/* ==========================================================================
   National Cooltech — Design System
   ========================================================================== */

:root {
  /* Color — deep navy + metallic silver + azure, sampled from brand mark */
  --color-primary: #123a6b;
  --color-primary-dark: #0a2549;
  --color-primary-light: #eaf0f8;
  --color-accent: #2f6fe0;
  --color-accent-dark: #1e4fb0;
  --color-violet: #7c5cff;
  --color-green: #16a34a;
  --color-amber: #e0912b;
  --color-silver: #97a2af;
  --color-silver-light: #e6e9ed;
  --color-ink: #0e1b2b;
  --color-text: #2b3a4a;
  --color-text-muted: #5b6b7d;
  --color-border: #e2e8f0;
  --color-surface: #ffffff;
  --color-surface-alt: #f4f6f8;
  --color-surface-dark: #06152a;
  --color-warn: #e0912b;

  /* Type */
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-head: "Plus Jakarta Sans", var(--font-body);

  /* Shape */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 1px 2px rgba(16, 32, 47, 0.06), 0 1px 1px rgba(16, 32, 47, 0.04);
  --shadow-md: 0 8px 24px rgba(11, 45, 79, 0.10);
  --shadow-lg: 0 24px 60px rgba(7, 33, 61, 0.18);

  /* Layout */
  --container: 1200px;
  --gutter: clamp(20px, 5vw, 48px);
}

/* Reset ------------------------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body {
  margin: 0;
  overflow-x: hidden;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-surface);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
button { font: inherit; cursor: pointer; }
h1, h2, h3, h4 { font-family: var(--font-head); color: var(--color-ink); line-height: 1.2; margin: 0; font-weight: 700; }
p { margin: 0; }

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

section { padding-block: clamp(56px, 8vw, 104px); }
.section-alt { background: var(--color-surface-alt); }

/* Eyebrow / section heading ------------------------------------------------ */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  background: rgba(47, 111, 224, 0.1);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 16px;
}
.section-head { max-width: 640px; margin-bottom: 48px; }
.section-head h2 { font-size: clamp(1.75rem, 3vw, 2.5rem); margin-bottom: 14px; }
.section-head p { color: var(--color-text-muted); font-size: 1.05rem; }
.section-head.center { margin-inline: auto; text-align: center; }

/* Buttons ------------------------------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  border: 2px solid transparent;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease, color 0.15s ease;
  white-space: nowrap;
}
.btn-primary { background: var(--color-accent); color: #fff; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--color-accent-dark); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-outline { border-color: rgba(255,255,255,0.5); color: #fff; }
.btn-outline:hover { background: rgba(255,255,255,0.12); transform: translateY(-2px); }
.btn-ghost { border-color: var(--color-border); color: var(--color-primary); }
.btn-ghost:hover { border-color: var(--color-primary); background: var(--color-primary-light); }
.btn-block { width: 100%; }
.btn svg { width: 18px; height: 18px; flex-shrink: 0; }

/* Top bar -------------------------------------------------------------- */
.topbar {
  background: var(--color-surface-dark);
  color: rgba(255,255,255,0.85);
  font-size: 0.85rem;
}
.topbar .container { display: flex; align-items: center; justify-content: space-between; padding-block: 7px; gap: 16px; flex-wrap: wrap; }
.topbar-info { display: flex; gap: 24px; flex-wrap: wrap; }
.topbar-info a, .topbar-info span { display: inline-flex; align-items: center; gap: 6px; color: inherit; }
.topbar-info svg { width: 14px; height: 14px; opacity: 0.85; }
.topbar-social { display: flex; gap: 12px; }
.topbar-social a { width: 26px; height: 26px; border-radius: 50%; background: rgba(255,255,255,0.1); display: inline-flex; align-items: center; justify-content: center; transition: background 0.15s; }
.topbar-social a:hover { background: var(--color-accent); }
.topbar-social svg { width: 13px; height: 13px; }

/* Header ----------------------------------------------------------------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; padding-block: 11px; gap: 18px; }

.logo { display: flex; align-items: center; flex-shrink: 0; }
.logo-img { height: 54px; width: auto; display: block; }
.footer-logo-chip { display: inline-flex; align-items: center; background: #fff; padding: 10px 16px; border-radius: var(--radius-sm); }
.footer-logo-chip .logo-img { height: 42px; }

.main-nav { display: flex; align-items: center; gap: 2px; flex-shrink: 0; }
.main-nav > ul { display: flex; align-items: center; gap: 1px; }
.main-nav > ul > li { flex-shrink: 0; }
.main-nav a.nav-link {
  padding: 9px 13px; border-radius: 100px; font-weight: 600; font-size: 0.9rem; color: var(--color-text);
  white-space: nowrap; transition: background 0.15s, color 0.15s;
}
.main-nav a.nav-link:hover, .main-nav a.nav-link.active { background: var(--color-primary-light); color: var(--color-primary); }

.has-dropdown { position: relative; }
.has-dropdown > .nav-link { display: inline-flex; align-items: center; gap: 4px; }
.has-dropdown > .nav-link svg { width: 14px; height: 14px; transition: transform 0.15s; }
.dropdown {
  position: absolute; top: calc(100% + 8px); left: 0; min-width: 260px;
  background: #fff; border-radius: var(--radius-md); box-shadow: var(--shadow-lg); border: 1px solid var(--color-border);
  padding: 10px; opacity: 0; visibility: hidden; transform: translateY(6px);
  transition: opacity 0.15s ease, transform 0.15s ease, visibility 0.15s;
  display: grid; grid-template-columns: 1fr 1fr; gap: 2px;
}
.has-dropdown:hover .dropdown, .has-dropdown:focus-within .dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.has-dropdown:hover > .nav-link svg { transform: rotate(180deg); }
.dropdown a { display: block; padding: 9px 12px; border-radius: 8px; font-size: 0.88rem; font-weight: 500; color: var(--color-text); }
.dropdown a:hover { background: var(--color-surface-alt); color: var(--color-primary); }

.header-cta { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.header-phone { display: flex; align-items: center; gap: 10px; }
.header-phone-icon { width: 40px; height: 40px; border-radius: 50%; background: var(--color-primary-light); color: var(--color-primary); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.header-phone-icon svg { width: 18px; height: 18px; }
.header-phone-text { display: none; line-height: 1.25; white-space: nowrap; }
.header-phone-text small { display: block; font-size: 0.72rem; color: var(--color-text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; }
.header-phone-text a { font-weight: 700; color: var(--color-ink); font-size: 0.95rem; }

.nav-toggle { display: none; width: 44px; height: 44px; border-radius: 10px; border: 1px solid var(--color-border); background: #fff; align-items: center; justify-content: center; }
.nav-toggle svg { width: 22px; height: 22px; }

/* Hero --------------------------------------------------------------------- */
.hero {
  position: relative;
  background: linear-gradient(160deg, var(--color-surface-dark) 0%, var(--color-primary-dark) 55%, var(--color-primary) 100%);
  color: #fff;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image: radial-gradient(circle at 15% 20%, rgba(47,111,224,0.25), transparent 45%), radial-gradient(circle at 85% 80%, rgba(47,111,224,0.18), transparent 40%);
  pointer-events: none;
}
.hero .container { position: relative; display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center; padding-block: clamp(28px, 4vw, 52px); }
.hero-badges { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 16px; }
.hero-badge { display: inline-flex; align-items: center; gap: 7px; background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.18); padding: 7px 14px; border-radius: 100px; font-size: 0.8rem; font-weight: 600; }
.hero-badge svg { width: 14px; height: 14px; color: var(--color-accent); }
.hero h1 { font-size: clamp(2.1rem, 3.6vw, 2.9rem); color: #fff; margin-bottom: 16px; }
.hero h1 em { font-style: normal; color: var(--color-accent); }
.hero p.lead { font-size: 1.05rem; color: rgba(255,255,255,0.82); max-width: 540px; margin-bottom: 24px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 22px; }
.hero-stats { display: flex; gap: 32px; flex-wrap: wrap; }
.hero-stats div strong { display: block; font-size: 1.6rem; font-family: var(--font-head); color: #fff; }
.hero-stats div span { font-size: 0.82rem; color: rgba(255,255,255,0.7); }

/* Colorful stat accents — pastel tints on dark surfaces, saturated on light */
.hero-stats .stat-blue strong,
.media-card .stat-blue strong { color: #7cb0ff; }
.hero-stats .stat-violet strong,
.media-card .stat-violet strong { color: #b39dff; }
.hero-stats .stat-green strong,
.media-card .stat-green strong { color: #6ee0a0; }
.hero-stats .stat-amber strong,
.media-card .stat-amber strong { color: #f5b874; }

.stat-card.stat-blue strong { color: var(--color-accent); }
.stat-card.stat-violet strong { color: var(--color-violet); }
.stat-card.stat-green strong { color: var(--color-green); }
.stat-card.stat-amber strong { color: var(--color-amber); }
.media-card .stat-card.stat-blue strong { color: #7cb0ff; }
.media-card .stat-card.stat-violet strong { color: #b39dff; }
.media-card .stat-card.stat-green strong { color: #6ee0a0; }
.media-card .stat-card.stat-amber strong { color: #f5b874; }

.hero-art { position: relative; display: flex; align-items: center; justify-content: center; }
.hero-art .art-card { background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.16); border-radius: var(--radius-lg); padding: clamp(24px, 4vw, 44px); backdrop-filter: blur(6px); width: 100%; }
.hero-art .unit-illustration { width: 100%; height: auto; }
.hero-art .floating-chip {
  position: absolute; background: #fff; color: var(--color-ink); border-radius: var(--radius-md); padding: 14px 16px; box-shadow: var(--shadow-lg);
  display: flex; align-items: center; gap: 10px; font-size: 0.85rem; font-weight: 700;
}
.hero-art .chip-1 { top: -10px; right: -6px; }
.hero-art .chip-2 { bottom: -14px; left: -18px; }
.hero-art .chip-icon { width: 34px; height: 34px; border-radius: 10px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.chip-1 .chip-icon { background: var(--color-primary-light); color: var(--color-primary); }
.chip-2 .chip-icon { background: rgba(47,111,224,0.15); color: var(--color-accent-dark); }
.hero-art .floating-chip span { display: block; font-weight: 400; color: var(--color-text-muted); font-size: 0.72rem; }

/* Trust strip --------------------------------------------------------------- */
.trust-strip { background: var(--color-surface); border-bottom: 1px solid var(--color-border); }
.trust-strip .container { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; padding-block: 32px; }
.trust-item { display: flex; align-items: center; gap: 14px; }
.trust-item .icon { width: 46px; height: 46px; border-radius: 12px; background: var(--color-primary-light); color: var(--color-primary); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.trust-item .icon svg { width: 22px; height: 22px; }
.trust-item strong { display: block; font-size: 0.95rem; color: var(--color-ink); }
.trust-item span { font-size: 0.82rem; color: var(--color-text-muted); }

/* Cards grid ------------------------------------------------------------- */
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-5 { grid-template-columns: repeat(5, 1fr); }

.service-card {
  background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md);
  padding: 28px; transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: transparent; }
.service-card .icon { width: 52px; height: 52px; border-radius: 14px; background: var(--color-primary-light); color: var(--color-primary); display: flex; align-items: center; justify-content: center; margin-bottom: 18px; }
.service-card .icon svg { width: 26px; height: 26px; }
.service-card h3 { font-size: 1.1rem; margin-bottom: 8px; }
.service-card p { color: var(--color-text-muted); font-size: 0.92rem; margin-bottom: 16px; }
.service-card .link { font-weight: 700; font-size: 0.86rem; color: var(--color-primary); display: inline-flex; align-items: center; gap: 6px; }
.service-card .link svg { width: 14px; height: 14px; transition: transform 0.15s; }
.service-card:hover .link svg { transform: translateX(3px); }

/* Why choose us ------------------------------------------------------------ */
.why-wrap { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 56px; align-items: center; }
.why-list { display: flex; flex-direction: column; gap: 20px; margin-top: 28px; }
.why-item { display: flex; gap: 16px; align-items: flex-start; }
.why-item .icon { width: 44px; height: 44px; border-radius: 12px; background: rgba(47,111,224,0.12); color: var(--color-accent-dark); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.why-item .icon svg { width: 20px; height: 20px; }
.why-item h4 { font-size: 1rem; margin-bottom: 4px; }
.why-item p { color: var(--color-text-muted); font-size: 0.9rem; }
.why-media { position: relative; }
.why-media .media-card { background: linear-gradient(160deg, var(--color-primary-dark), var(--color-primary)); border-radius: var(--radius-lg); padding: 40px; color: #fff; box-shadow: var(--shadow-lg); }

/* Process ------------------------------------------------------------------ */
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: step; }
.process-step { position: relative; padding: 28px 22px; border: 1px solid var(--color-border); border-radius: var(--radius-md); background: var(--color-surface); }
.process-step .num { width: 40px; height: 40px; border-radius: 50%; background: var(--color-primary); color: #fff; display: flex; align-items: center; justify-content: center; font-family: var(--font-head); font-weight: 800; margin-bottom: 18px; }
.process-step h4 { font-size: 1rem; margin-bottom: 8px; }
.process-step p { font-size: 0.88rem; color: var(--color-text-muted); }
.process-connector { position: absolute; top: 40px; left: 100%; width: 20px; height: 2px; background: var(--color-border); }

/* Testimonials -------------------------------------------------------------- */
.testimonial-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 30px; }
.testimonial-stars { display: flex; gap: 3px; margin-bottom: 16px; color: #f5a623; }
.testimonial-stars svg { width: 16px; height: 16px; }
.testimonial-card p.quote { font-size: 0.98rem; color: var(--color-text); margin-bottom: 22px; }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.testimonial-avatar { width: 42px; height: 42px; border-radius: 50%; background: var(--color-primary-light); color: var(--color-primary); display: flex; align-items: center; justify-content: center; font-weight: 700; font-family: var(--font-head); flex-shrink: 0; }
.testimonial-author strong { display: block; font-size: 0.9rem; }
.testimonial-author span { font-size: 0.78rem; color: var(--color-text-muted); }

/* CTA banner ----------------------------------------------------------------- */
.cta-banner {
  background: linear-gradient(120deg, var(--color-primary-dark), var(--color-primary) 60%, var(--color-accent-dark));
  border-radius: var(--radius-lg); padding: clamp(36px, 5vw, 56px); color: #fff;
  display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap;
}
.cta-banner h3 { color: #fff; font-size: clamp(1.4rem, 2.4vw, 1.9rem); margin-bottom: 8px; }
.cta-banner p { color: rgba(255,255,255,0.82); }
.cta-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* FAQ ------------------------------------------------------------------------- */
.faq-list { display: flex; flex-direction: column; gap: 12px; max-width: 780px; margin-inline: auto; }
.faq-item { border: 1px solid var(--color-border); border-radius: var(--radius-md); background: var(--color-surface); overflow: hidden; }
.faq-question { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 20px 24px; background: none; border: none; text-align: left; font-family: var(--font-head); font-weight: 700; font-size: 1rem; color: var(--color-ink); }
.faq-question .plus { width: 26px; height: 26px; border-radius: 50%; background: var(--color-primary-light); color: var(--color-primary); display: flex; align-items: center; justify-content: center; flex-shrink: 0; transition: transform 0.2s; }
.faq-question .plus svg { width: 14px; height: 14px; }
.faq-item.open .faq-question .plus { transform: rotate(45deg); background: var(--color-accent); color: #fff; }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.25s ease; }
.faq-answer p { padding: 0 24px 20px; color: var(--color-text-muted); font-size: 0.92rem; }
.faq-item.open .faq-answer { max-height: 240px; }

/* Footer ----------------------------------------------------------------------- */
.site-footer { background: var(--color-surface-dark); color: rgba(255,255,255,0.7); }
.footer-top { padding-block: 64px; display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; }
.footer-about p { margin-top: 16px; font-size: 0.9rem; line-height: 1.7; max-width: 320px; }
.footer-social { display: flex; gap: 10px; margin-top: 20px; }
.footer-social a { width: 36px; height: 36px; border-radius: 50%; background: rgba(255,255,255,0.08); display: flex; align-items: center; justify-content: center; transition: background 0.15s; }
.footer-social a:hover { background: var(--color-accent); }
.footer-social svg { width: 15px; height: 15px; }
.footer-col h4 { color: #fff; font-size: 0.95rem; margin-bottom: 20px; }
.footer-col ul { display: flex; flex-direction: column; gap: 12px; }
.footer-col a { font-size: 0.88rem; transition: color 0.15s; }
.footer-col a:hover { color: #fff; }
.footer-contact li { display: flex; gap: 10px; align-items: flex-start; font-size: 0.88rem; }
.footer-contact svg { width: 16px; height: 16px; color: var(--color-accent); flex-shrink: 0; margin-top: 3px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-block: 22px; display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 0.82rem; }
.footer-bottom-links { display: flex; gap: 20px; }
.footer-bottom-links a:hover { color: #fff; }

/* Page hero (interior pages) --------------------------------------------------- */
.page-hero { background: linear-gradient(160deg, var(--color-surface-dark), var(--color-primary-dark)); color: #fff; padding-block: 56px; }
.page-hero .container { position: relative; }
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 0.85rem; color: rgba(255,255,255,0.65); margin-bottom: 14px; }
.breadcrumb a:hover { color: #fff; }
.page-hero h1 { color: #fff; font-size: clamp(1.8rem, 3.4vw, 2.6rem); }
.page-hero p { color: rgba(255,255,255,0.78); max-width: 560px; margin-top: 12px; }

/* Form ---------------------------------------------------------------------------- */
.form-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: clamp(24px, 4vw, 40px); box-shadow: var(--shadow-md); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-bottom: 18px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 0.85rem; font-weight: 700; color: var(--color-ink); }
.field input, .field select, .field textarea {
  border: 1.5px solid var(--color-border); border-radius: var(--radius-sm); padding: 12px 14px; font: inherit; color: var(--color-text);
  background: var(--color-surface-alt); transition: border-color 0.15s, background 0.15s;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--color-accent); background: #fff; }
.field textarea { resize: vertical; min-height: 120px; }
.field select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  padding-right: 42px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235b6b7d' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-size: 16px;
}
.field select::-ms-expand { display: none; }
.form-note { font-size: 0.78rem; color: var(--color-text-muted); margin-top: 14px; }

/* Info cards on contact page -------------------------------------------------------- */
.contact-info-list { display: flex; flex-direction: column; gap: 18px; }
.contact-info-card { display: flex; gap: 16px; align-items: flex-start; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 22px; }
.contact-info-card .icon { width: 46px; height: 46px; border-radius: 12px; background: var(--color-primary-light); color: var(--color-primary); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.contact-info-card .icon svg { width: 22px; height: 22px; }
.contact-info-card h4 { font-size: 0.95rem; margin-bottom: 4px; }
.contact-info-card p, .contact-info-card a { font-size: 0.88rem; color: var(--color-text-muted); }

.map-embed { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--color-border); height: 340px; }
.map-embed iframe { width: 100%; height: 100%; border: 0; display: block; }

/* Content page basics (about/services detail) -------------------------------------- */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.stat-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 32px; }
.stat-card { background: var(--color-surface-alt); border-radius: var(--radius-md); padding: 22px; text-align: center; }
.stat-card strong { display: block; font-family: var(--font-head); font-size: 1.8rem; color: var(--color-primary); }
.stat-card span { font-size: 0.8rem; color: var(--color-text-muted); }

.value-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 26px; }
.value-card .icon { width: 48px; height: 48px; border-radius: 12px; background: var(--color-primary-light); color: var(--color-primary); display: flex; align-items: center; justify-content: center; margin-bottom: 16px; }
.value-card .icon svg { width: 22px; height: 22px; }
.value-card h3 { font-size: 1.05rem; margin-bottom: 8px; }
.value-card p { font-size: 0.9rem; color: var(--color-text-muted); }

/* Service detail cards on services page -------------------------------------------- */
.service-detail { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 40px; align-items: center; padding-block: 48px; border-bottom: 1px solid var(--color-border); }
.service-detail:last-child { border-bottom: none; }
.service-detail:nth-child(even) { direction: rtl; }
.service-detail:nth-child(even) > * { direction: ltr; }
.service-detail-media { background: var(--color-surface-alt); border-radius: var(--radius-lg); padding: 40px; display: flex; align-items: center; justify-content: center; aspect-ratio: 4/3; }
.service-detail-media svg { width: 55%; height: 55%; color: var(--color-primary); }
.service-detail-body .tag { display: inline-block; font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--color-accent-dark); background: rgba(47,111,224,0.1); padding: 5px 12px; border-radius: 100px; margin-bottom: 14px; }
.service-detail-body h3 { font-size: 1.5rem; margin-bottom: 12px; }
.service-detail-body p { color: var(--color-text-muted); margin-bottom: 18px; }
.check-list { display: flex; flex-direction: column; gap: 10px; margin-bottom: 22px; }
.check-list li { display: flex; align-items: center; gap: 10px; font-size: 0.9rem; }
.check-list svg { width: 18px; height: 18px; color: var(--color-accent-dark); flex-shrink: 0; }

/* Maintenance plans ------------------------------------------------------------------ */
.plan-card { background: var(--color-surface); border: 1.5px solid var(--color-border); border-radius: var(--radius-lg); padding: 32px; position: relative; }
.plan-card.featured { border-color: var(--color-accent); box-shadow: var(--shadow-md); }
.plan-badge { position: absolute; top: -14px; right: 28px; background: var(--color-accent); color: #fff; font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; padding: 6px 14px; border-radius: 100px; }
.plan-card h3 { font-size: 1.15rem; margin-bottom: 8px; }
.plan-card .price { font-family: var(--font-head); font-size: 1rem; color: var(--color-text-muted); margin-bottom: 20px; }
.plan-card .price strong { font-size: 1.1rem; color: var(--color-ink); }

/* Utility ------------------------------------------------------------------------------ */
.mt-0 { margin-top: 0 !important; }
.text-center { text-align: center; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* Chat widget ------------------------------------------------------------------------------ */
.chat-fab {
  position: fixed; right: 24px; bottom: 24px; z-index: 150;
  display: flex; align-items: center; gap: 10px;
  background: var(--color-accent); color: #fff; border: none; border-radius: 100px;
  padding: 14px 20px 14px 16px; font-weight: 700; font-size: 0.92rem;
  box-shadow: var(--shadow-lg); transition: transform 0.15s ease, background 0.15s ease;
}
.chat-fab:hover { background: var(--color-accent-dark); transform: translateY(-2px); }
.chat-fab .fab-icon { width: 26px; height: 26px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; position: relative; }
.chat-fab .fab-icon svg { width: 22px; height: 22px; }
.chat-fab .fab-ping {
  position: absolute; inset: -4px; border-radius: 50%; border: 2px solid rgba(255,255,255,0.6);
  animation: fab-pulse 2.2s ease-out infinite;
}
@keyframes fab-pulse {
  0% { transform: scale(0.7); opacity: 0.8; }
  100% { transform: scale(1.6); opacity: 0; }
}
.chat-fab.is-open { background: var(--color-primary-dark); }

.chat-panel {
  position: fixed; right: 24px; bottom: 96px; z-index: 150; width: min(360px, calc(100vw - 48px));
  background: #fff; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); border: 1px solid var(--color-border);
  overflow: hidden; opacity: 0; visibility: hidden; transform: translateY(16px) scale(0.98);
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s;
}
.chat-panel.open { opacity: 1; visibility: visible; transform: translateY(0) scale(1); }
.chat-panel-head {
  background: linear-gradient(120deg, var(--color-primary-dark), var(--color-primary));
  color: #fff; padding: 20px 22px; display: flex; align-items: flex-start; justify-content: space-between; gap: 12px;
}
.chat-panel-head h4 { color: #fff; font-size: 1.02rem; margin-bottom: 4px; }
.chat-panel-head p { color: rgba(255,255,255,0.78); font-size: 0.8rem; display: flex; align-items: center; gap: 6px; }
.chat-panel-head p .dot { width: 7px; height: 7px; border-radius: 50%; background: #4ade80; display: inline-block; flex-shrink: 0; }
.chat-panel-close { width: 30px; height: 30px; border-radius: 50%; background: rgba(255,255,255,0.14); border: none; color: #fff; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.chat-panel-close svg { width: 15px; height: 15px; }

.chat-panel-body { padding: 18px 22px 22px; }
.chat-quick { display: flex; flex-direction: column; gap: 8px; margin-bottom: 18px; }
.chat-quick a { display: flex; align-items: center; gap: 12px; padding: 11px 14px; border: 1.5px solid var(--color-border); border-radius: var(--radius-sm); font-weight: 600; font-size: 0.88rem; color: var(--color-ink); transition: border-color 0.15s, background 0.15s; }
.chat-quick a:hover { border-color: var(--color-accent); background: var(--color-surface-alt); }
.chat-quick a .icon { width: 32px; height: 32px; border-radius: 9px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.chat-quick a .icon svg { width: 16px; height: 16px; }
.chat-quick a.qa-call .icon { background: var(--color-primary-light); color: var(--color-primary); }
.chat-quick a.qa-whatsapp .icon { background: rgba(37,211,102,0.14); color: #1fa855; }
.chat-quick a.qa-email .icon { background: rgba(47,111,224,0.12); color: var(--color-accent-dark); }

.chat-panel-body .divider { display: flex; align-items: center; gap: 10px; font-size: 0.72rem; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 14px; }
.chat-panel-body .divider::before, .chat-panel-body .divider::after { content: ""; flex: 1; height: 1px; background: var(--color-border); }
.chat-form { display: flex; flex-direction: column; gap: 10px; }
.chat-form input, .chat-form textarea { border: 1.5px solid var(--color-border); border-radius: var(--radius-sm); padding: 10px 12px; font: inherit; font-size: 0.88rem; background: var(--color-surface-alt); transition: border-color 0.15s, background 0.15s; }
.chat-form input:focus, .chat-form textarea:focus { outline: none; border-color: var(--color-accent); background: #fff; }
.chat-form textarea { min-height: 66px; resize: vertical; }
.chat-form-note { font-size: 0.78rem; color: var(--color-accent-dark); font-weight: 600; display: none; margin-top: 2px; }

@media (max-width: 480px) {
  .chat-fab span.fab-label { display: none; }
  .chat-fab { padding: 14px; }
  .chat-panel { right: 16px; left: 16px; width: auto; }
}

/* Sticky bottom Call/WhatsApp bar — phone-width screens only ------------------------------- */
.mobile-action-bar { display: none; }

@media (max-width: 768px) {
  .mobile-action-bar {
    display: flex; position: fixed; left: 0; right: 0; bottom: 0; z-index: 140;
    box-shadow: 0 -6px 24px rgba(16,32,47,0.16);
  }
  .mobile-action-bar a {
    flex: 1; display: flex; align-items: center; justify-content: center; gap: 8px;
    padding: 15px 12px; font-weight: 700; font-size: 0.92rem; color: #fff;
  }
  .mobile-action-bar a svg { width: 18px; height: 18px; flex-shrink: 0; }
  .mab-call { background: var(--color-accent); }
  .mab-whatsapp { background: #25d366; }

  .site-footer { padding-bottom: 64px; }
  .chat-fab { bottom: 80px; }
  .chat-panel { bottom: 148px; }
}

/* Mobile nav panel ------------------------------------------------------------------------ */
.mobile-panel {
  position: fixed; inset: 0; overflow: hidden; background: rgba(8,20,35,0.5); z-index: 200; opacity: 0; visibility: hidden; transition: opacity 0.2s;
}
.mobile-panel.open { opacity: 1; visibility: visible; }
.mobile-panel-inner {
  position: absolute; top: 0; right: 0; width: min(340px, 86vw); height: 100%; background: #fff; padding: 24px; overflow-y: auto;
  transform: translateX(100%); transition: transform 0.25s ease; display: flex; flex-direction: column; gap: 4px;
}
.mobile-panel.open .mobile-panel-inner { transform: translateX(0); }
.mobile-panel-close { align-self: flex-end; width: 40px; height: 40px; border-radius: 10px; border: 1px solid var(--color-border); background: none; display: flex; align-items: center; justify-content: center; margin-bottom: 12px; }
.mobile-panel-close svg { width: 18px; height: 18px; }
.mobile-panel a.nav-link { display: block; padding: 13px 14px; border-radius: 10px; font-weight: 600; }
.mobile-nav-item { display: flex; align-items: center; gap: 4px; }
.mobile-nav-item .nav-link { flex: 1; }
.mobile-dropdown-toggle {
  width: 40px; height: 40px; flex-shrink: 0; border: none; background: var(--color-surface-alt); border-radius: 10px;
  display: flex; align-items: center; justify-content: center; color: var(--color-text);
}
.mobile-dropdown-toggle svg { width: 16px; height: 16px; transition: transform 0.2s ease; }
.mobile-dropdown-toggle.open svg { transform: rotate(180deg); }
.mobile-panel .sub-links {
  display: grid; grid-template-rows: 0fr; transition: grid-template-rows 0.2s ease; padding-left: 14px;
}
.mobile-panel .sub-links.open { grid-template-rows: 1fr; padding-bottom: 8px; }
.mobile-panel .sub-links-track { overflow: hidden; display: flex; flex-direction: column; min-height: 0; }
.mobile-panel .sub-links a { font-size: 0.88rem; font-weight: 500; color: var(--color-text-muted); padding: 9px 14px; }

/* ============================== Responsive ============================== */
@media (min-width: 1400px) {
  .header-phone-text { display: block; }
}

@media (max-width: 1180px) {
  .main-nav { display: none; }
  .header-phone { display: none; }
  .nav-toggle { display: flex; }
}

@media (max-width: 1080px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-5 { grid-template-columns: repeat(3, 1fr); }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .process-connector { display: none; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .why-wrap, .two-col { grid-template-columns: 1fr; }
  .trust-strip .container { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 860px) {
  .hero .container { grid-template-columns: 1fr; }
  .hero-art { order: -1; }
  .grid-3, .grid-2:not(.form-row) { grid-template-columns: 1fr; }
  .service-detail, .service-detail:nth-child(even) { grid-template-columns: 1fr; direction: ltr; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 600px) {
  .grid-4, .grid-5 { grid-template-columns: repeat(2, 1fr); }
  .form-row { grid-template-columns: 1fr; }
  .stat-row { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .topbar .container { justify-content: center; padding-block: 6px; }
  .topbar-info { gap: 16px; }
  .topbar-info > a:nth-child(2),
  .topbar-info > span,
  .topbar-social { display: none; }
}

@media (max-width: 560px) {
  .header-cta .btn-ghost { display: none; }
  .site-header .container { gap: 12px; }
}

/* Reusable colorful icon-badge tints — placed last to win over component .icon defaults */
.icon.icon-tint-blue { background: var(--color-primary-light); color: var(--color-accent); }
.icon.icon-tint-violet { background: rgba(124,92,255,0.12); color: var(--color-violet); }
.icon.icon-tint-green { background: rgba(22,163,74,0.12); color: var(--color-green); }
.icon.icon-tint-amber { background: rgba(224,145,43,0.14); color: var(--color-amber); }