/* ==========================================================================
   site.css — Tyler Roofing Company. Brief's components, built FROM tokens.
   HARD RULE (house-tech-spec §3): no raw hex/px/rem/font-name literal in this
   file — tokens only, except the house breakpoints and an explicit
   `@allow-literal: reason` comment on the preceding line.
   ========================================================================== */

/* --- Layout primitives ---------------------------------------------------- */

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

.measure {
  max-width: var(--layout-measure);
}

/* Eyebrows — authored in natural case, uppercased HERE (house-tech-spec §8). */
.eyebrow {
  font-family: var(--font-body);
  font-size: var(--text-eyebrow);
  font-weight: var(--font-weight-body-strong);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-ink-muted);
}

/* --- Header & navigation --------------------------------------------------
   Progressive enhancement: with JS off the nav list is a plain, always-visible
   list of links and the toggle stays [hidden] (it ships hidden in the HTML;
   main.js reveals it). With JS on, narrow viewports collapse the list behind
   the toggle. Nothing about navigation depends on JavaScript.              */

.site-header {
  position: relative;
  z-index: var(--z-header);
  padding-block: var(--space-sm);
  border-bottom: var(--border-hairline) var(--border-style) var(--color-border);
  background-color: var(--color-bg);
}

/* Desktop row (brief §5, 1440px arithmetic): --space-md padding × 2 + ~28px
   content ≈ 76px target, single horizontal row (wordmark left, nav + phone
   CTA right). */
@media (min-width: 48em) {
  .site-header {
    padding-block: var(--space-md);
  }
}

.site-header__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
}

.site-header__brand {
  font-family: var(--font-display);
  font-size: var(--text-h3);
  font-weight: var(--font-weight-display);
  text-decoration: none;
  letter-spacing: var(--tracking-tight);
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  padding: var(--space-2xs) var(--space-xs);
  /* The nav-toggle's only shape is this hairline, so it is a CONTROL boundary
     (WCAG 1.4.11, >= 3:1), not a decorative one — use --color-border-strong. */
  border: var(--border-hairline) var(--border-style) var(--color-border-strong);
  border-radius: var(--radius-sm);
  font-size: var(--text-small);
  font-weight: var(--font-weight-body-strong);
}

.site-nav__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm);
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav__link {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  font-size: var(--text-small);
  font-weight: var(--font-weight-body-strong);
}

.site-nav__link:hover,
.site-nav__link:focus-visible {
  text-decoration: underline;
  text-underline-offset: var(--space-3xs);
}

/* House default: closed below 48em with no JS gate, so nothing collapses
   post-paint (the CLS 0.066-0.094 timing race this replaces). JS-off visitors
   get the nav back via the <noscript> override in @shared:head-boilerplate. */
.site-nav {
  display: none;
}

[data-nav-ready] .site-nav[data-nav-open='true'] {
  display: block;
  flex-basis: 100%;
}

@media (min-width: 48em) {
  .site-nav {
    display: block;
  }

  [data-nav-ready] .nav-toggle {
    display: none;
  }
}

/* --- Buttons --------------------------------------------------------------
   Two roles, no more. Radius, weight and colour all come from the brief via
   tokens — including --radius-none, which is a legitimate answer.          */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2xs);
  padding: var(--space-xs) var(--space-md);
  border: var(--border-hairline) var(--border-style) transparent;
  border-radius: var(--radius-sm);
  font-weight: var(--font-weight-body-strong);
  line-height: var(--leading-snug);
  text-align: center;
  text-decoration: none;
  transition: background-color var(--duration-fast) var(--ease-out),
              color var(--duration-fast) var(--ease-out);
}

/* The accent fill alone measures 2.60:1 against both grounds (brief §2) —
   below WCAG 1.4.11's 3:1 control-boundary floor, the same disclosed number
   that bars the accent as text. The ink border is the control's edge, at
   13.59:1/12.14:1, on every ground the button ever sits on. */
.btn--primary {
  background-color: var(--color-accent);
  border-color: var(--color-ink);
  color: var(--color-accent-ink);
}

.btn--quiet {
  /* Outline button: the border is the whole control, so it takes the 3:1
     control-boundary token, not the decorative hairline (WCAG 1.4.11). */
  border-color: var(--color-border-strong);
  color: var(--color-ink);
}

/* --- Form -----------------------------------------------------------------
   One form per site (spec §6). POSTs to the endpoint constant in main.js;
   works as a plain HTML POST with JS off; auto-hides when no endpoint is
   configured so a spec site never shows a dead form.                       */

.form {
  display: grid;
  gap: var(--space-md);
  max-width: var(--layout-measure);
}

.field {
  display: grid;
  gap: var(--space-3xs);
}

.field__label {
  font-size: var(--text-small);
  font-weight: var(--font-weight-body-strong);
}

.field__control {
  width: 100%;
  min-height: var(--layout-tap-min);
  padding: var(--space-2xs) var(--space-xs);
  background-color: var(--color-surface);
  color: var(--color-ink);
  border: var(--border-hairline) var(--border-style) var(--color-border);
  border-radius: var(--radius-sm);
}

textarea.field__control {
  min-height: var(--space-3xl);
  resize: vertical;
}

.field__hint {
  font-size: var(--text-small);
  color: var(--color-ink-muted);
}

/* Honeypot: present in the DOM for bots, unreachable for humans and assistive
   tech. Not display:none — some bots skip those. */
.form__trap {
  position: absolute;
  /* @allow-literal: off-canvas parking position, not a design value */
  left: -9999px;
  opacity: 0;
  pointer-events: none;
}

.form__status {
  font-size: var(--text-small);
  color: var(--color-ink-muted);
}

.form__status[data-state='error'] {
  color: var(--color-ink);
  font-weight: var(--font-weight-body-strong);
}

/* --- Footer ---------------------------------------------------------------- */

.site-footer {
  padding-block: var(--space-xl);
  border-top: var(--border-hairline) var(--border-style) var(--color-border);
  background-color: var(--color-bg);
  font-size: var(--text-small);
  color: var(--color-ink-muted);
}

.site-footer a {
  text-underline-offset: var(--space-3xs);
}

.site-footer__nap {
  font-style: normal;
}

.site-footer__nap strong {
  font-family: var(--font-display);
  font-weight: var(--font-weight-brand);
  color: var(--color-ink);
}

.site-footer__area,
.site-footer [data-hours] {
  margin-block-start: var(--space-2xs);
}

.site-footer > .container > p {
  margin-block-start: var(--space-2xs);
}

/* ==========================================================================
   BAND-RHYTHM ARCHETYPE — "the dawn ridge holds" (brief §4, §9). Full-bleed
   alternating bands (bg/surface), each carrying the hero ridge's own 4px
   accent rule, flattened. --section-gap is the ONLY inter-band space value
   (design-rules §7.1): this selector + the hero's padding-block-end.
   ========================================================================== */

.band {
  position: relative;
  width: 100%;
  padding-block: var(--section-gap);
  background-color: var(--color-bg);
}

/* Per-band ground flip: a surface band re-points --color-border at bg for
   everything inside it — the hairline is always the OTHER ground token
   (brief §4), no new colour introduced. */
.band[data-ground='surface'] {
  background-color: var(--color-surface);
  --color-border: var(--color-bg);
}

.cut {
  position: absolute;
  inset-block-start: 0;
  inset-inline: 0;
  block-size: var(--cut-w);
  background-color: var(--color-accent);
}

.section__head {
  max-width: var(--layout-measure);
}

.section__title {
  font-family: var(--font-display);
  font-size: var(--text-h2);
  font-weight: var(--font-weight-display);
  line-height: var(--leading-snug);
  letter-spacing: var(--tracking-tight);
  text-wrap: balance;
}

.section__lead {
  margin-block-start: var(--space-sm);
  font-size: var(--text-lead);
  line-height: var(--leading-body);
  color: var(--color-ink-muted);
}

/* --- Hero (brief §4 step 3). Atmosphere gradient, brief §2's exact stops
   and geometry: 120%×90% ellipse at 50% 0%, so the eyebrow/h1/CTA text block
   never reads darker than --color-atmo-2 (12.14:1 worst case, brief §2). */

.hero {
  position: relative;
  padding-block-start: var(--space-md);
  padding-block-end: var(--section-gap);
  background: radial-gradient(120% 90% at 50% 0%,
    var(--color-atmo-1) 0%, var(--color-atmo-2) 55%, var(--color-atmo-3) 100%);
}

@media (min-width: 48em) {
  .hero {
    padding-block-start: var(--space-2xl);
  }
}

.hero__eyebrow {
  margin-block-start: var(--space-2xs);
}

.hero__title {
  margin-block-start: var(--space-xs);
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: var(--font-weight-display);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  text-wrap: balance;
}

/* ref-001's borrowed move: a huge serif with an italic accent word. One word
   per page, never two (brief §9: "Sukiennik"). Styled by FACE, not colour —
   brief §2 discloses --color-accent at 2.60:1 as text and bars it at any
   size, on either ground, so the accent here is the italic Fraunces face
   alone; the word keeps the surrounding --color-ink (13.59:1/12.14:1). */
.accent-word {
  font-family: var(--font-display-italic);
  font-style: italic;
  font-weight: var(--font-weight-emphasis);
}

.hero__act {
  margin-block-start: var(--space-sm);
}

/* Slot 1 — living-hero field. Fixed height at every width (brief §5), full-
   bleed, stretched non-uniformly to fill (no object-fit override — the
   browser default is the brief's "preserveAspectRatio=none" behaviour). */
.hero__field {
  position: relative;
  margin-block-start: var(--space-md);
  overflow: hidden;
  block-size: var(--layout-hero-field-height);
  /* @allow-literal: the full-viewport breakout's fixed geometry, not a size the brief chose */
  inline-size: 100vw;
  /* @allow-literal: same breakout — escapes .container's padding and max-width at every width */
  margin-inline: calc(50% - 50vw);
}

.hero__field picture,
.hero__field img {
  display: block;
  inline-size: 100%;
  block-size: 100%;
}

/* Satellite layer (brief §9): two independently-timed glints travel the
   ridge line (60% down the field); one haze wisp drifts on a third,
   separately-timed loop. Transform/opacity only. */
.satellites {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.glint,
.haze {
  position: absolute;
  display: block;
  will-change: transform, opacity;
}

.glint {
  inset-block-start: 60%;
  inline-size: var(--space-sm);
  block-size: var(--space-3xs);
  border-radius: var(--radius-pill);
  background-color: var(--color-accent);
}

.glint--1 {
  inset-inline-start: 6%;
  opacity: 0.65;
  animation: glint-travel-1 var(--loop-glint-1) var(--ease-in-out) infinite;
}

.glint--2 {
  inset-inline-start: 46%;
  opacity: 0.5;
  animation: glint-travel-2 var(--loop-glint-2) var(--ease-in-out) infinite;
  animation-delay: var(--delay-glint-2);
}

.haze {
  inset-block-start: 6%;
  inset-inline-start: 18%;
  inline-size: 40%;
  block-size: 48%;
  border-radius: var(--radius-pill);
  background-color: var(--color-atmo-1);
  filter: blur(var(--space-lg));
  opacity: 0.5;
  animation: haze-drift var(--loop-haze) var(--ease-in-out) infinite;
}

@keyframes glint-travel-1 {
  0%   { transform: translate(0, 0); opacity: 0.35; }
  /* @allow-literal: this glint satellite's own exact motion value, not a design-scale value */
  50%  { transform: translate(38vw, -3px); opacity: 0.75; }
  100% { transform: translate(0, 0); opacity: 0.35; }
}

@keyframes glint-travel-2 {
  0%   { transform: translate(0, 0); opacity: 0.3; }
  /* @allow-literal: this glint satellite's own exact motion value, not a design-scale value */
  50%  { transform: translate(-30vw, 2px); opacity: 0.6; }
  100% { transform: translate(0, 0); opacity: 0.3; }
}

@keyframes haze-drift {
  0%   { transform: translate(0, 0); opacity: 0.4; }
  /* @allow-literal: the haze wisp's own exact motion value, not a design-scale value */
  50%  { transform: translate(6vw, 3px); opacity: 0.58; }
  100% { transform: translate(0, 0); opacity: 0.4; }
}

.hero__lead {
  margin-block-start: var(--space-md);
  max-width: var(--layout-measure);
  font-size: var(--text-lead);
  line-height: var(--leading-body);
}

.hero__facts {
  margin-block-start: var(--space-sm);
  padding-block-start: var(--space-xs);
  border-block-start: var(--border-hairline) var(--border-style) var(--color-border);
  font-size: var(--text-small);
  color: var(--color-ink-muted);
}

/* --- Trust strip (brief §4 step 4). Cards on --color-surface, band on
   --color-bg — no new "card white" token (brief §2). Flat: no radius, no
   shadow (warm-craft's letterpress register, design-rules §4). */

.trust-grid {
  display: grid;
  /* @allow-literal: brief §5's exact repeated-ornament minimum value */
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-md);
}

.trust-card {
  padding: var(--space-md);
  background-color: var(--color-surface);
  border-block-start: var(--cut-w) solid var(--color-accent);
}

.trust-card__title {
  font-family: var(--font-display);
  font-size: var(--text-h3);
  font-weight: var(--font-weight-display);
  line-height: var(--leading-snug);
}

.trust-card__body {
  margin-block-start: var(--space-2xs);
  color: var(--color-ink-muted);
}

/* --- Services (brief §4 step 5). Two dot-bulleted, unornamented columns
   (no counter — design-rules §5, so the process digits stay the page's only
   numbered device). */

.service-cols {
  display: grid;
  gap: var(--space-lg);
  margin-block-start: var(--space-lg);
}

@media (min-width: 48em) {
  .service-cols {
    grid-template-columns: 1fr 1fr;
  }
}

.rows {
  border-block-start: var(--border-hairline) var(--border-style) var(--color-border);
}

.row {
  position: relative;
  padding-block: var(--space-xs);
  padding-inline-start: var(--space-md);
  border-block-end: var(--border-hairline) var(--border-style) var(--color-border);
  font-family: var(--font-display);
  font-size: var(--text-lead);
  font-weight: var(--font-weight-display);
  line-height: var(--leading-snug);
}

.row::before {
  content: '';
  position: absolute;
  inset-inline-start: 0;
  inset-block-start: 50%;
  transform: translateY(-50%);
  inline-size: var(--space-2xs);
  block-size: var(--space-2xs);
  border-radius: var(--radius-pill);
  background-color: var(--color-accent);
}

/* --- Image strips (slots 2, 3, 4) ----------------------------------------- */

.strip {
  margin-block-start: var(--space-md);
}

.strip img {
  inline-size: 100%;
  block-size: auto;
  aspect-ratio: 900 / 340;
  object-fit: cover;
}

.strip--process {
  max-width: var(--layout-measure);
}

.strip--process img {
  aspect-ratio: 700 / 460;
}

/* --- Estimate / final CTA bands (brief §4 steps 6, 10) -------------------- */

.contact__intro {
  margin-block-start: var(--space-sm);
  max-width: var(--layout-measure);
}

.contact__act,
.final-cta__act {
  margin-block-start: var(--space-md);
}

.final-cta__act {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.form {
  margin-block-start: var(--space-lg);
}

/* --- Process (brief §4 step 7). The page's ONE numbered list: filled-circle
   digit badges, Hanken Grotesk 700 on the accent fill (5.23:1). */

.steps {
  margin-block-start: var(--space-lg);
  border-block-start: var(--border-hairline) var(--border-style) var(--color-border);
}

.step {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
  padding-block: var(--space-sm);
  border-block-end: var(--border-hairline) var(--border-style) var(--color-border);
}

.step__badge {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  inline-size: var(--space-lg);
  block-size: var(--space-lg);
  border-radius: var(--radius-pill);
  background-color: var(--color-accent);
  color: var(--color-accent-ink);
  font-family: var(--font-body);
  font-weight: var(--font-weight-badge);
  font-size: var(--text-body);
}

.step__title {
  font-family: var(--font-display);
  font-size: var(--text-h3);
  font-weight: var(--font-weight-display);
  line-height: var(--leading-snug);
}

.step__text {
  margin-block-start: var(--space-3xs);
  color: var(--color-ink-muted);
}

/* --- Reviews (brief §4 step 8). One R-tier quote, honestly thin. Fraunces
   Italic pull-quote, Hanken Grotesk Italic attribution. */

.review {
  margin-block-start: var(--space-lg);
  padding-block-start: var(--space-md);
  border-block-start: var(--border-hairline) var(--border-style) var(--color-border);
  max-width: var(--layout-measure);
}

.review p {
  font-family: var(--font-display-italic);
  font-style: italic;
  font-weight: var(--font-weight-emphasis);
  font-size: var(--text-lead);
  line-height: var(--leading-body);
}

.review__attrib {
  display: block;
  margin-block-start: var(--space-sm);
  font-family: var(--font-body-italic);
  font-style: italic;
  font-weight: var(--font-weight-body-italic);
  font-size: var(--text-small);
  color: var(--color-ink-muted);
}

/* --- FAQ (brief §4 step 9). Native <details>/<summary>: keyboard-standard,
   no JS. UA marker suppressed — the dot bullet is the row's only ornament
   (design-rules §5), matching the services list's device. */

.faq {
  margin-block-start: var(--space-lg);
  border-block-start: var(--border-hairline) var(--border-style) var(--color-border);
  max-width: var(--layout-measure);
}

.qa {
  border-block-end: var(--border-hairline) var(--border-style) var(--color-border);
}

/* Flex, not an em-offset: the dot is a flex sibling of the question text
   (brief §3 bans em-based marker positioning outright). */
.qa__q {
  display: flex;
  align-items: baseline;
  gap: var(--space-sm);
  list-style: none;
  padding-block: var(--space-sm);
  font-family: var(--font-display);
  font-size: var(--text-lead);
  font-weight: var(--font-weight-display);
  cursor: pointer;
}

.qa__q::-webkit-details-marker {
  display: none;
}

.qa__q::before {
  content: '';
  flex: 0 0 auto;
  align-self: center;
  inline-size: var(--space-2xs);
  block-size: var(--space-2xs);
  border-radius: var(--radius-pill);
  background-color: var(--color-accent);
}

.qa__a {
  padding-block-end: var(--space-md);
  padding-inline-start: var(--space-md);
  max-width: var(--layout-measure);
  color: var(--color-ink-muted);
}

/* --- Reveals (brief §9): one fade-and-settle per band, no stagger cascades.
   base.css supplies the mechanism; this re-points its duration. */

[data-reveal-ready] [data-reveal] {
  transition:
    opacity var(--duration-base) var(--ease-out),
    transform var(--duration-base) var(--ease-out);
}

/* --- Reduced motion (spec §8, brief §9): loops stop and hold their tested
   still-frame opacity, so the hero stays spectacular stopped (design-rules §0). */

@media (prefers-reduced-motion: reduce) {
  .glint,
  .haze {
    animation: none;
    transform: none;
  }

  .glint--1 { opacity: 0.65; }
  .glint--2 { opacity: 0.5; }
  .haze     { opacity: 0.5; }
}