/* ============================================================
   Sydney Tank Cleaners — design system
   Colors: trustworthy blue + white + dark ink
   ============================================================ */

:root {
  --blue-50: #eff6ff;
  --blue-100: #dbeafe;
  --blue-200: #bfdbfe;
  --blue-500: #2563eb;
  --blue-600: #1d4ed8;
  --blue-700: #1e40af;
  --blue-900: #0b2a4a;

  --accent: #f59e0b;     /* subtle warm accent */
  --accent-600: #d97706;

  --ink: #0f172a;        /* near-black text */
  --ink-2: #334155;      /* body text */
  --muted: #64748b;      /* secondary text */
  --line: #e2e8f0;       /* borders */
  --bg: #ffffff;
  --bg-soft: #f6f9fc;
  --bg-band: #f1f5fb;

  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 22px;

  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow: 0 10px 30px -12px rgba(15, 23, 42, 0.18);
  --shadow-lg: 0 22px 50px -20px rgba(15, 23, 42, 0.28);

  --maxw: 1180px;
  --gutter: 1.25rem;

  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

/* Reset & base */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Oxygen, Ubuntu, Cantarell, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink-2);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
h1, h2, h3, h4 {
  font-family: inherit;
  color: var(--ink);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 0 0 0.5em;
}
h1 { font-size: clamp(2rem, 4.2vw + 1rem, 3.5rem); font-weight: 800; }
h2 { font-size: clamp(1.7rem, 2.4vw + 1rem, 2.4rem); font-weight: 800; }
h3 { font-size: 1.2rem; font-weight: 700; }
p  { margin: 0 0 1rem; }
.lead { font-size: 1.1rem; color: var(--ink-2); }

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.accent { color: var(--blue-600); }
.muted  { color: var(--muted); }
.eyebrow {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--blue-600);
  background: var(--blue-50);
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  margin-bottom: 0.9rem;
}

/* Buttons */
.btn {
  --bg: var(--blue-600);
  --fg: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.75rem 1.15rem;
  border-radius: 999px;
  background: var(--bg);
  color: var(--fg);
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1;
  border: 1px solid transparent;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease),
    background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); box-shadow: var(--shadow); }
.btn:active { transform: translateY(0); }
.btn--primary { --bg: var(--blue-600); }
.btn--primary:hover { --bg: var(--blue-700); }
.btn--ghost {
  --bg: #fff; --fg: var(--ink);
  border-color: var(--line);
}
.btn--ghost:hover { border-color: var(--blue-200); color: var(--blue-700); }
.btn--white { --bg: #fff; --fg: var(--blue-900); }
.btn--outline-white {
  --bg: transparent; --fg: #fff;
  border-color: rgba(255,255,255,0.6);
}
.btn--outline-white:hover { --bg: rgba(255,255,255,0.1); border-color: #fff; }
.btn--lg { padding: 0.95rem 1.5rem; font-size: 1rem; }
.btn--block { width: 100%; }

/* Chip / small pill */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--blue-50);
  color: var(--blue-700);
  border: 1px solid var(--blue-100);
  border-radius: 999px;
  padding: 0.35rem 0.8rem;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1rem;
}
.chip__dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 0 4px rgba(34,197,94,0.18);
}

/* Top bar */
.top-bar {
  background: var(--blue-900);
  color: #dbeafe;
  font-size: 0.82rem;
  padding: 0.5rem 0;
}
.top-bar__inner {
  display: flex;
  gap: 0.9rem;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
}
.top-bar .dot { opacity: 0.5; }

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(1.4) blur(10px);
  -webkit-backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease), background 0.2s var(--ease);
}
.header.is-scrolled {
  background: rgba(255,255,255,0.95);
  border-bottom-color: var(--line);
  box-shadow: 0 6px 24px -12px rgba(15,23,42,0.12);
}
.header__inner {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem var(--gutter);
  max-width: var(--maxw);
  margin: 0 auto;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--ink);
  font-weight: 700;
}
.brand__logo {
  width: 40px; height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--blue-600), var(--blue-900));
  color: #fff;
  box-shadow: 0 8px 24px -10px rgba(29,78,216,0.5);
}
.brand__text { display: flex; flex-direction: column; line-height: 1.1; }
.brand__name { font-size: 1rem; font-weight: 700; }
.brand__tag  { font-size: 0.75rem; color: var(--muted); font-weight: 500; }

.nav {
  display: none;
  gap: 1.25rem;
  margin-left: auto;
  margin-right: 0.75rem;
}
.nav a {
  color: var(--ink-2);
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  padding: 0.35rem 0;
  transition: color 0.15s var(--ease);
}
.nav a:hover { color: var(--blue-700); }
.nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 2px; background: var(--blue-600);
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.2s var(--ease);
}
.nav a:hover::after { transform: scaleX(1); }

.header__cta { display: none; }

.menu-toggle {
  margin-left: auto;
  width: 42px; height: 42px;
  border-radius: 10px;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  border: 1px solid var(--line);
  background: #fff;
}
.menu-toggle span {
  width: 20px; height: 2px; background: var(--ink); border-radius: 2px;
  transition: transform 0.2s var(--ease), opacity 0.2s var(--ease);
}
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.75rem var(--gutter) 1rem;
  border-top: 1px solid var(--line);
  background: #fff;
}
.mobile-nav[hidden] { display: none; }
.mobile-nav a {
  padding: 0.7rem 0.5rem;
  border-radius: 10px;
  color: var(--ink);
  font-weight: 500;
}
.mobile-nav a:hover { background: var(--blue-50); color: var(--blue-700); }
.mobile-nav .btn { margin-top: 0.5rem; }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  padding: 3rem 0 4rem;
  background:
    radial-gradient(1000px 500px at 90% -10%, rgba(37,99,235,0.08), transparent 60%),
    radial-gradient(600px 300px at 10% 10%, rgba(37,99,235,0.06), transparent 60%),
    linear-gradient(180deg, #fff 0%, var(--bg-soft) 100%);
  overflow: hidden;
}
.hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
}
.hero__content p.lead { max-width: 56ch; }
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.5rem 0 1.25rem;
}
.hero__trust {
  list-style: none;
  padding: 0; margin: 1rem 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.25rem;
  color: var(--ink-2);
}
.hero__trust li {
  display: inline-flex;
  gap: 0.4rem;
  align-items: center;
  font-weight: 500;
  font-size: 0.95rem;
}
.hero__trust svg { color: var(--blue-600); }

.hero__media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 5 / 4;
  background: linear-gradient(135deg, var(--blue-900), var(--blue-600));
}
.hero__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transform: scale(1.01);
  transition: transform 1.2s var(--ease);
}
.hero__media:hover img { transform: scale(1.04); }
.hero__badge {
  position: absolute;
  left: 1rem; bottom: 1rem;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(6px);
  border-radius: var(--radius);
  padding: 0.7rem 0.95rem;
  display: flex;
  flex-direction: column;
  line-height: 1.15;
  box-shadow: var(--shadow);
}
.hero__badge strong { color: var(--ink); font-size: 1.05rem; }
.hero__badge span { color: var(--accent-600); font-size: 0.85rem; font-weight: 600; letter-spacing: 0.03em; }

/* ============================================================
   Sections
   ============================================================ */
.section { padding: 4.5rem 0; }
.section--muted { background: var(--bg-soft); }
.section__head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 2.5rem;
}
.section__head p { color: var(--muted); }

.grid { display: grid; gap: 1.25rem; }
.grid--3 { grid-template-columns: 1fr; }
.grid--4 { grid-template-columns: 1fr; }
.grid--5 { grid-template-columns: 1fr; }

/* Centered CTA block under sections */
.services__cta {
  margin-top: 2rem;
  display: flex;
  justify-content: center;
}

/* Service Areas grid */
.areas {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.5rem 1.5rem;
  margin: 0 0 1.25rem;
}
.areas ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--ink);
}
.areas li {
  padding: 0.15rem 0;
  color: var(--muted);
}
.areas__note {
  color: var(--muted);
  text-align: center;
  margin: 1rem 0 0;
}

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), border-color 0.25s var(--ease);
}
.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  border-color: var(--blue-100);
}

/* Service cards */
.service__icon {
  width: 52px; height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: var(--blue-50);
  color: var(--blue-700);
  margin-bottom: 1rem;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), transform 0.2s var(--ease);
}
.service:hover .service__icon {
  background: var(--blue-600); color: #fff;
  transform: rotate(-6deg) scale(1.05);
}
.service h3 { margin-bottom: 0.35rem; }
.service p { color: var(--muted); margin: 0; }

/* Steps */
.steps {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 1.25rem;
  grid-template-columns: 1fr;
  counter-reset: step;
  position: relative;
}
.step {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.75rem 1.5rem 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.step:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.step__num {
  position: absolute;
  top: -18px; left: 1.25rem;
  width: 40px; height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--blue-600), var(--blue-900));
  color: #fff;
  font-weight: 800;
  display: inline-flex; align-items: center; justify-content: center;
  box-shadow: 0 10px 24px -10px rgba(37,99,235,0.55);
}
.step__icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--blue-50);
  color: var(--blue-700);
  display: inline-flex; align-items: center; justify-content: center;
  margin-bottom: 0.9rem;
}
.step h3 { margin-bottom: 0.3rem; }
.step p { color: var(--muted); margin: 0; }

/* Why us */
.why__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: start;
}
.checks {
  list-style: none;
  padding: 0; margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.9rem;
}
.checks li {
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.checks li:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.checks .check {
  flex: 0 0 auto;
  width: 28px; height: 28px;
  border-radius: 8px;
  background: var(--blue-600);
  color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
}
.checks strong { display: block; color: var(--ink); }
.checks span { color: var(--muted); font-size: 0.95rem; }

/* Stats */
.stats { background: var(--blue-900); color: #dbeafe; padding: 2.5rem 0; }
.stats__grid {
  display: grid; gap: 1rem;
  grid-template-columns: repeat(2, 1fr);
  text-align: center;
}
.stat strong {
  display: block;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  color: #fff; font-weight: 800;
}
.stat span { font-size: 0.9rem; opacity: 0.85; }

/* Gallery */
.gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.6rem;
}
.gallery__item {
  padding: 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
  aspect-ratio: 1 / 1;
  position: relative;
  box-shadow: var(--shadow-sm);
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.gallery__item::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(11,42,74,0.55) 100%);
  opacity: 0;
  transition: opacity 0.25s var(--ease);
}
.gallery__item img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--ease);
}
.gallery__item:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.gallery__item:hover::after { opacity: 1; }
.gallery__item:hover img { transform: scale(1.05); }

/* Reviews */
.review .stars { color: var(--accent); font-size: 1.1rem; letter-spacing: 2px; margin-bottom: 0.6rem; }
.review p { color: var(--ink-2); font-size: 0.98rem; }
.review__footer {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin-top: 1rem;
  padding-top: 0.9rem;
  border-top: 1px solid var(--line);
}
.review__footer strong { display: block; color: var(--ink); font-size: 0.95rem; }
.review__footer span { color: var(--muted); font-size: 0.85rem; }

/* Reviews marquee (auto side-scrolling carousel) */
.reviews-marquee {
  position: relative;
  width: 100%;
  margin-top: 2rem;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(
    to right,
    transparent 0,
    #000 80px,
    #000 calc(100% - 80px),
    transparent 100%
  );
          mask-image: linear-gradient(
    to right,
    transparent 0,
    #000 80px,
    #000 calc(100% - 80px),
    transparent 100%
  );
}
.reviews-marquee__track {
  display: flex;
  width: max-content;
  gap: 1.25rem;
  padding: 0.5rem 1rem;
  animation: reviews-scroll 140s linear infinite;
  will-change: transform;
}
.reviews-marquee:hover .reviews-marquee__track,
.reviews-marquee:focus-within .reviews-marquee__track {
  animation-play-state: paused;
}
.reviews-marquee .review {
  flex: 0 0 340px;
  width: 340px;
  display: flex;
  flex-direction: column;
}
.reviews-marquee .review p {
  flex: 1;
}
@keyframes reviews-scroll {
  from { transform: translate3d(0, 0, 0); }
  to   { transform: translate3d(-50%, 0, 0); }
}
@media (prefers-reduced-motion: reduce) {
  .reviews-marquee__track {
    animation: none;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
  }
  .reviews-marquee .review { scroll-snap-align: start; }
}
@media (max-width: 600px) {
  .reviews-marquee .review { flex-basis: 280px; width: 280px; }
  .reviews-marquee__track { animation-duration: 110s; }
}
.avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue-500), var(--blue-900));
  color: #fff;
  font-weight: 700;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 0.85rem;
  letter-spacing: 0.02em;
}
.reviews__note { text-align: center; color: var(--muted); margin-top: 1.5rem; font-size: 0.9rem; }
.stars { color: var(--accent); letter-spacing: 2px; }

/* Big CTA */
.cta {
  background:
    radial-gradient(600px 300px at 10% 0%, rgba(255,255,255,0.08), transparent 60%),
    linear-gradient(135deg, var(--blue-700), var(--blue-900));
  color: #fff;
  padding: 3rem 0;
}
.cta h2 { color: #fff; }
.cta p { color: #dbeafe; margin: 0.25rem 0 0; }
.cta__inner {
  display: flex; flex-direction: column; gap: 1.25rem;
  align-items: flex-start;
}
.cta__buttons { display: flex; gap: 0.75rem; flex-wrap: wrap; }

/* Contact / Form */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}
.contact__list {
  list-style: none; padding: 0;
  display: flex; flex-direction: column; gap: 0.7rem;
  margin-top: 1.2rem;
}
.contact__list li {
  display: flex; gap: 0.6rem; align-items: center;
  color: var(--ink-2);
}
.contact__list svg { color: var(--blue-600); flex: 0 0 auto; }
.contact__list a:hover { color: var(--blue-700); text-decoration: underline; }

.form { display: grid; grid-template-columns: 1fr; gap: 0.9rem; }
.field { display: flex; flex-direction: column; gap: 0.35rem; }
.field--full { grid-column: 1 / -1; }
.field label { font-weight: 600; color: var(--ink); font-size: 0.92rem; }
.field input, .field select, .field textarea {
  width: 100%;
  font: inherit; color: var(--ink);
  padding: 0.75rem 0.9rem;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #fff;
  transition: border-color 0.15s var(--ease), box-shadow 0.15s var(--ease);
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--blue-500);
  box-shadow: 0 0 0 4px rgba(37,99,235,0.14);
}
.form__note { font-size: 0.9rem; color: var(--muted); min-height: 1.2em; margin: 0.25rem 0 0; }
.form__note.is-success { color: #166534; }
.form__note.is-error   { color: #b91c1c; }

/* FAQ */
.faq { display: grid; gap: 0.75rem; max-width: 820px; margin: 0 auto; }
.faq__item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.2rem 0;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s var(--ease), border-color 0.2s var(--ease);
}
.faq__item[open] { box-shadow: var(--shadow); border-color: var(--blue-100); }
.faq__item summary {
  list-style: none;
  cursor: pointer;
  padding: 1.1rem 1.25rem;
  font-weight: 600;
  color: var(--ink);
  position: relative;
  padding-right: 3rem;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after {
  content: "+";
  position: absolute;
  right: 1.1rem; top: 50%;
  transform: translateY(-50%);
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--blue-50);
  color: var(--blue-700);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 1.2rem; font-weight: 700;
  transition: transform 0.2s var(--ease), background 0.2s var(--ease);
}
.faq__item[open] summary::after { content: "–"; background: var(--blue-600); color: #fff; }
.faq__body { padding: 0 1.25rem 1.1rem; color: var(--muted); }
.faq__body p { margin: 0; }

/* Footer */
.footer {
  background: #0a223d;
  color: #cbd5e1;
  padding: 3.5rem 0 0;
}
.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}
.footer h4 {
  color: #fff; margin: 0 0 1rem;
  font-size: 1rem; letter-spacing: 0.02em;
}
.footer__about { max-width: 40ch; margin-bottom: 1.2rem; }
.footer__list {
  list-style: none; padding: 0; margin: 0;
  display: grid; gap: 0.4rem;
}
.footer__list a { color: #cbd5e1; }
.footer__list a:hover { color: #fff; text-decoration: underline; }
.footer__list--contact { gap: 0.55rem; }
.footer__areas { margin-bottom: 0.75rem; color: #94a3b8; }

.brand--footer { color: #fff; margin-bottom: 0.9rem; }
.brand--footer .brand__name { color: #fff; }
.brand--footer .brand__tag  { color: #94a3b8; }

.footer__bottom {
  margin-top: 2.5rem;
  padding: 1.25rem 0;
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: 0.85rem;
}
.footer__bottom-inner {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  align-items: center;
  text-align: center;
}
.footer__legal { color: #94a3b8; margin: 0; }
.footer__bottom p { margin: 0; }

/* Sticky mobile call button */
.mobile-call {
  position: fixed;
  left: 50%; transform: translateX(-50%);
  bottom: 14px;
  z-index: 45;
  background: linear-gradient(135deg, var(--blue-600), var(--blue-700));
  color: #fff;
  padding: 0.85rem 1.2rem;
  border-radius: 999px;
  font-weight: 700;
  box-shadow: 0 18px 40px -12px rgba(29,78,216,0.5), 0 4px 14px rgba(0,0,0,0.12);
  display: inline-flex; align-items: center; gap: 0.55rem;
  animation: pulse 2.4s infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 18px 40px -12px rgba(29,78,216,0.5), 0 0 0 0 rgba(29,78,216,0.45); }
  50%      { box-shadow: 0 18px 40px -12px rgba(29,78,216,0.5), 0 0 0 14px rgba(29,78,216,0); }
}

/* Lightbox */
.lightbox {
  position: fixed; inset: 0;
  background: rgba(7, 15, 30, 0.9);
  z-index: 60;
  display: flex; align-items: center; justify-content: center;
  padding: 2rem;
  opacity: 0;
  animation: fadein 0.2s var(--ease) forwards;
}
.lightbox[hidden] { display: none; }
@keyframes fadein { to { opacity: 1; } }
.lightbox__img {
  max-width: 100%;
  max-height: 85vh;
  border-radius: 12px;
  box-shadow: 0 30px 80px rgba(0,0,0,0.5);
  background: #0b2a4a;
}
.lightbox__close,
.lightbox__nav {
  position: absolute;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,0.12);
  color: #fff;
  font-size: 1.2rem;
  display: inline-flex; align-items: center; justify-content: center;
  backdrop-filter: blur(6px);
  transition: background 0.15s var(--ease), transform 0.15s var(--ease);
}
.lightbox__close:hover,
.lightbox__nav:hover { background: rgba(255,255,255,0.25); transform: scale(1.05); }
.lightbox__close { top: 18px; right: 18px; font-size: 1.6rem; }
.lightbox__nav--prev { left: 18px; }
.lightbox__nav--next { right: 18px; }
.lightbox__counter {
  position: absolute;
  bottom: 20px;
  color: #cbd5e1;
  font-size: 0.9rem;
  letter-spacing: 0.06em;
}

/* Reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
  .mobile-call { animation: none; }
  html { scroll-behavior: auto; }
}

/* ============================================================
   Breakpoints
   ============================================================ */
@media (min-width: 560px) {
  .stats__grid { grid-template-columns: repeat(4, 1fr); }
  .gallery { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 720px) {
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .grid--5 { grid-template-columns: repeat(2, 1fr); }
  .steps   { grid-template-columns: repeat(3, 1fr); }
  .form    { grid-template-columns: 1fr 1fr; }
  .contact__grid { grid-template-columns: 1fr 1.1fr; gap: 3rem; align-items: start; }
  .cta__inner { flex-direction: row; align-items: center; justify-content: space-between; }
  .gallery { grid-template-columns: repeat(4, 1fr); }
  .areas   { grid-template-columns: repeat(2, 1fr); }
  .footer__bottom-inner { flex-direction: row; justify-content: space-between; text-align: left; }
  .footer__grid { grid-template-columns: 1.3fr 1fr 1fr 1fr; }
}

@media (min-width: 960px) {
  .grid--3 { grid-template-columns: repeat(3, 1fr); }
  .grid--4 { grid-template-columns: repeat(4, 1fr); }
  .grid--5 { grid-template-columns: repeat(5, 1fr); }
  .hero__grid { grid-template-columns: 1.05fr 1fr; gap: 3.5rem; }
  .hero { padding: 5rem 0 6rem; }
  .why__grid { grid-template-columns: 1fr 1.1fr; gap: 3rem; }
  .checks { grid-template-columns: 1fr 1fr; }
  .gallery { grid-template-columns: repeat(5, 1fr); gap: 0.75rem; }
  .areas   { grid-template-columns: repeat(3, 1fr); }
  .nav { display: inline-flex; }
  .header__cta { display: inline-flex; }
  .menu-toggle { display: none; }
  .mobile-nav { display: none !important; }
  .mobile-call { display: none; }
  .section { padding: 6rem 0; }
}

@media (min-width: 1100px) {
  .gallery { grid-template-columns: repeat(5, 1fr); }
}