/* Chris Barker — English Tutoring, Graz
   Warm, premium, trustworthy. Mobile-first, no framework. */

:root {
  --ink: #18302e;
  --ink-soft: #3c5450;
  --muted: #6b7d79;
  --brand: #0d5c63;
  --brand-dark: #094248;
  --brand-tint: #e3f0ef;
  --accent: #e07a3f;       /* warm amber CTA */
  --accent-dark: #c6602a;
  --bg: #faf7f2;
  --bg-alt: #f1ece3;
  --card: #ffffff;
  --line: #e4ddd1;
  --shadow: 0 1px 2px rgba(24,48,46,.05), 0 8px 24px rgba(24,48,46,.06);
  --shadow-lg: 0 12px 40px rgba(24,48,46,.12);
  --radius: 16px;
  --radius-sm: 10px;
  --maxw: 1080px;
  --font-head: "Fraunces", Georgia, "Times New Roman", serif;
  --font-body: "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3 { font-family: var(--font-head); line-height: 1.15; color: var(--ink); font-weight: 600; }
h1 { font-size: clamp(2.1rem, 5vw, 3.3rem); letter-spacing: -.01em; margin: 0 0 .4em; }
h2 { font-size: clamp(1.6rem, 3.4vw, 2.3rem); margin: 0 0 .5em; }
h3 { font-size: 1.2rem; margin: 0 0 .35em; }
p { margin: 0 0 1rem; }
a { color: var(--brand); text-decoration-color: rgba(13,92,99,.35); text-underline-offset: 3px; }
a:hover { text-decoration-color: currentColor; }
img { max-width: 100%; display: block; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 22px; }
.section { padding: clamp(56px, 9vw, 96px) 0; }
.section--alt { background: var(--bg-alt); }
.center { text-align: center; }
.eyebrow {
  display: inline-block; font-family: var(--font-body); font-weight: 600;
  font-size: .82rem; letter-spacing: .12em; text-transform: uppercase;
  color: var(--brand); margin-bottom: .8rem;
}
.lead { font-size: 1.15rem; color: var(--ink-soft); max-width: 60ch; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: .55em;
  font-weight: 600; font-size: 1rem; line-height: 1;
  padding: .9em 1.4em; border-radius: 999px; border: 2px solid transparent;
  cursor: pointer; text-decoration: none; transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn:focus-visible { outline: 3px solid var(--brand); outline-offset: 3px; }
.btn--primary { background: var(--accent); color: #fff; box-shadow: 0 6px 18px rgba(224,122,63,.35); }
.btn--primary:hover { background: var(--accent-dark); }
.btn--whatsapp { background: #25d366; color: #07331b; box-shadow: 0 6px 18px rgba(37,211,102,.3); }
.btn--whatsapp:hover { background: #1fbe5a; }
.btn--ghost { background: transparent; color: var(--brand); border-color: var(--brand); }
.btn--ghost:hover { background: var(--brand-tint); }
.btn-row { display: flex; flex-wrap: wrap; gap: 14px; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(250,247,242,.85); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; font-family: var(--font-head); font-weight: 600; font-size: 1.12rem; color: var(--ink); text-decoration: none; }
.brand .dot { width: 12px; height: 12px; border-radius: 50%; background: var(--accent); flex: none; }
.nav-links { display: flex; align-items: center; gap: 26px; list-style: none; margin: 0; padding: 0; }
.nav-links a { color: var(--ink-soft); text-decoration: none; font-weight: 500; font-size: .96rem; }
.nav-links a:hover { color: var(--brand); }
.nav-right { display: flex; align-items: center; gap: 16px; }
.lang { display: flex; gap: 4px; font-size: .85rem; font-weight: 600; }
.lang a { color: var(--muted); text-decoration: none; padding: 2px 6px; border-radius: 6px; }
.lang a[aria-current="true"] { color: var(--brand); background: var(--brand-tint); }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--ink); margin: 5px 0; transition: .2s; }

/* Hero */
.hero { padding: clamp(40px, 7vw, 84px) 0 clamp(48px, 8vw, 88px); }
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(28px, 5vw, 64px); align-items: center; }
.hero p.lead { margin-bottom: 1.6rem; }
.hero-photo { position: relative; justify-self: center; }
.hero-photo img { width: min(360px, 80vw); height: auto; aspect-ratio: 672 / 615; object-fit: cover; border-radius: 24px; box-shadow: var(--shadow-lg); }
.hero-photo .badge {
  position: absolute; bottom: -16px; left: -16px; background: var(--card);
  border: 1px solid var(--line); border-radius: 14px; padding: 10px 14px;
  box-shadow: var(--shadow); font-size: .85rem; font-weight: 600; color: var(--ink);
  display: flex; align-items: center; gap: 8px;
}
.hero-photo .badge .star { color: var(--accent); }
.chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 1.6rem; }
.chip {
  display: inline-flex; align-items: center; gap: 7px; background: var(--card);
  border: 1px solid var(--line); border-radius: 999px; padding: 7px 14px;
  font-size: .88rem; font-weight: 500; color: var(--ink-soft); box-shadow: var(--shadow);
}
.chip svg { color: var(--brand); flex: none; }

/* Cards grid */
.grid { display: grid; gap: 22px; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 24px; box-shadow: var(--shadow);
}
.card .ic {
  width: 46px; height: 46px; border-radius: 12px; background: var(--brand-tint);
  display: grid; place-items: center; color: var(--brand); margin-bottom: 14px;
}
.card p:last-child { margin-bottom: 0; }
.card p { color: var(--ink-soft); }

/* About */
.about-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(28px, 5vw, 56px); align-items: center; }
.about-grid img { border-radius: var(--radius); box-shadow: var(--shadow-lg); width: min(320px, 100%); height: auto; aspect-ratio: 672 / 615; object-fit: cover; }
.facts { list-style: none; margin: 1.2rem 0 0; padding: 0; display: grid; gap: 10px; }
.facts li { display: flex; gap: 10px; align-items: flex-start; color: var(--ink-soft); }
.facts svg { color: var(--brand); flex: none; margin-top: 4px; }

/* Steps */
.steps { counter-reset: step; display: grid; gap: 22px; grid-template-columns: repeat(3,1fr); }
.step { position: relative; padding-top: 8px; }
.step .num {
  width: 40px; height: 40px; border-radius: 50%; background: var(--brand); color: #fff;
  font-family: var(--font-head); font-weight: 600; display: grid; place-items: center; margin-bottom: 12px;
}

/* Pricing */
.price-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; align-items: stretch; }
.price {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 24px; box-shadow: var(--shadow); display: flex; flex-direction: column;
}
.price.featured { border-color: var(--brand); box-shadow: var(--shadow-lg); position: relative; }
.price.featured::before {
  content: attr(data-tag); position: absolute; top: -12px; left: 24px; background: var(--brand);
  color: #fff; font-size: .72rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  padding: 5px 12px; border-radius: 999px;
}
.price h3 { margin-bottom: .2em; }
.price .amount { font-family: var(--font-head); font-size: 2.4rem; font-weight: 600; color: var(--ink); margin: .2em 0 .1em; }
.price .amount small { font-family: var(--font-body); font-size: .95rem; font-weight: 500; color: var(--muted); }
.price .desc { color: var(--ink-soft); font-size: .96rem; margin-bottom: 1.2rem; }
.price ul { list-style: none; margin: 0 0 1.4rem; padding: 0; display: grid; gap: 9px; }
.price ul li { display: flex; gap: 9px; color: var(--ink-soft); font-size: .95rem; }
.price ul svg { color: var(--brand); flex: none; }
.price .btn { margin-top: auto; justify-content: center; }
.price-note { color: var(--muted); font-size: .9rem; margin-top: 18px; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px,5vw,56px); align-items: start; }
.contact-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow); }
.contact-direct { display: grid; gap: 14px; margin-top: 8px; }
.contact-direct a {
  display: flex; align-items: center; gap: 14px; padding: 14px 16px; border-radius: var(--radius-sm);
  border: 1px solid var(--line); text-decoration: none; color: var(--ink); background: var(--bg);
  font-weight: 500; transition: border-color .15s, transform .15s;
}
.contact-direct a:hover { border-color: var(--brand); transform: translateX(3px); }
.contact-direct .ic { width: 42px; height: 42px; border-radius: 10px; display: grid; place-items: center; flex: none; color: #fff; }
.contact-direct small { display: block; color: var(--muted); font-weight: 400; font-size: .85rem; }

form .field { margin-bottom: 16px; }
form label { display: block; font-weight: 600; font-size: .9rem; margin-bottom: 6px; color: var(--ink); }
form input, form textarea {
  width: 100%; font: inherit; color: var(--ink); padding: 12px 14px;
  border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--bg);
}
form input:focus, form textarea:focus { outline: 2px solid var(--brand); outline-offset: 1px; border-color: var(--brand); }
form textarea { resize: vertical; min-height: 110px; }
.form-status { margin-top: 12px; font-size: .92rem; font-weight: 500; }
.form-status.ok { color: #1c7a3e; }
.form-status.err { color: #b3261e; }

/* FAQ */
.faq { max-width: 760px; margin: 0 auto; display: grid; gap: 12px; }
.faq details { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-sm); box-shadow: var(--shadow); }
.faq summary { cursor: pointer; padding: 18px 20px; font-weight: 600; font-family: var(--font-head); font-size: 1.05rem; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 1.5rem; line-height: 1; color: var(--brand); flex: none; }
.faq details[open] summary::after { content: "\2013"; }
.faq summary:focus-visible { outline: 3px solid var(--brand); outline-offset: 2px; border-radius: var(--radius-sm); }
.faq details > div { padding: 0 20px 18px; color: var(--ink-soft); }
.faq details > div p { margin: 0; }

/* Risk-reversal microcopy */
.reassure { font-size: .9rem; color: var(--muted); margin-top: 12px; display: inline-flex; align-items: center; gap: 7px; }
.reassure svg { color: var(--brand); flex: none; }

/* Footer */
.site-footer { background: var(--ink); color: #d7e2df; padding: 48px 0 30px; }
.site-footer a { color: #fff; }
.footer-grid { display: flex; flex-wrap: wrap; gap: 24px; justify-content: space-between; align-items: flex-start; }
.site-footer .brand { color: #fff; }
.footer-meta { font-size: .9rem; color: #9fb4b0; max-width: 40ch; }
.footer-bottom { margin-top: 32px; padding-top: 18px; border-top: 1px solid rgba(255,255,255,.12); font-size: .85rem; color: #8ba49f; display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; }

.skip-link { position: absolute; left: -999px; top: 0; background: var(--brand); color: #fff; padding: 10px 16px; border-radius: 0 0 8px 0; z-index: 100; }
.skip-link:focus { left: 0; }

/* Responsive */
@media (max-width: 860px) {
  .grid--3, .price-grid, .steps { grid-template-columns: 1fr; }
  .hero-grid, .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .hero-photo { order: -1; }
  .about-grid img { justify-self: center; }
  .nav-links, .nav .lang { display: none; }
  .nav-toggle { display: block; }
  .nav[data-open="true"] .nav-links {
    display: flex; flex-direction: column; position: absolute; top: 68px; left: 0; right: 0;
    background: var(--bg); border-bottom: 1px solid var(--line); padding: 18px 22px; gap: 16px; align-items: flex-start;
  }
  .nav[data-open="true"] .lang { display: flex; }
}
@media (max-width: 520px) {
  .btn-row .btn { flex: 1 1 100%; justify-content: center; }
}