@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
  --primary: #00417C;
  --primary-dark: #002d58;
  --primary-light: #1a5fa0;
  --accent: #f5a623;
  --accent-dark: #e0951a;
  --text: #1a1a2e;
  --text-light: #555770;
  --bg: #f4f7fb;
  --white: #ffffff;
  --border: #dce4f0;
  --success: #28a745;
  --shadow: 0 4px 24px rgba(0,65,124,0.10);
  --shadow-hover: 0 8px 32px rgba(0,65,124,0.18);
  --radius: 14px;
  --radius-sm: 8px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
}

a { color: var(--primary); text-decoration: none; transition: color .2s; }
a:hover { color: var(--primary-light); }

img { max-width: 100%; height: auto; }

/* ────────────────────────────────── HEADER ── */
.site-header {
  background: var(--primary);
  position: sticky; top: 0; z-index: 1000;
  box-shadow: 0 2px 16px rgba(0,0,0,.18);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.logo {
  display: flex; align-items: center; gap: 10px;
  color: var(--white); font-size: 1.35rem; font-weight: 800;
  letter-spacing: -.5px;
}
.logo span { color: var(--accent); }
.logo-icon {
  width: 42px; height: 42px; background: var(--accent);
  border-radius: 10px; display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; font-weight: 900; color: var(--primary);
}

/* ── NAV ── */
.nav-menu { display: flex; align-items: center; list-style: none; gap: 4px; }
.nav-menu > li { position: relative; }
.nav-menu > li > a {
  color: rgba(255,255,255,.9); font-weight: 500; font-size: .95rem;
  padding: 8px 14px; border-radius: 8px;
  display: flex; align-items: center; gap: 5px;
  transition: background .2s, color .2s;
}
.nav-menu > li > a:hover, .nav-menu > li > a.active {
  background: rgba(255,255,255,.15); color: var(--white);
}
.nav-menu > li > a .arrow { font-size: .65rem; transition: transform .2s; }
.nav-menu > li:hover > a .arrow { transform: rotate(180deg); }

.dropdown {
  position: absolute; top: calc(100% + 8px); left: 0;
  background: var(--white); border-radius: var(--radius-sm);
  box-shadow: var(--shadow-hover); width: 230px;
  opacity: 0; visibility: hidden; transform: translateY(-8px);
  transition: all .25s ease; list-style: none; overflow: hidden;
}
.nav-menu > li:hover .dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown li a {
  display: block; padding: 11px 18px; color: var(--text);
  font-size: .92rem; font-weight: 500; border-bottom: 1px solid var(--border);
  transition: background .15s, color .15s;
}
.dropdown li:last-child a { border-bottom: none; }
.dropdown li a:hover { background: var(--bg); color: var(--primary); }

.hamburger {
  display: none; flex-direction: column; gap: 5px; cursor: pointer;
  background: none; border: none; padding: 4px;
}
.hamburger span { display: block; width: 24px; height: 2px; background: var(--white); border-radius: 2px; transition: .3s; }

/* ────────────────────────────────── HERO ── */
.hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 60%, #2a7dc4 100%);
  color: var(--white); padding: 80px 24px 90px; text-align: center; position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.hero-inner { max-width: 760px; margin: 0 auto; position: relative; }
.hero h1 { font-size: clamp(2rem,5vw,3.2rem); font-weight: 800; line-height: 1.2; margin-bottom: 18px; }
.hero h1 span { color: var(--accent); }
.hero p { font-size: 1.1rem; opacity: .9; max-width: 580px; margin: 0 auto 32px; }
.hero-btns { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 28px; border-radius: 50px; font-weight: 600; font-size: .95rem;
  transition: all .25s; cursor: pointer; border: none;
}
.btn-primary { background: var(--accent); color: var(--primary); }
.btn-primary:hover { background: var(--accent-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(245,166,35,.35); color: var(--primary); }
.btn-outline { background: transparent; color: var(--white); border: 2px solid rgba(255,255,255,.6); }
.btn-outline:hover { background: rgba(255,255,255,.12); transform: translateY(-2px); color: var(--white); }

/* ────────────────────────────────── SECTIONS ── */
.section { padding: 70px 24px; }
.section-inner { max-width: 1200px; margin: 0 auto; }
.section-header { text-align: center; margin-bottom: 50px; }
.section-header h2 { font-size: clamp(1.6rem,3.5vw,2.4rem); font-weight: 800; color: var(--primary); margin-bottom: 10px; }
.section-header p { color: var(--text-light); font-size: 1rem; max-width: 540px; margin: 0 auto; }
.badge {
  display: inline-block; background: #e8f0fb; color: var(--primary);
  padding: 4px 14px; border-radius: 50px; font-size: .8rem; font-weight: 600;
  letter-spacing: .5px; text-transform: uppercase; margin-bottom: 10px;
}

/* ────────────────────────────────── CARDS ── */
.grid { display: grid; gap: 28px; }
.grid-3 { grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); }
.grid-2 { grid-template-columns: repeat(auto-fill, minmax(480px, 1fr)); }

.card {
  background: var(--white); border-radius: var(--radius);
  box-shadow: var(--shadow); overflow: hidden;
  transition: transform .25s, box-shadow .25s;
  border: 1px solid var(--border);
}
.card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); }

.calc-card { display: flex; flex-direction: column; }
.calc-card-icon {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  padding: 28px 28px 24px; position: relative; overflow: hidden;
}
.calc-card-icon::after {
  content: ''; position: absolute; right: -20px; top: -20px;
  width: 100px; height: 100px; border-radius: 50%; background: rgba(255,255,255,.08);
}
.calc-card-icon .icon-emoji { font-size: 2.5rem; }
.calc-card-body { padding: 24px 28px; flex: 1; display: flex; flex-direction: column; }
.calc-card-body h3 { font-size: 1.15rem; font-weight: 700; color: var(--primary); margin-bottom: 6px; }
.calc-card-body .plan-no { font-size: .78rem; color: var(--accent-dark); font-weight: 600; letter-spacing: .5px; text-transform: uppercase; margin-bottom: 10px; }
.calc-card-body p { color: var(--text-light); font-size: .92rem; flex: 1; margin-bottom: 20px; }
.calc-card-body a.btn-calc {
  display: inline-flex; align-items: center; gap: 6px; background: var(--primary);
  color: var(--white); padding: 10px 20px; border-radius: 50px; font-size: .88rem;
  font-weight: 600; align-self: flex-start; transition: background .2s, transform .2s;
}
.calc-card-body a.btn-calc:hover { background: var(--primary-dark); transform: translateX(4px); }

/* ────────────────────────────────── CALCULATOR FORM ── */
.calc-page { max-width: 900px; margin: 0 auto; padding: 50px 24px; }
.calc-header { margin-bottom: 36px; }
.calc-header h1 { font-size: clamp(1.6rem,4vw,2.4rem); font-weight: 800; color: var(--primary); }
.calc-header p { color: var(--text-light); margin-top: 8px; }
.breadcrumb { font-size: .85rem; color: var(--text-light); margin-bottom: 12px; }
.breadcrumb a { color: var(--primary); }
.breadcrumb span { margin: 0 6px; }

.calc-form-card {
  background: var(--white); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 36px; border: 1px solid var(--border);
}
.form-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 7px; }
.form-group label { font-size: .88rem; font-weight: 600; color: var(--text); }
.form-group input, .form-group select {
  border: 2px solid var(--border); border-radius: var(--radius-sm);
  padding: 11px 14px; font-size: .95rem; font-family: inherit; color: var(--text);
  transition: border .2s, box-shadow .2s; background: var(--bg);
  outline: none;
}
.form-group input:focus, .form-group select:focus {
  border-color: var(--primary); background: var(--white);
  box-shadow: 0 0 0 4px rgba(0,65,124,.08);
}
.form-note { font-size: .8rem; color: var(--text-light); margin-top: 3px; }
.btn-calculate {
  margin-top: 26px; width: 100%; padding: 14px; background: var(--primary);
  color: var(--white); border: none; border-radius: var(--radius-sm); font-size: 1rem;
  font-weight: 700; cursor: pointer; transition: background .2s, transform .2s;
}
.btn-calculate:hover { background: var(--primary-dark); transform: translateY(-2px); }

/* ── RESULTS ── */
.calc-results {
  margin-top: 32px; background: var(--white); border-radius: var(--radius);
  box-shadow: var(--shadow); border: 1px solid var(--border); overflow: hidden;
}
.results-header {
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
  padding: 20px 28px; color: var(--white);
}
.results-header h3 { font-size: 1.1rem; font-weight: 700; }
.results-header p { font-size: .88rem; opacity: .85; margin-top: 4px; }
.results-table { width: 100%; border-collapse: collapse; }
.results-table th {
  background: var(--bg); padding: 13px 20px; font-size: .85rem;
  font-weight: 700; color: var(--primary); text-align: left; border-bottom: 2px solid var(--border);
}
.results-table td { padding: 13px 20px; border-bottom: 1px solid var(--border); font-size: .95rem; }
.results-table tr:last-child td { border-bottom: none; }
.results-table tr:hover td { background: #f8fbff; }
.results-table .amount { font-weight: 700; color: var(--primary); font-size: 1.02rem; }
.results-table .highlight { background: #eef5ff !important; }
.results-table .highlight td { font-weight: 700; color: var(--primary); }
.results-summary {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(200px,1fr));
  gap: 20px; padding: 24px 28px; background: var(--bg);
}
.summary-item { text-align: center; }
.summary-item .label { font-size: .8rem; color: var(--text-light); font-weight: 600; text-transform: uppercase; }
.summary-item .value { font-size: 1.35rem; font-weight: 800; color: var(--primary); margin-top: 4px; }

/* ────────────────────────────────── ARTICLE ── */
.article-section { max-width: 900px; margin: 0 auto; padding: 0 24px 60px; }
.article-section h2 { font-size: 1.5rem; font-weight: 700; color: var(--primary); margin: 30px 0 14px; }
.article-section h3 { font-size: 1.15rem; font-weight: 700; color: var(--text); margin: 22px 0 10px; }
.article-section p { margin-bottom: 14px; color: var(--text-light); }
.article-section ul, .article-section ol { padding-left: 22px; margin-bottom: 16px; color: var(--text-light); }
.article-section li { margin-bottom: 6px; }
.article-section table { width: 100%; border-collapse: collapse; margin: 18px 0; border-radius: var(--radius-sm); overflow: hidden; box-shadow: var(--shadow); }
.article-section table th { background: var(--primary); color: var(--white); padding: 11px 16px; font-size: .88rem; text-align: left; }
.article-section table td { padding: 10px 16px; border-bottom: 1px solid var(--border); font-size: .92rem; }
.article-section table tr:nth-child(even) td { background: var(--bg); }

/* ────────────────────────────────── BLOG POSTS ── */
.post-card { border-radius: var(--radius); overflow: hidden; }
.post-card-img {
  height: 190px; background: linear-gradient(135deg, var(--primary), var(--primary-light));
  display: flex; align-items: center; justify-content: center; font-size: 3.5rem;
}
.post-card-body { padding: 22px 24px; }
.post-meta { display: flex; gap: 14px; font-size: .8rem; color: var(--text-light); margin-bottom: 10px; }
.post-meta span { display: flex; align-items: center; gap: 4px; }
.post-card-body h3 { font-size: 1.08rem; font-weight: 700; color: var(--primary); margin-bottom: 8px; line-height: 1.4; }
.post-card-body p { color: var(--text-light); font-size: .9rem; margin-bottom: 16px; }
.read-more { color: var(--primary); font-weight: 600; font-size: .88rem; display: flex; align-items: center; gap: 4px; }
.read-more:hover { gap: 8px; }

.blog-full { max-width: 860px; margin: 0 auto; padding: 50px 24px 70px; }
.blog-full h1 { font-size: clamp(1.6rem,4vw,2.4rem); font-weight: 800; color: var(--primary); margin-bottom: 16px; }
.blog-full .post-meta-full { display: flex; flex-wrap: wrap; gap: 14px; color: var(--text-light); font-size: .88rem; margin-bottom: 30px; padding-bottom: 20px; border-bottom: 2px solid var(--border); }
.blog-full h2 { font-size: 1.4rem; font-weight: 700; color: var(--primary); margin: 32px 0 12px; }
.blog-full h3 { font-size: 1.15rem; font-weight: 700; color: var(--text); margin: 22px 0 10px; }
.blog-full p { margin-bottom: 16px; color: var(--text-light); line-height: 1.8; }
.blog-full ul, .blog-full ol { padding-left: 24px; margin-bottom: 18px; color: var(--text-light); }
.blog-full li { margin-bottom: 8px; }
.info-box {
  background: linear-gradient(135deg, #e8f0fb, #d4e5f7); border-left: 4px solid var(--primary);
  padding: 18px 22px; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; margin: 24px 0;
}
.info-box p { margin: 0; color: var(--text); font-weight: 500; }

/* ────────────────────────────────── STATIC PAGES ── */
.static-page { max-width: 860px; margin: 0 auto; padding: 50px 24px 70px; }
.static-page h1 { font-size: clamp(1.6rem,4vw,2.4rem); font-weight: 800; color: var(--primary); margin-bottom: 28px; padding-bottom: 16px; border-bottom: 3px solid var(--primary); }
.static-page h2 { font-size: 1.3rem; font-weight: 700; color: var(--primary); margin: 28px 0 12px; }
.static-page p { color: var(--text-light); margin-bottom: 14px; line-height: 1.8; }
.static-page ul, .static-page ol { padding-left: 22px; color: var(--text-light); margin-bottom: 16px; }
.static-page li { margin-bottom: 7px; }

.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.contact-info-item { display: flex; gap: 14px; align-items: flex-start; margin-bottom: 24px; }
.contact-info-item .icon { font-size: 1.5rem; }
.contact-info-item h4 { font-weight: 700; color: var(--primary); margin-bottom: 4px; }
.contact-info-item p { color: var(--text-light); margin: 0; font-size: .92rem; }
.contact-form { background: var(--white); padding: 32px; border-radius: var(--radius); box-shadow: var(--shadow); border: 1px solid var(--border); }
.contact-form h3 { color: var(--primary); font-size: 1.15rem; font-weight: 700; margin-bottom: 20px; }
.contact-form textarea { width: 100%; border: 2px solid var(--border); border-radius: var(--radius-sm); padding: 11px 14px; font-family: inherit; font-size: .95rem; resize: vertical; min-height: 120px; transition: border .2s; outline: none; background: var(--bg); }
.contact-form textarea:focus { border-color: var(--primary); background: var(--white); }

/* ────────────────────────────────── FEATURES ── */
.features-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px,1fr)); gap: 24px; }
.feature-item {
  background: var(--white); border-radius: var(--radius); padding: 28px 24px;
  box-shadow: var(--shadow); border: 1px solid var(--border); text-align: center;
  transition: transform .25s;
}
.feature-item:hover { transform: translateY(-4px); }
.feature-item .fi { font-size: 2.4rem; margin-bottom: 14px; }
.feature-item h3 { color: var(--primary); font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.feature-item p { color: var(--text-light); font-size: .88rem; }

/* ────────────────────────────────── FOOTER ── */
.site-footer { background: #0a1628; color: rgba(255,255,255,.75); padding: 60px 24px 28px; }
.footer-inner { max-width: 1200px; margin: 0 auto; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 48px; }
.footer-brand .logo { color: var(--white); margin-bottom: 14px; }
.footer-brand p { font-size: .88rem; line-height: 1.7; }
.footer-col h4 { color: var(--white); font-size: .95rem; font-weight: 700; margin-bottom: 16px; letter-spacing: .3px; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 9px; }
.footer-col ul li a { color: rgba(255,255,255,.65); font-size: .88rem; transition: color .2s; }
.footer-col ul li a:hover { color: var(--accent); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding-top: 24px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; font-size: .83rem; }
.footer-bottom p { color: rgba(255,255,255,.5); }
.footer-links { display: flex; gap: 18px; }
.footer-links a { color: rgba(255,255,255,.5); }
.footer-links a:hover { color: var(--accent); }

/* ────────────────────────────────── MISC ── */
.section-bg-white { background: var(--white); }
.text-center { text-align: center; }
.mt-4 { margin-top: 16px; }
.alert {
  padding: 14px 18px; border-radius: var(--radius-sm); margin-bottom: 20px; font-size: .92rem;
  display: flex; align-items: flex-start; gap: 10px;
}
.alert-warning { background: #fff8e1; border-left: 4px solid #f5a623; color: #7a5a0a; }
.alert-info { background: #e8f0fb; border-left: 4px solid var(--primary); color: var(--primary); }

/* ────────────────────────────────── RESPONSIVE ── */
@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .nav-menu { display: none; flex-direction: column; position: absolute; top: 68px; left: 0; right: 0; background: var(--primary); padding: 12px 0 20px; z-index: 999; }
  .nav-menu.open { display: flex; }
  .nav-menu > li > a { border-radius: 0; padding: 12px 24px; }
  .dropdown { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; background: rgba(0,0,0,.2); width: 100%; border-radius: 0; }
  .dropdown li a { color: rgba(255,255,255,.8); border-bottom-color: rgba(255,255,255,.1); }
  .dropdown li a:hover { background: rgba(255,255,255,.1); }
  .hamburger { display: flex; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .form-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .hero { padding: 50px 20px 60px; }
  .section { padding: 50px 16px; }
  .calc-form-card { padding: 22px 18px; }
  .results-summary { grid-template-columns: 1fr 1fr; }
}