/* =====================================================================
   Build On Communications - v2
   Design read: B2B sustainability-communications agency landing.
   Audience: government, institutions, enterprise (trust-first + brand).
   Language: clean, professional, "helloreporter"-style. Light theme locked.
   Single accent: brand blue #008ECD (from logo). Dials ~ VAR 6 / MOTION 5 / DENSITY 4.
   ===================================================================== */

:root {
  /* Brand (sampled from logo) */
  --brand: #008ECD;
  --brand-bright: #00B0EC;
  --brand-strong: #0072AB;   /* button/link text on white, WCAG AA */
  --brand-deep: #07435F;

  /* Ink + text */
  --ink: #0C2A3A;
  --body: #415862;
  --muted: #5C6F78;

  /* Surfaces */
  --bg: #FFFFFF;
  --bg-soft: #F1F8FC;
  --bg-tint: #E7F3FB;
  --line: #E2ECF2;
  --deep: #0A2A3D;
  --deep-2: #0E3C57;

  /* Type */
  --font-display: 'Outfit', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-body: 'DM Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --fs-hero: clamp(2.4rem, 1.4rem + 3.6vw, 4.05rem);
  --fs-h2: clamp(1.85rem, 1.2rem + 2.2vw, 2.85rem);
  --fs-h3: clamp(1.15rem, 1.05rem + 0.4vw, 1.35rem);
  --fs-lead: clamp(1.08rem, 1.0rem + 0.4vw, 1.28rem);
  --fs-body: 1.0625rem;
  --fs-sm: 0.92rem;
  --fs-xs: 0.8rem;

  /* Layout */
  --container: 1200px;
  --gutter: clamp(1.15rem, 0.6rem + 2.4vw, 2rem);
  --section-pad: clamp(4.25rem, 2.5rem + 6vw, 7.5rem);
  --nav-h: 100px;

  /* Shape (documented scale: pill buttons, soft cards 18px, inputs 12px, frames 24px) */
  --r-xs: 8px;
  --r-sm: 12px;
  --r: 18px;
  --r-lg: 24px;
  --r-pill: 999px;

  /* Tinted shadows */
  --shadow-sm: 0 2px 12px -4px rgba(10, 60, 92, 0.14);
  --shadow: 0 18px 44px -22px rgba(8, 62, 95, 0.34);
  --shadow-lg: 0 34px 70px -30px rgba(8, 78, 122, 0.40);

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --t-fast: 0.18s var(--ease);
  --t: 0.32s var(--ease);
}

/* ---------- Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 12px);
}

body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.68;
  color: var(--body);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg, video { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; padding: 0; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; }
input, textarea { font: inherit; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--ink);
  line-height: 1.1;
  font-weight: 700;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

p { text-wrap: pretty; }

::selection { background: var(--brand); color: #fff; }

:focus-visible {
  outline: 3px solid var(--brand-bright);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- Helpers ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.skip-link {
  position: fixed;
  top: -100px;
  left: 16px;
  z-index: 1000;
  background: var(--brand-strong);
  color: #fff;
  padding: 0.7rem 1.1rem;
  border-radius: var(--r-sm);
  font-weight: 600;
  transition: top var(--t);
}
.skip-link:focus { top: 14px; }

.text-grad {
  background: linear-gradient(100deg, var(--brand) 10%, var(--brand-bright) 90%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-display);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brand-strong);
}
.eyebrow-mark {
  width: 22px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--brand), var(--brand-bright));
}
.eyebrow-light { color: #BDE7FB; }
.eyebrow-light .eyebrow-mark { background: linear-gradient(90deg, var(--brand-bright), #fff); }

/* ---------- Buttons ---------- */
.btn {
  --btn-bg: var(--brand-strong);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.92rem 1.6rem;
  border-radius: var(--r-pill);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  line-height: 1;
  letter-spacing: 0.005em;
  white-space: nowrap;
  transition: transform var(--t-fast), box-shadow var(--t), background var(--t), color var(--t);
}
.btn-primary {
  background: var(--btn-bg);
  color: #fff;
  box-shadow: 0 12px 26px -12px rgba(0, 114, 171, 0.7);
}
.btn-primary:hover {
  background: linear-gradient(100deg, var(--brand-strong), var(--brand));
  transform: translateY(-2px);
  box-shadow: 0 18px 34px -12px rgba(0, 130, 196, 0.6);
}
.btn-primary:active { transform: translateY(0); }

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1.5px solid var(--line);
}
.btn-ghost:hover {
  border-color: var(--brand);
  color: var(--brand-strong);
  transform: translateY(-2px);
  background: var(--bg-soft);
}
.btn-block { width: 100%; }

/* ---------- Scroll progress ---------- */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 100%;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--brand), var(--brand-bright));
  z-index: 1001;
  will-change: transform;
}

/* ---------- Navbar ---------- */
.navbar {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 900;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition: background var(--t), box-shadow var(--t), border-color var(--t);
  border-bottom: 1px solid transparent;
}
.navbar.is-scrolled {
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom-color: var(--line);
  box-shadow: var(--shadow-sm);
}
.nav-inner {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.nav-brand { display: inline-flex; align-items: center; }
.nav-logo { height: 80px; width: auto; transition: height var(--t); }
.nav-brand-text {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap;
}
.nav-menu { display: flex; align-items: center; gap: clamp(0.5rem, 1.6vw, 1.6rem); }
.nav-links { display: flex; align-items: center; gap: clamp(0.4rem, 1.4vw, 1.5rem); }
.nav-link {
  position: relative;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.98rem;
  color: var(--ink);
  padding: 0.4rem 0.15rem;
  transition: color var(--t-fast);
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 100%; height: 2px;
  background: linear-gradient(90deg, var(--brand), var(--brand-bright));
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform var(--t);
}
.nav-link:hover { color: var(--brand-strong); }
.nav-link:hover::after,
.nav-link.is-active::after { transform: scaleX(1); }
.nav-link.is-active { color: var(--brand-strong); }
.nav-cta { padding: 0.7rem 1.25rem; }

.nav-toggle {
  display: none;
  width: 46px; height: 46px;
  border-radius: var(--r-sm);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  transition: background var(--t-fast);
}
.nav-toggle:hover { background: var(--bg-soft); }
.nav-toggle-bar {
  width: 23px; height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform var(--t), opacity var(--t-fast);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding-top: calc(var(--nav-h) + clamp(2rem, 5vw, 4.5rem));
  padding-bottom: var(--section-pad);
  overflow: clip;
}
.hero-aura {
  position: absolute;
  top: -22%; right: -12%;
  width: 60vw; height: 60vw;
  max-width: 820px; max-height: 820px;
  background: radial-gradient(circle at 50% 50%, rgba(0, 176, 236, 0.20), rgba(0, 142, 205, 0.10) 42%, transparent 68%);
  filter: blur(8px);
  z-index: -1;
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.04fr 0.96fr;
  align-items: center;
  gap: clamp(2rem, 5vw, 4.5rem);
}
.hero-copy { max-width: 620px; }
.hero-title {
  font-size: var(--fs-hero);
  font-weight: 800;
  margin: 1.1rem 0 0;
}
.hero-lead {
  font-size: var(--fs-lead);
  color: var(--body);
  margin-top: 1.4rem;
  max-width: 33ch;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2.1rem;
}

.hero-visual { position: relative; }
.hero-frame {
  position: relative;
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 255, 255, 0.7);
  aspect-ratio: 4 / 3.05;
}
.hero-frame img { width: 100%; height: 100%; object-fit: cover; }
.hero-chip {
  position: absolute;
  left: -12px; bottom: -18px;
  display: flex;
  align-items: center;
  gap: 0.7rem;
  max-width: 250px;
  padding: 0.85rem 1.05rem;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--line);
  border-radius: var(--r);
  box-shadow: var(--shadow);
}
.hero-chip-icon {
  flex: none;
  display: grid; place-items: center;
  width: 38px; height: 38px;
  border-radius: 11px;
  background: linear-gradient(135deg, var(--brand), var(--brand-bright));
  color: #fff;
}
.hero-chip-icon svg { width: 21px; height: 21px; }
.hero-chip-text {
  font-family: var(--font-display);
  font-size: 0.86rem;
  font-weight: 600;
  line-height: 1.25;
  color: var(--ink);
}

/* ---------- Positioning band ---------- */
.band {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--bg-soft);
  padding-block: clamp(2.2rem, 4vw, 3.2rem);
}
.band-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  align-items: center;
  gap: clamp(1.5rem, 4vw, 3.5rem);
}
.band-lead {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 0.95rem + 0.6vw, 1.4rem);
  font-weight: 500;
  color: var(--ink);
  line-height: 1.4;
}
.band-lead strong { color: var(--brand-strong); font-weight: 600; }
.band-points {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem 1.4rem;
}
.band-point-k {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.18rem;
  color: var(--ink);
}
.band-point-v {
  display: block;
  font-size: var(--fs-sm);
  color: var(--muted);
  margin-top: 0.2rem;
}

/* ---------- Section scaffolding ---------- */
.section { padding-block: var(--section-pad); }
.section-alt { background: var(--bg-soft); }
.section-head {
  max-width: 720px;
  margin-bottom: clamp(2.4rem, 4vw, 3.6rem);
}
.section-head .eyebrow { margin-bottom: 1rem; }
.section-title { font-size: var(--fs-h2); }
.section-intro {
  font-size: var(--fs-lead);
  color: var(--body);
  margin-top: 1rem;
  max-width: 60ch;
}

.lead {
  font-size: var(--fs-lead);
  color: var(--ink);
  font-weight: 500;
}

/* ---------- About ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
}
.about-head { position: sticky; top: calc(var(--nav-h) + 24px); }
.vision-quote {
  margin-top: 1.6rem;
  padding: 1.7rem 1.8rem;
  border-radius: var(--r);
  background: linear-gradient(150deg, var(--deep), var(--deep-2));
  color: #fff;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}
.vision-quote::before {
  content: "";
  position: absolute;
  top: -40%; right: -10%;
  width: 240px; height: 240px;
  background: radial-gradient(circle, rgba(0, 176, 236, 0.45), transparent 70%);
  pointer-events: none;
}
.vision-quote blockquote {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 1.05rem + 0.9vw, 1.7rem);
  font-weight: 600;
  line-height: 1.28;
  letter-spacing: -0.01em;
}
.vision-quote figcaption {
  margin-top: 0.9rem;
  font-size: var(--fs-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #9FD8F4;
}
.about-body p + p { margin-top: 1.1rem; }
.about-body .lead { margin-bottom: 1.1rem; }

/* ---------- Approach ---------- */
.approach-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}
.media-frame {
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  aspect-ratio: 3 / 2.35;
  border: 1px solid var(--line);
}
.media-frame img { width: 100%; height: 100%; object-fit: cover; }
.approach-copy .section-title { margin-bottom: 1.2rem; }
.approach-copy p + p { margin-top: 1.05rem; }
.approach-copy .lead { margin-bottom: 1.05rem; }

/* ---------- Values ---------- */
.values-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(1.5rem, 3vw, 2.8rem);
}
.value {
  position: relative;
  padding-left: clamp(0px, 1.5vw, 1.8rem);
}
.value + .value::before {
  content: "";
  position: absolute;
  left: 0; top: 4px; bottom: 4px;
  width: 1px;
  background: var(--line);
}
.value-icon {
  display: grid; place-items: center;
  width: 52px; height: 52px;
  border-radius: 14px;
  color: var(--brand-strong);
  background: var(--bg-tint);
  margin-bottom: 1.1rem;
  transition: transform var(--t), background var(--t), color var(--t);
}
.value-icon svg { width: 26px; height: 26px; }
.value:hover .value-icon {
  transform: translateY(-3px);
  background: linear-gradient(135deg, var(--brand), var(--brand-bright));
  color: #fff;
}
.value-title { font-size: var(--fs-h3); margin-bottom: 0.5rem; }
.value-desc { font-size: var(--fs-sm); color: var(--body); }

/* ---------- Services ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(1.1rem, 2vw, 1.6rem);
}
.service-card {
  position: relative;
  padding: clamp(1.6rem, 1rem + 1.6vw, 2.4rem);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--r);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform var(--t), box-shadow var(--t), border-color var(--t);
}
.service-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--brand), var(--brand-bright));
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform var(--t);
}
.service-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
  border-color: transparent;
}
.service-card:hover::before { transform: scaleX(1); }
.service-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.1rem;
}
.service-no {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  color: var(--brand);
  background: var(--bg-tint);
  padding: 0.35rem 0.6rem;
  border-radius: var(--r-xs);
}
.service-icon {
  display: grid; place-items: center;
  width: 48px; height: 48px;
  border-radius: 13px;
  color: var(--brand-strong);
  background: var(--bg-tint);
  transition: transform var(--t), background var(--t), color var(--t);
}
.service-icon svg { width: 25px; height: 25px; }
.service-card:hover .service-icon {
  background: linear-gradient(135deg, var(--brand), var(--brand-bright));
  color: #fff;
  transform: rotate(-6deg);
}
.service-name { font-size: var(--fs-h3); margin-bottom: 0.55rem; }
.service-desc { font-size: var(--fs-sm); color: var(--body); }
.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.25rem;
}
.service-tags li {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--ink);
  padding: 0.4rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: var(--bg-soft);
  transition: border-color var(--t-fast), color var(--t-fast);
}
.service-card:hover .service-tags li { border-color: #CBE6F6; }

/* ---------- Why choose us ---------- */
.why-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
}
.why-intro { position: sticky; top: calc(var(--nav-h) + 28px); }
.why-intro .section-intro { margin-bottom: 1.8rem; }
.why-list {
  display: grid;
  gap: 0;
}
.why-item {
  display: flex;
  gap: 1.2rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--line);
}
.why-item:last-child { border-bottom: 1px solid var(--line); }
.why-no {
  flex: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--brand-strong);
  width: 44px; height: 44px;
  display: grid; place-items: center;
  border-radius: 50%;
  border: 1.5px solid var(--bg-tint);
  background: var(--bg-tint);
  transition: transform var(--t), background var(--t), color var(--t);
}
.why-item:hover .why-no {
  background: linear-gradient(135deg, var(--brand), var(--brand-bright));
  color: #fff;
  transform: scale(1.08);
}
.why-name { font-size: var(--fs-h3); margin-bottom: 0.35rem; }
.why-text p { font-size: var(--fs-sm); color: var(--body); }

/* ---------- Contact ---------- */
.contact-card {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--line);
}
.contact-info {
  position: relative;
  padding: clamp(2rem, 1.4rem + 2.6vw, 3.4rem);
  background: linear-gradient(160deg, var(--deep-2) 0%, var(--deep) 70%);
  color: #fff;
  overflow: hidden;
}
.contact-info::before {
  content: "";
  position: absolute;
  top: -30%; right: -20%;
  width: 360px; height: 360px;
  background: radial-gradient(circle, rgba(0, 176, 236, 0.4), transparent 70%);
  pointer-events: none;
}
.contact-info > * { position: relative; }
.contact-title { color: #fff; margin-top: 0.9rem; }
.contact-lead {
  color: #C9E8F7;
  margin-top: 1.1rem;
  font-size: 1.02rem;
}
.contact-details {
  display: grid;
  gap: 0.6rem;
  margin-top: 2rem;
}
.contact-detail {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding: 0.85rem 1rem;
  border-radius: var(--r-sm);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  font-weight: 600;
  font-family: var(--font-display);
  transition: background var(--t-fast), transform var(--t-fast);
}
.contact-detail:hover { background: rgba(255, 255, 255, 0.13); transform: translateX(3px); }
.contact-detail-icon {
  flex: none;
  display: grid; place-items: center;
  width: 40px; height: 40px;
  border-radius: 11px;
  background: rgba(0, 176, 236, 0.22);
  color: #BDE7FB;
}
.contact-detail-icon svg { width: 21px; height: 21px; }
.contact-detail-label {
  display: block;
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #8FCDEC;
  margin-bottom: 0.1rem;
}

.contact-form-wrap {
  padding: clamp(2rem, 1.4rem + 2.6vw, 3.4rem);
  background: var(--bg);
}
.contact-form { display: grid; gap: 1.15rem; }
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.15rem;
}
.form-field { display: grid; gap: 0.45rem; }
.form-field label {
  font-family: var(--font-display);
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--ink);
}
.form-field .optional { color: var(--muted); font-weight: 400; }
.form-field input,
.form-field textarea {
  width: 100%;
  padding: 0.82rem 1rem;
  border: 1.5px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--bg-soft);
  color: var(--ink);
  transition: border-color var(--t-fast), background var(--t-fast), box-shadow var(--t-fast);
}
.form-field textarea { resize: vertical; min-height: 120px; }
.form-field input::placeholder,
.form-field textarea::placeholder { color: var(--muted); }
.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--brand);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(0, 142, 205, 0.14);
}
.form-field.has-error input,
.form-field.has-error textarea {
  border-color: #D4453B;
  background: #FDF5F4;
}
.form-error {
  font-size: var(--fs-xs);
  color: #C13A30;
  min-height: 1em;
}
.form-hp {
  position: absolute;
  left: -9999px;
  width: 1px; height: 1px;
  overflow: hidden;
}
#form-submit {
  margin-top: 0.3rem;
  position: relative;
}
.btn-spinner {
  width: 18px; height: 18px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.45);
  border-top-color: #fff;
  display: none;
}
#form-submit.is-loading .btn-spinner { display: inline-block; animation: spin 0.7s linear infinite; }
#form-submit.is-loading { pointer-events: none; opacity: 0.85; }
.form-status {
  font-size: var(--fs-sm);
  font-weight: 500;
  min-height: 1.2em;
}
.form-status.is-success { color: #1C8A4E; }
.form-status.is-error { color: #C13A30; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Footer ---------- */
.footer {
  background: var(--deep);
  color: #C6D6DF;
  padding-top: clamp(3rem, 5vw, 4.5rem);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: clamp(2rem, 4vw, 3.5rem);
  padding-bottom: clamp(2.5rem, 4vw, 3.5rem);
}
.footer-logo {
  height: clamp(50px, 5vw, 66px); width: auto;
  /* logo art is solid blue; brighten slightly on dark ground */
  filter: brightness(1.18) saturate(1.05);
}
.footer-tagline {
  margin-top: 1.1rem;
  max-width: 34ch;
  color: #9FB6C2;
  font-family: var(--font-display);
}
.footer-heading {
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #7FCDEC;
  margin-bottom: 1.1rem;
  font-weight: 600;
}
.footer-col { display: flex; flex-direction: column; gap: 0.7rem; }
.footer-col a, .footer-loc { color: #C6D6DF; transition: color var(--t-fast); width: max-content; }
.footer-col a:hover { color: #fff; }
.footer-loc { color: #8198A4; }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.8rem;
  padding-block: 1.6rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: var(--fs-sm);
  color: #8198A4;
}
.footer-top-link { color: #C6D6DF; transition: color var(--t-fast); }
.footer-top-link:hover { color: #fff; }

/* ---------- Back to top ---------- */
.to-top {
  position: fixed;
  right: clamp(1rem, 3vw, 2rem);
  bottom: clamp(1rem, 3vw, 2rem);
  z-index: 800;
  width: 48px; height: 48px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--brand-strong);
  color: #fff;
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity var(--t), transform var(--t), visibility var(--t), background var(--t-fast);
}
.to-top svg { width: 22px; height: 22px; }
.to-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { background: var(--brand); transform: translateY(-3px); }

/* ---------- Reveal on scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
  will-change: opacity, transform;
}
.reveal.is-visible { opacity: 1; transform: none; }
[data-reveal-delay="1"] { transition-delay: 0.08s; }
[data-reveal-delay="2"] { transition-delay: 0.16s; }
[data-reveal-delay="3"] { transition-delay: 0.24s; }
[data-reveal-delay="4"] { transition-delay: 0.32s; }

/* =====================================================================
   Responsive
   ===================================================================== */

/* Laptops / small desktop */
@media (max-width: 1080px) {
  .about-grid { grid-template-columns: 1fr; }
  .about-head { position: static; }
  .why-grid { grid-template-columns: 1fr; }
  .why-intro { position: static; }
  .why-intro .why-cta { display: none; }
}

/* Tablet / iPad */
@media (max-width: 980px) {
  :root { --nav-h: 78px; }

  .nav-logo { height: 56px; }
  .nav-toggle { display: flex; }
  .nav-menu {
    position: fixed;
    inset: var(--nav-h) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.6rem var(--gutter) 1.4rem;
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--t), opacity var(--t), visibility var(--t);
  }
  .nav-menu.is-open { transform: translateY(0); opacity: 1; visibility: visible; }
  .nav-links { flex-direction: column; align-items: stretch; gap: 0; }
  .nav-link {
    display: block;
    padding: 0.95rem 0.4rem;
    border-bottom: 1px solid var(--line);
    font-size: 1.05rem;
  }
  .nav-link::after { display: none; }
  .nav-cta { margin-top: 1rem; width: 100%; padding: 0.95rem; }

  .hero { padding-top: calc(var(--nav-h) + 2.4rem); }
  .hero-grid { grid-template-columns: 1fr; gap: 2.8rem; }
  .hero-copy { max-width: 640px; }
  .hero-lead { max-width: 46ch; }
  .hero-visual { max-width: 560px; }

  .band-inner { grid-template-columns: 1fr; gap: 1.6rem; }

  .approach-grid { grid-template-columns: 1fr; gap: 2.4rem; }
  .approach-media { order: 2; }

  .values-row { grid-template-columns: repeat(2, 1fr); gap: 1.8rem 1.6rem; }
  .value { padding-left: 0; }
  .value + .value::before { display: none; }

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

/* Large phone / small tablet */
@media (max-width: 720px) {
  .services-grid { grid-template-columns: 1fr; }
  .band-points { grid-template-columns: 1fr; gap: 0.9rem; }
  .band-points li {
    display: flex;
    align-items: baseline;
    gap: 0.6rem;
  }
  .band-point-k { font-size: 1.05rem; }
  .band-point-v { margin-top: 0; }
}

/* Phones */
@media (max-width: 560px) {
  :root { --fs-body: 1rem; --nav-h: 66px; }
  .nav-logo { height: 46px; }
  .values-row { grid-template-columns: 1fr; gap: 1.5rem; }
  .form-row { grid-template-columns: 1fr; }
  .hero-actions .btn { flex: 1 1 auto; }
  .hero-chip { left: 8px; right: 8px; bottom: -22px; max-width: none; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .why-item { gap: 0.9rem; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  .scroll-progress { display: none; }
}