:root {
  --bg: #0b1220;
  --bg-elevated: #111b2e;
  --surface: #162236;
  --border: rgba(148, 163, 184, 0.18);
  --text: #e8eef7;
  --muted: #94a3b8;
  --accent: #38bdf8;
  --accent-2: #22d3ee;
  --accent-glow: rgba(56, 189, 248, 0.25);
  --success: #34d399;
  --radius: 14px;
  --radius-lg: 22px;
  --font: "DM Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --max: 1160px;
  --header-h: 72px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  color: var(--accent-2);
}

.container {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(11, 18, 32, 0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--text);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.logo:hover {
  color: var(--text);
}

.logo-mark {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), #6366f1);
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 0.95rem;
  color: #0b1220;
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav-desktop a {
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 500;
  white-space: nowrap;
}

.nav-desktop a:hover,
.nav-desktop a.active {
  color: var(--text);
}

.nav-cta {
  padding: 0.55rem 1.1rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #042f3a !important;
  font-weight: 600;
}

.nav-cta:hover {
  filter: brightness(1.08);
  color: #042f3a !important;
}

.menu-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  width: 44px;
  height: 44px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 1.25rem;
}

.mobile-nav {
  display: none;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1rem 0 1.25rem;
  border-top: 1px solid var(--border);
}

.mobile-nav.open {
  display: flex;
}

.mobile-nav a {
  color: var(--muted);
  padding: 0.65rem 0;
  font-weight: 500;
}

/* Hero */
.hero {
  position: relative;
  padding: 4.5rem 0 5rem;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: -40% -20% auto;
  height: 70%;
  background: radial-gradient(ellipse at 30% 20%, var(--accent-glow), transparent 65%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: center;
  position: relative;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--muted);
  font-size: 0.82rem;
  margin-bottom: 1.25rem;
}

.hero-badge span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 10px var(--success);
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.15rem);
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin: 0 0 1.25rem;
  font-weight: 700;
}

.hero h1 em {
  font-style: normal;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-lead {
  color: var(--muted);
  font-size: 1.08rem;
  max-width: 34rem;
  margin: 0 0 2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.8rem 1.35rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: transform 0.15s, filter 0.15s;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #042f3a;
}

.btn-primary:hover {
  filter: brightness(1.06);
  color: #042f3a;
}

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

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

.hero-side {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.toner-showcase {
  position: relative;
  min-height: 220px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 1.5rem 0.5rem 0.75rem;
  background: linear-gradient(165deg, var(--surface), var(--bg-elevated));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
}

.toner-showcase::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 80%, var(--accent-glow), transparent 70%);
  pointer-events: none;
}

.toner-float {
  position: relative;
  width: clamp(68px, 16vw, 100px);
  height: auto;
  filter: drop-shadow(0 14px 28px rgba(0, 0, 0, 0.5));
  transition: transform 0.25s ease;
  z-index: 1;
}

.toner-float:not(:first-child) {
  margin-left: -1.35rem;
}

.toner-float--1 { transform: rotate(-10deg) translateY(8px); }
.toner-float--2 { transform: rotate(-4deg) translateY(2px); z-index: 2; }
.toner-float--3 { transform: rotate(4deg) translateY(2px); z-index: 2; }
.toner-float--4 { transform: rotate(10deg) translateY(8px); }

.toner-showcase:hover .toner-float--1 { transform: rotate(-12deg) translateY(0); }
.toner-showcase:hover .toner-float--2 { transform: rotate(-2deg) translateY(-6px); }
.toner-showcase:hover .toner-float--3 { transform: rotate(2deg) translateY(-6px); }
.toner-showcase:hover .toner-float--4 { transform: rotate(12deg) translateY(0); }

.toner-section {
  padding: 3.5rem 0;
}

.toner-gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.toner-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1rem 1.5rem;
  text-align: center;
  transition: border-color 0.2s, transform 0.2s;
}

.toner-card:hover {
  border-color: rgba(56, 189, 248, 0.45);
  transform: translateY(-3px);
}

.toner-card-img {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 130px;
  margin-bottom: 0.75rem;
}

.toner-card-img img {
  width: 80px;
  height: auto;
  filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.4));
}

.toner-card h3 {
  margin: 0 0 0.35rem;
  font-size: 0.98rem;
}

.toner-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.hero-card {
  background: linear-gradient(160deg, var(--surface), var(--bg-elevated));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
}

.hero-card h3 {
  margin: 0 0 1rem;
  font-size: 1rem;
  color: var(--muted);
  font-weight: 500;
}

.stat-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.stat {
  padding: 1rem;
  border-radius: var(--radius);
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border);
}

.stat strong {
  display: block;
  font-size: 1.5rem;
  color: var(--accent-2);
}

.stat span {
  font-size: 0.82rem;
  color: var(--muted);
}

.hero-list {
  margin: 1.25rem 0 0;
  padding: 0;
  list-style: none;
}

.hero-list li {
  padding: 0.55rem 0;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.92rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.hero-list li::before {
  content: "✓";
  color: var(--success);
  font-weight: 700;
}

/* Sections */
section {
  padding: 4rem 0;
}

.section-head {
  text-align: center;
  max-width: 40rem;
  margin: 0 auto 2.75rem;
}

.section-head h2 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  letter-spacing: -0.02em;
}

.section-head p {
  margin: 0;
  color: var(--muted);
}

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

.cards.cols-2 {
  grid-template-columns: repeat(2, 1fr);
}

.card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  transition: border-color 0.2s, transform 0.2s;
}

.card:hover {
  border-color: rgba(56, 189, 248, 0.45);
  transform: translateY(-3px);
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(56, 189, 248, 0.12);
  display: grid;
  place-items: center;
  font-size: 1.35rem;
  margin-bottom: 1rem;
}

.card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

/* About strip */
.about-strip {
  background: var(--bg-elevated);
  border-block: 1px solid var(--border);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
}

.about-grid ul {
  margin: 1rem 0 0;
  padding-left: 1.1rem;
  color: var(--muted);
}

.about-grid li {
  margin-bottom: 0.45rem;
}

/* CTA */
.cta-band {
  text-align: center;
  padding: 3.5rem 2rem;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.15), rgba(99, 102, 241, 0.12));
  border: 1px solid var(--border);
}

.cta-band h2 {
  margin: 0 0 0.75rem;
}

.cta-band p {
  color: var(--muted);
  margin: 0 0 1.5rem;
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 2rem;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.info-block {
  padding: 1.15rem 1.25rem;
  border-radius: var(--radius);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
}

.info-block strong {
  display: block;
  margin-bottom: 0.25rem;
  font-size: 0.82rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.88rem;
  color: var(--muted);
}

.form input,
.form textarea,
.form select {
  padding: 0.75rem 1rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text);
  font: inherit;
}

.form input:focus,
.form textarea:focus,
.form select:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.form textarea {
  min-height: 120px;
  resize: vertical;
}

/* Page hero (inner) */
.page-hero {
  padding: 3rem 0 2rem;
  border-bottom: 1px solid var(--border);
}

.page-hero h1 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.75rem, 4vw, 2.4rem);
}

.page-hero p {
  margin: 0;
  color: var(--muted);
  max-width: 36rem;
}

/* Footer */
.site-footer {
  margin-top: 3rem;
  padding: 2.5rem 0;
  border-top: 1px solid var(--border);
  background: var(--bg-elevated);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2rem;
}

.footer-grid p,
.footer-grid a {
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-grid h4 {
  margin: 0 0 0.75rem;
  font-size: 0.9rem;
}

.footer-bottom {
  margin-top: 2rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  font-size: 0.82rem;
  color: var(--muted);
}

/* Process steps */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.step {
  text-align: center;
  padding: 1.25rem;
}

.step-num {
  width: 36px;
  height: 36px;
  margin: 0 auto 0.75rem;
  border-radius: 50%;
  background: var(--accent);
  color: #042f3a;
  font-weight: 700;
  display: grid;
  place-items: center;
}

.step h3 {
  margin: 0 0 0.35rem;
  font-size: 1rem;
}

.step p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--muted);
}

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

.ref-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}

.ref-card .tag {
  display: inline-block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent-2);
  background: rgba(56, 189, 248, 0.12);
  padding: 0.25rem 0.55rem;
  border-radius: 6px;
  margin-bottom: 0.75rem;
}

.ref-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
}

.ref-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.quote-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  margin-top: 2rem;
}

.quote-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}

.quote-card blockquote {
  margin: 0 0 1rem;
  color: var(--text);
  font-size: 0.95rem;
  line-height: 1.65;
}

.quote-card cite {
  font-style: normal;
  font-size: 0.85rem;
  color: var(--muted);
}

.quote-card cite strong {
  color: var(--accent);
  display: block;
  margin-bottom: 0.15rem;
}

/* İş ortakları */
.partner-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.partner-tile {
  aspect-ratio: 16/10;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 1rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-align: center;
  transition: border-color 0.2s, transform 0.2s;
  color: var(--text);
}

.partner-tile:hover {
  border-color: rgba(56, 189, 248, 0.5);
  transform: translateY(-2px);
  color: var(--text);
}

.partner-tile span {
  font-weight: 700;
  font-size: 0.95rem;
}

.partner-tile small {
  color: var(--muted);
  font-size: 0.75rem;
}

.partner-tile.featured {
  border-color: rgba(56, 189, 248, 0.35);
  background: linear-gradient(160deg, var(--surface), var(--bg-elevated));
}

.partner-note {
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
  margin-top: 2rem;
}

.brand-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  max-width: 52rem;
  margin: 0 auto;
}

.brand-tag {
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 600;
}

.brand-tag:hover {
  border-color: rgba(56, 189, 248, 0.45);
  color: var(--text);
}

@media (max-width: 900px) {
  .hero-grid,
  .about-grid,
  .contact-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .cards,
  .cards.cols-2 {
    grid-template-columns: 1fr;
  }

  .steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .ref-grid,
  .quote-grid,
  .partner-grid,
  .toner-gallery {
    grid-template-columns: repeat(2, 1fr);
  }

  .toner-showcase {
    min-height: 180px;
    padding: 1rem 0.25rem 0.5rem;
  }

  .toner-float:not(:first-child) {
    margin-left: -1rem;
  }

  .nav-desktop {
    display: none;
  }

  .menu-toggle {
    display: grid;
    place-items: center;
  }
}

@media (max-width: 520px) {
  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
  }

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

  .stat-row {
    grid-template-columns: 1fr;
  }
}