/* ═══════════════════════════════════════════════════
   BasaltechSA — styles.css
   Dark Grey & Orange | Mobile-First Responsive
═══════════════════════════════════════════════════ */

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

/* ─── TOKENS ─────────────────────────────────────── */
:root {
  --orange:      #F07020;
  --orange-dark: #C85A0C;
  --orange-glow: rgba(240, 112, 32, 0.14);
  --dark:        #ffffff;
  --dark-2:      #f7f8fa;
  --dark-3:      #eef0f4;
  --dark-card:   #e6e9ee;
  --mid:         #d6dae1;
  --line:        #d6dae1;
  --text:        #1f2328;
  --muted:       #5c6773;
  --white:       #0b0d11;
  --green:       #2e9a58;
  --radius:      6px;
  --t:           0.28s ease;
  --section-pad: 110px;
}

/* ─── BASE ───────────────────────────────────────── */
html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--dark);
  color: var(--text);
  line-height: 1.65;
  overflow-x: hidden;
}

a   { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; }
ul  { list-style: none; }

/* ─── LAYOUT ─────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 28px;
}

/* ─── UTILITY ────────────────────────────────────── */
.text-center     { text-align: center; }
.center-sub      { margin-left: auto; margin-right: auto; text-align: center; }
.justify-center  { justify-content: center; }
.mb-sm           { margin-bottom: 6px; }
.mb-md           { margin-bottom: 14px; }
.mb-section      { margin-bottom: 56px; }
.mb-section-lg   { margin-bottom: 64px; }
.mt-sm           { margin-top: 12px; }

/* ─── TYPOGRAPHY ─────────────────────────────────── */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: 'Oswald', sans-serif;
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 14px;
}
.eyebrow::before {
  content: '';
  display: block;
  width: 28px;
  height: 2px;
  background: var(--orange);
  flex-shrink: 0;
}

.section-title {
  font-family: 'Oswald', sans-serif;
  font-size: clamp(1.9rem, 3.8vw, 2.9rem);
  font-weight: 700;
  line-height: 1.08;
  color: var(--white);
}
.section-title span { color: var(--orange); }

.section-sub {
  font-size: 0.97rem;
  color: var(--muted);
  line-height: 1.8;
  max-width: 560px;
  margin-top: 12px;
}

/* ─── BUTTONS ────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 30px;
  font-family: 'Oswald', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: var(--radius);
  cursor: pointer;
  border: none;
  transition: var(--t);
  -webkit-tap-highlight-color: transparent;
}
.btn-primary { background: var(--orange); color: #fff; }
.btn-primary:hover  { background: var(--orange-dark); transform: translateY(-2px); }
.btn-primary:active { background: var(--orange-dark); transform: translateY(0); }

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 1.5px solid rgba(11, 13, 17, 0.3);
}
.btn-outline:hover  { border-color: var(--orange); color: var(--orange); }
.btn-outline:active { border-color: var(--orange-dark); color: var(--orange-dark); }

.btn-white {
  display: inline-block;
  background: #fff;
  color: var(--orange-dark);
  font-family: 'Oswald', sans-serif;
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 15px 34px;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: var(--t);
  white-space: nowrap;
  -webkit-tap-highlight-color: transparent;
}
.btn-white:hover  { background: #f0f0f0; transform: translateY(-2px); }
.btn-white:active { transform: translateY(0); }

.btn-full { width: 100%; }

/* ════════════════════════════════════════════════════
   NAVBAR
════════════════════════════════════════════════════ */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  transition: background var(--t), box-shadow var(--t);
}
#navbar.scrolled {
  background: rgba(255, 255, 255, 0.58);
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 120px;
}

.nav-logo { display: flex; align-items: center; }
.nav-logo img { height: 96px; width: auto; display: block; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
}
.nav-links a {
  font-family: 'Oswald', sans-serif;
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 8px 12px;
  border-radius: var(--radius);
  transition: var(--t);
  -webkit-tap-highlight-color: transparent;
}
.nav-links a:hover,
.nav-links a.active { color: var(--white); }

.nav-cta {
  background: var(--orange) !important;
  color: #fff !important;
  padding: 8px 18px !important;
  border-radius: var(--radius) !important;
}
.nav-cta:hover  { background: var(--orange-dark) !important; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 10px;
  margin-right: -10px;
  -webkit-tap-highlight-color: transparent;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--t);
}

/* ════════════════════════════════════════════════════
   HERO
════════════════════════════════════════════════════ */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 120px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('images/BasaltMeshRoad.avif');
  background-size: cover;
  background-position: center;
  filter: brightness(1.02) saturate(0.85);
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    100deg,
    rgba(255, 255, 255, 0.93) 0%,
    rgba(255, 255, 255, 0.6) 55%,
    transparent 100%
  );
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  padding: 80px 0;
  width: 100%;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--orange-glow);
  border: 1px solid rgba(240, 112, 32, 0.35);
  color: var(--orange);
  font-family: 'Oswald', sans-serif;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 20px;
}
.hero-pill-dot {
  width: 6px;
  height: 6px;
  background: var(--orange);
  border-radius: 50%;
  flex-shrink: 0;
  animation: blink 2s infinite;
}
@keyframes blink {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.4; transform: scale(1.5); }
}

.hero-h1 {
  font-family: 'Oswald', sans-serif;
  font-size: clamp(2.5rem, 5vw, 4.2rem);
  font-weight: 700;
  line-height: 1.04;
  color: var(--white);
  margin-bottom: 16px;
}
.hero-h1 .accent { color: var(--orange); }
.hero-h1 .stroke {
  -webkit-text-stroke: 2px var(--orange);
  color: transparent;
}

.hero-sub {
  font-size: 1rem;
  color: #4a5060;
  line-height: 1.8;
  max-width: 480px;
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 44px;
}

.hero-stats {
  display: flex;
  gap: 32px;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  flex-wrap: wrap;
}
.stat-n {
  font-family: 'Oswald', sans-serif;
  font-size: 1.9rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1;
}
.stat-n em   { color: var(--orange); font-style: normal; }
.stat-l      { font-size: 0.72rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.1em; margin-top: 4px; }

/* Hero image card */
.hero-img-wrap {
  position: relative;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.6);
}
.hero-img-wrap img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
  filter: brightness(0.85);
}
.hero-img-badge {
  position: absolute;
  bottom: 16px;
  left: 16px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 11px 14px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  gap: 12px;
}
.badge-green-dot {
  width: 9px; height: 9px;
  background: var(--green);
  border-radius: 50%;
  flex-shrink: 0;
  box-shadow: 0 0 0 3px rgba(61, 186, 110, 0.2);
}
.badge-label       { font-size: 0.76rem; color: var(--muted); }
.badge-label strong { display: block; font-size: 0.85rem; color: var(--white); }

.hero-img-tag {
  position: absolute;
  top: 16px; right: 16px;
  background: var(--orange);
  font-family: 'Oswald', sans-serif;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #fff;
  padding: 6px 12px;
  border-radius: 4px;
}

/* ════════════════════════════════════════════════════
   MARQUEE
════════════════════════════════════════════════════ */
.marquee-band {
  background: var(--orange);
  padding: 13px 0;
  overflow: hidden;
  white-space: nowrap;
}
.marquee-track {
  display: inline-flex;
  animation: scroll 30s linear infinite;
}
.marquee-item {
  font-family: 'Oswald', sans-serif;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #fff;
  padding: 0 32px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.marquee-item::after { content: '◆'; font-size: 0.4rem; opacity: 0.65; }
@keyframes scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ════════════════════════════════════════════════════
   ABOUT
════════════════════════════════════════════════════ */
#about { padding: var(--section-pad) 0; background: var(--dark-2); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}

.about-img-stack { position: relative; padding: 20px 0 24px 20px; }

.about-img-main {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--line);
  aspect-ratio: 5 / 4;
}
.about-img-main img { width: 100%; height: 100%; object-fit: cover; }

.about-img-mini {
  position: absolute;
  bottom: 0;
  right: -20px;
  width: 46%;
  border-radius: 10px;
  overflow: hidden;
  border: 3px solid var(--dark-2);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
}
.about-img-mini img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }

.about-badge-circle {
  position: absolute;
  top: 0; left: 0;
  width: 105px; height: 105px;
  background: var(--orange);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  box-shadow: 0 8px 30px rgba(240, 112, 32, 0.45);
  z-index: 2;
}
.badge-big { font-family: 'Oswald', sans-serif; font-size: 1.9rem; font-weight: 700; color: #fff; line-height: 1; }
.badge-sm  { font-size: 0.6rem; font-weight: 600; color: rgba(255,255,255,0.85); text-transform: uppercase; letter-spacing: 0.07em; line-height: 1.3; margin-top: 3px; }

.vision-block {
  margin-top: 20px;
  padding: 18px 20px;
  background: var(--dark-card);
  border: 1px solid var(--line);
  border-left: 3px solid var(--orange);
  border-radius: 8px;
}
.vision-block h4 {
  font-family: 'Oswald', sans-serif;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--orange);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}
.vision-block p { font-size: 0.87rem; color: var(--muted); line-height: 1.75; }

.objectives { margin-top: 20px; display: flex; flex-direction: column; gap: 10px; }
.obj-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 13px 16px;
  background: var(--dark-card);
  border: 1px solid var(--line);
  border-radius: 8px;
  transition: border-color var(--t);
}
.obj-item:hover { border-color: rgba(240, 112, 32, 0.35); }
.obj-dot { width: 8px; height: 8px; background: var(--orange); border-radius: 50%; flex-shrink: 0; margin-top: 6px; }
.obj-item p { font-size: 0.86rem; color: var(--muted); line-height: 1.65; }

/* ════════════════════════════════════════════════════
   PRODUCTS
════════════════════════════════════════════════════ */
#products { padding: var(--section-pad) 0; background: var(--dark); }

.products-header { text-align: center; margin-bottom: 60px; }
.products-header .section-sub { margin: 12px auto 0; }

.products-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.product-card {
  background: var(--dark-card);
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  transition: border-color var(--t), transform var(--t);
}
.product-card:hover { border-color: rgba(240, 112, 32, 0.4); transform: translateY(-4px); }

.product-img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
  filter: brightness(0.85);
  transition: filter var(--t);
}
.product-card:hover .product-img { filter: brightness(0.95); }

.product-body { padding: 28px; }

.product-tag {
  display: inline-block;
  background: var(--orange-glow);
  border: 1px solid rgba(240, 112, 32, 0.3);
  color: var(--orange);
  font-family: 'Oswald', sans-serif;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 4px;
  margin-bottom: 12px;
}

.product-title {
  font-family: 'Oswald', sans-serif;
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
  line-height: 1.15;
}

.product-desc { font-size: 0.87rem; color: var(--muted); line-height: 1.75; margin-bottom: 22px; }

.product-features { display: flex; flex-direction: column; gap: 8px; margin-bottom: 24px; }
.pf-item { display: flex; align-items: flex-start; gap: 10px; }
.pf-bullet {
  width: 18px; height: 18px;
  background: var(--orange-glow);
  border: 1px solid rgba(240, 112, 32, 0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}
.pf-bullet::after { content: '✓'; font-size: 0.6rem; color: var(--orange); font-weight: 700; }
.pf-item span { font-size: 0.84rem; color: var(--muted); line-height: 1.55; }

/* ════════════════════════════════════════════════════
   PROPERTIES
════════════════════════════════════════════════════ */
#properties { padding: var(--section-pad) 0; background: var(--dark-2); position: relative; }
#properties::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 50% at 80% 50%, rgba(240,112,32,0.05) 0%, transparent 70%);
  pointer-events: none;
}

.props-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.prop-card {
  background: var(--dark-card);
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  position: relative;
  transition: border-color var(--t), transform var(--t);
}
.prop-card::after {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: var(--orange);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t);
}
.prop-card:hover { border-color: rgba(240, 112, 32, 0.4); transform: translateY(-3px); }
.prop-card:hover::after { transform: scaleX(1); }

.prop-img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
  filter: brightness(0.7) saturate(0.5);
  transition: filter var(--t);
}
.prop-card:hover .prop-img { filter: brightness(0.85) saturate(0.65); }

.prop-body  { padding: 20px; }
.prop-icon  { width: 42px; height: 42px; background: var(--orange-glow); border: 1px solid rgba(240,112,32,0.25); border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 1.1rem; margin-bottom: 12px; }
.prop-title { font-family: 'Oswald', sans-serif; font-size: 1.05rem; font-weight: 600; color: var(--white); margin-bottom: 8px; }
.prop-desc  { font-size: 0.83rem; color: var(--muted); line-height: 1.7; }

.prop-stat {
  margin-top: 14px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--orange-glow);
  border: 1px solid rgba(240, 112, 32, 0.25);
  border-radius: 6px;
  padding: 6px 12px;
}
.prop-stat-num   { font-family: 'Oswald', sans-serif; font-size: 0.95rem; font-weight: 700; color: var(--orange); }
.prop-stat-label { font-size: 0.72rem; color: var(--muted); }

/* ════════════════════════════════════════════════════
   APPLICATIONS
════════════════════════════════════════════════════ */
#applications { padding: var(--section-pad) 0; background: var(--dark); }

.apps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.app-card {
  border-radius: 10px;
  overflow: hidden;
  position: relative;
  background: var(--dark-card);
  border: 1px solid var(--line);
  transition: border-color var(--t), transform var(--t);
}
.app-card:hover { border-color: rgba(240, 112, 32, 0.45); transform: translateY(-4px); }

.app-img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
  filter: brightness(0.65) saturate(0.5);
  transition: filter var(--t);
}
.app-card:hover .app-img { filter: brightness(0.8) saturate(0.65); }

.app-label {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 40px 18px 16px;
  background: linear-gradient(to top, rgba(255,255,255,0.96), transparent);
}
.app-label-tag   { font-family: 'Oswald', sans-serif; font-size: 0.65rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--orange); margin-bottom: 4px; }
.app-label-title { font-family: 'Oswald', sans-serif; font-size: 0.98rem; font-weight: 600; color: var(--white); line-height: 1.2; }

.app-card.wide { grid-column: span 2; }
.app-card.wide .app-img { aspect-ratio: 16 / 7; }

/* ════════════════════════════════════════════════════
   COMPARISON
════════════════════════════════════════════════════ */
#comparison { padding: var(--section-pad) 0; background: var(--dark-2); }

.table-wrap {
  background: var(--dark-card);
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow-x: auto;           /* horizontal scroll on mobile */
  -webkit-overflow-scrolling: touch;
}

.comp-table {
  width: 100%;
  min-width: 560px;           /* prevents table getting too narrow */
  border-collapse: collapse;
  font-size: 0.88rem;
}
.comp-table thead tr { background: var(--mid); border-bottom: 1px solid rgba(240,112,32,0.35); }
.comp-table th {
  padding: 15px 18px;
  font-family: 'Oswald', sans-serif;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
  text-align: left;
  white-space: nowrap;
}
.comp-table td {
  padding: 13px 18px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  vertical-align: middle;
  white-space: nowrap;
}
.comp-table tr:last-child td { border-bottom: none; }
.comp-table tbody tr { transition: background var(--t); }
.comp-table tbody tr:hover { background: rgba(255, 255, 255, 0.03); }
.comp-table td:first-child  { font-weight: 600; color: var(--text); white-space: normal; }

.comp-table th.hc,
.comp-table td.hc {
  background: rgba(240, 112, 32, 0.08);
  color: var(--white);
  font-weight: 600;
}
.comp-table th.hc {
  color: var(--orange);
  border-right: 1px solid rgba(240,112,32,0.25);
  border-left:  1px solid rgba(240,112,32,0.25);
}
.comp-table td.hc {
  border-right: 1px solid rgba(240,112,32,0.15);
  border-left:  1px solid rgba(240,112,32,0.15);
}

.badge-best {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: rgba(61,186,110,0.12);
  border: 1px solid rgba(61,186,110,0.3);
  color: #3dba6e;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 4px;
}
.badge-best::before { content: '✓ '; }

/* ════════════════════════════════════════════════════
   CTA BAND
════════════════════════════════════════════════════ */
.cta-band {
  padding: 80px 0;
  background: linear-gradient(110deg, var(--orange-dark) 0%, var(--orange) 100%);
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: '';
  position: absolute; inset: 0;
  background-image: repeating-linear-gradient(
    -45deg, transparent, transparent 20px,
    rgba(255,255,255,0.04) 20px, rgba(255,255,255,0.04) 40px
  );
}

.cta-inner-flex {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

.cta-h2 { font-family: 'Oswald', sans-serif; font-size: clamp(1.7rem, 3.2vw, 2.4rem); font-weight: 700; color: #fff; line-height: 1.1; }
.cta-p  { font-size: 0.97rem; color: rgba(255,255,255,0.82); margin-top: 8px; }

/* ════════════════════════════════════════════════════
   CONTACT / FOOTER
════════════════════════════════════════════════════ */
#contact { padding: var(--section-pad) 0 64px; background: var(--dark-2); }

.contact-header { text-align: center; margin-bottom: 60px; }
.contact-header .section-sub { margin: 12px auto 0; text-align: center; }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.35fr;
  gap: 60px;
  align-items: start;
  margin-bottom: 72px;
}

.contact-side h3 {
  font-family: 'Oswald', sans-serif;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 6px;
}
.contact-side > p { font-size: 0.87rem; color: var(--muted); line-height: 1.75; margin-bottom: 24px; }

.locations { display: flex; flex-direction: column; gap: 12px; margin-bottom: 28px; }
.loc-card {
  background: var(--dark-card);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 15px 16px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  transition: border-color var(--t);
}
.loc-card:hover { border-color: rgba(240, 112, 32, 0.3); }
.loc-icon    { width: 36px; height: 36px; flex-shrink: 0; background: var(--orange-glow); border: 1px solid rgba(240,112,32,0.25); border-radius: 7px; display: flex; align-items: center; justify-content: center; font-size: 0.95rem; }
.loc-region  { font-family: 'Oswald', sans-serif; font-size: 0.72rem; font-weight: 600; color: var(--orange); text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 3px; }
.loc-addr    { font-size: 0.84rem; color: var(--text); line-height: 1.55; }

.contacts-list { display: flex; flex-direction: column; gap: 10px; }
.person-card {
  background: var(--dark-card);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px 16px;
  display: flex;
  gap: 14px;
  align-items: center;
  transition: border-color var(--t);
}
.person-card:hover { border-color: rgba(240, 112, 32, 0.3); }
.person-avatar {
  width: 40px; height: 40px; flex-shrink: 0;
  background: linear-gradient(135deg, var(--orange-dark), var(--orange));
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: 'Oswald', sans-serif; font-size: 1rem; font-weight: 700; color: #fff;
}
.person-name  { font-family: 'Oswald', sans-serif; font-size: 0.95rem; font-weight: 600; color: var(--white); margin-bottom: 4px; }
.person-links { display: flex; gap: 12px; flex-wrap: wrap; }
.person-links a { font-size: 0.78rem; color: var(--muted); transition: color var(--t); -webkit-tap-highlight-color: transparent; }
.person-links a:hover { color: var(--orange); }

/* Form */
.contact-form-card {
  background: var(--dark-card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 36px;
}

.form-title { font-family: 'Oswald', sans-serif; font-size: 1.3rem; font-weight: 600; color: var(--white); margin-bottom: 26px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

.form-group { display: flex; flex-direction: column; gap: 7px; margin-bottom: 14px; }
.form-group label { font-size: 0.75rem; font-weight: 500; color: var(--muted); text-transform: uppercase; letter-spacing: 0.09em; }

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--dark-3);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px 14px;
  color: var(--text);
  font-family: 'Inter', sans-serif;
  font-size: 0.88rem;
  line-height: 1.4;
  transition: border-color var(--t);
  outline: none;
  -webkit-appearance: none;
  /* Prevent iOS zoom on focus (font-size >= 16px equivalent) */
  font-size: max(16px, 0.88rem);
}
/* Reset back for desktop */
@media (min-width: 768px) {
  .form-group input,
  .form-group select,
  .form-group textarea {
    font-size: 0.88rem;
  }
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(138,138,138,0.45); }

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--orange); }

.form-group select  { cursor: pointer; }
.form-group textarea { resize: vertical; min-height: 100px; }
.form-submit { width: 100%; justify-content: center; margin-top: 4px; }

/* Footer bar */
.footer-bar {
  border-top: 1px solid var(--line);
  padding-top: 36px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}
.footer-logo img { height: 36px; width: auto; }
.footer-copy     { font-size: 0.79rem; color: var(--muted); }
.footer-nav      { display: flex; gap: 20px; flex-wrap: wrap; }
.footer-nav a    { font-size: 0.79rem; color: var(--muted); transition: color var(--t); -webkit-tap-highlight-color: transparent; }
.footer-nav a:hover { color: var(--orange); }

/* ════════════════════════════════════════════════════
   RESPONSIVE — TABLET  (≤ 1040px)
════════════════════════════════════════════════════ */
@media (max-width: 1040px) {
  .props-grid { grid-template-columns: repeat(2, 1fr); }
  .apps-grid  { grid-template-columns: repeat(2, 1fr); }
  .about-grid { gap: 48px; }

  .nav-inner { height: 82px; }
  .nav-logo img { height: 68px; }
  #hero { padding-top: 82px; }
}

/* ════════════════════════════════════════════════════
   RESPONSIVE — MOBILE  (≤ 768px)
════════════════════════════════════════════════════ */
@media (max-width: 768px) {
  :root { --section-pad: 72px; }

  .container { padding: 0 20px; }

  /* Navbar */
  .nav-inner { height: 82px; }
  .nav-logo img { height: 68px; }
  #hero { padding-top: 82px; }

  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 82px; left: 0; right: 0;
    background: rgba(255,255,255,0.98);
    padding: 16px 20px 20px;
    gap: 2px;
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--line);
    z-index: 999;
  }
  .nav-links.open a { padding: 12px 14px; font-size: 0.95rem; border-radius: var(--radius); }
  .nav-links.open .nav-cta { margin-top: 8px; text-align: center; }
  .hamburger { display: flex; }

  /* Hero */
  .hero-inner {
    grid-template-columns: 1fr;
    padding: 40px 0 56px;
    gap: 32px;
  }
  .hero-img-wrap { order: -1; }
  .hero-h1 { font-size: clamp(2.2rem, 9vw, 3rem); }
  .hero-sub { font-size: 0.95rem; margin-bottom: 28px; }
  .hero-actions { gap: 10px; }
  .hero-stats { gap: 20px; }
  .hero-img-badge { padding: 9px 12px; gap: 10px; }

  /* About */
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-img-stack { padding: 18px 0 40px 18px; }
  .about-img-mini { right: 0; }
  .about-badge-circle { width: 88px; height: 88px; }
  .badge-big { font-size: 1.55rem; }

  /* Products */
  .products-grid { grid-template-columns: 1fr; }
  .product-body { padding: 22px; }

  /* Properties */
  .props-grid { grid-template-columns: 1fr; }

  /* Applications */
  .apps-grid { grid-template-columns: 1fr; }
  .app-card.wide { grid-column: span 1; }
  .app-card.wide .app-img { aspect-ratio: 4 / 3; }

  /* CTA */
  .cta-band { padding: 60px 0; }
  .cta-inner-flex { flex-direction: column; text-align: center; align-items: center; }

  /* Contact */
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .contact-form-card { padding: 24px; }
  .form-row { grid-template-columns: 1fr; }

  /* Footer */
  .footer-bar { flex-direction: column; align-items: center; text-align: center; }
  .footer-nav { justify-content: center; }
}

/* ════════════════════════════════════════════════════
   RESPONSIVE — SMALL PHONE  (≤ 480px)
════════════════════════════════════════════════════ */
@media (max-width: 480px) {
  :root { --section-pad: 60px; }

  .container { padding: 0 16px; }

  /* Navbar on very small screens */
  .nav-inner { height: 76px; }
  .nav-logo img { height: 64px; }
  #hero { padding-top: 76px; }
  .nav-links.open { top: 76px; }

  /* Stack hero buttons */
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }

  /* Stats wrap to 2×2 */
  .hero-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 24px; }

  /* Section headings */
  .section-title { font-size: clamp(1.65rem, 7vw, 2.2rem); }

  /* Comparison table hint */
  .table-wrap::before {
    content: 'Swipe to see full table →';
    display: block;
    font-size: 0.72rem;
    color: var(--muted);
    text-align: right;
    padding: 8px 16px 0;
    font-family: 'Inter', sans-serif;
  }

  /* Person links stack */
  .person-links { flex-direction: column; gap: 4px; }

  /* CTA button full width */
  .btn-white { width: 100%; text-align: center; }

  /* Footer */
  .footer-nav { gap: 14px; }
}