/* =========================================================
   CIS-MIC IT Consultancy — main stylesheet
   ========================================================= */

:root {
  --navy-900: #06142e;
  --navy-800: #0a1f44;
  --navy-700: #0f2b5b;
  --blue-600: #1a6fe0;
  --blue-500: #2a7ff0;
  --blue-100: #e8f1fd;
  --purple-600: #6a2ff0;
  --purple-500: #7b3ff2;
  --cyan-400: #3ad0ff;

  --text: #1b2437;
  --text-muted: #5b6477;
  --bg: #ffffff;
  --bg-soft: #f3f7fc;
  --border: #e3eaf4;

  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 2px 8px rgba(15, 43, 91, 0.06);
  --shadow: 0 10px 30px rgba(15, 43, 91, 0.10);

  --font-head: "Poppins", system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", Arial, sans-serif;

  --header-h: 72px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4 { font-family: var(--font-head); margin: 0; line-height: 1.2; color: var(--navy-800); }
p { margin: 0; }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 56px 0; }
.muted { color: var(--text-muted); font-size: 14px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 26px;
  border-radius: var(--radius-sm);
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 14px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background .25s, color .25s, border-color .25s, transform .25s, box-shadow .25s;
  white-space: nowrap;
}
.btn i { font-size: 12px; transition: transform .25s; }
.btn:hover i { transform: translateX(3px); }
.btn--primary { background: var(--blue-600); color: #fff; }
.btn--primary:hover { background: #1558b8; box-shadow: 0 8px 20px rgba(26, 111, 224, .35); transform: translateY(-2px); }
.btn--outline-light { border-color: #fff; color: #fff; background: transparent; }
.btn--outline-light:hover { background: #fff; color: var(--navy-800); }
.btn--lg { padding: 14px 32px; min-width: 150px; }
.btn--sm { padding: 8px 20px; font-size: 13px; }

.link-arrow { color: var(--blue-600); font-weight: 500; font-size: 14px; display: inline-flex; align-items: center; gap: 8px; }
.link-arrow i { font-size: 12px; transition: transform .25s; }
.link-arrow:hover i { transform: translateX(4px); }

/* ---------- Section titles ---------- */
.section-title {
  font-size: 26px;
  font-weight: 700;
  position: relative;
  padding-bottom: 14px;
  margin-bottom: 22px;
}
.section-title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 34px;
  height: 3px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--purple-500), var(--blue-500));
}
.section-title--light { color: #fff; }
.section-title--plain { padding-bottom: 0; margin-bottom: 8px; }
.section-title--plain::after { display: none; }

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  flex-wrap: wrap;
}

.accent-line {
  display: block;
  width: 36px;
  height: 3px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--purple-500), var(--blue-500));
  margin-bottom: 22px;
}

/* ---------- Logo ---------- */
.logo { display: inline-flex; align-items: center; gap: 8px; position: relative; }
.logo__mark { width: 50px; height: 50px; flex-shrink: 0; }
.logo__text { display: flex; flex-direction: column; line-height: 1; font-family: var(--font-head); }
.logo__text strong { font-size: 19px; font-weight: 700; color: var(--navy-800); letter-spacing: .3px; }
.logo__text > span { font-size: 13px; font-weight: 700; color: var(--navy-800); letter-spacing: 1.2px; margin-top: 3px; }
.logo__text small { font-size: 7px; letter-spacing: 1px; color: var(--text-muted); margin-top: 4px; }
.logo__text small em {
  font-style: normal; background: var(--blue-600); color: #fff; padding: 1px 3px; border-radius: 2px; margin-right: 2px;
}
.logo__circuit {
  width: 22px; height: 44px;
  border: 2px solid var(--blue-600);
  border-left: none;
  border-radius: 0 4px 4px 0;
  position: relative;
  margin-left: -2px;
}
.logo__circuit::before,
.logo__circuit::after {
  content: ""; position: absolute; right: -6px; width: 7px; height: 7px; border: 2px solid var(--blue-600); border-radius: 50%; background: #fff;
}
.logo__circuit::before { top: 8px; }
.logo__circuit::after { bottom: 8px; }

.logo--light .logo__text strong,
.logo--light .logo__text > span { color: #fff; }
.logo--light .logo__text small { color: #b8c4dc; }
.logo--light .logo__circuit,
.logo--light .logo__circuit::before,
.logo--light .logo__circuit::after { border-color: var(--blue-500); background: transparent; }

/* ---------- Header ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .97);
  backdrop-filter: blur(8px);
  transition: box-shadow .3s;
}
.header.scrolled { box-shadow: 0 4px 20px rgba(10, 31, 68, .08); }
.header__inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); gap: 24px; }

.nav__list { display: flex; gap: 6px; }
.nav__link {
  display: block;
  padding: 8px 10px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  position: relative;
  transition: color .2s;
}
.nav__link::after {
  content: ""; position: absolute; left: 10px; right: 10px; bottom: 0; height: 2px;
  background: var(--blue-600); transform: scaleX(0); transition: transform .25s;
}
.nav__link:hover,
.nav__link.active { color: var(--blue-600); }
.nav__link:hover::after,
.nav__link.active::after { transform: scaleX(1); }
.nav__cta-mobile { display: none; }

.nav-toggle {
  display: none;
  width: 42px; height: 42px;
  border: none; background: transparent; cursor: pointer;
  flex-direction: column; justify-content: center; align-items: center; gap: 5px;
}
.nav-toggle span { width: 24px; height: 2px; background: var(--navy-800); border-radius: 2px; transition: transform .3s, opacity .3s; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  color: #fff;
  overflow: hidden;
  min-height: 420px;
  display: flex;
  align-items: center;
}
.hero__bg {
  position: absolute; inset: 0;
  background:
    linear-gradient(90deg, rgba(6, 20, 46, .96) 0%, rgba(10, 31, 68, .85) 42%, rgba(10, 31, 68, .35) 100%),
    url("https://images.unsplash.com/photo-1550751827-4bd374c3f58b?auto=format&fit=crop&w=1800&q=70") center/cover no-repeat,
    radial-gradient(circle at 75% 50%, #1b4fa0 0%, var(--navy-900) 70%);
}
.hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  align-items: center;
  gap: 40px;
  padding-top: 56px;
  padding-bottom: 56px;
}
.hero__title { color: #fff; font-size: clamp(32px, 4.6vw, 50px); font-weight: 700; margin-bottom: 20px; }
.hero__text { font-size: 17px; line-height: 1.6; color: #dbe5f5; max-width: 480px; margin-bottom: 30px; }
.hero__actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* Orbit graphic */
.hero__visual { display: flex; justify-content: center; }
.orbit { position: relative; width: 320px; height: 300px; }
.orbit__ring {
  position: absolute; left: 50%; top: 55%;
  border-radius: 50%;
  border: 1px dashed rgba(58, 208, 255, .45);
  transform: translate(-50%, -50%);
}
.orbit__ring--1 { width: 250px; height: 250px; animation: spin 40s linear infinite; }
.orbit__ring--2 { width: 150px; height: 150px; border-style: solid; border-color: rgba(58, 208, 255, .25); }
.orbit__globe {
  position: absolute; left: 50%; top: 55%;
  width: 96px; height: 96px;
  transform: translate(-50%, -50%);
  display: grid; place-items: center;
  font-size: 70px;
  color: var(--cyan-400);
  text-shadow: 0 0 25px rgba(58, 208, 255, .9);
  animation: pulse 3s ease-in-out infinite;
}
.orbit__node {
  position: absolute;
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  font-family: var(--font-head); font-size: 12px; font-weight: 600; letter-spacing: .6px;
  animation: float 4s ease-in-out infinite;
}
.orbit__node span {
  width: 42px; height: 42px; border-radius: 50%;
  display: grid; place-items: center;
  border: 2px solid rgba(255, 255, 255, .8);
  background: rgba(10, 31, 68, .6);
  box-shadow: 0 0 18px rgba(58, 208, 255, .6);
  font-size: 16px;
}
.orbit__node--integrate { left: 50%; top: 0; transform: translateX(-50%); animation-delay: .5s; }
.orbit__node--develop { left: 0; top: 28%; animation-delay: 1s; }
.orbit__node--secure { right: 0; top: 28%; animation-delay: 1.5s; }
.orbit__node--support { right: 8%; bottom: 0; animation-delay: 2s; }

@keyframes spin { to { transform: translate(-50%, -50%) rotate(360deg); } }
@keyframes pulse { 50% { text-shadow: 0 0 40px rgba(58, 208, 255, 1); } }
@keyframes float { 50% { margin-top: -6px; } }

/* ---------- About ---------- */
.about__grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 40px; align-items: center; }
.about__text p { color: var(--text-muted); font-size: 14px; margin-bottom: 24px; max-width: 360px; }
.about__text .btn { min-width: 115px; }

.about__media {
  display: grid;
  grid-template-columns: 1.8fr 1fr;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  min-height: 170px;
}
.about__image {
  position: relative;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, .88) 0%, rgba(255, 255, 255, .55) 70%, rgba(255, 255, 255, .15) 100%),
    url("https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?auto=format&fit=crop&w=900&q=70") center/cover no-repeat,
    linear-gradient(135deg, #cfe0f5, #7fa6d6);
  display: flex; align-items: center; padding: 24px 28px;
}
.about__logo { display: flex; align-items: center; gap: 10px; }
.about__logo .logo__mark { width: 70px; height: 70px; }
.logo__text--lg strong { font-size: 26px; }
.logo__text--lg > span { font-size: 18px; }
.logo__text--lg small { font-size: 9px; }

.about__panel {
  background: linear-gradient(160deg, var(--navy-700), var(--navy-900));
  color: #fff;
  padding: 20px 22px;
  display: flex; flex-direction: column; justify-content: center; gap: 16px;
  font-size: 13px;
}
.about__panel li { display: flex; align-items: center; gap: 12px; }
.about__panel i { color: #8fb8ff; font-size: 16px; width: 18px; text-align: center; }

/* ---------- Services ---------- */
.services { background: var(--bg-soft); }
.services__grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 8px;
}
.service-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 24px 12px 20px;
  text-align: center;
  transition: transform .3s, box-shadow .3s, border-color .3s;
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: transparent; }
.service-card i {
  font-size: 32px;
  margin-bottom: 14px;
  background: linear-gradient(135deg, var(--purple-500), var(--blue-500));
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.service-card h3 { font-size: 13px; font-weight: 500; color: var(--text); line-height: 1.4; }
.service-card p { font-size: 11px; color: var(--text-muted); margin-top: 8px; line-height: 1.4; }

/* ---------- Vision / Mission / Values ---------- */
.vmv { padding-bottom: 20px; }
.vmv__grid { display: grid; grid-template-columns: 2.1fr 1fr; gap: 16px; align-items: end; }
.vmv__cards { display: grid; grid-template-columns: 1fr 1.3fr 2fr; gap: 10px; }
.vmv-card {
  background: var(--bg-soft);
  border-radius: var(--radius-sm);
  padding: 20px 14px;
  font-size: 13px;
  color: var(--text-muted);
}
.vmv-card h3 { display: flex; align-items: center; gap: 10px; font-size: 16px; color: var(--blue-600); margin-bottom: 14px; font-weight: 600; }
.vmv-card h3 i { font-size: 24px; color: var(--purple-500); }
.check-list li { position: relative; padding-left: 22px; margin-bottom: 8px; font-size: 12.5px; line-height: 1.45; }
.check-list li::before {
  content: "\f00c"; font-family: "Font Awesome 6 Free"; font-weight: 900;
  position: absolute; left: 0; top: 1px; color: var(--blue-600); font-size: 11px;
}

.partner-card {
  position: relative;
  border-radius: var(--radius-sm);
  overflow: hidden;
  min-height: 225px;
  display: flex; align-items: flex-end;
  background:
    linear-gradient(180deg, rgba(10, 31, 68, 0) 30%, rgba(10, 31, 68, .95) 85%),
    url("https://images.unsplash.com/photo-1521791136064-7986c2920216?auto=format&fit=crop&w=800&q=70") center/cover no-repeat,
    linear-gradient(135deg, #3a5f9a, var(--navy-800));
}
.partner-card__content { padding: 20px 22px; color: #dbe5f5; font-size: 13px; }
.partner-card h3 { color: #fff; font-size: 17px; margin-bottom: 10px; }

/* ---------- Quality & Security ---------- */
.quality {
  position: relative;
  overflow: hidden;
  color: #c9d6ec;
  background:
    radial-gradient(circle at 85% 50%, rgba(42, 127, 240, .45), transparent 40%),
    linear-gradient(135deg, var(--navy-800), var(--navy-900));
  padding: 28px 0;
}
.quality::before {
  content: ""; position: absolute; inset: 0; opacity: .25; pointer-events: none;
  background-image:
    linear-gradient(rgba(58, 208, 255, .15) 1px, transparent 1px),
    linear-gradient(90deg, rgba(58, 208, 255, .15) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: linear-gradient(90deg, transparent 40%, #000);
  -webkit-mask-image: linear-gradient(90deg, transparent 40%, #000);
}
.quality__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.2fr 1.3fr .7fr;
  gap: 32px;
  align-items: center;
}
.quality__text p { font-size: 14px; margin-bottom: 18px; }
.quality__features { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.q-tile {
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: var(--radius-sm);
  padding: 18px 8px;
  text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: 12px;
  color: #fff;
  font-size: 12px;
  line-height: 1.35;
  transition: background .3s, transform .3s;
}
.q-tile:hover { background: rgba(42, 127, 240, .25); transform: translateY(-4px); }
.q-tile i { font-size: 26px; }

.quality__shield { display: flex; justify-content: center; }
.shield {
  width: 120px; height: 140px;
  display: grid; place-items: center;
  font-size: 40px; color: #fff;
  background: linear-gradient(160deg, rgba(58, 208, 255, .55), rgba(26, 111, 224, .25));
  clip-path: polygon(50% 0, 100% 15%, 100% 55%, 50% 100%, 0 55%, 0 15%);
  filter: drop-shadow(0 0 25px rgba(58, 208, 255, .9));
  animation: glow 3s ease-in-out infinite;
}
@keyframes glow { 50% { filter: drop-shadow(0 0 45px rgba(58, 208, 255, 1)); } }

/* ---------- Approach / Projects / People ---------- */
.triple__grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 32px; }
.triple .section-title { font-size: 20px; }

/* Approach cycle */
.cycle { position: relative; width: 100%; max-width: 340px; aspect-ratio: 1 / .64; margin: 0 auto; min-height: 220px; }
.cycle__ring {
  position: absolute; left: 50%; top: 50%;
  width: 62%; aspect-ratio: 1;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  border: 2px solid transparent;
  border-top-color: var(--blue-500);
  border-bottom-color: var(--purple-500);
  animation: spin 18s linear infinite;
}
.cycle__center {
  position: absolute; left: 50%; top: 50%;
  width: 45%; aspect-ratio: 1;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: radial-gradient(circle, #fff 30%, var(--blue-100) 100%);
  box-shadow: 0 0 0 6px rgba(42, 127, 240, .08), var(--shadow-sm);
  display: grid; place-items: center; text-align: center;
  padding: 10px;
  font-family: var(--font-head); font-weight: 600; font-size: 12px; color: var(--blue-600); line-height: 1.35;
}
.cycle__step {
  position: absolute;
  display: flex; align-items: center; gap: 8px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 40px;
  padding: 5px 12px 5px 5px;
  box-shadow: var(--shadow-sm);
  max-width: 45%;
  transition: transform .25s, box-shadow .25s;
}
.cycle__step:hover { transform: scale(1.05); box-shadow: var(--shadow); z-index: 2; }
.cycle__step strong { display: block; font-family: var(--font-head); font-size: 12px; color: var(--navy-800); }
.cycle__step small { display: block; font-size: 10px; color: var(--text-muted); line-height: 1.3; }
.cycle__icon {
  flex-shrink: 0;
  width: 30px; height: 30px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--blue-100); color: var(--blue-600); font-size: 13px;
}
.cycle__step--promote .cycle__icon,
.cycle__step--approach .cycle__icon { background: #f0e8ff; color: var(--purple-600); }
.cycle__step--study { left: 0; top: 0; }
.cycle__step--approach { right: 0; top: 0; }
.cycle__step--connect { right: 0; top: 58%; }
.cycle__step--promote { left: 0; top: 58%; }
.cycle__step--inform { left: 50%; bottom: -12px; transform: translateX(-50%); }
.cycle__step--inform:hover { transform: translateX(-50%) scale(1.05); }

/* Projects */
.projects__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 14px; }
.project-tile {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-sm);
  overflow: hidden;
  display: flex; align-items: flex-end;
  background-size: cover; background-position: center;
  transition: transform .3s, box-shadow .3s;
}
.project-tile::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(6, 20, 46, .9));
}
.project-tile span {
  position: relative; padding: 8px 10px; color: #fff;
  font-family: var(--font-head); font-size: 11.5px; font-weight: 500;
  display: flex; align-items: center; gap: 6px;
}
.project-tile:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.project-tile--gov {
  background-image: url("https://images.unsplash.com/photo-1555848962-6e79363ec58f?auto=format&fit=crop&w=600&q=70"), linear-gradient(135deg, #8aa7c9, #34507a);
}
.project-tile--intl {
  background-image: url("https://images.unsplash.com/photo-1529107386315-e1a2ed48a620?auto=format&fit=crop&w=600&q=70"), linear-gradient(135deg, #3b6db3, #10284f);
}
.project-tile--private {
  background-image: url("https://images.unsplash.com/photo-1477959858617-67f85cf4f1df?auto=format&fit=crop&w=600&q=70"), linear-gradient(135deg, #2c63b5, #0a1f44);
}
.project-tile--sme {
  background-image: url("https://images.unsplash.com/photo-1600880292203-757bb62b4baf?auto=format&fit=crop&w=600&q=70"), linear-gradient(135deg, #6b7c93, #25324a);
}

/* People */
.people__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; margin-top: 14px; }
.mini-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 6px;
  text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  font-size: 12px; line-height: 1.3; color: var(--text);
  transition: box-shadow .3s, transform .3s;
}
.mini-card:hover { box-shadow: var(--shadow); transform: translateY(-4px); }
.mini-card i { font-size: 22px; color: var(--blue-600); }
.mini-card:last-child i { color: var(--navy-700); }

.figures-title { margin-top: 20px; margin-bottom: 12px; }
.figures { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.figure {
  display: flex; align-items: center; justify-content: center; gap: 12px;
  background: var(--bg-soft);
  border-radius: var(--radius-sm);
  padding: 14px 10px;
}
.figure i { font-size: 26px; color: var(--purple-500); }
.figure strong { display: block; font-family: var(--font-head); font-size: 24px; color: var(--blue-600); line-height: 1; }
.figure small { font-size: 10.5px; color: var(--text-muted); }

/* ---------- Footer ---------- */
.footer { background: var(--navy-800); color: #c9d6ec; font-size: 13px; }
.footer__grid {
  display: grid;
  grid-template-columns: 1.2fr 1.3fr 1fr .9fr;
  gap: 32px;
  padding-top: 28px; padding-bottom: 28px;
  align-items: start;
}
.footer h4 { color: #fff; font-size: 14px; margin-bottom: 12px; }
.footer__links { display: grid; grid-template-columns: 1fr 1fr; gap: 4px 24px; }
.footer a:hover { color: #fff; }
.footer__links a { transition: color .2s, padding-left .2s; }
.footer__links a:hover { padding-left: 4px; }
.footer__contact li { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; }
.footer__contact i { width: 14px; text-align: center; color: #fff; }
.footer__col:first-of-type { border-right: 1px solid rgba(255, 255, 255, .12); }

.socials { display: flex; gap: 8px; }
.social {
  width: 28px; height: 28px; border-radius: 4px;
  display: grid; place-items: center;
  color: #fff; font-size: 14px;
  transition: transform .25s;
}
.social:hover { transform: translateY(-3px); }
.social--in { background: #0a66c2; }
.social--tw { background: #1da1f2; }
.social--fb { background: #1877f2; }
.social--yt { background: #e62117; }

.footer__bottom { background: var(--navy-900); font-size: 12px; }
.footer__bottom-inner { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding-top: 12px; padding-bottom: 12px; flex-wrap: wrap; }
.footer__tagline { border-left: 1px solid rgba(255, 255, 255, .25); padding-left: 14px; }

/* ---------- Back to top ---------- */
.back-to-top {
  position: fixed; right: 20px; bottom: 20px; z-index: 90;
  width: 44px; height: 44px; border-radius: 50%;
  border: none; cursor: pointer;
  background: var(--blue-600); color: #fff;
  box-shadow: 0 6px 18px rgba(26, 111, 224, .4);
  opacity: 0; visibility: hidden; transform: translateY(12px);
  transition: opacity .3s, transform .3s, visibility .3s;
}
.back-to-top.show { opacity: 1; visibility: visible; transform: none; }

/* ---------- Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 1100px) {
  .services__grid { grid-template-columns: repeat(4, 1fr); }
  .vmv__grid { grid-template-columns: 1fr; }
  .partner-card { min-height: 200px; }
  .quality__grid { grid-template-columns: 1fr 1fr; }
  .quality__shield { display: none; }
  .triple__grid { grid-template-columns: 1fr 1fr; }
  .people { grid-column: 1 / -1; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .footer__col:first-of-type { border-right: none; }
}

@media (max-width: 960px) {
  .header__cta { display: none; }
  .nav-toggle { display: flex; }
  .nav {
    position: fixed;
    top: var(--header-h); left: 0; right: 0;
    background: #fff;
    box-shadow: 0 12px 24px rgba(10, 31, 68, .12);
    padding: 12px 24px 24px;
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: transform .35s, opacity .35s, visibility .35s;
  }
  .nav.open { transform: none; opacity: 1; visibility: visible; }
  .nav__list { flex-direction: column; gap: 0; }
  .nav__link { padding: 12px 0; border-bottom: 1px solid var(--border); }
  .nav__link::after { display: none; }
  .nav__cta-mobile { display: flex; margin-top: 16px; width: 100%; }

  .hero__inner { grid-template-columns: 1fr; text-align: left; }
  .hero__visual { display: none; }
  .about__grid { grid-template-columns: 1fr; }
  .about__text p { max-width: none; }
  .quality__grid { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .section { padding: 44px 0; }
  .services__grid { grid-template-columns: repeat(2, 1fr); }
  .vmv__cards { grid-template-columns: 1fr; }
  .about__media { grid-template-columns: 1fr; }
  .quality__features { grid-template-columns: repeat(2, 1fr); }
  .triple__grid { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .footer__bottom-inner { justify-content: center; text-align: center; }
  .footer__tagline { border-left: none; padding-left: 0; }
}

@media (max-width: 420px) {
  .container { padding: 0 16px; }
  .logo__text--lg strong { font-size: 20px; }
  .logo__text--lg > span { font-size: 14px; }
  .about__logo .logo__mark { width: 54px; height: 54px; }
  .hero__actions .btn { flex: 1; }
  .cycle__step small { display: none; }
}