/* ================================================================
   FLO VENT AIR — Premium Industrial Design System
   Palette: Navy #0A1420 / Charcoal #1A232E / White / Warm gray / Orange #F2600C
   Corners: SHARP (industrial). Font: Barlow (unified).
   ================================================================ */

:root {
  --navy: #0A1420;
  --navy-2: #0E1B2B;
  --charcoal: #1A232E;
  --steel: #8FA3B5;
  --steel-dark: #5A6B7C;
  --warm-gray: #EDEAE4;
  --paper: #F7F5F1;
  --white: #FFFFFF;
  --orange: #F2600C;
  --orange-dark: #C94E08;
  --line: rgba(143, 163, 181, 0.22);
  --line-light: rgba(10, 20, 32, 0.12);
  --font-display: 'Barlow', Arial, sans-serif;
  --font-body: 'Barlow', Arial, sans-serif;
  --shadow-card: 0 20px 50px rgba(6, 14, 24, 0.35);
  --shadow-soft: 0 10px 30px rgba(6, 14, 24, 0.12);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--navy);
  color: var(--navy);
  line-height: 1.6;
  font-size: 16px;
  overflow-x: hidden;
}

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

.container { max-width: 1240px; margin: 0 auto; padding: 0 24px; }

h1, h2, h3 { font-family: var(--font-display); font-weight: 700; line-height: 1.02; letter-spacing: -0.015em; text-transform: uppercase; }

.accent { color: var(--orange); }

.eyebrow {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--orange);
  margin-bottom: 16px;
}
.eyebrow.light { color: var(--orange); }

.btn {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 16px 32px;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
}
.btn:active { transform: translateY(1px); }

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

.btn-ghost { background: transparent; color: var(--white); border-color: rgba(255,255,255,0.5); }
.btn-ghost:hover { border-color: var(--orange); color: var(--orange); }

.btn-outline { background: transparent; color: var(--navy); border-color: var(--navy); }
.btn-outline:hover { background: var(--navy); color: var(--white); }

.btn-outline-sm { background: transparent; color: var(--navy); border-color: var(--navy); padding: 11px 20px; font-size: 0.75rem; }
.btn-outline-sm:hover { background: var(--orange); border-color: var(--orange); color: var(--white); }

.btn-ghost-sm { background: transparent; color: var(--white); border-color: rgba(255,255,255,0.5); padding: 11px 20px; font-size: 0.75rem; }
.btn-ghost-sm:hover { border-color: var(--orange); color: var(--orange); }

.btn-block { width: 100%; text-align: center; }

/* ============ HEADER ============ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  transition: background 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(10, 20, 32, 0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 6px 24px rgba(4, 10, 18, 0.4);
}
.header-inner {
  max-width: 1360px;
  margin: 0 auto;
  padding: 0 24px;
  height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  min-width: 0;
  overflow: hidden;
}
.brand-mark { flex-shrink: 0; }
.brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.08em;
  color: var(--white);
  white-space: nowrap;
}
.brand-name em { font-style: normal; color: var(--orange); }

.fan-spin { transform-origin: 20px 20px; animation: fan-rotate 6s linear infinite; }
@keyframes fan-rotate { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

.main-nav { display: flex; align-items: center; gap: 34px; }
.main-nav a {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  position: relative;
  padding: 6px 0;
  transition: color 0.2s ease;
}
.main-nav a::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 2px;
  background: var(--orange);
  transition: width 0.25s ease;
}
.main-nav a:hover { color: var(--white); }
.main-nav a:hover::after { width: 100%; }
.main-nav .nav-cta {
  background: var(--orange);
  color: var(--white) !important;
  padding: 12px 22px;
}
.main-nav .nav-cta::after { display: none; }
.main-nav .nav-cta:hover { background: var(--orange-dark); }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 6px;
  padding: 10px;
  flex-shrink: 0;
  position: relative;
  z-index: 120;
}
.nav-toggle span {
  display: block;
  width: 26px; height: 2px;
  background: var(--white);
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ============ HERO ============ */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-img {
  width: 100%; height: 100%;
  object-fit: cover;
  will-change: transform;
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to right, rgba(10,20,32,0.88) 0%, rgba(10,20,32,0.62) 55%, rgba(10,20,32,0.35) 100%),
              linear-gradient(to bottom, rgba(10,20,32,0.35) 0%, rgba(10,20,32,0) 30%, rgba(10,20,32,0.65) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1360px;
  margin: 0 auto;
  padding: 120px 24px 90px;
  width: 100%;
}
.hero-kicker {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.3em;
  color: var(--orange);
  margin-bottom: 22px;
}
.hero h1 {
  font-size: clamp(2.6rem, 7.2vw, 5.6rem);
  color: var(--white);
  max-width: 14ch;
  text-shadow: 0 4px 30px rgba(4, 10, 18, 0.5);
}
.hero h1 .accent { text-shadow: 0 4px 30px rgba(242, 96, 12, 0.35); }
.hero-sub {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: 0.01em;
  line-height: 1.55;
  color: rgba(255,255,255,0.88);
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  max-width: 46ch;
  margin: 26px 0 36px;
}
.hero-ctas { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-specs {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  margin-top: 54px;
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: rgba(255,255,255,0.72);
}
.hero-specs i { width: 26px; height: 1px; background: rgba(255,255,255,0.35); }

.scroll-indicator {
  position: absolute;
  bottom: 30px; left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  width: 26px; height: 44px;
  border: 1px solid rgba(255,255,255,0.55);
  border-radius: 0;
}
.scroll-indicator span {
  position: absolute;
  top: 8px; left: 50%;
  width: 3px; height: 9px;
  margin-left: -1.5px;
  background: var(--orange);
  animation: scroll-drop 1.8s ease-in-out infinite;
}
@keyframes scroll-drop {
  0% { opacity: 1; transform: translateY(0); }
  70% { opacity: 0; transform: translateY(16px); }
  100% { opacity: 0; transform: translateY(0); }
}

/* ============ TRUST BAR ============ */
.trust-bar {
  background: var(--charcoal);
  border-bottom: 1px solid var(--line);
  position: relative;
  z-index: 3;
}
.trust-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  padding-top: 30px;
  padding-bottom: 30px;
}
.trust-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 6px 18px;
  border-left: 2px solid var(--orange);
}
.trust-item .trust-num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--white);
  letter-spacing: 0.04em;
}
.trust-item span:last-child {
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--steel);
}

/* ============ SECTIONS (SHARED) ============ */
.section { padding: 110px 0; }
.section-head { max-width: 780px; margin-bottom: 60px; }
.section-head.light h2, .section-head.light .section-sub { color: var(--white); }
.section-head h2 { font-size: clamp(2rem, 4.4vw, 3.4rem); margin-bottom: 20px; }
.section-sub { font-size: 1.05rem; color: var(--steel-dark); margin: 0 auto; }

/* ============ PRODUCTS ============ */
.products { background: var(--paper); }
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.product-card {
  position: relative;
  background: #0f1e2e;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-left: 3px solid var(--orange);
  box-shadow: 0 4px 32px rgba(0, 0, 0, 0.35);
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.product-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--orange);
  z-index: 1;
}
.product-card:hover { transform: translateY(-6px); box-shadow: 0 12px 44px rgba(242, 96, 12, 0.25); }
.product-visual {
  background: linear-gradient(160deg, #F2F0EB 0%, #E5E2DB 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 34px;
  overflow: hidden;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.product-visual img {
  transition: transform 0.5s ease;
}
.product-card:hover .product-visual img { transform: scale(1.07); }
.product-body {
  padding: 30px 28px 28px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.product-tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.24em;
  color: var(--orange);
  background: rgba(242, 96, 12, 0.14);
  border: 1px solid rgba(242, 96, 12, 0.35);
  padding: 5px 12px 4px;
  border-radius: 999px;
  margin-bottom: 14px;
  width: fit-content;
}
.product-body h3 { font-size: 1.6rem; font-weight: 800; color: #fff; margin-bottom: 12px; }
.product-desc { font-size: 0.94rem; color: rgba(255, 255, 255, 0.72); margin-bottom: 22px; flex: 1; }
.product-specs { border-top: 1px solid rgba(255, 255, 255, 0.1); margin-bottom: 22px; }
.spec-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line-light);
  font-size: 0.85rem;
}
.spec-row span { color: rgba(255, 255, 255, 0.55); letter-spacing: 0.06em; text-transform: uppercase; font-size: 0.72rem; padding-top: 2px; }
.spec-row strong { text-align: right; color: #fff; font-weight: 600; }
.spec-row a { color: #fff; }
.product-specs .spec-row { border-bottom: 1px solid rgba(255, 255, 255, 0.1); }
.product-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.product-price {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: #FF8A3D;
}
.products-note { text-align: center; margin-top: 44px; color: var(--steel-dark); font-size: 0.95rem; }
.products-note a { color: var(--orange); font-weight: 600; text-decoration: none; }
.products-note a:hover { text-decoration: underline; }

/* ============ FAN FINDER ============ */
.fanfinder { background: var(--navy-2); }
.fanfinder-inner { max-width: 880px; margin: 0 auto; }
.finder {
  background: var(--charcoal);
  border: 1px solid var(--line);
  padding: 44px 40px 40px;
  position: relative;
}
.finder-label {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.14em;
  font-size: 0.95rem;
  color: var(--white);
  margin-bottom: 24px;
}
.step-num { color: var(--orange); margin-right: 12px; }
.finder-opts { display: flex; flex-wrap: wrap; gap: 12px; }
.finder-opts button {
  font-family: var(--font-display);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  padding: 13px 22px;
  background: transparent;
  color: rgba(255,255,255,0.85);
  border: 1px solid rgba(255,255,255,0.35);
  cursor: pointer;
  transition: all 0.2s ease;
}
.finder-opts button:hover { border-color: var(--orange); color: var(--orange); }
.finder-opts button.selected { background: var(--orange); border-color: var(--orange); color: var(--white); }
.finder-result { text-align: center; padding: 10px 0; }
.finder-verdict {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.4rem, 3vw, 2rem);
  color: var(--orange);
  margin-bottom: 14px;
  text-transform: uppercase;
}
.finder-detail { color: rgba(255,255,255,0.85); max-width: 52ch; margin: 0 auto 30px; }
.finder-actions { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
.finder-progress {
  margin-top: 36px;
  height: 3px;
  background: rgba(255,255,255,0.12);
}
.finder-progress span {
  display: block;
  height: 100%;
  width: 0;
  background: var(--orange);
  transition: width 0.4s ease;
}

/* ============ APPLICATIONS ============ */
.applications { background: var(--navy); }
.app-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4px;
}
.app-tile {
  position: relative;
  overflow: hidden;
  aspect-ratio: 5 / 4;
  display: block;
  background: var(--charcoal);
}
.app-tile img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease, filter 0.6s ease;
  filter: saturate(0.75) brightness(0.85);
}
.app-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(10,20,32,0.85) 0%, rgba(10,20,32,0.15) 55%, rgba(10,20,32,0) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
  transition: background 0.4s ease;
}
.app-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.08em;
  color: var(--white);
  text-transform: uppercase;
}
.app-cta {
  font-family: var(--font-display);
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  color: var(--orange);
  margin-top: 8px;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.35s ease, transform 0.35s ease;
}
.app-tile:hover img, .app-tile:focus img { transform: scale(1.06); filter: saturate(1) brightness(0.95); }
.app-tile:hover .app-overlay, .app-tile:focus .app-overlay { background: linear-gradient(to top, rgba(10,20,32,0.92) 0%, rgba(10,20,32,0.3) 60%, rgba(10,20,32,0.1) 100%); }
.app-tile:hover .app-cta, .app-tile:focus .app-cta { opacity: 1; transform: translateY(0); }

/* ============ FLO DIFFERENCE ============ */
.difference { background: var(--charcoal); }
.diff-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.diff-card {
  background: var(--charcoal);
  padding: 36px 30px;
  transition: background 0.3s ease;
}
.diff-card:hover { background: #202C3A; }
.diff-card h3 {
  font-size: 1rem;
  letter-spacing: 0.08em;
  color: var(--white);
  margin-bottom: 14px;
  padding-top: 14px;
  border-top: 2px solid var(--orange);
  display: inline-block;
}
.diff-card p { font-size: 0.9rem; color: var(--steel); }

/* ============ TECHNICAL PERFORMANCE ============ */
.tech {
  position: relative;
  background: #060e18;
  overflow: hidden;
}
.tech::before {
  content: "";
  position: absolute;
  top: 40%;
  left: 50%;
  width: 900px;
  height: 600px;
  transform: translate(-50%, -50%);
  background: radial-gradient(ellipse at center, rgba(242, 96, 12, 0.16) 0%, rgba(242, 96, 12, 0) 65%);
  pointer-events: none;
}
.tech .container { position: relative; z-index: 1; }
.tech-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 30px;
}
.tech-stat {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(242, 96, 12, 0.2);
  padding: 2.5rem 2rem;
  text-align: left;
  transition: border-color 0.3s ease, transform 0.3s ease;
}
.tech-stat:hover { border-color: rgba(242, 96, 12, 0.55); transform: translateY(-4px); }
.tech-value {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.4rem, 4.5vw, 3.6rem);
  color: #fff;
  letter-spacing: -0.02em;
  white-space: nowrap;
  margin-bottom: 16px;
}
.tech-value::after {
  content: "";
  display: block;
  width: 40px;
  height: 3px;
  background: var(--orange);
  margin-top: 14px;
}
.counter-affix {
  font-size: 0.38em;
  font-weight: 700;
  letter-spacing: 0.04em;
  vertical-align: baseline;
}
.tech-label { font-size: 0.88rem; color: rgba(255, 255, 255, 0.75); }
.tech-footnote { font-size: 0.8rem; color: rgba(255, 255, 255, 0.55); max-width: 72ch; }

/* ============ MEET FLO ============ */
.flo {
  background:
    radial-gradient(ellipse at 20% 50%, rgba(255,102,0,0.08) 0%, transparent 60%),
    linear-gradient(160deg, #050B14 0%, var(--navy-2) 100%);
}
.flo-inner {
  display: grid;
  grid-template-columns: 420px 1fr;
  gap: 70px;
  align-items: center;
}
.flo-visual { position: relative; max-width: 420px; }
.flo-visual img { width: 100%; box-shadow: 0 0 0 2px var(--orange), 0 20px 60px rgba(255,102,0,0.25); }
.flo-tag {
  position: absolute;
  bottom: -1px; left: -1px;
  background: var(--orange);
  color: var(--white);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  padding: 16px 24px;
}
.flo-copy .eyebrow { position: relative; width: fit-content; padding-top: 18px; margin-bottom: 18px; }
.flo-copy .eyebrow::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 48px;
  height: 3px;
  background: var(--orange);
}
.flo-copy h2 { font-size: clamp(2.6rem, 5vw, 4rem); letter-spacing: -0.02em; color: var(--white); margin-bottom: 24px; }
.flo-lede { font-size: 1.15rem; color: var(--white); font-weight: 500; margin-bottom: 16px; }
.flo-copy p { color: var(--steel); margin-bottom: 16px; max-width: 56ch; }
.flo .btn-outline { color: var(--white); border-color: rgba(255,255,255,0.8); font-weight: 600; }
.flo .btn-outline:hover { background: var(--orange); border-color: var(--orange); color: var(--white); }
.flo-motto {
  font-family: var(--font-display);
  color: var(--orange) !important;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: 30px !important;
}

/* ============ CASE STUDIES ============ */
.cases { background: var(--paper); }
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.case-card {
  background: var(--white);
  border: 1px dashed rgba(10,20,32,0.3);
  padding: 32px 28px;
  position: relative;
}
.case-slot {
  font-family: var(--font-display);
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--orange);
  margin-bottom: 14px;
}
.case-card h3 { font-size: 1.15rem; margin-bottom: 18px; color: rgba(10,20,32,0.55); }
.case-card dl { margin-bottom: 22px; }
.case-card dt {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--steel-dark);
  text-transform: uppercase;
  padding-top: 10px;
  border-top: 1px solid var(--line-light);
}
.case-card dd { color: rgba(10,20,32,0.4); font-size: 0.9rem; padding-bottom: 4px; }
.case-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  background: var(--warm-gray);
  color: var(--steel-dark);
  padding: 8px 14px;
}

/* ============ RESOURCES ============ */
.resources { background: var(--navy); }
.res-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.res-card {
  background: var(--charcoal);
  border: 1px solid var(--line);
  border-top: 3px solid var(--orange);
  padding: 30px 26px;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease;
}
.res-card:hover { transform: translateY(-4px); }
.res-card h3 { font-size: 0.95rem; letter-spacing: 0.1em; color: var(--white); margin-bottom: 18px; }
.res-card ul { list-style: none; margin-bottom: 26px; flex: 1; }
.res-card li {
  color: var(--steel);
  font-size: 0.88rem;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
}
.res-card .btn { margin-top: auto; text-align: center; }
.res-card .btn-outline-sm { background: rgba(255,255,255,0.06); color: var(--white); border-color: rgba(255,255,255,0.7); font-weight: 600; }
.res-card .btn-outline-sm:hover { background: var(--orange); border-color: var(--orange); color: var(--white); }

/* ============ CERTIFICATIONS ============ */
.certs { background: var(--charcoal); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 70px 0; }
.certs-inner { text-align: center; }
.certs-inner .eyebrow { margin-bottom: 30px; }
.cert-row { display: flex; justify-content: center; gap: 60px; margin-bottom: 26px; flex-wrap: wrap; }
.cert { display: flex; align-items: center; gap: 18px; }
.cert-mark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 2rem;
  color: var(--white);
  border: 2px solid var(--orange);
  padding: 16px 26px;
  letter-spacing: 0.06em;
}
.cert-name { font-size: 0.85rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--steel); }
.certs-note { color: var(--steel); font-size: 0.9rem; }

/* ============ ABOUT ============ */
.about { background: var(--paper); }
.about-inner {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 70px;
  align-items: start;
}
.about-copy h2 { font-size: clamp(2rem, 4vw, 3.2rem); margin-bottom: 26px; }
.about-copy p { color: var(--steel-dark); margin-bottom: 18px; max-width: 60ch; }
.about-copy strong { color: var(--navy); }
.about-panel { display: flex; flex-direction: column; }
.about-fact {
  padding: 24px 26px;
  border-bottom: 1px solid var(--line-light);
  border-left: 3px solid var(--orange);
  background: var(--white);
}
.about-fact span {
  display: block;
  font-family: var(--font-display);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--orange);
  margin-bottom: 6px;
}
.about-fact strong { color: var(--navy); font-size: 0.98rem; }

/* ============ QUOTE ============ */
.quote { background: var(--navy-2); }
.quote-inner {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 70px;
  align-items: start;
}
.quote-copy h2 { font-size: clamp(2rem, 4vw, 3.2rem); color: var(--white); margin-bottom: 24px; }
.quote-lede { color: var(--steel); margin-bottom: 12px; max-width: 44ch; }
.quote-help {
  font-family: var(--font-display);
  color: var(--orange);
  font-weight: 600;
  margin-bottom: 34px;
}
.quote-contact { display: flex; flex-direction: column; gap: 10px; }
.quote-contact-item {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.2rem;
  color: var(--white);
  text-decoration: none;
  letter-spacing: 0.03em;
  transition: color 0.2s ease;
}
.quote-contact-item:hover { color: var(--orange); }
.quote-form-wrap { background: var(--white); padding: 44px 40px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-field { margin-bottom: 18px; }
.form-field label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--navy);
  margin-bottom: 8px;
}
.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 13px 14px;
  border: 1px solid rgba(10,20,32,0.25);
  background: var(--paper);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--navy);
  border-radius: 0;
  transition: border-color 0.2s ease;
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus { outline: none; border-color: var(--orange); }
.form-field textarea { resize: vertical; }
.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.form-status { margin-top: 14px; font-size: 0.9rem; font-weight: 600; min-height: 1.4em; }
.form-status.ok { color: #1E7A3C; }
.form-status.err { color: var(--orange-dark); }
.form-fineprint { margin-top: 14px; font-size: 0.78rem; color: var(--steel-dark); }

/* ============ SUPPORT STRIP ============ */
.support-strip { background: var(--orange); }
.support-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  padding-top: 54px;
  padding-bottom: 54px;
  flex-wrap: wrap;
}
.support-inner h2 { color: var(--white); font-size: clamp(1.4rem, 3vw, 2.1rem); margin-bottom: 8px; }
.support-inner p { color: rgba(255,255,255,0.92); }
.support-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.support-actions .btn-orange { background: var(--navy); }
.support-actions .btn-orange:hover { background: var(--charcoal); }
.support-actions .btn-ghost { border-color: rgba(255,255,255,0.7); color: var(--white); }
.support-actions .btn-ghost:hover { border-color: var(--navy); color: var(--navy); }

/* ============ FOOTER ============ */
.site-footer { background: var(--navy); border-top: 1px solid var(--line); }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 50px;
  padding-top: 70px;
  padding-bottom: 50px;
}
.footer-tag { color: var(--steel); font-size: 0.88rem; margin: 18px 0 22px; max-width: 34ch; }
.footer-contact { font-size: 0.95rem; line-height: 2; }
.footer-contact a { color: var(--white); text-decoration: none; }
.footer-contact a:hover { color: var(--orange); }
.footer-col h4 {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--orange);
  margin-bottom: 20px;
}
.footer-col a {
  display: block;
  color: var(--steel);
  text-decoration: none;
  font-size: 0.9rem;
  padding: 6px 0;
  transition: color 0.2s ease, padding-left 0.2s ease;
}
.footer-col a:hover { color: var(--white); padding-left: 6px; }
.footer-bottom {
  border-top: 1px solid var(--line);
  padding: 22px 0;
}
.footer-bottom .container { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.footer-bottom p { color: var(--steel-dark); font-size: 0.82rem; }
.footer-credit a { color: var(--steel); text-decoration: none; border-bottom: 1px solid var(--orange); transition: color 0.2s ease; }
.footer-credit a:hover { color: var(--orange); }

/* ============ REVEAL ANIMATION ============ */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .fan-spin { animation: none; }
  html { scroll-behavior: auto; }
}

/* ============ RESPONSIVE ============ */
@media (max-width: 1080px) {
  .app-grid { grid-template-columns: repeat(3, 1fr); }
  .diff-grid { grid-template-columns: repeat(2, 1fr); }
  .tech-grid { grid-template-columns: repeat(2, 1fr); }
  .res-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
}

@media (max-width: 900px) {
  .product-grid { grid-template-columns: 1fr; max-width: 520px; margin: 0 auto; }
  .flo-inner { grid-template-columns: 1fr; gap: 50px; }
  .flo-visual { max-width: 340px; }
  .about-inner { grid-template-columns: 1fr; gap: 40px; }
  .quote-inner { grid-template-columns: 1fr; gap: 44px; }
  .case-grid { grid-template-columns: 1fr; max-width: 520px; margin: 0 auto; }
  .trust-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .trust-item:last-child { grid-column: span 2; }
}

@media (max-width: 860px) {
  .nav-toggle { display: flex; }
  .main-nav {
    position: fixed;
    top: 0; right: 0; bottom: 0;
    width: min(340px, 85vw);
    background: var(--navy-2);
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    padding: 110px 36px 40px;
    gap: 8px;
    transform: translateX(100%);
    transition: transform 0.35s ease;
    z-index: 110;
    box-shadow: -20px 0 60px rgba(4,10,18,0.5);
  }
  .main-nav.open { transform: translateX(0); }
  .main-nav a { font-size: 1.05rem; padding: 12px 0; width: 100%; border-bottom: 1px solid var(--line); }
  .main-nav .nav-cta { margin-top: 20px; text-align: center; border-bottom: none; }
  .site-header.scrolled .main-nav { background: var(--navy-2); }
}

@media (max-width: 640px) {
  .section { padding: 76px 0; }
  .app-grid { grid-template-columns: repeat(2, 1fr); }
  .app-tile { aspect-ratio: 4 / 3; }
  .diff-grid { grid-template-columns: 1fr; }
  .res-grid { grid-template-columns: 1fr; }
  .finder { padding: 32px 22px; }
  .quote-form-wrap { padding: 32px 22px; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .trust-grid { grid-template-columns: 1fr; }
  .trust-item:last-child { grid-column: span 1; }
  .hero-content { padding-top: 130px; }
  .footer-grid { grid-template-columns: 1fr; gap: 34px; }
  .footer-bottom .container { flex-direction: column; align-items: flex-start; }
  .cert-row { gap: 28px; flex-direction: column; align-items: center; }
  .tech-grid { grid-template-columns: 1fr; }
}