/* ==========================================================================
   JETNIPAT — Design tokens
   ========================================================================== */
:root {
  --navy-950: #060b16;
  --navy-900: #0b1220;
  --navy-800: #101a30;
  --navy-700: #172440;
  --navy-600: #24365c;
  --blue-500: #2f6fed;
  --blue-400: #4f8bff;
  --blue-300: #7fabff;
  --cyan-400: #38d4d8;
  --ink-900: #0b1220;
  --ink-700: #384358;
  --ink-500: #6b7690;
  --ink-300: #a7b0c2;
  --paper-0: #ffffff;
  --paper-50: #f6f8fc;
  --paper-100: #eef1f8;
  --line: #e3e8f2;

  --font-head: "Sora", "Segoe UI", system-ui, sans-serif;
  --font-body: "Inter", "Segoe UI", system-ui, sans-serif;
  --font-mono: ui-monospace, "SF Mono", "Cascadia Code", Consolas, monospace;

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 28px;

  --shadow-sm: 0 1px 2px rgba(11, 18, 32, 0.06), 0 1px 1px rgba(11, 18, 32, 0.04);
  --shadow-md: 0 8px 24px rgba(11, 18, 32, 0.08), 0 2px 6px rgba(11, 18, 32, 0.06);
  --shadow-lg: 0 24px 60px rgba(11, 18, 32, 0.16), 0 8px 20px rgba(11, 18, 32, 0.08);
  --shadow-glow: 0 0 0 1px rgba(79, 139, 255, 0.15), 0 20px 50px rgba(47, 111, 237, 0.25);

  --container: 1200px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   Reset
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink-700);
  background: var(--paper-0);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4, h5 {
  font-family: var(--font-head);
  color: var(--ink-900);
  line-height: 1.15;
  margin: 0;
  letter-spacing: -0.01em;
}
p { margin: 0; }
button { font-family: inherit; cursor: pointer; }
input { font-family: inherit; }

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 24px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-head);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue-500);
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--blue-500);
  border-radius: 2px;
}

.section {
  padding: 96px 0;
}
.section--tight { padding: 64px 0; }
.section--alt { background: var(--paper-50); }
.section--dark {
  background: radial-gradient(120% 140% at 15% 0%, var(--navy-700) 0%, var(--navy-900) 55%, var(--navy-950) 100%);
  color: var(--ink-300);
}
.section--dark h1, .section--dark h2, .section--dark h3 { color: #fff; }

.section-head {
  max-width: 640px;
  margin-bottom: 48px;
}
.section-head h2 { font-size: clamp(1.7rem, 3vw, 2.4rem); margin-top: 12px; }
.section-head p { margin-top: 14px; font-size: 1.05rem; color: var(--ink-500); }
.section--dark .section-head p { color: var(--ink-300); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 14px 26px;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), background 0.25s var(--ease), color 0.25s var(--ease), border-color .25s var(--ease);
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: linear-gradient(135deg, var(--blue-400), var(--blue-500));
  color: #fff;
  box-shadow: var(--shadow-glow);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 24px 46px rgba(47,111,237,.35); }
.btn-ghost {
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(6px);
}
.btn-ghost:hover { background: rgba(255, 255, 255, 0.14); border-color: rgba(255,255,255,.5); transform: translateY(-2px); }
.btn-outline {
  background: transparent;
  color: var(--navy-800);
  border-color: var(--line);
}
.btn-outline:hover { border-color: var(--blue-500); color: var(--blue-500); transform: translateY(-2px); }
.btn-sm { padding: 10px 20px; font-size: 0.85rem; }

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  padding: 18px 0;
  transition: background 0.35s var(--ease), padding 0.35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.site-header.is-scrolled {
  background: rgba(6, 11, 22, 0.72);
  backdrop-filter: blur(14px) saturate(140%);
  padding: 12px 0;
  box-shadow: 0 8px 30px rgba(6,11,22,.25);
  border-bottom-color: rgba(255,255,255,.06);
}

.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  width: 42px; height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--blue-400), var(--cyan-400));
  display: grid; place-items: center;
  color: #fff;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.05rem;
  box-shadow: 0 8px 20px rgba(47,111,237,.35);
  flex-shrink: 0;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text strong { font-family: var(--font-head); font-size: 1.05rem; letter-spacing: 0.02em; color: #fff; }
.brand-text span { font-size: 0.72rem; color: var(--ink-300); letter-spacing: 0.04em; }

.nav-desktop { display: flex; align-items: center; gap: 6px; }
.nav-desktop a {
  padding: 10px 16px;
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 500;
  color: rgba(255,255,255,.82);
  transition: background .25s var(--ease), color .25s var(--ease);
}
.nav-desktop a:hover { background: rgba(255,255,255,.08); color: #fff; }
.nav-desktop a.is-active { color: #fff; background: rgba(79,139,255,.18); }

.nav-cta { display: flex; align-items: center; gap: 12px; }

.lang-switch {
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 3px;
  border-radius: 999px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.18);
  flex-shrink: 0;
}
.lang-switch button {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 999px;
  border: none;
  background: transparent;
  color: rgba(255,255,255,.65);
  font-family: var(--font-head);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: background .25s var(--ease), color .25s var(--ease);
}
.lang-switch .flag { width: 18px; height: 13px; border-radius: 2px; overflow: hidden; flex-shrink: 0; box-shadow: 0 0 0 1px rgba(255,255,255,.3); display: block; }
.lang-switch button:hover { color: #fff; }
.lang-switch button.is-active { background: rgba(255,255,255,.18); color: #fff; }
.nav-mobile .lang-switch { align-self: flex-start; margin-bottom: 24px; background: rgba(255,255,255,.06); }
.nav-mobile .lang-switch button { font-size: 0.85rem; padding: 8px 14px; }
.nav-mobile .lang-switch .flag { width: 22px; height: 16px; }
.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.2);
  background: rgba(255,255,255,.06);
  align-items: center; justify-content: center;
  flex-direction: column; gap: 5px;
}
.nav-toggle span { width: 20px; height: 2px; background: #fff; border-radius: 2px; transition: transform .3s var(--ease), opacity .3s var(--ease); }
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-mobile {
  position: fixed;
  inset: 0;
  z-index: 99;
  background: var(--navy-950);
  display: flex;
  flex-direction: column;
  padding: 110px 32px 40px;
  gap: 6px;
  transform: translateY(-8px);
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s var(--ease), transform .3s var(--ease);
}
.nav-mobile.is-open { opacity: 1; transform: translateY(0); pointer-events: auto; }
.nav-mobile a { font-family: var(--font-head); font-size: 1.4rem; padding: 14px 4px; color: #fff; border-bottom: 1px solid rgba(255,255,255,.08); }

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  flex-direction: column;
  color: #fff;
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.05);
}
.hero-bg::after {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(80% 60% at 20% 20%, rgba(47,111,237,.35), transparent 60%),
    linear-gradient(190deg, rgba(6,11,22,.55) 10%, rgba(6,11,22,.88) 60%, var(--navy-950) 100%);
}
.hero-content { position: relative; z-index: 2; flex: 1; display: flex; flex-direction: column; justify-content: center; padding-top: 120px; padding-bottom: 80px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 16px;
  border-radius: 999px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.18);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  color: var(--ink-300);
  backdrop-filter: blur(8px);
  margin-bottom: 28px;
}
.hero-badge .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--cyan-400); box-shadow: 0 0 0 4px rgba(56,212,216,.2); }
.hero h1 {
  font-size: clamp(2.4rem, 6vw, 4.4rem);
  max-width: 820px;
  color: #fff;
}
.hero h1 em { font-style: normal; background: linear-gradient(100deg, var(--blue-300), var(--cyan-400)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-sub {
  margin-top: 22px;
  max-width: 620px;
  font-size: 1.15rem;
  color: var(--ink-300);
  font-family: var(--font-body);
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 40px; }

.hero-stats {
  position: relative; z-index: 2;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(255,255,255,.1);
  border-top: 1px solid rgba(255,255,255,.12);
}
.hero-stat {
  background: rgba(6,11,22,.55);
  backdrop-filter: blur(6px);
  padding: 26px 24px;
  text-align: left;
}
.hero-stat strong { display: block; font-family: var(--font-head); font-size: 1.7rem; color: #fff; }
.hero-stat span { font-size: 0.85rem; color: var(--ink-300); }

/* ==========================================================================
   Cards / services
   ========================================================================== */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

.service-card {
  position: relative;
  background: var(--paper-0);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s var(--ease);
  display: flex; flex-direction: column;
}
.service-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: transparent; }
.service-card-media { position: relative; aspect-ratio: 16/10; overflow: hidden; }
.service-card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.service-card:hover .service-card-media img { transform: scale(1.06); }
.service-card-icon {
  position: absolute; top: 18px; left: 18px;
  width: 48px; height: 48px;
  border-radius: 14px;
  background: rgba(6,11,22,.55);
  backdrop-filter: blur(8px);
  display: grid; place-items: center;
  color: #fff;
  border: 1px solid rgba(255,255,255,.2);
}
.service-card-icon svg { width: 22px; height: 22px; }
.service-card-body { padding: 28px 28px 30px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.service-card-body h3 { font-size: 1.25rem; }
.service-card-body p { color: var(--ink-500); font-size: 0.98rem; line-height: 1.6; }
.service-card-link {
  margin-top: auto;
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-head); font-weight: 600; font-size: 0.9rem;
  color: var(--blue-500);
}
.service-card-link svg { width: 16px; height: 16px; transition: transform .3s var(--ease); }
.service-card:hover .service-card-link svg { transform: translateX(4px); }

/* Banner */
.banner {
  padding: 60px 0;
  background: linear-gradient(120deg, var(--navy-900), var(--navy-700));
  color: #fff;
  text-align: center;
}
.banner h2 {
  font-size: clamp(1.4rem, 3vw, 2rem);
  color: #fff;
  letter-spacing: 0.02em;
}
.banner p { margin-top: 10px; color: var(--ink-300); }

/* Contact strip */
.contact-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.contact-card {
  padding: 32px 26px;
  border-radius: var(--radius-md);
  background: var(--paper-0);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.contact-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.contact-card-icon {
  width: 46px; height: 46px; border-radius: 12px;
  background: linear-gradient(135deg, var(--blue-400), var(--cyan-400));
  display: grid; place-items: center; color: #fff; margin-bottom: 18px;
}
.contact-card-icon svg { width: 20px; height: 20px; }
.contact-card h4 { font-size: 1rem; margin-bottom: 8px; }
.contact-card p, .contact-card a { color: var(--ink-500); font-size: 0.95rem; line-height: 1.6; }
.contact-card a:hover { color: var(--blue-500); }

/* Page hero (inner pages) */
.page-hero {
  position: relative;
  padding: 168px 0 90px;
  color: #fff;
  background: radial-gradient(120% 160% at 10% 0%, var(--navy-700), var(--navy-950) 60%);
  overflow: hidden;
}
.page-hero::after {
  content: "";
  position: absolute; right: -10%; top: -20%;
  width: 520px; height: 520px;
  background: radial-gradient(circle, rgba(47,111,237,.35), transparent 70%);
  filter: blur(10px);
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 { font-size: clamp(2rem, 4.5vw, 3.2rem); color: #fff; }
.breadcrumb { display: flex; gap: 8px; align-items: center; font-size: 0.85rem; color: var(--ink-300); margin-bottom: 18px; }
.breadcrumb a:hover { color: #fff; }

/* Product / feature list rows */
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.feature-row + .feature-row { margin-top: 90px; }
.feature-row.is-reverse .feature-media { order: 2; }
.feature-media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--line);
  background: var(--paper-50);
}
.feature-media img { width: 100%; height: 100%; object-fit: contain; aspect-ratio: 4/3; padding: 28px; }
.feature-text .eyebrow { margin-bottom: 14px; }
.feature-text h3 { font-size: 1.6rem; margin-bottom: 14px; }
.feature-text p { color: var(--ink-500); font-size: 1.02rem; line-height: 1.7; }
.feature-text ul { margin-top: 18px; display: flex; flex-direction: column; gap: 10px; }
.feature-text li { display: flex; gap: 10px; align-items: flex-start; color: var(--ink-700); font-size: 0.98rem; }
.feature-text li svg { width: 18px; height: 18px; flex-shrink: 0; margin-top: 2px; color: var(--blue-500); }

.pill-grid { display: flex; flex-wrap: wrap; gap: 12px; }
.pill {
  padding: 10px 20px;
  border-radius: 999px;
  background: var(--paper-100);
  border: 1px solid var(--line);
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--ink-700);
  display: inline-flex; align-items: center; gap: 8px;
  transition: background .25s var(--ease), border-color .25s var(--ease), transform .25s var(--ease);
}
.pill:hover { border-color: var(--blue-400); background: #fff; transform: translateY(-2px); }
.pill svg { width: 16px; height: 16px; color: var(--blue-500); }

.brand-chip-row { display: flex; flex-wrap: wrap; gap: 14px; }
.brand-chip {
  padding: 14px 26px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--ink-700);
  background: var(--paper-0);
}

/* Savings calculator */
.calc-card {
  background: var(--paper-0);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-lg);
}
.calc-card h3 { font-size: 1.3rem; margin-bottom: 6px; }
.calc-note { font-size: 0.86rem; color: var(--ink-500); margin-bottom: 24px; }
.calc-field { margin-bottom: 18px; }
.calc-field label {
  display: flex; justify-content: space-between; gap: 10px;
  font-size: 0.85rem; font-weight: 600; color: var(--ink-700); margin-bottom: 8px;
}
.calc-field label .val { font-family: var(--font-mono); color: var(--blue-500); font-variant-numeric: tabular-nums; }
.calc-field input[type="number"] {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-size: 0.98rem;
  font-family: var(--font-mono);
  background: var(--paper-50);
  color: var(--ink-900);
}
.calc-field input[type="range"] { width: 100%; accent-color: var(--blue-500); }
.calc-btn { width: 100%; justify-content: center; margin-top: 4px; }
.calc-results {
  margin-top: 24px; padding-top: 24px;
  border-top: 1px solid var(--line);
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
}
.calc-stat .num {
  font-family: var(--font-mono); font-variant-numeric: tabular-nums;
  font-size: 1.4rem; font-weight: 700; color: var(--blue-500); line-height: 1.15;
}
.calc-stat .cap { font-size: 0.72rem; color: var(--ink-500); text-transform: uppercase; letter-spacing: 0.03em; margin-top: 5px; }
.calc-disclaimer { margin-top: 20px; font-size: 0.78rem; color: var(--ink-500); line-height: 1.55; }

/* FAQ accordion */
.faq-list { max-width: 780px; }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item summary {
  list-style: none; cursor: pointer; padding: 22px 0;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  font-family: var(--font-head); font-weight: 600; font-size: 1.02rem; color: var(--ink-900);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+"; font-family: var(--font-head); font-size: 1.5rem; color: var(--blue-500);
  flex-shrink: 0; transition: transform 0.25s var(--ease);
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item .faq-a { padding: 0 0 24px; color: var(--ink-500); font-size: 0.98rem; line-height: 1.7; max-width: 68ch; }

/* CTA band */
.cta-band {
  border-radius: var(--radius-lg);
  padding: 56px;
  background: linear-gradient(120deg, var(--blue-500), #4361d8 55%, var(--navy-900));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  box-shadow: var(--shadow-glow);
}
.cta-band h3 { color: #fff; font-size: 1.6rem; max-width: 480px; }
.cta-band p { color: rgba(255,255,255,.85); margin-top: 10px; }

/* Contact page */
.contact-layout { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: start; }
.info-list { display: flex; flex-direction: column; gap: 18px; margin-top: 28px; }
.info-item {
  display: flex; gap: 16px; align-items: flex-start;
  padding: 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: var(--paper-0);
}
.info-item .contact-card-icon { margin-bottom: 0; flex-shrink: 0; }
.info-item h4 { font-size: 0.95rem; margin-bottom: 4px; }
.info-item p, .info-item a { color: var(--ink-500); font-size: 0.95rem; line-height: 1.6; }
.map-frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-md);
  aspect-ratio: 4/3;
}
.map-frame iframe { width: 100%; height: 100%; border: 0; }

.subscribe-card {
  padding: 32px;
  border-radius: var(--radius-lg);
  background: var(--navy-900);
  color: #fff;
}
.subscribe-card h4 { color: #fff; font-size: 1.15rem; margin-bottom: 8px; }
.subscribe-card p { color: var(--ink-300); font-size: 0.92rem; margin-bottom: 20px; }
.subscribe-form { display: flex; gap: 10px; }
.subscribe-form input {
  flex: 1;
  padding: 13px 18px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.2);
  background: rgba(255,255,255,.06);
  color: #fff;
  font-size: 0.92rem;
}
.subscribe-form input::placeholder { color: var(--ink-300); }
.subscribe-form button {
  width: 46px; height: 46px; border-radius: 50%;
  background: linear-gradient(135deg, var(--blue-400), var(--cyan-400));
  border: none; color: #fff; display: grid; place-items: center; flex-shrink: 0;
}
.subscribe-form button svg { width: 18px; height: 18px; }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: var(--navy-950);
  color: var(--ink-300);
  padding-top: 72px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-brand p { margin-top: 16px; font-size: 0.92rem; line-height: 1.7; color: var(--ink-300); max-width: 340px; }
.footer-social { display: flex; gap: 10px; margin-top: 22px; }
.footer-social a {
  width: 38px; height: 38px; border-radius: 10px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  display: grid; place-items: center;
  transition: background .25s var(--ease), transform .25s var(--ease);
}
.footer-social a:hover { background: var(--blue-500); transform: translateY(-3px); }
.footer-social svg { width: 16px; height: 16px; color: #fff; }
.footer-heading { font-family: var(--font-head); font-size: 0.95rem; color: #fff; margin-bottom: 20px; }
.footer-links { display: flex; flex-direction: column; gap: 12px; }
.footer-links a { font-size: 0.92rem; color: var(--ink-300); transition: color .2s var(--ease); }
.footer-links a:hover { color: #fff; }
.footer-contact { display: flex; flex-direction: column; gap: 14px; }
.footer-contact li { display: flex; gap: 10px; align-items: flex-start; font-size: 0.9rem; color: var(--ink-300); }
.footer-contact svg { width: 16px; height: 16px; margin-top: 3px; color: var(--blue-400); flex-shrink: 0; }
.footer-bottom {
  padding: 24px 0 28px;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 12px;
  font-size: 0.85rem;
  color: var(--ink-500);
}

.to-top {
  position: fixed; right: 24px; bottom: 24px; z-index: 90;
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--navy-900);
  border: 1px solid rgba(255,255,255,.15);
  color: #fff;
  display: grid; place-items: center;
  opacity: 0; pointer-events: none;
  transform: translateY(10px);
  transition: opacity .3s var(--ease), transform .3s var(--ease), background .3s var(--ease);
  box-shadow: var(--shadow-md);
}
.to-top.is-visible { opacity: 1; pointer-events: auto; transform: translateY(0); }
.to-top:hover { background: var(--blue-500); }
.to-top svg { width: 18px; height: 18px; }

/* ==========================================================================
   Reveal animation
   ========================================================================== */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1.is-visible { transition-delay: .08s; }
.reveal-delay-2.is-visible { transition-delay: .16s; }
.reveal-delay-3.is-visible { transition-delay: .24s; }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 980px) {
  .nav-desktop, .nav-cta .btn-primary { display: none; }
  .nav-toggle { display: flex; }
  .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .feature-row { grid-template-columns: 1fr; gap: 32px; }
  .feature-row.is-reverse .feature-media { order: 0; }
  .contact-layout { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 680px) {
  .section { padding: 68px 0; }
  .grid-3, .grid-2, .grid-4, .contact-strip { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: 1fr; }
  .hero-actions .btn { flex: 1; justify-content: center; }
  .footer-grid { grid-template-columns: 1fr; }
  .cta-band { padding: 36px 28px; flex-direction: column; align-items: flex-start; }
  .subscribe-form { flex-direction: column; }
  .subscribe-form button { width: 100%; border-radius: 999px; }
  .calc-results { grid-template-columns: 1fr; gap: 10px; }
}