/* ==========================================================================
   Ross Technology Services — brand tokens
   ========================================================================== */
:root {
  --rts-orange: #ac3f00;   /* primary */
  --rts-ink: #1d1818;      /* secondary, near-black */
  --rts-paper: #fff6c7;    /* tertiary, paper */

  /* Derived tints (for contrast on dark backgrounds / subtle surfaces) */
  --rts-ember: #e8823f;    /* orange readable on --rts-ink (AA) */
  --rts-orange-dark: #8a3200;
  --rts-paper-deep: #f7e9a8;
  --rts-ink-soft: #2a2323;
  --rts-ink-muted: #4a4040;
  --rts-paper-muted: #d9cfa6;

  --font: "Outfit", system-ui, -apple-system, "Segoe UI", sans-serif;
  --radius: 14px;
  --container: 1160px;
  --header-h: 72px;
}

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

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

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--rts-ink);
  background: var(--rts-paper);
  -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3 { line-height: 1.1; margin: 0 0 .5em; font-weight: 700; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.6rem, 6vw, 4.6rem); font-weight: 800; }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: 1.25rem; letter-spacing: -0.01em; }
p { margin: 0 0 1em; }

a { color: var(--rts-orange); text-underline-offset: 3px; }
a:hover { color: var(--rts-orange-dark); }

:focus-visible { outline: 3px solid var(--rts-orange); outline-offset: 3px; border-radius: 4px; }

.container { width: min(100% - 2.5rem, var(--container)); margin-inline: auto; }

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

.skip-link {
  position: absolute; left: 1rem; top: -100px; z-index: 100;
  background: var(--rts-ink); color: var(--rts-paper); padding: .6rem 1rem; border-radius: 8px;
}
.skip-link:focus { top: 1rem; }

.eyebrow {
  font-size: .9rem; font-weight: 600; text-transform: uppercase; letter-spacing: .14em;
  color: var(--rts-orange); margin-bottom: .75rem;
}

.accent { color: var(--rts-orange); }

.section { padding-block: clamp(4rem, 9vw, 7rem); }
.section-intro { font-size: 1.15rem; max-width: 62ch; color: var(--rts-ink-muted); }

/* ==========================================================================
   Buttons — styled like keycaps
   ========================================================================== */
.btn {
  --cap-shadow: var(--rts-ink);
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  font: inherit; font-weight: 600; text-decoration: none;
  padding: .85rem 1.5rem; border-radius: 12px; border: 2px solid var(--rts-ink);
  box-shadow: 0 5px 0 var(--cap-shadow);
  transition: transform .12s ease, box-shadow .12s ease, background-color .15s ease;
  cursor: pointer;
}
.btn:hover { transform: translateY(2px); box-shadow: 0 3px 0 var(--cap-shadow); }
.btn:active { transform: translateY(5px); box-shadow: 0 0 0 var(--cap-shadow); }

.btn-primary { background: var(--rts-orange); color: var(--rts-paper); }
.btn-primary:hover { background: var(--rts-orange-dark); color: var(--rts-paper); }
.btn-outline { background: var(--rts-paper); color: var(--rts-ink); }
.btn-outline:hover { background: var(--rts-paper-deep); color: var(--rts-ink); }
.btn-sm { padding: .5rem 1rem; box-shadow: 0 3px 0 var(--cap-shadow); }
.btn-sm:hover { transform: translateY(1px); box-shadow: 0 2px 0 var(--cap-shadow); }

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--rts-ink); color: var(--rts-paper);
  border-bottom: 3px solid var(--rts-orange);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: var(--header-h); }

.brand { display: flex; align-items: center; gap: .75rem; text-decoration: none; color: var(--rts-paper); }
.brand img { width: 64px; height: auto; }
.brand-name { font-weight: 700; font-size: 1.1rem; letter-spacing: -0.01em; }
.brand:hover { color: var(--rts-paper); }

.site-nav ul { display: flex; align-items: center; gap: 2rem; list-style: none; margin: 0; padding: 0; }
.site-nav a:not(.btn) { color: var(--rts-paper); text-decoration: none; font-weight: 500; }
.site-nav a:not(.btn):hover { color: var(--rts-ember); }
.site-nav .btn { border-color: var(--rts-paper); --cap-shadow: #000; }

.nav-toggle { display: none; }

@media (max-width: 820px) {
  .nav-toggle {
    display: grid; place-items: center; width: 44px; height: 44px;
    background: none; border: 2px solid var(--rts-paper); border-radius: 10px; cursor: pointer;
  }
  .nav-toggle-bar, .nav-toggle-bar::before, .nav-toggle-bar::after {
    display: block; width: 20px; height: 2px; background: var(--rts-paper); position: relative; content: "";
    transition: transform .2s ease;
  }
  .nav-toggle-bar::before { position: absolute; top: -6px; }
  .nav-toggle-bar::after { position: absolute; top: 6px; }
  .nav-toggle[aria-expanded="true"] .nav-toggle-bar { background: transparent; }
  .nav-toggle[aria-expanded="true"] .nav-toggle-bar::before { transform: translateY(6px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] .nav-toggle-bar::after { transform: translateY(-6px) rotate(-45deg); }

  .site-nav {
    position: absolute; inset: 100% 0 auto 0; background: var(--rts-ink);
    border-bottom: 3px solid var(--rts-orange);
    display: none;
  }
  .site-nav.is-open { display: block; }
  .site-nav ul { flex-direction: column; align-items: stretch; gap: 0; padding: .5rem 1.25rem 1.5rem; }
  .site-nav li a:not(.btn) { display: block; padding: .9rem 0; border-bottom: 1px solid var(--rts-ink-muted); }
  .site-nav li:last-child { margin-top: 1.25rem; }
  .site-nav .btn { width: 100%; }
}

@media (max-width: 420px) {
  .brand-name { font-size: .95rem; }
  .brand img { width: 52px; }
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  position: relative; overflow: hidden;
  padding-block: clamp(4rem, 10vw, 7.5rem);
  background: var(--rts-paper);
  isolation: isolate;
}
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: url("../assets/brand/pattern.svg") repeat;
  background-size: 900px auto;
  opacity: .16;
  mask-image: linear-gradient(100deg, transparent 30%, #000 75%);
  -webkit-mask-image: linear-gradient(100deg, transparent 30%, #000 75%);
}
.hero-inner { display: grid; grid-template-columns: 1.15fr .85fr; gap: 3rem; align-items: center; }
.hero h1 .eyebrow { display: block; line-height: 1.5; margin-bottom: 1rem; }
.lede { font-size: clamp(1.1rem, 1.6vw, 1.3rem); max-width: 54ch; color: var(--rts-ink-muted); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2rem; }
.hero-phone {
  display: flex; flex-wrap: wrap; align-items: center; gap: .6rem 1rem;
  margin-top: 1.5rem; color: var(--rts-ink-muted);
}
.hero-phone strong { color: var(--rts-ink); }
.phone-chips { display: inline-flex; gap: .6rem; }
.phone-chip {
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .3rem .8rem; border: 2px solid var(--rts-ink); border-radius: 10px;
  background: var(--rts-paper); color: var(--rts-ink); font-weight: 600; font-size: .95rem; text-decoration: none;
  box-shadow: 0 3px 0 var(--rts-ink);
  transition: transform .12s ease, box-shadow .12s ease, background-color .15s ease;
}
.phone-chip:hover { color: var(--rts-ink); background: var(--rts-paper-deep); transform: translateY(1px); box-shadow: 0 2px 0 var(--rts-ink); }
.phone-chip:active { transform: translateY(3px); box-shadow: 0 0 0 var(--rts-ink); }
.phone-chip svg {
  width: 16px; height: 16px; fill: none; stroke: var(--rts-orange);
  stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
}
.hero-art img { width: 100%; max-width: 520px; margin-inline: auto; filter: drop-shadow(0 18px 24px rgba(29, 24, 24, .22)); }

@media (max-width: 820px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-art { order: -1; }
  .hero-art img { max-width: 260px; margin-inline: 0; }
}

/* ==========================================================================
   Problems — chat-bubble quotes
   Deliberately NOT styled like keycaps: no hard bottom shadow and no hover
   response, so they read as things people say, not buttons.
   ========================================================================== */
.problems { background: var(--rts-paper-deep); border-block: 2px solid var(--rts-ink); }
/*
  Always full rows. Phrases in the HTML are ranked most → least important,
  so narrower layouts hide from the end of the list:
    ≥1100px  4 × 3 = 12 shown
    820–1099 3 × 3 =  9 shown
    560–819  2 × 4 =  8 shown
    <560     1 × 6 =  6 shown
*/
.quotes {
  list-style: none; padding: 0; margin: 2.5rem 0 0;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.75rem 1.25rem;
}
@media (max-width: 1099px) {
  .quotes { grid-template-columns: repeat(3, 1fr); }
  .quotes > .quote:nth-child(n + 10) { display: none; }
}
@media (max-width: 819px) {
  .quotes { grid-template-columns: repeat(2, 1fr); }
  .quotes > .quote:nth-child(n + 9) { display: none; }
}
@media (max-width: 559px) {
  .quotes { grid-template-columns: 1fr; }
  .quotes > .quote:nth-child(n + 7) { display: none; }
}
.quote {
  position: relative; display: flex; align-items: center;
  min-height: var(--quote-min-h, 0); /* set by js/main.js: fits the longest quote */
  background: var(--rts-paper); color: var(--rts-ink);
  border: 1.5px solid rgba(29, 24, 24, .18);
  border-radius: 20px;
  padding: 1.1rem 1.25rem; font-size: 1.05rem; line-height: 1.45;
  box-shadow: 0 10px 24px -14px rgba(29, 24, 24, .35);
}
.quote-text { position: relative; display: block; transition: opacity .3s ease; }
.quote.is-clearing .quote-text { opacity: 0; }
/* While typing, the real text stays in place (invisible) to hold the bubble's
   size; the typed copy is drawn on top of it. */
.quote.is-typing .quote-text { color: transparent; }
.quote-typed { position: absolute; inset: 0; color: var(--rts-ink); }
.quote-typed .caret {
  display: inline-block; width: 2px; height: 1.1em; margin-left: 2px; vertical-align: -0.15em;
  background: var(--rts-orange); animation: caret-blink 1s steps(1) infinite;
}
.quote-typed .typed-line { display: block; }
@keyframes caret-blink { 50% { opacity: 0; } }
.typing-dots { display: inline-flex; gap: 5px; }
.typing-dots i {
  width: 7px; height: 7px; border-radius: 50%; background: rgba(29, 24, 24, .35);
  animation: typing-dot 1.1s ease-in-out infinite;
}
.typing-dots i:nth-child(2) { animation-delay: .15s; }
.typing-dots i:nth-child(3) { animation-delay: .3s; }
@keyframes typing-dot {
  0%, 60%, 100% { transform: none; opacity: .5; }
  30%           { transform: translateY(-4px); opacity: 1; }
}

/* Speech-bubble tail, bottom-left */
.quote::after {
  content: ""; position: absolute; left: 26px; bottom: -8px;
  width: 14px; height: 14px;
  background: var(--rts-paper);
  border-right: 1.5px solid rgba(29, 24, 24, .18);
  border-bottom: 1.5px solid rgba(29, 24, 24, .18);
  border-bottom-right-radius: 3px;
  transform: rotate(45deg) skew(8deg, 8deg);
}
.problems-cta { margin-top: 2.5rem; font-size: 1.15rem; font-weight: 500; }

/* ==========================================================================
   Services (dark)
   ========================================================================== */
.services { background: var(--rts-ink); color: var(--rts-paper); }
.services .eyebrow { color: var(--rts-ember); }
.services .section-intro { color: var(--rts-paper-muted); }

.service-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1.5rem; margin-top: 3rem;
}
.service-card {
  position: relative; isolation: isolate; overflow: hidden;
  background: var(--rts-ink-soft); border: 1px solid #3a3131; border-top: 4px solid var(--rts-orange);
  border-radius: var(--radius); padding: 1.75rem;
}
/* Ambient spotlight (positions set by js/main.js); lights every card at once */
.service-card::before {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 50%), rgba(232, 130, 63, .2), transparent 65%);
  opacity: 0; transition: opacity .5s ease;
}
.service-grid.is-lit .service-card::before { opacity: 1; }
.service-card h3 { color: var(--rts-ember); margin-top: 1rem; }
.service-card p { color: var(--rts-paper-muted); font-size: 1rem; }
.service-card ul { margin: 0; padding-left: 1.1rem; font-size: .975rem; }
.service-card li { margin-bottom: .35rem; }
.service-card li::marker { color: var(--rts-ember); }

.icon {
  width: 44px; height: 44px; fill: none; stroke: var(--rts-ember);
  stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round;
}

/* ==========================================================================
   Process
   ========================================================================== */
.steps {
  list-style: none; padding: 0; margin: 3rem 0 0;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem;
  counter-reset: none;
}
.step { position: relative; }
.step-key {
  display: grid; place-items: center; width: 64px; height: 64px; margin-bottom: 1.25rem;
  background: var(--rts-orange); color: var(--rts-paper); font-size: 1.75rem; font-weight: 700;
  border: 2px solid var(--rts-ink); border-radius: 14px;
  transform: rotate(-6deg);
}
.step p { color: var(--rts-ink-muted); }

@media (max-width: 900px) { .steps { grid-template-columns: repeat(2, 1fr); row-gap: 2.5rem; } }
@media (max-width: 520px) { .steps { grid-template-columns: 1fr; } }

/* ==========================================================================
   About
   ========================================================================== */
.about { background: var(--rts-paper-deep); border-top: 2px solid var(--rts-ink); }
.about-inner { display: grid; grid-template-columns: 1.2fr .8fr; gap: 4rem; align-items: start; }
.about-copy p { font-size: 1.1rem; max-width: 60ch; }
.values { list-style: none; margin: 0; padding: 0; display: grid; gap: 1rem; }
.values li {
  background: var(--rts-paper); border-left: 5px solid var(--rts-orange); border-radius: 4px var(--radius) var(--radius) 4px;
  padding: 1.25rem 1.4rem;
}
.values strong { display: block; font-size: 1.3rem; color: var(--rts-orange); }
.values span { color: var(--rts-ink-muted); }

@media (max-width: 820px) { .about-inner { grid-template-columns: 1fr; gap: 2.5rem; } }

/* ==========================================================================
   Contact
   ========================================================================== */
.contact { background: var(--rts-orange); color: var(--rts-paper); border-top: 2px solid var(--rts-ink); }
.contact .eyebrow { color: var(--rts-paper); opacity: .85; }
.contact .section-intro { color: var(--rts-paper); }
.contact-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; }
.contact-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.contact-card-wide { grid-column: 1 / -1; }
@media (max-width: 479px) { .contact-cards { grid-template-columns: 1fr; } }
.contact-card {
  display: grid; grid-template-columns: auto 1fr; grid-template-rows: auto auto; column-gap: 1.1rem;
  align-items: center;
  background: var(--rts-ink); color: var(--rts-paper); text-decoration: none;
  border: 2px solid var(--rts-ink); border-radius: var(--radius);
  padding: 1.25rem 1.5rem; box-shadow: 0 6px 0 #000;
  transition: transform .12s ease, box-shadow .12s ease;
}
.contact-card:hover { color: var(--rts-paper); transform: translateY(3px); box-shadow: 0 3px 0 #000; }
.contact-card .icon { grid-row: span 2; width: 40px; height: 40px; }
.contact-label { font-size: .85rem; text-transform: uppercase; letter-spacing: .12em; color: var(--rts-ember); font-weight: 600; }
.contact-value { font-size: clamp(1rem, 2.2vw, 1.3rem); font-weight: 600; overflow-wrap: anywhere; }

@media (max-width: 1000px) { .contact-inner { grid-template-columns: 1fr; } }
.contact-card[href^="tel:"] .contact-value,
.contact-card[href^="sms:"] .contact-value { white-space: nowrap; }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer { background: var(--rts-ink); color: var(--rts-paper-muted); padding-block: 3rem; }
.footer-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1.5rem; }
.footer-logo { display: flex; align-items: center; gap: .9rem; }
.footer-logo img { width: 120px; height: auto; }
.footer-wordmark {
  color: var(--rts-orange); font-weight: 800; text-transform: uppercase;
  font-size: 1.6rem; line-height: .9; letter-spacing: -0.01em;
}
.site-footer p { margin: 0; }
.footer-contact { font-style: normal; }
.footer-contact a { color: var(--rts-paper); text-decoration: none; }
.footer-contact a:hover { color: var(--rts-ember); text-decoration: underline; }
.footer-small {
  flex-basis: 100%; font-size: .9rem;
  padding-top: 1.25rem; border-top: 1px solid var(--rts-ink-muted);
}

/* ==========================================================================
   Motion — subtle, and only when the visitor hasn't asked for reduced motion
   ========================================================================== */
.site-header { transition: box-shadow .3s ease; }
.site-header.is-scrolled { box-shadow: 0 8px 24px rgba(29, 24, 24, .25); }

@media (prefers-reduced-motion: no-preference) {
  /* Scroll reveal: JS adds .reveal, then .is-visible when on screen.
     Only "backwards" fill, so hover transforms still work afterwards. */
  .js .reveal:not(.is-visible) { opacity: 0; }
  .js .reveal.is-visible { animation: rise .8s cubic-bezier(.2, .7, .2, 1) var(--reveal-delay, 0s) backwards; }
  @keyframes rise {
    from { opacity: 0; transform: translateY(22px); }
    to   { opacity: 1; transform: none; }
  }

  /* Step keys settle into their tilt */
  .js .step.is-visible .step-key { animation: settle .9s cubic-bezier(.3, 1.4, .5, 1) calc(var(--reveal-delay, 0s) + .15s) backwards; }
  @keyframes settle {
    from { transform: rotate(8deg) translateY(-10px); }
    to   { transform: rotate(-6deg); }
  }

  /* Hero logo gently floats */
  .hero-art img { animation: float 7s ease-in-out infinite; }
  @keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50%      { transform: translateY(-12px) rotate(-1.5deg); }
  }

  /* Keyboard pattern drifts very slowly behind the hero */
  .hero::before { animation: drift 140s linear infinite; }
  @keyframes drift {
    from { background-position: 0 0; }
    to   { background-position: 900px 0; }
  }

  /* Quotes pop in like incoming chat messages, growing from the tail */
  .js .quote.reveal.is-visible {
    transform-origin: 0 100%;
    animation-name: bubble;
    animation-duration: .7s;
    animation-timing-function: cubic-bezier(.3, 1.35, .5, 1);
  }
  @keyframes bubble {
    from { opacity: 0; transform: translateY(14px) scale(.9); }
    to   { opacity: 1; transform: none; }
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}