/* Karton Bardak Sanayi — design system */
:root {
  --ink: #1c1917;
  --ink-soft: #44403c;
  --paper: #f7f3ec;
  --paper-deep: #ebe4d8;
  --kraft: #c4a484;
  --amber: #c27a2e;
  --amber-hover: #a66522;
  --cream: #f5e6d3;
  --white: #fffcf7;
  --line: rgba(28, 25, 23, 0.12);
  --shadow: 0 24px 48px rgba(28, 25, 23, 0.12);
  --font-display: "Fraunces", "Georgia", serif;
  --font-body: "Source Sans 3", "Segoe UI", sans-serif;
  --max: 1120px;
  --header-h: 72px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink);
  background:
    radial-gradient(ellipse 80% 50% at 10% -10%, rgba(196, 164, 132, 0.18), transparent 55%),
    radial-gradient(ellipse 60% 40% at 100% 0%, rgba(194, 122, 46, 0.08), transparent 45%),
    var(--paper);
  min-height: 100vh;
}

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

a {
  color: var(--amber);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--amber-hover);
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 550;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 0.6em;
}

h1 { font-size: clamp(2.4rem, 5vw, 3.75rem); }
h2 { font-size: clamp(1.85rem, 3.5vw, 2.6rem); }
h3 { font-size: 1.35rem; }

p { margin: 0 0 1em; color: var(--ink-soft); }

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

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: rgba(247, 243, 236, 0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  text-decoration: none;
  color: var(--ink);
}

.brand:hover { color: var(--ink); }

.brand-name {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.brand-tag {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--kraft);
}

.nav {
  display: flex;
  align-items: center;
  gap: 0.15rem 1.25rem;
  flex-wrap: wrap;
}

.nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s var(--ease);
}

.nav a:hover,
.nav a[aria-current="page"] {
  color: var(--ink);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  padding: 0.55rem 1rem;
  background: var(--ink);
  color: var(--white) !important;
  border-radius: 2px;
  font-size: 0.9rem !important;
}

.nav-cta:hover {
  background: var(--amber);
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line);
  padding: 0.45rem 0.65rem;
  font: inherit;
  cursor: pointer;
  color: var(--ink);
}

@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .nav {
    display: none;
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    padding: 1rem 1.25rem 1.5rem;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    gap: 0.75rem;
  }
  .nav.is-open { display: flex; }
}

/* Hero — full-bleed visual plane */
.hero {
  position: relative;
  min-height: min(92vh, 780px);
  display: grid;
  align-items: end;
  color: var(--white);
  overflow: hidden;
}

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

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  animation: heroZoom 18s var(--ease) both;
}

@keyframes heroZoom {
  from { transform: scale(1.08); }
  to { transform: scale(1); }
}

.hero-scrim {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(28, 25, 23, 0.35) 0%, rgba(28, 25, 23, 0.55) 40%, rgba(28, 25, 23, 0.88) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 4rem 0 3.5rem;
  max-width: 36rem;
  animation: riseIn 0.9s var(--ease) both;
}

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

.hero h1 {
  color: var(--white);
  margin-bottom: 0.75rem;
}

.hero p {
  color: rgba(255, 252, 247, 0.88);
  font-size: 1.15rem;
  max-width: 32rem;
}

.brand-hero {
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--cream);
  letter-spacing: 0.04em;
  margin-bottom: 0.85rem;
  display: block;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.85rem 1.35rem;
  font-family: var(--font-body);
  font-size: 0.98rem;
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
  border-radius: 2px;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), transform 0.2s var(--ease);
}

.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--amber);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--amber-hover);
  color: var(--white);
}

.btn-ghost {
  background: transparent;
  color: var(--white);
  outline: 1px solid rgba(255, 252, 247, 0.55);
}

.btn-ghost:hover {
  background: rgba(255, 252, 247, 0.12);
  color: var(--white);
}

.btn-dark {
  background: var(--ink);
  color: var(--white);
}

.btn-dark:hover {
  background: var(--amber);
  color: var(--white);
}

.btn-outline {
  background: transparent;
  color: var(--ink);
  outline: 1px solid var(--ink);
}

.btn-outline:hover {
  background: var(--ink);
  color: var(--white);
}

/* Sections */
.section {
  padding: 4.5rem 0;
}

.section-tight { padding: 3rem 0; }

.section-head {
  max-width: 36rem;
  margin-bottom: 2.5rem;
  animation: riseIn 0.8s var(--ease) both;
}

.section-head p { margin-bottom: 0; }

.eyebrow {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--amber);
  margin-bottom: 0.65rem;
}

/* Service strips — not cards, horizontal bands */
.service-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.service-item {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 2rem;
  align-items: center;
  padding: 2.25rem 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  color: inherit;
  transition: background 0.25s var(--ease);
}

.service-item:hover {
  background: rgba(196, 164, 132, 0.08);
}

.service-item:nth-child(even) {
  direction: rtl;
}

.service-item:nth-child(even) > * {
  direction: ltr;
}

.service-item img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  filter: saturate(0.92);
}

.service-item h3 {
  color: var(--ink);
  margin-bottom: 0.4rem;
}

.service-item p {
  margin-bottom: 0.75rem;
}

.service-link {
  font-weight: 600;
  color: var(--amber);
  font-size: 0.95rem;
}

@media (max-width: 720px) {
  .service-item,
  .service-item:nth-child(even) {
    grid-template-columns: 1fr;
    direction: ltr;
  }
}

/* Page hero (inner pages) */
.page-hero {
  padding: 3.5rem 0 2.5rem;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(196, 164, 132, 0.15), transparent 55%),
    var(--paper-deep);
}

.page-hero h1 { margin-bottom: 0.5rem; }
.page-hero p { max-width: 36rem; margin-bottom: 0; }

/* Split layout */
.split {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 3rem;
  align-items: center;
}

.split img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

@media (max-width: 800px) {
  .split { grid-template-columns: 1fr; }
}

/* Product sizes */
.size-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
  margin: 2rem 0;
  list-style: none;
  padding: 0;
}

.size-list li {
  padding: 1.25rem 1rem;
  background: var(--white);
  border-bottom: 3px solid var(--kraft);
  text-align: center;
}

.size-list strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--ink);
  margin-bottom: 0.25rem;
}

.size-list span {
  font-size: 0.85rem;
  color: var(--ink-soft);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2rem 2.5rem;
  margin-top: 2rem;
}

.feature-grid h3 {
  margin-bottom: 0.35rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--line);
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 3rem;
  align-items: start;
}

@media (max-width: 800px) {
  .contact-grid { grid-template-columns: 1fr; }
}

.contact-meta {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem;
}

.contact-meta li {
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line);
}

.contact-meta strong {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--kraft);
  margin-bottom: 0.25rem;
}

.contact-meta a {
  color: var(--ink);
  text-decoration: none;
  font-weight: 560;
}

.contact-meta a:hover { color: var(--amber); }

.contact-line {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
}

.contact-ico {
  display: inline-flex;
  color: var(--amber);
  flex-shrink: 0;
}

.map-wrap {
  margin-top: 1.5rem;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--paper-deep);
}

.map-wrap iframe {
  width: 100%;
  height: 100%;
  border: 0;
  filter: grayscale(0.25) contrast(1.05);
}

.form {
  display: grid;
  gap: 1rem;
}

.form label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.9rem;
  font-weight: 560;
}

.form input,
.form textarea,
.form select {
  font: inherit;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--ink);
  border-radius: 2px;
}

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

.form textarea { min-height: 140px; resize: vertical; }

.hp-field {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  overflow: hidden;
}

.form-msg {
  padding: 0.85rem 1rem;
  margin-bottom: 1rem;
  font-size: 0.95rem;
}

.form-msg.ok {
  background: rgba(60, 120, 60, 0.12);
  color: #1e4d1e;
}

.form-msg.err {
  background: rgba(160, 40, 40, 0.1);
  color: #6b1c1c;
}

/* CTA band */
.cta-band {
  background: var(--ink);
  color: var(--white);
  padding: 3.5rem 0;
  text-align: center;
}

.cta-band h2 { color: var(--white); }
.cta-band p {
  color: rgba(255, 252, 247, 0.8);
  max-width: 32rem;
  margin: 0 auto 1.5rem;
}

.cta-band .cta-row {
  justify-content: center;
}

/* Footer */
.site-footer {
  padding: 2.5rem 0 5.5rem;
  border-top: 1px solid var(--line);
  background: var(--paper-deep);
  font-size: 0.92rem;
}

.footer-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
}

.site-footer a {
  color: var(--ink-soft);
  text-decoration: none;
}

.site-footer a:hover { color: var(--ink); }

.footer-copy {
  color: var(--ink-soft);
  font-size: 0.85rem;
  margin: 0;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

/* Sticky mobile / desktop action bar */
.float-bar {
  position: fixed;
  z-index: 90;
  bottom: 1rem;
  right: 1rem;
  display: flex;
  gap: 0.5rem;
}

.float-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.75rem 1.05rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  box-shadow: var(--shadow);
  transition: transform 0.2s var(--ease);
}

.float-btn:hover { transform: translateY(-2px); }

.float-wa {
  background: #25d366;
  color: #fff;
}

.float-wa:hover { color: #fff; }

.float-call {
  background: var(--ink);
  color: var(--white);
}

.float-call:hover { color: var(--white); }

@media (max-width: 560px) {
  .float-bar {
    left: 0.75rem;
    right: 0.75rem;
    bottom: 0.75rem;
  }
  .float-btn {
    flex: 1;
    justify-content: center;
  }
  .float-btn span.label { display: none; }
}

/* Prose for privacy etc. */
.prose {
  max-width: 42rem;
}

.prose h2 {
  font-size: 1.4rem;
  margin-top: 2rem;
}

.prose ul {
  padding-left: 1.2rem;
  color: var(--ink-soft);
}

/* Side-by-side product photos */
.photo-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
  align-items: stretch;
}

.photo-pair img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
}

@media (max-width: 520px) {
  .photo-pair {
    grid-template-columns: 1fr;
  }
}

/* Expert / social strip (Hakkımızda) */
.expert-strip {
  max-width: 36rem;
  padding: 2rem 0 0.5rem;
  border-top: 1px solid var(--line);
}

.expert-strip h2 {
  margin-bottom: 0.5rem;
}

.expert-strip p {
  margin-bottom: 1.25rem;
}

/* Reveal on scroll */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}