/* ============================================================
   Libra Vek - main.css
   Tokens first, then base, layout, components, motion.
   ============================================================ */

/* ---------- Fonts ---------- */
@font-face {
  font-family: "Inter";
  src: url("/assets/fonts/InterVariable.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Inter";
  src: url("/assets/fonts/InterVariable-Italic.woff2") format("woff2");
  font-weight: 100 900;
  font-style: italic;
  font-display: swap;
}

/* ---------- Tokens ---------- */
:root {
  --paper: #ffffff;
  --paper-alt: #f5f8f7;
  --ink: #1b2733;
  --body-color: #3e4a57;
  --ink-40: #8b9aa3;
  --line: #e2e9e8;

  --accent: #0b5d56;
  --accent-strong: #07443f;
  --accent-tint: #e9f3f1;

  --success: #1e7e34;
  --error: #b02a37;

  --font-sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 3rem;
  --space-6: 4.5rem;

  --radius: 6px;
  --container: 1040px;
  --container-narrow: 720px;

  --dur: 320ms;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--body-color);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3 {
  color: var(--ink);
  line-height: 1.2;
  letter-spacing: -0.015em;
  font-weight: 650;
  margin: 0 0 var(--space-2);
}
h1 { font-size: clamp(2.05rem, 4.6vw, 3.05rem); }
h2 { font-size: clamp(1.55rem, 3vw, 2.05rem); }
h3 { font-size: 1.15rem; margin-bottom: var(--space-1); }

p { margin: 0 0 var(--space-2); }
p:last-child { margin-bottom: 0; }

a { color: var(--accent); text-underline-offset: 2px; }
a:hover { color: var(--accent-strong); }

img, svg { max-width: 100%; height: auto; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 2px;
}

.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--space-3);
}
.container--narrow { max-width: var(--container-narrow); }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: #fff;
  padding: 0.6rem 1rem;
  z-index: 100;
  border-radius: 0 0 var(--radius) 0;
}
.skip-link:focus { left: 0; color: #fff; }

/* ---------- Buttons ---------- */
.button {
  display: inline-block;
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius);
  font-weight: 570;
  font-size: 1rem;
  text-decoration: none;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease), transform 160ms var(--ease);
  min-height: 44px;
  line-height: 1.35;
}
.button--primary {
  background: var(--accent);
  color: #fff;
}
.button--primary:hover { background: var(--accent-strong); color: #fff; transform: translateY(-1px); }
.button--ghost {
  background: transparent;
  color: var(--accent);
  border-color: var(--accent);
}
.button--ghost:hover { background: var(--accent-tint); color: var(--accent-strong); }
.button--small { padding: 0.5rem 1rem; font-size: 0.92rem; min-height: 40px; }
.button:active { transform: translateY(0); }

.text-link { font-weight: 570; text-decoration: none; white-space: nowrap; }
.text-link:hover { text-decoration: underline; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  min-height: 4rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--ink);
  font-weight: 680;
  font-size: 1.12rem;
  letter-spacing: -0.01em;
}
.brand:hover { color: var(--accent); }

.site-nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  list-style: none;
  margin: 0;
  padding: 0;
}
.site-nav__list a:not(.button) {
  color: var(--body-color);
  text-decoration: none;
  font-size: 0.97rem;
  font-weight: 500;
}
.site-nav__list a:not(.button):hover,
.site-nav__list a[aria-current="true"] { color: var(--accent); }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.55rem 0.8rem;
  cursor: pointer;
  align-items: center;
  gap: 0.5rem;
  color: var(--ink);
  font: inherit;
  font-size: 0.9rem;
}
.nav-toggle__bar {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ink);
  position: relative;
}
.nav-toggle__bar::before,
.nav-toggle__bar::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: var(--ink);
}
.nav-toggle__bar::before { top: -5px; }
.nav-toggle__bar::after { top: 5px; }

@media (max-width: 820px) {
  .nav-toggle { display: inline-flex; }
  .site-nav__list {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    padding: var(--space-2) var(--space-3) var(--space-3);
    box-shadow: 0 12px 24px rgba(27, 39, 51, 0.08);
  }
  .site-nav__list.is-open { display: flex; }
  .site-nav__list li { border-bottom: 1px solid var(--line); }
  .site-nav__list li:last-child { border-bottom: 0; }
  .site-nav__list a:not(.button) { display: block; padding: 0.85rem 0; }
  .site-nav__cta { padding-top: var(--space-2); }
  .site-nav__cta .button { display: block; text-align: center; }
}

/* ---------- Sections & headings ---------- */
.section { padding-block: var(--space-6); }
.section--alt { background: var(--paper-alt); }

.section__head { margin-bottom: var(--space-5); max-width: 640px; }
.section__head--split {
  max-width: none;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-3);
  flex-wrap: wrap;
}
.section__lede { font-size: 1.08rem; }
.section__note {
  margin-top: var(--space-5);
  font-size: 1.08rem;
  color: var(--ink);
  font-weight: 530;
  max-width: 560px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.78rem;
  font-weight: 640;
  color: var(--accent);
  margin-bottom: 0.6rem;
}

/* Signature: the fulcrum rule under section headings (Libra = balance) */
.fulcrum { position: relative; padding-bottom: 1.1rem; }
.fulcrum::before {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 120px;
  height: 1px;
  background: var(--line);
}
.fulcrum::after {
  content: "";
  position: absolute;
  left: 54px;
  bottom: 0;
  width: 12px;
  height: 7px;
  background: var(--accent);
  clip-path: polygon(50% 0, 100% 100%, 0 100%);
}

/* ---------- Grid ---------- */
.grid {
  display: grid;
  gap: var(--space-4);
}
.grid--3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 900px) { .grid--3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .grid--3 { grid-template-columns: 1fr; } }

/* ---------- Hero ---------- */
.hero { padding-block: var(--space-6); }
.hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: var(--space-5);
  align-items: center;
}
@media (max-width: 880px) {
  .hero__inner { grid-template-columns: 1fr; }
  .hero__visual { max-width: 460px; }
}
.hero__sub {
  font-size: 1.22rem;
  color: var(--ink);
  font-weight: 530;
  margin-top: var(--space-1);
}
.hero__actions {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-top: var(--space-4);
}
.hero-label {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
}
.hero-line--signal {
  stroke-dasharray: 620;
  stroke-dashoffset: 620;
  animation: draw 1200ms 300ms var(--ease) forwards;
}
.hero-line--noise {
  stroke-dasharray: 620;
  stroke-dashoffset: 620;
  animation: draw 1200ms 150ms var(--ease) forwards;
  opacity: 0.75;
}
@keyframes draw { to { stroke-dashoffset: 0; } }

/* ---------- Pain / Why blocks ---------- */
.pain, .why { max-width: 340px; }
.pain__icon, .why__icon, .card__icon, .step__icon { color: var(--accent); margin-bottom: var(--space-2); }

/* ---------- Steps ---------- */
.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  counter-reset: step;
}
@media (max-width: 980px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .steps { grid-template-columns: 1fr; } }
.step {
  position: relative;
  padding: var(--space-3);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
}
.step__num {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--ink-40);
  font-variant-numeric: tabular-nums;
}

/* ---------- Cards (capabilities) ---------- */
.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: var(--space-3);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 10px 24px rgba(11, 93, 86, 0.08);
}

/* ---------- Post cards ---------- */
.post-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.post-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 10px 24px rgba(11, 93, 86, 0.08);
}
.post-card__link { display: block; text-decoration: none; color: inherit; }
.post-card__media { aspect-ratio: 16 / 9; background: var(--accent-tint); }
.post-card__media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.post-card__body { padding: var(--space-3); }
.post-card__body time {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-40);
  font-weight: 600;
}
.post-card__body h3 { margin-top: 0.5rem; }
.post-card__body p { color: var(--body-color); font-size: 0.97rem; }
.post-card:hover h3 { color: var(--accent); }

/* ---------- Contact form ---------- */
.contact-form { margin-top: var(--space-2); }
.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}
@media (max-width: 640px) { .field-row { grid-template-columns: 1fr; } }
.field { margin-bottom: var(--space-3); }
.field label {
  display: block;
  font-weight: 570;
  color: var(--ink);
  margin-bottom: 0.4rem;
  font-size: 0.97rem;
}
.req { color: var(--error); }
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 0.7rem 0.85rem;
  border: 1.5px solid var(--line);
  border-radius: var(--radius);
  font: inherit;
  color: var(--ink);
  background: var(--paper);
  min-height: 44px;
}
.field textarea { resize: vertical; }
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-tint);
}
.field input[aria-invalid="true"],
.field textarea[aria-invalid="true"] { border-color: var(--error); }
.field__hint { font-size: 0.85rem; color: var(--ink-40); margin: 0.35rem 0 0; }
.field__error { font-size: 0.88rem; color: var(--error); margin: 0.35rem 0 0; }

.cf-turnstile { margin-bottom: var(--space-3); min-height: 65px; }

.contact-form__actions { margin-top: var(--space-1); }
.form-status { margin-top: var(--space-2); font-weight: 570; }
.form-status.is-success { color: var(--success); }
.form-status.is-error { color: var(--error); }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  padding-block: var(--space-5);
  background: var(--paper);
}
.site-footer__inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-3);
  align-items: start;
}
@media (max-width: 640px) { .site-footer__inner { grid-template-columns: 1fr; } }
.site-footer__brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--ink);
  font-weight: 570;
}
.site-footer__brand p { margin: 0; }
.site-footer__contact { text-align: right; }
@media (max-width: 640px) { .site-footer__contact { text-align: left; } }
.site-footer__contact > a {
  font-weight: 570;
  text-decoration: none;
}
.social {
  list-style: none;
  display: flex;
  gap: var(--space-2);
  margin: var(--space-2) 0 0;
  padding: 0;
}
.site-footer__contact .social { justify-content: flex-end; }
@media (max-width: 640px) { .site-footer__contact .social { justify-content: flex-start; } }
.social a {
  color: var(--ink-40);
  display: inline-flex;
  padding: 0.35rem;
}
.social a:hover { color: var(--accent); }
.site-footer__meta {
  grid-column: 1 / -1;
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  border-top: 1px solid var(--line);
  padding-top: var(--space-3);
  font-size: 0.9rem;
  color: var(--ink-40);
}
.site-footer__meta a { color: var(--ink-40); text-decoration: none; }
.site-footer__meta a:hover { color: var(--accent); }

/* ---------- Loader ---------- */
.loader {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: var(--paper);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  transition: opacity 350ms var(--ease);
}
.loader.is-done { opacity: 0; pointer-events: none; }
.loader__mark { color: var(--accent); }
.loader__text {
  font-size: 1rem;
  font-weight: 570;
  color: var(--ink);
  letter-spacing: 0.01em;
  min-height: 1.6em;
  margin: 0;
}

/* ---------- Blog pages ---------- */
.page-head { padding-block: var(--space-5) var(--space-4); }
.post-list { display: grid; gap: var(--space-4); grid-template-columns: repeat(3, 1fr); padding-bottom: var(--space-6); }
@media (max-width: 900px) { .post-list { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .post-list { grid-template-columns: 1fr; } }

.post { padding-block: var(--space-5) var(--space-6); }
.post__meta {
  display: flex;
  gap: var(--space-2);
  color: var(--ink-40);
  font-size: 0.9rem;
  margin-bottom: var(--space-3);
  flex-wrap: wrap;
}
.post__hero { border-radius: var(--radius); overflow: hidden; margin-bottom: var(--space-4); background: var(--accent-tint); }
.post__hero img { display: block; width: 100%; }
.post__content h2 { margin-top: var(--space-5); font-size: 1.5rem; }
.post__content h3 { margin-top: var(--space-4); }
.post__content ul, .post__content ol { padding-left: 1.3rem; margin-bottom: var(--space-2); }
.post__content li { margin-bottom: 0.4rem; }
.post__content blockquote {
  margin: var(--space-3) 0;
  padding: var(--space-2) var(--space-3);
  border-left: 3px solid var(--accent);
  background: var(--paper-alt);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.post__back { display: inline-block; margin-bottom: var(--space-3); }

/* ---------- Reveal on scroll ----------
   Elements are visible by default (works without JS). main.js adds
   .js-reveal to <html> only when it sets up the observer; from that
   point non-revealed elements are hidden until they intersect. */
.js-reveal .reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 480ms var(--ease), transform 480ms var(--ease);
}
.js-reveal .reveal.is-visible { opacity: 1; transform: none; }

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  .hero-line--signal, .hero-line--noise { stroke-dashoffset: 0; animation: none; }
}