/* ═══════════════════════════════════════════════════════════
   Adwat Al Najah — Building Materials Trading LLC
   Editorial-corporate. Warm paper, ink, periwinkle.
   Display: Instrument Serif · Body: Archivo · Arabic: Noto Naskh
   ═══════════════════════════════════════════════════════════ */

:root {
  --paper: #F5F2EB;
  --paper-deep: #EDE9DF;
  --ink: #16161A;
  --ink-soft: #4A4A52;
  --peri: #788CC5;
  --peri-deep: #4E5F9B;
  --peri-wash: #E4E8F4;
  --line: #D9D3C4;
  --serif: "Instrument Serif", Georgia, serif;
  --sans: "Archivo", "Helvetica Neue", sans-serif;
  --arabic: "Noto Naskh Arabic", serif;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 5.5rem; }

body {
  font-family: var(--sans);
  background: var(--paper);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: var(--peri); color: #fff; }

a:focus-visible, button:focus-visible {
  outline: 2px solid var(--peri-deep);
  outline-offset: 3px;
  border-radius: 2px;
}
.contact a:focus-visible { outline-color: var(--peri); }

.skip-link {
  position: fixed; top: -100%; left: 1rem; z-index: 300;
  background: var(--ink); color: var(--paper);
  padding: 0.7rem 1.2rem; border-radius: 0 0 8px 8px;
  text-decoration: none; font-size: 0.85rem; font-weight: 500;
  transition: top 0.25s;
}
.skip-link:focus { top: 0; }

/* ── grain overlay ── */
body::after {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none; z-index: 9999;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)' opacity='0.6'/%3E%3C/svg%3E");
}

/* ── scroll progress ── */
.progress {
  position: fixed; top: 0; left: 0; right: 0; height: 2px;
  z-index: 200; background: transparent;
}
.progress span {
  display: block; height: 100%; width: 100%;
  background: var(--peri);
  transform: scaleX(0); transform-origin: left;
}

/* ═══════════ NAV ═══════════ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.1rem clamp(1.25rem, 4vw, 3rem);
  transition: background 0.4s, box-shadow 0.4s;
}
.nav.scrolled {
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 var(--line);
  padding-top: 0.75rem; padding-bottom: 0.75rem;
}
.nav-brand {
  display: flex; align-items: center; gap: 0.7rem;
  text-decoration: none; color: var(--ink);
}
.nav-mark { height: 26px; width: auto; display: block; }
.nav-word {
  font-family: var(--serif);
  font-size: 1.25rem; letter-spacing: 0.01em; white-space: nowrap;
}
.nav-word em { color: var(--peri-deep); font-style: italic; }
.nav-links { display: flex; align-items: center; gap: clamp(1rem, 2.5vw, 2.2rem); }
.nav-links a {
  color: var(--ink); text-decoration: none;
  font-size: 0.85rem; font-weight: 500;
  letter-spacing: 0.06em; text-transform: uppercase;
  position: relative; padding: 0.2rem 0;
}
.nav-links a:not(.nav-cta)::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 100%; height: 1px; background: var(--ink);
  transform: scaleX(0); transform-origin: right;
  transition: transform 0.35s var(--ease-out);
}
.nav-links a:not(.nav-cta):hover::after { transform: scaleX(1); transform-origin: left; }
.nav-cta {
  border: 1px solid var(--ink); border-radius: 999px;
  padding: 0.55rem 1.3rem !important;
  transition: background 0.3s, color 0.3s, border-color 0.3s;
}
.nav-cta:hover { background: var(--ink); color: var(--paper) !important; }
.nav-burger { display: none; }

/* ═══════════ HERO ═══════════ */
.hero {
  display: flex; flex-direction: column; justify-content: center;
  padding: clamp(6rem, 12vh, 9rem) clamp(1.25rem, 4vw, 3rem) clamp(2rem, 5vh, 4rem);
  position: relative;
  overflow: hidden;
}
.hero-rings { position: absolute; inset: 0; pointer-events: none; }
.ring { position: absolute; border-radius: 50%; border: 1px solid var(--line); }
.ring-a {
  width: min(58vw, 780px); height: min(58vw, 780px);
  right: -12%; top: -18%;
  border-color: color-mix(in srgb, var(--peri) 38%, transparent);
  animation: drift 26s ease-in-out infinite alternate;
}
.ring-b {
  width: min(34vw, 460px); height: min(34vw, 460px);
  right: 6%; top: 30%;
  border-style: dashed;
  animation: spin 90s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes drift { from { transform: translateY(-2%); } to { transform: translateY(4%); } }

.hero-kicker {
  display: flex; align-items: center; gap: 0.6rem;
  font-size: 0.8rem; font-weight: 500;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: clamp(1.2rem, 3vh, 2.4rem);
}
.hero-kicker .dot {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--peri); flex: none;
}
.hero-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(3.4rem, 12.5vw, 10.5rem);
  line-height: 0.94;
  letter-spacing: -0.015em;
  text-wrap: balance;
}
.hero-title .line { display: block; }
.hero-title em {
  font-style: italic;
  color: var(--peri-deep);
}
.hero-foot {
  margin-top: clamp(2rem, 6vh, 4rem);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 2fr) auto;
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: end;
}
.hero-arabic {
  font-family: var(--arabic);
  font-size: clamp(1.05rem, 1.8vw, 1.45rem);
  color: var(--peri-deep);
  line-height: 1.9;
}
.hero-sub {
  max-width: 46ch;
  color: var(--ink-soft);
  font-size: clamp(0.95rem, 1.3vw, 1.1rem);
}
.hero-sub em { font-family: var(--serif); font-size: 1.12em; color: var(--ink); }
.hero-ctas { display: flex; gap: 0.8rem; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0.85rem 1.8rem; border-radius: 999px;
  font-size: 0.85rem; font-weight: 600;
  letter-spacing: 0.06em; text-transform: uppercase;
  text-decoration: none;
  transition: background 0.3s, color 0.3s, border-color 0.3s, transform 0.3s var(--ease-out);
}
.btn:hover { transform: translateY(-2px); }
.btn-solid { background: var(--ink); color: var(--paper); border: 1px solid var(--ink); }
.btn-solid:hover { background: var(--peri-deep); border-color: var(--peri-deep); }
.btn-ghost { border: 1px solid var(--ink); color: var(--ink); }
.btn-ghost:hover { background: var(--peri-wash); }

.hero-media {
  margin-top: clamp(2.5rem, 6vh, 4.5rem);
  border-radius: clamp(0.9rem, 2vw, 1.6rem);
  overflow: hidden;
  position: relative; z-index: 1;
}
.hero-media img { display: block; width: 100%; height: auto; }

/* page-load stagger */
.load-1, .load-2, .load-3, .load-4, .load-5, .load-6 {
  opacity: 0; transform: translateY(26px);
  animation: rise 1s var(--ease-out) forwards;
}
.load-1 { animation-delay: 0.1s; }
.load-2 { animation-delay: 0.25s; }
.load-3 { animation-delay: 0.38s; }
.load-4 { animation-delay: 0.51s; }
.load-5 { animation-delay: 0.75s; }
.load-6 { animation-delay: 0.9s; }
@keyframes rise { to { opacity: 1; transform: none; } }

figure.about-media, figure.industries-media, figure.service-media {
  border-radius: clamp(0.9rem, 2vw, 1.4rem);
  overflow: hidden;
}
figure.about-media img, figure.industries-media img, figure.service-media img {
  display: block; width: 100%; height: auto;
}

/* ═══════════ MARQUEE ═══════════ */
.marquee {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  background: var(--paper-deep);
  padding: 0.9rem 0;
}
.marquee-track {
  display: flex; align-items: center; gap: 2.2rem;
  width: max-content;
  animation: scroll-x 32s linear infinite;
  font-family: var(--serif);
  font-size: clamp(1.15rem, 2vw, 1.6rem);
  white-space: nowrap;
}
.marquee-track i { color: var(--peri); font-style: normal; font-size: 0.5em; }
@keyframes scroll-x { to { transform: translateX(-50%); } }

/* ═══════════ SECTIONS (shared) ═══════════ */
.section { padding: clamp(4.5rem, 11vh, 8.5rem) clamp(1.25rem, 4vw, 3rem); }
.section-head {
  display: flex; align-items: center; gap: 1rem;
  margin-bottom: clamp(2rem, 5vh, 3.5rem);
}
.section-head::after {
  content: ""; height: 1px; flex: 1; background: var(--line);
}
.section-head.light::after { background: color-mix(in srgb, #fff 22%, transparent); }
.section-label {
  font-size: 0.8rem; font-weight: 600;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--peri-deep);
}
.section-head.light .section-label { color: var(--peri-wash); }

h2 { font-family: var(--serif); font-weight: 400; letter-spacing: -0.01em; }
h2 em { font-style: italic; color: var(--peri-deep); }

/* scroll reveals */
.reveal {
  opacity: 0; transform: translateY(34px);
  transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
}
.reveal.in { opacity: 1; transform: none; }

/* ═══════════ ABOUT ═══════════ */
.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}
.about-side { position: sticky; top: 6.5rem; align-self: start; display: grid; gap: clamp(1.5rem, 3vh, 2.5rem); }
.about-title {
  font-size: clamp(2.4rem, 5.4vw, 4.6rem);
  line-height: 1.04;
  text-wrap: balance;
}
.about-body p {
  color: var(--ink-soft);
  font-size: clamp(1rem, 1.35vw, 1.15rem);
  max-width: 58ch;
}
.about-body p + p { margin-top: 1.2rem; }
.about-points {
  list-style: none;
  margin-top: clamp(1.8rem, 4vh, 2.8rem);
  border-top: 1px solid var(--line);
}
.about-points li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.6fr);
  gap: 1rem;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--line);
}
.about-points b { font-weight: 600; font-size: 0.95rem; }
.about-points span { color: var(--ink-soft); font-size: 0.92rem; }

/* ═══════════ SUPPLY ═══════════ */
.supply { background: var(--paper-deep); }
.supply-title {
  font-size: clamp(2.4rem, 5.4vw, 4.6rem);
  line-height: 1.04;
}
.supply-intro {
  color: var(--ink-soft);
  max-width: 52ch;
  margin: 1.2rem 0 clamp(2.5rem, 6vh, 4rem);
}
.supply-note {
  margin-top: clamp(1.6rem, 4vh, 2.4rem);
  color: var(--ink-soft);
  max-width: 60ch;
}
.supply-note a { color: var(--peri-deep); font-weight: 500; }
.supply-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.card {
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: clamp(1.2rem, 2.2vw, 1.9rem);
  display: flex; flex-direction: column;
  background: transparent;
  transition: background 0.35s var(--ease-out);
  position: relative;
  overflow: hidden;
}
.card::before {
  content: "";
  position: absolute; right: -60px; top: -60px;
  width: 120px; height: 120px; border-radius: 50%;
  border: 1px solid var(--peri);
  opacity: 0; transform: scale(0.6);
  transition: opacity 0.4s, transform 0.5s var(--ease-out);
}
.card:hover { background: var(--paper); }
.card:hover::before { opacity: 0.6; transform: scale(1); }
.card-no {
  font-size: 0.78rem; color: var(--peri-deep); font-weight: 600;
  letter-spacing: 0.08em;
}
.card h3 {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(1.25rem, 1.9vw, 1.6rem);
  line-height: 1.1;
  margin: 0.8rem 0 0.5rem;
}
.card p { font-size: 0.86rem; color: var(--ink-soft); line-height: 1.5; margin-bottom: 0.9rem; }
.card-items { list-style: none; border-top: 1px solid var(--line); }
.card-items li {
  font-size: 0.82rem; color: var(--ink);
  padding: 0.42rem 0; border-bottom: 1px solid var(--line);
  display: flex; align-items: baseline; gap: 0.5rem;
}
.card-items li::before { content: "·"; color: var(--peri-deep); font-weight: 600; }

/* ═══════════ INDUSTRIES ═══════════ */
.industries-grid {
  display: grid;
  grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}
.industries-title {
  font-size: clamp(2.4rem, 5.4vw, 4.6rem);
  line-height: 1.04;
}
.industries-sub {
  color: var(--ink-soft);
  margin: 1.2rem 0 clamp(1.6rem, 4vh, 2.4rem);
  max-width: 48ch;
}
.industries-list { list-style: none; border-top: 1px solid var(--line); }
.industries-list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.5fr);
  gap: 1rem;
  padding: 0.95rem 0;
  border-bottom: 1px solid var(--line);
}
.industries-list b { font-weight: 600; font-size: 0.95rem; }
.industries-list span { color: var(--ink-soft); font-size: 0.92rem; }
.industries-media { position: sticky; top: 6.5rem; }

/* ═══════════ SERVICE ═══════════ */
.service-grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: clamp(2rem, 5vw, 5rem);
}
.service-side {
  position: sticky; top: 6.5rem; align-self: start;
  display: grid; gap: clamp(1.5rem, 3vh, 2.5rem);
}
.service-title {
  font-size: clamp(2.4rem, 5.4vw, 4.6rem);
  line-height: 1.04;
}
.steps { list-style: none; }
.step {
  display: flex; gap: 1.4rem;
  padding: 1.6rem 0;
  border-bottom: 1px solid var(--line);
}
.step:first-child { padding-top: 0.4rem; }
.step-ring {
  flex: none;
  width: 52px; height: 52px; border-radius: 50%;
  border: 1px solid var(--ink);
  display: grid; place-items: center;
  font-family: var(--serif); font-size: 1.25rem;
  transition: background 0.3s, color 0.3s, border-color 0.3s;
}
.step:hover .step-ring { background: var(--peri); border-color: var(--peri); color: #fff; }
.step h3 {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(1.3rem, 2vw, 1.7rem);
  margin-bottom: 0.3rem;
}
.step p { color: var(--ink-soft); font-size: 0.95rem; max-width: 46ch; }

/* ═══════════ CONTACT ═══════════ */
.contact {
  background: var(--ink);
  color: var(--paper);
  border-radius: clamp(1.2rem, 3vw, 2.4rem);
  margin: 0 clamp(0.6rem, 1.5vw, 1.4rem) clamp(0.6rem, 1.5vw, 1.4rem);
  position: relative;
  overflow: hidden;
}
.contact::before {
  content: "";
  position: absolute;
  width: min(70vw, 900px); height: min(70vw, 900px);
  border-radius: 50%;
  border: 1px solid color-mix(in srgb, var(--peri) 45%, transparent);
  right: -20%; bottom: -55%;
  pointer-events: none;
}
.contact-title {
  font-size: clamp(2.8rem, 7vw, 6.2rem);
  line-height: 1.0;
  margin-bottom: clamp(2.5rem, 6vh, 4.5rem);
}
.contact-title em { color: var(--peri); }
.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: color-mix(in srgb, #fff 14%, transparent);
  border: 1px solid color-mix(in srgb, #fff 14%, transparent);
}
.contact-block {
  background: var(--ink);
  padding: clamp(1.4rem, 3vw, 2.2rem);
  display: flex; flex-direction: column; gap: 0.5rem;
  text-decoration: none; color: var(--paper);
  transition: background 0.3s;
}
a.contact-block:hover { background: color-mix(in srgb, var(--peri) 22%, var(--ink)); }
.contact-label {
  font-size: 0.75rem; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--peri);
}
.contact-value {
  font-family: var(--serif);
  font-size: clamp(1.15rem, 2vw, 1.55rem);
  line-height: 1.3;
}

/* ═══════════ FOOTER ═══════════ */
.footer { padding: clamp(3rem, 7vh, 5rem) clamp(1.25rem, 4vw, 3rem) clamp(1.5rem, 4vh, 2.5rem); }
.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr) minmax(0, 1.4fr);
  gap: clamp(2rem, 5vw, 4rem);
  padding-bottom: clamp(2rem, 5vh, 3rem);
  border-bottom: 1px solid var(--line);
}
.footer-mark { height: 34px; width: auto; }
.footer-arabic {
  font-family: var(--arabic);
  margin-top: 1rem;
  color: var(--ink-soft);
  font-size: 0.95rem;
}
.footer-tag { margin-top: 0.5rem; color: var(--ink-soft); font-size: 0.9rem; }
.footer-col { display: flex; flex-direction: column; gap: 0.55rem; align-items: flex-start; }
.footer-head {
  font-size: 0.75rem; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--peri-deep);
  margin-bottom: 0.4rem;
}
.footer-col a {
  color: var(--ink); text-decoration: none; font-size: 0.92rem;
}
.footer-col a:hover { color: var(--peri-deep); }
.footer-col span { color: var(--ink-soft); font-size: 0.92rem; }
.footer-line {
  padding-top: 1.4rem;
  font-size: 0.8rem;
  color: var(--ink-soft);
  letter-spacing: 0.02em;
}

/* ═══════════ RESPONSIVE ═══════════ */
@media (max-width: 980px) {
  .supply-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid, .service-grid, .industries-grid { grid-template-columns: 1fr; }
  .about-side, .service-side, .industries-media { position: static; }
  .industries-media { order: -1; }
  .hero-foot { grid-template-columns: 1fr; align-items: start; }
}
@media (max-width: 640px) {
  .nav-links {
    position: fixed; inset: 0; top: 0;
    background: var(--paper);
    flex-direction: column; justify-content: center;
    gap: 2rem; font-size: 1.1rem;
    transform: translateY(-100%);
    transition: transform 0.5s var(--ease-out);
    z-index: -1;
  }
  .nav-links.open { transform: none; }
  .nav-links a { font-size: 1.05rem; }
  .nav-burger {
    display: flex; flex-direction: column; justify-content: center; gap: 5px;
    background: none; border: none; cursor: pointer;
    width: 44px; height: 44px; align-items: center;
  }
  .nav-burger span {
    width: 24px; height: 2px; background: var(--ink);
    transition: transform 0.35s, opacity 0.35s;
  }
  .nav-burger[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
  .nav-burger[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
  .supply-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .about-points li, .industries-list li { grid-template-columns: 1fr; gap: 0.2rem; }
  .footer-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001s !important; transition-duration: 0.001s !important; }
  .reveal { opacity: 1; transform: none; }
  .load-1,.load-2,.load-3,.load-4,.load-5,.load-6 { opacity: 1; transform: none; animation: none; }
}