/* =====================================================================
   Web Shop Design — Stylesheet
   Professional corporate palette · mobile-first · vanilla CSS
   ---------------------------------------------------------------------
   Palette:
     --navy      #0F2A47  deep corporate brand blue (primary)
     --navy-700  #163A5F  hover/darker surfaces
     --accent    #1B9CFC  bright CTA accent (electric blue)
     --accent-700#0B7FD4  accent hover
     --teal      #16B8A6  secondary accent (subtle highlights)
     --ink       #1B2733  primary text
     --slate     #5A6B7B  secondary text
     --line      #E3E9EF  hairline borders
     --mist      #F4F7FA  light section background
     --white     #FFFFFF
   ===================================================================== */

:root {
  --navy: #0F2A47;
  --navy-700: #163A5F;
  --accent: #1B9CFC;
  --accent-700: #0B7FD4;
  --teal: #16B8A6;
  --ink: #1B2733;
  --slate: #5A6B7B;
  --line: #E3E9EF;
  --mist: #F4F7FA;
  --white: #FFFFFF;

  --container: 1200px;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow-sm: 0 2px 8px rgba(15, 42, 71, 0.06);
  --shadow-md: 0 10px 30px rgba(15, 42, 71, 0.10);
  --shadow-lg: 0 20px 50px rgba(15, 42, 71, 0.16);
  --transition: 0.25s ease;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

/* ---------- Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--white);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent-700); text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3 { color: var(--navy); line-height: 1.2; margin: 0 0 0.5em; font-weight: 700; }

/* ---------- Layout helpers ---------- */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 20px; }
.container-narrow { max-width: 820px; }
.section { padding: 72px 0; }
.section:nth-of-type(even) { background: var(--mist); }
.section-head { text-align: center; max-width: 680px; margin: 0 auto 44px; }
.section-title { font-size: clamp(1.6rem, 4vw, 2.3rem); }
.section-sub { color: var(--slate); font-size: 1.05rem; margin: 0; }

/* ---------- Accessibility ---------- */
.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 1000;
  background: var(--navy); color: #fff; padding: 10px 16px; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 4px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: inherit; font-weight: 600; font-size: 0.97rem; line-height: 1;
  padding: 13px 24px; border-radius: var(--radius-sm); border: 2px solid transparent;
  cursor: pointer; transition: var(--transition); text-align: center; white-space: nowrap;
}
.btn-lg { padding: 16px 30px; font-size: 1.02rem; }
.btn-block { display: flex; width: 100%; }
.btn-primary { background: var(--accent); color: #fff; border-color: var(--accent); box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--accent-700); border-color: var(--accent-700); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-outline { background: transparent; color: var(--navy); border-color: var(--line); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent-700); transform: translateY(-2px); }
.btn-whatsapp { background: #25D366; color: #fff; border-color: #25D366; }
.btn-whatsapp:hover { background: #1da851; border-color: #1da851; transform: translateY(-2px); }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,0.96);
  backdrop-filter: saturate(180%) blur(8px); border-bottom: 1px solid var(--line);
  transition: box-shadow var(--transition);
}
.site-header.scrolled { box-shadow: var(--shadow-sm); }
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 72px; gap: 16px; }
.logo img { height: 42px; width: auto; }
.primary-nav .nav-list { display: flex; align-items: center; gap: 6px; }
.nav-link {
  color: var(--ink); font-weight: 500; padding: 9px 12px; border-radius: 8px;
  font-size: 0.95rem; transition: var(--transition); position: relative;
}
.nav-link:hover { color: var(--accent-700); background: var(--mist); }
.nav-cta-item { margin-left: 8px; }
.nav-cta { color: #fff; }

/* hamburger */
.nav-toggle {
  display: none; flex-direction: column; gap: 5px; background: none; border: 0;
  padding: 8px; cursor: pointer;
}
.nav-toggle-bar { width: 26px; height: 3px; background: var(--navy); border-radius: 3px; transition: var(--transition); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) { transform: translateY(8px) 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(-8px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero { padding: 80px 0; background: linear-gradient(160deg, #0F2A47 0%, #163A5F 60%, #1B4A78 100%); color: #fff; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center; }
.hero h1, .hero h2, .hero h3 { color: #fff; }
.eyebrow {
  display: inline-block; font-size: 0.8rem; font-weight: 600; letter-spacing: 0.08em;
  text-transform: uppercase; color: #9FD3FF; background: rgba(27,156,252,0.14);
  padding: 6px 14px; border-radius: 999px; margin-bottom: 18px;
}
.hero-title { font-size: clamp(2rem, 5vw, 3.2rem); font-weight: 800; margin-bottom: 18px; }
.hero-title .accent { color: #56C2FF; }
.hero-sub { font-size: 1.15rem; color: #D5E2EF; max-width: 520px; margin: 0 0 30px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 36px; }
.hero .btn-outline { color: #fff; border-color: rgba(255,255,255,0.35); }
.hero .btn-outline:hover { border-color: #fff; color: #fff; background: rgba(255,255,255,0.08); }

/* trust bar */
.trust-bar { display: flex; align-items: center; gap: 28px; padding-top: 26px; border-top: 1px solid rgba(255,255,255,0.15); }
.trust-item { display: flex; flex-direction: column; }
.trust-number { font-size: 2rem; font-weight: 800; color: #fff; line-height: 1; }
.trust-label { font-size: 0.9rem; color: #B9CBDD; margin-top: 6px; }
.trust-divider { width: 1px; height: 44px; background: rgba(255,255,255,0.2); }

/* hero store image visual */
.hero-visual { display: flex; justify-content: center; }
.hero-image {
  width: 100%; max-width: 560px; height: auto; display: block;
  border-radius: 16px; box-shadow: var(--shadow-lg);
}

/* ---------- Cards grids ---------- */
.cards-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.cards-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 32px 28px; box-shadow: var(--shadow-sm); transition: var(--transition); height: 100%;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: rgba(27,156,252,0.4); }

/* service card */
.service-card { display: flex; flex-direction: column; }
.card-icon {
  width: 60px; height: 60px; border-radius: 14px; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, rgba(27,156,252,0.12), rgba(22,184,166,0.12)); color: var(--accent-700);
  margin-bottom: 20px;
}
.card-title { font-size: 1.25rem; margin-bottom: 12px; }
.card-text { color: var(--slate); margin: 0 0 22px; flex-grow: 1; }
.card-link { font-weight: 600; color: var(--accent-700); display: inline-flex; gap: 6px; align-items: center; }
.card-link:hover { gap: 10px; }

/* ---------- Why us / metrics ---------- */
.metrics { margin-bottom: 40px; }
.metric { text-align: center; padding: 28px 16px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-sm); }
.metric-number { display: block; font-size: 2.1rem; font-weight: 800; color: var(--navy); line-height: 1; }
.metric-label { display: block; color: var(--slate); margin-top: 8px; font-size: 0.95rem; }
.partner-strip { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; margin-bottom: 40px; }
.partner-chip {
  padding: 10px 20px; background: #fff; border: 1px solid var(--line); border-radius: 999px;
  font-weight: 600; color: var(--slate); font-size: 0.92rem; box-shadow: var(--shadow-sm);
}
.center-cta { text-align: center; }

/* ---------- Process ---------- */
.process-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; list-style: none; margin: 0; padding: 0; }
.process-step { position: relative; text-align: center; padding: 0 10px; }
.process-step:not(:last-child)::after {
  content: ""; position: absolute; top: 26px; right: -12px; width: 24px; height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--teal));
}
.step-num {
  width: 54px; height: 54px; border-radius: 50%; background: var(--navy); color: #fff;
  display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 1.3rem;
  margin: 0 auto 18px; box-shadow: var(--shadow-sm);
}
.step-title { font-size: 1.1rem; margin-bottom: 8px; }
.step-text { color: var(--slate); font-size: 0.95rem; margin: 0; }

/* ---------- Pricing ---------- */
.pricing-grid { align-items: stretch; }
.price-card { display: flex; flex-direction: column; position: relative; }
.price-popular { border: 2px solid var(--accent); box-shadow: var(--shadow-md); }
.price-badge {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: var(--accent); color: #fff; font-size: 0.78rem; font-weight: 700;
  padding: 6px 16px; border-radius: 999px; letter-spacing: 0.03em;
}
.price-name { font-size: 1.25rem; margin-bottom: 8px; }
.price-tag { font-size: 1rem; color: var(--slate); margin: 0 0 20px; }
.price-tag strong { font-size: 1.8rem; color: var(--navy); }
.price-features { margin-bottom: 26px; flex-grow: 1; }
.price-features li { padding: 9px 0 9px 28px; position: relative; color: var(--ink); border-bottom: 1px solid var(--line); }
.price-features li::before {
  content: ""; position: absolute; left: 0; top: 15px; width: 16px; height: 9px;
  border-left: 2px solid var(--teal); border-bottom: 2px solid var(--teal); transform: rotate(-45deg);
}

/* ---------- FAQ accordion ---------- */
.accordion-item { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm); margin-bottom: 14px; overflow: hidden; }
.accordion-trigger {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  background: none; border: 0; padding: 20px 22px; font-family: inherit; font-size: 1.05rem;
  font-weight: 600; color: var(--navy); text-align: left; cursor: pointer;
}
.accordion-trigger:hover { color: var(--accent-700); }
.accordion-icon { position: relative; width: 18px; height: 18px; flex-shrink: 0; }
.accordion-icon::before, .accordion-icon::after {
  content: ""; position: absolute; background: var(--accent); border-radius: 2px; transition: var(--transition);
}
.accordion-icon::before { top: 8px; left: 0; width: 18px; height: 2px; }
.accordion-icon::after { top: 0; left: 8px; width: 2px; height: 18px; }
.accordion-trigger[aria-expanded="true"] .accordion-icon::after { transform: rotate(90deg); opacity: 0; }
.accordion-panel { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
.accordion-panel p { margin: 0; padding: 0 22px 22px; color: var(--slate); }

/* ---------- Contact / Request Quote banner ---------- */
.quote-banner {
  display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap;
  background: var(--navy); color: #fff; border-radius: var(--radius);
  padding: 48px 52px; box-shadow: var(--shadow-lg);
}
.quote-banner-text { flex: 1 1 420px; }
.quote-banner-title { color: #fff; margin: 0 0 12px; font-size: 1.9rem; line-height: 1.2; }
.quote-banner-sub { color: #C9D7E4; margin: 0; max-width: 560px; }
.quote-banner-actions { display: flex; gap: 14px; flex-wrap: wrap; flex-shrink: 0; }

/* ---------- Footer ---------- */
.site-footer { background: #0B1F35; color: #C9D7E4; padding-top: 56px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 36px; padding-bottom: 40px; }
.footer-brand img { height: 40px; width: auto; filter: brightness(0) invert(1); margin-bottom: 16px; }
.footer-tagline { color: #94A8BC; margin: 0; max-width: 320px; }
.footer-heading { color: #fff; font-size: 1rem; margin-bottom: 16px; }
.footer-links li, .footer-social li { margin-bottom: 10px; }
.footer-links a { color: #C9D7E4; transition: var(--transition); }
.footer-links a:hover { color: var(--accent); }
.social-link { display: inline-flex; align-items: center; gap: 10px; color: #C9D7E4; transition: var(--transition); }
.social-link:hover { color: var(--accent); }
.social-link .icon { color: inherit; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding: 20px 0; }
.footer-bottom p { margin: 0; font-size: 0.9rem; color: #7E94A8; text-align: center; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* =====================================================================
   Responsive — tablet
   ===================================================================== */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero-sub { margin-left: auto; margin-right: auto; }
  .hero-actions, .trust-bar { justify-content: center; }
  .hero-visual { order: -1; margin-bottom: 20px; }
  .hero-image { max-width: 460px; }
  .cards-4 { grid-template-columns: repeat(2, 1fr); }
  .process-steps { grid-template-columns: repeat(2, 1fr); gap: 36px 24px; }
  .process-step:nth-child(2)::after, .process-step:not(:last-child)::after { display: none; }
  .quote-banner { padding: 36px 28px; text-align: center; justify-content: center; }
  .quote-banner-sub { margin-left: auto; margin-right: auto; }
  .quote-banner-actions { justify-content: center; width: 100%; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

/* =====================================================================
   Responsive — mobile (nav collapse + single column)
   ===================================================================== */
@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .primary-nav {
    position: fixed; inset: 72px 0 auto 0; background: #fff; border-bottom: 1px solid var(--line);
    transform: translateY(-130%); transition: transform var(--transition); box-shadow: var(--shadow-md);
    max-height: calc(100vh - 72px); overflow-y: auto;
  }
  .primary-nav.open { transform: translateY(0); }
  .primary-nav .nav-list { flex-direction: column; align-items: stretch; gap: 0; padding: 12px 20px 24px; }
  .nav-link { padding: 14px 8px; border-radius: 8px; font-size: 1.05rem; border-bottom: 1px solid var(--line); }
  .nav-cta-item { margin: 14px 0 0; }
  .nav-cta { width: 100%; }

  .section { padding: 52px 0; }
  .cards-3 { grid-template-columns: 1fr; }
  .cards-4 { grid-template-columns: 1fr 1fr; }
  .process-steps { grid-template-columns: 1fr; }
  .trust-bar { gap: 20px; flex-wrap: wrap; }
  .trust-number { font-size: 1.7rem; }
}

@media (max-width: 480px) {
  .cards-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-actions .btn { width: 100%; }
}
