/* ========== HVAC Premium — Theme Tokens ========== */

:root {
  --font-serif: "DM Serif Display", "Cormorant Garamond", Georgia, serif;
  --font-sans: "DM Sans", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "JetBrains Mono", "Fira Code", ui-monospace, monospace;

  --accent-cool: #00B4D8;
  --accent-warm: #F4A423;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;

  --section-pad: clamp(80px, 12vw, 160px);
  --container: 1280px;
  --gutter: clamp(20px, 4vw, 48px);

  /* DARK theme (default) */
  --bg: #0A0A0A;
  --bg-alt: #0E0E10;
  --surface: #161618;
  --surface-2: #1C1C1E;
  --border: #2A2A2C;
  --border-strong: #3A3A3C;
  --text: #FFFFFF;
  --text-muted: #A0A0A0;
  --text-faint: #606060;
  --noise-opacity: 0.04;
  --grid-opacity: 0.06;
  --hero-tint: #0F1A2A;
  --shadow-glow: 0 0 28px rgba(0, 180, 216, 0.18);
  --shadow-card: 0 24px 60px -30px rgba(0, 0, 0, 0.8);
  --logo-invert: 0;
}

[data-theme="light"] {
  --bg: #F5F4F0;
  --bg-alt: #EFEDE7;
  --surface: #FFFFFF;
  --surface-2: #F9F7F2;
  --border: #E2DFD7;
  --border-strong: #C9C5BA;
  --text: #1A1A1C;
  --text-muted: #6B6B6B;
  --text-faint: #9A9A9A;
  --noise-opacity: 0.025;
  --grid-opacity: 0.05;
  --hero-tint: #E8EFF5;
  --shadow-glow: 0 0 28px rgba(0, 140, 170, 0.18);
  --shadow-card: 0 18px 40px -24px rgba(20, 20, 30, 0.18);
  --logo-invert: 1;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  transition: background 0.4s ease, color 0.4s ease;
}

img, svg { display: block; max-width: 100%; }

a { color: inherit; text-decoration: none; }

button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }

::selection { background: var(--accent-cool); color: #0A0A0A; }

/* Typography */
.serif { font-family: var(--font-serif); font-weight: 400; letter-spacing: -0.01em; }
.mono { font-family: var(--font-mono); font-weight: 400; }

h1, h2, h3, h4 { font-family: var(--font-serif); font-weight: 400; letter-spacing: -0.015em; line-height: 1.1; }

.eyebrow {
  font-family: var(--font-sans);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-cool);
  font-weight: 500;
}

/* Container */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* Background noise + grid */
.bg-noise::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: var(--noise-opacity);
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='180' height='180'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  z-index: 0;
}

.bg-grid::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, currentColor 1px, transparent 1px),
    linear-gradient(to bottom, currentColor 1px, transparent 1px);
  background-size: 80px 80px;
  opacity: var(--grid-opacity);
  color: var(--text);
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
  z-index: 0;
}

/* Section labels */
.section-label {
  display: flex;
  align-items: baseline;
  gap: 28px;
  margin-bottom: 56px;
  position: relative;
  z-index: 2;
}

.section-label .num {
  font-family: var(--font-mono);
  font-size: clamp(80px, 11vw, 140px);
  line-height: 0.85;
  color: var(--text);
  opacity: 0.07;
  font-weight: 300;
  letter-spacing: -0.04em;
  user-select: none;
}

.section-label .title-block .kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.section-label .title-block h2 {
  font-size: clamp(32px, 4.5vw, 56px);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.01em;
  transition: all 0.25s ease;
  cursor: pointer;
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent-cool);
  color: #0A0A0A;
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 32px rgba(0, 180, 216, 0.4);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}

.btn-ghost:hover {
  border-color: var(--text);
  background: var(--surface);
}

.btn-warm {
  background: var(--accent-warm);
  color: #0A0A0A;
}

/* Sections */
section {
  position: relative;
  padding: var(--section-pad) 0;
}

/* Reveal on scroll */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}
.reveal[data-stagger="1"] { transition-delay: 0.08s; }
.reveal[data-stagger="2"] { transition-delay: 0.16s; }
.reveal[data-stagger="3"] { transition-delay: 0.24s; }
.reveal[data-stagger="4"] { transition-delay: 0.32s; }
.reveal[data-stagger="5"] { transition-delay: 0.40s; }
.reveal[data-stagger="6"] { transition-delay: 0.48s; }

/* ========== HEADER ========== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 72px;
  z-index: 1000;
  display: flex;
  align-items: center;
  transition: background 0.3s ease, border-color 0.3s ease, backdrop-filter 0.3s ease;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: color-mix(in oklab, var(--bg) 85%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--border);
}
.site-header .container {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-serif);
  font-size: 22px;
  letter-spacing: -0.02em;
}
.logo-mark {
  width: 28px; height: 28px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent-cool), var(--accent-warm));
  position: relative;
  flex-shrink: 0;
}
.logo-mark::after {
  content: "";
  position: absolute;
  inset: 6px;
  background: var(--bg);
  border-radius: 4px;
}
.logo-text { line-height: 1; }
.logo-text small {
  display: block;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.18em;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-top: 2px;
}

.nav-links {
  display: flex;
  gap: 32px;
  align-items: center;
}
.nav-links a {
  font-size: 14px;
  color: var(--text-muted);
  position: relative;
  padding: 6px 0;
  transition: color 0.2s ease;
}
.nav-links a:hover { color: var(--text); }
.nav-links a.active {
  color: var(--text);
}
.nav-links a.active::after {
  content: "";
  position: absolute;
  left: 0; right: 0;
  bottom: -10px;
  height: 2px;
  background: var(--accent-cool);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 20px;
}
.header-phone {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--text);
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  gap: 8px;
}
.header-phone .dot {
  width: 6px; height: 6px;
  background: var(--accent-cool);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
.header-phone .phone-ico {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: color-mix(in oklab, var(--accent-cool) 18%, transparent);
  color: var(--accent-cool);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.header-phone .phone-ico svg {
  animation: phoneRing 2.4s ease-in-out infinite;
  transform-origin: 50% 50%;
}
@keyframes phoneRing {
  0%, 60%, 100% { transform: rotate(0); }
  10% { transform: rotate(-12deg); }
  20% { transform: rotate(10deg); }
  30% { transform: rotate(-8deg); }
  40% { transform: rotate(6deg); }
  50% { transform: rotate(0); }
}
@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(0,180,216,0.6); }
  50% { opacity: 0.6; box-shadow: 0 0 0 6px rgba(0,180,216,0); }
}

.theme-toggle {
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 1.5px solid rgba(255,255,255,0.25);
  background: rgba(255,255,255,0.07);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text);
  transition: all 0.2s ease;
  flex-shrink: 0;
}
.theme-toggle:hover {
  background: rgba(255,255,255,0.15);
  border-color: var(--accent);
  color: var(--accent);
}

.hamburger {
  display: none;
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1px solid var(--border);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
}
.hamburger span {
  width: 16px; height: 1.5px;
  background: var(--text);
}

/* ========== HERO ========== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding-top: 100px;
  padding-bottom: 80px;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 40%, var(--hero-tint) 0%, transparent 70%),
    var(--bg);
  z-index: 0;
}
.hero .container {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 80px;
  align-items: center;
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 28px;
}
.hero-eyebrow .line {
  width: 40px; height: 1px;
  background: var(--accent-cool);
}

.hero h1 {
  font-size: clamp(44px, 6.4vw, 84px);
  line-height: 1.02;
  margin-bottom: 28px;
  letter-spacing: -0.025em;
}
.hero h1 .accent-warm-text { color: var(--accent-warm); font-style: italic; }

.hero-subtitle {
  font-size: clamp(17px, 1.5vw, 20px);
  color: var(--text-muted);
  max-width: 520px;
  line-height: 1.55;
  margin-bottom: 40px;
}

.hero-ctas {
  display: flex;
  gap: 14px;
  margin-bottom: 56px;
  flex-wrap: wrap;
}

.hero-trust {
  display: flex;
  gap: 32px;
  align-items: center;
  flex-wrap: wrap;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--text-muted);
}
.trust-item strong {
  color: var(--text);
  font-weight: 500;
  font-family: var(--font-sans);
}
.trust-icon {
  color: var(--accent-warm);
}
.trust-item:nth-child(2) .trust-icon { color: var(--accent-cool); }

/* Hero visual / spec card */
.hero-visual {
  position: relative;
  aspect-ratio: 4/5;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(135deg, var(--surface) 0%, var(--surface-2) 100%);
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
}
.hero-visual::before {
  content: "";
  position: absolute;
  top: -1px; right: -1px;
  width: 140px; height: 140px;
  background: radial-gradient(circle at top right, rgba(0,180,216,0.18), transparent 70%);
  pointer-events: none;
}

.spec-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
}
.spec-row .badge-live {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--accent-cool);
}
.spec-row .badge-live .dot {
  width: 6px; height: 6px;
  background: var(--accent-cool);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-cool);
}

.spec-display {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  position: relative;
  margin: 24px 0;
}
.spec-display .temp {
  font-family: var(--font-serif);
  font-size: clamp(80px, 12vw, 140px);
  line-height: 0.9;
  letter-spacing: -0.04em;
  color: var(--text);
  position: relative;
}
.spec-display .temp sup {
  font-size: 0.3em;
  font-family: var(--font-mono);
  color: var(--accent-cool);
  vertical-align: super;
  margin-left: 6px;
  letter-spacing: 0.05em;
}
.spec-display .label {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--text-muted);
  margin-top: 12px;
}
.spec-display .arc {
  position: absolute;
  inset: -10px;
  border-radius: 50%;
  background: conic-gradient(from 220deg, var(--accent-cool) 0deg, var(--accent-warm) 80deg, transparent 80deg);
  -webkit-mask: radial-gradient(circle, transparent 60%, black 61%, black 64%, transparent 65%);
          mask: radial-gradient(circle, transparent 60%, black 61%, black 64%, transparent 65%);
  opacity: 0.55;
}
.spec-display .arc.spinning {
  animation: arcSpin 14s linear infinite, arcPulse 3s ease-in-out infinite;
}
@keyframes arcSpin {
  to { transform: rotate(360deg); }
}
@keyframes arcPulse {
  0%, 100% { opacity: 0.45; }
  50% { opacity: 0.75; }
}

.spec-row .badge-live .dot {
  animation: liveDot 1.6s ease-in-out infinite;
}
@keyframes liveDot {
  0%, 100% { box-shadow: 0 0 0 0 rgba(0,180,216,0.55); transform: scale(1); }
  50% { box-shadow: 0 0 0 6px rgba(0,180,216,0); transform: scale(1.15); }
}

.live-flip {
  display: inline-block;
  animation: flip 0.5s ease-out;
  transform-origin: 50% 100%;
}
@keyframes flip {
  0% { opacity: 0; transform: translateY(-8px); filter: blur(4px); }
  100% { opacity: 1; transform: translateY(0); filter: blur(0); }
}

.hero-visual .wave-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  border-radius: var(--radius-xl);
  z-index: 0;
}
.hero-visual .wave-bg span {
  position: absolute;
  left: 50%;
  top: 38%;
  width: 280px;
  height: 280px;
  margin: -140px 0 0 -140px;
  border-radius: 50%;
  border: 1px solid var(--accent-cool);
  opacity: 0;
  animation: ripple 4s ease-out infinite;
}
.hero-visual .wave-bg span:nth-child(2) { animation-delay: 1.3s; }
.hero-visual .wave-bg span:nth-child(3) { animation-delay: 2.6s; }
@keyframes ripple {
  0% { transform: scale(0.4); opacity: 0; }
  20% { opacity: 0.35; }
  100% { transform: scale(1.8); opacity: 0; }
}
.hero-visual > *:not(.wave-bg) { position: relative; z-index: 1; }

.spec-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1px;
  background: var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border);
}
.spec-grid > div {
  background: var(--surface);
  padding: 14px 12px;
}
.spec-grid .k {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-muted);
  margin-bottom: 4px;
}
.spec-grid .v {
  font-family: var(--font-serif);
  font-size: 22px;
  color: var(--text);
}
.spec-grid .v small {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: 0.1em;
}

.scroll-cue {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--text-muted);
  text-transform: uppercase;
  z-index: 3;
}
.scroll-cue .line {
  width: 1px; height: 40px;
  background: linear-gradient(to bottom, transparent, var(--text-muted));
  animation: scrollLine 2s ease-in-out infinite;
}
@keyframes scrollLine {
  0%, 100% { transform: scaleY(1); transform-origin: top; }
  50% { transform: scaleY(0.4); transform-origin: top; }
}

/* ========== SERVICES ========== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.service-card {
  background: var(--bg);
  padding: 40px 36px;
  position: relative;
  transition: all 0.3s ease;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  min-height: 320px;
}
.service-card:hover {
  background: var(--surface);
  transform: translateY(-2px);
}
.service-card .icon {
  width: 48px; height: 48px;
  margin-bottom: 28px;
  color: var(--accent-cool);
  transition: transform 0.4s ease;
}
.service-card:nth-child(even) .icon { color: var(--accent-warm); }
.service-card:hover .icon { transform: scale(1.08) rotate(-3deg); }

.service-card .num {
  position: absolute;
  top: 24px; right: 28px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-faint);
  letter-spacing: 0.15em;
}
.service-card h3 {
  font-size: 28px;
  margin-bottom: 12px;
}
.service-card p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 24px;
  flex: 1;
}
.service-card .arrow-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--text);
  transition: gap 0.2s ease, color 0.2s ease;
}
.service-card:hover .arrow-link {
  color: var(--accent-cool);
  gap: 14px;
}
.service-card:nth-child(even):hover .arrow-link { color: var(--accent-warm); }

/* ========== PROCESS ========== */
.process-track {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
}
.process-track::before {
  content: "";
  position: absolute;
  top: 38px;
  left: 5%;
  right: 5%;
  height: 1px;
  background: repeating-linear-gradient(to right, var(--border) 0, var(--border) 8px, transparent 8px, transparent 16px);
}
.process-step {
  text-align: left;
  padding: 0 24px;
  position: relative;
}
.process-step .step-num {
  font-family: var(--font-serif);
  font-size: 56px;
  color: var(--accent-warm);
  line-height: 1;
  margin-bottom: 32px;
  position: relative;
  display: inline-block;
  background: var(--bg);
  padding-right: 16px;
}
.process-step:nth-child(odd) .step-num { color: var(--accent-cool); }
.process-step h4 {
  font-size: 22px;
  margin-bottom: 10px;
}
.process-step p {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.6;
}

/* ========== STATS / WHY ========== */
.why-section {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.why-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: start;
}
.why-grid .why-headline h2 {
  font-size: clamp(40px, 5.5vw, 72px);
  margin-bottom: 24px;
}
.why-grid .why-headline p {
  color: var(--text-muted);
  font-size: 17px;
  max-width: 380px;
  margin-bottom: 32px;
}
.why-feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.why-feature-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  color: var(--text-muted);
}
.why-feature-list li::before {
  content: "";
  width: 6px; height: 6px;
  background: var(--accent-cool);
  border-radius: 50%;
  flex-shrink: 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.stat-card {
  background: var(--bg-alt);
  padding: 40px 32px;
  position: relative;
  min-height: 200px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.stat-card .stat-num {
  font-family: var(--font-serif);
  font-size: clamp(56px, 7vw, 84px);
  line-height: 1;
  color: var(--accent-warm);
  letter-spacing: -0.04em;
}
.stat-card:nth-child(odd) .stat-num { color: var(--accent-cool); }
.stat-card .stat-num .unit {
  font-size: 0.4em;
  vertical-align: top;
  margin-left: 4px;
  font-family: var(--font-mono);
}
.stat-card .stat-label {
  margin-top: 24px;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.5;
}
.stat-card .stat-label strong {
  display: block;
  color: var(--text);
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 400;
  margin-bottom: 4px;
}

/* ========== TESTIMONIALS (Auto-scroll columns) ========== */
.t-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  height: 640px;
  position: relative;
  mask-image: linear-gradient(to bottom, transparent 0%, black 12%, black 88%, transparent 100%);
  -webkit-mask-image: linear-gradient(to bottom, transparent 0%, black 12%, black 88%, transparent 100%);
}
.t-col-mask {
  overflow: hidden;
  height: 100%;
  position: relative;
}
.t-col-track {
  display: flex;
  flex-direction: column;
  gap: 20px;
  animation-name: tColumnScroll;
  animation-timing-function: linear;
  animation-iteration-count: infinite;
  will-change: transform;
}
@keyframes tColumnScroll {
  0% { transform: translateY(0); }
  100% { transform: translateY(-50%); }
}
.t-grid:hover .t-col-track { animation-play-state: paused; }

.t-grid > div:nth-child(2) .t-col-track { animation-direction: reverse; }

.t-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 26px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  flex-shrink: 0;
  transition: border-color 0.25s ease, transform 0.25s ease;
}
.t-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
}
.t-quote {
  font-size: 15px;
  color: var(--text);
  line-height: 1.6;
}
.t-author {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.t-avatar {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, color-mix(in oklab, var(--accent-cool) 28%, var(--surface-2)), color-mix(in oklab, var(--accent-warm) 22%, var(--surface-2)));
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 15px;
  flex-shrink: 0;
  border: 1px solid var(--border);
}
.t-name {
  font-family: var(--font-serif);
  font-size: 15px;
  letter-spacing: -0.01em;
  line-height: 1.2;
}
.t-meta {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 2px;
}
.t-stars {
  margin-left: auto;
  color: var(--accent-warm);
  font-size: 12px;
  letter-spacing: 1px;
}
@media (max-width: 1024px) {
  .t-grid { grid-template-columns: repeat(2, 1fr); height: 580px; }
  .t-grid > div:nth-child(3) { display: none; }
}
@media (max-width: 768px) {
  .t-grid { grid-template-columns: 1fr; height: 520px; }
  .t-grid > div:nth-child(2) { display: none; }
}
.reviews-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 56px;
  gap: 32px;
  flex-wrap: wrap;
}
.google-badge {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}
.google-badge .stars {
  color: var(--accent-warm);
  letter-spacing: 1px;
  font-size: 13px;
}
.google-badge .rating {
  font-family: var(--font-serif);
  font-size: 22px;
}
.google-badge .meta {
  font-size: 12px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
}

.reviews-track {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.review-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  transition: all 0.3s ease;
}
.review-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-strong);
}
.review-card .quote-mark {
  font-family: var(--font-serif);
  font-size: 56px;
  color: var(--accent-cool);
  line-height: 0.5;
  height: 24px;
}
.review-card .quote {
  font-size: 16px;
  color: var(--text);
  line-height: 1.6;
  flex: 1;
}
.review-card .author {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.review-card .author-name {
  font-family: var(--font-serif);
  font-size: 17px;
}
.review-card .author-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 4px;
}
.review-card .author-stars {
  color: var(--accent-warm);
  font-size: 13px;
  letter-spacing: 1px;
}

/* ========== BRANDS ========== */
.brands-strip {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 56px 0;
  position: relative;
  overflow: hidden;
}
.brands-strip .label {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--text-muted);
  text-align: center;
  margin-bottom: 36px;
}
.brands-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 48px;
  flex-wrap: wrap;
}
.brand-logo {
  font-family: var(--font-serif);
  font-size: 24px;
  color: var(--text);
  opacity: 0.55;
  transition: opacity 0.3s ease;
  letter-spacing: -0.01em;
  white-space: nowrap;
}
.brand-logo:hover { opacity: 1; }
.brand-logo .sub {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.16em;
  color: var(--text-muted);
  display: block;
  text-transform: uppercase;
}

/* ========== CTA BANNER ========== */
.cta-banner {
  position: relative;
  overflow: hidden;
}
.cta-banner-inner {
  background:
    radial-gradient(ellipse at 20% 50%, rgba(0,180,216,0.18) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 50%, rgba(244,164,35,0.12) 0%, transparent 60%),
    var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: clamp(60px, 9vw, 120px) clamp(40px, 6vw, 80px);
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
}
.cta-banner h2 {
  font-size: clamp(36px, 5vw, 64px);
  line-height: 1.05;
  margin-bottom: 20px;
}
.cta-banner p {
  color: var(--text-muted);
  font-size: 17px;
  max-width: 460px;
}
.cta-banner-right {
  text-align: right;
}
.cta-phone {
  font-family: var(--font-serif);
  font-size: clamp(32px, 4vw, 48px);
  color: var(--text);
  display: block;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}
.cta-phone-label {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--text-muted);
  margin-bottom: 8px;
}

/* ========== FAQ ========== */
.faq-wrap {
  max-width: 880px;
  margin: 0 auto;
}
.faq-item {
  border-bottom: 1px solid var(--border);
}
.faq-q {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 28px 0;
  text-align: left;
  font-family: var(--font-sans);
  font-size: 18px;
  font-weight: 500;
  color: var(--text);
  transition: color 0.2s ease;
  gap: 24px;
}
.faq-q:hover { color: var(--accent-cool); }
.faq-q .toggle {
  width: 32px; height: 32px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 18px;
  color: var(--text-muted);
  transition: all 0.2s ease;
  font-family: var(--font-sans);
  font-weight: 300;
}
.faq-item.open .faq-q { color: var(--text); }
.faq-item.open .toggle {
  background: var(--accent-cool);
  border-color: var(--accent-cool);
  color: #0A0A0A;
}
.faq-a {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.4s ease;
}
.faq-item.open .faq-a {
  grid-template-rows: 1fr;
}
.faq-a > .faq-a-inner-wrap {
  overflow: hidden;
}
.faq-a-inner {
  padding: 0 0 28px 0;
  max-width: 720px;
  color: var(--text-muted);
  font-size: 16px;
  line-height: 1.7;
}

/* ========== FOOTER ========== */
.site-footer {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  padding: 100px 0 32px;
  position: relative;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 60px;
  margin-bottom: 80px;
}
.footer-col h5 {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--text-muted);
  margin-bottom: 20px;
  font-weight: 400;
}
.footer-about-text {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.7;
  margin: 20px 0 24px;
  max-width: 320px;
}
.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-col ul a {
  font-size: 14px;
  color: var(--text-muted);
  transition: color 0.2s ease;
}
.footer-col ul a:hover { color: var(--text); }
.footer-contact {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
}
.footer-contact strong {
  color: var(--text);
  font-weight: 500;
  display: block;
  margin-bottom: 4px;
}
.footer-contact .field { margin-bottom: 16px; }
.socials {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}
.socials a {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: all 0.2s ease;
}
.socials a:hover {
  color: var(--text);
  border-color: var(--text);
}
.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}
.footer-bottom a:hover { color: var(--text); }

/* ========== Responsive ========== */
@media (max-width: 1024px) {
  .hero .container { grid-template-columns: 1fr; gap: 60px; }
  .hero-visual { max-width: 460px; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: 1fr; gap: 48px; }
  .reviews-track { grid-template-columns: 1fr 1fr; }
  .cta-banner-inner { grid-template-columns: 1fr; gap: 40px; }
  .cta-banner-right { text-align: left; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 48px; }
}

/* Mobile nav overlay */
.mobile-nav {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 16px 24px 24px;
  gap: 4px;
  z-index: 99;
}
.mobile-nav a {
  padding: 12px 8px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  border-bottom: 1px solid var(--border);
  text-decoration: none;
}
.mobile-nav a.active { color: var(--accent-cool); }
.mobile-nav .btn { margin-top: 12px; text-align: center; width: 100%; }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 768px) {
  .nav-links, .header-phone { display: none; }
  .hamburger { display: flex; }
  .services-grid { grid-template-columns: 1fr; }
  .process-track { grid-template-columns: 1fr; gap: 40px; }
  .process-track::before { display: none; }
  .stats-grid { grid-template-columns: 1fr; }
  .reviews-track { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 12px; }
  .section-label { gap: 16px; flex-direction: column; align-items: flex-start; margin-bottom: 40px; }
  .section-label .num { font-size: 80px; }
  .hero-trust { gap: 20px; }
}