/* ============================================================
   Blackline Creative Studio — prototype styles
   ============================================================ */
:root {
  --bg:        #0A0E13;
  --bg-2:      #0C1219;
  --navy:      #12324A;
  --navy-soft: #1a3a54;
  --fg:        #F3F5F7;
  --muted:     #8B98A6;
  --muted-2:   #5f6b78;
  --line:      rgba(255, 255, 255, 0.10);
  --line-soft: rgba(255, 255, 255, 0.06);
  --accent:    #E8B764; /* warm brass — used sparingly */

  --f-display: "Space Grotesk", system-ui, sans-serif;
  --f-body:    "Inter", system-ui, sans-serif;
  --f-script:  "Allura", cursive;
  --f-sub:     "Montserrat", sans-serif;

  --pad: clamp(20px, 5vw, 90px);
  --maxw: 1400px;
}

/* Arabic font stack when RTL */
html[dir="rtl"] {
  --f-display: "Noto Kufi Arabic", "Space Grotesk", sans-serif;
  --f-body: "Noto Kufi Arabic", "Inter", sans-serif;
}

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

html { -webkit-font-smoothing: antialiased; }
/* Lenis owns smooth scroll — native CSS smooth would fight it and cause stutter */
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
.lenis.lenis-smooth [data-lenis-prevent] { overscroll-behavior: contain; }
.lenis.lenis-stopped { overflow: hidden; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--f-body);
  font-weight: 300;
  line-height: 1.55;
  overflow-x: hidden;
  letter-spacing: 0.01em;
}

a { color: inherit; text-decoration: none; }
::selection { background: var(--accent); color: #10151b; }

/* film grain overlay */
.grain {
  position: fixed; inset: 0; z-index: 9999; pointer-events: none;
  opacity: 0.04; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- Brand mark ---------- */
.brand { display: inline-flex; flex-direction: column; line-height: 0.8; }
.brand__script {
  font-family: var(--f-script);
  font-size: 2rem; color: var(--fg); line-height: 1;
}
.brand__sub {
  font-family: var(--f-sub); font-weight: 400;
  font-size: 0.52rem; letter-spacing: 0.42em; text-transform: uppercase;
  color: var(--muted); margin-inline-start: 2px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 0.6em;
  font-family: var(--f-display); font-weight: 500; font-size: 0.9rem;
  padding: 0.95em 1.8em; border-radius: 100px;
  background: var(--fg); color: #0A0E13;
  border: 1px solid var(--fg);
  transition: transform .35s cubic-bezier(.2,.7,.2,1), background .3s, color .3s;
  will-change: transform;
}
.btn:hover { transform: translateY(-3px); background: var(--accent); border-color: var(--accent); }
.btn--ghost { background: transparent; color: var(--fg); border-color: var(--line); }
.btn--ghost:hover { background: transparent; border-color: var(--fg); color: var(--fg); }
.btn--sm { padding: 0.7em 1.3em; font-size: 0.82rem; }
.btn--lg { padding: 1.15em 2.6em; font-size: 1.05rem; }

/* ---------- Nav ---------- */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 22px var(--pad);
  transition: background .4s, padding .4s, border-color .4s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(10, 14, 19, 0.72);
  backdrop-filter: blur(14px);
  border-bottom-color: var(--line-soft);
  padding-top: 14px; padding-bottom: 14px;
}
.nav__links { display: flex; gap: 2.2rem; }
.nav__links a {
  font-family: var(--f-display); font-size: 0.9rem; font-weight: 400;
  color: var(--muted); position: relative; transition: color .3s;
}
.nav__links a::after {
  content: ""; position: absolute; left: 0; bottom: -6px; height: 1px; width: 0;
  background: var(--fg); transition: width .35s cubic-bezier(.2,.7,.2,1);
}
.nav__links a:hover { color: var(--fg); }
.nav__links a:hover::after { width: 100%; }
.nav__right { display: flex; align-items: center; gap: 1.1rem; }

/* language switcher */
.lang { position: relative; }
.lang__btn {
  display: inline-flex; align-items: center; gap: 0.4em;
  background: none; border: 1px solid var(--line); color: var(--fg);
  font-family: var(--f-display); font-size: 0.82rem; cursor: pointer;
  padding: 0.5em 0.8em; border-radius: 100px; transition: border-color .3s;
}
.lang__btn:hover { border-color: var(--fg); }
.lang__menu {
  position: absolute; top: calc(100% + 10px); inset-inline-end: 0;
  background: var(--bg-2); border: 1px solid var(--line);
  border-radius: 14px; padding: 6px; list-style: none; min-width: 150px;
  opacity: 0; visibility: hidden; transform: translateY(-8px);
  transition: opacity .25s, transform .25s, visibility .25s;
}
.lang.open .lang__menu { opacity: 1; visibility: visible; transform: translateY(0); }
.lang__menu button {
  width: 100%; text-align: start; background: none; border: none; color: var(--muted);
  font-family: var(--f-body); font-size: 0.9rem; padding: 0.6em 0.9em;
  border-radius: 9px; cursor: pointer; transition: background .2s, color .2s;
}
.lang__menu button:hover, .lang__menu button.active { background: var(--line-soft); color: var(--fg); }

.burger { display: none; background: none; border: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 6px; }
.burger span { width: 24px; height: 1.5px; background: var(--fg); transition: transform .3s, opacity .3s; }

.mobile-menu {
  position: fixed; inset: 0; z-index: 90; background: var(--bg);
  display: flex; flex-direction: column; justify-content: center; gap: 1.5rem;
  padding: var(--pad); transform: translateY(-100%); transition: transform .5s cubic-bezier(.7,0,.2,1);
}
.mobile-menu.open { transform: translateY(0); }
.mobile-menu a { font-family: var(--f-display); font-size: 2.2rem; color: var(--fg); }

/* ---------- Hero ---------- */
.hero {
  position: relative; min-height: 100svh;
  display: flex; flex-direction: column; justify-content: center;
  padding: 0 var(--pad); overflow: hidden;
}
/* animated network background (haptic-style motion) */
.hero__canvas { position: absolute; inset: 0; z-index: 0; width: 100%; height: 100%; display: block; }
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background:
    linear-gradient(180deg, rgba(10,14,19,0.55) 0%, rgba(10,14,19,0.25) 45%, var(--bg) 100%),
    linear-gradient(90deg, rgba(10,14,19,0.45) 0%, transparent 55%);
}
.hero__glow {
  position: absolute; top: 30%; left: 50%; transform: translate(-50%,-50%);
  width: 90vw; height: 90vw; max-width: 1100px; max-height: 1100px;
  background: radial-gradient(circle, var(--navy) 0%, rgba(18,50,74,0.25) 35%, transparent 68%);
  filter: blur(20px); z-index: 0; animation: float 14s ease-in-out infinite;
  mix-blend-mode: screen; opacity: 0.7;
}
@keyframes float { 0%,100%{transform:translate(-50%,-50%) scale(1)} 50%{transform:translate(-48%,-53%) scale(1.08)} }
.hero__inner { position: relative; z-index: 1; max-width: var(--maxw); margin: 0 auto; width: 100%; }
.eyebrow {
  font-family: var(--f-display); font-size: 0.85rem; letter-spacing: 0.28em;
  text-transform: uppercase; color: var(--muted); margin-bottom: 1.6rem;
}
.hero__title {
  font-family: var(--f-display); font-weight: 500;
  font-size: clamp(2.5rem, 7vw, 6.6rem); line-height: 1.02; letter-spacing: -0.02em;
}
.hero__title .reveal-line { display: block; overflow: hidden; }
.hero__lead {
  max-width: 44ch; margin-top: 2rem; font-size: clamp(1rem, 1.6vw, 1.3rem);
  color: var(--muted); font-weight: 300;
}
.hero__actions { display: flex; gap: 1rem; margin-top: 2.6rem; flex-wrap: wrap; }
.hero__scroll {
  position: absolute; bottom: 34px; inset-inline-start: var(--pad); z-index: 1;
  font-family: var(--f-display); font-size: 0.75rem; letter-spacing: 0.25em;
  text-transform: uppercase; color: var(--muted-2);
}
.hero__scroll::after { content: ""; display: block; width: 1px; height: 34px; margin-top: 10px; background: linear-gradient(var(--muted), transparent); }

/* ---------- Marquee ---------- */
.marquee { border-block: 1px solid var(--line-soft); padding: 26px 0; overflow: hidden; white-space: nowrap; }
.marquee__track { display: inline-flex; gap: 2.5rem; align-items: center; animation: scroll 32s linear infinite; }
.marquee__track span {
  font-family: var(--f-display); font-size: clamp(1.3rem, 3vw, 2.4rem);
  font-weight: 400; color: var(--muted); letter-spacing: -0.01em;
}
.marquee__track span:nth-child(2n) { color: var(--muted-2); }
@keyframes scroll { to { transform: translateX(-50%); } }

/* ---------- Section shared ---------- */
section { padding-block: clamp(80px, 12vw, 170px); padding-inline: var(--pad); }
.section-tag {
  font-family: var(--f-display); font-size: 0.8rem; letter-spacing: 0.24em;
  text-transform: uppercase; color: var(--muted-2); margin-bottom: 2rem;
  display: flex; align-items: center; gap: 0.8em;
}
.section-tag span { position: relative; padding-inline-start: 26px; }
.section-tag span::before { content: ""; position: absolute; inset-inline-start: 0; top: 50%; width: 16px; height: 1px; background: var(--accent); }

/* ---------- Intro ---------- */
.intro { max-width: var(--maxw); margin: 0 auto; }
.intro__statement {
  font-family: var(--f-display); font-weight: 400;
  font-size: clamp(1.7rem, 4.4vw, 4rem); line-height: 1.08; letter-spacing: -0.02em;
  max-width: 20ch; margin-bottom: 4rem;
}
.reveal-word-wrap { display: block; }
.intro__cols { display: grid; grid-template-columns: repeat(2, 1fr); gap: 3rem; max-width: 900px; margin-inline-start: 0; }
.intro__cols p { color: var(--muted); font-size: 1.05rem; }

/* ---------- Services ---------- */
.services { max-width: var(--maxw); margin: 0 auto; }
.services__head { margin-bottom: 3.5rem; }
.services__title { font-family: var(--f-display); font-weight: 500; font-size: clamp(1.8rem, 4vw, 3.4rem); letter-spacing: -0.02em; }
.svc-list { border-top: 1px solid var(--line); }
.svc {
  display: grid; grid-template-columns: 60px minmax(0, 1.1fr) minmax(0, 1.2fr);
  gap: 2rem; align-items: start;
  padding: 2.4rem 0; border-bottom: 1px solid var(--line);
  transition: background .4s;
}
.svc:hover { background: linear-gradient(90deg, rgba(18,50,74,0.18), transparent); }
.svc__no { font-family: var(--f-display); font-size: 0.9rem; color: var(--accent); padding-top: 0.4rem; }
.svc__name { font-family: var(--f-display); font-weight: 500; font-size: clamp(1.4rem, 2.6vw, 2.2rem); letter-spacing: -0.01em; transition: transform .4s cubic-bezier(.2,.7,.2,1); }
.svc:hover .svc__name { transform: translateX(8px); }
html[dir="rtl"] .svc:hover .svc__name { transform: translateX(-8px); }
.svc__desc { margin-top: 0.7rem; color: var(--muted); max-width: 40ch; }
.svc__tags { display: flex; flex-wrap: wrap; gap: 0.5rem; align-content: start; padding-top: 0.5rem; }
.svc__tags span {
  font-size: 0.78rem; color: var(--muted); border: 1px solid var(--line);
  padding: 0.4em 0.9em; border-radius: 100px; transition: border-color .3s, color .3s;
}
.svc:hover .svc__tags span { border-color: var(--line); color: var(--fg); }

/* ---------- Approach ---------- */
.approach { max-width: var(--maxw); margin: 0 auto; }
.approach__head { margin-bottom: 3.5rem; }
.approach__title { font-family: var(--f-display); font-weight: 500; font-size: clamp(1.8rem, 4vw, 3.4rem); letter-spacing: -0.02em; }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.step { border-top: 1px solid var(--line); padding-top: 1.6rem; }
.step__no { font-family: var(--f-display); color: var(--accent); font-size: 0.9rem; }
.step h3 { font-family: var(--f-display); font-weight: 500; font-size: 1.5rem; margin: 1.2rem 0 0.7rem; }
.step p { color: var(--muted); font-size: 0.98rem; }

/* ---------- Stats ---------- */
.stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem;
  max-width: var(--maxw); margin: 0 auto;
  border-block: 1px solid var(--line); padding-block: clamp(50px, 7vw, 90px);
}
.stat { text-align: center; }
.stat__num { display: block; font-family: var(--f-display); font-weight: 600; font-size: clamp(2.6rem, 6vw, 4.6rem); letter-spacing: -0.03em; }
.stat__label { color: var(--muted); font-size: 0.92rem; }

/* ---------- CTA ---------- */
.cta { text-align: center; }
.cta__inner { max-width: 900px; margin: 0 auto; display: flex; flex-direction: column; align-items: center; }
.cta .section-tag { justify-content: center; }
.cta .section-tag span { padding-inline-start: 0; }
.cta .section-tag span::before { display: none; }
.cta__title { font-family: var(--f-display); font-weight: 500; font-size: clamp(2.4rem, 7vw, 6rem); line-height: 1.02; letter-spacing: -0.03em; margin-bottom: 2.6rem; }
.cta__title .reveal-line { display: block; overflow: hidden; }
.cta__mail { margin-top: 1.8rem; }
.cta__mail a { color: var(--muted); border-bottom: 1px solid var(--line); padding-bottom: 2px; transition: color .3s, border-color .3s; }
.cta__mail a:hover { color: var(--fg); border-color: var(--fg); }

/* Contact form */
.contact-form { width: 100%; max-width: 640px; margin-top: 2.6rem; text-align: start; }
.cf-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.cf-field { display: flex; flex-direction: column; gap: 0.55rem; margin-bottom: 1rem; }
.cf-field label { font-family: var(--f-sub); font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); }
.contact-form input, .contact-form textarea {
  width: 100%; font-family: var(--f-body); font-size: 1rem; color: var(--fg);
  background: rgba(255,255,255,0.03); border: 1px solid var(--line);
  border-radius: 14px; padding: 0.95em 1.1em; resize: vertical;
  transition: border-color .3s, background .3s;
}
.contact-form input::placeholder, .contact-form textarea::placeholder { color: var(--muted-2); }
.contact-form input:focus, .contact-form textarea:focus { outline: none; border-color: var(--accent); background: rgba(255,255,255,0.05); }
.contact-form .btn { margin-top: 0.4rem; border: none; cursor: pointer; }
.contact-form .btn:disabled { opacity: 0.6; cursor: default; transform: none; }
.cf-hp { position: absolute; left: -9999px; opacity: 0; height: 0; width: 0; }
.cf-status { margin-top: 1rem; font-size: 0.9rem; color: var(--muted); min-height: 1.2em; }
.cf-status.ok { color: var(--accent); }
.cf-status.err { color: #ff8f8f; }
@media (max-width: 640px) { .cf-row { grid-template-columns: 1fr; } }

/* ---------- Footer ---------- */
.footer { padding: clamp(50px, 7vw, 90px) var(--pad) 40px; border-top: 1px solid var(--line); }
.footer__brand { margin-bottom: 3rem; }
.footer__cols { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 2rem; padding-bottom: 3rem; border-bottom: 1px solid var(--line-soft); }
.footer__cols h4 { font-family: var(--f-display); font-weight: 500; font-size: 0.8rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted-2); margin-bottom: 1.2rem; }
.footer__cols a { display: block; color: var(--muted); font-size: 0.95rem; padding: 0.35em 0; transition: color .3s; }
.footer__cols a:hover { color: var(--fg); }
.footer__bottom { display: flex; justify-content: space-between; margin-top: 2rem; color: var(--muted-2); font-size: 0.85rem; flex-wrap: wrap; gap: 1rem; }

/* ---------- Reveal animation base ---------- */
.reveal, .reveal-line > *, .reveal-word { will-change: transform, opacity; }
.reveal { opacity: 0; transform: translateY(28px); }
.reveal.in { opacity: 1; transform: none; transition: opacity .9s cubic-bezier(.2,.7,.2,1), transform .9s cubic-bezier(.2,.7,.2,1); }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .nav__links { display: none; }
  .burger { display: flex; }
  .btn--sm { display: none; }
  .intro__cols { grid-template-columns: 1fr; gap: 1.5rem; }
  .svc { grid-template-columns: 40px 1fr; }
  .svc__tags { grid-column: 1 / -1; margin-top: 0.5rem; }
  .steps { grid-template-columns: repeat(2, 1fr); gap: 2rem 1.5rem; }
  .stats { grid-template-columns: repeat(2, 1fr); gap: 2.5rem 1rem; }
  .footer__cols { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .steps, .stats, .footer__cols { grid-template-columns: 1fr; }
  .hero__actions { flex-direction: column; align-items: stretch; }
  .btn { justify-content: center; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}