/* ============================================================
   Escle — design system
   ============================================================ */

:root {
  --ink: #1c1c1c;
  --ink-soft: #2c2c2e;
  --blue: #2f5eff;
  --blue-dark: #1a3fcc;
  --blue-light: #eaf0ff;
  --white: #ffffff;
  --off-white: #f4f6fb;
  --gray-border: #e2e5ea;
  --gray-text: #6b7280;

  --container: 1280px;
  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --radius-pill: 100px;

  --font-sans: "Inter", -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--blue); text-decoration: none; }
a:hover { color: var(--blue-dark); }

ul, ol { list-style: none; }

button { font-family: inherit; cursor: pointer; }

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--ink);
}

h1 { font-size: clamp(2.4rem, 5vw, 4rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.9rem, 3.6vw, 3rem); letter-spacing: -0.02em; }
h3 { font-size: clamp(1.25rem, 2.2vw, 1.6rem); }
h4 { font-size: 1.1rem; }

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

.lead {
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  color: var(--gray-text);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 14px;
}

.eyebrow::before {
  content: "";
  display: inline-block;
  width: 18px;
  height: 2px;
  background: var(--blue);
}

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

/* ---------- Layout ---------- */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 64px 0; }
.section-lg { padding: 96px 0; }
.section-sm { padding: 40px 0; }

.section-dark {
  background: var(--ink);
  color: var(--white);
}
.section-dark h1, .section-dark h2, .section-dark h3, .section-dark h4, .section-dark p {
  color: var(--white);
}
.section-dark .text-muted { color: #b6b9c2; }

.section-light { background: var(--off-white); }
.section-blue { background: var(--blue); color: var(--white); }
.section-blue h1, .section-blue h2, .section-blue h3, .section-blue p { color: var(--white); }

.section-head {
  max-width: 720px;
  margin: 0 auto 48px;
  text-align: center;
}
.section-head.align-left { margin: 0 0 48px; text-align: left; }

@media (min-width: 768px) {
  .section { padding: 88px 0; }
  .section-lg { padding: 128px 0; }
}

/* ---------- Grid helpers ---------- */
.grid { display: grid; gap: 24px; }

.grid-2 { grid-template-columns: repeat(1, 1fr); }
.grid-3 { grid-template-columns: repeat(1, 1fr); }
.grid-4 { grid-template-columns: repeat(1, 1fr); }

@media (min-width: 640px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 768px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

.cols-center { align-items: center; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 28px;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 0.95rem;
  border: 2px solid transparent;
  transition: transform 0.15s ease, background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }

.btn-primary { background: var(--blue); color: var(--white); }
.btn-primary:hover { background: var(--blue-dark); color: var(--white); }

.btn-dark { background: var(--ink); color: var(--white); }
.btn-dark:hover { background: var(--ink-soft); color: var(--white); }

.btn-light { background: var(--white); color: var(--ink); }
.btn-light:hover { background: var(--off-white); color: var(--ink); }

.btn-outline { background: transparent; border-color: currentColor; color: inherit; }
.btn-outline:hover { background: rgba(255,255,255,0.08); }

.btn-block { width: 100%; }

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}

/* ---------- 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(--gray-border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 84px;
}

.site-logo { display: flex; align-items: center; gap: 10px; }
.site-logo img { height: 28px; width: auto; }

.main-nav {
  display: none;
  align-items: center;
  gap: 30px;
}

.main-nav a {
  color: var(--ink);
  font-weight: 600;
  font-size: 0.95rem;
}
.main-nav a:hover, .main-nav a.active { color: var(--blue); }

.header-actions {
  display: flex;
  align-items: center;
  gap: 18px;
}

.header-phone {
  display: none;
  font-weight: 700;
  color: var(--ink);
  font-size: 0.95rem;
}
.header-phone:hover { color: var(--blue); }

.lang-switch {
  display: inline-flex;
  align-items: center;
  font-weight: 700;
  font-size: 0.8rem;
  color: var(--ink);
  border: 1px solid var(--gray-border);
  border-radius: var(--radius-pill);
  padding: 6px 12px;
}
.lang-switch:hover { color: var(--blue); border-color: var(--blue); }

.header-cta { display: none; }

.nav-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--gray-border);
  background: var(--white);
}
.nav-toggle svg { width: 18px; height: 18px; }

.mobile-nav {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 12px 24px 24px;
  border-top: 1px solid var(--gray-border);
  background: var(--white);
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  padding: 12px 0;
  font-weight: 600;
  color: var(--ink);
  border-bottom: 1px solid var(--gray-border);
}
.mobile-nav a:last-of-type { border-bottom: none; }
.mobile-nav .btn { margin-top: 12px; }

@media (min-width: 1024px) {
  .main-nav { display: flex; }
  .header-phone { display: block; }
  .header-cta { display: inline-flex; }
  .nav-toggle { display: none; }
  .mobile-nav { display: none !important; }
}

/* ---------- Hero ---------- */
.hero {
  padding: 56px 0 64px;
}
.hero-grid {
  display: grid;
  gap: 48px;
  align-items: center;
}
.hero h1 { margin-bottom: 20px; }
.hero .lead { margin-bottom: 32px; max-width: 540px; }
.hero-accent { color: var(--blue); }

.hero-art {
  position: relative;
  border-radius: var(--radius-lg);
  background: var(--blue);
  min-height: 320px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-art svg { width: 70%; height: auto; }

.hero-trust {
  margin-top: 36px;
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
}
.hero-trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 0.9rem;
}
.hero-trust-item .num { font-size: 1.4rem; color: var(--blue); font-weight: 800; }

@media (min-width: 900px) {
  .hero-grid.with-art { grid-template-columns: 1.1fr 0.9fr; }
}

/* Page header (non-home) */
.page-hero {
  padding: 48px 0 56px;
  background: var(--off-white);
}
.page-hero .eyebrow { margin-bottom: 16px; }
.page-hero h1 { margin-bottom: 18px; }
.page-hero .lead { max-width: 680px; }
.breadcrumbs {
  font-size: 0.85rem;
  color: var(--gray-text);
  margin-bottom: 18px;
}
.breadcrumbs a { color: var(--gray-text); }
.breadcrumbs a:hover { color: var(--blue); }

/* ---------- Stats bar ---------- */
.stats-bar {
  background: var(--ink);
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px 24px;
  display: grid;
  gap: 32px;
  text-align: center;
}
@media (min-width: 768px) {
  .stats-bar { grid-template-columns: repeat(4, 1fr); padding: 48px 40px; }
}
.stat-num {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  color: var(--blue);
  margin-bottom: 6px;
}
.stat-label { font-size: 0.9rem; color: #c8cbd4; }

/* ---------- Cards ---------- */
.card {
  background: var(--white);
  border: 1px solid var(--gray-border);
  border-radius: var(--radius-md);
  padding: 32px;
}

.icon-badge {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  background: var(--blue-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.icon-badge svg { width: 28px; height: 28px; }
.icon-badge.on-dark { background: rgba(255,255,255,0.08); }

/* Service cards */
.service-card { display: flex; flex-direction: column; height: 100%; }
.service-card h3 { margin-bottom: 10px; }
.service-card p { color: var(--gray-text); font-size: 0.95rem; }
.service-card .service-num {
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--blue);
  letter-spacing: 0.1em;
  margin-bottom: 14px;
}

/* Feature row (alternating image/text) */
.feature-row {
  display: grid;
  gap: 40px;
  align-items: center;
  padding: 48px 0;
  border-bottom: 1px solid var(--gray-border);
}
.feature-row:last-child { border-bottom: none; }
.feature-row .feature-num {
  font-size: 4rem;
  font-weight: 800;
  color: var(--blue-light);
  line-height: 1;
  margin-bottom: 12px;
}
.feature-row h3 { font-size: clamp(1.4rem, 2.4vw, 1.9rem); margin-bottom: 14px; }
.feature-row ul { margin-top: 16px; display: flex; flex-direction: column; gap: 10px; }
.feature-row li {
  display: flex;
  gap: 10px;
  font-size: 0.95rem;
  color: var(--ink);
}
.feature-row li svg { flex-shrink: 0; margin-top: 3px; color: var(--blue); width: 16px; height: 16px; }

.feature-visual {
  border-radius: var(--radius-lg);
  background: var(--off-white);
  padding: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 260px;
}
.feature-visual svg { width: 80%; height: auto; }

@media (min-width: 900px) {
  .feature-row { grid-template-columns: 1fr 1fr; }
  .feature-row.reverse .feature-visual { order: 2; }
}

/* Story cards (was/became -> challenge/how we helped) */
.story-card {
  background: var(--off-white);
  border-radius: var(--radius-lg);
  padding: 36px;
  position: relative;
  overflow: hidden;
}
.story-card .story-num {
  position: absolute;
  top: -10px;
  right: 16px;
  font-size: 6rem;
  font-weight: 800;
  color: rgba(47,94,255,0.08);
  line-height: 1;
}
.story-card h3 { margin-bottom: 18px; max-width: 80%; position: relative; }
.story-grid {
  display: grid;
  gap: 24px;
  position: relative;
}
@media (min-width: 768px) {
  .story-grid { grid-template-columns: 1fr 1fr; }
}
.story-col .story-label {
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 8px;
  display: block;
}
.story-col p { font-size: 0.95rem; color: var(--ink); }

/* Country cards */
.country-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: var(--white);
  border: 1px solid var(--gray-border);
  border-radius: var(--radius-md);
  padding: 28px;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.country-card:hover { border-color: var(--blue); transform: translateY(-3px); }
.country-flag { font-size: 2.4rem; line-height: 1; }
.country-card h3 { font-size: 1.15rem; }
.country-card .country-link {
  margin-top: auto;
  font-weight: 700;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* University cards */
.uni-card {
  background: var(--white);
  border: 1px solid var(--gray-border);
  border-radius: var(--radius-md);
  padding: 28px;
}
.uni-card .uni-abbr {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 64px;
  height: 40px;
  padding: 0 14px;
  border-radius: var(--radius-pill);
  background: var(--ink);
  color: var(--white);
  font-weight: 800;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  margin-bottom: 16px;
}
.uni-card h3 { margin-bottom: 8px; }
.uni-card p { color: var(--gray-text); font-size: 0.92rem; }
.uni-card .uni-city {
  margin-top: 12px;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--blue);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ---------- CTA banner ---------- */
.cta-banner {
  background: var(--ink);
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: 56px 32px;
  text-align: center;
}
.cta-banner h1, .cta-banner h2, .cta-banner h3, .cta-banner h4 { color: var(--white); }
.cta-banner h2 { margin-bottom: 16px; }
.cta-banner p { color: #c8cbd4; max-width: 560px; margin: 0 auto 32px; }
.cta-banner .btn-row { justify-content: center; }

@media (min-width: 900px) {
  .cta-banner { padding: 72px 64px; }
}

/* ---------- FAQ / accordion ---------- */
.faq-item {
  border: 1px solid var(--gray-border);
  border-radius: var(--radius-md);
  padding: 22px 24px;
  margin-bottom: 14px;
}
.faq-item summary {
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  font-size: 1.4rem;
  color: var(--blue);
  flex-shrink: 0;
  transition: transform 0.2s ease;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { margin-top: 14px; color: var(--gray-text); font-size: 0.95rem; }

/* "Is Escle right for you" numbered cards */
.fit-card {
  background: var(--white);
  border: 1px solid var(--gray-border);
  border-radius: var(--radius-md);
  padding: 28px;
  display: flex;
  gap: 18px;
}
.fit-card .fit-num {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--blue);
  flex-shrink: 0;
}
.fit-card h4 { margin-bottom: 8px; }
.fit-card p { font-size: 0.92rem; color: var(--gray-text); }

/* ---------- Forms ---------- */
.form-grid {
  display: grid;
  gap: 18px;
}
@media (min-width: 640px) {
  .form-grid.two-col { grid-template-columns: 1fr 1fr; }
}
.form-field { display: flex; flex-direction: column; gap: 8px; }
.form-field label { font-weight: 700; font-size: 0.9rem; }
.form-field input,
.form-field select,
.form-field textarea {
  font-family: inherit;
  font-size: 1rem;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--gray-border);
  background: var(--white);
  color: var(--ink);
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: 2px solid var(--blue);
  outline-offset: 1px;
}
.form-field textarea { resize: vertical; min-height: 120px; }
.form-note { font-size: 0.82rem; color: var(--gray-text); }

/* ---------- Contact strip ---------- */
.contact-strip {
  display: grid;
  gap: 18px;
}
@media (min-width: 768px) {
  .contact-strip { grid-template-columns: repeat(4, 1fr); }
}
.contact-strip .contact-item {
  background: var(--ink-soft);
  border-radius: var(--radius-md);
  padding: 24px;
}
.contact-strip .contact-item .icon-badge { margin-bottom: 14px; }
.contact-strip .contact-item h4 { color: var(--white); margin-bottom: 6px; }
.contact-strip .contact-item a, .contact-strip .contact-item p { color: #c8cbd4; font-size: 0.92rem; }
.contact-strip .contact-item a:hover { color: var(--white); }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--ink);
  color: #c8cbd4;
  padding: 64px 0 32px;
}
.footer-top {
  display: grid;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
@media (min-width: 768px) {
  .footer-top { grid-template-columns: 1.4fr 1fr 1fr 1fr; }
}
.footer-brand img { height: 26px; margin-bottom: 16px; }
.footer-brand p { color: #9296a3; font-size: 0.92rem; max-width: 320px; }
.footer-social { display: flex; gap: 12px; margin-top: 20px; }
.footer-social a {
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.15);
  display: flex; align-items: center; justify-content: center;
  color: var(--white);
}
.footer-social a:hover { background: var(--blue); border-color: var(--blue); }
.footer-social svg { width: 18px; height: 18px; }

.footer-col h4 { color: var(--white); font-size: 0.85rem; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 18px; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a, .footer-col p { color: #9296a3; font-size: 0.92rem; }
.footer-col a:hover { color: var(--white); }

.footer-bottom {
  padding-top: 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  font-size: 0.85rem;
  color: #80838f;
}
@media (min-width: 768px) {
  .footer-bottom { flex-direction: row; justify-content: space-between; align-items: center; }
}
.footer-bottom a { color: #9296a3; }
.footer-bottom a:hover { color: var(--white); }
.footer-bottom-links { display: flex; gap: 20px; flex-wrap: wrap; }

/* ---------- Blog ---------- */
.blog-card {
  border: 1px solid var(--gray-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100%;
}
.blog-card-cover {
  height: 160px;
  background: var(--blue-light);
  display: flex;
  align-items: center;
  justify-content: center;
}
.blog-card-cover svg { width: 56px; height: 56px; color: var(--blue); }
.blog-card-body { padding: 24px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.blog-card-tag { font-size: 0.75rem; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; color: var(--blue); }
.blog-card h3 { font-size: 1.15rem; }
.blog-card p { color: var(--gray-text); font-size: 0.92rem; }
.blog-card .read-more { margin-top: auto; font-weight: 700; font-size: 0.9rem; }

.post-content { max-width: 760px; margin: 0 auto; }
.post-content h2 { margin: 40px 0 16px; font-size: 1.6rem; }
.post-content h3 { margin: 28px 0 12px; font-size: 1.25rem; }
.post-content p { margin-bottom: 18px; color: var(--ink); }
.post-content ul, .post-content ol { margin: 0 0 18px 1.4em; }
.post-content li { margin-bottom: 8px; }
.post-content ul li { list-style: disc; }
.post-content ol li { list-style: decimal; }
.post-meta { color: var(--gray-text); font-size: 0.9rem; margin-bottom: 8px; }

/* ---------- 404 ---------- */
.error-page {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}
.error-page .error-code {
  font-size: clamp(4rem, 12vw, 8rem);
  font-weight: 800;
  color: var(--blue-light);
  line-height: 1;
}

/* ---------- Utilities ---------- */
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.divider { height: 1px; background: var(--gray-border); border: none; margin: 0; }