/* ============================================================
   Birmingham Christmas Lights — direction hub
   Built on the Nick the Marketer system: Teko display,
   Instrument Serif italic accents, JetBrains Mono labels,
   coral #ED5B3E on near-black.
   ============================================================ */

:root {
  --coral:      #ED5B3E;
  --coral-deep: #D14526;
  --black:      #161513;
  --black-2:    #1F1E1B;
  --slate:      #5E727F;
  --paper:      #FFFFFF;
  --paper-2:    #F9F9F9;
  --line:       #EFEFEF;
  --line-dark:  rgba(255, 255, 255, .14);
  --ink:        #161513;
  --ink-soft:   #5A5A56;
  --ink-onDark: rgba(255, 255, 255, .72);

  --font-display: "Teko", "Helvetica Neue", Arial, sans-serif;
  --font-accent:  "Instrument Serif", Georgia, serif;
  --font-body:    "Open Sans", "Helvetica Neue", Arial, sans-serif;
  --font-mono:    "JetBrains Mono", ui-monospace, SFMono-Regular, monospace;

  --text-xs:   .75rem;
  --text-sm:   .9375rem;
  --text-base: 1rem;
  --text-lg:   clamp(1.0625rem, 1rem + .3vw, 1.1875rem);
  --text-h3:   clamp(2.25rem, 1.5rem + 2.6vw, 3.75rem);
  --text-h2:   clamp(2.5rem, 1.6rem + 3.2vw, 4.5rem);
  --text-h1:   clamp(3.25rem, 1.5rem + 6.4vw, 7.5rem);

  --shell: min(100% - 2.5rem, 80rem);
  --space-section: clamp(4.5rem, 3rem + 6vw, 9rem);

  --dur-fast: 160ms;
  --dur:      320ms;
  --ease:     cubic-bezier(.16, 1, .3, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--ink-soft);
  background: var(--black);
  overflow-x: hidden;
}

img, svg { max-width: 100%; display: block; }
a { color: inherit; }

.shell { width: var(--shell); margin-inline: auto; }

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: .92;
  letter-spacing: -.035em;
  color: var(--paper);
  margin: 0;
  text-wrap: balance;
}
p { margin: 0 0 1.1em; }
p:last-child { margin-bottom: 0; }

.skip-link {
  position: absolute; left: .75rem; top: -4rem; z-index: 99;
  background: var(--coral); color: #fff;
  padding: .65rem 1.1rem; border-radius: 999px;
  font-family: var(--font-mono); font-size: var(--text-xs);
  text-decoration: none;
  transition: top var(--dur-fast) var(--ease);
}
.skip-link:focus-visible { top: .75rem; }

:where(a, button, [tabindex]):focus-visible {
  outline: 2px solid var(--coral);
  outline-offset: 4px;
  border-radius: 4px;
}

/* ---------- system pieces ---------- */

/* the "/ LABEL" mono tag NTM uses above every section */
.label {
  display: flex; align-items: center; gap: .6rem;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 400;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-onDark);
  margin: 0 0 1.4rem;
}
.label::before {
  content: "/";
  color: var(--coral);
  font-weight: 500;
}
.label-inline { margin: 0; }
.label-dark { color: var(--ink-soft); }

/* the italic serif second half of every headline */
.accent, .accent-dark {
  position: relative;
  font-family: var(--font-accent);
  font-style: italic;
  font-weight: 400;
  letter-spacing: -.01em;
  color: var(--coral);
}
.swoosh {
  position: absolute;
  left: 0; right: 0; bottom: -.06em;
  width: 100%; height: .16em;
  color: var(--coral);
  overflow: visible;
}
.swoosh path {
  stroke-dasharray: 460;
  stroke-dashoffset: 460;
  animation: draw 900ms var(--ease) 350ms forwards;
}
@keyframes draw { to { stroke-dashoffset: 0; } }

.btn {
  --btn-bg: var(--coral);
  --btn-fg: #fff;
  --btn-hover: var(--coral-deep);
  --btn-border: transparent;
  display: inline-flex; align-items: center; gap: .65rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.0625rem;
  letter-spacing: .02em;
  text-decoration: none;
  padding: .8rem 1.65rem;
  color: var(--btn-fg);
  background: var(--btn-bg);
  border: 1px solid var(--btn-border);
  border-radius: 999px;
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}
.btn:hover { background: var(--btn-hover); transform: translateY(-2px); }
.btn .arrow { transition: transform var(--dur-fast) var(--ease); }
.btn:hover .arrow { transform: translateX(4px); }

.btn-coral { --btn-bg: var(--coral); --btn-hover: var(--coral-deep); }
.btn-ghost {
  --btn-bg: transparent;
  --btn-hover: rgba(255, 255, 255, .1);
  --btn-border: var(--line-dark);
}
.reference .btn-ghost { --btn-border: var(--line-dark); }

/* ══════════════ HEADER ══════════════ */

.site-header {
  border-bottom: 1px solid var(--line-dark);
  background: var(--black);
}
.header-inner {
  display: flex; align-items: center; gap: 1.5rem;
  padding-block: 1.1rem;
}
.ntm-logo { display: block; }
.ntm-logo img { width: auto; height: 34px; }
.header-inner .label-inline { margin-inline-start: auto; }

@media (max-width: 720px) {
  .header-inner .btn { display: none; }
  .header-inner .label-inline { margin-inline-start: auto; }
}

/* ══════════════ HERO ══════════════ */

.hero {
  position: relative;
  background:
    radial-gradient(120% 90% at 85% 0%, rgba(237, 91, 62, .16), transparent 62%),
    var(--black);
  padding-block: clamp(3.5rem, 2rem + 6vw, 7rem) clamp(3rem, 2rem + 4vw, 5rem);
}
.hero h1 {
  font-size: var(--text-h1);
  max-width: 14ch;
  margin-bottom: clamp(2.5rem, 1.5rem + 4vw, 5rem);
}
.hero h1 .accent { display: inline-block; }

.hero-foot {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, .85fr);
  gap: clamp(2rem, 1rem + 4vw, 5rem);
  align-items: start;
  padding-top: 2.25rem;
  border-top: 1px solid var(--line-dark);
}
.hero-lede {
  max-width: 48ch;
  font-size: var(--text-lg);
  color: var(--ink-onDark);
}

.hero-meta { margin: 0; display: grid; gap: 1.1rem; }
.hero-meta > div {
  display: grid; grid-template-columns: 7rem 1fr; gap: 1rem;
  padding-bottom: 1.1rem;
  border-bottom: 1px solid var(--line-dark);
}
.hero-meta > div:last-child { border-bottom: 0; padding-bottom: 0; }
.hero-meta dt {
  font-family: var(--font-mono); font-size: var(--text-xs);
  letter-spacing: .12em; text-transform: uppercase;
  color: rgba(255, 255, 255, .42);
}
.hero-meta dd {
  margin: 0;
  font-size: var(--text-sm); font-weight: 600;
  color: var(--paper);
  display: flex; align-items: center; gap: .55rem;
}
.dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--coral);
  box-shadow: 0 0 0 4px rgba(237, 91, 62, .2);
  animation: pulse 2.2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(237, 91, 62, .2); }
  50%      { box-shadow: 0 0 0 8px rgba(237, 91, 62, .06); }
}

.hero-rule {
  position: absolute; left: 0; right: 0; bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--coral) 0 28%, var(--line-dark) 28% 100%);
}

@media (max-width: 860px) {
  .hero-foot { grid-template-columns: 1fr; }
}

/* ══════════════ DIRECTIONS ══════════════ */

.directions {
  background: var(--paper);
  padding-block: var(--space-section);
}
.directions h2, .reference h2 { color: var(--ink); }
.section-head {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr);
  gap: clamp(1.5rem, 1rem + 3vw, 4rem);
  align-items: end;
  padding-bottom: 2.5rem;
  margin-bottom: clamp(2rem, 1rem + 3vw, 3.5rem);
  border-bottom: 1px solid var(--line);
}
.section-head h2 { font-size: var(--text-h2); }
.section-note { font-size: var(--text-sm); max-width: 40ch; }

@media (max-width: 860px) { .section-head { grid-template-columns: 1fr; } }

.cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(1rem, .5rem + 1.5vw, 2rem);
}
.card {
  position: relative;
  display: flex; flex-direction: column;
  padding: clamp(1.75rem, 1.2rem + 2vw, 3rem);
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: 1.25rem;
  overflow: hidden;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.card::before {
  content: "";
  position: absolute; inset: 0 0 auto; height: 4px;
  background: var(--stripe);
  transform: scaleX(0); transform-origin: left;
  transition: transform var(--dur) var(--ease);
}
.card:hover { transform: translateY(-6px); box-shadow: 0 34px 60px -38px rgba(22, 21, 19, .45); }
.card:hover::before { transform: scaleX(1); }

.card-playful   { --stripe: linear-gradient(90deg, #23b3c4, #f7941d, #e02424, #1f9d4d); }
.card-corporate { --stripe: linear-gradient(90deg, #16294A, #C8202E, #E0A83C); }

.card-index {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--coral);
  margin-bottom: 1.5rem;
}
.card-index span { color: var(--ink-soft); }

.card h3 { font-size: var(--text-h3); color: var(--ink); margin-bottom: .75rem; }
.card-lede { font-size: var(--text-sm); max-width: 34ch; margin-bottom: 2rem; }

.swatches {
  list-style: none; margin: 0 0 2rem; padding: 0;
  display: flex; flex-wrap: wrap; gap: 1.25rem;
}
.swatches li {
  display: flex; align-items: center; gap: .55rem;
  font-family: var(--font-mono); font-size: var(--text-xs);
  letter-spacing: .06em; text-transform: uppercase;
  color: var(--ink-soft);
}
.swatches i {
  width: 18px; height: 18px; border-radius: 50%;
  background: var(--c);
  box-shadow: inset 0 0 0 1px rgba(22, 21, 19, .14);
}

.specs { list-style: none; margin: 0 0 2.25rem; padding: 0; display: grid; gap: 0; }
.specs li {
  display: grid; grid-template-columns: 6.5rem 1fr; gap: 1rem;
  padding: .85rem 0;
  font-size: var(--text-sm);
  color: var(--ink);
  border-top: 1px solid var(--line);
}
.specs li:last-child { border-bottom: 1px solid var(--line); }
.specs span {
  font-family: var(--font-mono); font-size: var(--text-xs);
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--ink-soft);
  align-self: center;
}

.card-cta { align-self: flex-start; margin-top: auto; }

@media (max-width: 800px) { .cards { grid-template-columns: 1fr; } }

/* ══════════════ REFERENCE ══════════════ */

.reference {
  background: var(--black);
  padding-block: var(--space-section);
  border-top: 1px solid var(--line-dark);
}
.reference h2 { color: var(--paper); font-size: clamp(2rem, 1.4rem + 2.2vw, 3.25rem); margin-bottom: 1.25rem; }
.reference-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  gap: clamp(2.5rem, 1.5rem + 4vw, 5rem);
  align-items: center;
}
.reference-note { max-width: 46ch; color: var(--ink-onDark); margin-bottom: 2rem; }

.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; counter-reset: s; }
.steps li {
  display: flex; align-items: baseline; gap: 1.25rem;
  padding: 1.35rem 0;
  border-top: 1px solid var(--line-dark);
  font-family: var(--font-display);
  font-size: 1.5rem; font-weight: 500;
  letter-spacing: -.01em;
  color: var(--paper);
}
.steps li:last-child { border-bottom: 1px solid var(--line-dark); }
.steps-n {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: .12em;
  color: var(--coral);
}

@media (max-width: 860px) { .reference-inner { grid-template-columns: 1fr; } }

/* ══════════════ FOOTER ══════════════ */

.site-footer { background: var(--black); border-top: 1px solid var(--line-dark); }
.footer-inner {
  display: flex; flex-wrap: wrap; align-items: center; gap: 1.25rem 2.5rem;
  padding-block: 2.5rem;
}
.footer-inner .ntm-logo img { height: 28px; }
.footer-inner .label { margin: 0; }
.footer-legal {
  margin: 0 0 0 auto;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, .38);
}
.footer-legal a {
  color: rgba(255, 255, 255, .62);
  text-decoration: none;
  border-bottom: 1px solid var(--line-dark);
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}
.footer-legal a:hover { color: var(--coral); border-color: var(--coral); }

@media (max-width: 640px) { .footer-legal { margin-inline-start: 0; } }

/* ══════════════ MOTION ══════════════ */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .swoosh path { stroke-dashoffset: 0; }
}