/* =====================================================================
   iParkar HSE Academy — styles
   Built on the iParkar design system (tokens + components).
   Change a colour or size ONCE in :root and it updates everywhere.
   ===================================================================== */

@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Source+Serif+4:wght@400&display=swap");

:root {
  /* Colour */
  --midnight: #02093a;
  --marigold: #ffb110;
  --action-blue: #0075de;
  --coral: #f64932;
  --paper: #f6f5f4;
  --white: #ffffff;
  --ink: #000000;
  --ink-95: rgba(0, 0, 0, 0.95);
  --ink-90: rgba(0, 0, 0, 0.9);
  --ink-54: rgba(0, 0, 0, 0.54);
  --ink-20: rgba(0, 0, 0, 0.2);
  --graphite: #615d59;
  --slate: #696969;
  --stone: #757575;
  --sky-tint: #e6f3fe;
  --sky-wash: #62aef0;
  --peach: #f6d5b8;
  --border-hairline: rgba(0, 0, 0, 0.08);
  --focus-ring: var(--midnight);

  /* Type */
  --font-sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-serif: "Source Serif 4", Georgia, "Times New Roman", serif;

  /* Spacing & layout */
  --spacing-4: 4px; --spacing-8: 8px; --spacing-12: 12px; --spacing-16: 16px;
  --spacing-20: 20px; --spacing-24: 24px; --spacing-28: 28px; --spacing-32: 32px;
  --spacing-36: 36px; --spacing-64: 64px; --spacing-80: 80px;
  --page-max-width: 1440px;
  --content-width: 1120px;
  --section-gap: 80px;
  --card-padding: 24px;
  --element-gap: 8px;
  --nav-height: 64px;

  /* Shape */
  --radius-small: 4px; --radius-button: 8px; --radius-card: 12px; --radius-pill: 9999px;
  --shadow-nav: 0px 0.7px 1.462px 0px rgba(0,0,0,0.015), 0px 3px 9px 0px rgba(0,0,0,0.03);
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-padding-top: calc(var(--nav-height) + 16px); }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  font-feature-settings: "lnum";
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--focus-ring); outline-offset: 2px; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.container { width: 100%; max-width: var(--content-width); margin: 0 auto; padding: 0 var(--spacing-24); }
@media (max-width: 640px) { .container { padding: 0 var(--spacing-16); } }

/* ---------- Nav ---------- */
.site-nav {
  position: sticky; top: 0; z-index: 10;
  background: var(--white); box-shadow: var(--shadow-nav);
}
.site-nav__inner {
  max-width: var(--page-max-width); margin: 0 auto;
  height: var(--nav-height); padding: 0 var(--spacing-24);
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: var(--spacing-16);
}
.brand { display: inline-flex; align-items: center; gap: var(--spacing-12); text-decoration: none; justify-self: start; }
.brand img { width: 36px; height: 36px; }
.brand__name { font-weight: 700; font-size: 18px; letter-spacing: -0.3px; }
.brand__name span { font-weight: 400; color: var(--graphite); }
.nav-links { display: flex; gap: var(--spacing-4); }
.nav-actions { justify-self: end; display: flex; gap: var(--element-gap); align-items: center; }

.ip-nav-link {
  display: inline-block; font-size: 14px; line-height: 1.43; font-weight: 500;
  padding: var(--spacing-12) var(--spacing-16); border-radius: var(--radius-button);
  color: var(--ink-54); text-decoration: none; transition: color 200ms ease; white-space: nowrap;
}
.ip-nav-link:hover { color: var(--ink); }
.ip-nav-link[aria-current="page"] { color: var(--action-blue); }

/* Phones: tabs move to a scrollable row under the brand */
@media (max-width: 900px) {
  .site-nav__inner { grid-template-columns: 1fr auto; height: auto; padding: var(--spacing-8) var(--spacing-16) 0; row-gap: 0; }
  .nav-links { grid-column: 1 / -1; grid-row: 2; overflow-x: auto; margin: 0 calc(-1 * var(--spacing-16)); padding: 0 var(--spacing-8); scrollbar-width: none; }
  .nav-links::-webkit-scrollbar { display: none; }
  .brand__name span { display: none; }
}

/* ---------- Buttons ---------- */
.ip-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--spacing-8);
  font-family: var(--font-sans); font-size: 14px; line-height: 1.43; font-weight: 500;
  padding: 6px 15px; border: 0; border-radius: var(--radius-button);
  background: transparent; color: var(--ink-95); cursor: pointer; text-decoration: none;
  transition: background-color 200ms ease, color 200ms ease;
}
.ip-btn--lg { font-size: 16px; padding: 10px 20px; }
.ip-btn--primary { background: var(--action-blue); color: var(--white); }
.ip-btn--primary:hover { background: #0066c2; }
.ip-btn--ghost { background: var(--sky-tint); color: var(--action-blue); }
.ip-btn--ghost:hover { background: #d4eafd; }
.ip-btn--text:hover { background: rgba(0,0,0,0.04); }
.ip-btn--outlined { color: var(--ink-90); border: 1px solid var(--ink-90); border-radius: var(--radius-small); padding: 5px 10px; }
.ip-btn--outlined:hover { background: rgba(0,0,0,0.04); }
.ip-btn--dark { background: var(--midnight); color: var(--white); }
.ip-btn--dark:hover { background: #0b1550; }
.ip-btn:disabled, .ip-btn[aria-disabled="true"] { background: transparent; color: var(--stone); border: 1px solid var(--ink-20); cursor: not-allowed; }
.ip-card--dark .ip-btn:focus-visible { outline-color: var(--white); }
.ip-btn-row { display: flex; flex-wrap: wrap; gap: var(--element-gap); align-items: center; }

/* ---------- Pills ---------- */
.ip-pill {
  display: inline-flex; align-items: center; font-size: 12px; line-height: 1.33; letter-spacing: 0.12px; font-weight: 500;
  padding: var(--spacing-4) var(--spacing-12); border-radius: var(--radius-pill);
  background: var(--paper); color: var(--ink); white-space: nowrap;
}
.ip-pill--todo { background: var(--sky-tint); }
.ip-pill--progress { background: var(--marigold); }
.ip-pill--done { background: var(--midnight); color: var(--white); }
.ip-pill--alert { background: var(--coral); }
.ip-pill--white { background: var(--white); border: 1px solid var(--border-hairline); }
.pill-row { display: flex; flex-wrap: wrap; gap: var(--spacing-8); }

.ip-highlight { display: inline-block; padding: 0.08em 0.33em 0.14em; border-radius: var(--radius-pill); background: var(--peach); color: var(--ink); line-height: 1; }
.ip-highlight--marigold { background: var(--marigold); }
.ip-highlight--coral { background: var(--coral); }

/* ---------- Cards ---------- */
.ip-card { background: var(--white); border: 1px solid var(--border-hairline); border-radius: var(--radius-card); padding: var(--card-padding); color: var(--ink); }
.ip-card--marigold { background: var(--marigold); border-color: transparent; }
.ip-card--coral { background: var(--coral); border-color: transparent; }
.ip-card--sky { background: var(--sky-wash); border-color: transparent; }
.ip-card--tint { background: var(--sky-tint); border-color: transparent; }
.ip-card--dark { background: var(--midnight); border-color: transparent; color: var(--white); }
.ip-card__title { margin: 0 0 var(--spacing-8); font-size: 22px; line-height: 1.27; font-weight: 700; letter-spacing: -0.242px; }
.ip-card__body { margin: 0; color: var(--graphite); }
.ip-card--marigold .ip-card__body, .ip-card--coral .ip-card__body,
.ip-card--sky .ip-card__body, .ip-card--tint .ip-card__body { color: var(--ink); }
.ip-card--dark .ip-card__body { color: var(--white); }

.grid { display: grid; gap: var(--spacing-16); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }

/* ---------- Section header ---------- */
.ip-section-header { max-width: 760px; margin-bottom: var(--spacing-36); }
.ip-section-header__title { margin: 0; font-size: 40px; line-height: 1.08; font-weight: 600; letter-spacing: -1.4px; }
.ip-section-header__lead { margin: var(--spacing-16) 0 0; font-family: var(--font-serif); font-size: 18px; line-height: 1.56; color: var(--graphite); }
@media (min-width: 900px) { .ip-section-header__title { font-size: 54px; letter-spacing: -1.89px; } }

.eyebrow { font-size: 14px; font-weight: 500; color: var(--graphite); margin: 0 0 var(--spacing-8); }

/* ---------- Tabs (panels) ---------- */
main { padding: var(--spacing-64) 0 var(--section-gap); min-height: 70vh; }
.tab-panel[hidden] { display: none; }
.tab-panel > section + section { margin-top: var(--section-gap); }
.tab-panel > .quiz-frame, #exam-area:not(:empty) { margin-top: var(--spacing-32); margin-bottom: var(--spacing-32); }
#exam-area:not(:empty) { margin-top: 0; }

/* ---------- About ---------- */
.hero { display: grid; grid-template-columns: 1.3fr 1fr; gap: var(--spacing-32); align-items: center; }
.hero__title { margin: 0; font-size: 72px; line-height: 1.12; font-weight: 500; letter-spacing: -2.016px; }
.hero__lead { margin: var(--spacing-24) 0 var(--spacing-36); font-family: var(--font-serif); font-size: 20px; line-height: 1.5; color: var(--graphite); max-width: 560px; }
.profile-card { display: flex; flex-direction: column; gap: var(--spacing-20); }
.profile-card__head { display: flex; align-items: center; gap: var(--spacing-16); }
.profile-card__head img { width: 64px; height: 64px; }
.profile-card__name { margin: 0; font-size: 26px; font-weight: 700; letter-spacing: -0.4px; line-height: 1.2; }
.profile-card__role { margin: 0; color: rgba(255,255,255,0.8); font-size: 14px; }
.cred-row .ip-pill { background: rgba(255,255,255,0.12); color: var(--white); }
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; }
  .hero__title { font-size: 44px; letter-spacing: -1.3px; }
}

.bio { display: grid; grid-template-columns: 1fr 1.6fr; gap: var(--spacing-32); align-items: start; }
.bio__text p { margin: 0 0 var(--spacing-16); color: var(--graphite); font-size: 17px; line-height: 1.65; }
.bio__closing { font-family: var(--font-serif); font-size: 24px !important; line-height: 1.35 !important; color: var(--ink) !important; }
@media (max-width: 900px) { .bio { grid-template-columns: 1fr; } }

/* ---------- Certifications ---------- */
.seg { display: inline-flex; gap: var(--spacing-4); padding: var(--spacing-4); background: var(--white); border: 1px solid var(--border-hairline); border-radius: var(--radius-card); margin-bottom: var(--spacing-24); flex-wrap: wrap; }
.seg button {
  font: 500 15px/1.4 var(--font-sans); padding: 8px 18px; border: 0; border-radius: var(--radius-button);
  background: transparent; color: var(--ink-54); cursor: pointer; transition: background-color 200ms ease, color 200ms ease;
}
.seg button:hover { color: var(--ink); }
.seg button[aria-selected="true"] { background: var(--midnight); color: var(--white); }

.cert-head { display: flex; justify-content: space-between; align-items: flex-end; gap: var(--spacing-16); flex-wrap: wrap; margin-bottom: var(--spacing-24); }
.cert-head h3 { margin: 0; font-size: 32px; line-height: 1.2; font-weight: 600; letter-spacing: -0.8px; }
.cert-head p { margin: var(--spacing-8) 0 0; color: var(--graphite); max-width: 620px; }
.cert-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--spacing-16); }
@media (max-width: 1000px) { .cert-cols { grid-template-columns: 1fr; } }
.step-list { margin: var(--spacing-12) 0 0; padding: 0; list-style: none; counter-reset: s; }
.step-list li { position: relative; padding: 0 0 var(--spacing-12) 36px; color: var(--graphite); font-size: 15px; line-height: 1.55; }
.step-list li::before {
  counter-increment: s; content: counter(s);
  position: absolute; left: 0; top: 0; width: 24px; height: 24px; border-radius: var(--radius-pill);
  background: var(--paper); color: var(--ink); font-size: 12px; font-weight: 600; display: grid; place-items: center;
}
.ip-card--tint .step-list li, .ip-card--marigold .step-list li { color: var(--ink); }
.ip-card--tint .step-list li::before, .ip-card--marigold .step-list li::before { background: var(--white); }
.link-list { display: flex; flex-wrap: wrap; gap: var(--element-gap); margin-top: var(--spacing-24); }
.fineprint { margin-top: var(--spacing-24); font-size: 13px; line-height: 1.5; color: var(--graphite); max-width: 820px; }

/* ---------- Quiz ---------- */
.quiz-hero { display: grid; grid-template-columns: 1fr 1fr; gap: var(--spacing-16); }
.quiz-hero .ip-card { padding: var(--spacing-32); }
.quiz-hero__title { margin: 0 0 var(--spacing-12); font-size: 40px; line-height: 1.15; font-weight: 400; letter-spacing: -0.8px; }
@media (max-width: 900px) { .quiz-hero { grid-template-columns: 1fr; } }
.quiz-frame { width: 100%; height: 720px; border: 1px solid var(--border-hairline); border-radius: var(--radius-card); background: var(--white); }
.big-num { font-size: 14px; font-weight: 600; color: var(--graphite); margin-bottom: var(--spacing-8); }

/* ---------- Practice ---------- */
.plan { display: flex; flex-direction: column; gap: var(--spacing-16); }
.plan__price { font-size: 40px; font-weight: 600; letter-spacing: -1px; line-height: 1; }
.plan__price small { font-size: 15px; font-weight: 500; letter-spacing: 0; color: inherit; opacity: 0.75; }
.plan ul { margin: 0; padding: 0; list-style: none; flex: 1; }
.plan li { padding: var(--spacing-8) 0; border-top: 1px solid var(--border-hairline); font-size: 15px; }
.plan .ip-btn { align-self: flex-start; }
.ip-card--marigold .ip-btn:disabled, .ip-card--sky .ip-btn:disabled { color: var(--ink); border-color: rgba(0,0,0,0.35); }

.exam { max-width: 760px; margin-left: auto; margin-right: auto; }
.exam__top { display: flex; justify-content: space-between; align-items: center; gap: var(--spacing-12); margin-bottom: var(--spacing-16); flex-wrap: wrap; }
.progress { height: 6px; background: var(--paper); border-radius: var(--radius-pill); overflow: hidden; margin-bottom: var(--spacing-24); }
.progress__bar { height: 100%; background: var(--midnight); transition: width 200ms ease; }
.exam__q { margin: 0 0 var(--spacing-20); font-size: 22px; line-height: 1.4; font-weight: 600; letter-spacing: -0.2px; }
.options { display: grid; gap: var(--spacing-8); }
.option {
  text-align: left; font: 400 16px/1.45 var(--font-sans); color: var(--ink);
  padding: 14px 16px; background: var(--white); border: 1px solid var(--ink-20); border-radius: var(--radius-button);
  cursor: pointer; transition: background-color 200ms ease, border-color 200ms ease; display: flex; gap: var(--spacing-12);
}
.option:hover:not(:disabled) { background: var(--sky-tint); border-color: var(--action-blue); }
.option__key { font-weight: 600; min-width: 18px; }
.option.is-correct { background: var(--midnight); color: var(--white); border-color: var(--midnight); }
.option.is-wrong { background: var(--coral); border-color: var(--coral); }
.option:disabled { cursor: default; }
.feedback { margin-top: var(--spacing-20); padding: var(--spacing-16) var(--spacing-20); background: var(--paper); border-radius: var(--radius-button); }
.feedback p { margin: var(--spacing-8) 0 0; color: var(--graphite); }
.exam__nav { display: flex; justify-content: flex-end; margin-top: var(--spacing-20); }
.score { text-align: center; padding: var(--spacing-32) 0 var(--spacing-16); }
.score__num { font-size: 96px; line-height: 1; font-weight: 700; letter-spacing: -4.6px; }
.score p { color: var(--graphite); }
.review { margin-top: var(--spacing-24); display: grid; gap: var(--spacing-8); }
.review__item { display: flex; gap: var(--spacing-12); align-items: flex-start; padding: var(--spacing-12) 0; border-top: 1px solid var(--border-hairline); font-size: 15px; }

/* ---------- Footer ---------- */
.site-footer { background: var(--white); border-top: 1px solid var(--border-hairline); padding: var(--spacing-32) 0; }
.site-footer__inner { display: flex; justify-content: space-between; gap: var(--spacing-16); flex-wrap: wrap; align-items: center; font-size: 14px; color: var(--slate); }
.site-footer a { color: var(--slate); text-decoration: none; margin-left: var(--spacing-16); }
.site-footer a:hover { color: var(--ink); }
.site-footer a:first-child { margin-left: 0; }

@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }
.quiz-hero + section { margin-top: var(--spacing-16) !important; }
[hidden] { display: none !important; }

/* ---------- Certificate courses ---------- */
.cert-note { display: flex; gap: var(--spacing-8); align-items: flex-start; margin-top: var(--spacing-12) !important; color: var(--ink) !important; }
.notice { display: flex; gap: var(--spacing-12); align-items: center; margin-bottom: var(--spacing-24); font-weight: 500; }
.course { display: flex; flex-direction: column; gap: var(--spacing-16); padding: 0; overflow: hidden; }
.course > *:not(.course__head) { margin-left: var(--card-padding); margin-right: var(--card-padding); }
.course__head { border-radius: 0; border: 0; padding: var(--card-padding); }
.course__head .ip-pill:not(.ip-pill--white) { background: rgba(255,255,255,0.14); color: var(--white); }
.course__level { font-size: 13px; font-weight: 500; }
.course__title { margin: var(--spacing-16) 0 0; font-size: 22px; line-height: 1.27; font-weight: 700; letter-spacing: -0.242px; }
.facts { margin: 0; display: grid; grid-template-columns: 96px 1fr; gap: var(--spacing-12) var(--spacing-16); font-size: 15px; line-height: 1.55; }
.facts dt { font-weight: 600; }
.facts dd { margin: 0; color: var(--graphite); }
.course__foot { margin-top: auto !important; padding: var(--spacing-16) 0 var(--card-padding); border-top: 1px solid var(--border-hairline); display: flex; justify-content: space-between; align-items: center; gap: var(--spacing-12); }
@media (max-width: 640px) { .facts { grid-template-columns: 1fr; gap: var(--spacing-4); } .facts dd { margin-bottom: var(--spacing-8); } }

/* ---------- Policy pages ---------- */
.legal { max-width: 760px; }
.legal h1 { margin: 0; font-size: 48px; line-height: 1.08; font-weight: 600; letter-spacing: -1.6px; }
.legal .updated { margin: var(--spacing-12) 0 var(--spacing-32); color: var(--graphite); font-size: 14px; }
.legal h2 { margin: var(--spacing-36) 0 var(--spacing-12); font-size: 22px; line-height: 1.27; font-weight: 700; letter-spacing: -0.242px; }
.legal p, .legal li { color: var(--charcoal, #111); font-size: 16px; line-height: 1.65; }
.legal ul { padding-left: 20px; }
.legal a { color: var(--action-blue); }
.legal .summary { margin-bottom: var(--spacing-8); }
.course-grid { grid-template-columns: repeat(auto-fit, minmax(min(100%, 440px), 1fr)); }