:root {
  --bg: #eef2f4;
  --bg-deep: #081f28;
  --ink: #0d242c;
  --muted: #5a6f78;
  --ice: #8ed9ea;
  --ice-deep: #1598b3;
  --copper: #b8895a;
  --copper-soft: #dcc4a3;
  --gold: #c4a574;
  --gold-soft: #e8d5b5;
  --paper: rgba(255, 255, 255, 0.82);
  --line: rgba(8, 31, 40, 0.1);
  --line-strong: rgba(8, 31, 40, 0.16);
  --shadow: 0 28px 70px rgba(8, 31, 40, 0.12);
  --shadow-soft: 0 12px 40px rgba(8, 31, 40, 0.08);
  --radius: 20px;
  --radius-lg: 28px;
  --font-display: "Peyda", "Vazirmatn", sans-serif;
  --font-body: "Vazirmatn", sans-serif;
  --wrap: min(1140px, calc(100% - 3rem));
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(1100px 520px at 8% -8%, rgba(142, 217, 234, 0.22), transparent 58%),
    radial-gradient(800px 480px at 100% 0%, rgba(196, 165, 116, 0.1), transparent 52%),
    linear-gradient(180deg, #f7f9fa 0%, var(--bg) 32%, #f5f8f9 100%);
  line-height: 1.75;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

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

.wrap {
  width: var(--wrap);
  margin-inline: auto;
}

.ambient {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  overflow: hidden;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(56px);
  opacity: 0.32;
  animation: drift 18s ease-in-out infinite;
}

.orb-a {
  width: 320px;
  height: 320px;
  background: #a8dce8;
  top: 8%;
  right: -80px;
}

.orb-b {
  width: 260px;
  height: 260px;
  background: #dcc4a3;
  bottom: 14%;
  left: -60px;
  animation-delay: -6s;
}

.frost {
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  opacity: 0.28;
}

@keyframes drift {
  0%,
  100% {
    transform: translate3d(0, 0, 0);
  }
  50% {
    transform: translate3d(-24px, 18px, 0);
  }
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(20px) saturate(1.35);
  background: rgba(255, 255, 255, 0.72);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease, background 0.3s ease, box-shadow 0.3s ease;
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 8px 32px rgba(8, 31, 40, 0.06);
  backdrop-filter: blur(20px) saturate(1.35);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 1rem;
  min-height: 4.75rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-left: auto;
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  direction: ltr;
  flex-shrink: 0;
  font-size: 1.35rem;
  line-height: 1;
}

.brand-title {
  display: flex;
  align-items: center;
  min-height: 1.35rem;
  margin: 0;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1;
  color: var(--bg-deep);
}

.brand-name {
  font-family: var(--font-display);
  font-size: 1em;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--bg-deep);
  line-height: 1;
}

.brand-t {
  color: var(--ice-deep);
}

.brand-theta {
  display: grid;
  place-items: center;
  width: 0.98em;
  height: 0.98em;
  border-radius: 0.2em;
  background: linear-gradient(155deg, var(--bg-deep) 0%, #143845 55%, #0f2f3a 100%);
  color: #dff6fc;
  box-shadow:
    0 6px 16px rgba(12, 42, 54, 0.18),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
  transition: transform 0.35s ease, box-shadow 0.35s ease;
  flex-shrink: 0;
}

.brand-theta-glyph {
  display: block;
  font-family: "Times New Roman", Georgia, "Noto Serif", serif;
  font-size: 0.76em;
  font-weight: 600;
  line-height: 1;
  transform: scale(1.14);
  transform-origin: center;
}

.brand-lockup--hero {
  font-size: clamp(2rem, 4.5vw, 3rem);
}

.brand-lockup--hero .brand-name {
  font-size: 1em;
}

.brand-lockup--hero .brand-theta {
  width: 0.98em;
  height: 0.98em;
  border-radius: 0.2em;
}

.brand-lockup--hero .brand-theta-glyph {
  font-size: 0.76em;
  transform: scale(1.14);
}

.nav {
  display: flex;
  gap: 1.75rem;
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--muted);
}

.nav a:hover {
  color: var(--ink);
}

.header-cta {
  margin-right: 0.25rem;
}

.nav-toggle {
  display: none;
  width: 2.5rem;
  height: 2.5rem;
  border: 0;
  background: transparent;
  padding: 0.55rem;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 2px;
  margin: 6px 0;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.25s ease;
}

.nav-toggle[aria-expanded="true"] span:first-child {
  transform: translateY(4px) rotate(-45deg);
}

.nav-toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-4px) rotate(45deg);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  border: 0;
  border-radius: 999px;
  padding: 0.9rem 1.5rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.92rem;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, border-color 0.25s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-sm {
  padding: 0.62rem 1.15rem;
  font-size: 0.82rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--bg-deep) 0%, #123845 55%, #165061 100%);
  color: #f4fbfd;
  box-shadow:
    0 14px 32px rgba(8, 31, 40, 0.22),
    inset 0 1px 0 rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.btn-primary:hover {
  box-shadow:
    0 18px 38px rgba(8, 31, 40, 0.28),
    inset 0 1px 0 rgba(255, 255, 255, 0.16);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.72);
  color: var(--ink);
  border: 1px solid var(--line-strong);
  box-shadow: 0 4px 16px rgba(8, 31, 40, 0.04);
}

.btn-ghost:hover {
  background: #fff;
  border-color: rgba(8, 31, 40, 0.2);
}

/* Hero */
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 2rem;
  align-items: center;
}

.hero {
  position: relative;
  min-height: calc(100svh - 4.75rem);
  display: flex;
  align-items: center;
  padding: 3rem 0 4.5rem;
}

.hero-eyebrow {
  margin: 0 0 1rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
}

.hero-eyebrow::before {
  content: "";
  display: inline-block;
  width: 1.75rem;
  height: 1px;
  background: linear-gradient(90deg, var(--gold), transparent);
  vertical-align: middle;
  margin-left: 0.65rem;
  opacity: 0.85;
}

.brand-hero {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.55rem;
  margin: 0 0 1.1rem;
}

.brand-hero-sub {
  font-family: var(--font-body);
  font-size: clamp(0.95rem, 2vw, 1.05rem);
  font-weight: 500;
  color: var(--muted);
  letter-spacing: 0.06em;
}

@media (hover: hover) {
  .brand-hero .brand-lockup--hero {
    transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
  }

  .brand-hero .brand-theta {
    transition:
      transform 0.5s cubic-bezier(0.22, 1, 0.36, 1),
      box-shadow 0.5s ease;
  }

  .brand-hero .brand-t {
    transition: color 0.4s ease, text-shadow 0.4s ease;
  }

  .brand-hero .brand-hero-sub {
    transition: color 0.4s ease;
  }

  .brand-hero:hover .brand-lockup--hero {
    transform: translateY(-5px);
  }

  .brand-hero:hover .brand-theta {
    transform: translateY(-2px) rotate(-7deg) scale(1.07);
    box-shadow:
      0 16px 36px rgba(21, 152, 179, 0.26),
      0 6px 14px rgba(8, 31, 40, 0.18),
      inset 0 1px 0 rgba(255, 255, 255, 0.12);
  }

  .brand-hero:hover .brand-t {
    color: #12b5d1;
    text-shadow: 0 0 22px rgba(21, 152, 179, 0.32);
  }

  .brand-hero:hover .brand-hero-sub {
    color: var(--ink);
  }
}

.hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5.8vw, 4.4rem);
  line-height: 1.08;
  font-weight: 800;
  letter-spacing: -0.035em;
  color: var(--bg-deep);
}

.lede {
  margin: 1.25rem 0 1.85rem;
  max-width: 32rem;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.85;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin: 2rem 0 0;
  padding: 0;
  list-style: none;
}

.hero-stats li {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  min-width: 5.5rem;
  padding: 0.85rem 1.1rem;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.65);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
}

.hero-stats strong {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--bg-deep);
  line-height: 1;
}

.hero-stats span {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero-visual {
  position: relative;
  min-height: 440px;
}

.hero-stage {
  position: relative;
  height: 100%;
  min-height: 440px;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(ellipse 70% 55% at 55% 45%, rgba(90, 210, 240, 0.22), transparent 60%),
    linear-gradient(155deg, #061820 0%, #0c2f3c 48%, #103848 100%);
  overflow: hidden;
  box-shadow:
    var(--shadow),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.hero-stage::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  box-shadow: inset 0 0 80px rgba(0, 0, 0, 0.25);
}

.temp-chip {
  position: absolute;
  z-index: 5;
  top: 1.35rem;
  right: 1.35rem;
  padding: 0.45rem 0.95rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: rgba(231, 248, 255, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.14);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  backdrop-filter: blur(12px);
}

.indoor {
  position: absolute;
  left: 50%;
  top: 52%;
  translate: -50% -50%;
  width: min(320px, 78%);
  z-index: 4;
}

.stage-glow {
  position: absolute;
  width: 280px;
  height: 280px;
  left: 50%;
  top: 42%;
  translate: -50% -50%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(140, 230, 255, 0.24), transparent 68%);
  filter: blur(8px);
  animation: pulse 5s ease-in-out infinite;
}

.indoor-body {
  position: relative;
  border-radius: 22px;
  padding: 1.2rem 1.2rem 1.05rem;
  background: linear-gradient(180deg, #ffffff 0%, #f4f9fb 100%);
  border: 1px solid rgba(255, 255, 255, 0.98);
  box-shadow:
    0 28px 56px rgba(0, 0, 0, 0.32),
    inset 0 1px 0 rgba(255, 255, 255, 0.95);
}

.louver-wrap {
  position: relative;
  height: 88px;
  border-radius: 14px;
  overflow: hidden;
  background: linear-gradient(180deg, #b7c9d2, #8ea3ae);
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.08);
}

.louvers {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.28) 0 3px,
    rgba(40, 60, 70, 0.22) 3px 11px
  );
}

.air-sheet {
  position: absolute;
  inset: 20% -8% -45%;
  background: linear-gradient(90deg, transparent, rgba(180, 240, 255, 0.6), transparent);
  filter: blur(6px);
  animation: sheet 2.8s ease-in-out infinite;
}

@keyframes sheet {
  0%,
  100% {
    transform: translateX(8%) scaleY(0.9);
    opacity: 0.35;
  }
  50% {
    transform: translateX(-6%) scaleY(1.05);
    opacity: 0.85;
  }
}

.indoor-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 0.95rem;
}

.display {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 3.6rem;
  padding: 0.3rem 0.7rem;
  border-radius: 10px;
  background: #0b2732;
  color: #7fe8ff;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.1rem;
  box-shadow: inset 0 0 12px rgba(127, 232, 255, 0.15);
}

.mode {
  font-size: 0.84rem;
  font-weight: 700;
  color: #1aa6c4;
  background: rgba(26, 166, 196, 0.12);
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
}

.indoor-glow {
  position: absolute;
  inset: auto 8% -24% 8%;
  height: 90px;
  background: radial-gradient(ellipse, rgba(140, 230, 255, 0.55), transparent 70%);
  filter: blur(10px);
  animation: pulse 3.2s ease-in-out infinite;
}

.airflow {
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
}

.mist {
  position: absolute;
  left: 50%;
  height: 22px;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, rgba(180, 240, 255, 0.7), transparent);
  filter: blur(2px);
  translate: -50% 0;
  animation: mistMove 3.4s ease-in-out infinite;
}

.mist.m1 {
  top: 28%;
  width: 58%;
}

.mist.m2 {
  top: 36%;
  width: 48%;
  animation-delay: 0.45s;
  opacity: 0.8;
}

.mist.m3 {
  top: 44%;
  width: 38%;
  animation-delay: 0.9s;
  opacity: 0.6;
}

@keyframes mistMove {
  0%,
  100% {
    transform: translateY(6px);
    opacity: 0.25;
  }
  50% {
    transform: translateY(-10px);
    opacity: 0.95;
  }
}

@keyframes pulse {
  0%,
  100% {
    opacity: 0.45;
    transform: scale(0.96);
  }
  50% {
    opacity: 1;
    transform: scale(1.04);
  }
}

@media (max-width: 960px) {
  .hero-visual,
  .hero-stage {
    min-height: 360px;
  }

  .indoor {
    width: min(280px, 82%);
  }
}

@media (max-width: 560px) {
  .hero-visual,
  .hero-stage {
    min-height: 320px;
  }
}

/* Sections */
.section-eyebrow {
  margin: 0 0 0.65rem;
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
}

.section-eyebrow--light {
  color: var(--gold-soft);
}

.section-head {
  max-width: 38rem;
  margin-bottom: 2.5rem;
}

.section-head h2,
.engineering h2,
.contact h2 {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.2vw, 2.5rem);
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--bg-deep);
}

.section-head p,
.eng-text p {
  margin: 0;
  color: var(--muted);
}

.services {
  padding: 5rem 0 2.5rem;
}

.service-rail {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.15rem;
}

.service-block {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 100%;
  padding: 1.5rem 1.35rem 1.5rem;
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, rgba(248, 251, 252, 0.95) 100%);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  transition: transform 0.32s ease, border-color 0.32s ease, box-shadow 0.32s ease;
}

.service-block::after {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.9), transparent);
  opacity: 0.8;
}

.service-block::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: linear-gradient(180deg, var(--tone, var(--ice-deep)), color-mix(in srgb, var(--tone, var(--ice-deep)) 40%, transparent));
  opacity: 1;
}

.service-block:hover {
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--tone) 35%, var(--line));
  box-shadow: 0 22px 48px rgba(8, 31, 40, 0.12);
}

.svc-num {
  font-family: var(--font-display);
  font-size: 2.1rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.04em;
  font-variant-numeric: tabular-nums;
  color: var(--tone, var(--ice-deep));
  opacity: 0.28;
  transition: opacity 0.3s ease;
  user-select: none;
}

.service-block:hover .svc-num {
  opacity: 0.55;
}

.svc-icon {
  width: 2.85rem;
  height: 2.85rem;
  display: grid;
  place-items: center;
  border-radius: 14px;
  color: var(--tone, var(--ice-deep));
  background: color-mix(in srgb, var(--tone, var(--ice-deep)) 12%, white);
  border: 1px solid color-mix(in srgb, var(--tone, var(--ice-deep)) 18%, transparent);
  flex-shrink: 0;
}

.svc-points li {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--ink);
  padding: 0.32rem 0.62rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid var(--line);
}

.service-block[data-tone="cool"] {
  --tone: #1aa6c4;
}

.service-block[data-tone="draft"] {
  --tone: #2f6f8f;
}

.service-block[data-tone="watch"] {
  --tone: #b8895a;
}

.service-block[data-tone="build"] {
  --tone: #3d7a5a;
}

.service-block[data-tone="energy"] {
  --tone: #d4a017;
}

.svc-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 1.35rem;
  min-height: 2.75rem;
}

.svc-icon svg {
  width: 1.35rem;
  height: 1.35rem;
}

.service-block h3 {
  margin: 0 0 0.55rem;
  font-family: var(--font-display);
  font-size: 1.22rem;
  font-weight: 800;
  line-height: 1.3;
}

.service-block > p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.75;
  flex: 1;
}

.svc-points {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 1rem 0 1.15rem;
  padding: 0;
  list-style: none;
}

.svc-go {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--tone, var(--bg-deep));
}

.svc-go::after {
  content: "←";
  transition: transform 0.2s ease;
}

.service-block:hover .svc-go::after {
  transform: translateX(-4px);
}

/* Engineering */
.engineering {
  padding: 2rem 0 4.5rem;
}

.eng-layout .section-head {
  margin-bottom: 1.75rem;
}

.eng-split {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1.5rem;
  align-items: stretch;
}

.eng-text {
  padding: 2rem;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
}

.eng-text h3 {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
}

.eng-text h3:not(:first-child) {
  margin-top: 1.35rem;
}

.eng-meter {
  display: grid;
  place-items: center;
  text-align: center;
  padding: 2rem 1.5rem;
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 50% 35%, rgba(142, 217, 234, 0.28), transparent 55%),
    linear-gradient(160deg, #081f28, #123845);
  color: #e7f7fc;
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: var(--shadow);
}

.meter-ring {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  align-content: center;
  border: 1px solid rgba(142, 217, 234, 0.35);
  box-shadow:
    inset 0 0 40px rgba(142, 217, 234, 0.12),
    0 0 0 6px rgba(142, 217, 234, 0.06);
  margin-bottom: 1.15rem;
}

.meter-ring strong {
  font-family: var(--font-display);
  font-size: 2rem;
  line-height: 1;
}

.meter-ring span {
  font-size: 0.78rem;
  opacity: 0.8;
}

.eng-meter p {
  margin: 0;
  max-width: 14rem;
  color: rgba(231, 247, 252, 0.8);
  font-size: 0.95rem;
}

/* Trust */
.trust {
  padding: 1rem 0 5rem;
}

.trust-row {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2rem;
  align-items: center;
  padding: 2.5rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.trust-row blockquote,
.trust-quote {
  margin: 0;
  padding: 0;
  border: 0;
  position: relative;
}

.trust-quote::before {
  content: "“";
  position: absolute;
  top: -0.35rem;
  right: 0;
  font-family: var(--font-display);
  font-size: 4rem;
  line-height: 1;
  color: var(--gold);
  opacity: 0.22;
  pointer-events: none;
}

.trust-row blockquote p,
.trust-quote p {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.5vw, 1.85rem);
  line-height: 1.55;
  font-weight: 700;
  color: var(--bg-deep);
  letter-spacing: -0.02em;
}

.trust-points {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.75rem;
}

.trust-points li {
  padding: 1rem 1.15rem;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.92rem;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.trust-points li:hover {
  border-color: var(--line-strong);
  box-shadow: var(--shadow-soft);
}

.trust-points strong {
  color: var(--ink);
  margin-left: 0.35rem;
}

/* Contact */
.contact {
  padding: 0 0 5rem;
}

.contact-box {
  display: grid;
  grid-template-columns: 0.9fr 1.2fr 0.7fr;
  gap: 2rem;
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(ellipse 80% 60% at 0% 0%, rgba(142, 217, 234, 0.12), transparent 55%),
    linear-gradient(145deg, rgba(8, 31, 40, 0.98), #0f3340 50%, #123845 100%);
  color: #e8f7fc;
  box-shadow: var(--shadow);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.contact-intro .section-eyebrow {
  margin-bottom: 0.75rem;
}

.contact-box h2 {
  color: #fff;
  margin-top: 0;
}

.contact-box .contact-intro > p,
.contact-box > div > p {
  color: rgba(232, 247, 252, 0.75);
  margin: 0.5rem 0 0;
}

.contact-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
}

.contact-form label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.85rem;
  color: rgba(232, 247, 252, 0.8);
}

.contact-form .full {
  grid-column: 1 / -1;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
  border-radius: 14px;
  padding: 0.82rem 0.95rem;
  font-family: var(--font-body);
  font-size: 0.92rem;
  transition: border-color 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: rgba(196, 165, 116, 0.45);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 0 3px rgba(196, 165, 116, 0.12);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: rgba(255, 255, 255, 0.35);
}

.contact-form option {
  color: #102a33;
}

.form-note {
  grid-column: 1 / -1;
  margin: 0;
  color: var(--ice);
  font-size: 0.9rem;
}

.form-note.is-error {
  color: #ffb4b4;
}

.contact-aside {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  justify-content: end;
}

.soft-link {
  color: #c8eef8;
  border-bottom: 1px solid rgba(200, 238, 248, 0.35);
  padding-bottom: 0.15rem;
  width: fit-content;
}

.tiny {
  margin: 0.5rem 0 0;
  font-size: 0.8rem;
  color: rgba(232, 247, 252, 0.5);
}

.site-footer {
  padding: 1.75rem 0 2.5rem;
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.45);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  color: var(--muted);
  font-size: 0.88rem;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.25rem;
  width: 100%;
}

.footer-nav a {
  color: var(--muted);
  transition: color 0.2s ease;
}

.footer-nav a:hover,
.footer-nav a[aria-current="page"] {
  color: var(--ice-deep);
}

.faq {
  padding: 4.5rem 0;
}

.faq-list {
  display: grid;
  gap: 0.85rem;
  max-width: 760px;
}

.faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 1.1rem 1.25rem;
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--bg-deep);
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  float: left;
  color: var(--ice-deep);
  font-weight: 700;
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item p {
  margin: 0;
  padding: 0 1.25rem 1.15rem;
  color: var(--muted);
}

.faq-item a {
  color: var(--ice-deep);
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
  margin: 0 0 1.25rem;
  padding: 0;
  font-size: 0.85rem;
  color: var(--muted);
}

.breadcrumb li + li::before {
  content: "›";
  margin-inline-end: 0.5rem;
  opacity: 0.55;
}

.breadcrumb a:hover {
  color: var(--ice-deep);
}

.footer-brand {
  color: var(--ice-deep);
  font-weight: 600;
  letter-spacing: 0.02em;
}

.footer-brand:hover {
  color: var(--bg-deep);
}

/* Reveal */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-in {
  opacity: 1;
  transform: none;
}

/* Responsive */
@media (max-width: 960px) {
  .hero-grid,
  .eng-split,
  .trust-row,
  .contact-box {
    grid-template-columns: 1fr;
  }

  .service-rail {
    grid-template-columns: 1fr 1fr;
  }

  .nav {
    display: none;
    position: absolute;
    top: 4.25rem;
    right: 0;
    left: 0;
    flex-direction: column;
    gap: 0;
    background: rgba(243, 247, 248, 0.97);
    border-bottom: 1px solid var(--line);
    padding: 0.75rem 1.25rem 1rem;
  }

  .nav.is-open {
    display: flex;
  }

  .nav a {
    padding: 0.65rem 0;
    border-bottom: 1px solid var(--line);
  }

  .nav-toggle {
    display: inline-block;
  }

  .header-cta {
    display: none;
  }

  .brand {
    margin-left: 0;
    margin-right: auto;
  }
}

@media (max-width: 560px) {
  .brand-lockup {
    font-size: 1.15rem;
  }

  .brand-name {
    font-size: 1em;
  }

  .brand-theta {
    width: 0.98em;
    height: 0.98em;
    border-radius: 0.2em;
  }

  .brand-theta-glyph {
    font-size: 0.76em;
    transform: scale(1.14);
  }

  .brand-title {
    font-size: 0.82rem;
    min-height: 1.15rem;
  }

  .service-rail {
    grid-template-columns: 1fr;
  }

  .contact-form {
    grid-template-columns: 1fr;
  }

  .hero-stats {
    gap: 0.65rem;
  }

  .hero-stats li {
    min-width: calc(33% - 0.5rem);
    flex: 1;
    padding: 0.75rem 0.85rem;
  }

  .hero {
    padding-top: 1.5rem;
  }
}

/* ========== Premium polish ========== */
.scroll-progress {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  height: 3px;
  z-index: 80;
  transform-origin: right center;
  transform: scaleX(0);
  background: linear-gradient(90deg, var(--gold), var(--ice-deep), var(--gold-soft));
  pointer-events: none;
}

.nav a {
  position: relative;
  transition: color 0.25s ease;
}

.nav a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -0.35rem;
  width: 100%;
  height: 1px;
  border-radius: 1px;
  background: linear-gradient(90deg, var(--gold), transparent);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.28s ease;
}

.nav a:hover::after {
  transform: scaleX(1);
}

.brand:hover .brand-theta {
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(8, 31, 40, 0.22);
}

.btn {
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    115deg,
    transparent 30%,
    rgba(255, 255, 255, 0.22) 48%,
    transparent 62%
  );
  transform: translateX(120%);
  transition: transform 0.55s ease;
}

.btn-primary:hover::before {
  transform: translateX(-120%);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.92);
  border-color: rgba(196, 165, 116, 0.35);
}

.reveal-hero {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.9s cubic-bezier(0.22, 1, 0.36, 1), transform 0.9s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal-hero.delay {
  transition-delay: 0.14s;
}

body.is-ready .reveal-hero {
  opacity: 1;
  transform: none;
}

.hero-stage {
  isolation: isolate;
}

.hero-stage::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.18);
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.08),
    transparent 40%,
    rgba(127, 212, 232, 0.06)
  );
  z-index: 6;
}

.service-block {
  transition:
    transform 0.35s cubic-bezier(0.22, 1, 0.36, 1),
    border-color 0.35s ease,
    box-shadow 0.35s ease;
}

.service-block::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(
    600px 180px at 100% 0%,
    color-mix(in srgb, var(--tone, var(--ice-deep)) 16%, transparent),
    transparent 55%
  );
  opacity: 0;
  transition: opacity 0.35s ease;
  pointer-events: none;
}

.service-block:hover::after {
  opacity: 1;
}

.service-block.is-in {
  animation: cardIn 0.7s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.service-block:nth-child(1).is-in { animation-delay: 0.05s; }
.service-block:nth-child(2).is-in { animation-delay: 0.12s; }
.service-block:nth-child(3).is-in { animation-delay: 0.19s; }
.service-block:nth-child(4).is-in { animation-delay: 0.26s; }

@keyframes cardIn {
  from {
    opacity: 0;
    transform: translateY(22px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.eng-meter,
.contact-box {
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.contact-box:hover {
  box-shadow: 0 28px 70px rgba(12, 42, 54, 0.16);
}

.meter-ring {
  position: relative;
}

.meter-ring::before {
  content: "";
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 1px solid rgba(127, 212, 232, 0.25);
  animation: ringPulse 3.5s ease-in-out infinite;
}

@keyframes ringPulse {
  0%,
  100% {
    transform: scale(0.96);
    opacity: 0.35;
  }
  50% {
    transform: scale(1.05);
    opacity: 0.85;
  }
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: rgba(127, 212, 232, 0.55);
  box-shadow: 0 0 0 3px rgba(26, 166, 196, 0.18);
}

.reveal {
  transition: opacity 0.85s cubic-bezier(0.22, 1, 0.36, 1), transform 0.85s cubic-bezier(0.22, 1, 0.36, 1);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .orb,
  .mist,
  .air-sheet,
  .indoor-glow,
  .stage-glow,
  .meter-ring::before,
  .btn-primary::before {
    animation: none !important;
    transition: none !important;
  }

  .reveal,
  .reveal-hero,
  .service-block.is-in {
    opacity: 1 !important;
    transform: none !important;
    animation: none !important;
    transition: none !important;
  }

  .brand-hero:hover .brand-lockup--hero,
  .brand-hero:hover .brand-theta,
  .brand:hover .brand-theta {
    transform: none !important;
    box-shadow: none !important;
  }

  .brand-hero:hover .brand-t {
    color: var(--ice-deep) !important;
    text-shadow: none !important;
  }

  .scroll-progress {
    display: none;
  }
}

/* About page */
.about-page {
  padding-bottom: 3rem;
}

.about-hero {
  padding: 3.5rem 0 2rem;
}

.about-hero h1 {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--bg-deep);
  max-width: 20ch;
}

.about-lede {
  margin: 0;
  max-width: 42rem;
  color: var(--muted);
  font-size: 1.05rem;
}

.about-profile {
  padding: 1.5rem 0 3.5rem;
}

.about-profile-grid {
  display: grid;
  grid-template-columns: minmax(260px, 380px) 1fr;
  gap: 2.5rem;
  align-items: start;
}

.about-portrait {
  margin: 0;
}

.about-portrait-frame {
  position: relative;
  border-radius: var(--radius-lg);
  padding: 4px;
  background: linear-gradient(145deg, var(--gold-soft), var(--ice-deep) 55%, var(--bg-deep));
  box-shadow: var(--shadow);
}

.about-portrait-frame::after {
  content: "";
  position: absolute;
  inset: 4px;
  border-radius: calc(var(--radius-lg) - 4px);
  pointer-events: none;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.35);
}

.about-portrait-frame img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: center 12%;
  border-radius: calc(var(--radius-lg) - 4px);
  filter: contrast(1.04) saturate(0.92);
}

.about-portrait-caption {
  margin: 0.85rem 0 0;
  text-align: center;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 0.04em;
}

.about-copy h2 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  color: var(--bg-deep);
}

.about-copy p {
  margin: 0 0 1rem;
  color: var(--ink);
}

.about-credentials {
  display: grid;
  gap: 0.65rem;
  margin: 1.75rem 0 0;
  padding: 0;
  list-style: none;
}

.about-credentials li {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.75rem;
  padding: 0.75rem 1rem;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--line);
  font-size: 0.92rem;
}

.cred-label {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--bg-deep);
  background: rgba(26, 166, 196, 0.12);
}

.about-experience {
  padding: 0 0 3.5rem;
}

.about-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.15rem;
}

.about-card {
  padding: 1.5rem 1.35rem;
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(248, 251, 252, 0.94));
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
}

.about-card h3 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: 1.12rem;
  font-weight: 800;
  color: var(--bg-deep);
}

.about-card p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--muted);
  line-height: 1.75;
}

.about-cta {
  padding: 0 0 4rem;
}

.about-cta-box {
  text-align: center;
  padding: 2.5rem 2rem;
  border-radius: var(--radius-lg);
  background:
    linear-gradient(160deg, rgba(8, 31, 40, 0.97), #123845);
  color: #e7f7fc;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow);
}

.about-cta-box h2 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
}

.about-cta-box p {
  margin: 0 0 1.5rem;
  color: rgba(231, 247, 252, 0.82);
}

.about-cta-box .btn-ghost {
  color: #e7f7fc;
  border-color: rgba(255, 255, 255, 0.28);
}

.nav a[aria-current="page"] {
  color: var(--ink);
  font-weight: 700;
}

@media (max-width: 960px) {
  .about-profile-grid {
    grid-template-columns: 1fr;
  }

  .about-portrait {
    max-width: 320px;
    margin-inline: auto;
  }

  .about-cards {
    grid-template-columns: 1fr;
  }
}