/* ===========================
   NARIN TRİKO — LANDING PAGE
   =========================== */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #ffffff;
  --text-primary: #1a1a1a;
  --text-secondary: #666666;
  --accent: #c4a882;
  --font-display: 'Plus Jakarta Sans', -apple-system, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, sans-serif;
  --panel-bg: rgba(255, 255, 255, 0.93);
}

html { scroll-behavior: auto; overflow-x: hidden; }
body { background: var(--bg); color: var(--text-primary); font-family: var(--font-body); overflow-x: hidden; max-width: 100vw; }

/* === LOADER === */
#loader {
  position: fixed; inset: 0; background: var(--bg); z-index: 9999;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 32px;
}
.loader-brand { font-family: var(--font-display); font-size: 1.8rem; font-weight: 500; letter-spacing: 0.12em; }
.loader-bar-wrap { width: 260px; height: 1px; background: #e5e0d8; overflow: hidden; }
#loader-bar { height: 100%; width: 0%; background: var(--accent); transition: width 0.1s linear; }
#loader-percent { font-size: 0.72rem; font-weight: 300; letter-spacing: 0.18em; color: var(--text-secondary); }

/* === HEADER === */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 500;
  padding: 20px 48px; transition: background 0.4s ease, border-color 0.4s ease;
}
.site-header.scrolled {
  background: rgba(255,255,255,0.92); backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(196,168,130,0.18);
}
nav { display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.nav-logo { display: flex; align-items: center; }
.nav-logo-img { height: 44px; width: auto; object-fit: contain; display: block; }
.nav-links { list-style: none; display: flex; gap: 40px; align-items: center; }
.lang-toggle {
  background: none; border: 1px solid rgba(196,168,130,0.5); cursor: pointer;
  font-family: var(--font-body); font-size: 0.68rem; font-weight: 500;
  letter-spacing: 0.16em; color: var(--text-primary); padding: 6px 14px;
  transition: background 0.3s, color 0.3s, border-color 0.3s; flex-shrink: 0;
}
.lang-toggle:hover { background: var(--accent); color: #fff; border-color: var(--accent); }
.nav-links a {
  text-decoration: none; font-size: 0.75rem; font-weight: 400;
  letter-spacing: 0.14em; color: var(--text-primary); text-transform: uppercase; transition: color 0.3s;
}
.nav-links a:hover { color: var(--accent); }
.nav-links .nav-cta {
  padding: 9px 22px; border: 1px solid var(--text-primary);
  transition: background 0.3s, color 0.3s;
}
.nav-links .nav-cta:hover { background: var(--text-primary); color: #fff; }

/* === CANVAS === */
.canvas-wrap { position: fixed; inset: 0; z-index: 1; pointer-events: none; opacity: 0; }
canvas { width: 100%; height: 100%; display: block; }

/* === HERO OVERLAY === */
#hero-overlay {
  position: fixed; inset: 0; z-index: 5; overflow: hidden;
  display: flex; flex-direction: column; align-items: flex-start; justify-content: center;
  padding: 0 8vw; pointer-events: none; opacity: 0;
}
.hero-overlay-inner {
  max-width: 440px; background: rgba(255,255,255,0.76);
  padding: 32px 36px; border-left: 2px solid var(--accent);
  border-radius: 10px; backdrop-filter: blur(12px);
  box-shadow: 0 4px 32px rgba(0,0,0,0.06);
}
.hero-overlay-label {
  display: block; font-size: 0.68rem; font-weight: 400;
  letter-spacing: 0.24em; text-transform: uppercase; color: var(--accent);
  margin-bottom: 24px; opacity: 0;
}
.hero-overlay-heading {
  font-family: var(--font-display); font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 700; line-height: 1.05; letter-spacing: -0.01em;
  color: var(--text-primary); margin-bottom: 20px;
}
.hero-overlay-heading .word { display: block; transform: translateY(110px); opacity: 0; }
.hero-overlay-tagline {
  font-family: var(--font-display); font-size: clamp(0.85rem, 1.3vw, 1.1rem);
  font-weight: 400; color: var(--text-secondary);
  letter-spacing: 0.03em; opacity: 0;
}
.scroll-indicator {
  position: absolute; bottom: 40px; left: 8vw;
  display: flex; flex-direction: column; align-items: flex-start; gap: 10px; opacity: 0;
}
.scroll-label { font-size: 0.65rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--text-primary); }
.scroll-arrow { color: var(--accent); animation: bounce 2s ease-in-out infinite; }
@keyframes bounce { 0%,100% { transform: translateY(0); } 50% { transform: translateY(6px); } }

/* === SCROLL CONTAINER — gesture-driven, no scroll height needed === */
#scroll-container { position: relative; height: 0; }

/* === FIXED SCROLL SECTIONS === */
.scroll-section {
  position: fixed; top: 0; left: 0; width: 100%; height: 100vh;
  display: flex; align-items: center; pointer-events: none; opacity: 0; z-index: 10;
}
.align-left  { padding-left: 5vw;   padding-right: 55vw; }
.align-right { padding-left: 55vw;  padding-right: 5vw; }
.align-left  .section-inner,
.align-right .section-inner { max-width: 38vw; width: 100%; }

.section-inner {
  background: rgba(255,255,255,0.80); padding: 28px 32px;
  border-left: 2px solid var(--accent); border-radius: 10px;
  backdrop-filter: blur(14px); box-shadow: 0 4px 24px rgba(0,0,0,0.07);
}
.section-label {
  display: block; font-size: 0.66rem; font-weight: 400;
  letter-spacing: 0.24em; text-transform: uppercase; color: var(--accent); margin-bottom: 20px;
}
.section-heading {
  font-family: var(--font-display); font-size: clamp(2.6rem, 4.8vw, 5.5rem);
  font-weight: 600; line-height: 1.0; color: var(--text-primary);
  margin-bottom: 20px; letter-spacing: -0.01em;
}
.section-body {
  font-size: 0.86rem; font-weight: 300; line-height: 1.78;
  color: var(--text-secondary); margin-bottom: 20px;
}
.section-note {
  display: inline-block; font-size: 0.65rem; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--accent);
  padding-top: 16px; border-top: 1px solid rgba(196,168,130,0.3);
}

/* ============================================
   BELOW FOLD — normal page (white bg, z:20)
   Covers canvas as user scrolls into it
   ============================================ */
#below-fold {
  position: relative; z-index: 20; background: var(--bg);
  margin-top: 100vh; /* canvas phase takes full viewport; below-fold starts after */
}

/* --- Shared container --- */
.bf-container {
  max-width: 1200px; margin: 0 auto; padding: 0 64px;
}

/* --- Meet Narin Triko --- */
.bf-intro-section {
  padding: 120px 0 100px;
  border-top: 1px solid #f0ece6;
}
.bf-intro-inner {
  display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center;
}
.bf-intro-eyebrow { margin-bottom: 24px; }
.bf-intro-heading {
  font-family: var(--font-display); font-size: clamp(3rem, 5vw, 6rem);
  font-weight: 700; line-height: 0.95; letter-spacing: -0.02em;
  color: var(--text-primary); margin-bottom: 32px;
}
.bf-intro-body {
  font-size: 0.92rem; font-weight: 300; line-height: 1.85;
  color: var(--text-secondary); margin-bottom: 20px;
}
.bf-intro-tags {
  display: flex; flex-wrap: wrap; gap: 10px; margin-top: 36px;
}
.bf-intro-tag {
  font-size: 0.68rem; font-weight: 400; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--text-primary);
  border: 1px solid rgba(196,168,130,0.5); padding: 8px 18px;
}
.bf-intro-image-wrap {
  aspect-ratio: 4 / 5; overflow: hidden; background: #f0ece6;
}
.bf-intro-image-wrap img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  transition: transform 0.8s ease;
}
.bf-intro-image-wrap:hover img { transform: scale(1.03); }

/* --- Sürdürülebilirlik — Kinetic Typography Redesign --- */
.bf-sustain-section {
  background: #0d0c0a;
  overflow: hidden;
  position: relative;
}

/* Top bar */
.bf-sustain-topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 88px 0 40px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.bf-sustain-since {
  font-size: 0.64rem; letter-spacing: 0.24em; text-transform: uppercase;
  color: rgba(255,255,255,0.18);
}

/* Kinetic typography block */
.bf-sustain-kinetic-wrap {
  padding: 8px 0;
  overflow: hidden;
}

.bf-sk-overflow {
  overflow: hidden; /* mask — text slides up from below */
  line-height: 1;
  padding-top: 0.14em; /* room for Ğ İ diacritics above cap-height */
  margin-top: -0.14em;
}

.bf-sk-line {
  display: block;
  font-size: clamp(5rem, 12vw, 14rem);
  font-weight: 800;
  letter-spacing: -0.055em;
  line-height: 0.88;
  padding: 2px 64px;
}

/* Line 1: ghost text — fades in from left */
.bf-sk-line--ghost {
  color: rgba(240,237,232,0.1);
}

/* Line 2: stroke/outline — right-aligned */
.bf-sk-line--stroke {
  -webkit-text-stroke: 1.5px rgba(240,237,232,0.28);
  color: transparent;
  text-align: right;
}

/* Line 3: accent — the impact word */
.bf-sk-line--accent {
  color: var(--accent);
}

/* Body grid: lead text + pillars */
.bf-sustain-body-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 80px; padding: 72px 0 100px;
  border-top: 1px solid rgba(255,255,255,0.07);
  margin-top: 40px;
}

.bf-sustain-lead {
  font-size: 1.02rem; font-weight: 400; line-height: 1.84;
  color: rgba(240,237,232,0.82); margin-bottom: 24px;
}

.bf-sustain-sub {
  font-size: 0.88rem; font-weight: 400; line-height: 1.9;
  color: rgba(240,237,232,0.35);
}

/* Horizontal pillars list */
.bf-sustain-pillars-h {
  display: flex; flex-direction: column;
  border-top: 1px solid rgba(255,255,255,0.07);
  align-self: center;
}

.bf-sustain-pillar-h {
  display: flex; align-items: center; gap: 22px;
  padding: 22px 0; border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: padding-left 0.3s ease; cursor: default;
}

.bf-sustain-pillar-h:hover { padding-left: 12px; }

.bf-sph-num {
  font-size: 0.58rem; font-weight: 700; letter-spacing: 0.22em;
  color: var(--accent); flex-shrink: 0; width: 26px;
}

.bf-sph-text {
  font-size: 0.88rem; font-weight: 400; line-height: 1.5;
  color: rgba(240,237,232,0.42); transition: color 0.3s;
}

.bf-sustain-pillar-h:hover .bf-sph-text { color: rgba(240,237,232,0.82); }

/* Cert strip */
.bf-sustain-certs-bar {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 0;
}

.bf-certs-eyebrow {
  font-size: 0.64rem; font-weight: 500; letter-spacing: 0.28em;
  text-transform: uppercase; color: rgba(255,255,255,0.22);
  margin-bottom: 0; padding: 52px 64px 40px;
}

.bf-cert-strip {
  overflow: hidden;
  display: flex;
  border-top: 1px solid rgba(255,255,255,0.06);
  user-select: none;
}

.bf-cert-track {
  display: flex;
  flex-shrink: 0;
  gap: 0;
  animation: certScroll 28s linear infinite;
}

.bf-cert-strip:hover .bf-cert-track { animation-play-state: paused; }

@keyframes certScroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

.bf-cert-item {
  background: #0d0c0a; padding: 32px 24px;
  display: flex; flex-direction: column; align-items: center; gap: 14px;
  transition: background 0.3s ease; cursor: default;
  flex-shrink: 0; width: 160px;
}

.bf-cert-item:hover { background: rgba(196,168,130,0.08); }

.bf-cert-logo-wrap {
  width: 112px; height: 72px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,0.94);
  border-radius: 4px;
  overflow: hidden;
  transition: background 0.3s ease;
}

.bf-cert-logo-wrap img {
  width: 100%; height: 100%;
  object-fit: contain;
  object-position: center;
  padding: 8px;
}

.bf-cert-item:hover .bf-cert-logo-wrap { background: #fff; }

.bf-cert-name {
  font-size: 0.56rem; font-weight: 600; letter-spacing: 0.22em;
  text-transform: uppercase; color: rgba(255,255,255,0.22);
  transition: color 0.3s;
}

.bf-cert-item:hover .bf-cert-name { color: var(--accent); }


.bf-eyebrow {
  display: block; font-size: 0.68rem; font-weight: 400;
  letter-spacing: 0.26em; text-transform: uppercase; color: var(--accent);
  margin-bottom: 20px;
}

/* === IMAGE PLACEHOLDER === */
.img-placeholder {
  background: linear-gradient(145deg, #f5f1ec 0%, #ede8e0 100%);
  border: 1.5px dashed #cec6bb;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 14px; color: #a8998a;
  font-size: 0.66rem; font-weight: 500;
  letter-spacing: 0.2em; text-transform: uppercase;
  cursor: pointer; transition: border-color 0.3s, background 0.3s;
  position: relative;
}
.img-placeholder:hover { border-color: var(--accent); background: rgba(196,168,130,0.06); }
.img-placeholder svg { width: 36px; height: 36px; color: #c9bfb4; }
.img-placeholder--tall { min-height: 380px; }
.img-placeholder--short { min-height: 180px; margin-top: 16px; }
.img-placeholder--map { min-height: 120px; margin-top: 28px; border-color: rgba(255,255,255,0.2); background: rgba(255,255,255,0.04); color: rgba(255,255,255,0.35); }
.img-placeholder--map svg { color: rgba(255,255,255,0.3); }
.img-placeholder--map:hover { border-color: var(--accent); background: rgba(196,168,130,0.08); }

/* --- Gallery strip --- */
.bf-gallery-section { overflow: hidden; }
.bf-gallery-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); height: 340px;
}
.bf-gallery-item {
  border-radius: 0; border: none; border-right: 1px solid #ddd8d0;
  font-size: 0.7rem; letter-spacing: 0.18em; height: 100%;
}
.bf-gallery-item:last-child { border-right: none; }
.bf-gallery-item svg { width: 28px; height: 28px; }

/* --- Product Categories --- */
.bf-products-section { padding: 120px 0; background: #faf8f5; }
.bf-products-inner {
  display: grid; grid-template-columns: 1fr 380px; gap: 64px; align-items: start;
}
.bf-products-header { margin-bottom: 48px; }
.bf-products-lead {
  font-size: 0.88rem; font-weight: 400; line-height: 1.8;
  color: var(--text-secondary); margin-top: 20px; max-width: 420px;
}
.bf-products-right { position: sticky; top: 100px; }
.bf-products-list { border-top: 1px solid #e0dbd2; }
.bf-product-item {
  display: grid; grid-template-columns: 64px 1fr auto 32px;
  align-items: center; gap: 32px;
  padding: 26px 0; border-bottom: 1px solid #e0dbd2;
  transition: padding-left 0.3s ease, padding-right 0.3s ease, background 0.3s ease;
  cursor: default;
}
.bf-product-item:hover { padding-left: 20px; background: rgba(196,168,130,0.04); }
.bf-product-num {
  font-size: 0.68rem; font-weight: 600; letter-spacing: 0.2em; color: var(--accent);
}
.bf-product-name {
  font-size: clamp(1.7rem, 3.2vw, 2.8rem); font-weight: 700;
  letter-spacing: -0.03em; color: var(--text-primary);
  transition: color 0.3s;
}
.bf-product-item:hover .bf-product-name { color: var(--accent); }
.bf-product-cats {
  font-size: 0.68rem; font-weight: 400; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--text-secondary);
}
.bf-product-arrow {
  font-size: 1.1rem; color: var(--accent);
  opacity: 0; transform: translateX(-10px);
  transition: opacity 0.3s, transform 0.3s;
}
.bf-product-item:hover .bf-product-arrow { opacity: 1; transform: translateX(0); }

/* --- Differentiators --- */
.bf-diff-section { padding: 120px 0; background: var(--bg); }
.bf-diff-inner {
  display: grid; grid-template-columns: 1fr 420px; gap: 80px; align-items: start;
}
.bf-diff-visual { position: sticky; top: 100px; }
.bf-diff-items { margin-top: 56px; }
.bf-diff-item {
  display: grid; grid-template-columns: 52px 1fr; gap: 20px;
  padding: 28px 0; border-bottom: 1px solid #e8e3db; align-items: start;
  transition: background 0.2s;
}
.bf-diff-item:first-child { border-top: 1px solid #e8e3db; }
.bf-diff-num {
  font-size: 0.68rem; font-weight: 600; letter-spacing: 0.2em; color: var(--accent);
  padding-top: 3px;
}
.bf-diff-title {
  font-size: 1.05rem; font-weight: 700; color: var(--text-primary);
  margin-bottom: 8px; letter-spacing: -0.01em;
}
.bf-diff-desc {
  font-size: 0.84rem; font-weight: 400; line-height: 1.75; color: var(--text-secondary);
}

/* --- Heritage / Aile Mirası --- */
.bf-heritage-section { padding: 120px 0; background: var(--bg); overflow: hidden; }
.bf-heritage-inner {
  display: grid; grid-template-columns: 260px 1fr; gap: 96px; align-items: start;
}
.bf-heritage-left { position: sticky; top: 100px; }
.bf-heritage-gen {
  font-size: clamp(7rem, 18vw, 18rem); font-weight: 700; line-height: 0.8;
  color: var(--text-primary); letter-spacing: -0.06em; opacity: 0.06;
  user-select: none;
}
.bf-heritage-gen-label {
  display: block; font-size: 1rem; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent);
  margin-top: 12px;
}
.bf-heritage-facts {
  display: flex; gap: 40px; margin-top: 48px; padding-top: 40px;
  border-top: 1px solid #e8e3db; flex-wrap: wrap;
}
.bf-heritage-fact { display: flex; flex-direction: column; gap: 6px; }
.bf-heritage-fact strong {
  font-size: 1.3rem; font-weight: 700; color: var(--text-primary);
  letter-spacing: -0.02em;
}
.bf-heritage-fact span {
  font-size: 0.66rem; font-weight: 500; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--text-secondary);
}

/* --- Process section --- */
.bf-process-section { padding: 120px 0; background: #faf8f5; }
.bf-process-header { margin-bottom: 72px; }
.bf-process-steps {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 0;
}
.bf-process-step {
  padding: 0 28px 0 0; position: relative;
}
.bf-process-step + .bf-process-step { padding-left: 28px; border-left: 1px solid #e8e3db; }
.bf-process-num {
  display: block; font-family: var(--font-display); font-size: 2.4rem;
  font-weight: 600; color: var(--accent); line-height: 1; margin-bottom: 16px;
}
.bf-process-bar {
  width: 32px; height: 2px; background: var(--accent); margin-bottom: 20px;
}
.bf-process-title {
  font-family: var(--font-display); font-size: 1.3rem; font-weight: 400;
  color: var(--text-primary); margin-bottom: 12px; line-height: 1.2;
}
.bf-process-desc {
  font-size: 0.82rem; font-weight: 300; line-height: 1.75; color: var(--text-secondary);
}

/* --- Global Network section --- */
.bf-global-section { background: var(--text-primary); padding: 120px 0; }
.bf-global-inner {
  display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center;
}
.bf-eyebrow-light {
  color: var(--accent) !important;
}
.bf-global-heading {
  font-family: var(--font-display); font-size: clamp(5rem, 10vw, 11rem);
  font-weight: 700; line-height: 0.88; letter-spacing: -0.03em;
  color: #fff; margin: 16px 0 28px;
}
.bf-global-body {
  font-size: 0.92rem; font-weight: 300; line-height: 1.85;
  color: rgba(255,255,255,0.55); max-width: 420px;
}
.bf-regions-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1px;
  background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.08);
}
.bf-region {
  background: var(--text-primary); padding: 28px 32px;
  font-size: 0.72rem; font-weight: 400; letter-spacing: 0.2em;
  text-transform: uppercase; color: rgba(255,255,255,0.5);
  transition: background 0.3s ease, color 0.3s ease;
}
.bf-region:hover { background: rgba(196,168,130,0.12); color: var(--accent); }
.bf-region--accent {
  background: rgba(196,168,130,0.12); color: var(--accent);
  font-size: 1.2rem; font-weight: 700;
  letter-spacing: -0.01em; display: flex; flex-direction: column;
  align-items: flex-start; justify-content: center; gap: 4px;
}
.bf-region--accent span { font-size: 0.62rem; letter-spacing: 0.16em; font-weight: 400; color: rgba(196,168,130,0.65); text-transform: uppercase; }

/* --- Stats section --- */
.bf-stats-section {
  padding: 120px 0 100px;
  border-top: 1px solid #f0ece6;
}
.bf-section-header { margin-bottom: 80px; }
.bf-heading {
  font-family: var(--font-body); font-size: clamp(3.2rem, 5.5vw, 6.5rem);
  font-weight: 700; line-height: 1.25; letter-spacing: -0.04em; color: var(--text-primary);
}
.bf-stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid #e8e3db;
}
.bf-stat {
  padding: 44px 32px 44px 0; border-bottom: 1px solid #e8e3db;
  display: flex; flex-direction: column; gap: 10px;
}
.bf-stat + .bf-stat { border-left: 1px solid #e8e3db; padding-left: 32px; }
.bf-stat-row { display: flex; align-items: baseline; gap: 4px; }
.bf-stat-num {
  font-family: var(--font-body); font-size: clamp(3.5rem, 7vw, 7.5rem);
  font-weight: 700; line-height: 1; letter-spacing: -0.04em; color: var(--text-primary);
}
.bf-stat-suffix {
  font-family: var(--font-body); font-size: clamp(2rem, 3.5vw, 3.8rem);
  font-weight: 600; color: var(--accent); line-height: 1;
}
.bf-stat-label {
  font-size: 0.7rem; font-weight: 400; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--text-secondary);
}

/* --- Features section --- */
.bf-features-section { padding: 100px 0; background: #faf8f5; }
.bf-features-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 0;
}
.bf-feature { padding: 52px 48px; border-right: 1px solid #e8e3db; }
.bf-feature:last-child { border-right: none; }
.bf-feature-num {
  display: block; font-family: var(--font-display); font-size: 2.6rem;
  font-weight: 600; color: var(--accent); margin-bottom: 20px; line-height: 1;
}
.bf-feature-title {
  font-family: var(--font-display); font-size: clamp(1.4rem, 2vw, 2rem);
  font-weight: 400; color: var(--text-primary); margin-bottom: 16px; line-height: 1.2;
}
.bf-feature-body {
  font-size: 0.86rem; font-weight: 300; line-height: 1.78; color: var(--text-secondary);
}

/* --- CTA section --- */
.bf-cta-section {
  padding: 120px 0; border-top: 1px solid #e8e3db;
}
.bf-cta-inner {
  display: flex; align-items: flex-start; justify-content: space-between; gap: 80px;
}
.bf-cta-text { flex: 1; }
.bf-cta-heading {
  font-family: var(--font-display); font-size: clamp(2.6rem, 5vw, 5.5rem);
  font-weight: 700; line-height: 1.0; letter-spacing: -0.02em;
  color: var(--text-primary); margin-bottom: 24px; margin-top: 16px;
}
.bf-cta-body {
  font-size: 0.9rem; font-weight: 300; line-height: 1.78;
  color: var(--text-secondary); max-width: 440px;
}
.bf-cta-actions {
  flex-shrink: 0; display: flex; flex-direction: column;
  align-items: flex-start; justify-content: center; gap: 24px;
}
.btn-primary {
  display: inline-block; text-decoration: none; font-size: 0.72rem;
  font-weight: 500; letter-spacing: 0.22em; text-transform: uppercase;
  color: #fff; background: var(--text-primary); padding: 16px 42px;
  transition: background 0.3s, transform 0.3s;
}
.btn-primary:hover { background: var(--accent); transform: translateY(-2px); }
.bf-contact-info {
  display: flex; gap: 12px; align-items: center;
  font-size: 0.72rem; color: var(--text-secondary); letter-spacing: 0.05em;
}
.dot { opacity: 0.4; }

/* --- Footer --- */
.bf-footer {
  padding: 48px 0; background: var(--text-primary);
}
.bf-footer-inner {
  display: flex; align-items: center; justify-content: space-between;
}
.footer-logo-img { height: 36px; width: auto; filter: brightness(0) invert(1); }
.footer-certifications {
  display: flex; gap: 12px; align-items: center;
  font-size: 0.68rem; letter-spacing: 0.18em; text-transform: uppercase; color: rgba(255,255,255,0.5);
}
.footer-copy { font-size: 0.68rem; color: rgba(255,255,255,0.35); letter-spacing: 0.04em; }

/* ===========================
   HAMBURGER & MOBILE MENU
   =========================== */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  z-index: 1002;
  color: var(--text-primary);
}

.hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: currentColor;
  transition: transform 0.35s ease, opacity 0.2s ease;
}

.hamburger.is-open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.hamburger.is-open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.is-open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: #faf8f5;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px 36px 60px;
  transform: translateX(100%);
  transition: transform 0.45s cubic-bezier(0.76, 0, 0.24, 1);
  pointer-events: none;
}

.mobile-menu.is-open {
  transform: translateX(0);
  pointer-events: all;
}

.mobile-menu-links {
  list-style: none;
  display: flex;
  flex-direction: column;
}

.mobile-menu-links li {
  border-bottom: 1px solid #e8e3db;
  overflow: hidden;
}

.mobile-menu-links li:first-child { border-top: 1px solid #e8e3db; }

.mobile-menu-links a {
  display: block;
  font-size: clamp(2rem, 9vw, 3.2rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  text-decoration: none;
  padding: 18px 0;
  transition: color 0.25s, padding-left 0.25s;
}

.mobile-menu-links a:hover,
.mobile-menu-links a.is-active { color: var(--accent); padding-left: 10px; }

.mobile-menu-close {
  position: absolute; top: 24px; right: 24px;
  background: none; border: none; cursor: pointer;
  color: var(--text-primary); padding: 8px;
  line-height: 0; transition: opacity 0.2s;
}
.mobile-menu-close:hover { opacity: 0.5; }

.mobile-menu-footer {
  position: absolute;
  bottom: 40px;
  left: 36px;
  right: 36px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid #e8e3db;
  padding-top: 24px;
}

.mobile-menu-contact {
  font-size: 0.7rem;
  color: var(--text-secondary);
  letter-spacing: 0.08em;
}

.mobile-menu-lang {
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-primary);
  border: 1px solid #e0dbd2;
  padding: 8px 18px;
  background: none;
  cursor: pointer;
  font-family: var(--font-body);
  transition: background 0.25s, color 0.25s;
}

.mobile-menu-lang:hover { background: var(--text-primary); color: #fff; }

/* === RESPONSIVE === */
@media (max-width: 1100px) {
  .bf-intro-inner { grid-template-columns: 1fr; gap: 48px; }
  .bf-intro-visual { order: -1; }
  .bf-products-inner { grid-template-columns: 1fr; }
  .bf-products-right { position: static; display: none; }
  .bf-diff-inner { grid-template-columns: 1fr; }
  .bf-diff-visual { position: static; display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
  .bf-heritage-inner { grid-template-columns: 1fr; gap: 40px; }
  .bf-heritage-left { position: static; }
  .bf-process-steps { grid-template-columns: repeat(3, 1fr); }
  .bf-process-steps .bf-process-step:nth-child(4),
  .bf-process-steps .bf-process-step:nth-child(5) { margin-top: 40px; }
  .bf-global-inner { grid-template-columns: 1fr; gap: 48px; }
  .bf-sustain-body-grid { grid-template-columns: 1fr; gap: 48px; }
  .bf-stats-grid { grid-template-columns: repeat(2, 1fr); }
  .bf-features-grid { grid-template-columns: 1fr; }
  .bf-feature { border-right: none; border-bottom: 1px solid #e8e3db; }
  .bf-feature:last-child { border-bottom: none; }
  .bf-cta-inner { flex-direction: column; gap: 48px; }
}
@media (max-width: 768px) {
  .site-header { padding: 16px 20px; }
  .nav-links { display: none; }
  .lang-toggle { display: none; }
  .hamburger { display: flex; }
  .bf-container { padding: 0 20px; }
  .align-left, .align-right { padding: 5vw; align-items: flex-end; }
  .align-left .section-inner, .align-right .section-inner { max-width: 92vw; }
  .hero-overlay-inner { max-width: 88vw; padding: 24px 22px; }
  .hero-overlay-heading { font-size: clamp(3rem, 16vw, 5rem); }
  .bf-product-item { grid-template-columns: 48px 1fr 32px; gap: 16px; }
  .bf-product-cats { display: none; }
  .bf-gallery-grid { grid-template-columns: repeat(2, 1fr); height: auto; }
  .bf-gallery-item { height: 200px; border-right: none; border-bottom: 1px solid #ddd8d0; }
  .bf-diff-visual { grid-template-columns: 1fr; }
  .bf-diff-visual .img-placeholder--short { display: none; }
  /* Process — tek sütun, tüm adımlar eşit padding */
  .bf-process-steps { grid-template-columns: 1fr; gap: 0; }
  .bf-process-step { padding: 28px 0; border-left: none; border-bottom: 1px solid #e0dbd2; }
  .bf-process-step + .bf-process-step { padding-left: 0; border-left: none; }
  .bf-process-step:last-child { border-bottom: none; }
  /* Stats — 2 sütun, taşma yok */
  .bf-stats-section { overflow: hidden; }
  .bf-stats-grid { grid-template-columns: repeat(2, 1fr); overflow: hidden; }
  .bf-stat { padding: 28px 12px; border-left: none; }
  .bf-stat + .bf-stat { border-left: none; padding-left: 12px; }
  .bf-stats-grid .bf-stat:nth-child(even) { border-left: 1px solid #e8e3db; }
  .bf-stat-num { font-size: clamp(2.4rem, 10vw, 3.8rem); }
  .bf-stat-suffix { font-size: clamp(1.4rem, 5vw, 2rem); }
  /* Cert strip — marquee mobilde de akar */
  .bf-cert-item { width: 130px; padding: 32px 20px; }
  .bf-certs-eyebrow { padding: 32px 20px 24px; }
  .bf-sustain-topbar { flex-direction: column; align-items: flex-start; gap: 8px; padding: 56px 0 28px; }
  .bf-sk-line { padding: 2px 20px; font-size: clamp(2.8rem, 10.5vw, 6rem); }
  .bf-sustain-kinetic-wrap { overflow: hidden; max-width: 100%; }
  .bf-footer-inner { flex-direction: column; gap: 20px; text-align: center; }
  .bf-intro-content, .bf-intro-visual { padding: 0; }
  .bf-heritage-gen { font-size: clamp(5rem, 20vw, 9rem); }
  .bf-cta-inner { flex-direction: column; gap: 36px; }
  .bf-cta-heading { font-size: clamp(2rem, 9vw, 3.5rem); }
  .bf-heading { font-size: clamp(2.2rem, 9vw, 3.8rem); }
  .bf-intro-heading { font-size: clamp(2rem, 9vw, 3.2rem); }
  .scroll-indicator { position: absolute; bottom: calc(env(safe-area-inset-bottom, 0px) + 32px); left: 8vw; }
}