/* ═══════════════════════════════════════════════════════════
   BlueTEC Design System — bluetec-lab.com
   Palette: Navy #0a2a3a · Blue #2882be · Sky #5aa0d2
   Type: Figtree (headings) + Sora (body)
   ═══════════════════════════════════════════════════════════ */

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

/* ── VARIABLES ── */
:root {
  /* Brand Blues */
  --blue:        #2882be;
  --blue-dark:   #1a6090;
  --blue-deeper: #0f3f6e;
  --blue-light:  #5aa0d2;
  --blue-pale:   #d8eaf8;
  --blue-ghost:  rgba(40,130,190,0.12);

  /* Dark Backgrounds */
  --navy:        #071e2c;
  --navy-2:      #0a2a3a;
  --navy-3:      #0f3550;
  --navy-card:   #142d3d;
  --navy-border: rgba(255,255,255,0.07);

  /* Light Backgrounds */
  --white:       #ffffff;
  --gray-bg:     #f2f6fa;
  --gray-light:  #e8f0f8;
  --border:      #d0e4f0;

  /* Text */
  --text-dark:   #071e2c;
  --text-body:   #3a5870;
  --text-muted:  #7a9bb0;
  --text-light:  #ffffff;
  --text-dim:    rgba(255,255,255,0.55);
  --text-dimmer: rgba(255,255,255,0.35);

  /* Typography */
  --font-h:  'Figtree', sans-serif;
  --font-b:  'Sora', sans-serif;

  /* Sizing */
  --radius-btn:  24px;
  --radius-card: 20px;
  --radius-sm:   12px;

  /* Shadows */
  --shadow-card: 0 4px 24px rgba(7,30,44,0.12);
  --shadow-btn:  0 4px 16px rgba(40,130,190,0.3);
}

/* ── BASE ── */
body {
  font-family: var(--font-b);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-dark);
  background: var(--white);
  overflow-x: hidden;
}

/* ── CONTAINER ── */
.container {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 28px;
}

/* ══════════════════════════════════════════
   NAVIGATION
══════════════════════════════════════════ */
.nav {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(7,30,44,0.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--navy-border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 16px;
}
.nav-logo {
  font-family: var(--font-h);
  font-size: 20px;
  font-weight: 900;
  color: var(--white);
  letter-spacing: -.01em;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.nav-logo .logo-mark {
  width: 32px;
  height: 32px;
  background: var(--blue);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 900;
  color: white;
}
.nav-links {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 4px;
}
.nav-links a {
  font-family: var(--font-h);
  font-size: 14px;
  font-weight: 600;
  color: rgba(255,255,255,0.6);
  padding: 8px 14px;
  border-radius: 8px;
  transition: color .2s, background .2s;
}
.nav-links a:hover { color: white; background: rgba(255,255,255,0.07); }
.nav-links a.active { color: var(--blue-light); }
.nav-right { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: white;
  border-radius: 2px;
  transition: all .3s;
}

/* Mobile Drawer */
.nav-drawer {
  position: fixed;
  top: 68px;
  left: 0;
  right: 0;
  background: var(--navy);
  border-bottom: 1px solid var(--navy-border);
  padding: 20px 28px 28px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transform: translateY(-110%);
  transition: transform .3s ease;
  z-index: 199;
}
.nav-drawer.open { transform: translateY(0); }
.nav-drawer a {
  font-family: var(--font-h);
  font-size: 15px;
  font-weight: 600;
  color: rgba(255,255,255,0.7);
  padding: 12px 16px;
  border-radius: 10px;
  transition: background .2s, color .2s;
}
.nav-drawer a:hover { background: var(--navy-3); color: white; }
.nav-drawer a.btn-primary { color: var(--navy); margin-top: 8px; text-align: center; }

/* ══════════════════════════════════════════
   BUTTONS
══════════════════════════════════════════ */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--blue);
  color: white;
  font-family: var(--font-h);
  font-size: 15px;
  font-weight: 800;
  padding: 14px 28px;
  border-radius: var(--radius-btn);
  border: none;
  cursor: pointer;
  transition: background .2s, transform .15s, box-shadow .2s;
  box-shadow: var(--shadow-btn);
  white-space: nowrap;
}
.btn-primary:hover { background: var(--blue-dark); transform: translateY(-2px); }
.btn-primary.sm { font-size: 13px; padding: 10px 22px; }
.btn-primary.lg { font-size: 17px; padding: 17px 36px; }

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--blue);
  font-family: var(--font-h);
  font-size: 15px;
  font-weight: 700;
  padding: 13px 28px;
  border-radius: var(--radius-btn);
  border: 1.5px solid var(--blue);
  cursor: pointer;
  transition: background .2s, color .2s;
  white-space: nowrap;
}
.btn-outline:hover { background: var(--blue); color: white; }
.btn-outline.lg { font-size: 17px; padding: 16px 36px; }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: white;
  font-family: var(--font-h);
  font-size: 15px;
  font-weight: 700;
  padding: 13px 28px;
  border-radius: var(--radius-btn);
  border: 1.5px solid rgba(255,255,255,0.25);
  cursor: pointer;
  transition: border-color .2s, background .2s;
  white-space: nowrap;
}
.btn-ghost:hover { border-color: rgba(255,255,255,0.6); background: rgba(255,255,255,0.06); }
.btn-ghost.lg { font-size: 17px; padding: 16px 36px; }

.btn-dark {
  display: inline-flex;
  align-items: center;
  background: var(--navy);
  color: white;
  font-family: var(--font-h);
  font-size: 15px;
  font-weight: 800;
  padding: 14px 28px;
  border-radius: var(--radius-btn);
  border: none;
  cursor: pointer;
  transition: background .2s;
  white-space: nowrap;
}
.btn-dark:hover { background: var(--navy-3); }

/* ══════════════════════════════════════════
   HERO — DARK
══════════════════════════════════════════ */
.hero-dark {
  background: var(--navy);
  position: relative;
  overflow: hidden;
  padding: 100px 0 90px;
}
.hero-dark::before {
  content: '';
  position: absolute;
  top: -200px; left: -100px;
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(40,130,190,0.14) 0%, transparent 65%);
  pointer-events: none;
}
.hero-dark::after {
  content: '';
  position: absolute;
  bottom: -150px; right: -100px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(90,160,210,0.08) 0%, transparent 65%);
  pointer-events: none;
}
.hero-glow { position: absolute; border-radius: 50%; pointer-events: none; }
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(40,130,190,0.12);
  border: 1px solid rgba(40,130,190,0.3);
  color: var(--blue-light);
  font-family: var(--font-h);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 24px;
}
.hero-tag-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--blue-light);
  animation: blink 2s infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:.3} }
.hero-h1 {
  font-family: var(--font-h);
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 900;
  color: white;
  line-height: 1.0;
  letter-spacing: -.02em;
  margin-bottom: 24px;
}
.hero-h1 .acc { color: var(--blue-light); }
.hero-sub {
  font-size: clamp(16px, 2vw, 18px);
  color: var(--text-dim);
  line-height: 1.75;
  max-width: 600px;
  margin-bottom: 36px;
}
.hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; margin-bottom: 48px; }
.hero-stats {
  display: flex;
  gap: 36px;
  flex-wrap: wrap;
  padding-top: 36px;
  border-top: 1px solid var(--navy-border);
}
.hero-stat .sv { font-family: var(--font-h); font-size: 26px; font-weight: 900; color: white; display: block; }
.hero-stat .sl { font-size: 13px; color: var(--text-dimmer); display: block; margin-top: 2px; }

/* ══════════════════════════════════════════
   TRUST STRIP
══════════════════════════════════════════ */
.strip {
  background: var(--navy-3);
  border-top: 1px solid var(--navy-border);
  border-bottom: 1px solid var(--navy-border);
  overflow: hidden;
  padding: 14px 0;
}
.strip-inner {
  display: flex;
  gap: 0;
  animation: scroll-strip 28s linear infinite;
  width: max-content;
}
@keyframes scroll-strip {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
.strip-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 32px;
  font-family: var(--font-h);
  font-size: 13px;
  font-weight: 700;
  color: rgba(255,255,255,0.5);
  white-space: nowrap;
  border-right: 1px solid var(--navy-border);
}
.strip-icon { color: var(--blue-light); font-size: 15px; }

/* ══════════════════════════════════════════
   SECTIONS
══════════════════════════════════════════ */
.section { padding: 90px 0; }
.section.bg-dark  { background: var(--navy-2); }
.section.bg-navy  { background: var(--navy); }
.section.bg-gray  { background: var(--gray-bg); }
.section.bg-white { background: var(--white); }
.section.bg-blue  { background: var(--blue); }

.section-label {
  font-family: var(--font-h);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 12px;
}
.section-label.on-dark { color: var(--blue-light); opacity: .7; }
.section-label.on-blue { color: rgba(255,255,255,0.6); }

.section-h2 {
  font-family: var(--font-h);
  font-size: clamp(28px, 4vw, 46px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -.015em;
  color: var(--text-dark);
  margin-bottom: 16px;
}
.section-h2.on-dark { color: white; }
.section-h2.on-blue { color: white; }

.section-lead {
  font-size: 17px;
  color: var(--text-body);
  line-height: 1.75;
  max-width: 600px;
}
.section-lead.on-dark { color: var(--text-dim); }
.section-lead.on-blue { color: rgba(255,255,255,0.75); }

.section-header { margin-bottom: 52px; }
.section-header.centered { text-align: center; }
.section-header.centered .section-lead { margin: 0 auto; }

/* highlight span */
.hl { position: relative; display: inline; }
.hl::after {
  content: '';
  position: absolute;
  left: 0; bottom: 2px;
  width: 100%; height: 8px;
  background: rgba(40,130,190,0.2);
  border-radius: 4px;
  z-index: -1;
}

/* ══════════════════════════════════════════
   TWO-DOOR CARDS
══════════════════════════════════════════ */
.doors-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.door-card {
  border-radius: var(--radius-card);
  padding: 44px 40px;
  position: relative;
  overflow: hidden;
  transition: transform .25s;
}
.door-card:hover { transform: translateY(-4px); }
.door-card.dark {
  background: var(--navy);
  border: 1px solid var(--navy-border);
}
.door-card.light {
  background: var(--white);
  border: 1.5px solid var(--border);
  box-shadow: var(--shadow-card);
}
.door-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-h);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: 100px;
  margin-bottom: 20px;
}
.door-badge.blue  { background: rgba(40,130,190,0.15); border: 1px solid rgba(40,130,190,0.3); color: var(--blue-light); }
.door-badge.dark  { background: rgba(7,30,44,0.08); border: 1px solid rgba(7,30,44,0.15); color: var(--navy-3); }
.door-card h3 {
  font-family: var(--font-h);
  font-size: 24px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 14px;
  letter-spacing: -.01em;
}
.door-card.dark h3 { color: white; }
.door-card.light h3 { color: var(--text-dark); }
.door-card p {
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 24px;
}
.door-card.dark p { color: var(--text-dim); }
.door-card.light p { color: var(--text-body); }
.door-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 32px;
}
.door-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
}
.door-card.dark .door-list li  { color: var(--text-dim); }
.door-card.light .door-list li { color: var(--text-body); }
.door-list li::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--blue);
  flex-shrink: 0;
  margin-top: 8px;
}

/* ══════════════════════════════════════════
   FEATURE CARDS
══════════════════════════════════════════ */
.feat-grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
.feat-grid-2 { display: grid; grid-template-columns: repeat(2,1fr); gap: 20px; }

.feat-card {
  border-radius: var(--radius-card);
  padding: 28px;
  transition: transform .2s;
}
.feat-card:hover { transform: translateY(-3px); }
.feat-card.dark {
  background: var(--navy-card);
  border: 1px solid var(--navy-border);
}
.feat-card.light {
  background: var(--white);
  border: 1.5px solid var(--border);
  box-shadow: var(--shadow-card);
}
.feat-card.blue-pale {
  background: var(--gray-bg);
  border: 1px solid var(--gray-light);
}
.feat-icon { font-size: 32px; margin-bottom: 16px; }
.feat-card h4 {
  font-family: var(--font-h);
  font-size: 17px;
  font-weight: 800;
  margin-bottom: 8px;
  letter-spacing: -.01em;
}
.feat-card.dark h4 { color: white; }
.feat-card.light h4, .feat-card.blue-pale h4 { color: var(--text-dark); }
.feat-card p { font-size: 14px; line-height: 1.65; }
.feat-card.dark p { color: var(--text-dim); }
.feat-card.light p, .feat-card.blue-pale p { color: var(--text-body); }

/* ══════════════════════════════════════════
   STATS BAR
══════════════════════════════════════════ */
.stats-bar { background: var(--navy); padding: 52px 0; border-top: 1px solid var(--navy-border); border-bottom: 1px solid var(--navy-border); }
.stats-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 32px; }
.stat-item { text-align: center; }
.stat-number {
  display: block;
  font-family: var(--font-h);
  font-size: clamp(32px,4vw,48px);
  font-weight: 900;
  color: white;
  line-height: 1;
  margin-bottom: 8px;
}
.stat-label { font-size: 13px; color: var(--text-dimmer); line-height: 1.4; }
.stat-accent { color: var(--blue-light) !important; }

/* ══════════════════════════════════════════
   TESTIMONIALS
══════════════════════════════════════════ */
.testimonials-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.testimonial-card {
  background: var(--navy-card);
  border: 1px solid var(--navy-border);
  border-radius: var(--radius-card);
  padding: 32px;
}
.testimonial-card .quote {
  font-size: 15px;
  color: var(--text-dim);
  line-height: 1.75;
  margin-bottom: 24px;
  font-style: italic;
}
.testimonial-card .quote::before { content: '"'; color: var(--blue-light); font-size: 20px; font-style: normal; }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.author-avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--blue-ghost);
  border: 1.5px solid rgba(40,130,190,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-h);
  font-size: 14px;
  font-weight: 800;
  color: var(--blue-light);
  flex-shrink: 0;
}
.author-name { font-family: var(--font-h); font-size: 14px; font-weight: 700; color: white; }
.author-role { font-size: 12px; color: var(--text-dimmer); margin-top: 2px; }

/* ══════════════════════════════════════════
   FAQ
══════════════════════════════════════════ */
.faq-list { display: flex; flex-direction: column; gap: 6px; }
.faq-item { border: 1px solid var(--border); border-radius: 14px; overflow: hidden; background: var(--white); }
.faq-item.dark-faq { border-color: var(--navy-border); background: var(--navy-card); }
.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: 20px 24px;
  cursor: pointer;
  font-family: var(--font-h);
  font-size: 16px;
  font-weight: 700;
  color: var(--text-dark);
  background: none;
  border: none;
  text-align: left;
  gap: 16px;
  transition: background .2s;
}
.faq-item.dark-faq .faq-question { color: white; }
.faq-question:hover { background: var(--gray-bg); }
.faq-item.dark-faq .faq-question:hover { background: rgba(255,255,255,0.04); }
.faq-icon { font-size: 20px; color: var(--blue); flex-shrink: 0; transition: transform .3s; font-style: normal; }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height .4s ease; }
.faq-answer p { padding: 0 24px 20px; font-size: 15px; color: var(--text-body); line-height: 1.75; }
.faq-item.dark-faq .faq-answer p { color: var(--text-dim); }
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-item.open .faq-answer { max-height: 400px; }

/* ══════════════════════════════════════════
   CTA SECTION
══════════════════════════════════════════ */
.cta-section { background: var(--blue); padding: 90px 0; text-align: center; }
.cta-section h2 { font-family: var(--font-h); font-size: clamp(30px,4vw,52px); font-weight: 900; color: white; margin-bottom: 16px; letter-spacing: -.02em; }
.cta-section p { font-size: 17px; color: rgba(255,255,255,0.75); margin-bottom: 36px; max-width: 520px; margin-left: auto; margin-right: auto; }
.cta-section .cta-btns { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

.cta-box {
  background: rgba(40,130,190,0.08);
  border: 1px solid rgba(40,130,190,0.2);
  border-radius: var(--radius-card);
  padding: 52px 56px;
  text-align: center;
}
.cta-box h2 { font-family: var(--font-h); font-size: clamp(26px,3.5vw,42px); font-weight: 900; color: white; margin-bottom: 12px; letter-spacing: -.015em; }
.cta-box p { font-size: 16px; color: var(--text-dim); margin-bottom: 32px; line-height: 1.65; }
.cta-box .cta-btns { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ══════════════════════════════════════════
   CAPABILITY BADGE (passive items)
══════════════════════════════════════════ */
.cap-badge {
  background: var(--navy-card);
  border: 1px solid var(--navy-border);
  border-radius: var(--radius-card);
  padding: 28px 32px;
  display: flex;
  align-items: flex-start;
  gap: 20px;
}
.cap-badge-icon { font-size: 36px; flex-shrink: 0; }
.cap-badge h4 { font-family: var(--font-h); font-size: 18px; font-weight: 800; color: white; margin-bottom: 6px; }
.cap-badge p { font-size: 14px; color: var(--text-dim); line-height: 1.65; }
.cap-badge .cap-tag {
  display: inline-block;
  font-size: 11px;
  font-family: var(--font-h);
  font-weight: 700;
  color: var(--text-dimmer);
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--navy-border);
  padding: 3px 10px;
  border-radius: 100px;
  margin-top: 10px;
}

/* ══════════════════════════════════════════
   FOOTER
══════════════════════════════════════════ */
.footer {
  background: var(--navy);
  border-top: 1px solid var(--navy-border);
  padding: 72px 0 32px;
  position: relative;
  overflow: hidden;
}
.footer-watermark {
  position: absolute;
  bottom: -30px; right: 40px;
  font-family: var(--font-h);
  font-size: 200px;
  font-weight: 900;
  color: rgba(255,255,255,0.02);
  letter-spacing: -.03em;
  user-select: none;
  pointer-events: none;
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 52px;
}
.footer-brand .footer-logo {
  font-family: var(--font-h);
  font-size: 20px;
  font-weight: 900;
  color: white;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.footer-brand .footer-logo .logo-mark {
  width: 30px; height: 30px;
  background: var(--blue);
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 900;
}
.footer-brand p { font-size: 13px; color: var(--text-dimmer); line-height: 1.7; max-width: 240px; }
.footer-col h4 { font-family: var(--font-h); font-size: 13px; font-weight: 800; color: white; letter-spacing: .04em; text-transform: uppercase; margin-bottom: 16px; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col ul a { font-size: 14px; color: var(--text-dimmer); transition: color .2s; }
.footer-col ul a:hover { color: var(--blue-light); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 28px;
  border-top: 1px solid var(--navy-border);
  flex-wrap: wrap;
  gap: 12px;
}
.footer-copy { font-size: 13px; color: var(--text-dimmer); }
.footer-legal { display: flex; gap: 20px; }
.footer-legal a { font-size: 13px; color: var(--text-dimmer); transition: color .2s; }
.footer-legal a:hover { color: var(--blue-light); }

/* ══════════════════════════════════════════
   SCROLL ANIMATIONS
══════════════════════════════════════════ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: .1s; }
.reveal-delay-2 { transition-delay: .2s; }
.reveal-delay-3 { transition-delay: .3s; }
.reveal-delay-4 { transition-delay: .4s; }
.reveal-delay-5 { transition-delay: .5s; }

/* ══════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════ */
@media (max-width: 1024px) {
  .feat-grid-3 { grid-template-columns: repeat(2,1fr); }
  .stats-grid  { grid-template-columns: repeat(2,1fr); }
  .footer-top  { grid-template-columns: 1fr 1fr; gap: 36px; }
  .testimonials-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .container { padding: 0 20px; }
  .section { padding: 60px 0; }
  .hero-dark { padding: 72px 0 64px; }
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .doors-grid { grid-template-columns: 1fr; }
  .feat-grid-3 { grid-template-columns: 1fr; }
  .feat-grid-2 { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2,1fr); }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .cta-box { padding: 36px 24px; }
  .hero-stats { gap: 20px; }
}

@media (max-width: 480px) {
  .hero-h1 { font-size: 34px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .hero-ctas { flex-direction: column; align-items: flex-start; }
}

/* faq-q / faq-a aliases (shorthand used in page HTML) */
.faq-q {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: 20px 24px;
  cursor: pointer;
  font-family: var(--font-h);
  font-size: 16px;
  font-weight: 700;
  color: var(--text-dark);
  background: none;
  border: none;
  text-align: left;
  gap: 16px;
  transition: background .2s;
  list-style: none;
}
.faq-q:hover { background: var(--gray-bg); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease;
  font-size: 15px;
  color: var(--text-body);
  line-height: 1.75;
  padding: 0 24px;
}
.faq-item.open .faq-a { max-height: 400px; padding: 0 24px 20px; }
.faq-icon { display: inline-flex; align-items: center; justify-content: center; width: 24px; height: 24px; position: relative; flex-shrink: 0; }
.faq-icon span { display: block; position: absolute; background: var(--blue); border-radius: 2px; }
.faq-icon span:first-child { width: 14px; height: 2px; }
.faq-icon span:last-child  { width: 2px; height: 14px; transition: transform .3s, opacity .3s; }
.faq-item.open .faq-icon span:last-child { transform: rotate(90deg); opacity: 0; }