/* =========================================================
   AL TALAAT · Architectural Lighting Consultancy
   ========================================================= */

/* ---------- Tokens ---------- */
:root {
  /* Surfaces */
  --bg-0: #FAF7FF;
  --bg-1: #FFFFFF;
  --bg-2: #F4EEFB;
  --bg-3: #EBE1F7;

  /* Violet spectrum */
  --warm-0: #F3E8FF;
  --warm-1: #C4A5FF;
  --warm-2: #7C3AED;
  --warm-3: #5B21B6;
  --warm-4: #3B0F7A;

  /* Text */
  --ink: #1E0A3C;
  --ink-dim: #4C3A6E;
  --ink-mute: #8277A8;
  --ink-faint: #D4C9E5;

  /* Strokes */
  --line: rgba(124, 58, 237, 0.12);
  --line-strong: rgba(124, 58, 237, 0.25);

  /* Glow */
  --glow-warm: 0 0 80px rgba(124, 58, 237, 0.25);

  /* Type */
  --ff-display: "Fraunces", "Times New Roman", serif;
  --ff-body: "Manrope", system-ui, -apple-system, sans-serif;
  --ff-arabic: "Amiri", serif;
  --ff-mono: "JetBrains Mono", ui-monospace, monospace;

  /* Layout */
  --pad: clamp(1.25rem, 4vw, 2.5rem);
  --gutter: clamp(1.5rem, 4vw, 3rem);
  --max: 1440px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; text-rendering: geometricPrecision; }
body {
  font-family: var(--ff-body);
  font-weight: 300;
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg-0);
  overflow-x: hidden;
  min-height: 100vh;
}
img, svg { display: block; max-width: 100%; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
input, textarea, select, button { font: inherit; color: inherit; }

::selection { background: var(--warm-2); color: var(--bg-0); }

/* ---------- Atmosphere ---------- */
.grain {
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 100;
  opacity: 0.05;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}
.vignette {
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 99;
  background: radial-gradient(ellipse at center, transparent 40%, rgba(124, 58, 237, 0.10) 100%);
}
.cursor-light {
  position: fixed;
  width: 500px; height: 500px;
  pointer-events: none;
  z-index: 1;
  top: 0; left: 0;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(124, 58, 237, 0.05) 0%, transparent 60%);
  transition: opacity 400ms ease;
  opacity: 0;
  will-change: transform;
}
@media (hover: hover) and (pointer: fine) {
  body:hover .cursor-light { opacity: 1; }
}

/* ---------- Typography ---------- */
.h-display {
  font-family: var(--ff-display);
  font-weight: 300;
  font-size: clamp(2rem, 5vw, 4rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
  font-variation-settings: "opsz" 144, "SOFT" 50;
  color: var(--ink);
}
.h-display em {
  font-style: italic;
  font-variation-settings: "opsz" 144, "SOFT" 80, "WONK" 1;
  color: var(--warm-2);
  font-weight: 300;
}
em { font-style: italic; }

/* ---------- Section head eyebrow ---------- */
.section-head {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0 var(--pad);
  max-width: var(--max);
  margin: 0 auto 3rem;
  font-family: var(--ff-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-dim);
}
.section-head__num {
  color: var(--warm-2);
  font-style: italic;
  font-family: var(--ff-display);
  font-size: 0.9rem;
  letter-spacing: 0;
}
.section-head::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, var(--line-strong), transparent);
  max-width: 200px;
}

/* =========================================================
   NAV
   ========================================================= */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem var(--pad);
  transition: background 400ms ease, backdrop-filter 400ms ease, padding 400ms ease;
}
.nav.is-scrolled {
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(20px) saturate(1.2);
  -webkit-backdrop-filter: blur(20px) saturate(1.2);
  padding: 0.85rem var(--pad);
  border-bottom: 1px solid var(--line);
}
.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}
.nav__wordmark { display: flex; flex-direction: column; line-height: 1; }
.nav__name {
  font-family: var(--ff-display);
  font-weight: 400;
  font-variation-settings: "opsz" 144;
  font-size: 0.95rem;
  letter-spacing: 0.18em;
  color: var(--ink);
}
.nav__sub {
  margin-top: 0.25rem;
  font-family: var(--ff-mono);
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.nav__links {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav__links a {
  font-size: 0.82rem;
  letter-spacing: 0.05em;
  color: var(--ink-dim);
  transition: color 200ms ease;
  position: relative;
}
.nav__links a:not(.nav__cta):hover { color: var(--warm-1); }
.nav__links a:not(.nav__cta)::after {
  content: "";
  position: absolute;
  bottom: -6px; left: 0;
  width: 0; height: 1px;
  background: var(--warm-2);
  transition: width 300ms ease;
}
.nav__links a:not(.nav__cta):hover::after { width: 100%; }

.nav__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.1rem;
  border: 1px solid var(--line-strong);
  border-radius: 100px;
  color: var(--ink) !important;
  font-size: 0.78rem !important;
  transition: all 300ms ease;
  background: transparent;
}
.nav__cta:hover {
  background: var(--warm-2);
  border-color: var(--warm-2);
  color: var(--bg-0) !important;
}
.nav__menu { display: none; }

/* =========================================================
   HERO
   ========================================================= */
.hero {
  position: relative;
  min-height: auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 7rem var(--pad) 4rem;
  overflow: hidden;
  isolation: isolate;
}

.hero__light {
  position: absolute;
  top: -10%;
  left: 50%;
  transform: translateX(-50%);
  width: 90vw;
  height: 90vw;
  max-width: 1200px;
  max-height: 1200px;
  background: radial-gradient(
    circle,
    rgba(124, 58, 237, 0.12) 0%,
    rgba(124, 58, 237, 0.05) 25%,
    transparent 60%
  );
  pointer-events: none;
  z-index: -2;
  animation: breathe 8s ease-in-out infinite;
}
@keyframes breathe {
  0%, 100% { opacity: 0.9; transform: translateX(-50%) scale(1); }
  50% { opacity: 1; transform: translateX(-50%) scale(1.05); }
}

.hero__beam {
  position: absolute;
  top: -20%;
  left: 20%;
  width: 2px;
  height: 140vh;
  background: linear-gradient(
    to bottom,
    transparent 0%,
    rgba(124, 58, 237, 0.2) 20%,
    rgba(124, 58, 237, 0.4) 50%,
    rgba(124, 58, 237, 0.15) 80%,
    transparent 100%
  );
  transform: rotate(12deg);
  filter: blur(1px);
  z-index: -1;
  opacity: 0.7;
}
.hero__beam::before {
  content: "";
  position: absolute;
  inset: 0;
  width: 60px;
  transform: translateX(-30px);
  background: linear-gradient(
    to bottom,
    transparent,
    rgba(124, 58, 237, 0.04),
    transparent
  );
  filter: blur(20px);
}

.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
  z-index: -1;
  opacity: 0.5;
}

.hero__arabic {
  position: absolute;
  right: -2vw;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--ff-arabic);
  font-size: clamp(12rem, 30vw, 28rem);
  color: transparent;
  -webkit-text-stroke: 1px rgba(124, 58, 237, 0.06);
  line-height: 1;
  pointer-events: none;
  z-index: -1;
  font-weight: 400;
  white-space: nowrap;
}

.hero__content {
  max-width: var(--max);
  width: 100%;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--ff-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-dim);
  margin-bottom: 3rem;
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 100px;
  background: rgba(244, 238, 251, 0.7);
  backdrop-filter: blur(4px);
  opacity: 0;
  animation: riseIn 900ms 200ms forwards ease-out;
}
.hero__eyebrow .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--warm-2);
  box-shadow: 0 0 10px var(--warm-2);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero__title {
  font-family: var(--ff-display);
  font-weight: 300;
  font-size: clamp(3.5rem, 11vw, 10rem);
  line-height: 0.92;
  letter-spacing: -0.035em;
  font-variation-settings: "opsz" 144, "SOFT" 30;
  margin-bottom: 2rem;
}
.hero__title .line {
  display: block;
  overflow: hidden;
}
.hero__title .line > * {
  display: inline-block;
  opacity: 0;
  transform: translateY(100%);
  animation: riseIn 1200ms forwards cubic-bezier(0.2, 0.9, 0.3, 1);
}
.hero__title .line:nth-child(1) > * { animation-delay: 400ms; }
.hero__title .line:nth-child(2) > * { animation-delay: 550ms; }
.hero__title em {
  font-style: italic;
  color: var(--warm-2);
  font-variation-settings: "opsz" 144, "SOFT" 100, "WONK" 1;
  position: relative;
  padding-right: 0.15em;
}

@keyframes riseIn {
  to { opacity: 1; transform: translateY(0); }
}

.hero__lede {
  font-size: clamp(1rem, 1.3vw, 1.15rem);
  line-height: 1.55;
  color: var(--ink-dim);
  max-width: 36rem;
  margin-bottom: 3rem;
  opacity: 0;
  animation: riseIn 900ms 750ms forwards ease-out;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2rem;
  opacity: 0;
  animation: riseIn 900ms 900ms forwards ease-out;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.95rem 1.4rem;
  font-size: 0.88rem;
  letter-spacing: 0.03em;
  border-radius: 100px;
  transition: all 300ms cubic-bezier(0.2, 0.8, 0.2, 1);
  white-space: nowrap;
}
.btn--primary {
  background: var(--warm-2);
  color: var(--bg-0);
  font-weight: 500;
}
.btn--primary:hover {
  background: var(--warm-3);
  transform: translateY(-1px);
  box-shadow: 0 10px 30px -10px rgba(124, 58, 237, 0.5);
}
.btn--primary svg { transition: transform 300ms; }
.btn--primary:hover svg { transform: translateX(3px); }

.btn--ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line-strong);
}
.btn--ghost:hover {
  border-color: var(--warm-2);
  color: var(--warm-2);
}
.btn--wide { width: 100%; justify-content: center; padding: 1.1rem 1.4rem; }

.hero__meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2rem;
  max-width: 44rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--line);
  opacity: 0;
  animation: riseIn 900ms 1100ms forwards ease-out;
}
.hero__meta > div {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.hero__meta .num {
  font-family: var(--ff-display);
  font-size: 1.75rem;
  line-height: 1;
  color: var(--warm-2);
  font-weight: 300;
  font-variation-settings: "opsz" 144, "SOFT" 100;
  font-style: italic;
}
.hero__meta .lbl {
  font-family: var(--ff-mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-mute);
  line-height: 1.45;
}

.hero__scroll {
  position: absolute;
  bottom: 2rem;
  right: var(--pad);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--ff-mono);
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--ink-mute);
  z-index: 2;
}
.hero__scroll-line {
  width: 1px; height: 60px;
  background: var(--line-strong);
  position: relative;
  overflow: hidden;
}
.hero__scroll-line::after {
  content: "";
  position: absolute;
  top: -60px;
  left: 0;
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, transparent, var(--warm-2), transparent);
  animation: scrollDown 2s ease-in-out infinite;
}
.hero__feature {
  width: 100%;
  max-width: 600px;
  height: auto;
  border-radius: 4px;
  opacity: 0;
  animation: riseIn 1000ms 1000ms forwards ease-out;
}

@keyframes scrollDown {
  0% { top: -60px; }
  100% { top: 60px; }
}

/* =========================================================
   LEGACY
   ========================================================= */
.legacy {
  padding: 5rem 0 5rem;
  position: relative;
  border-top: 1px solid var(--line);
  background: linear-gradient(to bottom, var(--bg-0) 0%, var(--bg-1) 100%);
}

.legacy__inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--pad);
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: var(--gutter);
  align-items: start;
}

.legacy__mark {
  position: sticky;
  top: 7rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 2rem;
}
.legacy__arabic {
  font-family: var(--ff-arabic);
  font-size: clamp(6rem, 12vw, 11rem);
  color: var(--warm-2);
  font-weight: 400;
  line-height: 1;
  text-shadow: 0 0 60px rgba(124, 58, 237, 0.2);
  animation: glow 4s ease-in-out infinite;
}
@keyframes glow {
  0%, 100% { text-shadow: 0 0 60px rgba(124, 58, 237, 0.2); }
  50% { text-shadow: 0 0 80px rgba(124, 58, 237, 0.35); }
}

.legacy__etym {
  margin-top: 3rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  font-family: var(--ff-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--ink-mute);
  max-width: 280px;
}
.legacy__etym .root { color: var(--warm-3); text-transform: uppercase; letter-spacing: 0.2em; font-size: 0.62rem; }
.legacy__etym .word { font-family: var(--ff-arabic); font-size: 1.6rem; color: var(--ink); letter-spacing: 0.2em; }
.legacy__etym .meaning { font-style: italic; font-family: var(--ff-display); font-size: 0.95rem; color: var(--ink-dim); letter-spacing: 0; text-transform: none; }

.legacy__body .h-display { margin-bottom: 2.5rem; }
.legacy__body p {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--ink-dim);
  margin-bottom: 1.4rem;
  max-width: 36rem;
}
.legacy__body .legacy__lead {
  font-size: 1.2rem;
  color: var(--ink);
  line-height: 1.6;
}
.legacy__quote {
  font-family: var(--ff-display);
  font-style: italic;
  font-size: clamp(1.3rem, 2.2vw, 1.75rem) !important;
  line-height: 1.4 !important;
  color: var(--ink) !important;
  padding: 2rem 0 2rem 2.5rem !important;
  border-left: 1px solid var(--warm-3);
  margin: 2.5rem 0 !important;
  font-variation-settings: "opsz" 144, "SOFT" 80;
  position: relative;
}
.legacy__quote .quote-mark {
  font-family: var(--ff-display);
  font-size: 3rem;
  color: var(--warm-2);
  position: absolute;
  left: 0.5rem;
  top: -0.5rem;
  line-height: 1;
}
.legacy__signature {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-top: 3rem;
}
.sig-line {
  width: 50px;
  height: 1px;
  background: var(--warm-3);
}
.sig-meta {
  display: flex;
  flex-direction: column;
  font-family: var(--ff-mono);
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-mute);
  gap: 0.3rem;
}

/* =========================================================
   SERVICES
   ========================================================= */
.services {
  padding: 5rem 0;
  background: var(--bg-1);
  border-top: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}

.services__intro {
  margin: 0 auto 3rem;
  padding: 0 var(--pad);
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: var(--gutter);
  align-items: end;
}
.services__intro .h-display { max-width: 25rem; }
.services__intro p {
  font-size: 1rem;
  color: var(--ink-dim);
  max-width: 30rem;
  padding-bottom: 0.5rem;
}

.services__grid {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--pad);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.service {
  position: relative;
  padding: 3rem 2.5rem;
  background: var(--bg-1);
  transition: background 500ms ease;
  overflow: hidden;
  isolation: isolate;
  min-height: 26rem;
  display: flex;
  flex-direction: column;
}
.service:hover {
  background: var(--bg-2);
}
.service__glow {
  position: absolute;
  top: -50%;
  left: -30%;
  width: 80%;
  height: 100%;
  background: radial-gradient(
    circle,
    rgba(124, 58, 237, 0.08) 0%,
    transparent 60%
  );
  opacity: 0;
  transition: opacity 600ms ease;
  z-index: 0;
  pointer-events: none;
}
.service:hover .service__glow { opacity: 1; }

.service > * { position: relative; z-index: 1; }

.service__num {
  font-family: var(--ff-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--warm-3);
  margin-bottom: 1.75rem;
}
.service__title {
  font-family: var(--ff-display);
  font-weight: 300;
  font-size: clamp(1.6rem, 2.5vw, 2.1rem);
  line-height: 1.05;
  letter-spacing: -0.01em;
  font-variation-settings: "opsz" 144, "SOFT" 50;
  margin-bottom: 1.5rem;
  color: var(--ink);
}
.service:hover .service__title { color: var(--warm-2); }

.service__body {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--ink-dim);
  margin-bottom: 2rem;
  max-width: 32rem;
}

.service__list {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
}
.service__list li {
  font-family: var(--ff-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  color: var(--ink-mute);
  padding-left: 1.2rem;
  position: relative;
  transition: color 300ms ease;
}
.service:hover .service__list li { color: var(--ink-dim); }
.service__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 1px;
  background: var(--warm-3);
}

/* =========================================================
   APPROACH
   ========================================================= */
.approach {
  padding: 5rem 0;
  background: var(--bg-0);
  border-top: 1px solid var(--line);
}
.approach__inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--pad);
}
.approach__title {
  max-width: 24rem;
  margin-bottom: 3rem;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--line-strong);
}
.step {
  padding: 2.5rem 1.5rem 0 0;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.step::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 30%;
  height: 1px;
  background: var(--warm-2);
  transition: width 500ms ease;
}
.step:hover::before {
  width: 100%;
}
.step__num {
  font-family: var(--ff-display);
  font-style: italic;
  font-size: 2.2rem;
  font-variation-settings: "opsz" 144, "SOFT" 100;
  color: var(--warm-2);
  font-weight: 300;
  line-height: 1;
}
.step__body h3 {
  font-family: var(--ff-display);
  font-weight: 400;
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}
.step__body p {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--ink-dim);
}

/* =========================================================
   PHILOSOPHY
   ========================================================= */
.philosophy {
  padding: 5rem var(--pad);
  background: var(--bg-0);
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--line);
  text-align: center;
  isolation: isolate;
}
.philosophy__glow {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 900px; height: 900px;
  background: radial-gradient(
    circle,
    rgba(124, 58, 237, 0.08) 0%,
    transparent 60%
  );
  z-index: -1;
  pointer-events: none;
}
.philosophy__inner {
  max-width: 60rem;
  margin: 0 auto;
}
.philosophy__q {
  display: block;
  font-family: var(--ff-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--warm-3);
  margin-bottom: 2.5rem;
}
.philosophy__quote {
  font-family: var(--ff-display);
  font-weight: 300;
  font-size: clamp(1.75rem, 4vw, 3rem);
  line-height: 1.25;
  letter-spacing: -0.015em;
  color: var(--ink);
  font-variation-settings: "opsz" 144, "SOFT" 60;
}
.philosophy__quote em {
  color: var(--warm-2);
  font-variation-settings: "opsz" 144, "SOFT" 100, "WONK" 1;
}
.philosophy__attr {
  display: block;
  margin-top: 3rem;
  font-family: var(--ff-mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

/* =========================================================
   CONTACT
   ========================================================= */
.contact {
  padding: 5rem 0;
  border-top: 1px solid var(--line);
  background: var(--bg-1);
}
.contact__grid {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--pad);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}
.contact__lead p {
  color: var(--ink-dim);
  font-size: 1.05rem;
  line-height: 1.65;
  max-width: 28rem;
  margin-top: 2rem;
}
.contact__details {
  margin-top: 3rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.contact__details li {
  display: grid;
  grid-template-columns: 6rem 1fr;
  gap: 1.5rem;
  align-items: baseline;
}
.contact__k {
  font-family: var(--ff-mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.contact__v {
  color: var(--ink);
  font-size: 0.98rem;
}
.contact__v a:hover { color: var(--warm-2); }

.contact__form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  padding: 2.5rem;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 2px;
  position: relative;
  overflow: hidden;
}
.contact__form::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 1px;
  background: linear-gradient(to right, transparent, var(--warm-2), transparent);
  opacity: 0.5;
}
.field {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.field--wide { grid-column: 1 / -1; }
.field label {
  font-family: var(--ff-mono);
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.field input,
.field textarea,
.field select {
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line-strong);
  padding: 0.6rem 0;
  font-size: 0.95rem;
  color: var(--ink);
  outline: none;
  transition: border-color 300ms ease;
  border-radius: 0;
  -webkit-appearance: none;
  appearance: none;
}
.field select {
  background: transparent url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 6' fill='%234c3a6e'><path d='M0 0l4 6 4-6z'/></svg>") no-repeat right 0.5rem center;
  background-size: 8px;
  padding-right: 1.5rem;
}
.field select option { background: var(--bg-2); color: var(--ink); }
.field textarea { resize: vertical; min-height: 4rem; font-family: var(--ff-body); }
.field input:focus,
.field textarea:focus,
.field select:focus {
  border-color: var(--warm-2);
}
.field input::placeholder,
.field textarea::placeholder { color: var(--ink-mute); }

.form-note {
  grid-column: 1 / -1;
  font-family: var(--ff-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--warm-2);
  min-height: 1em;
  margin-top: 0.25rem;
}

/* =========================================================
   FOOTER
   ========================================================= */
.footer {
  padding: 5rem var(--pad) 2rem;
  background: var(--bg-0);
  border-top: 1px solid var(--line);
}
.footer__top {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--gutter);
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--line);
}
.footer__brand { display: flex; flex-direction: column; gap: 0.75rem; }
.footer__brand img {
  height: auto;
  width: 100%;
  max-width: 280px;
  object-fit: contain;
}
.footer__nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gutter);
}
.footer__nav h4 {
  font-family: var(--ff-mono);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--warm-3);
  margin-bottom: 1.25rem;
  font-weight: 500;
}
.footer__nav a {
  display: block;
  font-size: 0.88rem;
  color: var(--ink-dim);
  padding: 0.3rem 0;
  transition: color 200ms;
}
.footer__nav a:hover { color: var(--warm-2); }
.footer__bottom {
  max-width: var(--max);
  margin: 2rem auto 0;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-family: var(--ff-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--ink-mute);
}
.footer__tribute {
  color: var(--ink-mute);
}
.footer__tribute em {
  font-family: var(--ff-display);
  color: var(--warm-3);
  font-style: italic;
  letter-spacing: 0;
  font-size: 0.85rem;
}

/* =========================================================
   SCROLL REVEALS
   ========================================================= */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 1000ms cubic-bezier(0.2, 0.8, 0.2, 1), transform 1000ms cubic-bezier(0.2, 0.8, 0.2, 1);
}
.reveal.is-in {
  opacity: 1;
  transform: translateY(0);
}

/* =========================================================
   RESPONSIVE — TABLET (960px)
   ========================================================= */
@media (max-width: 960px) {
  .nav__links { display: none; }
  .nav__menu {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: 10px;
    border: 1px solid var(--line-strong);
    border-radius: 100px;
    min-width: 44px;
    min-height: 44px;
    justify-content: center;
    align-items: center;
  }
  .nav__menu span {
    display: block;
    width: 18px; height: 1px;
    background: var(--ink);
    transition: transform 300ms ease;
  }
  .nav__menu.is-open span:nth-child(1) { transform: translateY(3px) rotate(45deg); }
  .nav__menu.is-open span:nth-child(2) { transform: translateY(-3px) rotate(-45deg); }

  .nav.is-mobile-open .nav__links {
    display: flex;
    position: fixed;
    inset: 0;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    background: rgba(250, 247, 255, 0.98);
    backdrop-filter: blur(20px);
    font-size: 1.5rem;
    z-index: -1;
  }
  .nav.is-mobile-open .nav__links a { font-size: 1.4rem; color: var(--ink); }
  .nav.is-mobile-open .nav__links a:hover { color: var(--warm-2); }

  .legacy__inner,
  .services__intro,
  .contact__grid,
  .footer__top { grid-template-columns: 1fr; }

  .legacy__mark { position: static; padding: 0 var(--pad) 3rem; }
  .legacy__arabic { font-size: 7rem; }
  .steps { grid-template-columns: repeat(2, 1fr); gap: 2rem 1rem; }
  .step { padding-top: 2rem; }
  .services__grid { grid-template-columns: 1fr; }
  .contact__grid { gap: 3rem; }
  .contact__form { grid-template-columns: 1fr; padding: 2rem; }
  .hero__meta { grid-template-columns: 1fr 1fr; gap: 1.5rem; }
  .hero__scroll { display: none; }
  .footer__nav { grid-template-columns: 1fr 1fr; }
  .footer__bottom { flex-direction: column; }
}

/* =========================================================
   RESPONSIVE — MOBILE (520px)
   ========================================================= */
@media (max-width: 520px) {
  :root { --pad: 1.25rem; }

  /* --- Nav --- */
  .nav { padding: 0.9rem var(--pad); }
  .nav.is-scrolled { padding: 0.7rem var(--pad); }
  .nav__logo img { height: 28px; }
  .nav__sub { display: none; }
  .nav__name { font-size: 0.8rem; letter-spacing: 0.1em; }

  /* --- Hero --- */
  .hero { padding: 6rem var(--pad) 3rem; min-height: 100svh; }
  .hero__title {
    font-size: clamp(2.6rem, 12vw, 4.5rem);
    line-height: 0.95;
    margin-bottom: 1.5rem;
  }
  .hero__lede { font-size: 0.93rem; line-height: 1.5; margin-bottom: 2rem; }
  .hero__actions { flex-direction: column; margin-bottom: 2.5rem; }
  .hero__actions .btn { width: 100%; justify-content: center; }
  .hero__meta {
    grid-template-columns: 1fr;
    border-top: 0;
    padding-top: 0;
    gap: 0;
  }
  .hero__meta > div {
    padding: 1.1rem 0;
    border-top: 1px solid var(--line);
    flex-direction: row;
    align-items: center;
    gap: 1rem;
  }
  .hero__meta .num { font-size: 1.3rem; min-width: 3rem; }
  .hero__meta .lbl { line-height: 1.3; }
  .hero__beam { opacity: 0.25; }
  .hero__arabic { font-size: 7rem; right: -1rem; opacity: 0.4; }
  .hero__grid { opacity: 0.2; }
  .hero__light { width: 120vw; height: 120vw; }

  /* --- Section heads --- */
  .section-head { margin-bottom: 2rem; }
  .section-head::after { max-width: 80px; }

  /* --- Legacy --- */
  .legacy { padding: 5rem 0 4rem; }
  .legacy__mark { padding: 0 var(--pad) 2rem; }
  .legacy__arabic { font-size: 4.5rem; }
  .legacy__etym { margin-top: 1.5rem; }
  .legacy__etym .word { font-size: 1.2rem; }
  .legacy__body .h-display { font-size: 1.7rem; margin-bottom: 1.5rem; }
  .legacy__body p { font-size: 0.93rem; line-height: 1.6; }
  .legacy__body .legacy__lead { font-size: 1rem; }
  .legacy__body .legacy__quote {
    font-size: 1.1rem !important;
    padding: 1.25rem 0 1.25rem 1.25rem !important;
    margin: 1.5rem 0 !important;
  }
  .legacy__quote .quote-mark { font-size: 2rem; left: 0.25rem; top: -0.2rem; }
  .legacy__signature { margin-top: 2rem; }

  /* --- Services --- */
  .services { padding: 5rem 0; }
  .services__intro { margin-bottom: 2.5rem; }
  .services__intro .h-display { font-size: 1.7rem; }
  .services__intro p { font-size: 0.93rem; }
  .service { padding: 1.75rem 1.25rem; min-height: auto; }
  .service__title { font-size: 1.35rem; margin-bottom: 1rem; }
  .service__body { font-size: 0.88rem; margin-bottom: 1.25rem; }
  .service__list { padding-top: 1.25rem; gap: 0.5rem; }
  .service__list li { font-size: 0.67rem; }

  /* --- Approach --- */
  .approach { padding: 5rem 0; }
  .approach__title { font-size: 1.7rem; margin-bottom: 2.5rem; }
  .steps { grid-template-columns: 1fr; gap: 0; border-top: none; }
  .step {
    padding: 1.5rem 0;
    border-top: 1px solid var(--line-strong);
    flex-direction: row;
    align-items: flex-start;
    gap: 1.25rem;
  }
  .step::before { display: none; }
  .step__num { font-size: 1.5rem; min-width: 2.5rem; }
  .step__body h3 { font-size: 1.05rem; margin-bottom: 0.35rem; }
  .step__body p { font-size: 0.86rem; }

  /* --- Philosophy --- */
  .philosophy { padding: 4rem var(--pad); }
  .philosophy__quote { font-size: 1.3rem; line-height: 1.35; }
  .philosophy__q { margin-bottom: 1.5rem; }
  .philosophy__attr { margin-top: 2rem; }
  .philosophy__glow { width: 350px; height: 350px; }

  /* --- Contact --- */
  .contact { padding: 5rem 0; }
  .contact__lead .h-display { font-size: 1.7rem; }
  .contact__lead p { font-size: 0.93rem; margin-top: 1rem; }
  .contact__details { margin-top: 1.5rem; padding-top: 1.5rem; }
  .contact__details li { grid-template-columns: 1fr; gap: 0.15rem; }
  .contact__form { padding: 1.5rem; }
  .field input,
  .field textarea,
  .field select { font-size: 16px; padding: 0.7rem 0; }

  /* --- Footer --- */
  .footer { padding: 3rem var(--pad) 1.5rem; }
  .footer__top { gap: 2rem; padding-bottom: 2rem; }
  .footer__brand img { width: 160px; max-width: 50%; height: auto; }
  .footer__nav { grid-template-columns: 1fr; gap: 1.75rem; }
  .footer__nav h4 { margin-bottom: 0.6rem; }
  .footer__nav a { padding: 0.35rem 0; font-size: 0.9rem; }
  .footer__bottom { gap: 0.6rem; font-size: 0.62rem; padding-top: 1.5rem; }
  .footer__tribute em { font-size: 0.75rem; }

  /* --- Touch targets (48px min per WCAG) --- */
  .btn { min-height: 48px; padding: 0.85rem 1.4rem; }
  .btn--wide { padding: 1rem 1.4rem; font-size: 0.93rem; }
  .nav__cta { min-height: 44px; }

  /* --- Prevent iOS zoom on input focus --- */
  input, textarea, select { font-size: 16px !important; }
}

/* =========================================================
   REDUCED MOTION
   ========================================================= */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .hero__scroll-line::after { display: none; }
  .reveal { opacity: 1 !important; transform: none !important; }
}