/* ============================================================
   GermanyStudentDesk — style.css
   Palette: ink navy on form-paper, official stamp blue,
   restrained black–red–gold hairline as the signature mark.
   Type: Bricolage Grotesque (display), IBM Plex Sans (body),
   IBM Plex Mono (regulatory labels: §34d, M10, GDPR).
   ============================================================ */

:root {
  --paper: #F7F5F0;
  --paper-2: #EFECE4;
  --ink: #17253F;
  --ink-soft: #3D4A63;
  --line: #D8D3C6;
  --stamp: #2456C8;
  --stamp-dark: #1B408F;
  --gold: #F2B705;
  --red: #C8102E;
  --white: #FFFFFF;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(23, 37, 63, 0.10);
  --font-display: "Bricolage Grotesque", "Arial Black", sans-serif;
  --font-body: "IBM Plex Sans", "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", "Courier New", monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

body {
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.65;
  font-size: 16.5px;
  -webkit-font-smoothing: antialiased;
}

.container { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

/* ---- Signature: the tricolor hairline ---- */
.tricolor {
  height: 4px; width: 100%;
  background: linear-gradient(to right,
    #000 0 33.4%, var(--red) 33.4% 66.7%, var(--gold) 66.7% 100%);
}
.tricolor--short { width: 72px; height: 4px; border-radius: 2px; margin-bottom: 18px;
  background: linear-gradient(to right,
    #000 0 33.4%, var(--red) 33.4% 66.7%, var(--gold) 66.7% 100%); }

/* ---- Mono eyebrow labels ---- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--stamp);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.eyebrow::before {
  content: "";
  width: 22px; height: 1.5px; background: var(--stamp);
  display: inline-block;
}

/* ---- Header / Nav ---- */
.site-header {
  position: sticky; top: 0; z-index: 60;
  background: rgba(247, 245, 240, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 0;
}
.brand {
  display: flex; align-items: center; gap: 12px;
  text-decoration: none; color: var(--ink);
}
.brand-mark {
  width: 40px; height: 40px; border-radius: 10px;
  background: var(--ink);
  display: grid; place-items: center;
  font-family: var(--font-display);
  font-weight: 800; font-size: 15px; color: var(--paper);
  position: relative; overflow: hidden;
  flex-shrink: 0;
}
.brand-mark::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 4px;
  background: linear-gradient(to right, #000 0 33.4%, var(--red) 33.4% 66.7%, var(--gold) 66.7% 100%);
}
.brand-name {
  font-family: var(--font-display);
  font-weight: 700; font-size: 18px; line-height: 1.1;
}
.brand-name small {
  display: block; font-family: var(--font-mono); font-weight: 400;
  font-size: 10.5px; letter-spacing: 0.12em; color: var(--ink-soft);
  text-transform: uppercase; margin-top: 2px;
}
.nav-links { display: flex; align-items: center; gap: 28px; list-style: none; }
.nav-links a {
  text-decoration: none; color: var(--ink-soft); font-weight: 500; font-size: 15px;
  padding: 6px 0; border-bottom: 2px solid transparent; transition: color .2s, border-color .2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--ink); border-bottom-color: var(--gold); }
.nav-cta {
  background: var(--stamp); color: #fff !important; padding: 10px 20px !important;
  border-radius: 999px; border: none !important; font-weight: 600;
  transition: background .2s, transform .15s;
}
.nav-cta:hover { background: var(--stamp-dark); transform: translateY(-1px); }

.nav-toggle {
  display: none; background: none; border: 1.5px solid var(--line);
  border-radius: 10px; width: 44px; height: 44px; cursor: pointer;
  align-items: center; justify-content: center; gap: 4px; flex-direction: column;
}
.nav-toggle span { width: 20px; height: 2px; background: var(--ink); display: block; transition: transform .25s, opacity .25s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ---- Hero ---- */
.hero { padding: 72px 0 84px; overflow: hidden; }
.hero-grid {
  display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 56px; align-items: center;
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1.06;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin-bottom: 22px;
}
.hero h1 .u-stamp {
  color: var(--stamp);
  white-space: nowrap;
}
.hero p.lead { font-size: 19px; color: var(--ink-soft); max-width: 54ch; margin-bottom: 30px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 34px; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 26px; border-radius: 999px; text-decoration: none;
  font-weight: 600; font-size: 15.5px; border: 1.5px solid transparent;
  cursor: pointer; transition: background .2s, transform .15s, border-color .2s;
  font-family: var(--font-body);
}
.btn-primary { background: var(--stamp); color: #fff; }
.btn-primary:hover { background: var(--stamp-dark); transform: translateY(-2px); }
.btn-ghost { border-color: var(--ink); color: var(--ink); background: transparent; }
.btn-ghost:hover { background: var(--ink); color: var(--paper); transform: translateY(-2px); }

.hero-trust { display: flex; gap: 26px; flex-wrap: wrap; }
.hero-trust div { font-size: 13.5px; color: var(--ink-soft); }
.hero-trust strong {
  display: block; font-family: var(--font-mono); font-size: 15px;
  color: var(--ink); letter-spacing: 0.03em;
}

/* ---- The certificate card (hero visual) ---- */
.cert-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px 26px 24px;
  position: relative;
  transform: rotate(1.5deg);
  max-width: 400px;
  margin-left: auto;
}
.cert-card::before {
  content: ""; position: absolute; inset: 10px;
  border: 1px dashed var(--line); border-radius: 8px; pointer-events: none;
}
.cert-head {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .12em;
  text-transform: uppercase; color: var(--ink-soft); margin-bottom: 6px;
}
.cert-title { font-family: var(--font-display); font-weight: 700; font-size: 21px; margin-bottom: 16px; }
.cert-row { display: flex; justify-content: space-between; gap: 12px; padding: 9px 0; border-bottom: 1px solid var(--paper-2); font-size: 13.5px; }
.cert-row span:first-child { color: var(--ink-soft); font-family: var(--font-mono); font-size: 12px; }
.cert-row span:last-child { font-weight: 600; }
.cert-status { color: #17803D; }
.cert-stamp {
  position: absolute; right: 18px; bottom: 16px;
  width: 92px; height: 92px; border-radius: 50%;
  border: 3px solid var(--stamp);
  color: var(--stamp);
  display: grid; place-items: center; text-align: center;
  font-family: var(--font-mono); font-size: 9.5px; letter-spacing: .08em;
  text-transform: uppercase; line-height: 1.5;
  transform: rotate(-12deg);
  opacity: .85;
}
.cert-stamp b { font-size: 12px; display: block; }

/* ---- Sections ---- */
section { padding: 76px 0; }
.section-alt { background: var(--white); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { max-width: 640px; margin-bottom: 44px; }
.section-head h2 {
  font-family: var(--font-display); font-size: clamp(26px, 3.4vw, 38px);
  font-weight: 800; line-height: 1.15; margin-bottom: 12px;
}
.section-head p { color: var(--ink-soft); font-size: 17px; }

/* ---- Service cards ---- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 24px; transition: transform .2s, box-shadow .2s;
}
.section-alt .card { background: var(--paper); }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.card .tag {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .12em;
  text-transform: uppercase; color: var(--stamp); background: rgba(36, 86, 200, .08);
  padding: 4px 10px; border-radius: 999px; display: inline-block; margin-bottom: 14px;
}
.card h3 { font-family: var(--font-display); font-size: 19px; font-weight: 700; margin-bottom: 10px; }
.card p { font-size: 15px; color: var(--ink-soft); }

/* ---- Process (numbered — it IS a sequence) ---- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: step; }
.step {
  position: relative; padding: 26px 22px 24px;
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
}
.step-num {
  font-family: var(--font-mono); font-size: 12px; color: var(--stamp);
  letter-spacing: .1em; margin-bottom: 12px; display: block;
}
.step h3 { font-family: var(--font-display); font-size: 17.5px; font-weight: 700; margin-bottom: 8px; }
.step p { font-size: 14.5px; color: var(--ink-soft); }

/* ---- Stats strip ---- */
.stats {
  background: var(--ink); color: var(--paper);
  border-radius: var(--radius);
  display: grid; grid-template-columns: repeat(4, 1fr);
  padding: 40px 20px; gap: 18px; text-align: center;
  position: relative; overflow: hidden;
}
.stats::after {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 4px;
  background: linear-gradient(to right, #000 0 33.4%, var(--red) 33.4% 66.7%, var(--gold) 66.7% 100%);
}
.stat b { font-family: var(--font-display); font-size: clamp(28px, 4vw, 40px); font-weight: 800; display: block; }
.stat span { font-size: 13.5px; opacity: .8; }

/* ---- Testimonials ---- */
.quotes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.quote {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 24px; display: flex; flex-direction: column; gap: 16px;
}
.quote p { font-size: 15px; color: var(--ink-soft); flex: 1; }
.quote p::before { content: "\201C"; font-family: var(--font-display); font-size: 30px; color: var(--gold); display: block; line-height: .6; margin-bottom: 10px; }
.quote footer { font-size: 13.5px; }
.quote footer b { display: block; font-size: 14.5px; color: var(--ink); }
.quote footer span { color: var(--ink-soft); font-family: var(--font-mono); font-size: 12px; }

/* ---- CTA band ---- */
.cta-band {
  background: var(--stamp); color: #fff; border-radius: var(--radius);
  padding: 52px 40px; display: flex; align-items: center; justify-content: space-between;
  gap: 28px; flex-wrap: wrap;
}
.cta-band h2 { font-family: var(--font-display); font-size: clamp(24px, 3vw, 34px); font-weight: 800; line-height: 1.15; }
.cta-band p { opacity: .85; margin-top: 6px; }
.cta-band .btn { background: #fff; color: var(--stamp); }
.cta-band .btn:hover { background: var(--paper); }

/* ---- About page ---- */
.about-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 56px; align-items: start; }
.about-grid h2 { font-family: var(--font-display); font-size: clamp(24px, 3vw, 32px); font-weight: 800; margin-bottom: 14px; }
.about-grid p { color: var(--ink-soft); margin-bottom: 16px; }
.credential-box {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 24px; box-shadow: var(--shadow);
}
.credential-box h3 { font-family: var(--font-display); font-size: 18px; margin-bottom: 14px; }
.credential-box ul { list-style: none; }
.credential-box li {
  padding: 11px 0; border-bottom: 1px solid var(--paper-2);
  display: flex; gap: 12px; font-size: 14.5px; align-items: flex-start;
}
.credential-box li:last-child { border-bottom: none; }
.credential-box li::before {
  content: "✓"; color: var(--stamp); font-weight: 700; flex-shrink: 0;
  font-family: var(--font-mono);
}
.values { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 8px; }

/* ---- Contact page ---- */
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 52px; align-items: start; }
.contact-info h2 { font-family: var(--font-display); font-size: clamp(24px, 3vw, 32px); font-weight: 800; margin-bottom: 14px; }
.contact-info p { color: var(--ink-soft); margin-bottom: 22px; }
.contact-list { list-style: none; }
.contact-list li { display: flex; gap: 14px; padding: 13px 0; border-bottom: 1px solid var(--line); font-size: 15px; align-items: flex-start; }
.contact-list li:last-child { border-bottom: none; }
.contact-list .ico {
  width: 38px; height: 38px; border-radius: 10px; background: rgba(36, 86, 200, .09);
  color: var(--stamp); display: grid; place-items: center; font-size: 16px; flex-shrink: 0;
}
.contact-list b { display: block; font-size: 14px; }
.contact-list span { color: var(--ink-soft); font-size: 14px; }

.form-card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 32px 30px; box-shadow: var(--shadow);
}
.form-card h3 { font-family: var(--font-display); font-size: 20px; margin-bottom: 4px; }
.form-card > p { font-size: 14px; color: var(--ink-soft); margin-bottom: 22px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { margin-bottom: 16px; }
.field label {
  display: block; font-family: var(--font-mono); font-size: 11.5px;
  letter-spacing: .1em; text-transform: uppercase; color: var(--ink-soft);
  margin-bottom: 7px;
}
.field input, .field select, .field textarea {
  width: 100%; padding: 13px 14px; border: 1.5px solid var(--line); border-radius: 10px;
  font-family: var(--font-body); font-size: 15px; background: var(--paper);
  color: var(--ink); transition: border-color .2s, box-shadow .2s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--stamp); box-shadow: 0 0 0 3px rgba(36, 86, 200, .12);
}
.field textarea { resize: vertical; min-height: 120px; }
.consent { display: flex; gap: 10px; align-items: flex-start; font-size: 13px; color: var(--ink-soft); margin: 4px 0 20px; }
.consent input { margin-top: 3px; width: auto; }
.form-note { font-size: 12.5px; color: var(--ink-soft); margin-top: 14px; font-family: var(--font-mono); }

/* ---- Footer ---- */
.site-footer { background: var(--ink); color: var(--paper); margin-top: 20px; }
.footer-grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; padding: 56px 0 40px;
}
.footer-grid h4 { font-family: var(--font-display); font-size: 15px; margin-bottom: 14px; letter-spacing: .02em; }
.footer-grid p, .footer-grid a { color: rgba(247, 245, 240, .75); font-size: 14px; text-decoration: none; }
.footer-grid a:hover { color: var(--gold); }
.footer-grid ul { list-style: none; }
.footer-grid li { margin-bottom: 9px; }
.footer-legal {
  border-top: 1px solid rgba(247, 245, 240, .15);
  padding: 20px 0; font-size: 12.5px; color: rgba(247, 245, 240, .55);
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
}
.footer-legal a { color: rgba(247, 245, 240, .7); text-decoration: none; }

/* ---- Reveal on scroll ---- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ---- Focus visibility ---- */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 3px solid var(--gold); outline-offset: 2px;
}

/* ============ Responsive ============ */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; gap: 44px; }
  .cert-card { margin: 0 auto; transform: rotate(0); }
  .cards, .quotes, .values { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  body { font-size: 16px; }
  section { padding: 56px 0; }
  .hero { padding: 48px 0 60px; }
  .cards, .quotes, .steps, .stats, .values { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .cta-band { padding: 36px 26px; }

  .nav-toggle { display: flex; }
  .nav-links {
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--paper); border-bottom: 1px solid var(--line);
    flex-direction: column; align-items: flex-start; gap: 0;
    padding: 10px 24px 20px; display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links li { width: 100%; }
  .nav-links a { display: block; padding: 12px 0; width: 100%; font-size: 16px; }
  .nav-cta { margin-top: 10px; text-align: center; display: inline-block; }
}