/* ==========================================================================
   Ocean Tech Networks — v2 "premium" design system
   Brand blue #0073BB · en-AU · mobile-first · WCAG AA contrast
   Previous design preserved in /otn-website-backup-v1/
   ========================================================================== */

:root {
  /* Brand */
  --blue-50:  #eef7fd;
  --blue-100: #d8ecf9;
  --blue-200: #b0d8f2;
  --blue-400: #2e9be0;
  --blue-500: #0073bb;   /* OTN blue */
  --blue-600: #005f9c;
  --blue-700: #004c7d;
  --cyan-300: #7dd3fc;
  --cyan-400: #38bdf8;
  --navy-800: #0b2342;
  --navy-900: #071a33;
  --navy-950: #041124;

  /* Neutrals */
  --ink:      #0d1b2a;
  --slate-600:#4a5a6b;
  --slate-500:#5f6f80;
  --slate-200:#e3e9f0;
  --slate-100:#f1f5f9;
  --white:    #ffffff;

  /* Legacy aliases (inline styles in pages reference these) */
  --otn-blue: var(--blue-500);
  --otn-blue-dark: var(--blue-600);
  --otn-blue-light: var(--blue-50);
  --otn-navy: var(--navy-800);
  --otn-gray: var(--slate-600);
  --otn-border: var(--slate-200);

  /* Tokens */
  --grad-brand: linear-gradient(135deg, var(--blue-500) 0%, var(--blue-400) 55%, var(--cyan-400) 100%);
  --grad-deep:  linear-gradient(135deg, var(--navy-950) 0%, var(--navy-800) 45%, var(--blue-700) 100%);
  --radius-sm: 10px;
  --radius:    18px;
  --radius-lg: 26px;
  --shadow-sm: 0 1px 2px rgba(7, 26, 51, .06), 0 2px 8px rgba(7, 26, 51, .05);
  --shadow:    0 2px 4px rgba(7, 26, 51, .04), 0 12px 32px -8px rgba(7, 26, 51, .14);
  --shadow-lg: 0 4px 10px rgba(7, 26, 51, .06), 0 30px 60px -18px rgba(0, 76, 125, .35);
  --ring: 0 0 0 3px #fff, 0 0 0 5px var(--blue-500);
  --max: 1200px;
  --header-h: 76px;
  --ease: cubic-bezier(.2, .8, .2, 1);
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-display: "Plus Jakarta Sans", "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--ink);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue-500); text-decoration: none; text-underline-offset: 3px; transition: color .2s var(--ease); }
a:hover { color: var(--blue-700); text-decoration: underline; }
:focus-visible { outline: none; box-shadow: var(--ring); border-radius: 6px; }
::selection { background: var(--blue-100); color: var(--navy-900); }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--navy-900);
  line-height: 1.15;
  letter-spacing: -0.02em;
  font-weight: 800;
  text-wrap: balance;
}
h2 { font-size: clamp(1.85rem, 1.3rem + 2.2vw, 2.75rem); margin: 0 0 .75rem; }
h3 { font-size: 1.2rem; margin: 0 0 .5rem; letter-spacing: -0.01em; font-weight: 700; }
p { margin: 0 0 1rem; text-wrap: pretty; }
strong { color: var(--navy-800); }
code { font-size: .9em; background: var(--slate-100); padding: .1em .35em; border-radius: 4px; }

.container { width: min(100% - 2.5rem, var(--max)); margin-inline: auto; }

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .82);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid transparent;
  transition: box-shadow .3s var(--ease), border-color .3s var(--ease), background .3s var(--ease);
}
.site-header.is-scrolled {
  background: rgba(255, 255, 255, .94);
  border-bottom-color: rgba(7, 26, 51, .08);
  box-shadow: 0 8px 30px -12px rgba(7, 26, 51, .18);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--header-h);
  transition: min-height .3s var(--ease);
}
.site-header.is-scrolled .header-inner { min-height: 64px; }

.logo-link { display: inline-flex; align-items: center; flex-shrink: 0; border-radius: 10px; }
.logo-link:hover { text-decoration: none; }
.logo-link img { height: 56px; width: auto; transition: height .3s var(--ease); }
.site-header.is-scrolled .logo-link img { height: 46px; }

.nav-toggle {
  display: none;
  align-items: center;
  gap: .55rem;
  background: var(--navy-900);
  color: #fff;
  border: 0;
  border-radius: 999px;
  padding: .6rem 1rem .6rem .9rem;
  font: 600 .95rem/1 var(--font-body);
  cursor: pointer;
  transition: background .2s var(--ease);
}
.nav-toggle:hover { background: var(--blue-600); }
.nav-toggle-bars { position: relative; width: 18px; height: 12px; }
.nav-toggle-bars span {
  position: absolute; left: 0; width: 100%; height: 2px; border-radius: 2px; background: currentColor;
  transition: transform .3s var(--ease), opacity .2s var(--ease), top .3s var(--ease);
}
.nav-toggle-bars span:nth-child(1) { top: 0; }
.nav-toggle-bars span:nth-child(2) { top: 5px; }
.nav-toggle-bars span:nth-child(3) { top: 10px; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars span:nth-child(1) { top: 5px; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars span:nth-child(3) { top: 5px; transform: rotate(-45deg); }

.site-nav ul { list-style: none; margin: 0; padding: 0; display: flex; align-items: center; gap: .25rem; }
.site-nav a {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: .55rem .9rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: .95rem;
  color: var(--navy-800);
  text-decoration: none;
  transition: color .2s var(--ease), background .2s var(--ease);
}
.site-nav a:hover { color: var(--blue-500); background: var(--blue-50); text-decoration: none; }
.site-nav a[aria-current="page"] { color: var(--blue-500); }
.site-nav a[aria-current="page"]::after {
  content: ""; position: absolute; left: 50%; bottom: 3px; width: 18px; height: 3px; border-radius: 3px;
  transform: translateX(-50%); background: var(--grad-brand);
}
.site-nav a.nav-cta {
  margin-left: .5rem;
  color: #fff;
  background: var(--grad-brand);
  padding: .65rem 1.25rem;
  box-shadow: 0 8px 20px -8px rgba(0, 115, 187, .7);
}
.site-nav a.nav-cta:hover { color: #fff; background: var(--blue-600); transform: translateY(-1px); }
.site-nav a.nav-cta[aria-current="page"]::after { display: none; }

@media (max-width: 900px) {
  .nav-toggle { display: inline-flex; }
  .site-nav {
    position: absolute;
    left: 0; right: 0; top: 100%;
    padding: .75rem 1.25rem 1.25rem;
    background: rgba(255, 255, 255, .98);
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--slate-200);
    box-shadow: 0 24px 40px -20px rgba(7, 26, 51, .25);
    opacity: 0; visibility: hidden; transform: translateY(-8px);
    transition: opacity .25s var(--ease), transform .25s var(--ease), visibility .25s;
  }
  .site-nav.is-open { opacity: 1; visibility: visible; transform: none; }
  .site-nav ul { flex-direction: column; align-items: stretch; gap: .15rem; }
  .site-nav a { display: flex; padding: .85rem 1rem; border-radius: 12px; font-size: 1.05rem; }
  .site-nav a[aria-current="page"] { background: var(--blue-50); }
  .site-nav a[aria-current="page"]::after { left: 0; top: 50%; bottom: auto; width: 3px; height: 22px; transform: translateY(-50%); }
  .site-nav a.nav-cta { margin: .5rem 0 0; justify-content: center; }
}

/* ---------- Buttons ---------- */
.btn {
  --btn-bg: var(--grad-brand);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .55rem;
  padding: .95rem 1.6rem;
  min-height: 48px;
  border-radius: 999px;
  border: 1.5px solid transparent;
  font: 700 1rem/1 var(--font-body);
  letter-spacing: .005em;
  text-decoration: none;
  cursor: pointer;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}
.btn:hover { text-decoration: none; transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn svg { width: 18px; height: 18px; flex-shrink: 0; }
.btn-primary, .btn-solid {
  color: #fff;
  background: var(--grad-brand);
  box-shadow: 0 12px 28px -10px rgba(0, 115, 187, .75), inset 0 1px 0 rgba(255, 255, 255, .25);
}
.btn-primary:hover, .btn-solid:hover { color: #fff; box-shadow: 0 18px 36px -12px rgba(0, 115, 187, .9), inset 0 1px 0 rgba(255,255,255,.25); }
.btn-outline {
  color: #fff;
  background: rgba(255, 255, 255, .08);
  border-color: rgba(255, 255, 255, .45);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}
.btn-outline:hover { color: var(--navy-900); background: #fff; border-color: #fff; }
.btn-ghost { color: var(--navy-800); background: transparent; border-color: var(--slate-200); }
.btn-ghost:hover { color: var(--blue-600); border-color: var(--blue-200); background: var(--blue-50); }

/* ---------- Hero (home) ---------- */
.hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  color: #fff;
  padding: clamp(5rem, 4rem + 6vw, 9rem) 0 clamp(4.5rem, 3rem + 6vw, 8rem);
  background:
    linear-gradient(105deg, rgba(4, 17, 36, .96) 0%, rgba(7, 26, 51, .88) 38%, rgba(0, 76, 125, .62) 72%, rgba(0, 115, 187, .35) 100%),
    url("../assets/photos/hero-datacenter.jpg") center / cover no-repeat;
}
.hero::before { /* glow */
  content: ""; position: absolute; z-index: -1; inset: auto -10% -40% auto; width: 60vw; height: 60vw; max-width: 900px; max-height: 900px;
  background: radial-gradient(closest-side, rgba(56, 189, 248, .35), transparent 70%);
  filter: blur(10px);
}
.hero::after { /* tech grid */
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 30% 40%, #000 30%, transparent 75%);
  mask-image: radial-gradient(ellipse 80% 70% at 30% 40%, #000 30%, transparent 75%);
}
.hero .container { position: relative; }
.hero-content { max-width: 46rem; }
.eyebrow {
  display: inline-flex; align-items: center; gap: .6rem;
  margin: 0 0 1.25rem;
  padding: .45rem .95rem .45rem .6rem;
  border-radius: 999px;
  font: 600 .8rem/1.2 var(--font-body);
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--cyan-300);
  background: rgba(255, 255, 255, .07);
  border: 1px solid rgba(255, 255, 255, .16);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}
.eyebrow .dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--cyan-400);
  box-shadow: 0 0 0 4px rgba(56, 189, 248, .2), 0 0 12px var(--cyan-400);
}
.hero h1 {
  margin: 0 0 1rem;
  color: #fff;
  font-size: clamp(2.5rem, 1.6rem + 4.4vw, 4.6rem);
  line-height: 1.04;
  letter-spacing: -0.035em;
}
.text-gradient {
  background: linear-gradient(90deg, #ffffff 0%, var(--cyan-300) 45%, var(--blue-400) 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.hero .tagline {
  margin: 0 0 1.25rem;
  font: 700 clamp(1.15rem, 1rem + .6vw, 1.45rem)/1.3 var(--font-display);
  color: var(--cyan-300);
  letter-spacing: -0.01em;
}
.hero .lead {
  max-width: 38rem;
  margin: 0 0 2.25rem;
  font-size: clamp(1.05rem, 1rem + .3vw, 1.2rem);
  color: rgba(255, 255, 255, .86);
}
.hero-actions { display: flex; flex-wrap: wrap; gap: .85rem; }

.hero-stats {
  list-style: none;
  margin: clamp(3rem, 2rem + 4vw, 5rem) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1px;
  max-width: 60rem;
  border-radius: var(--radius);
  overflow: hidden;
  background: rgba(255, 255, 255, .14);
  border: 1px solid rgba(255, 255, 255, .14);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}
.hero-stats li {
  display: flex; align-items: center; gap: .9rem;
  padding: 1.1rem 1.3rem;
  background: rgba(7, 26, 51, .55);
  color: rgba(255, 255, 255, .9);
  font-size: .95rem;
  line-height: 1.35;
}
.hero-stats strong { display: block; color: #fff; font: 700 1.02rem/1.3 var(--font-display); }
.hero-stats .ico {
  flex-shrink: 0; display: grid; place-items: center; width: 40px; height: 40px; border-radius: 12px;
  background: linear-gradient(135deg, rgba(56,189,248,.25), rgba(0,115,187,.35));
  border: 1px solid rgba(125, 211, 252, .3);
  color: var(--cyan-300);
}
.hero-stats .ico svg { width: 20px; height: 20px; }

/* ---------- Page hero (inner pages) ---------- */
.page-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  color: #fff;
  padding: clamp(4rem, 3rem + 4vw, 6.5rem) 0 clamp(3.5rem, 2.5rem + 4vw, 5.5rem);
  background:
    linear-gradient(105deg, rgba(4, 17, 36, .95) 0%, rgba(7, 26, 51, .86) 45%, rgba(0, 76, 125, .6) 80%, rgba(0, 115, 187, .4) 100%),
    url("../assets/photos/hero-datacenter.jpg") center / cover no-repeat;
}
.page-hero::after {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(ellipse 70% 80% at 20% 50%, #000 25%, transparent 75%);
  mask-image: radial-gradient(ellipse 70% 80% at 20% 50%, #000 25%, transparent 75%);
}
.page-hero--smart {
  background:
    linear-gradient(105deg, rgba(4, 17, 36, .95) 0%, rgba(7, 26, 51, .84) 45%, rgba(0, 76, 125, .55) 80%, rgba(0, 115, 187, .35) 100%),
    url("../assets/photos/smart-home-tech-support.jpg") center 30% / cover no-repeat;
}
.page-hero h1 {
  margin: 0 0 .85rem;
  color: #fff;
  font-size: clamp(2.2rem, 1.5rem + 3.2vw, 3.6rem);
  letter-spacing: -0.03em;
}
.page-hero p { margin: 0; max-width: 42rem; font-size: clamp(1.05rem, 1rem + .3vw, 1.2rem); color: rgba(255, 255, 255, .86); }
.page-hero .eyebrow { margin-bottom: 1.1rem; }

/* ---------- Sections ---------- */
.section { position: relative; padding: clamp(4rem, 3rem + 4vw, 7rem) 0; }
.section-alt {
  background:
    radial-gradient(1200px 400px at 85% 0%, rgba(56, 189, 248, .10), transparent 60%),
    radial-gradient(900px 400px at 0% 100%, rgba(0, 115, 187, .08), transparent 60%),
    linear-gradient(180deg, #f6fafd 0%, #eef5fb 100%);
  border-block: 1px solid rgba(7, 26, 51, .05);
}
.section-head { max-width: 46rem; margin: 0 0 clamp(2rem, 1.5rem + 2vw, 3rem); }
.section-head.center { margin-inline: auto; text-align: center; }
.section-label {
  display: inline-flex; align-items: center; gap: .5rem;
  margin: 0 0 .85rem;
  font: 700 .8rem/1 var(--font-body);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--blue-500);
}
.section-label::before { content: ""; width: 22px; height: 2px; border-radius: 2px; background: var(--grad-brand); }
.section-head.center .section-label::after { content: ""; width: 22px; height: 2px; border-radius: 2px; background: var(--grad-brand); }
.section-intro { color: var(--slate-600); font-size: clamp(1.05rem, 1rem + .25vw, 1.15rem); max-width: 42rem; margin: 0 0 2rem; }
.section-head .section-intro { margin-bottom: 0; }
.section-head.center .section-intro { margin-inline: auto; }

/* ---------- Cards ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
  gap: clamp(1.1rem, .8rem + 1vw, 1.75rem);
}
.card {
  position: relative;
  background: #fff;
  border: 1px solid rgba(7, 26, 51, .08);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
}
.card::before { /* gradient hairline on hover */
  content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px; pointer-events: none;
  background: linear-gradient(135deg, rgba(0,115,187,.6), rgba(56,189,248,.5), transparent 60%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  opacity: 0; transition: opacity .35s var(--ease);
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.card:hover::before { opacity: 1; }
.card h3 { color: var(--navy-900); font-size: 1.25rem; }
.card h3 a { color: inherit; text-decoration: none; }
.card h3 a::after { content: ""; position: absolute; inset: 0; border-radius: inherit; } /* full-card click */
.card h3 a:hover { color: var(--blue-500); }
.card p { color: var(--slate-600); margin: 0; }
.card .card-link {
  display: inline-flex; align-items: center; gap: .4rem; margin-top: 1.1rem;
  font-weight: 700; font-size: .95rem; color: var(--blue-500);
}
.card .card-link svg { width: 16px; height: 16px; transition: transform .25s var(--ease); }
.card:hover .card-link svg { transform: translateX(4px); }

.card.has-img { padding: 0; overflow: hidden; display: flex; flex-direction: column; }
.card.has-img .card-body { padding: 1.5rem 1.65rem 1.75rem; display: flex; flex-direction: column; flex: 1; }
.card.has-img .card-body p { flex: 1; }
.card-media { position: relative; overflow: hidden; }
.card-media::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(180deg, transparent 50%, rgba(7, 26, 51, .35) 100%);
}
.card-img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: var(--blue-50);
  transition: transform .7s var(--ease);
}
.card:hover .card-img { transform: scale(1.06); }

.card-icon {
  display: grid; place-items: center;
  width: 56px; height: 56px; margin-bottom: 1.25rem;
  border-radius: 16px;
  color: #fff;
  background: var(--grad-brand);
  box-shadow: 0 12px 24px -10px rgba(0, 115, 187, .7);
}
.card-icon svg { width: 26px; height: 26px; }

/* ---------- Lists ---------- */
.feature-list { list-style: none; margin: 1rem 0 1.1rem; padding: 0; }
.feature-list li {
  position: relative;
  padding: .45rem 0 .45rem 2rem;
  color: var(--slate-600);
}
.feature-list li::before {
  content: "";
  position: absolute; left: 0; top: .72rem;
  width: 1.2rem; height: 1.2rem; border-radius: 50%;
  background:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 10.5l3.2 3L15 7'/%3E%3C/svg%3E") center / 70% no-repeat,
    var(--grad-brand);
}
.feature-list strong { color: var(--navy-900); }

/* ---------- Service blocks ---------- */
.service-block {
  background: #fff;
  border: 1px solid rgba(7, 26, 51, .08);
  border-radius: var(--radius-lg);
  padding: clamp(1.4rem, 1rem + 2vw, 2.5rem);
  margin-bottom: clamp(1.25rem, 1rem + 1vw, 2rem);
  box-shadow: var(--shadow);
  transition: box-shadow .35s var(--ease);
}
.service-block:hover { box-shadow: var(--shadow-lg); }
.service-block h3 {
  margin: 0 0 .85rem;
  font-size: clamp(1.45rem, 1.2rem + 1vw, 1.9rem);
  color: var(--navy-900);
  letter-spacing: -0.02em;
}
.service-block h3::before {
  content: ""; display: block; width: 44px; height: 4px; border-radius: 4px; margin-bottom: 1rem; background: var(--grad-brand);
}
.service-block p { color: var(--slate-600); }
.service-block.has-img {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  gap: clamp(1.5rem, 1rem + 2.5vw, 3rem);
  align-items: center;
}
.service-block.has-img:nth-of-type(even) .service-img { order: 2; }
.service-img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
@media (max-width: 860px) {
  .service-block.has-img { grid-template-columns: 1fr; }
  .service-block.has-img:nth-of-type(even) .service-img { order: 0; }
  .service-img { aspect-ratio: 16 / 9; }
}

/* ---------- Steps ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
  gap: 1.25rem;
  counter-reset: step;
}
.step {
  position: relative;
  background: rgba(255, 255, 255, .75);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, .9);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: var(--shadow);
}
.step::before {
  counter-increment: step;
  content: "0" counter(step);
  display: inline-grid; place-items: center;
  width: 3rem; height: 3rem; margin-bottom: 1.1rem;
  border-radius: 14px;
  font: 800 1.05rem/1 var(--font-display);
  color: #fff;
  background: var(--grad-brand);
  box-shadow: 0 12px 24px -10px rgba(0, 115, 187, .7);
}
.step h3 { margin: 0 0 .4rem; font-size: 1.15rem; }
.step p { margin: 0; color: var(--slate-600); }

/* ---------- Split ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 1rem + 4vw, 4.5rem);
  align-items: center;
}
.split p { color: var(--slate-600); }
.split-img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}
.split-media { position: relative; }
.split-media::before {
  content: ""; position: absolute; inset: 8% -4% -6% 8%; z-index: -1; border-radius: var(--radius-lg);
  background: var(--grad-brand); opacity: .18; filter: blur(2px);
}
@media (max-width: 860px) { .split { grid-template-columns: 1fr; } }

.note { color: var(--slate-600); margin-top: 2rem; text-align: center; font-size: 1.05rem; }

/* ---------- CTA band ---------- */
.cta-band {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(4rem, 3rem + 4vw, 6.5rem) 0;
  text-align: center;
  color: #fff;
  background: var(--grad-deep);
}
.cta-band::before {
  content: ""; position: absolute; z-index: -1; left: 50%; top: -60%; width: 900px; height: 900px; transform: translateX(-50%);
  background: radial-gradient(closest-side, rgba(56, 189, 248, .28), transparent 70%);
}
.cta-band::after {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background-image: radial-gradient(rgba(255,255,255,.12) 1px, transparent 1px);
  background-size: 22px 22px;
  -webkit-mask-image: radial-gradient(ellipse 60% 80% at 50% 50%, #000 20%, transparent 70%);
  mask-image: radial-gradient(ellipse 60% 80% at 50% 50%, #000 20%, transparent 70%);
}
.cta-band .container { max-width: 52rem; }
.cta-band h2 { color: #fff; margin: 0 0 1rem; font-size: clamp(2rem, 1.4rem + 2.6vw, 3.1rem); }
.cta-band p { margin: 0 0 2rem; color: rgba(255, 255, 255, .85); }
.cta-band .contact-line {
  display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: .35rem .75rem;
  font-size: clamp(1rem, .95rem + .3vw, 1.15rem);
}
.cta-band a.phone {
  color: #fff; font-weight: 700; text-decoration: none;
  padding: .3rem .1rem; border-bottom: 1px solid rgba(125, 211, 252, .5);
}
.cta-band a.phone:hover { color: var(--cyan-300); border-bottom-color: var(--cyan-300); }
.cta-band .btn-primary { background: #fff; color: var(--navy-900); box-shadow: 0 16px 36px -12px rgba(0, 0, 0, .5); }
.cta-band .btn-primary:hover { color: var(--blue-600); }

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1.2fr);
  gap: clamp(1.5rem, 1rem + 3vw, 3.5rem);
  align-items: start;
}
@media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-info {
  background: #fff;
  border: 1px solid rgba(7, 26, 51, .08);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 1rem + 2vw, 2.25rem);
  box-shadow: var(--shadow);
}
.contact-info h3 { margin: 0 0 .5rem; color: var(--navy-900); font-size: 1.1rem; }
.contact-info p, .contact-info li { color: var(--slate-600); }
.contact-info ul { padding-left: 1.2rem; }
.contact-info .big-phone { margin: .25rem 0 .5rem; font: 800 clamp(1.7rem, 1.4rem + 1.2vw, 2.2rem)/1.1 var(--font-display); letter-spacing: -0.02em; }
.contact-info .big-phone a {
  background: var(--grad-brand); -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: var(--blue-500);
}
.contact-photo {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--radius);
  margin-top: 1.5rem;
}

.form {
  position: relative;
  background: rgba(255, 255, 255, .9);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(7, 26, 51, .08);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 1rem + 2vw, 2.5rem);
  box-shadow: var(--shadow-lg);
}
.form::before {
  content: ""; position: absolute; left: 2rem; right: 2rem; top: -1px; height: 3px; border-radius: 0 0 4px 4px; background: var(--grad-brand);
}
.form label {
  display: block;
  font-weight: 600;
  margin: 1.1rem 0 .4rem;
  color: var(--navy-800);
  font-size: .92rem;
}
.form label:first-child { margin-top: 0; }
.form input, .form textarea, .form select {
  width: 100%;
  min-height: 50px;
  padding: .8rem 1rem;
  border: 1.5px solid var(--slate-200);
  border-radius: 12px;
  font: inherit;
  font-size: 1rem;
  color: var(--ink);
  background: var(--slate-100);
  transition: border-color .2s var(--ease), background .2s var(--ease), box-shadow .2s var(--ease);
}
.form input:hover, .form textarea:hover, .form select:hover { border-color: var(--blue-200); }
.form input:focus, .form textarea:focus, .form select:focus {
  outline: none;
  background: #fff;
  border-color: var(--blue-500);
  box-shadow: 0 0 0 4px rgba(0, 115, 187, .15);
}
.form textarea { min-height: 150px; resize: vertical; }
.form .form-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.5rem; }
.form .hint { font-size: .85rem; color: var(--slate-500); margin-top: 1rem; }
.form .required { color: #c0392b; }

/* ---------- Footer ---------- */
.site-footer {
  position: relative;
  background: var(--navy-950);
  color: rgba(255, 255, 255, .75);
  padding: clamp(3.5rem, 2.5rem + 3vw, 5rem) 0 1.75rem;
}
.site-footer::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 3px; background: var(--grad-brand); }
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.2fr;
  gap: 2.5rem;
  margin-bottom: 2.75rem;
}
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr; gap: 2rem; } }
.site-footer h3 {
  margin: 0 0 1rem;
  color: #fff;
  font: 700 .8rem/1 var(--font-body);
  letter-spacing: .14em;
  text-transform: uppercase;
}
.site-footer a { color: rgba(255, 255, 255, .8); }
.site-footer a:hover { color: var(--cyan-300); text-decoration: none; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: .6rem; }
.footer-brand img {
  height: 72px; width: auto;
  margin-bottom: 1.25rem;
  background: #fff;
  border-radius: 14px;
  padding: 8px 14px;
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, .5);
}
.footer-brand .tagline {
  margin: 0 0 .5rem;
  font: 700 1.15rem/1.3 var(--font-display);
  background: linear-gradient(90deg, #fff, var(--cyan-300));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: #fff;
}
.footer-brand p { max-width: 24rem; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .1);
  padding-top: 1.5rem;
  font-size: .88rem;
  color: rgba(255, 255, 255, .6);
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: .5rem;
}

/* ---------- Utilities / a11y ---------- */
.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: 1rem; top: -100px; z-index: 200;
  padding: .75rem 1.25rem; border-radius: 999px;
  background: var(--navy-900); color: #fff; font-weight: 700;
  transition: top .2s var(--ease);
}
.skip-link:focus { top: .75rem; color: #fff; }

/* Reveal on scroll (only when JS is running) */
.js .reveal { opacity: 0; transform: translateY(22px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.js .reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  .js .reveal { opacity: 1; transform: none; }
  .card:hover, .btn:hover { transform: none; }
  .card:hover .card-img { transform: none; }
}
@media (forced-colors: active) {
  .text-gradient, .footer-brand .tagline, .contact-info .big-phone a { -webkit-text-fill-color: currentColor; background: none; }
}
@media print {
  .site-header, .nav-toggle, .cta-band::before, .hero::after { display: none; }
  .hero, .page-hero { background: none; color: #000; }
  .hero h1, .page-hero h1 { color: #000; }
}