/* ITG Lingua — strona publiczna. Kierunek „Brytyjski minimal".
   Kość słoniowa + atrament + butelkowa zieleń. Fraunces (nagłówki) + Inter (tekst).
   Ładowane tylko na stronie publicznej — nadpisuje zmienne z main.css. */

@font-face {
  font-family: "Fraunces";
  src: url("../fonts/fraunces-latin.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Fraunces";
  src: url("../fonts/fraunces-latin-italic.woff2") format("woff2");
  font-weight: 100 900;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "InterVar";
  src: url("../fonts/inter-latin.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg: #f4f1ea;         /* kość słoniowa */
  --bg-2: #ece7db;
  --ink: #1b1b1a;        /* atrament */
  --ink-soft: #55524b;
  --accent: #14532d;     /* butelkowa zieleń */
  --accent-2: #0f3d21;
  --line: #d9d3c4;
  --max: 1120px;
  --f-head: "Fraunces", Georgia, serif;
  --f-body: "InterVar", "Segoe UI", system-ui, -apple-system, Arial, sans-serif;
}

.site {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--f-body);
  font-size: 18px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
.site * { box-sizing: border-box; }
.site img { max-width: 100%; height: auto; display: block; }
.site h1, .site h2, .site h3 { font-family: var(--f-head); font-weight: 560; line-height: 1.08; letter-spacing: -0.015em; }
.site a { color: var(--accent); text-underline-offset: 3px; }

.wrap { max-width: var(--max); margin-inline: auto; padding-inline: clamp(1.1rem, 4vw, 2.4rem); }
.section { padding-block: clamp(3.5rem, 9vw, 7rem); }
.kicker { font-family: var(--f-body); text-transform: uppercase; letter-spacing: .18em; font-size: .74rem; font-weight: 700; color: var(--accent); margin: 0 0 1rem; }

/* --- przyciski --- */
.button {
  display: inline-flex; align-items: center; gap: .5rem;
  background: var(--accent); color: #fff; text-decoration: none;
  padding: .85rem 1.4rem; border-radius: 2px; font-weight: 600; font-size: 1rem;
  border: 1px solid var(--accent); transition: background .18s ease, transform .05s ease;
}
.button:hover { background: var(--accent-2); }
.button:active { transform: translateY(1px); }
.textlink { font-weight: 600; text-decoration: none; border-bottom: 1px solid currentColor; }
.textlink:hover { color: var(--accent-2); }

/* --- nagłówek strony --- */
.site-header { position: sticky; top: 0; z-index: 20; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: saturate(1.1) blur(6px); border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; padding-block: .9rem; }
.brand { font-family: var(--f-head); font-weight: 600; font-size: 1.35rem; letter-spacing: -0.02em; text-decoration: none; color: var(--ink); }
.brand em { font-style: italic; color: var(--accent); }
.site-header nav { display: flex; gap: 1.4rem; align-items: center; font-size: .95rem; }
.site-header nav a { color: var(--ink-soft); text-decoration: none; }
.site-header nav a:hover { color: var(--ink); }
.site-header .nav-cta { color: var(--accent); font-weight: 600; }
.nav-toggle { display: none; }

/* --- hero (asymetryczny) --- */
.hero { padding-top: clamp(2.5rem, 7vw, 5rem); }
.hero__grid { display: grid; grid-template-columns: 1.35fr .9fr; gap: clamp(1.5rem, 5vw, 4rem); align-items: end; }
.hero h1 { font-size: clamp(2.4rem, 6.2vw, 4.5rem); margin: 0 0 1.2rem; }
.hero h1 em { font-style: italic; color: var(--accent); }
.hero__lead { font-size: clamp(1.05rem, 1.6vw, 1.25rem); color: var(--ink-soft); max-width: 40ch; margin: 0 0 1.8rem; }
.hero__cta { display: flex; gap: 1.2rem; align-items: center; flex-wrap: wrap; }
.hero__aside { border-left: 2px solid var(--accent); padding-left: 1.3rem; color: var(--ink-soft); font-size: 1rem; }
.hero__aside strong { color: var(--ink); }
.hero__rule { height: 1px; background: var(--line); margin-top: clamp(2.5rem, 6vw, 4rem); }

/* --- metoda: numerowana lista redakcyjna (nie 3 identyczne karty) --- */
.method__head { max-width: 46ch; margin-bottom: 2.5rem; }
.method__head h2 { font-size: clamp(1.8rem, 3.6vw, 2.8rem); margin: 0; }
.pillars { display: grid; gap: 0; }
.pillar { display: grid; grid-template-columns: 4.5rem 1fr; gap: clamp(1rem, 3vw, 2.5rem); padding-block: 1.8rem; border-top: 1px solid var(--line); }
.pillar:last-child { border-bottom: 1px solid var(--line); }
.pillar__num { font-family: var(--f-head); font-size: 1.4rem; color: var(--accent); font-weight: 600; }
.pillar h3 { font-size: 1.4rem; margin: 0 0 .4rem; }
.pillar p { margin: 0; color: var(--ink-soft); max-width: 60ch; }

/* --- nauczyciele --- */
.teachers { background: var(--bg-2); }
.teachers__head { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; flex-wrap: wrap; margin-bottom: 2.5rem; }
.teachers__head h2 { font-size: clamp(1.8rem, 3.6vw, 2.8rem); margin: 0; }
.team { display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(1.2rem, 3vw, 2.2rem); }
.person { background: var(--bg); border: 1px solid var(--line); padding: 1.6rem; display: grid; grid-template-columns: auto 1fr; gap: 1.2rem; }
.person__mono { width: 64px; height: 64px; border-radius: 50%; display: grid; place-items: center; background: var(--accent); color: #fff; font-family: var(--f-head); font-size: 1.5rem; font-weight: 600; }
.person__photo { width: 72px; height: 72px; border-radius: 50%; object-fit: cover; border: 2px solid var(--accent); filter: grayscale(0.15); }
.person h3 { margin: 0; font-size: 1.3rem; }
.person__role { color: var(--accent); font-size: .85rem; font-weight: 600; text-transform: uppercase; letter-spacing: .08em; margin: .1rem 0 .6rem; }
.person p { margin: 0; color: var(--ink-soft); font-size: .96rem; }
.team__note { margin-top: 1.5rem; font-size: .88rem; color: var(--ink-soft); font-style: italic; }

/* --- czego uczymy --- */
.teach__grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: clamp(1.5rem, 4vw, 3.5rem); align-items: start; }
.teach h2 { font-size: clamp(2rem, 5vw, 3.4rem); margin: 0 0 1rem; }
.teach h2 em { font-style: italic; color: var(--accent); }
.teach p { color: var(--ink-soft); max-width: 50ch; }
.levels { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1.5rem; }
.levels span { border: 1px solid var(--line); padding: .35rem .8rem; border-radius: 2px; font-size: .9rem; font-weight: 600; }
.teach__side { border-top: 3px solid var(--accent); padding-top: 1.2rem; }
.teach__side ul { margin: 0; padding-left: 1.1rem; color: var(--ink-soft); }
.teach__side li { margin-bottom: .5rem; }

/* --- FAQ (natywny accordion) --- */
.faq__head { margin-bottom: 2rem; }
.faq__head h2 { font-size: clamp(1.8rem, 3.6vw, 2.8rem); margin: 0; }
.faq details { border-top: 1px solid var(--line); padding: 1.2rem 0; }
.faq details:last-of-type { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; font-family: var(--f-head); font-size: 1.25rem; list-style: none; display: flex; justify-content: space-between; gap: 1rem; align-items: center; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--accent); font-size: 1.5rem; transition: transform .2s ease; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { margin: .8rem 0 0; color: var(--ink-soft); max-width: 65ch; }
.pricing { list-style: none; margin: .9rem 0 0; padding: 0; max-width: 34rem; }
.pricing li { display: flex; justify-content: space-between; gap: 1rem; padding: .55rem 0; border-bottom: 1px dashed var(--line); }
.pricing li:last-child { border-bottom: none; }
.pricing span { color: var(--ink-soft); }
.pricing b { font-family: var(--f-head); color: var(--ink); white-space: nowrap; }

/* --- kontakt --- */
.contact { background: var(--ink); color: #efece4; }
.contact a { color: #cfe6d6; }
.contact__grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(1.8rem, 5vw, 4rem); align-items: start; }
.contact h2 { font-size: clamp(2rem, 4.5vw, 3.2rem); margin: 0 0 1rem; color: #fff; }
.contact__info p { color: #b8b4aa; }
.contact__info .big { font-family: var(--f-head); font-size: 1.5rem; color: #fff; }
.contact form { display: grid; gap: 1rem; }
.contact label { font-size: .85rem; font-weight: 600; display: block; margin-bottom: .3rem; color: #d8d4ca; }
.contact input, .contact textarea {
  width: 100%; padding: .7rem .8rem; font: inherit; font-size: 1rem;
  background: #26251f; border: 1px solid #3a3830; border-radius: 2px; color: #fff;
}
.contact input:focus, .contact textarea:focus { outline: 2px solid var(--accent); border-color: var(--accent); }
.contact textarea { min-height: 6rem; resize: vertical; }
.contact .button { background: #cfe6d6; color: var(--ink); border-color: #cfe6d6; }
.contact .button:hover { background: #fff; }
.field-err { color: #f0a3a3; font-size: .82rem; margin-top: .25rem; display: block; }

/* --- stopka --- */
.site-footer { background: var(--ink); color: #8f8b81; border-top: 1px solid #2c2a24; }
.site-footer .wrap { display: flex; justify-content: space-between; gap: 1rem 2rem; flex-wrap: wrap; padding-block: 2rem; font-size: .88rem; }
.site-footer strong { color: #cfcabd; }
.site-footer p { margin: .2rem 0; }
.footer-note { opacity: .6; font-style: italic; }

/* --- flash na publicznej --- */
.site .flashes { max-width: var(--max); margin: 1rem auto -1rem; padding-inline: clamp(1.1rem, 4vw, 2.4rem); }
.site .flash { padding: .7rem 1rem; border-radius: 2px; border-left: 3px solid var(--accent); background: var(--bg-2); }
.site .flash--error { border-color: #a4243b; background: #f3e4e6; }

/* --- mikroanimacja pojawiania (z umiarem) --- */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* --- responsywność --- */
@media (max-width: 860px) {
  .hero__grid, .teach__grid, .contact__grid { grid-template-columns: 1fr; }
  .team { grid-template-columns: 1fr; }
  .site-header nav { display: none; }
  .site-header nav.is-open { display: flex; position: absolute; top: 100%; right: 0; left: 0; flex-direction: column; background: var(--bg); border-bottom: 1px solid var(--line); padding: 1rem clamp(1.1rem,4vw,2.4rem); gap: .9rem; }
  .nav-toggle { display: inline-flex; background: none; border: 1px solid var(--line); border-radius: 2px; padding: .4rem .6rem; font: inherit; cursor: pointer; }
}