/* ==========================================================================
   Coolvanta — Temperature-Controlled Transport
   Theme: white background, black text, icy-blue cold-chain accents
   ========================================================================== */

:root {
  --bg: #ffffff;
  --text: #131417;
  --text-muted: #4b5563;
  --primary: #073b63;      /* deep frost navy */
  --primary-dark: #052a47;
  --accent: #15a9d6;       /* icy cyan-blue */
  --accent-light: #eaf7fc; /* pale ice background */
  --border: #e3e9ed;
  --whatsapp: #25d366;
  --radius: 10px;
  --shadow: 0 6px 24px rgba(7, 59, 99, 0.08);
  --max-width: 1180px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: "Poppins", "Inter", system-ui, sans-serif;
  color: var(--primary);
  line-height: 1.25;
  font-weight: 600;
}

h1 { font-size: clamp(2rem, 4vw, 2.9rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
h3 { font-size: 1.2rem; }

p { color: var(--text); }

a {
  color: var(--accent);
  text-decoration: none;
}
a:hover { text-decoration: underline; }

img, svg { max-width: 100%; display: block; }

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

.muted { color: var(--text-muted); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.98rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); text-decoration: none; }

.btn-primary {
  background: var(--accent);
  color: #ffffff;
  box-shadow: 0 8px 20px rgba(21, 169, 214, 0.3);
}
.btn-primary:hover { background: #0f93ba; }

.btn-outline {
  background: transparent;
  border-color: var(--primary);
  color: var(--primary);
}
.btn-outline:hover { background: var(--accent-light); }

.btn-whatsapp {
  background: var(--whatsapp);
  color: #ffffff;
  box-shadow: 0 8px 20px rgba(37, 211, 102, 0.3);
}
.btn-whatsapp:hover { background: #1fb858; }

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

/* ---------- Top info bar ---------- */
.topbar {
  background: var(--primary);
  color: #ffffff;
  font-size: 0.85rem;
}
.topbar .container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  padding-top: 8px;
  padding-bottom: 8px;
}
.topbar a { color: #ffffff; }
.topbar-links { display: flex; gap: 18px; flex-wrap: wrap; }
.topbar-links span { opacity: 0.85; margin-right: 4px; }

@media (max-width: 860px) {
  .topbar .container {
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    gap: 6px;
  }
  .topbar-links {
    justify-content: center;
    width: 100%;
  }
}

/* ---------- Header / Nav ---------- */
header.site-header {
  background: #ffffff;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
}
.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: "Poppins", sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
}
.logo .flake {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
}
.logo .flake svg { width: 22px; height: 22px; }

.logo-img {
  height: 42px;
  width: auto;
  display: block;
}
@media (max-width: 480px) {
  .logo-img { height: 32px; }
}
.logo small {
  display: block;
  font-family: "Inter", sans-serif;
  font-size: 0.6rem;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

nav.main-nav ul {
  display: flex;
  gap: 32px;
  list-style: none;
}
nav.main-nav a {
  color: var(--text);
  font-weight: 500;
  font-size: 0.98rem;
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
}
nav.main-nav a:hover,
nav.main-nav a.active {
  color: var(--primary);
  border-bottom-color: var(--accent);
  text-decoration: none;
}

.nav-cta { display: flex; align-items: center; gap: 12px; }
.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.6rem;
  color: var(--primary);
  cursor: pointer;
}

@media (max-width: 860px) {
  nav.main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #ffffff;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
    display: none;
  }
  nav.main-nav.open { display: block; }
  nav.main-nav ul {
    flex-direction: column;
    gap: 0;
    padding: 8px 24px 16px;
  }
  nav.main-nav li { border-top: 1px solid var(--border); }
  nav.main-nav a { display: block; padding: 14px 4px; }
  .nav-toggle { display: block; }
  .nav-cta .btn-primary { display: none; }
}

/* ---------- Hero ---------- */
.hero {
  background: var(--accent-light);
  padding: 64px 0;
  overflow: hidden;
}
.hero .container {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 48px;
  align-items: center;
}
.hero-eyebrow {
  display: inline-block;
  background: #ffffff;
  color: var(--primary);
  border: 1px solid var(--border);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 18px;
}
.hero p.lead {
  margin-top: 16px;
  font-size: 1.08rem;
  color: var(--text-muted);
  max-width: 540px;
}
.hero-media {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

@media (max-width: 860px) {
  .hero .container { grid-template-columns: 1fr; }
  .hero-media { order: -1; }
}

/* ---------- Page banner (services/contact) ---------- */
.page-banner {
  background: linear-gradient(120deg, var(--primary), var(--primary-dark));
  color: #ffffff;
  padding: 54px 0;
  text-align: center;
}
.page-banner h1 { color: #ffffff; }
.page-banner p { color: #d7ecf5; max-width: 620px; margin: 10px auto 0; }

/* ---------- Sections ---------- */
section { padding: 64px 0; }
.section-alt { background: var(--accent-light); }
.section-head { max-width: 680px; margin: 0 auto 40px; text-align: center; }
.section-head .eyebrow {
  color: var(--accent);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ---------- Feature / highlight grid ---------- */
.grid {
  display: grid;
  gap: 24px;
}
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 960px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .grid-3, .grid-4 { grid-template-columns: 1fr; } }

.card {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: var(--shadow);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: 0 10px 28px rgba(7,59,99,0.14); }

.icon-badge {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: var(--accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}
.icon-badge svg { width: 26px; height: 26px; stroke: var(--primary); }

/* ---------- About / split sections ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
@media (max-width: 860px) { .split { grid-template-columns: 1fr; } }
.split img, .split .img-wrap {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.stat-row {
  display: flex;
  gap: 32px;
  margin-top: 28px;
  flex-wrap: wrap;
}
.stat b {
  display: block;
  font-family: "Poppins", sans-serif;
  font-size: 1.6rem;
  color: var(--primary);
}
.stat span { color: var(--text-muted); font-size: 0.88rem; }

/* ---------- CTA band ---------- */
.cta-band {
  background: var(--primary);
  color: #ffffff;
  padding: 48px 0;
}
.cta-band .container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
}
.cta-band h2 { color: #ffffff; margin-bottom: 6px; }
.cta-band p { color: #c9e4ef; }

/* ---------- Services list page ---------- */
.service-card { display: flex; gap: 16px; align-items: flex-start; }
.service-card .icon-badge { flex-shrink: 0; margin-bottom: 0; }
.service-card h3 { margin-bottom: 6px; }
.service-card p { color: var(--text-muted); font-size: 0.95rem; }

.range-banner {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  align-items: center;
  gap: 28px;
  box-shadow: var(--shadow);
}
.range-banner .temps {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}
.range-banner .temps div {
  text-align: center;
  background: var(--accent-light);
  border-radius: var(--radius);
  padding: 14px 20px;
  min-width: 110px;
}
.range-banner .temps b { display: block; font-size: 1.3rem; color: var(--primary); font-family: "Poppins", sans-serif; }
.range-banner .temps span { font-size: 0.8rem; color: var(--text-muted); }

/* ---------- Contact page ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}
@media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; } }

.contact-card {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 32px;
}
.contact-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 18px 0;
  border-bottom: 1px solid var(--border);
}
.contact-item:last-child { border-bottom: none; }
.contact-item .icon-badge { margin-bottom: 0; flex-shrink: 0; }
.contact-item h3 { font-size: 1rem; margin-bottom: 4px; }
.contact-item a, .contact-item span.value { font-weight: 600; color: var(--text); font-size: 1.05rem; }
.contact-item a:hover { color: var(--accent); }

.map-wrap {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  min-height: 420px;
}
.map-wrap iframe { width: 100%; height: 100%; min-height: 420px; border: 0; }
.map-note {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 10px;
}

/* ---------- Footer ---------- */
footer.site-footer {
  background: var(--primary-dark);
  color: #cfe3ec;
  padding: 48px 0 20px;
  margin-top: 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr; } }
footer .logo { color: #ffffff; }
footer .logo small { color: #9fc3d4; }
footer p { color: #ffffff; }
footer h4 { color: #ffffff; font-size: 0.95rem; margin-bottom: 14px; }
footer ul { list-style: none; }
footer li { margin-bottom: 10px; }
footer a { color: #cfe3ec; font-size: 0.92rem; }
footer a:hover { color: #ffffff; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 18px;
  font-size: 0.82rem;
  color: #8fb4c4;
}

/* ---------- Mobile quick-contact menu items ---------- */
.nav-quick {
  display: none;
}
@media (max-width: 860px) {
  .nav-quick {
    display: flex;
    gap: 10px;
    padding: 16px 24px 20px;
  }
  .nav-quick a {
    flex: 1;
    text-align: center;
    padding: 12px 10px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.92rem;
  }
  .nav-quick .call { background: var(--accent-light); color: var(--primary); }
  .nav-quick .wa { background: var(--whatsapp); color: #fff; }
}

/* ---------- Floating WhatsApp button ---------- */
.whatsapp-float {
  position: fixed;
  right: max(20px, env(safe-area-inset-right));
  bottom: max(20px, env(safe-area-inset-bottom));
  width: 58px;
  height: 58px;
  background: var(--whatsapp);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.3);
  z-index: 999;
  animation: wa-pulse 2.6s infinite;
}
.whatsapp-float svg { width: 30px; height: 30px; }
.whatsapp-float:hover { transform: scale(1.06); }

@keyframes wa-pulse {
  0% { box-shadow: 0 10px 26px rgba(0,0,0,0.3), 0 0 0 0 rgba(37, 211, 102, 0.55); }
  70% { box-shadow: 0 10px 26px rgba(0,0,0,0.3), 0 0 0 14px rgba(37, 211, 102, 0); }
  100% { box-shadow: 0 10px 26px rgba(0,0,0,0.3), 0 0 0 0 rgba(37, 211, 102, 0); }
}

@media (max-width: 480px) {
  .whatsapp-float { width: 52px; height: 52px; right: max(14px, env(safe-area-inset-right)); bottom: max(14px, env(safe-area-inset-bottom)); }
  .whatsapp-float svg { width: 27px; height: 27px; }
}

/* ---------- Quick call/WhatsApp strip (contact page) ---------- */
.quick-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 28px;
  box-shadow: var(--shadow);
  margin-bottom: 32px;
}
.quick-strip .btn-row { margin-top: 0; }

/* ---------- Contact form ---------- */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.form-grid .full { grid-column: 1 / -1; }
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 18px; }
.field label { font-size: 0.88rem; font-weight: 600; color: var(--primary); }
.field input,
.field select,
.field textarea {
  font-family: inherit;
  font-size: 0.98rem;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  color: var(--text);
  width: 100%;
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(21, 169, 214, 0.15);
}
.field textarea { resize: vertical; min-height: 120px; }
.form-note { font-size: 0.82rem; color: var(--text-muted); margin-top: 4px; }
.form-success {
  display: none;
  background: var(--accent-light);
  border: 1px solid var(--accent);
  color: var(--primary);
  padding: 14px 18px;
  border-radius: 8px;
  margin-bottom: 18px;
  font-size: 0.95rem;
}
.form-success.show { display: block; }

@media (max-width: 600px) {
  .form-grid { grid-template-columns: 1fr; }
}

/* ---------- Extra small-phone refinements ---------- */
@media (max-width: 480px) {
  .container { padding: 0 16px; }
  section { padding: 44px 0; }
  .hero { padding: 40px 0; }
  .page-banner { padding: 40px 0; }
  .btn-row { flex-direction: column; align-items: stretch; }
  .btn-row .btn { width: 100%; justify-content: center; }
  .topbar-links { gap: 12px; font-size: 0.8rem; }
  .logo { font-size: 1.25rem; }
  .logo .flake { width: 32px; height: 32px; }
  .range-banner { flex-direction: column; align-items: stretch; text-align: left; }
  .range-banner .temps { justify-content: space-between; }
  .range-banner .temps div { flex: 1; min-width: 0; padding: 12px 10px; }
  .quick-strip { flex-direction: column; align-items: stretch; text-align: center; }
}

/* ---------- Tap target comfort on touch devices ---------- */
.nav-toggle { padding: 8px 10px; min-width: 44px; min-height: 44px; }

/* ---------- Placeholder image badge ---------- */
.placeholder-tag {
  position: absolute;
  bottom: 10px;
  right: 10px;
  background: rgba(7, 59, 99, 0.85);
  color: #fff;
  font-size: 0.68rem;
  padding: 4px 10px;
  border-radius: 999px;
  letter-spacing: 0.03em;
}
.img-wrap { position: relative; }