);
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  border: 1.5px solid var(--sand);
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  cursor: pointer;
}

.btn-primary:hover {
  background: transparent;
  color: var(--sand);
}

/* On light background (contact section) */
.contact .btn-primary {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
}
.contact .btn-primary:hover {
  background: transparent;
  color: var(--navy);
}

/* =====================
   SECTION RULE / DIVIDER
   ===================== */
.section-rule {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
}

.section-rule::before,
.section-rule::after {
  content: '';
  flex: 1;
  height: 1px;
  background: rgba(5, 16, 40, 0.15);
}

.section-rule span {
  font-size: 0.7rem;
  color: var(--navy);
  opacity: 0.3;
}

/* =====================
   CONTAINER
   ===================== */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
}

/* =====================
   SECTION TYPOGRAPHY
   ===================== */
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 300;
  line-height: 1.1;
  color: var(--navy);
  margin-bottom: 1rem;
}

.section-title em {
  font-style: italic;
  color: var(--navy-light);
}

.section-sub {
  font-size: 0.95rem;
  color: var(--navy);
  opacity: 0.6;
  max-width: 480px;
  margin-bottom: 3.5rem;
}

/* =====================
   SERVICES
   ===================== */
.services {
  padding: 6rem 0;
}

.services .section-title {
  margin-bottom: 3.5rem;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2px;
}

.service-card {
  background: rgba(255,255,255,0.45);
  padding: 2.5rem 2rem;
  border: 1px solid rgba(5, 16, 40, 0.08);
  transition: background var(--transition), transform var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: var(--navy);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.service-card:hover {
  background: rgba(255,255,255,0.75);
  transform: translateY(-2px);
}

.service-card:hover::after {
  transform: scaleX(1);
}

.service-icon {
  font-size: 1.4rem;
  margin-bottom: 1.2rem;
  opacity: 0.5;
  color: var(--navy);
}

.service-card h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--navy);
  margin-bottom: 0.8rem;
}

.service-card p {
  font-size: 0.88rem;
  color: var(--navy);
  opacity: 0.65;
  line-height: 1.7;
}

/* =====================
   APPS
   ===================== */
.apps {
  padding: 6rem 0;
}

.apps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 1rem;
}

.app-card {
  display: block;
  background: var(--navy);
  color: var(--white);
  padding: 2.5rem 2rem;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition);
  border: 1px solid transparent;
}

.app-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(178,162,147,0.08) 0%, transparent 60%);
  pointer-events: none;
}

.app-card:hover {
  transform: translateY(-3px);
  border-color: var(--sand-dark);
}

.app-badge {
  display: inline-block;
  font-size: 0.64rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--sand);
  border: 1px solid rgba(178,162,147,0.35);
  padding: 0.2rem 0.6rem;
  margin-bottom: 1.5rem;
}

.app-card h3 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 300;
  color: var(--white);
  margin-bottom: 0.8rem;
}

.app-card p {
  font-size: 0.88rem;
  color: var(--white-muted);
  line-height: 1.7;
  margin-bottom: 2rem;
}

.app-link {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--sand);
  transition: letter-spacing var(--transition);
}

.app-card:hover .app-link {
  letter-spacing: 0.22em;
}

/* =====================
   CONTACT
   ===================== */
.contact {
  padding: 6rem 0;
}

.contact-inner {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 4rem;
  flex-wrap: wrap;
}

.contact-text {
  max-width: 400px;
}

.contact-text p {
  font-size: 0.95rem;
  color: var(--navy);
  opacity: 0.65;
  margin-top: 1.2rem;
  line-height: 1.8;
}

.contact-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1rem;
}

.contact-note {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--navy);
  opacity: 0.4;
}

/* =====================
   FOOTER
   ===================== */
.footer {
  padding: 2rem;
  text-align: center;
  border-top: 1px solid rgba(5, 16, 40, 0.1);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  color: var(--navy);
  opacity: 0.4;
}

/* =====================
   ANIMATIONS
   ===================== */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* =====================
   RESPONSIVE
   ===================== */
@media (max-width: 768px) {
  .nav-links { gap: 1.5rem; }
  .nav-links a { font-size: 0.72rem; }

  .hero { padding: 100px 1.5rem 60px; }
  .hero-ornament { width: 280px; height: 280px; right: -60px; opacity: 0.2; }

  .container { padding: 0 1.5rem; }

  .services { padding: 4rem 0; }
  .services-grid { grid-template-columns: 1fr; gap: 2px; }

  .apps { padding: 4rem 0; }
  .apps-grid { grid-template-columns: 1fr; }

  .contact { padding: 4rem 0; }
  .contact-inner { flex-direction: column; align-items: flex-start; gap: 2.5rem; }

  .section-rule { padding: 0 1.5rem; }
}

@media (max-width: 480px) {
  .nav-links { display: none; }
}