/* =====================================================
   Pit Stop Mobile Detail — style.css
   Mobile-first. Breakpoints: 480px, 768px, 1024px, 1280px
===================================================== */

/* =====================================================
   DESIGN TOKENS
===================================================== */
:root {
  /* Brand — OKLCH */
  --red:         oklch(44% 0.21 22);          /* #C8102E */
  --red-dark:    oklch(37% 0.19 22);
  --red-glow:    oklch(44% 0.21 22 / 0.18);
  --red-subtle:  oklch(44% 0.21 22 / 0.07);
  --bg:          oklch(9.5% 0.004 22);        /* #0A0A0A, warm-tinted */
  --bg-raised:   oklch(12%  0.003 22);        /* #111111 area */
  --bg-card:     oklch(10.5% 0.003 22);
  --text:        oklch(96%  0.002 22);        /* #F2F2F2 */
  --text-muted:  oklch(58%  0.005 22);
  --border:      oklch(19%  0.003 22);
  --white:       oklch(99%  0.002 22);

  /* Type */
  --font-display: 'Bebas Neue', 'Arial Narrow', Arial, sans-serif;
  --font-body:    'Inter', 'Helvetica Neue', Arial, sans-serif;

  /* Space */
  --s1:  0.25rem;
  --s2:  0.5rem;
  --s3:  0.75rem;
  --s4:  1rem;
  --s5:  1.25rem;
  --s6:  1.5rem;
  --s8:  2rem;
  --s10: 2.5rem;
  --s12: 3rem;
  --s16: 4rem;
  --s20: 5rem;
  --s24: 6rem;

  /* Layout */
  --max: 1280px;
  --nav-h: 72px;
  --pad-x: var(--s6);

  /* Easing */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-med: cubic-bezier(0.25, 1, 0.5, 1);
  --t-fast:  150ms var(--ease-med);
  --t-med:   300ms var(--ease-med);
  --t-slow:  500ms var(--ease-out);
}

/* =====================================================
   RESET
===================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

ul[role="list"], ul {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font: inherit;
}

::selection {
  background: var(--red);
  color: var(--white);
}

::-webkit-scrollbar {
  width: 5px;
}
::-webkit-scrollbar-track {
  background: var(--bg);
}
::-webkit-scrollbar-thumb {
  background: var(--red);
  border-radius: 2px;
}

/* =====================================================
   FOCUS
===================================================== */
:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 3px;
  border-radius: 2px;
}

/* =====================================================
   CONTAINER
===================================================== */
.container {
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--pad-x);
}

@media (min-width: 768px) {
  .container { padding-inline: var(--s10); }
}
@media (min-width: 1280px) {
  .container { padding-inline: var(--s12); }
}

/* =====================================================
   SECTION TYPOGRAPHY
===================================================== */
.section-label {
  display: inline-block;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: var(--s4);
}

.section-header {
  margin-bottom: var(--s12);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  line-height: 0.95;
  letter-spacing: 0.01em;
  color: var(--text);
}

/* =====================================================
   BUTTONS
===================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 var(--s8);
  font-family: var(--font-display);
  font-size: 1.125rem;
  letter-spacing: 0.1em;
  border-radius: 2px;
  transition: background var(--t-med), box-shadow var(--t-med), color var(--t-fast);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.btn--primary {
  background: var(--red);
  color: var(--white);
}

.btn--primary:hover {
  background: var(--red-dark);
  box-shadow: 0 6px 28px var(--red-glow);
}

.btn--primary:active {
  background: oklch(32% 0.18 22);
}

.btn--ghost {
  background: transparent;
  color: var(--white);
  box-shadow: inset 0 0 0 1px oklch(99% 0.002 22 / 0.28);
}

.btn--ghost:hover {
  box-shadow: inset 0 0 0 1px oklch(99% 0.002 22 / 0.65);
}

.btn--full {
  width: 100%;
}

/* =====================================================
   NAV
===================================================== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-h);
  transition: background var(--t-med), backdrop-filter var(--t-med), box-shadow var(--t-med);
}

.nav--scrolled {
  background: oklch(9.5% 0.004 22 / 0.95);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 var(--border);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--pad-x);
}

@media (min-width: 768px) {
  .nav__inner { padding-inline: var(--s10); }
}

/* Logo */
.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--s3);
  flex-shrink: 0;
}

.nav__logo-mark {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--red);
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 0.05em;
  color: var(--white);
  border-radius: 2px;
  flex-shrink: 0;
}

.nav__logo-text {
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  line-height: 1.1;
  display: none;
}

@media (min-width: 480px) {
  .nav__logo-text { display: block; }
}

/* Hamburger */
.nav__hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: var(--s2);
}

.nav__hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--text);
  transition: transform var(--t-med), opacity var(--t-med);
  transform-origin: center;
}

.nav__hamburger.is-open span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.nav__hamburger.is-open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.nav__hamburger.is-open span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

@media (min-width: 768px) {
  .nav__hamburger { display: none; }
}

/* Mobile menu */
.nav__menu {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--bg);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--s8);
  z-index: 99;
}

.nav__menu.is-open {
  display: flex;
}

@media (min-width: 768px) {
  .nav__menu {
    position: static;
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: var(--s8);
    background: transparent;
    z-index: auto;
  }
}

.nav__link {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 8vw, 3rem);
  letter-spacing: 0.08em;
  transition: color var(--t-fast);
}

.nav__link:hover {
  color: var(--red);
}

@media (min-width: 768px) {
  .nav__link {
    font-size: 0.8rem;
    letter-spacing: 0.12em;
  }
}

.nav__link--cta {
  min-height: 44px;
  padding: var(--s2) var(--s6);
  background: var(--red);
  color: var(--white);
  border-radius: 2px;
  font-size: 2rem; /* large for full-screen mobile menu */
  display: inline-flex;
  align-items: center;
  transition: background var(--t-fast);
}

.nav__link--cta:hover {
  color: var(--white);
  background: var(--red-dark);
}

@media (min-width: 768px) {
  .nav__link--cta {
    font-size: 0.8rem;
    letter-spacing: 0.12em;
  }
}

/* =====================================================
   HERO
===================================================== */
.hero {
  position: relative;
  min-height: 100svh;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-h);
  overflow: hidden;
}

/*
  SWAP IMAGE: Update .hero__bg to use a real photo.
  Example:
    background-image: url('../assets/images/hero-bg.jpg');
    background-size: cover;
    background-position: center 30%;
*/
.hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 90% 70% at 65% 45%, oklch(20% 0.015 22) 0%, var(--bg) 65%),
    radial-gradient(ellipse 40% 30% at 80% 20%, oklch(25% 0.02 22) 0%, transparent 50%);
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    160deg,
    transparent 30%,
    oklch(9.5% 0.004 22 / 0.5) 65%,
    var(--bg) 100%
  );
}

/* Diagonal red slash */
.hero__slash {
  position: absolute;
  top: -10%;
  right: 22%;
  width: 2px;
  height: 120%;
  background: linear-gradient(to bottom, transparent 0%, var(--red) 20%, var(--red) 80%, transparent 100%);
  transform: rotate(-12deg);
  transform-origin: top center;
  opacity: 0.5;
}

@media (min-width: 768px) {
  .hero__slash { right: 32%; }
}

.hero__content {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--pad-x);
  padding-block: var(--s16) var(--s20);
}

@media (min-width: 768px) {
  .hero__content { padding-inline: var(--s10); }
}

.hero__eyebrow {
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: var(--s5);
  opacity: 0;
}

.hero__headline {
  font-family: var(--font-display);
  font-size: clamp(4.5rem, 14vw, 11rem);
  line-height: 0.9;
  letter-spacing: -0.01em;
  margin-bottom: var(--s8);
}

.hero__line {
  display: block;
  opacity: 0;
  transform: translateY(60px);
}

.hero__line--red {
  color: var(--red);
}

.hero__sub {
  font-size: clamp(0.875rem, 2vw, 1.0625rem);
  line-height: 1.75;
  color: var(--text-muted);
  margin-bottom: var(--s10);
  opacity: 0;
  transform: translateY(20px);
}

.hero__cities {
  font-weight: 500;
  color: var(--text);
  letter-spacing: 0.06em;
}

.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s3);
  opacity: 0;
  transform: translateY(16px);
}

/* Scroll indicator */
.hero__scroll {
  position: absolute;
  bottom: var(--s8);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--s2);
  z-index: 2;
  opacity: 0;
}

.hero__scroll-line {
  display: block;
  width: 1px;
  height: 38px;
  background: linear-gradient(to bottom, var(--red), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

.hero__scroll-label {
  font-size: 0.55rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-muted);
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.35; }
  50% { opacity: 1; }
}

/* =====================================================
   TRUST BAR
===================================================== */
.trust {
  background: var(--bg-raised);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding-block: var(--s5);
}

.trust__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--s3) var(--s5);
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--pad-x);
  text-align: center;
}

.trust__stars {
  color: var(--red);
  font-size: 1rem;
  letter-spacing: 0.12em;
}

.trust__stat {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text);
}

.trust__stat strong {
  color: var(--red);
  font-weight: 700;
}

.trust__pipe {
  width: 1px;
  height: 14px;
  background: var(--border);
  display: none;
}

@media (min-width: 640px) {
  .trust__pipe { display: block; }
}

/* =====================================================
   SERVICES
===================================================== */
.services {
  padding-block: var(--s24);
}

/* Grid with thin dividers — not isolated card boxes */
.services__grid {
  display: grid;
  grid-template-columns: 1fr;
  background: var(--border);
  gap: 1px;
  border: 1px solid var(--border);
  border-radius: 2px;
  overflow: hidden;
}

@media (min-width: 560px) {
  .services__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 900px) {
  .services__grid { grid-template-columns: repeat(3, 1fr); }
}

.svc-card {
  position: relative;
  background: var(--bg-card);
  padding: var(--s8) var(--s6) var(--s8);
  transition: background var(--t-med);
  overflow: hidden;
  /* scroll animation initial state */
  opacity: 0;
  transform: translateY(28px);
}

.svc-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--red);
  opacity: 0;
  transition: opacity var(--t-med);
}

.svc-card:hover {
  background: var(--bg-raised);
}

.svc-card:hover::after {
  opacity: 0.035;
}

.svc-card > * {
  position: relative;
  z-index: 1;
}

.svc-card__num {
  display: block;
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--red);
  margin-bottom: var(--s5);
}

.svc-card__icon {
  color: var(--text-muted);
  margin-bottom: var(--s4);
  transition: color var(--t-med);
}

.svc-card:hover .svc-card__icon {
  color: var(--text);
}

.svc-card__name {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.125rem);
  letter-spacing: 0.02em;
  line-height: 0.95;
  color: var(--text);
  margin-bottom: var(--s3);
}

.svc-card__desc {
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--text-muted);
}

/* =====================================================
   WHY US
===================================================== */
.why-us {
  padding-block: var(--s24);
  background: var(--bg-raised);
}

.why-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s12);
}

@media (min-width: 768px) {
  .why-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--s8);
  }
}

.why-item {
  opacity: 0;
  transform: translateY(24px);
}

.why-item__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--red);
  margin-bottom: var(--s6);
}

.why-item__heading {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  letter-spacing: 0.02em;
  line-height: 0.95;
  color: var(--text);
  margin-bottom: var(--s4);
}

.why-item__body {
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--text-muted);
}

/* =====================================================
   SERVICE AREA
===================================================== */
.area {
  position: relative;
  padding-block: var(--s24);
  overflow: hidden;
  text-align: center;
}

.area__bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 90% at 50% 50%, oklch(16% 0.018 22) 0%, var(--bg) 65%);
}

.area__content {
  position: relative;
  z-index: 1;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--pad-x);
}

.area__heading {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 11vw, 9.5rem);
  line-height: 0.9;
  letter-spacing: 0.02em;
  color: var(--text);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.2em;
  margin-block: var(--s5) var(--s8);
  opacity: 0;
  transform: translateY(30px);
}

/* Stack cities vertically on small screens to prevent orphaned dots */
@media (max-width: 559px) {
  .area__heading {
    flex-direction: column;
    gap: 0.05em;
  }
  .area__dot {
    display: none;
  }
}

.area__dot {
  color: var(--red);
  font-size: 0.45em;
  line-height: 1;
}

.area__city {
  display: inline-block;
}

.area__sub {
  font-size: clamp(0.875rem, 1.8vw, 1.0625rem);
  color: var(--text-muted);
  letter-spacing: 0.03em;
  opacity: 0;
  transform: translateY(14px);
}

/* =====================================================
   CONTACT
===================================================== */
.contact {
  padding-block: var(--s24);
  background: var(--bg-raised);
}

.contact__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s12);
}

@media (min-width: 768px) {
  .contact__grid {
    grid-template-columns: 1fr 1.5fr;
    gap: var(--s16);
    align-items: start;
  }
}

.contact__heading {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 7vw, 6.5rem);
  line-height: 0.88;
  letter-spacing: 0.01em;
  color: var(--text);
  margin-block: var(--s4) var(--s6);
}

.contact__body {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--text-muted);
  margin-bottom: var(--s10);
  max-width: 36ch;
}

.contact__details {
  display: flex;
  flex-direction: column;
  gap: var(--s5);
}

.contact__detail {
  display: flex;
  flex-direction: column;
  gap: var(--s1);
}

.contact__detail-label {
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--red);
}

.contact__detail-val {
  font-size: 0.9375rem;
  color: var(--text);
  transition: color var(--t-fast);
}

a.contact__detail-val:hover {
  color: var(--red);
}

/* Form */
.contact__form {
  display: flex;
  flex-direction: column;
  gap: var(--s5);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s5);
}

@media (min-width: 480px) {
  .form-row { grid-template-columns: 1fr 1fr; }
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--s2);
}

.form-label {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.form-optional {
  font-weight: 400;
  text-transform: none;
  letter-spacing: normal;
  font-size: 0.65rem;
  color: oklch(42% 0.003 22);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  min-height: 50px;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: var(--s3) var(--s4);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  line-height: 1.5;
  outline: none;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
  -webkit-appearance: none;
  appearance: none;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: oklch(36% 0.003 22);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--red);
  box-shadow: 0 0 0 2px var(--red-glow);
}

/* Select wrapper for custom arrow */
.form-select-wrap {
  position: relative;
}

.form-select {
  cursor: pointer;
  padding-right: var(--s10);
}

.form-select option {
  background: var(--bg-raised);
  color: var(--text);
}

.form-select-arrow {
  position: absolute;
  right: var(--s4);
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  color: var(--text-muted);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
  padding-top: var(--s3);
}

/* =====================================================
   FOOTER
===================================================== */
.footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
}

.footer__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s10);
  max-width: var(--max);
  margin-inline: auto;
  padding: var(--s12) var(--pad-x);
}

@media (min-width: 640px) {
  .footer__inner {
    grid-template-columns: 1.6fr 1fr 1fr;
    padding-inline: var(--s10);
  }
}

@media (min-width: 1280px) {
  .footer__inner { padding-inline: var(--s12); }
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--s3);
  margin-bottom: var(--s4);
}

.footer__logo-mark {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--red);
  font-family: var(--font-display);
  font-size: 1.2rem;
  letter-spacing: 0.06em;
  color: var(--white);
  border-radius: 2px;
  flex-shrink: 0;
}

.footer__logo-text {
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 0.12em;
  line-height: 1.15;
  color: var(--text);
}

.footer__area,
.footer__cities-line {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.footer__nav-heading {
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--s5);
}

.footer__nav ul,
.footer__connect ul {
  display: flex;
  flex-direction: column;
  gap: var(--s3);
}

.footer__link {
  font-size: 0.8125rem;
  color: var(--text-muted);
  transition: color var(--t-fast);
}

.footer__link:hover {
  color: var(--text);
}

.footer__link--social {
  display: flex;
  align-items: center;
  gap: var(--s2);
}

.footer__bottom {
  border-top: 1px solid var(--border);
  padding: var(--s5) var(--pad-x);
  display: flex;
  flex-wrap: wrap;
  gap: var(--s3);
  justify-content: space-between;
  align-items: center;
}

@media (min-width: 640px) {
  .footer__bottom { padding-inline: var(--s10); }
}
@media (min-width: 1280px) {
  .footer__bottom { padding-inline: var(--s12); }
}

.footer__copy,
.footer__credit {
  font-size: 0.72rem;
  color: var(--text-muted);
}

.footer__credit-link {
  color: var(--text-muted);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--t-fast);
}

.footer__credit-link:hover {
  color: var(--text);
}

/* =====================================================
   REDUCED MOTION
===================================================== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }

  /* Make all animated elements visible immediately */
  .hero__eyebrow,
  .hero__line,
  .hero__sub,
  .hero__ctas,
  .hero__scroll,
  .svc-card,
  .why-item,
  .area__heading,
  .area__sub {
    opacity: 1 !important;
    transform: none !important;
  }
}