/* OpenHikma landing — Manuscript Modern (light) / Midnight & Gold (dark).
 * Tokens and ornament rules follow DESIGN.md: one emerald accent, brass/gold
 * ornament, warm neutrals, line-work only, radius 7px controls / 11px cards. */

:root {
  --bg: #faf7f0;
  --surface: #fffdf8;
  --band: #f3efe5;
  --ink: #23271f;
  --muted: #6c6e60;
  --line: #e7e2d4;
  --line-strong: #d9d3c1;
  --accent: #0e6b54;
  --accent-soft: #e3efe7;
  --accent-strong: #0a5743;
  --gold: #a98942;
  --gold-line: #d9c79a;
  --gold-ink: #8a6d2c;
  --error: #a32d2d;

  --font-serif: "Source Serif 4", "Iowan Old Style", Georgia, serif;
  --font-sans: "Geist", "Avenir Next", system-ui, sans-serif;
  --font-arabic: "Amiri", "Geeza Pro", "Noto Naskh Arabic", serif;
  --font-farsi: "Vazirmatn", "Geeza Pro", sans-serif;

  --radius-control: 7px;
  --radius-card: 11px;

  --gutter: clamp(1rem, 4vw, 3rem);
  --content-max: 74rem;

  --dur: 180ms;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1a16;
    --surface: #142420;
    --band: #0a140f;
    --ink: #eae3d0;
    --muted: #8c9a8c;
    --line: #21332c;
    --line-strong: #2e443b;
    --accent: #c9a24b;
    --accent-soft: rgba(201, 162, 75, 0.12);
    --accent-strong: #d9b96b;
    --gold: #c9a24b;
    --gold-line: #4e4023;
    --gold-ink: #c9a24b;
    --error: #e08585;
  }
}

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

html {
  color-scheme: light dark;
  scroll-behavior: smooth;
}

html,
body {
  overflow-x: clip;
}

body {
  margin: 0;
  min-width: 20rem;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.15;
  overflow-wrap: anywhere;
}

.site-width {
  width: min(100%, var(--content-max));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.skip-link {
  position: fixed;
  inset-block-start: 0.75rem;
  inset-inline-start: 0.75rem;
  z-index: 100;
  padding: 0.5rem 0.85rem;
  background: var(--ink);
  color: var(--bg);
  border-radius: var(--radius-control);
  transform: translateY(-250%);
}

.skip-link:focus {
  transform: none;
}

/* ------------------------------------------------------------------ shamsa */
.shamsa--brand {
  width: 2rem;
  height: 2rem;
}

.shamsa--footer {
  width: 2.5rem;
  height: 2.5rem;
}

.shamsa--draw circle,
.shamsa--draw path:not(.shamsa__star) {
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
  animation: shamsa-draw 0.7s var(--ease) forwards;
}

.shamsa--draw .shamsa__petals path {
  animation-delay: 180ms;
}

.shamsa--draw .shamsa__rays path {
  animation-delay: 360ms;
}

.shamsa__star {
  opacity: 0.9;
}

.shamsa--draw .shamsa__star {
  opacity: 0;
  animation: shamsa-star 0.4s 600ms var(--ease) forwards;
}

@keyframes shamsa-draw {
  to { stroke-dashoffset: 0; }
}

@keyframes shamsa-star {
  to { opacity: 0.9; }
}

/* ------------------------------------------------------------------ topbar */
.topbar {
  border-block-end: 1px solid var(--line);
  background: var(--bg);
}

.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 0.9rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--accent);
}

.brand__word {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.01em;
}

.topbar__nav {
  position: relative;
  display: flex;
  align-items: center;
  gap: clamp(0.9rem, 3vw, 2rem);
  padding-inline-end: 1.75rem;
}

.topbar__nav a {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--dur) var(--ease);
}

.topbar__nav a:hover {
  color: var(--accent);
}

.topbar__seal {
  position: absolute;
  inset-inline-end: 0;
  inset-block: 0;
  margin: 0;
  padding: 0 0.35rem;
  display: inline-flex;
  align-items: center;
  border: 0;
  background: none;
  color: var(--line-strong);
  font-size: 0.85rem;
  line-height: 1;
  cursor: pointer;
  transition: color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.topbar__seal:hover,
.topbar__seal:focus-visible {
  color: var(--gold);
}

.topbar__seal[aria-expanded="true"] {
  color: var(--gold);
  transform: rotate(45deg);
}

/* -------------------------------------------------------------------- gate */
.gate {
  display: grid;
  grid-template-rows: 0fr;
  justify-items: center;
  visibility: hidden;
  opacity: 0;
  transition:
    grid-template-rows 0.4s var(--ease),
    opacity 0.4s var(--ease),
    visibility 0s linear 0.4s;
}

.gate.is-open {
  visibility: visible;
  opacity: 1;
  grid-template-rows: 1fr;
  transition:
    grid-template-rows 0.4s var(--ease),
    opacity 0.4s var(--ease);
}

.gate__inner {
  min-width: 0;
  overflow: hidden;
  text-align: center;
}

.gate__links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding-block: 1rem 1.25rem;
}

.gate__link {
  padding: 0.45rem 1.1rem;
  border: 1px solid var(--accent);
  border-radius: var(--radius-control);
  background: var(--accent);
  color: var(--bg);
  font: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1.4;
  text-decoration: none;
  cursor: pointer;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.gate__link:hover,
.gate__link:focus-visible {
  background: var(--accent-strong);
  border-color: var(--accent-strong);
}

.gate__link--secondary {
  background: transparent;
  border-color: var(--line-strong);
  color: var(--ink);
}

.gate__link--secondary:hover,
.gate__link--secondary:focus-visible {
  background: transparent;
  border-color: var(--accent);
  color: var(--accent);
}

/* -------------------------------------------------------------------- hero */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
  padding-block: clamp(3rem, 7vw, 5.5rem);
}

.hero__eyebrow {
  margin: 0 0 1rem;
  color: var(--gold-ink);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.hero h1 {
  font-size: clamp(2.3rem, 4.6vw, 3.6rem);
  letter-spacing: -0.015em;
  text-wrap: balance;
}

.hero__lede {
  max-width: 34rem;
  margin: 1.4rem 0 0;
  color: var(--muted);
  font-size: 1.1rem;
  line-height: 1.7;
}

.hero__note {
  display: inline-block;
  margin: 1.75rem 0 0;
  padding: 0.4rem 0.85rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.85rem;
}

.hero__figure {
  margin: 0;
  border: 1px solid var(--gold-line);
  border-radius: var(--radius-card);
  padding: 0.5rem;
  background: var(--surface);
}

.hero__figure img {
  width: 100%;
  height: 100%;
  border-radius: calc(var(--radius-card) - 4px);
  object-fit: cover;
}

/* --------------------------------------------------------------- ayah band */
.ayah-band {
  padding-block: clamp(2.5rem, 5vw, 4rem);
}

.ayah-band__label {
  margin: 0 0 1.5rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.ayah-band__frame {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Illuminated Quran frame: gold hairline + corner ticks + a small medallion
   cutting the top border (DESIGN.md — reserved exclusively for verses). */
.ayah-card {
  position: relative;
  flex: 1;
  min-width: 0;
  max-width: 56rem;
  margin-inline: clamp(2.5rem, 7vw, 5.5rem);
  padding: clamp(2rem, 5vw, 3.25rem) clamp(1.5rem, 5vw, 4rem);
  border: 1px solid var(--gold-line);
  border-radius: var(--radius-card);
  background: var(--surface);
}

.ayah-card::before,
.ayah-card::after,
.ayah-band__content::before,
.ayah-band__content::after {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  border: 1px solid var(--gold);
  pointer-events: none;
}

.ayah-card::before {
  top: -1px;
  left: -1px;
  border-width: 1px 0 0 1px;
  border-top-left-radius: var(--radius-card);
}

.ayah-card::after {
  top: -1px;
  right: -1px;
  border-width: 1px 1px 0 0;
  border-top-right-radius: var(--radius-card);
}

.ayah-band__content::before {
  bottom: -1px;
  left: -1px;
  border-width: 0 0 1px 1px;
  border-bottom-left-radius: var(--radius-card);
}

.ayah-band__content::after {
  bottom: -1px;
  right: -1px;
  border-width: 0 1px 1px 0;
  border-bottom-right-radius: var(--radius-card);
}

.ayah-card__medallion {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translate(-50%, -55%);
  padding-inline: 0.6rem;
  background: var(--surface);
  color: var(--gold);
  font-size: 0.8rem;
  line-height: 1;
}

.ayah-band__content {
  /* static positioning context stays the card; pseudo corners anchor to card */
  position: static;
  text-align: center;
  transition: opacity 0.22s var(--ease);
}

.ayah-band__content.is-changing {
  opacity: 0;
}

.ayah-band__arabic {
  max-width: 40rem;
  margin: 0 auto;
  font-family: var(--font-arabic);
  font-size: clamp(1.5rem, 3vw, 1.9rem);
  line-height: 2.1;
}

.ayah-band__text {
  max-width: 52ch;
  margin: 1.25rem auto 0;
  font-family: var(--font-serif);
  font-size: 1.15rem;
  line-height: 1.5;
}

.ayah-band__text--fa {
  max-width: 38rem;
  color: var(--muted);
  font-family: var(--font-farsi);
  font-size: 1.05rem;
  line-height: 2;
}

.ayah-band__meta {
  margin: 1.25rem auto 0;
  color: var(--muted);
  font-size: 0.85rem;
}

.ayah-nav {
  position: absolute;
  inset-block: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  width: clamp(2.5rem, 7vw, 5rem);
  margin: 0;
  padding: 0;
  border: 0;
  background: none;
  color: var(--ink);
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.22s var(--ease);
}

.ayah-nav--prev {
  inset-inline-start: calc(var(--gutter) * -0.4);
}

.ayah-nav--next {
  inset-inline-end: calc(var(--gutter) * -0.4);
}

.ayah-nav svg {
  width: clamp(2rem, 4.5vw, 3.5rem);
  height: auto;
  opacity: 0.28;
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.ayah-band__frame:hover .ayah-nav,
.ayah-nav:focus-visible {
  opacity: 1;
}

.ayah-nav:hover svg,
.ayah-nav:focus-visible svg {
  opacity: 0.85;
}

.ayah-nav--prev:hover svg {
  transform: translateX(-3px);
}

.ayah-nav--next:hover svg {
  transform: translateX(3px);
}

@media (hover: none) {
  .ayah-nav {
    opacity: 1;
  }

  .ayah-nav svg {
    opacity: 0.4;
  }
}

/* ---------------------------------------------------------------- sections */
.section-head {
  max-width: 44rem;
  margin-block-end: clamp(2rem, 4vw, 3rem);
}

.section-head h2 {
  font-size: clamp(1.7rem, 3.2vw, 2.4rem);
  letter-spacing: -0.01em;
}

.section-head p {
  margin: 0.75rem 0 0;
  color: var(--muted);
  font-size: 1.05rem;
}

/* ---------------------------------------------------------------- features */
.features {
  padding-block: clamp(2.5rem, 6vw, 5rem);
  border-block-start: 1px solid var(--line);
}

.feature-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
}

.feature {
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--surface);
  transition: border-color var(--dur) var(--ease);
}

.feature:hover {
  border-color: var(--line-strong);
}

.feature__icon {
  width: 1.6rem;
  height: 1.6rem;
  color: var(--accent);
}

.feature h3 {
  margin: 0.9rem 0 0.4rem;
  font-size: 1.15rem;
}

.feature p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

.feature[data-reveal] {
  opacity: 0;
  transform: translateY(0.6rem);
  transition: opacity 0.45s var(--ease), transform 0.45s var(--ease), border-color var(--dur) var(--ease);
}

.feature[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* --------------------------------------------------------------------- how */
.how {
  padding-block: clamp(2.5rem, 6vw, 5rem);
}

.eslimi {
  display: block;
  width: min(100%, 32rem);
  margin: 0 auto clamp(2rem, 5vw, 3.5rem);
  color: var(--gold);
}

.how .section-head {
  margin-inline: auto;
  text-align: center;
}

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1.5rem, 4vw, 3rem);
}

.step {
  text-align: center;
}

.step__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  border: 1px solid var(--gold-line);
  border-radius: 999px;
  color: var(--gold-ink);
  font-family: var(--font-arabic);
  font-size: 1.4rem;
  line-height: 1;
}

.step h3 {
  margin: 1rem 0 0.4rem;
  font-size: 1.2rem;
}

.step p {
  max-width: 26rem;
  margin: 0 auto;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

.step[data-reveal] {
  opacity: 0;
  transform: translateY(0.6rem);
  transition: opacity 0.45s var(--ease), transform 0.45s var(--ease);
}

.step[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* ------------------------------------------------------------------ footer */
.footer {
  border-block-start: 1px solid var(--line);
  background: var(--band);
}

.footer__inner {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1.5rem;
  padding-block: clamp(2rem, 5vw, 3rem);
}

.footer__brand {
  color: var(--gold);
}

.footer__word {
  margin: 0.75rem 0 0;
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--ink);
}

.footer__tag {
  margin: 0.2rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.footer__nav a {
  color: var(--muted);
  font-size: 0.9rem;
  transition: color var(--dur) var(--ease);
}

.footer__nav a:hover {
  color: var(--accent);
}

/* -------------------------------------------------------------- responsive */
@media (max-width: 56rem) {
  .hero {
    grid-template-columns: minmax(0, 1fr);
    padding-block-start: 2.5rem;
  }

  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .steps {
    grid-template-columns: minmax(0, 1fr);
  }

  .step p {
    max-width: 30rem;
  }
}

@media (max-width: 38rem) {
  .topbar__nav {
    gap: 0.85rem;
  }

  .topbar__nav a {
    font-size: 0.85rem;
  }

  .feature-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .footer__inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .ayah-card {
    margin-inline: 1.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    animation-delay: 0ms !important;
    transition-duration: 1ms !important;
  }

  .shamsa--draw circle,
  .shamsa--draw path {
    animation: none;
    stroke-dashoffset: 0;
    opacity: 0.9;
  }

  .feature[data-reveal],
  .step[data-reveal] {
    opacity: 1;
    transform: none;
  }
}