/* =================================================================
   KBZ Digital Creation
   Shared stylesheet
   Aesthetic: refined dark, editorial-tech, luminous citron accent
   ================================================================= */

/* ---------- Reset & base ---------- */
*,
*::before,
*::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Palette */
  --bg:        #09090b;
  --bg-soft:   #0e0e11;
  --bg-elev:   #131317;
  --ink:       #ededea;
  --ink-dim:   #a3a39e;
  --ink-faint: #6c6c68;
  --line:      rgba(255, 255, 255, 0.09);
  --line-soft: rgba(255, 255, 255, 0.05);
  --accent:    #d6f25a;   /* luminous citron */
  --accent-ink:#1a1d05;
  --glow:      rgba(214, 242, 90, 0.16);
  --cool:      rgba(86, 214, 196, 0.10);

  /* Type */
  --font-display: "Bricolage Grotesque", "Hanken Grotesk", system-ui, sans-serif;
  --font-body:    "Hanken Grotesk", system-ui, -apple-system, sans-serif;
  --font-serif:   "Instrument Serif", Georgia, serif;

  /* Spatial */
  --maxw: 1280px;
  --gut: clamp(1.25rem, 4vw, 3.5rem);
  --radius: 18px;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.5;
  letter-spacing: -0.01em;
  font-weight: 400;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* Grain + atmospheric glow layered behind everything */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(60vw 60vw at 78% -10%, var(--glow), transparent 60%),
    radial-gradient(50vw 50vw at 8% 12%, var(--cool), transparent 55%);
  opacity: 0.9;
}
body::after {
  content: "";
  position: fixed;
  inset: -50%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%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");
}

main, header, footer, section { position: relative; z-index: 1; }

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
::selection { background: var(--accent); color: var(--accent-ink); }

/* ---------- Layout helpers ---------- */
.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gut); }
.eyebrow {
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-dim);
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-weight: 500;
}
.eyebrow::before {
  content: "";
  width: 22px; height: 1px;
  background: var(--accent);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55em;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: -0.01em;
  padding: 0.85em 1.4em;
  border-radius: 100px;
  border: 1px solid var(--line);
  cursor: pointer;
  transition: transform 0.4s var(--ease), background 0.3s, color 0.3s, border-color 0.3s;
  background: transparent;
  color: var(--ink);
}
.btn:hover { transform: translateY(-2px); border-color: rgba(255,255,255,0.25); }
.btn .arr { transition: transform 0.4s var(--ease); }
.btn:hover .arr { transform: translate(3px, -3px); }
.btn--accent {
  background: var(--accent);
  color: var(--accent-ink);
  border-color: var(--accent);
}
.btn--accent:hover { box-shadow: 0 12px 40px -8px var(--glow); }

/* ---------- Navigation ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem var(--gut);
  transition: background 0.4s, backdrop-filter 0.4s, border-color 0.4s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(9, 9, 11, 0.72);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line-soft);
}
.brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.45rem;
  letter-spacing: -0.03em;
  display: inline-flex;
  align-items: baseline;
}
.brand .dot { color: var(--accent); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 2.2rem;
  list-style: none;
}
.nav-links a {
  font-size: 0.95rem;
  color: var(--ink-dim);
  transition: color 0.25s;
  position: relative;
}
.nav-links a:hover { color: var(--ink); }
.nav-links a[aria-current="page"] { color: var(--ink); }
.nav-cta { display: inline-flex; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  width: 24px; height: 2px;
  background: var(--ink);
  transition: transform 0.3s var(--ease), opacity 0.3s;
}
body.menu-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
body.menu-open .nav-toggle span:nth-child(2) { opacity: 0; }
body.menu-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: 6rem;
  padding-bottom: 4rem;
  position: relative;
}
.hero-pointer {
  position: absolute;
  width: 540px; height: 540px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--glow), transparent 70%);
  pointer-events: none;
  transform: translate(-50%, -50%);
  transition: left 0.6s var(--ease), top 0.6s var(--ease), opacity 0.6s;
  opacity: 0;
  z-index: 0;
}
.hero-inner { position: relative; z-index: 2; }
.hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.9rem, 8.5vw, 7.5rem);
  line-height: 0.93;
  letter-spacing: -0.045em;
  margin: 1.6rem 0 1.5rem;
  max-width: 16ch;
}
.hero h1 em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  color: var(--accent);
  letter-spacing: -0.02em;
}
.hero p.lead {
  font-size: clamp(1.05rem, 1.7vw, 1.4rem);
  color: var(--ink-dim);
  max-width: 52ch;
  margin-bottom: 2.4rem;
  line-height: 1.45;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; }

/* staggered reveal */
.rise { opacity: 0; transform: translateY(26px); }
.hero .rise { animation: rise 1s var(--ease) forwards; }
.hero .rise:nth-child(1) { animation-delay: 0.05s; }
.hero .rise:nth-child(2) { animation-delay: 0.16s; }
.hero .rise:nth-child(3) { animation-delay: 0.28s; }
.hero .rise:nth-child(4) { animation-delay: 0.4s; }
@keyframes rise { to { opacity: 1; transform: none; } }

/* ---------- Marquee ---------- */
.marquee {
  border-block: 1px solid var(--line);
  padding-block: 1.15rem;
  overflow: hidden;
  white-space: nowrap;
  display: flex;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
          mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee__track {
  display: inline-flex;
  align-items: center;
  gap: 3rem;
  animation: scroll 28s linear infinite;
  flex-shrink: 0;
  padding-right: 3rem;
}
.marquee__track span {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 3vw, 2.2rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink-faint);
  display: inline-flex;
  align-items: center;
  gap: 3rem;
}
.marquee__track span::after { content: "✦"; color: var(--accent); font-size: 0.7em; }
@keyframes scroll { to { transform: translateX(-100%); } }

/* ---------- Section frame ---------- */
.section { padding-block: clamp(5rem, 11vh, 9rem); }
.section-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.3rem;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
  max-width: 60ch;
}
.section-head h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 5vw, 3.6rem);
  line-height: 1.02;
  letter-spacing: -0.035em;
}
.section-head h2 em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  color: var(--accent);
}
.section-head p { color: var(--ink-dim); font-size: 1.08rem; max-width: 50ch; }

/* ---------- Services list ---------- */
.services { display: grid; gap: 0; }
.service {
  display: grid;
  grid-template-columns: 4rem 1fr auto;
  gap: 1.5rem;
  align-items: start;
  padding: 2.2rem 0;
  border-top: 1px solid var(--line);
  transition: padding-left 0.5s var(--ease);
}
.service:last-child { border-bottom: 1px solid var(--line); }
.service:hover { padding-left: 1rem; }
.service__num {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--ink-faint);
  font-weight: 600;
  padding-top: 0.5rem;
}
.service__body h3 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.3rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin-bottom: 0.6rem;
  transition: color 0.3s;
}
.service:hover .service__body h3 { color: var(--accent); }
.service__body p { color: var(--ink-dim); max-width: 56ch; }
.service__tags { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1rem; }
.tag {
  font-size: 0.78rem;
  color: var(--ink-dim);
  border: 1px solid var(--line);
  border-radius: 100px;
  padding: 0.3em 0.85em;
  letter-spacing: 0.01em;
}
.service__icon {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 2rem;
  color: var(--ink-faint);
  transition: color 0.3s, transform 0.4s var(--ease);
}
.service:hover .service__icon { color: var(--accent); transform: rotate(-8deg) scale(1.05); }

/* ---------- Feature / why grid ---------- */
.grid-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.1rem;
}
.card {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 2rem 1.8rem;
  transition: transform 0.5s var(--ease), border-color 0.4s, background 0.4s;
  position: relative;
  overflow: hidden;
}
.card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 0%), var(--glow), transparent 60%);
  opacity: 0;
  transition: opacity 0.4s;
  pointer-events: none;
}
.card:hover { transform: translateY(-5px); border-color: rgba(255,255,255,0.18); }
.card:hover::after { opacity: 1; }
.card .k {
  font-family: var(--font-display);
  font-size: 2.6rem;
  font-weight: 700;
  letter-spacing: -0.04em;
  color: var(--accent);
  line-height: 1;
}
.card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  margin: 1.2rem 0 0.5rem;
  letter-spacing: -0.02em;
}
.card p { color: var(--ink-dim); font-size: 0.97rem; }

/* ---------- Process ---------- */
.steps { display: grid; gap: 1.1rem; counter-reset: step; }
.step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.5rem;
  align-items: baseline;
  padding: 1.6rem 0;
  border-bottom: 1px solid var(--line);
}
.step__n {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.6rem;
  color: var(--accent);
  min-width: 2.4ch;
}
.step h3 { font-family: var(--font-display); font-size: 1.3rem; font-weight: 600; letter-spacing: -0.02em; }
.step p { color: var(--ink-dim); margin-top: 0.4rem; max-width: 60ch; }

/* ---------- CTA band ---------- */
.cta {
  border-radius: clamp(20px, 3vw, 32px);
  background: var(--bg-elev);
  border: 1px solid var(--line);
  padding: clamp(2.6rem, 6vw, 5rem);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta::before {
  content: "";
  position: absolute;
  width: 70%; height: 200%;
  top: -50%; left: 50%;
  transform: translateX(-50%);
  background: radial-gradient(circle, var(--glow), transparent 60%);
  pointer-events: none;
}
.cta h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 6vw, 4.2rem);
  letter-spacing: -0.04em;
  line-height: 0.98;
  position: relative;
  max-width: 18ch;
  margin: 0 auto 1.4rem;
}
.cta h2 em { font-family: var(--font-serif); font-style: italic; font-weight: 400; color: var(--accent); }
.cta p { color: var(--ink-dim); max-width: 46ch; margin: 0 auto 2rem; position: relative; }
.cta .hero-actions { justify-content: center; position: relative; }

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--line);
  padding-block: 3.5rem 2rem;
  margin-top: clamp(4rem, 8vh, 7rem);
}
.footer-top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 2.5rem;
  margin-bottom: 3rem;
}
.footer-brand { max-width: 32ch; }
.footer-brand .brand { font-size: 2rem; margin-bottom: 1rem; }
.footer-brand p { color: var(--ink-dim); }
.footer-col h4 {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--ink-faint);
  margin-bottom: 1rem;
  font-weight: 600;
}
.footer-col ul { list-style: none; display: grid; gap: 0.7rem; }
.footer-col a { color: var(--ink-dim); font-size: 0.97rem; transition: color 0.25s; }
.footer-col a:hover { color: var(--accent); }
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1.8rem;
  border-top: 1px solid var(--line);
  color: var(--ink-faint);
  font-size: 0.86rem;
}

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

/* =========================================================
   CLIENTS PAGE
   ========================================================= */
.page-hero {
  padding-top: 10rem;
  padding-bottom: 3rem;
}
.page-hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.6rem, 8vw, 6rem);
  letter-spacing: -0.045em;
  line-height: 0.95;
  margin: 1.4rem 0 1.2rem;
}
.page-hero h1 em { font-family: var(--font-serif); font-style: italic; font-weight: 400; color: var(--accent); }
.page-hero p { color: var(--ink-dim); max-width: 56ch; font-size: 1.1rem; }

.client-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2.4rem;
}
.filters { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.filter {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--ink-dim);
  border-radius: 100px;
  padding: 0.5em 1.1em;
  font-family: var(--font-body);
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.3s var(--ease);
}
.filter:hover { color: var(--ink); border-color: rgba(255,255,255,0.22); }
.filter.active { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.client-search {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  color: var(--ink);
  border-radius: 100px;
  padding: 0.65em 1.2em;
  font-family: var(--font-body);
  font-size: 0.92rem;
  min-width: 220px;
  outline: none;
  transition: border-color 0.3s;
}
.client-search:focus { border-color: var(--accent); }
.client-search::placeholder { color: var(--ink-faint); }

.client-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
  gap: 1.2rem;
}
.client-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.55s var(--ease), border-color 0.4s;
  position: relative;
}
.client-card:hover { transform: translateY(-6px); border-color: rgba(255,255,255,0.2); }
.client-thumb {
  aspect-ratio: 16 / 10;
  position: relative;
  display: grid;
  place-items: center;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}
.client-thumb .mono {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.4rem, 6vw, 3.4rem);
  letter-spacing: -0.04em;
  color: var(--ink);
  z-index: 1;
  transition: transform 0.6s var(--ease);
}
.client-card:hover .client-thumb .mono { transform: scale(1.06); }
.client-thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.9;
  background:
    radial-gradient(120% 120% at 0% 0%, var(--c1, #1c1c22), transparent 55%),
    radial-gradient(120% 120% at 100% 100%, var(--c2, #14140f), transparent 55%),
    var(--bg-soft);
  z-index: 0;
}
.client-body { padding: 1.5rem 1.5rem 1.7rem; display: flex; flex-direction: column; flex: 1; }
.client-cat {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 0.7rem;
}
.client-body h3 {
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 600;
  letter-spacing: -0.025em;
  margin-bottom: 0.5rem;
}
.client-body p { color: var(--ink-dim); font-size: 0.95rem; margin-bottom: 1.3rem; flex: 1; }
.client-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--ink);
  align-self: flex-start;
  transition: gap 0.3s var(--ease), color 0.3s;
}
.client-link:hover { color: var(--accent); gap: 0.9em; }
.client-empty {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--ink-faint);
  padding: 4rem 1rem;
  font-size: 1.05rem;
}

/* ---------- Responsive ---------- */
@media (max-width: 820px) {
  .nav-links {
    position: fixed;
    inset: 0 0 0 auto;
    width: min(80vw, 340px);
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 1.8rem;
    padding: 3rem;
    background: var(--bg-soft);
    border-left: 1px solid var(--line);
    transform: translateX(100%);
    transition: transform 0.45s var(--ease);
  }
  body.menu-open .nav-links { transform: none; }
  .nav-links a { font-size: 1.4rem; font-family: var(--font-display); color: var(--ink); }
  .nav-toggle { display: flex; z-index: 110; }
  .service { grid-template-columns: 2.5rem 1fr; }
  .service__icon { display: none; }
  .footer-top { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .rise, .reveal { opacity: 1 !important; transform: none !important; }
}

/* ---------- Contact form ---------- */
.contact-form { display: grid; gap: 0.95rem; max-width: 560px; margin: 2.2rem auto 0; text-align: left; position: relative; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.95rem; }
.field { display: grid; gap: 0.4rem; }
.field label { font-size: 0.78rem; letter-spacing: 0.05em; text-transform: uppercase; color: var(--ink-dim); font-weight: 600; }
.contact-form input,
.contact-form textarea {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  color: var(--ink);
  border-radius: 12px;
  padding: 0.85em 1em;
  font-family: var(--font-body);
  font-size: 1rem;
  outline: none;
  transition: border-color 0.3s, background 0.3s;
  width: 100%;
  resize: vertical;
}
.contact-form input::placeholder,
.contact-form textarea::placeholder { color: var(--ink-faint); }
.contact-form input:focus,
.contact-form textarea:focus { border-color: var(--accent); background: var(--bg-elev); }
.contact-form .btn { justify-self: start; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.form-status { font-size: 0.95rem; min-height: 1.2em; margin-top: 0.2rem; }
.form-status.ok { color: var(--accent); }
.form-status.err { color: #ff9b8a; }
@media (max-width: 540px) { .form-grid { grid-template-columns: 1fr; } }

/* ---------- Coming-soon client card ---------- */
.client-card.is-coming { cursor: default; }
.client-card.is-coming:hover { transform: translateY(-3px); }
.client-soon {
  position: absolute;
  top: 0.9rem; right: 0.9rem;
  z-index: 2;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--accent-ink);
  background: var(--accent);
  border-radius: 100px;
  padding: 0.35em 0.8em;
}
.client-enquire {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--accent);
  align-self: flex-start;
  cursor: pointer;
  transition: gap 0.3s var(--ease);
}
.client-enquire:hover { gap: 0.9em; }