/*
Theme Name: Dia Chi Doanh Nghiep Portal
Theme URI: https://diachidoanhnghiep.org/
Author: Dia Chi Doanh Nghiep
Author URI: https://diachidoanhnghiep.org/
Description: Theme WordPress một trang chủ tổng hợp hệ thống website con theo ngành nghề cho Địa Chỉ Doanh Nghiệp.
Version: 1.0.4
Requires at least: 6.0
Tested up to: 6.6
Requires PHP: 7.4
License: GPL v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: diachidoanhnghiep
*/

:root {
  --ddn-bg: #f7fbff;
  --ddn-surface: #ffffff;
  --ddn-ink: #10233f;
  --ddn-muted: #60718a;
  --ddn-blue: #075fb8;
  --ddn-blue-soft: #eaf5ff;
  --ddn-orange: #f07622;
  --ddn-orange-soft: #fff1e8;
  --ddn-border: rgba(7, 95, 184, 0.13);
  --ddn-shadow: 0 24px 70px rgba(16, 35, 63, 0.12);
  --ddn-radius: 28px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ddn-ink);
  background:
    radial-gradient(circle at 10% 0%, rgba(240, 118, 34, .14), transparent 30rem),
    radial-gradient(circle at 88% 8%, rgba(7, 95, 184, .16), transparent 32rem),
    linear-gradient(180deg, #ffffff 0%, #f4f9ff 48%, #fff7f1 100%);
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; }

.ddn-container {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
}

.ddn-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
  background: rgba(255, 255, 255, .84);
  border-bottom: 1px solid rgba(7,95,184,.10);
}
.ddn-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 76px;
}
.ddn-brand { display: flex; align-items: center; gap: 13px; font-weight: 900; letter-spacing: -.02em; color: #0b376c; }
.ddn-logo {
  width: 52px; height: 52px; border-radius: 18px;
  display: block; object-fit: contain;
  background: #fff;
  padding: 4px;
  box-shadow: 0 12px 30px rgba(7,95,184,.14);
}
.ddn-menu { display: flex; align-items: center; gap: 18px; color: var(--ddn-muted); font-weight: 600; font-size: 14px; }
.ddn-menu a:hover { color: var(--ddn-blue); }
.ddn-button {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 20px;
  border-radius: 999px;
  border: 1px solid rgba(240,118,34,.22);
  background: linear-gradient(135deg, #f07622, #ff9b4d 52%, #0d74cf);
  color: #fff;
  font-weight: 800;
  box-shadow: 0 16px 38px rgba(240,118,34,.23);
}
.ddn-button:hover { transform: translateY(-1px); }
.ddn-button.ddn-light { background: #fff; color: var(--ddn-blue); border-color: rgba(7,95,184,.18); box-shadow: 0 14px 34px rgba(7,95,184,.08); }

.ddn-hero { padding: 82px 0 48px; }
.ddn-hero-grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: 44px; align-items: center; }
.ddn-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 13px;
  border: 1px solid rgba(7,95,184,.14);
  background: linear-gradient(135deg, var(--ddn-blue-soft), var(--ddn-orange-soft));
  border-radius: 999px;
  color: #0b5fa8;
  font-weight: 800;
  font-size: 13px;
}
.ddn-hero h1 { margin: 18px 0 18px; font-size: clamp(42px, 6vw, 72px); line-height: .98; letter-spacing: -.055em; }
.ddn-hero h1 span { color: var(--ddn-orange); }
.ddn-lead { max-width: 630px; margin: 0 0 28px; color: var(--ddn-muted); font-size: 19px; line-height: 1.75; }
.ddn-hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 30px; }
.ddn-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; max-width: 610px; }
.ddn-stat { padding: 18px; border-radius: 22px; background: rgba(255,255,255,.82); border: 1px solid var(--ddn-border); box-shadow: 0 14px 36px rgba(16,35,63,.07); }
.ddn-stat strong { display: block; font-size: 26px; color: var(--ddn-blue); }
.ddn-stat span { color: var(--ddn-muted); font-weight: 600; font-size: 13px; }

.ddn-showcase {
  position: relative;
  min-height: 500px;
  border-radius: 38px;
  padding: 24px;
  background: linear-gradient(145deg, rgba(255,255,255,.96), rgba(234,245,255,.92));
  border: 1px solid rgba(7,95,184,.13);
  box-shadow: var(--ddn-shadow);
  overflow: hidden;
}
.ddn-showcase:before {
  content: ""; position: absolute; inset: -40% -20% auto auto; width: 360px; height: 360px; border-radius: 50%;
  background: radial-gradient(circle, rgba(240,118,34,.20), transparent 67%);
}
.ddn-floating-card {
  position: relative;
  padding: 24px;
  border-radius: 30px;
  color: var(--ddn-ink);
  background: rgba(255,255,255,.88);
  border: 1px solid rgba(7,95,184,.12);
  backdrop-filter: blur(12px);
}
.ddn-mini-grid { position: relative; display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-top: 20px; }
.ddn-mini { padding: 18px; border-radius: 24px; background: rgba(255,255,255,.86); color: var(--ddn-ink); min-height: 112px; border: 1px solid rgba(7,95,184,.12); box-shadow: 0 12px 28px rgba(16,35,63,.06); }
.ddn-mini b { display:block; margin-top: 12px; }
.ddn-icon { width: 44px; height: 44px; border-radius: 16px; display: grid; place-items: center; font-size: 22px; background: var(--tone, rgba(215,180,106,.16));  border: 1px solid rgba(7,95,184,.10); }

.ddn-hero-logo {
  width: 128px;
  height: 128px;
  display: block;
  object-fit: contain;
  border-radius: 32px;
  margin-bottom: 18px;
  background: #fff;
  padding: 8px;
  box-shadow: 0 20px 52px rgba(7,95,184,.14);
}

.ddn-section { padding: 64px 0; }
.ddn-section-head { display: flex; justify-content: space-between; align-items: end; gap: 28px; margin-bottom: 28px; }
.ddn-section h2 { margin: 0; font-size: clamp(30px, 4vw, 48px); line-height: 1.05; letter-spacing: -.04em; }
.ddn-section p { color: var(--ddn-muted); line-height: 1.7; }

.ddn-directory-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.ddn-card {
  position: relative; overflow: hidden;
  min-height: 245px;
  padding: 24px;
  border-radius: var(--ddn-radius);
  background: var(--card-bg, linear-gradient(145deg, #ffffff, #f2f8ff));
  border: 1px solid rgba(7,95,184,.12);
  box-shadow: 0 20px 52px rgba(16,35,63,.10);
  transition: transform .22s ease, box-shadow .22s ease;
}
.ddn-card:hover { transform: translateY(-7px); box-shadow: 0 30px 76px rgba(16,35,63,.16), 0 0 0 1px rgba(240,118,34,.18); }
.ddn-card:after {
  content:""; position:absolute; right:-44px; bottom:-44px; width:150px; height:150px; border-radius:50%;
  background: rgba(240,118,34,.10);
}
.ddn-card .ddn-icon { background: rgba(255,255,255,.72); }
.ddn-card h3 { margin: 18px 0 10px; font-size: 22px; letter-spacing: -.02em; }
.ddn-card p { margin: 0 0 22px; color: rgba(16,35,63,.72); }
.ddn-card-link { position: absolute; left: 24px; bottom: 22px; font-weight: 900; color: var(--ddn-blue); }

.ddn-feature-band {
  display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 18px;
  padding: 26px;
  border-radius: 34px;
  background: rgba(255,255,255,.86);
  border: 1px solid var(--ddn-border);
  box-shadow: var(--ddn-shadow);
}
.ddn-feature { padding: 18px; }
.ddn-feature b { font-size: 18px; }

.ddn-seo-panel {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 28px;
  padding: 34px;
  border-radius: 34px;
  background: rgba(255,255,255,.88);
  border: 1px solid var(--ddn-border);
  box-shadow: 0 22px 58px rgba(16,35,63,.09);
}
.ddn-seo-panel h2 { margin-top: 18px; }
.ddn-seo-list { display: grid; gap: 14px; }
.ddn-seo-list div,
.ddn-faq-grid article {
  padding: 20px;
  border-radius: 24px;
  background: linear-gradient(145deg,#ffffff,#f2f8ff);
  border: 1px solid rgba(7,95,184,.12);
  box-shadow: 0 14px 36px rgba(16,35,63,.06);
}
.ddn-seo-list strong { display: block; margin-bottom: 8px; color: var(--ddn-blue); font-size: 17px; }
.ddn-seo-list span { display: block; color: var(--ddn-muted); line-height: 1.6; }
.ddn-faq-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.ddn-faq-grid h3 { margin: 0 0 10px; font-size: 20px; letter-spacing: -.02em; }
.ddn-faq-grid p { margin: 0; }

.ddn-contact {
  border-radius: 38px;
  padding: 44px;
  color: #fff;
  background: linear-gradient(135deg, #075fb8, #0e7bd5 52%, #f07622);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  box-shadow: var(--ddn-shadow);
}
.ddn-contact h2 { margin: 0 0 12px; font-size: clamp(30px, 4vw, 46px); letter-spacing: -.04em; }
.ddn-contact p { color: rgba(255,255,255,.88); margin: 0; }

.ddn-footer { padding: 34px 0; color: var(--ddn-muted); }
.ddn-footer-inner { display: flex; justify-content: space-between; gap: 18px; border-top: 1px solid var(--ddn-border); padding-top: 24px; }

@media (max-width: 980px) {
  .ddn-menu { display: none; }
  .ddn-hero-grid { grid-template-columns: 1fr; }
  .ddn-directory-grid { grid-template-columns: repeat(2, 1fr); }
  .ddn-feature-band, .ddn-contact { grid-template-columns: 1fr; flex-direction: column; align-items: flex-start; }
  .ddn-seo-panel, .ddn-faq-grid { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
  .ddn-container { width: min(100% - 28px, 1160px); }
  .ddn-header { background: rgba(255,255,255,.94); }
  .ddn-nav { min-height: 66px; gap: 10px; }
  .ddn-brand { gap: 9px; min-width: 0; }
  .ddn-brand span { font-size: 14px; line-height: 1.1; max-width: 116px; }
  .ddn-logo { width: 42px; height: 42px; border-radius: 14px; padding: 3px; box-shadow: 0 8px 22px rgba(7,95,184,.13); }
  .ddn-button { padding: 11px 15px; font-size: 14px; white-space: nowrap; }
  .ddn-hero { padding-top: 52px; }
  .ddn-hero h1 { font-size: clamp(35px, 11vw, 48px); line-height: 1.02; letter-spacing: -.048em; }
  .ddn-lead { font-size: 16.5px; line-height: 1.68; }
  .ddn-stats, .ddn-mini-grid, .ddn-directory-grid { grid-template-columns: 1fr; }
  .ddn-showcase { min-height: auto; }
  .ddn-hero-logo { width: 104px; height: 104px; border-radius: 26px; }
  .ddn-floating-card { padding: 20px; border-radius: 26px; }
  .ddn-floating-card h2 { font-size: 28px !important; }
  .ddn-card { min-height: 225px; padding: 22px; }
  .ddn-seo-panel { padding: 24px; border-radius: 28px; }
  .ddn-card-link { left: 22px; }
  .ddn-section-head, .ddn-footer-inner { flex-direction: column; align-items: flex-start; }
  .ddn-contact { padding: 30px; }
}

@media (max-width: 390px) {
  .ddn-container { width: min(100% - 22px, 1160px); }
  .ddn-brand span { display: none; }
  .ddn-nav { min-height: 62px; }
  .ddn-logo { width: 40px; height: 40px; }
  .ddn-button { padding: 10px 13px; font-size: 13px; }
  .ddn-hero { padding-top: 42px; }
  .ddn-hero-actions .ddn-button { flex: 1 1 100%; }
  .ddn-hero-actions .ddn-button.ddn-light { background: rgba(255,255,255,.92); }
  .ddn-stat { padding: 16px; }
  .ddn-section { padding: 52px 0; }
  .ddn-contact { padding: 26px 22px; border-radius: 30px; }
}