/* Modernist — design-system tokens and component classes.
   Imported verbatim from the Claude Design project
   "BesereOil Website Design" (_ds/modernist…/styles.css).
   Retune tokens here; page-specific styles live in home.css. */
@import url('https://fonts.googleapis.com/css2?family=Archivo:wght@400;600;800&display=swap');

:root {
  --color-bg: #f3f2f2;
  --color-surface: #eae9e9;
  --color-text: #201e1d;
  --color-accent: #ec3013;
  --color-accent-2: #e15b47;
  --color-divider: color-mix(in srgb, #201e1d 40%, transparent);

  /* Tonal ramps — generated in OKLCH on one shared lightness scale, so the
     same step of any role matches the others in visual value. */
  --color-neutral-100: #f8f4f4;
  --color-neutral-200: #eae7e7;
  --color-neutral-300: #d7d3d3;
  --color-neutral-400: #bab6b6;
  --color-neutral-500: #9b9797;
  --color-neutral-600: #7d7979;
  --color-neutral-700: #605d5d;
  --color-neutral-800: #444141;
  --color-neutral-900: #2d2b2b;

  --color-accent-100: #fff2ef;
  --color-accent-200: #ffe0d9;
  --color-accent-300: #ffc4b8;
  --color-accent-400: #ff9783;
  --color-accent-500: #ff563c;
  --color-accent-600: #dd2b0f;
  --color-accent-700: #ae1800;
  --color-accent-800: #7c1405;
  --color-accent-900: #4d170e;

  --color-accent-2-100: #fff2ef;
  --color-accent-2-200: #ffe0da;
  --color-accent-2-300: #ffc4b9;
  --color-accent-2-400: #ff9784;
  --color-accent-2-500: #ef6853;
  --color-accent-2-600: #c94b39;
  --color-accent-2-700: #9e3526;
  --color-accent-2-800: #71261b;
  --color-accent-2-900: #471d16;

  --font-heading: "Archivo", system-ui, sans-serif;
  --font-heading-weight: 800;
  --font-body: "Archivo", system-ui, sans-serif;

  --space-1: 4.0px;
  --space-2: 8.0px;
  --space-3: 12.0px;
  --space-4: 16.0px;
  --space-6: 24.0px;
  --space-8: 32.0px;

  --radius-sm: 0px;
  --radius-md: 0px;
  --radius-lg: 0px;

  --shadow-sm: 0 1px 2px color-mix(in srgb, #2d2b2b 14%, transparent);
  --shadow-md: 0 3px 10px color-mix(in srgb, #2d2b2b 16%, transparent);
  --shadow-lg: 0 12px 32px color-mix(in srgb, #2d2b2b 22%, transparent);
}

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
}
h1, h2, h3, h4 { font-family: var(--font-heading); font-weight: var(--font-heading-weight); }

.grayscale{filter:grayscale(1) contrast(1.08)}

*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; font-size: 15px; line-height: 1.55; font-weight: 400; }
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  line-height: 1.12; letter-spacing: -0.015em; margin: 0 0 var(--space-2);
}
h1 { font-size: 42px; }
h2 { font-size: 32px; }
h3 { font-size: 25px; }
h4 { font-size: 20px; }
h5 { font-size: 16px; }
h6 { font-size: 13px; }
h6 { letter-spacing: 0.08em; text-transform: uppercase; }
p { margin: 0 0 var(--space-3); }
a { color: var(--color-accent); text-underline-offset: 3px; }
img { display: block; max-width: 100%; }
figure { margin: 0; }
figcaption {
  font-size: 11px; margin-top: var(--space-1);
  color: color-mix(in srgb, var(--color-text) 55%, transparent);
}
.text-muted { color: color-mix(in srgb, var(--color-text) 55%, transparent); }
:focus { outline: none; }
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
::selection { background: color-mix(in srgb, var(--color-accent) 30%, transparent); }

/* — rules — */
.hr {
  height: 2px; border: 0; margin: var(--space-4) 0;
  background: var(--color-divider);
}

/* — buttons — */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  cursor: pointer; text-decoration: none;
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  font-size: 14px; line-height: 1.2; color: var(--color-text);
  background: transparent; border: 1px solid transparent;
  padding: var(--space-2) calc(var(--space-3) * 1.2);
  border-radius: var(--radius-md);
}
.btn svg { display: block; }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn-primary { background: var(--color-accent); color: var(--color-bg); }
.btn-primary:hover { background: var(--color-accent-600); }
.btn-primary:active { background: var(--color-accent-700); }
.btn-secondary { border-color: var(--color-divider); }
.btn-secondary:hover { background: color-mix(in srgb, var(--color-text) 7%, transparent); }
.btn-secondary:active { background: color-mix(in srgb, var(--color-text) 14%, transparent); }
.btn-ghost { color: var(--color-accent); padding-inline: var(--space-1); }
.btn-ghost:hover { background: color-mix(in srgb, var(--color-accent) 10%, transparent); }
.btn-ghost:active { background: color-mix(in srgb, var(--color-accent) 18%, transparent); }
.btn-icon { width: 36px; height: 36px; padding: 0; }
.btn-block { width: 100%; margin-top: var(--space-2); justify-content: flex-start; text-align: left; }

/* — forms — */
.field > label {
  display: block; font-size: 12px; margin-bottom: 5px;
  color: color-mix(in srgb, var(--color-text) 70%, transparent);
}
.input {
  width: 100%; min-height: 36px; padding: 6px 10px; font: inherit;
  font-size: 14px; color: var(--color-text); caret-color: var(--color-accent);
  background: var(--color-surface);
  border: 1px solid var(--color-divider); border-radius: var(--radius-md);
}
.input:hover { border-color: color-mix(in srgb, var(--color-text) 45%, transparent); }
.input:focus-visible { border-color: var(--color-accent); outline-offset: 0; }
textarea.input { min-height: 90px; resize: vertical; }
.radio { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; font-size: 14px; }
.radio input, .seg-opt input {
  position: absolute; opacity: 0; width: 0; height: 0; pointer-events: none;
}
.radio .dot {
  width: 16px; height: 16px; flex: none; border-radius: 50%;
  border: 1.5px solid var(--color-divider);
}
.radio:hover .dot { border-color: var(--color-accent); }
.radio input:checked + .dot {
  border-color: var(--color-accent); background: var(--color-accent);
  box-shadow: inset 0 0 0 4px var(--color-bg);
}
.radio input:focus-visible + .dot { outline: 2px solid var(--color-accent); outline-offset: 2px; }
.seg {
  display: inline-flex; overflow: hidden;
  border: 1px solid var(--color-divider); border-radius: var(--radius-md);
}
.seg-opt {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 12px; font-size: 13px; cursor: pointer;
}
.seg-opt + .seg-opt { border-left: 1px solid var(--color-divider); }
.seg-opt:has(input:checked) { background: var(--color-accent); color: var(--color-bg); }
.seg-opt:not(:has(input:checked)):hover { background: color-mix(in srgb, var(--color-text) 7%, transparent); }
.seg-opt:has(input:focus-visible) { outline: 2px solid var(--color-accent); outline-offset: -2px; }

/* — cards — */
.card {
  display: flex; flex-direction: column; gap: var(--space-2);
  padding: var(--space-3); border-radius: var(--radius-md); background: var(--color-surface);
}
.card-kicker { font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-accent); }
.card-title {
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  font-size: 17px; line-height: 1.2;
}
.card-body { margin: 0; font-size: 13px; opacity: 0.8; flex: 1; }
.card-meta {
  display: flex; align-items: center; gap: 6px; font-size: 11px;
  color: color-mix(in srgb, var(--color-text) 50%, transparent);
}
.elev-sm { box-shadow: var(--shadow-sm); }
.elev-md { box-shadow: var(--shadow-md); }
.elev-lg { box-shadow: var(--shadow-lg); }

/* — tags — */
.tag {
  display: inline-flex; align-items: center; font-size: 11px;
  letter-spacing: 0.02em; padding: 3px 10px;
  border-radius: calc(var(--radius-md) * 0.75);
}
.tag-accent { background: var(--color-accent-100); color: var(--color-accent-800); }
.tag-accent-2 { background: var(--color-accent-2-100); color: var(--color-accent-2-800); }
.tag-neutral { background: var(--color-neutral-100); color: var(--color-neutral-800); }
.tag-outline { border: 1px solid var(--color-accent); color: var(--color-accent); }

/* — navigation — */
.nav {
  display: flex; align-items: center; gap: var(--space-4);
  padding: var(--space-3) var(--space-4);
  border-bottom: 2px solid var(--color-divider);
}
.nav-brand {
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  font-size: 18px; margin-right: auto;
}
.nav a { color: inherit; text-decoration: none; font-size: 14px; }
.nav a:hover, .nav a[aria-current='page'] { color: var(--color-accent); }

/* — tables — */
.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th {
  text-align: left; font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase;
  color: color-mix(in srgb, var(--color-text) 60%, transparent);
  padding: var(--space-2); border-bottom: 2px solid var(--color-divider);
}
.table td {
  padding: var(--space-2);
  border-bottom: 1px solid var(--color-divider);
}
.table tbody tr:hover { background: color-mix(in srgb, var(--color-text) 4%, transparent); }

/* — dialog — */
.dialog-backdrop {
  position: fixed; inset: 0; display: grid; place-items: center;
  padding: var(--space-4);
  background: color-mix(in srgb, var(--color-neutral-900) 50%, transparent);
}
.dialog {
  width: min(440px, 100%); display: flex; flex-direction: column; gap: var(--space-3);
  padding: var(--space-4); border-radius: var(--radius-lg);
  background: var(--color-surface); box-shadow: var(--shadow-lg);
}
.dialog-title {
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  font-size: 20px;
}
.dialog-body { font-size: 14px; opacity: 0.85; }
.dialog-actions { display: flex; justify-content: flex-end; gap: var(--space-2); margin-top: var(--space-2); }

/* — certifications: dark band with a snap-scrolling rail of plates — */
.certs-band {
  background:
    repeating-linear-gradient(to right,
      color-mix(in srgb, var(--color-bg) 5%, transparent) 0,
      color-mix(in srgb, var(--color-bg) 5%, transparent) 0.0625rem,
      transparent 0.0625rem, transparent 8rem),
    var(--color-neutral-900);
  color: var(--color-bg);
  border-bottom: calc(var(--space-1) / 2) solid var(--color-divider);
}
.certs-band-inner {
  max-width: 78rem; margin-inline: auto;
  padding: calc(var(--space-8) * 1.6) clamp(var(--space-4), 4vw, var(--space-8));
}
.certs-band h6 { color: var(--color-accent-400); margin: 0 0 var(--space-2); }
.certs-band h2 { color: var(--color-bg); margin: 0 0 var(--space-2); }
.certs-band .certs-note { color: var(--color-neutral-400); max-width: 58ch; margin: 0 0 var(--space-8); }
.certs-rail {
  display: grid; grid-auto-flow: column; grid-auto-columns: minmax(9.5rem, 1fr);
  gap: calc(var(--space-1) / 4);
  overflow-x: auto; overscroll-behavior-x: contain;
  scroll-snap-type: x mandatory; scrollbar-width: none;
  background: color-mix(in srgb, var(--color-bg) 16%, transparent);
  border: calc(var(--space-1) / 4) solid color-mix(in srgb, var(--color-bg) 16%, transparent);
}
.certs-rail::-webkit-scrollbar { display: none; }
.cert-plate {
  scroll-snap-align: start;
  background: var(--color-neutral-900);
  padding: var(--space-6) var(--space-4);
  display: flex; flex-direction: column; gap: var(--space-1);
  min-width: 0;
}
.cert-plate svg { color: var(--color-accent); margin-bottom: var(--space-2); }
.cert-iso {
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  font-size: 0.66rem; letter-spacing: 0.18em; color: var(--color-accent-400);
}
.cert-num {
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  font-size: clamp(1.9rem, 2.6vw, 2.6rem); line-height: 1.05; letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums; color: var(--color-bg);
}
.cert-t { font-size: 0.82rem; line-height: 1.35; color: var(--color-neutral-400); }
@media (max-width: 899px) {
  .certs-rail { grid-auto-columns: 42vw; }
}
@media (max-width: 560px) {
  .certs-rail { grid-auto-columns: 58vw; }
}

/* — page transition wipe (transition.js drives the classes) — */
.pwipe {
  position: fixed; inset: 0; z-index: 300; pointer-events: none;
  background: var(--color-neutral-900);
  transform: translateY(103%);
}
.pwipe::after {
  content: ""; position: absolute; left: 0; right: 0; top: -0.25rem; height: 0.25rem;
  background: var(--color-accent);
}
.pwipe-cover { transform: translateY(0); }
.pwipe-out { animation: pwipeOut 0.55s cubic-bezier(0.77, 0, 0.18, 1) both; }
.pwipe-in { animation: pwipeIn 0.4s cubic-bezier(0.77, 0, 0.18, 1) both; }
@keyframes pwipeOut { from { transform: translateY(0); } to { transform: translateY(-103%); } }
@keyframes pwipeIn { from { transform: translateY(103%); } to { transform: translateY(0); } }

/* — certs rail swipe hint (small screens, where the rail scrolls) — */
.certs-hint {
  display: none; align-items: center; gap: var(--space-2); justify-content: flex-end;
  margin-top: var(--space-3);
  color: var(--color-neutral-500);
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  font-size: 0.68rem; letter-spacing: 0.16em; text-transform: uppercase;
}
.certs-hint svg { animation: hintNudge 1.1s ease-in-out infinite alternate; }
[dir="rtl"] .certs-hint svg { animation-name: hintNudgeRtl; }
@keyframes hintNudge { from { transform: translateX(0); } to { transform: translateX(6px); } }
@keyframes hintNudgeRtl { from { transform: scaleX(-1) translateX(0); } to { transform: scaleX(-1) translateX(6px); } }
@media (max-width: 899px) { .certs-hint { display: flex; } }
@media (prefers-reduced-motion: reduce) { .certs-hint svg { animation: none; } }

/* — the logo film: cover on landscape, contain on portrait so the whole
     mark stays visible; the letterbox blends into the studio void — */
.logo-video { object-fit: cover; }
@media (max-aspect-ratio: 4/5) {
  .hero-logo { background: #0b0b0c !important; }
  .hero-logo .logo-video { object-fit: contain !important; }
}

/* — hero videos fade in once actually playing; dark hero stands until then — */
.hero-media video, .ihero-media video { opacity: 0; transition: opacity 0.9s ease; }
.hero-media video.is-ready, .ihero-media video.is-ready { opacity: 1; }

/* — progress indicator: a hairline track with a sliding accent dash — */
.prog-line {
  position: relative; display: block;
  width: 4.5rem; height: 0.0625rem;
  background: color-mix(in srgb, var(--color-bg) 25%, transparent);
}
.prog-dash {
  position: absolute; top: -0.0625rem; left: 0;
  width: 1.25rem; height: 0.1875rem;
  background: var(--color-accent);
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}
[dir="rtl"] .prog-line { transform: scaleX(-1); } /* dash travels the reading direction */
/* until the first swipe, the certs dash glides as an invitation */
.certs-hint .prog-dash:not(.is-live) { animation: dashHint 1.9s ease-in-out infinite alternate; }
@keyframes dashHint { from { transform: translateX(0); } to { transform: translateX(2.2rem); } }
@media (prefers-reduced-motion: reduce) { .prog-dash { animation: none !important; transition: none; } }