/* =============================================================
   KWIKSIM LIMITED — style.css
   Clean editorial light theme · Navy/slate palette · DM Sans + DM Serif Display
   Company No. 16598413 · kwiksim.co.uk
   ============================================================= */

/* ── Google Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;1,9..40,300&display=swap');

/* ── Design Tokens ── */
:root {
  /* Palette */
  --navy:        #0B1D3A;
  --navy-mid:    #152848;
  --navy-light:  #1E3A60;
  --accent:      #1A6BFF;
  --accent-hover:#0050E6;
  --slate:       #475569;
  --slate-light: #94A3B8;
  --border:      #E2E8F0;
  --border-dark: #CBD5E1;
  --bg:          #FAFBFD;
  --bg-card:     #FFFFFF;
  --bg-navy:     #0B1D3A;
  --text:        #0F172A;
  --text-muted:  #64748B;

  /* Typography */
  --font-head: 'DM Serif Display', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;

  /* Spacing scale */
  --space-xs:  0.5rem;
  --space-sm:  1rem;
  --space-md:  1.5rem;
  --space-lg:  2.5rem;
  --space-xl:  4rem;
  --space-2xl: 7rem;

  /* Layout */
  --max-w: 1140px;
  --radius: 10px;
  --radius-lg: 18px;
  --nav-h: 72px;

  /* Transitions */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }

/* ── Utility ── */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--space-md);
}

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}

/* ── Scroll-reveal base ── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s var(--ease), transform 0.65s var(--ease);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ================================================================
   NAVIGATION
   ================================================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: rgba(250, 251, 253, 0.92);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
  z-index: 200;
  transition: box-shadow 0.3s var(--ease);
}
.nav.scrolled { box-shadow: 0 2px 24px rgba(11, 29, 58, 0.08); }

.nav__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
}

/* Logo */
.nav__logo {
  font-family: var(--font-head);
  font-size: 1.35rem;
  color: var(--navy);
  letter-spacing: -0.02em;
  line-height: 1;
  flex-shrink: 0;
}
.nav__logo span { color: var(--accent); }

/* Desktop links */
.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}
.nav__links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--slate);
  letter-spacing: 0.01em;
  padding-bottom: 2px;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}
.nav__links a:hover,
.nav__links a.active {
  color: var(--navy);
  border-bottom-color: var(--accent);
}

/* Nav CTA */
.nav__cta {
  font-size: 0.875rem;
  font-weight: 600;
  color: #fff;
  background: var(--accent);
  padding: 0.55rem 1.25rem;
  border-radius: var(--radius);
  transition: background 0.2s, transform 0.15s;
  white-space: nowrap;
}
.nav__cta:hover { background: var(--accent-hover); transform: translateY(-1px); }

/* Hamburger */
.nav__burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px; height: 40px;
  padding: 8px;
  border-radius: 8px;
  transition: background 0.2s;
}
.nav__burger:hover { background: var(--border); }
.nav__burger span {
  display: block;
  width: 100%; height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: transform 0.3s var(--ease), opacity 0.2s;
}
.nav__burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__burger.open span:nth-child(2) { opacity: 0; }
.nav__burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile drawer */
.nav__drawer {
  display: none;
  position: fixed;
  top: var(--nav-h); left: 0; right: 0;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  padding: var(--space-md) var(--space-md) var(--space-lg);
  z-index: 199;
  flex-direction: column;
  gap: var(--space-sm);
  box-shadow: 0 8px 32px rgba(11,29,58,0.08);
}
.nav__drawer.open { display: flex; }
.nav__drawer a {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text);
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--border);
}
.nav__drawer a:last-child { border: none; }
.nav__drawer a:hover { color: var(--accent); }
.nav__drawer .nav__cta {
  margin-top: 0.5rem;
  display: inline-block;
  text-align: center;
  padding: 0.75rem;
}

/* ================================================================
   BUTTONS
   ================================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  padding: 0.8rem 1.75rem;
  border-radius: var(--radius);
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
  line-height: 1;
  white-space: nowrap;
}
.btn--primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 2px 12px rgba(26, 107, 255, 0.25);
}
.btn--primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(26, 107, 255, 0.32);
}
.btn--ghost {
  background: transparent;
  color: var(--navy);
  border: 1.5px solid var(--border-dark);
}
.btn--ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}
.btn--white {
  background: #fff;
  color: var(--navy);
}
.btn--white:hover {
  background: rgba(255,255,255,0.9);
  transform: translateY(-2px);
}
.btn svg { width: 18px; height: 18px; flex-shrink: 0; }

/* ================================================================
   SECTION COMMON
   ================================================================ */
.section { padding-block: var(--space-2xl); }
.section--alt { background: #F1F5FB; }
.section--navy {
  background: var(--bg-navy);
  color: #fff;
}

.section__label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-xs);
}

.section__title {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--navy);
  margin-bottom: var(--space-sm);
}
.section--navy .section__title { color: #fff; }

.section__sub {
  font-size: 1.0625rem;
  color: var(--text-muted);
  max-width: 52ch;
  line-height: 1.7;
}
.section--navy .section__sub { color: rgba(255,255,255,0.7); }

/* ================================================================
   HERO — index.html
   ================================================================ */
.hero {
  min-height: 100vh;
  padding-top: calc(var(--nav-h) + var(--space-xl));
  padding-bottom: var(--space-2xl);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

/* Subtle dot-grid background */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, #CBD5E1 1px, transparent 1px);
  background-size: 32px 32px;
  opacity: 0.5;
  pointer-events: none;
}

/* Decorative navy arc */
.hero::after {
  content: '';
  position: absolute;
  right: -200px; top: -200px;
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(26,107,255,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-md);
}
.hero__eyebrow::before {
  content: '';
  display: block;
  width: 24px; height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

.hero__title {
  font-family: var(--font-head);
  font-size: clamp(2.5rem, 5vw, 4rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--navy);
  margin-bottom: var(--space-md);
}
.hero__title em {
  font-style: italic;
  color: var(--accent);
}

.hero__sub {
  font-size: 1.0625rem;
  color: var(--text-muted);
  line-height: 1.75;
  max-width: 44ch;
  margin-bottom: var(--space-lg);
}

.hero__actions { display: flex; gap: var(--space-sm); flex-wrap: wrap; }

/* Hero stats bar */
.hero__stats {
  display: flex;
  gap: var(--space-lg);
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border);
}
.hero__stat-num {
  font-family: var(--font-head);
  font-size: 2rem;
  color: var(--navy);
  line-height: 1;
}
.hero__stat-label {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* Hero visual panel */
.hero__visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero__card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  width: 100%;
  max-width: 400px;
  box-shadow: 0 4px 40px rgba(11,29,58,0.08);
  position: relative;
}

.hero__card-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--border);
}

.hero__card-icon {
  width: 44px; height: 44px;
  background: rgba(26,107,255,0.1);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  color: var(--accent);
}

.hero__card-tag {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  background: rgba(26,107,255,0.08);
  border: 1px solid rgba(26,107,255,0.2);
  padding: 3px 10px;
  border-radius: 100px;
}

.hero__stack-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.875rem;
}
.hero__stack-row:last-child { border: none; }
.hero__stack-label { color: var(--text-muted); }
.hero__stack-val {
  font-weight: 600;
  color: var(--navy);
  font-family: 'Courier New', monospace;
  font-size: 0.8125rem;
}

/* ================================================================
   ABOUT — index.html
   ================================================================ */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.about__body { max-width: 52ch; }
.about__body p {
  color: var(--text-muted);
  margin-bottom: var(--space-sm);
  line-height: 1.8;
}

.about__detail {
  font-size: 0.875rem;
  color: var(--slate-light);
  border-left: 3px solid var(--accent);
  padding-left: var(--space-sm);
  margin-top: var(--space-md);
}

/* About info panel */
.about__panel {
  background: var(--navy);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  color: #fff;
}
.about__panel-title {
  font-family: var(--font-head);
  font-size: 1.25rem;
  margin-bottom: var(--space-md);
  color: rgba(255,255,255,0.9);
}
.about__info-row {
  display: flex;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  font-size: 0.875rem;
}
.about__info-row:last-child { border: none; }
.about__info-label {
  color: rgba(255,255,255,0.45);
  min-width: 100px;
  flex-shrink: 0;
}
.about__info-val { color: rgba(255,255,255,0.9); font-weight: 500; }

/* ================================================================
   WHY US — index.html
   ================================================================ */
.why__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

.why__card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: box-shadow 0.3s, transform 0.3s;
  position: relative;
  overflow: hidden;
}
.why__card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}
.why__card:hover {
  box-shadow: 0 8px 32px rgba(11,29,58,0.1);
  transform: translateY(-4px);
}
.why__card:hover::after { transform: scaleX(1); }

.why__icon {
  width: 48px; height: 48px;
  background: rgba(26,107,255,0.08);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  color: var(--accent);
  margin-bottom: var(--space-md);
}
.why__icon svg { width: 24px; height: 24px; }

.why__card h3 {
  font-family: var(--font-head);
  font-size: 1.2rem;
  color: var(--navy);
  margin-bottom: 8px;
  line-height: 1.3;
}
.why__card p { font-size: 0.9375rem; color: var(--text-muted); line-height: 1.7; }

/* ================================================================
   SERVICES PREVIEW — index.html
   ================================================================ */
.services-preview__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

.sp-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  display: flex;
  gap: var(--space-sm);
  transition: border-color 0.25s, box-shadow 0.25s;
}
.sp-card:hover {
  border-color: rgba(26,107,255,0.3);
  box-shadow: 0 4px 20px rgba(26,107,255,0.06);
}

.sp-card__num {
  font-family: var(--font-head);
  font-size: 2.5rem;
  color: rgba(26,107,255,0.12);
  line-height: 1;
  flex-shrink: 0;
  font-style: italic;
}
.sp-card h3 {
  font-family: var(--font-head);
  font-size: 1.1rem;
  color: var(--navy);
  margin-bottom: 6px;
  line-height: 1.3;
}
.sp-card p { font-size: 0.9rem; color: var(--text-muted); line-height: 1.65; }

/* ================================================================
   CTA BANNER — shared
   ================================================================ */
.cta-banner {
  text-align: center;
  padding-block: var(--space-xl);
}
.cta-banner__title {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  color: #fff;
  line-height: 1.2;
  margin-bottom: var(--space-sm);
}
.cta-banner__sub {
  font-size: 1.0625rem;
  color: rgba(255,255,255,0.65);
  margin-bottom: var(--space-lg);
}
.cta-banner__actions { display: flex; gap: var(--space-sm); justify-content: center; flex-wrap: wrap; }

/* ================================================================
   SERVICES PAGE
   ================================================================ */
.page-hero {
  padding-top: calc(var(--nav-h) + var(--space-xl));
  padding-bottom: var(--space-xl);
  text-align: center;
  border-bottom: 1px solid var(--border);
}
.page-hero .section__title { margin-inline: auto; }
.page-hero .section__sub { margin-inline: auto; }

.services__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.service-block {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--space-xl);
  align-items: start;
  padding: var(--space-lg);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: box-shadow 0.3s, transform 0.25s;
}
.service-block:hover {
  box-shadow: 0 8px 40px rgba(11,29,58,0.09);
  transform: translateY(-3px);
}

.service-block__left {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.service-block__icon {
  width: 56px; height: 56px;
  background: rgba(26,107,255,0.08);
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  color: var(--accent);
}
.service-block__icon svg { width: 28px; height: 28px; }

.service-block__num {
  font-family: var(--font-head);
  font-size: 4rem;
  color: rgba(26,107,255,0.08);
  line-height: 1;
  font-style: italic;
}

.service-block__right h2 {
  font-family: var(--font-head);
  font-size: clamp(1.4rem, 2.5vw, 1.9rem);
  color: var(--navy);
  margin-bottom: var(--space-sm);
  line-height: 1.25;
}
.service-block__right p {
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: var(--space-sm);
}

.service-block__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: var(--space-sm);
}
.service-block__tags span {
  font-size: 0.8rem;
  font-weight: 500;
  padding: 4px 12px;
  background: rgba(26,107,255,0.07);
  color: var(--accent);
  border: 1px solid rgba(26,107,255,0.18);
  border-radius: 100px;
}

.service-block__features {
  margin-top: var(--space-sm);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.service-block__features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.6;
}
.service-block__features li::before {
  content: '';
  display: block;
  width: 18px; height: 18px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231A6BFF' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/contain no-repeat;
  flex-shrink: 0;
  margin-top: 2px;
}

/* Process steps */
.process {
  margin-top: var(--space-2xl);
  text-align: center;
}
.process__steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-xl);
  position: relative;
}
.process__steps::before {
  content: '';
  position: absolute;
  top: 28px;
  left: 12%;
  right: 12%;
  height: 1px;
  background: var(--border-dark);
}
.process__step { position: relative; z-index: 1; }
.process__step-num {
  width: 56px; height: 56px;
  background: var(--bg-card);
  border: 2px solid var(--border-dark);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto var(--space-sm);
  font-family: var(--font-head);
  font-size: 1.25rem;
  color: var(--navy);
  transition: border-color 0.3s, background 0.3s;
}
.process__step:hover .process__step-num {
  border-color: var(--accent);
  background: rgba(26,107,255,0.06);
}
.process__step h4 {
  font-family: var(--font-head);
  font-size: 1rem;
  color: var(--navy);
  margin-bottom: 6px;
}
.process__step p { font-size: 0.875rem; color: var(--text-muted); line-height: 1.6; }

/* ================================================================
   CONTACT PAGE
   ================================================================ */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: var(--space-xl);
  align-items: start;
}

.contact__info-title {
  font-family: var(--font-head);
  font-size: 1.35rem;
  color: var(--navy);
  margin-bottom: var(--space-md);
}
.contact__info p {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: var(--space-md);
}

.contact__item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: var(--space-md);
}
.contact__item-icon {
  width: 42px; height: 42px;
  background: rgba(26,107,255,0.08);
  border: 1px solid rgba(26,107,255,0.15);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
}
.contact__item-icon svg { width: 20px; height: 20px; }
.contact__item-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--slate-light);
  margin-bottom: 2px;
}
.contact__item-val { font-size: 0.9375rem; color: var(--text); font-weight: 500; }

.contact__legal {
  margin-top: var(--space-lg);
  padding: var(--space-md);
  background: #F1F5FB;
  border-radius: var(--radius);
  font-size: 0.8125rem;
  color: var(--slate);
  line-height: 1.7;
}

/* Form */
.contact__form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: 0 2px 24px rgba(11,29,58,0.05);
}
.contact__form h3 {
  font-family: var(--font-head);
  font-size: 1.35rem;
  color: var(--navy);
  margin-bottom: var(--space-lg);
}

.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-sm); }
.form__group { display: flex; flex-direction: column; gap: 6px; margin-bottom: var(--space-sm); }

.form__group label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--navy);
  letter-spacing: 0.01em;
}

.form__group input,
.form__group select,
.form__group textarea {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--text);
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 0.7rem 0.9rem;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  width: 100%;
  -webkit-appearance: none;
}
.form__group input::placeholder,
.form__group textarea::placeholder { color: var(--slate-light); }

.form__group input:focus,
.form__group select:focus,
.form__group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(26,107,255,0.1);
}
.form__group textarea { resize: vertical; min-height: 130px; }

.form__group input.error,
.form__group textarea.error { border-color: #E53E3E; }

.form__error {
  font-size: 0.8rem;
  color: #E53E3E;
  display: none;
}
.form__error.visible { display: block; }

.form__submit {
  width: 100%;
  justify-content: center;
  margin-top: 0.5rem;
  padding: 0.9rem;
  font-size: 1rem;
}

.form__status {
  display: none;
  margin-top: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius);
  font-size: 0.9375rem;
  font-weight: 500;
  text-align: center;
}
.form__status--success {
  background: #F0FFF4;
  color: #276749;
  border: 1px solid #9AE6B4;
}
.form__status--error {
  background: #FFF5F5;
  color: #C53030;
  border: 1px solid #FEB2B2;
}

/* ================================================================
   FOOTER
   ================================================================ */
.footer {
  background: var(--navy);
  color: rgba(255,255,255,0.7);
  padding-top: var(--space-2xl);
  padding-bottom: var(--space-lg);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: var(--space-lg);
}

.footer__brand .nav__logo { margin-bottom: var(--space-sm); }
.footer__brand p {
  font-size: 0.9rem;
  line-height: 1.75;
  color: rgba(255,255,255,0.5);
  max-width: 32ch;
}

.footer__col h5 {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  margin-bottom: var(--space-md);
}
.footer__col ul { display: flex; flex-direction: column; gap: 10px; }
.footer__col a {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.6);
  transition: color 0.2s;
}
.footer__col a:hover { color: #fff; }

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.35);
}

/* ================================================================
   RESPONSIVE
   ================================================================ */

/* ≤ 1024px — tablets landscape */
@media (max-width: 1024px) {
  .hero__inner { grid-template-columns: 1fr; }
  .hero__visual { display: none; }
  .about__grid { grid-template-columns: 1fr; }
  .why__grid { grid-template-columns: 1fr 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: var(--space-lg); }
  .service-block { grid-template-columns: 1fr; }
  .service-block__num { display: none; }
  .process__steps { grid-template-columns: 1fr 1fr; }
  .process__steps::before { display: none; }
}

/* ≤ 768px — tablets portrait */
@media (max-width: 768px) {
  :root { --space-2xl: 5rem; }
  .nav__links, .nav__cta { display: none; }
  .nav__burger { display: flex; }
  .why__grid { grid-template-columns: 1fr; }
  .services-preview__grid { grid-template-columns: 1fr; }
  .contact__grid { grid-template-columns: 1fr; }
  .form__row { grid-template-columns: 1fr; }
  .cta-banner__actions { flex-direction: column; align-items: center; }
}

/* ≤ 480px — phones */
@media (max-width: 480px) {
  :root { --space-2xl: 4rem; }
  .hero__stats { flex-direction: column; gap: var(--space-md); }
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { width: 100%; justify-content: center; }
  .footer__grid { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; text-align: center; }
}