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

:root {
  --bg: #f5f4f0;
  --bg-alt: #ecebe5;
  --ink: #0f0f0e;
  --ink-soft: #2a2a27;
  --accent: #d64825;
  --accent-dark: #b83a1c;
  --steel: #4a90a4;
  --muted: #7a7770;
  --line: #d4d1c8;
}

::selection { background: var(--accent); color: #fff; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--ink);
  overflow-x: hidden;
  line-height: 1.5;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* ========== TOPBAR ========== */
.topbar {
  background: var(--ink);
  color: var(--bg);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}
.topbar-inner {
  display: flex; justify-content: space-between; align-items: center;
  padding: 0.7rem 2rem;
  max-width: 1400px;
}
.topbar-left { display: flex; align-items: center; gap: 0.7rem; }
.topbar-right { display: flex; align-items: center; gap: 0.8rem; }
.topbar-right a { color: var(--bg); text-decoration: none; transition: color 0.3s; }
.topbar-right a:hover { color: var(--accent); }
.dot {
  width: 7px; height: 7px;
  background: #4ade80; border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse { 50% { opacity: 0.4; } }

/* ========== HEADER ========== */
.header {
  border-bottom: 1px solid var(--line);
  background: var(--bg);
  position: sticky; top: 0; z-index: 90;
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.2rem 2rem;
  gap: 2rem;
}
.logo {
  display: flex; align-items: center; gap: 0.9rem;
  text-decoration: none;
  color: var(--ink);
}
.logo-mark {
  width: 44px; height: 44px;
  background: var(--ink);
  color: var(--bg);
  display: flex; align-items: center; justify-content: center;
  border-radius: 4px;
}
.logo-text { display: flex; flex-direction: column; line-height: 1.1; }
.logo-main {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 1px;
}
.logo-sub {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  color: var(--muted);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-top: 2px;
}

.nav { display: flex; gap: 2rem; }
.nav a {
  color: var(--ink);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.3s;
  position: relative;
}
.nav a::after {
  content: '';
  position: absolute; left: 0; bottom: -6px;
  width: 0; height: 2px;
  background: var(--accent);
  transition: width 0.3s;
}
.nav a:hover { color: var(--accent); }
.nav a:hover::after { width: 100%; }

/* ========== BUTTONS ========== */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.85rem 1.6rem;
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 2px;
  transition: all 0.3s;
  border: none;
  cursor: pointer;
  letter-spacing: 0.3px;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(214, 72, 37, 0.3);
}
.btn-outline {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--ink);
}
.btn-outline:hover { background: var(--ink); color: var(--bg); }
.btn-header { padding: 0.7rem 1.4rem; font-size: 0.85rem; }
.btn-full { width: 100%; justify-content: center; padding: 1.1rem; }
.btn-large { padding: 1.2rem 2.4rem; font-size: 1rem; }

/* ========== HERO ========== */
.hero {
  padding: 5rem 0 6rem;
  border-bottom: 1px solid var(--line);
  position: relative;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 5rem;
  align-items: center;
}
.hero-meta {
  display: flex; gap: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--line);
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}
.meta-item {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--muted);
  display: flex; align-items: center; gap: 0.5rem;
}
.meta-num { color: var(--accent); font-weight: 500; }

.hero-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2.8rem, 6vw, 5.5rem);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -2.5px;
  margin-bottom: 2rem;
}
.hero-title em { font-style: normal; color: var(--accent); }
.hero-desc {
  font-size: 1.1rem;
  color: var(--ink-soft);
  max-width: 520px;
  margin-bottom: 2.5rem;
  line-height: 1.6;
}
.hero-desc strong { color: var(--ink); }

.hero-buttons {
  display: flex; gap: 1rem;
  margin-bottom: 3.5rem;
  flex-wrap: wrap;
}

.hero-facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
}
.fact { display: flex; flex-direction: column; gap: 0.3rem; }
.fact strong {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: -0.5px;
}
.fact span {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  color: var(--muted);
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

.hero-right { position: relative; }
.hero-image {
  position: relative;
  aspect-ratio: 4/5;
  overflow: hidden;
  border-radius: 4px;
  background: var(--bg-alt);
}
.hero-image img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.hero-badge {
  position: absolute;
  bottom: 1.5rem; left: 1.5rem;
  background: var(--ink);
  color: var(--bg);
  padding: 0.7rem 1.2rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  border-radius: 2px;
  display: inline-flex; align-items: center; gap: 0.8rem;
}
.badge-line {
  width: 24px; height: 1px;
  background: var(--accent);
  display: inline-block;
}

/* ========== MARQUEE ========== */
.marquee {
  overflow: hidden;
  padding: 1.5rem 0;
  background: var(--ink);
  color: var(--bg);
  border-bottom: 4px solid var(--accent);
}
.marquee-track {
  display: flex; gap: 3rem;
  white-space: nowrap;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.5rem;
  font-weight: 500;
  animation: marquee 40s linear infinite;
  width: max-content;
}
.marquee-track span:nth-child(even) { color: var(--accent); }
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ========== SECTION ========== */
.section { padding: 7rem 0; border-bottom: 1px solid var(--line); }

.section-head {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 4rem;
  align-items: end;
  margin-bottom: 4rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--line);
}
.section-head.light { border-bottom-color: rgba(255,255,255,0.15); }
.section-head-left { display: flex; flex-direction: column; gap: 1rem; }
.section-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--accent);
  letter-spacing: 2px;
  text-transform: uppercase;
  font-weight: 500;
}
.section-num.light { color: var(--accent); }
.section-head h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 600;
  letter-spacing: -1.5px;
  line-height: 1;
}
.section-lead {
  font-size: 1.1rem;
  color: var(--ink-soft);
  line-height: 1.6;
  max-width: 700px;
}

/* ========== OFFER ========== */
.offer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.offer-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow: hidden;
  transition: all 0.4s ease;
}
.offer-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.08);
  border-color: var(--ink);
}
.offer-img {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--bg-alt);
}
.offer-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.offer-card:hover .offer-img img { transform: scale(1.08); }
.offer-tag {
  position: absolute;
  top: 1rem; left: 1rem;
  background: var(--ink);
  color: var(--bg);
  padding: 0.4rem 0.9rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 1.5px;
  border-radius: 2px;
}
.offer-body { padding: 2rem 1.8rem; }
.offer-body h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.5px;
  margin-bottom: 0.8rem;
}
.offer-body p {
  font-size: 0.95rem;
  color: var(--ink-soft);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}
.offer-specs {
  display: flex; flex-wrap: wrap; gap: 0.4rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--line);
}
.offer-specs span {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  padding: 0.35rem 0.7rem;
  background: var(--bg-alt);
  color: var(--ink-soft);
  border-radius: 2px;
  letter-spacing: 0.5px;
}

/* ========== MATERIALS ========== */
.materials {
  padding: 7rem 0;
  border-bottom: 1px solid var(--line);
  background: var(--bg-alt);
}
.materials-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-bottom: 3rem;
}
.material-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all 0.4s ease;
}
.material-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}
.material-black:hover { border-color: var(--ink); }
.material-inox:hover { border-color: var(--steel); }

.material-img {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--bg-alt);
}
.material-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.material-card:hover .material-img img { transform: scale(1.06); }
.material-badge {
  position: absolute;
  top: 1rem; left: 1rem;
  background: var(--ink);
  color: var(--bg);
  padding: 0.5rem 1rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  border-radius: 2px;
}
.material-inox .material-badge { background: var(--steel); }

.material-body {
  padding: 2.5rem 2rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.material-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 1.2rem;
  padding-bottom: 1.2rem;
  border-bottom: 1px solid var(--line);
  gap: 1rem;
  flex-wrap: wrap;
}
.material-head h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.8rem;
  font-weight: 600;
  letter-spacing: -0.5px;
}
.material-mono {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--muted);
  letter-spacing: 1.5px;
  text-transform: uppercase;
}
.material-body p {
  font-size: 0.95rem;
  color: var(--ink-soft);
  line-height: 1.6;
  margin-bottom: 2rem;
}

.material-props {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: auto;
}
.prop {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 1rem;
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.85rem;
}
.prop:last-child { border-bottom: none; }
.prop-k {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  color: var(--muted);
  letter-spacing: 1.2px;
  text-transform: uppercase;
}
.prop-v {
  color: var(--ink);
  font-weight: 500;
}

.materials-note {
  padding: 1.8rem 2rem;
  background: var(--ink);
  color: var(--bg);
  border-radius: 4px;
  display: flex;
  gap: 1.2rem;
  align-items: center;
}
.materials-note .note-icon {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.6rem;
  color: var(--accent);
  font-weight: 700;
}
.materials-note p {
  font-size: 0.95rem;
  line-height: 1.5;
  color: rgba(255,255,255,0.85);
}
.materials-note strong { color: var(--bg); }

/* ========== PRODUCTION ========== */
.production {
  padding: 7rem 0;
  background: var(--bg-alt);
  border-bottom: 1px solid var(--line);
}
.production-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}
.production-img {
  position: relative;
  aspect-ratio: 4/5;
  overflow: hidden;
  border-radius: 4px;
  background: var(--bg);
}
.production-img img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.prod-overlay {
  position: absolute;
  bottom: 1.5rem; left: 1.5rem; right: 1.5rem;
  display: flex; justify-content: space-between; align-items: center;
  background: var(--ink);
  color: var(--bg);
  padding: 1rem 1.5rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  border-radius: 2px;
}
.prod-num { color: var(--accent); font-weight: 500; }

.production-text .section-num { margin-bottom: 1rem; display: block; }
.production-text h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 600;
  letter-spacing: -1.5px;
  line-height: 1;
  margin-bottom: 1.5rem;
}
.production-text .lead {
  font-size: 1.1rem;
  color: var(--ink-soft);
  line-height: 1.6;
  margin-bottom: 2.5rem;
}
.production-text .lead strong { color: var(--ink); }

.spec-table {
  border-top: 1px solid var(--ink);
}
.spec-row {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 2rem;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.9rem;
}
.spec-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--muted);
  letter-spacing: 1px;
  text-transform: uppercase;
}
.spec-value { font-weight: 500; }

/* ========== PROCESS ========== */
.process {
  padding: 7rem 0;
  background: var(--ink);
  color: var(--bg);
}
.process .section-head { border-bottom-color: rgba(255,255,255,0.15); }
.process .section-head h2 { color: var(--bg); }
.process .section-lead { color: rgba(255,255,255,0.7); }

.process-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid rgba(255,255,255,0.15);
  border-bottom: 1px solid rgba(255,255,255,0.15);
}
.process-step {
  padding: 3rem 2rem;
  border-right: 1px solid rgba(255,255,255,0.15);
  transition: background 0.3s;
}
.process-step:last-child { border-right: none; }
.process-step:hover { background: rgba(214, 72, 37, 0.1); }

.step-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 2rem;
}
.step-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 3rem;
  font-weight: 600;
  color: var(--accent);
  line-height: 1;
  letter-spacing: -2px;
}
.step-time {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  color: rgba(255,255,255,0.5);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 0.3rem 0.7rem;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 2px;
}
.process-step h4 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 0.8rem;
  letter-spacing: -0.3px;
}
.process-step p {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.7);
  line-height: 1.6;
}

/* ========== CONTACT ========== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 4rem;
}
.contact-info { display: flex; flex-direction: column; gap: 2rem; }
.contact-block {
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--line);
}
.contact-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  color: var(--muted);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  display: block;
  margin-bottom: 0.6rem;
}
.contact-block p {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.2rem;
  font-weight: 500;
  letter-spacing: -0.3px;
  line-height: 1.4;
}
.contact-block a {
  color: var(--ink);
  text-decoration: none;
  transition: color 0.3s;
}
.contact-block a:hover { color: var(--accent); }

.contact-note {
  padding: 1.5rem;
  background: var(--ink);
  color: var(--bg);
  border-radius: 4px;
  display: flex; gap: 1rem;
  align-items: flex-start;
}
.note-icon {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.4rem;
  color: var(--accent);
  font-weight: 700;
}
.contact-note p {
  font-size: 0.9rem;
  line-height: 1.6;
  color: rgba(255,255,255,0.85);
}
.contact-note strong { color: var(--bg); }

.contact-form {
  background: #fff;
  padding: 2.5rem;
  border-radius: 4px;
  border: 1px solid var(--line);
}
.form-header {
  display: flex; justify-content: space-between; align-items: center;
  padding-bottom: 1.5rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--line);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.1rem;
  font-weight: 600;
}
.form-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--accent);
  letter-spacing: 1.5px;
}

.form-field {
  margin-bottom: 1.5rem;
  display: flex; flex-direction: column;
  gap: 0.5rem;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.form-field label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  color: var(--muted);
  letter-spacing: 1.5px;
  text-transform: uppercase;
}
.form-field input,
.form-field textarea,
.form-field select {
  width: 100%;
  padding: 0.9rem 1rem;
  border: 1px solid var(--line);
  border-radius: 3px;
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  background: var(--bg);
  color: var(--ink);
  transition: border-color 0.3s;
}
.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
  outline: none;
  border-color: var(--accent);
  background: #fff;
}
.form-field textarea { resize: vertical; font-family: 'Inter', sans-serif; }

.form-field select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%230f0f0e' stroke-width='2' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.checkbox-field {
  flex-direction: row;
  align-items: flex-start;
  gap: 0.7rem;
}
.checkbox-field input { width: auto; margin-top: 3px; accent-color: var(--accent); }
.checkbox-field label {
  font-family: 'Inter', sans-serif;
  font-size: 0.85rem;
  color: var(--ink-soft);
  letter-spacing: 0;
  text-transform: none;
  line-height: 1.5;
  cursor: pointer;
}

/* ========== FOOTER ========== */
.footer {
  background: var(--ink);
  color: var(--bg);
  padding: 6rem 0 2rem;
}
.footer-cta {
  display: flex; justify-content: space-between; align-items: center;
  padding-bottom: 4rem;
  border-bottom: 1px solid rgba(255,255,255,0.15);
  margin-bottom: 4rem;
  gap: 2rem;
  flex-wrap: wrap;
}
.footer-cta h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 600;
  letter-spacing: -1px;
  line-height: 1.15;
}
.footer-cta h3 span { color: var(--accent); }

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,0.15);
  margin-bottom: 2rem;
}
.footer-logo .logo-mark { background: var(--accent); }
.footer-logo .logo-main { color: var(--bg); }
.footer-logo .logo-sub { color: rgba(255,255,255,0.5); }
.footer-desc {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.7);
  line-height: 1.6;
  margin-top: 1.5rem;
  max-width: 320px;
}
.footer-grid h5 {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  color: var(--accent);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 1.2rem;
  font-weight: 500;
}
.footer-grid a,
.footer-grid p {
  display: block;
  color: rgba(255,255,255,0.75);
  text-decoration: none;
  font-size: 0.9rem;
  margin-bottom: 0.6rem;
  line-height: 1.5;
  transition: color 0.3s;
}
.footer-grid a:hover { color: var(--accent); }

.footer-bottom {
  display: flex; justify-content: space-between;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  color: rgba(255,255,255,0.5);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  flex-wrap: wrap;
  gap: 1rem;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1100px) {
  .hero-inner { grid-template-columns: 1fr; gap: 3rem; }
  .hero-right { order: -1; }
  .hero-image { aspect-ratio: 16/10; }
  .production-grid { grid-template-columns: 1fr; gap: 3rem; }
  .section-head { grid-template-columns: 1fr; gap: 2rem; }
  .offer-grid { grid-template-columns: repeat(2, 1fr); }
  .materials-grid { grid-template-columns: 1fr; }
  .process-list { grid-template-columns: repeat(2, 1fr); }
  .process-step:nth-child(2) { border-right: none; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 700px) {
  .container { padding: 0 1.2rem; }
  .topbar-inner { flex-direction: column; gap: 0.5rem; padding: 0.7rem 1.2rem; text-align: center; }
  .header-inner { flex-wrap: wrap; gap: 1rem; }
  .nav { display: none; }
  .btn-header { display: none; }

  .hero { padding: 3rem 0 4rem; }
  .hero-facts { grid-template-columns: 1fr; gap: 1.2rem; }
  .hero-buttons { flex-direction: column; }
  .btn { width: 100%; justify-content: center; }

  .marquee { padding: 1rem 0; }
  .marquee-track { font-size: 1.1rem; gap: 2rem; }

  .section { padding: 4rem 0; }
  .materials { padding: 4rem 0; }
  .production { padding: 4rem 0; }
  .process { padding: 4rem 0; }

  .offer-grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .material-body { padding: 1.5rem; }
  .materials-note { flex-direction: column; text-align: left; align-items: flex-start; }

  .process-list { grid-template-columns: 1fr; }
  .process-step { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.15); }
  .process-step:last-child { border-bottom: none; }

  .form-row { grid-template-columns: 1fr; }
  .contact-form { padding: 1.5rem; }

  .footer { padding: 4rem 0 2rem; }
  .footer-cta { flex-direction: column; align-items: flex-start; text-align: left; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; text-align: center; }
}