/* =============================================
   ERYEL MEDYA — style.css
   Dark luxury theme with MJ-Fade scroll reveals
   ============================================= */

/* ── CSS Variables ── */
:root {
  --bg:          #1a0f0f;
  --bg-mid:      #1f1212;
  --bg-card:     #231515;
  --bg-card-2:   #271717;
  --accent:      #e7d1b1;
  --accent-dim:  #c4a882;
  --accent-glow: rgba(231, 209, 177, 0.18);
  --text:        #f5f5f5;
  --text-dim:    #a89080;
  --text-muted:  #6e5555;
  --border:      rgba(231, 209, 177, 0.12);
  --border-hover:rgba(231, 209, 177, 0.38);
  --shadow-sm:   0 2px 12px rgba(0,0,0,0.4);
  --shadow-md:   0 8px 32px rgba(0,0,0,0.55);
  --shadow-lg:   0 20px 60px rgba(0,0,0,0.7);
  --radius-sm:   6px;
  --radius-md:   12px;
  --radius-lg:   20px;
  --radius-xl:   32px;
  --header-h:    76px;
  --font-display:'Playfair Display', Georgia, serif;
  --font-body:   'DM Sans', 'Segoe UI', system-ui, sans-serif;
  --ease-out:    cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.45, 0, 0.55, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
  font-size: 16px;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

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

ul { list-style: none; }

.container {
  width: min(1200px, 100% - 2.5rem);
  margin-inline: auto;
}

.section-padding {
  padding-block: clamp(80px, 12vw, 140px);
}

/* ── MJ-Fade Reveal ── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity 0.75s var(--ease-out),
    transform 0.75s var(--ease-out);
  transition-delay: var(--delay, 0s);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.8rem;
  border-radius: 100px;
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  cursor: pointer;
  border: none;
  transition:
    transform 0.35s var(--ease-out),
    box-shadow 0.35s var(--ease-out),
    background 0.3s,
    color 0.3s;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: #1a0f0f;
}

.btn-primary:hover,
.btn-primary:focus-visible {
  transform: scale(1.07);
  box-shadow: 0 10px 40px rgba(231, 209, 177, 0.35);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-ghost:hover,
.btn-ghost:focus-visible {
  transform: scale(1.07);
  border-color: var(--accent-dim);
  box-shadow: 0 10px 30px rgba(0,0,0,0.4);
}

.btn-lg {
  padding: 1rem 2.2rem;
  font-size: 1rem;
}

/* ── Section Headings ── */
.section-header {
  text-align: center;
  margin-bottom: clamp(48px, 6vw, 72px);
}

.section-eyebrow {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--text);
  margin-bottom: 1rem;
}

.section-desc {
  color: var(--text-dim);
  font-size: 1.05rem;
  max-width: 480px;
  margin-inline: auto;
}

/* ==============================
   HEADER
   ============================== */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(26, 15, 15, 0.72);
  backdrop-filter: blur(18px) saturate(1.4);
  -webkit-backdrop-filter: blur(18px) saturate(1.4);
  border-bottom: 1px solid var(--border);
  transition: background 0.4s, box-shadow 0.4s;
}

.site-header.scrolled {
  background: rgba(26, 15, 15, 0.95);
  box-shadow: 0 4px 32px rgba(0,0,0,0.5);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* Brand */
.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.brand-logo {
  height: 48px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 0 8px rgba(231,209,177,0.2));
}

.brand-name {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.brand-name em {
  font-style: normal;
  color: var(--accent);
}

/* Nav */
.main-nav ul {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--text-dim);
  padding: 0.45rem 1rem;
  border-radius: 100px;
  position: relative;
  transition: color 0.25s, background 0.25s;
  letter-spacing: 0.01em;
}

.nav-link::after {
  content: '';
  position: absolute;
  inset: auto 1rem 0;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform 0.3s var(--ease-out);
}

.nav-link:hover,
.nav-link.active {
  color: var(--text);
  background: rgba(231,209,177,0.07);
}

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

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 8px;
  transition: border-color 0.3s;
}

.nav-toggle span {
  display: block;
  height: 1.5px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.35s var(--ease-out), opacity 0.25s;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ==============================
   HERO
   ============================== */
.hero {
  position: relative;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.06);
  animation: heroZoom 14s var(--ease-in-out) forwards;
}

@keyframes heroZoom {
  to { transform: scale(1); }
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    160deg,
    rgba(26, 15, 15, 0.82) 0%,
    rgba(26, 15, 15, 0.65) 50%,
    rgba(26, 15, 15, 0.88) 100%
  );
}

.hero-grain {
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  background-size: 256px;
  opacity: 0.55;
  mix-blend-mode: overlay;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  padding-top: calc(var(--header-h) + 2rem);
  padding-bottom: clamp(80px, 12vw, 120px);
  max-width: 780px;
}

.hero-eyebrow {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.25rem;
  animation: fadeUp 0.8s var(--ease-out) 0.2s both;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5.5vw, 4.2rem);
  font-weight: 700;
  line-height: 1.12;
  color: var(--text);
  margin-bottom: 1.5rem;
  animation: fadeUp 0.9s var(--ease-out) 0.35s both;
}

.hero-title-accent {
  color: var(--accent);
  position: relative;
}

.hero-sub {
  font-size: clamp(1rem, 1.8vw, 1.15rem);
  color: rgba(245,245,245,0.72);
  max-width: 560px;
  margin-bottom: 2.25rem;
  font-weight: 300;
  animation: fadeUp 0.9s var(--ease-out) 0.5s both;
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  animation: fadeUp 0.9s var(--ease-out) 0.65s both;
}

.hero-scroll-hint {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: clamp(3rem, 6vw, 5rem);
  animation: fadeUp 1s var(--ease-out) 0.9s both;
}

.scroll-line {
  display: block;
  width: 48px;
  height: 1px;
  background: var(--accent-dim);
}

.scroll-label {
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ==============================
   SERVICES
   ============================== */
.services {
  background: var(--bg-mid);
  position: relative;
}

.services::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 40% at 50% 0%, rgba(231,209,177,0.04) 0%, transparent 70%);
  pointer-events: none;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem 1.75rem 1.75rem;
  position: relative;
  overflow: hidden;
  transition:
    transform 0.4s var(--ease-out),
    border-color 0.4s,
    box-shadow 0.4s;
}

.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(231,209,177,0.06) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.4s;
}

.service-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-lg), 0 0 40px rgba(231,209,177,0.06);
}

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

.card-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(231,209,177,0.09);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--accent);
  margin-bottom: 1.5rem;
  transition: background 0.3s, border-color 0.3s, transform 0.4s var(--ease-out);
}

.service-card:hover .card-icon {
  background: rgba(231,209,177,0.15);
  border-color: var(--border-hover);
  transform: scale(1.08) rotate(-3deg);
}

.card-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.65rem;
  line-height: 1.25;
}

.card-desc {
  font-size: 0.9rem;
  color: var(--text-dim);
  line-height: 1.65;
  margin-bottom: 1.25rem;
}

.card-tag {
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-dim);
  background: rgba(231,209,177,0.08);
  border: 1px solid var(--border);
  padding: 0.3rem 0.75rem;
  border-radius: 100px;
}

/* ==============================
   PORTFOLIO
   ============================== */
.portfolio {
  background: var(--bg);
  position: relative;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.portfolio-card {
  aspect-ratio: 4/3;
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  cursor: pointer;
  border: 1px solid var(--border);
  transition: transform 0.35s var(--ease-out), box-shadow 0.35s var(--ease-out);
}

.portfolio-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Patterned backgrounds per category */
.portfolio-bg-pattern {
  position: absolute;
  inset: 0;
  transition: transform 0.55s var(--ease-out);
}

.portfolio-bg-pattern.health {
  background:
    radial-gradient(circle at 30% 40%, rgba(180,220,200,0.15) 0%, transparent 55%),
    linear-gradient(140deg, #1e2820 0%, #111a14 100%);
}

.portfolio-bg-pattern.auto {
  background:
    radial-gradient(circle at 70% 30%, rgba(200,200,210,0.15) 0%, transparent 55%),
    linear-gradient(140deg, #1a1a22 0%, #111118 100%);
}

.portfolio-bg-pattern.edu {
  background:
    radial-gradient(circle at 50% 70%, rgba(220,200,140,0.15) 0%, transparent 55%),
    linear-gradient(140deg, #201c10 0%, #171310 100%);
}

.portfolio-bg-pattern.fitness {
  background:
    radial-gradient(circle at 20% 50%, rgba(220,100,100,0.15) 0%, transparent 55%),
    linear-gradient(140deg, #201515 0%, #170f0f 100%);
}

.portfolio-bg-pattern.esnaf {
  background:
    radial-gradient(circle at 60% 60%, rgba(180,160,120,0.15) 0%, transparent 55%),
    linear-gradient(140deg, #1e1a10 0%, #16130a 100%);
}

.portfolio-bg-pattern.portfolio {
  background:
    radial-gradient(circle at 40% 30%, rgba(160,140,220,0.15) 0%, transparent 55%),
    linear-gradient(140deg, #191520 0%, #100f18 100%);
}

.portfolio-card:hover .portfolio-bg-pattern {
  transform: scale(1.06);
}

/* Grid pattern overlay */
.portfolio-card-inner::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(231,209,177,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(231,209,177,0.04) 1px, transparent 1px);
  background-size: 24px 24px;
  z-index: 1;
}

.portfolio-icon {
  position: relative;
  z-index: 2;
  color: var(--accent-dim);
  transition: transform 0.45s var(--ease-out), color 0.3s;
}

.portfolio-card:hover .portfolio-icon {
  transform: scale(0.85) translateY(-4px);
  color: var(--accent);
}

/* Overlay — her zaman görünür (Revize 4) */
.portfolio-overlay {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.5rem;
  background: linear-gradient(
    to top,
    rgba(26,15,15,0.96) 0%,
    rgba(26,15,15,0.7) 45%,
    rgba(26,15,15,0.35) 100%
  );
  opacity: 1;
  transform: none;
  transition: none;
}

.portfolio-card:hover .portfolio-overlay {
  opacity: 1;
  transform: none;
}

/* Hover: sadece kart hafifçe büyüsün (Revize 4) */
.portfolio-card:hover {
  transform: scale(1.03);
}

.portfolio-category {
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.35rem;
}

.portfolio-label {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.45rem;
  line-height: 1.2;
}

.portfolio-desc {
  font-size: 0.78rem;
  color: var(--text-dim);
  line-height: 1.55;
  margin-bottom: 0.9rem;
}

.portfolio-cta {
  display: inline-flex;
  align-items: center;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--accent);
  gap: 0.35rem;
  transition: gap 0.3s;
}

.portfolio-cta::after {
  content: '→';
  transition: transform 0.3s var(--ease-out);
}

.portfolio-card:hover .portfolio-cta::after {
  transform: translateX(4px);
}

/* ==============================
   CTA SECTION
   ============================== */
.cta-section {
  background: var(--bg-mid);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 60% at 50% 100%, rgba(231,209,177,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.cta-card {
  background: var(--bg-card-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: clamp(3rem, 7vw, 5.5rem) clamp(2rem, 6vw, 5rem);
  text-align: center;
  position: relative;
  overflow: hidden;
  max-width: 820px;
  margin-inline: auto;
}

.cta-deco {
  position: absolute;
  top: -120px;
  left: 50%;
  transform: translateX(-50%);
  width: 500px;
  height: 300px;
  background: radial-gradient(ellipse, rgba(231,209,177,0.08) 0%, transparent 65%);
  pointer-events: none;
}

.cta-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--text);
  margin-bottom: 1.25rem;
}

.cta-title span {
  color: var(--accent);
}

.cta-desc {
  color: var(--text-dim);
  font-size: 1.02rem;
  max-width: 480px;
  margin-inline: auto;
  margin-bottom: 2.25rem;
}

.cta-actions {
  margin-bottom: 2.25rem;
}

.contact-details {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem 2.5rem;
}

.contact-details li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.88rem;
  color: var(--text-dim);
}

.contact-details li svg { color: var(--accent-dim); flex-shrink: 0; }
.contact-details a { transition: color 0.25s; }
.contact-details a:hover { color: var(--accent); }

/* ==============================
   FOOTER
   ============================== */
.site-footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding-block: 2.5rem;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  text-align: center;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.footer-brand img {
  height: 40px;
  width: auto;
  opacity: 0.7;
  filter: grayscale(0.3);
}

.footer-tagline {
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.25rem 1.25rem;
}

.footer-nav a {
  font-size: 0.85rem;
  color: var(--text-dim);
  padding: 0.25rem 0;
  transition: color 0.25s;
  position: relative;
}

.footer-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width 0.3s var(--ease-out);
}

.footer-nav a:hover { color: var(--accent); }
.footer-nav a:hover::after { width: 100%; }

.footer-bottom {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
}

.footer-bottom p {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ==============================
   RESPONSIVE
   ============================== */

/* Tablet */
@media (max-width: 900px) {
  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Mobile */
@media (max-width: 680px) {
  :root { --header-h: 68px; }

  .nav-toggle { display: flex; }

  .main-nav {
    position: fixed;
    inset: var(--header-h) 0 0;
    background: rgba(22, 12, 12, 0.97);
    backdrop-filter: blur(20px);
    display: flex;
    align-items: center;
    justify-content: center;
    transform: translateX(100%);
    transition: transform 0.45s var(--ease-out);
  }

  .main-nav.open {
    transform: translateX(0);
  }

  .main-nav ul {
    flex-direction: column;
    gap: 0.5rem;
  }

  .nav-link {
    font-size: 1.3rem;
    padding: 0.75rem 2rem;
  }

  .hero-content {
    padding-top: calc(var(--header-h) + 1rem);
  }

  .portfolio-grid {
    grid-template-columns: 1fr;
  }

  .portfolio-card {
    aspect-ratio: 16/9;
  }

  .portfolio-overlay {
    opacity: 1;
    transform: none;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .cta-card {
    padding: 2.5rem 1.5rem;
  }

  .contact-details {
    flex-direction: column;
    align-items: center;
  }
}

@media (max-width: 420px) {
  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .btn { width: 100%; justify-content: center; }
}

/* ── Focus Accessibility ── */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 3px;
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-hover); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent-dim); }

/* ── Selection ── */
::selection {
  background: rgba(231,209,177,0.22);
  color: var(--text);
}

/* ── Portfolio: gerçek fotoğraf arka plan (Revize 3) ── */
.portfolio-bg-photo {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  transition: transform 0.55s var(--ease-out);
}

.portfolio-card:hover .portfolio-bg-photo {
  transform: scale(1.06);
}

/* ── Portfolio: başlık linki alt sayfaya (Revize 4) ── */
.portfolio-page-link {
  color: inherit;
  text-decoration: none;
  display: block;
  transition: color 0.25s;
}

.portfolio-page-link:hover {
  color: var(--accent);
}