/* ==========================================================================
   3rd Door Marketing — tokens, base, shared components
   Palette + type from the Brand Identity deck
   ========================================================================== */
:root {
  --black: #0b0b0b;
  --orange: #ff4a00;
  --graphite: #6b6b6b;
  --white: #f8f7f5;
  --paper: #efedea;
  --concrete: #e4e2de;
  --ink-soft: #3d3d3d;
  --line: rgba(11, 11, 11, 0.12);
  --line-inverse: rgba(248, 247, 245, 0.14);

  --font: "Inter Tight", system-ui, -apple-system, "Segoe UI", sans-serif;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.5vw, 1.375rem);
  --text-h3: clamp(1.375rem, 1.1rem + 1vw, 1.875rem);
  --text-h2: clamp(2.25rem, 1.4rem + 3.6vw, 4.5rem);
  --text-hero: clamp(2.6rem, 1rem + 4.6vw, 5.75rem);
  --text-mega: clamp(3.5rem, 1rem + 9vw, 10rem);
  --text-stat: clamp(2.5rem, 1.8rem + 3vw, 4.25rem);

  --tracking-label: 0.28em;
  --gutter: clamp(1rem, 0.5rem + 3vw, 3rem);
  --max: 1320px;
  --header-h: 76px;
  --space-section: clamp(4.5rem, 3rem + 6vw, 9rem);

  --radius-pill: 999px;
  --shadow-lift: 0 30px 60px -30px rgba(11, 11, 11, 0.45);
  --duration-fast: 160ms;
  --duration-normal: 320ms;
  --duration-slow: 900ms;
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);

  --grain: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.5'/%3E%3C/svg%3E");
}

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

html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }

body {
  margin: 0;
  background: var(--white);
  color: var(--black);
  font-family: var(--font);
  font-size: var(--text-base);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
h1, h2, h3, p, ul, ol, figure, blockquote { margin: 0; }
ul, ol { padding: 0; list-style: none; }

:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
  border-radius: 2px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -100px;
  z-index: 100;
  padding: 0.75rem 1rem;
  background: var(--black);
  color: var(--white);
  font-weight: 600;
}
.skip-link:focus { top: 1rem; }

.wrap {
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ---------- Brand primitives ---------- */
.dash {
  display: block;
  width: 44px;
  height: 4px;
  background: var(--orange);
}

.label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  margin-bottom: 1.5rem;
  color: var(--ink-soft);
}
.eyebrow::before {
  content: "";
  flex: none;
  width: 28px;
  height: 3px;
  background: var(--orange);
}

.display {
  font-weight: 900;
  line-height: 0.92;
  letter-spacing: -0.035em;
  text-transform: uppercase;
}
.display em { font-style: normal; color: var(--orange); }

.h2 { font-size: var(--text-h2); }

.lede {
  max-width: 40ch;
  font-size: var(--text-lg);
  color: var(--ink-soft);
}

/* ---------- Logo ---------- */
.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
}
.logo__mark { width: 34px; height: auto; }
.logo__word { display: flex; flex-direction: column; line-height: 1; }
.logo__name { font-size: 1.2rem; font-weight: 800; letter-spacing: -0.02em; }
.logo__sub {
  margin-top: 0.3rem;
  font-size: 0.56rem;
  font-weight: 500;
  letter-spacing: 0.42em;
}

/* ---------- Buttons ---------- */
.btn {
  --btn-bg: var(--black);
  --btn-fg: var(--white);
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.4rem 1.5rem 0.4rem 0.4rem;
  border: 0;
  border-radius: var(--radius-pill);
  background: var(--btn-bg);
  color: var(--btn-fg);
  font: 600 var(--text-sm) / 1 var(--font);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: transform var(--duration-fast) var(--ease-out-expo),
    box-shadow var(--duration-normal) var(--ease-out-expo);
}
.btn__icon {
  display: grid;
  place-items: center;
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 50%;
  background: var(--orange);
  color: var(--black);
  transition: transform var(--duration-normal) var(--ease-out-expo);
}
.btn__icon svg { width: 1.1rem; height: 1.1rem; }
.btn:hover { box-shadow: 0 14px 30px -14px rgba(255, 74, 0, 0.7); }
.btn:hover .btn__icon { transform: translateX(4px) rotate(-8deg); }
.btn:active { transform: scale(0.97); }
.btn--sm { padding: 0.3rem 1.1rem 0.3rem 0.3rem; font-size: 0.72rem; }
.btn--sm .btn__icon { width: 2.1rem; height: 2.1rem; }
.btn--light { --btn-bg: var(--white); --btn-fg: var(--black); }

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding-bottom: 0.2rem;
  border-bottom: 2px solid var(--orange);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
}
.text-link svg { width: 1rem; height: 1rem; transition: transform var(--duration-normal) var(--ease-out-expo); }
.text-link:hover svg { transform: translateX(5px); }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  transition: background var(--duration-normal), border-color var(--duration-normal);
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
  background: rgba(248, 247, 245, 0.88);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom-color: var(--line);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  height: var(--header-h);
}

.nav { display: flex; align-items: center; gap: 2.25rem; }
.nav__list { display: flex; gap: 2rem; }
.nav__link {
  position: relative;
  font-size: var(--text-sm);
  font-weight: 500;
  text-decoration: none;
}
.nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 100%;
  height: 2px;
  background: var(--orange);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration-normal) var(--ease-out-expo);
}
.nav__link:hover::after { transform: scaleX(1); }

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  background: none;
  color: var(--black);
  cursor: pointer;
}
.nav-toggle span:not(.visually-hidden) {
  display: block;
  width: 24px;
  height: 2px;
  margin: 6px auto;
  background: currentColor;
  transition: transform var(--duration-normal) var(--ease-out-expo), opacity var(--duration-fast);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* scroll progress bar under the header */
.progress {
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 100%;
  height: 2px;
  background: var(--orange);
  transform: scaleX(var(--page, 0));
  transform-origin: left;
}

/* ---------- Footer ---------- */
.site-footer {
  padding-block: 3.5rem 2.5rem;
  background: var(--black);
  color: rgba(248, 247, 245, 0.7);
  border-top: 1px solid var(--line-inverse);
}
.site-footer__top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--line-inverse);
}
.site-footer .logo { color: var(--white); }
.site-footer__links { display: flex; flex-wrap: wrap; gap: 1.75rem; }
.site-footer__links a { font-size: var(--text-sm); text-decoration: none; }
.site-footer__links a:hover { color: var(--orange); }
.site-footer__legal { padding-top: 2rem; font-size: var(--text-xs); line-height: 1.7; }
.site-footer__legal p + p { margin-top: 0.75rem; }

/* ---------- Reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--duration-slow) var(--ease-out-expo),
    transform var(--duration-slow) var(--ease-out-expo);
}
.reveal.is-visible { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: 90ms; }
.reveal[data-delay="2"] { transition-delay: 180ms; }
.reveal[data-delay="3"] { transition-delay: 270ms; }
.no-js .reveal { opacity: 1; transform: none; }

@media (max-width: 900px) {
  .nav-toggle { display: block; }
  .nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 1.5rem;
    padding: 1.5rem var(--gutter) 2rem;
    background: var(--white);
    border-bottom: 1px solid var(--line);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-12px);
    transition: transform var(--duration-normal) var(--ease-out-expo), opacity var(--duration-normal),
      visibility 0s linear var(--duration-normal);
  }
  .nav.is-open { opacity: 1; visibility: visible; transform: none; transition-delay: 0s; }
  .nav__list { flex-direction: column; gap: 0; }
  .nav__link {
    display: block;
    padding: 0.9rem 0;
    border-bottom: 1px solid var(--line);
    font-size: 1.25rem;
    font-weight: 700;
  }
  .nav__link::after { display: none; }
  .nav .btn { align-self: flex-start; }
  .site-header:has(.nav.is-open) { background: var(--white); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    transition-delay: 0ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}