/* ── Design Tokens ───────────────────────────────────────────────── */
:root {
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Palette — dark agency */
  --color-bg:          #0c0e14;
  --color-bg-2:        #12151f;
  --color-bg-3:        #1a1e2e;
  --color-border:      rgba(255,255,255,0.08);
  --color-text:        #f0f0f5;
  --color-text-muted:  #8a8fa8;
  --color-accent:      #f59e0b;
  --color-accent-dark: #d97706;
  --color-accent-2:    #3b82f6;

  /* Nav */
  --nav-h:         68px;
  --color-nav-bg:  #0c0e14;

  /* Spacing */
  --sp-1: 0.25rem;
  --sp-2: 0.5rem;
  --sp-3: 0.75rem;
  --sp-4: 1rem;
  --sp-5: 1.25rem;
  --sp-6: 1.5rem;
  --sp-8: 2rem;
  --sp-10: 2.5rem;
  --sp-12: 3rem;
  --sp-16: 4rem;
  --sp-20: 5rem;
  --sp-24: 6rem;

  /* Type scale */
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-lg:   1.125rem;
  --text-xl:   1.25rem;
  --text-2xl:  1.5rem;
  --text-3xl:  1.875rem;
  --text-4xl:  2.25rem;
  --text-5xl:  3rem;

  /* Layout */
  --container-max: 1200px;
  --container-pad: clamp(1rem, 5vw, 2.5rem);

  /* Z-index */
  --z-nav:     100;
  --z-overlay: 200;

  /* Radius */
  --radius-sm:  4px;
  --radius:     8px;
  --radius-lg:  12px;
  --radius-xl:  20px;

  /* Shadows */
  --shadow:    0 4px 24px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.5);
}

/* ── Reset ────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img, picture, video, canvas { display: block; max-width: 100%; }
input, button, textarea, select { font: inherit; }
p, h1, h2, h3, h4, h5, h6 { overflow-wrap: break-word; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }

/* ── Layout Helpers ───────────────────────────────────────────────── */
.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}
.section {
  padding-block: var(--sp-20);
}

/* ── Typography ───────────────────────────────────────────────────── */
.eyebrow {
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin: 0 0 var(--sp-4);
}
.section-header {
  margin-bottom: var(--sp-12);
}
.section-title {
  font-size: clamp(var(--text-2xl), 4vw, var(--text-4xl));
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--color-text);
}
.section-cta {
  margin-top: var(--sp-12);
  text-align: center;
}

/* ── Buttons ──────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 0.75em 1.75em;
  font-size: var(--text-base);
  font-weight: 600;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s, background 0.15s, color 0.15s;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn--primary {
  background: var(--color-accent);
  color: #0c0e14;
  border-color: var(--color-accent);
}
.btn--primary:hover {
  background: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
}
.btn--ghost {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn--ghost:hover {
  border-color: rgba(255,255,255,0.3);
  background: rgba(255,255,255,0.05);
}
.btn--outline {
  background: transparent;
  color: var(--color-accent);
  border-color: var(--color-accent);
}
.btn--outline:hover {
  background: var(--color-accent);
  color: #0c0e14;
}
.btn--lg {
  font-size: var(--text-lg);
  padding: 0.875em 2.25em;
}
.btn--full { width: 100%; justify-content: center; }
.btn svg { width: 16px; height: 16px; }

/* ── Navigation ───────────────────────────────────────────────────── */
.nav-wrapper {
  position: sticky;
  top: 0;
  z-index: var(--z-nav);
}
/* CRITICAL: NEVER add backdrop-filter, filter, or transform to .nav
   They create a CSS containing block that traps position:fixed children */
.nav {
  background: var(--color-nav-bg);
  border-bottom: 1px solid var(--color-border);
  height: var(--nav-h);
}
.nav__inner {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-8);
}
.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  font-weight: 700;
  font-size: var(--text-lg);
  color: var(--color-text);
  flex-shrink: 0;
}
.nav__logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: #ffffff;
  color: #0c0e14;
  font-weight: 800;
  font-size: var(--text-sm);
  border-radius: var(--radius-sm);
  letter-spacing: 0.02em;
}
.nav__logo-text { font-weight: 700; }
.nav__menu {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  margin: 0;
}
.nav__link {
  display: flex;
  align-items: center;
  padding: var(--sp-2) var(--sp-3);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  border-radius: var(--radius);
  transition: color 0.15s, background 0.15s;
}
.nav__link:hover,
.nav__link--active { color: var(--color-text); }
.nav__link--cta {
  background: var(--color-accent);
  color: #0c0e14;
  font-weight: 600;
  margin-left: var(--sp-3);
  padding: var(--sp-2) var(--sp-5);
}
.nav__link--cta:hover { background: var(--color-accent-dark); color: #0c0e14; }
.nav__toggle {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: var(--sp-3);
  min-width: 44px;
  min-height: 44px;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: var(--z-nav);
}
.nav__toggle-line {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform 0.2s, opacity 0.2s;
}
/* Hamburger to X animation */
.nav--open .nav__toggle-line:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav--open .nav__toggle-line:nth-child(2) { opacity: 0; }
.nav--open .nav__toggle-line:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Hero ─────────────────────────────────────────────────────────── */
.hero {
  position: relative;
  overflow: hidden;
  padding-block: var(--sp-24);
  border-bottom: 1px solid var(--color-border);
  text-align: center;
}
.hero__bg-picture { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.hero__bg-img     { width: 100%; height: 100%; object-fit: cover; object-position: center 30%; display: block; }
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(10,10,20,0.45) 0%, rgba(10,10,20,0.60) 100%);
  pointer-events: none;
}
.hero__inner { position: relative; z-index: 1; }
  max-width: 800px;
}
.hero__heading {
  font-size: clamp(2.5rem, 7vw, 4.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin: 0 0 var(--sp-6);
  background: linear-gradient(135deg, #ffffff 30%, #f0c040);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero__sub {
  font-size: clamp(var(--text-base), 2.5vw, var(--text-xl));
  color: var(--color-text-muted);
  margin: 0 0 var(--sp-10);
  max-width: 600px;
  margin-inline: auto;
  margin-bottom: var(--sp-10);
}
.hero__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-4);
  flex-wrap: wrap;
}

/* ── Work Grid ────────────────────────────────────────────────────── */
.work-grid { background: var(--color-bg); }
.work-grid__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: var(--sp-6);
}
.work-card {
  background: var(--color-bg-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}
.work-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(245,158,11,0.3);
}
.work-card__link {
  display: block;
  height: 100%;
}
.work-card__thumb {
  aspect-ratio: 3/2;
  overflow: hidden;
  background: var(--color-bg-3);
  position: relative;
}
.work-card__thumb picture {
  display: block;
  width: 100%;
  height: 100%;
}
.work-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
  transition: transform 0.35s;
}
.work-card:hover .work-card__thumb img { transform: scale(1.03); }
.work-card__placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-bg-3), var(--color-bg-2));
}
.work-card__placeholder-text {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.work-card__body {
  padding: var(--sp-6);
}
.work-card__industry {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin: 0 0 var(--sp-2);
}
.work-card__title {
  font-size: var(--text-xl);
  font-weight: 700;
  margin: 0 0 var(--sp-3);
  color: var(--color-text);
}
.work-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  margin: 0 0 var(--sp-4);
}
.work-card__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-accent);
  transition: gap 0.15s;
}
.work-card:hover .work-card__cta { gap: var(--sp-3); }
.work-card__arrow {
  width: 16px;
  height: 16px;
}

/* ── Services ─────────────────────────────────────────────────────── */
.services {
  background: var(--color-bg-2);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: var(--sp-6);
}
.service-card {
  padding: var(--sp-6);
  background: var(--color-bg-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}
.service-card__icon {
  width: 40px;
  height: 40px;
  color: var(--color-accent);
  margin-bottom: var(--sp-4);
}
.service-card__icon svg { width: 100%; height: 100%; }
.service-card__title {
  font-size: var(--text-lg);
  font-weight: 700;
  margin: 0 0 var(--sp-3);
  color: var(--color-text);
}
.service-card__body {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin: 0;
  line-height: 1.65;
}

/* ── About Strip ──────────────────────────────────────────────────── */
.about-strip {
  background: var(--color-bg);
}
.about-strip__inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--sp-16);
  align-items: center;
}
.about-strip__heading {
  font-size: clamp(var(--text-2xl), 4vw, var(--text-4xl));
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin: 0 0 var(--sp-5);
  color: var(--color-text);
}
.about-strip__body {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  margin: 0 0 var(--sp-8);
  max-width: 560px;
}
.about-strip__stats {
  display: flex;
  flex-direction: column;
  gap: var(--sp-8);
  flex-shrink: 0;
}
.stat {
  text-align: right;
}
.stat__num {
  display: block;
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1;
  color: var(--color-accent);
  letter-spacing: -0.02em;
}
.stat__label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-weight: 500;
  margin-top: var(--sp-1);
}

/* ── Contact CTA ──────────────────────────────────────────────────── */
.contact-cta {
  background: linear-gradient(135deg, var(--color-bg-3) 0%, var(--color-bg-2) 100%);
  border-top: 1px solid var(--color-border);
  text-align: center;
}
.contact-cta__inner {
  max-width: 600px;
}
.contact-cta__heading {
  font-size: clamp(var(--text-2xl), 4vw, var(--text-4xl));
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 var(--sp-5);
}
.contact-cta__sub {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  margin: 0 0 var(--sp-8);
}

/* ── Page Banner ──────────────────────────────────────────────────── */
.page-banner {
  padding-block: var(--sp-16) var(--sp-12);
  background: var(--color-bg-2);
  border-bottom: 1px solid var(--color-border);
}
.page-banner--simple .container { max-width: 800px; }
.page-banner__title {
  font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl));
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin: 0 0 var(--sp-4);
  color: var(--color-text);
}
.page-banner__sub {
  font-size: var(--text-xl);
  color: var(--color-text-muted);
  margin: 0;
  max-width: 600px;
}

/* ── About / Prose ────────────────────────────────────────────────── */
.prose-container { max-width: 720px; }
.prose { line-height: 1.75; color: var(--color-text-muted); }
.prose h2 { color: var(--color-text); font-weight: 700; margin-top: var(--sp-10); margin-bottom: var(--sp-4); }
.prose p { margin: 0 0 var(--sp-5); }
.prose a { color: var(--color-accent); text-decoration: underline; }
.prose ul { list-style: disc; padding-left: var(--sp-6); margin-bottom: var(--sp-5); }
.project-link { margin-top: var(--sp-8); }
.project-link .btn svg { width: 16px; height: 16px; }

/* ── Contact Page ─────────────────────────────────────────────────── */
.contact-page .section-header { text-align: left; }
.contact-page .section-title { font-size: clamp(var(--text-2xl), 4vw, var(--text-4xl)); }
.contact-page__sub { font-size: var(--text-lg); color: var(--color-text-muted); margin-top: var(--sp-4); }
.contact-page__grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--sp-16);
  align-items: start;
  margin-top: var(--sp-12);
}
.contact-page__info-heading {
  font-size: var(--text-2xl);
  font-weight: 700;
  margin: 0 0 var(--sp-4);
  color: var(--color-text);
}
.contact-page__info p { color: var(--color-text-muted); margin: 0 0 var(--sp-6); }
.contact-page__details { display: flex; flex-direction: column; gap: var(--sp-4); }
.contact-page__details li {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  color: var(--color-text-muted);
  font-size: var(--text-base);
}
.contact-page__details li svg { width: 20px; height: 20px; color: var(--color-accent); flex-shrink: 0; }
.contact-page__details a { color: var(--color-text); }
.contact-page__details a:hover { color: var(--color-accent); }

/* ── Contact Form ─────────────────────────────────────────────────── */
.contact-form {
  background: var(--color-bg-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--sp-8);
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
}
.form-group { display: flex; flex-direction: column; gap: var(--sp-2); }
.form-label { font-size: var(--text-sm); font-weight: 600; color: var(--color-text); }
.form-input,
.form-textarea {
  background: var(--color-bg-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  color: var(--color-text);
  padding: 0.75em 1em;
  font-size: var(--text-base);
  transition: border-color 0.15s, box-shadow 0.15s;
  outline: none;
  width: 100%;
}
.form-input:focus,
.form-textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(245,158,11,0.15);
}
.form-input::placeholder,
.form-textarea::placeholder { color: var(--color-text-muted); opacity: 0.6; }
.form-textarea { resize: vertical; min-height: 120px; }
.form-status {
  font-size: var(--text-sm);
  min-height: 1.4em;
  color: var(--color-text-muted);
  margin: 0;
  text-align: center;
}
.form-status.success { color: #4ade80; }
.form-status.error { color: #f87171; }

/* ── Footer ───────────────────────────────────────────────────────── */
.footer {
  background: var(--color-bg-2);
  border-top: 1px solid var(--color-border);
  padding-block: var(--sp-10);
}
.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-8);
  flex-wrap: wrap;
}
.footer__brand {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}
.footer__name { font-weight: 700; font-size: var(--text-base); }
.footer__nav {
  display: flex;
  gap: var(--sp-6);
}
.footer__nav a {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-weight: 500;
  transition: color 0.15s;
}
.footer__nav a:hover { color: var(--color-text); }
.footer__copy {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  margin: 0;
  width: 100%;
  text-align: center;
  padding-top: var(--sp-8);
  border-top: 1px solid var(--color-border);
}

/* ── 404 Page ─────────────────────────────────────────────────────── */
.error-404 { min-height: 60vh; display: flex; align-items: center; justify-content: center; text-align: center; }
.error-404__inner { max-width: 600px; padding: 4rem 1.5rem; }
.error-404__code { font-family: var(--font-sans); font-size: clamp(6rem, 20vw, 12rem); line-height: 1; color: var(--color-accent); margin: 0 0 1rem; letter-spacing: 0.05em; font-weight: 800; }
.error-404__title { font-family: var(--font-sans); font-size: clamp(1.5rem, 4vw, 2.5rem); color: var(--color-text); margin: 0 0 1rem; }
.error-404__message { color: var(--color-text-muted); font-size: 1rem; margin: 0 0 2rem; }

/* ── Mobile Nav ───────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .nav__toggle { display: flex; }
  .nav__menu {
    display: none;
  }
  .nav--open .nav__menu {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-bg);
    padding: var(--sp-4) 0;
    gap: 0;
    overflow-y: auto;
    z-index: calc(var(--z-nav) - 1);
    border-top: 1px solid var(--color-border);
  }
  .nav--open .nav__item { width: 100%; border-bottom: 1px solid var(--color-border); }
  .nav--open .nav__item:first-child { border-top: 1px solid var(--color-border); }
  .nav--open .nav__link {
    display: flex;
    align-items: center;
    padding: var(--sp-4) var(--container-pad);
    min-height: 56px;
    font-size: var(--text-base);
    font-weight: 600;
    width: 100%;
    color: var(--color-text);
  }
  .nav--open .nav__link--cta {
    background: transparent;
    color: var(--color-accent);
    margin-left: 0;
  }
  .nav--open .nav__link:hover,
  .nav--open .nav__link--active { background: rgba(255,255,255,.04); }
}

/* ── Responsive ───────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .about-strip__inner {
    grid-template-columns: 1fr;
  }
  .about-strip__stats {
    flex-direction: row;
    justify-content: flex-start;
  }
  .stat { text-align: left; }
  .contact-page__grid {
    grid-template-columns: 1fr;
    gap: var(--sp-10);
  }
  .footer__inner {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--sp-6);
  }
  .footer__copy { text-align: left; }
}
@media (max-width: 640px) {
  .hero { padding-block: var(--sp-16); }
  .section { padding-block: var(--sp-16); }
  .hero__actions { flex-direction: column; align-items: stretch; }
  .hero__actions .btn { justify-content: center; }
  .work-grid__grid { grid-template-columns: 1fr; }
  .services__grid { grid-template-columns: 1fr; }
  .about-strip__stats { flex-direction: column; gap: var(--sp-5); }
}