/* ============================================================
   O.C. Services Inc. premium responsive design system
   BEM CSS, mobile-first, no dependencies.
   ============================================================ */

:root {
  --color-ink: #10212b;
  --color-ink-2: #243947;
  --color-muted: #5a6972;
  --color-bg: #f5f7f8;
  --color-surface: #ffffff;
  --color-surface-2: #e9eef1;
  --color-line: #d8e1e6;
  --color-primary: #143241;
  --color-primary-2: #0d2632;
  --color-accent: #e35b2c;
  --color-accent-2: #b74120;
  --color-gold: #c99943;
  --color-on-dark: #ffffff;
  --shadow-soft: 0 18px 45px rgba(16, 33, 43, 0.12);
  --shadow-tight: 0 10px 26px rgba(16, 33, 43, 0.14);
  --radius: 8px;
  --radius-sm: 5px;
  --container: 72rem;
  --space-1: 0.35rem;
  --space-2: 0.65rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2rem;
  --space-6: 3rem;
  --space-7: 4.5rem;
  --transition: 180ms ease;
}

[data-theme="dark"] {
  --color-ink: #eef5f8;
  --color-ink-2: #dbe7ec;
  --color-muted: #a8b7bf;
  --color-bg: #0e171d;
  --color-surface: #14242d;
  --color-surface-2: #1b313d;
  --color-line: #2e4653;
  --color-primary: #0f232d;
  --color-primary-2: #091820;
  --shadow-soft: 0 18px 45px rgba(0, 0, 0, 0.34);
  --shadow-tight: 0 10px 26px rgba(0, 0, 0, 0.28);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --color-ink: #eef5f8;
    --color-ink-2: #dbe7ec;
    --color-muted: #a8b7bf;
    --color-bg: #0e171d;
    --color-surface: #14242d;
    --color-surface-2: #1b313d;
    --color-line: #2e4653;
    --color-primary: #0f232d;
    --color-primary-2: #091820;
    --shadow-soft: 0 18px 45px rgba(0, 0, 0, 0.34);
    --shadow-tight: 0 10px 26px rgba(0, 0, 0, 0.28);
  }
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  letter-spacing: 0;
}

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

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

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

button,
input,
textarea {
  font: inherit;
}

.site-header {
  display: grid;
  gap: var(--space-3);
  padding: var(--space-3);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-line);
}

.site-header__brand {
  display: inline-flex;
  align-items: center;
  width: fit-content;
}

.site-header__logo {
  width: 12.5rem;
  max-width: min(12.5rem, 80vw);
}

.site-header__identity {
  display: grid;
  gap: 0.1rem;
}

.site-header__eyebrow,
.site-header__tagline,
.page-intro__kicker,
.showcase__eyebrow,
.statement__kicker,
.form-kicker {
  margin: 0;
  color: var(--color-accent);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.site-header__tagline {
  color: var(--color-ink-2);
  font-size: 1rem;
  letter-spacing: 0;
  text-transform: none;
}

.site-header__contact {
  color: var(--color-muted);
  font-weight: 700;
  overflow-wrap: anywhere;
}

.site-header__contact:hover {
  color: var(--color-accent);
}

.site-nav {
  z-index: 50;
  display: grid;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: rgba(13, 38, 50, 0.96);
  box-shadow: 0 8px 22px rgba(13, 38, 50, 0.16);
}

.site-nav__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
}

.site-nav__link,
.site-nav__dropdown-link {
  display: block;
  min-height: 2.75rem;
  padding: 0.78rem 0.82rem;
  border-radius: var(--radius-sm);
  color: rgba(255, 255, 255, 0.88);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: background-color var(--transition), color var(--transition);
}

.site-nav__link:hover,
.site-nav__item--active .site-nav__link,
.site-nav__dropdown-link:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
}

.site-nav__item--dropdown {
  position: relative;
}

.site-nav__dropdown {
  display: none;
  min-width: 10rem;
}

.site-nav__item--dropdown:hover .site-nav__dropdown,
.site-nav__item--dropdown:focus-within .site-nav__dropdown {
  display: block;
}

.site-nav__cta,
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.84rem;
  font-weight: 800;
}

.site-nav__cta {
  padding: 0.75rem 1rem;
  background: var(--color-accent);
  color: #ffffff;
}

.site-nav__cta:hover {
  background: var(--color-accent-2);
}

.theme-toggle {
  border: 1px solid rgba(255, 255, 255, 0.28);
  background: transparent;
  color: #ffffff;
  cursor: pointer;
  padding: 0.65rem 0.9rem;
}

.theme-toggle:hover {
  border-color: #ffffff;
}

.showcase {
  position: relative;
  display: grid;
  gap: var(--space-4);
  min-height: 36rem;
  padding: var(--space-6) var(--space-3);
  overflow: hidden;
  color: #ffffff;
  background:
    linear-gradient(90deg, rgba(8, 26, 35, 0.94), rgba(8, 26, 35, 0.72) 52%, rgba(8, 26, 35, 0.42)),
    url("../img/showcase.jpg") center / cover no-repeat;
}

.showcase__content,
.showcase__panel {
  position: relative;
  width: min(100%, var(--container));
  margin: 0 auto;
}

.showcase__content {
  display: grid;
  align-content: center;
  gap: var(--space-3);
}

.showcase__eyebrow {
  color: #f3b46e;
}

.showcase__title {
  max-width: 11ch;
  margin: 0;
  color: #ffffff;
  font-size: clamp(2.65rem, 13vw, 5.4rem);
  line-height: 0.94;
  letter-spacing: 0;
}

.showcase__subtitle {
  max-width: 42rem;
  margin: 0;
  color: rgba(255, 255, 255, 0.88);
  font-size: clamp(1.05rem, 4vw, 1.28rem);
}

.showcase__actions {
  display: grid;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

.showcase__panel {
  align-self: end;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.16);
  box-shadow: var(--shadow-tight);
}

.showcase__panel span {
  padding: var(--space-3);
  background: rgba(12, 35, 46, 0.76);
  color: #ffffff;
  font-weight: 800;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  border: 0;
  border-radius: var(--radius-sm);
  padding: 0.82rem 1.2rem;
  cursor: pointer;
  font-weight: 850;
  text-align: center;
  transition: transform var(--transition), background-color var(--transition), border-color var(--transition);
}

.btn:hover {
  transform: translateY(-1px);
}

.btn--primary {
  background: var(--color-accent);
  color: #ffffff;
}

.btn--primary:hover {
  background: var(--color-accent-2);
}

.btn--secondary {
  background: var(--color-primary);
  color: #ffffff;
}

.btn--secondary:hover {
  background: var(--color-primary-2);
}

.btn--ghost {
  border: 1px solid rgba(255, 255, 255, 0.55);
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
}

.btn--ghost:hover {
  border-color: #ffffff;
  background: rgba(255, 255, 255, 0.16);
}

.proof-band,
.services-grid,
.statement,
.page-layout,
.newsletter,
.site-footer__inner {
  width: min(calc(100% - 2rem), var(--container));
  margin-inline: auto;
}

.proof-band {
  display: grid;
  gap: 1px;
  margin-top: var(--space-4);
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--color-line);
  box-shadow: var(--shadow-soft);
}

.proof-band__item {
  display: grid;
  gap: 0.35rem;
  padding: var(--space-4);
  background: var(--color-surface);
}

.proof-band__item strong {
  color: var(--color-primary);
  font-size: 1.02rem;
}

.proof-band__item span {
  color: var(--color-muted);
}

.services-grid {
  display: grid;
  gap: var(--space-3);
  padding: var(--space-6) 0;
}

.services-grid__item {
  display: grid;
  gap: var(--space-2);
  padding: var(--space-4);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: var(--color-surface);
  box-shadow: 0 8px 26px rgba(16, 33, 43, 0.06);
}

.services-grid__img {
  width: 4.5rem;
  aspect-ratio: 1;
  border-radius: var(--radius-sm);
  object-fit: cover;
}

.services-grid__item h3,
.services-list__item h3,
.card h2,
.card h3 {
  margin: 0;
  color: var(--color-primary);
  line-height: 1.2;
}

.services-grid__item p,
.services-list__item p,
.card p,
.statement__text,
.page-intro p {
  margin: 0;
  color: var(--color-muted);
}

.statement {
  display: grid;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
  padding: var(--space-5);
  border-radius: var(--radius);
  background: var(--color-primary);
  color: #ffffff;
  box-shadow: var(--shadow-soft);
}

.statement .btn {
  width: fit-content;
}

.statement .btn--secondary {
  background: #ffffff;
  color: var(--color-primary);
}

.statement .btn--secondary:hover {
  background: var(--color-surface-2);
}

.statement__title {
  max-width: 45rem;
  margin: 0;
  color: #ffffff;
  font-size: clamp(1.8rem, 7vw, 3rem);
  line-height: 1.08;
}

.statement__text {
  max-width: 48rem;
  color: rgba(255, 255, 255, 0.78);
}

.newsletter {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-4);
  padding: var(--space-4);
  border-radius: var(--radius);
  background: var(--color-primary);
  color: #ffffff;
}

.newsletter__title {
  margin: 0;
  color: #ffffff;
  font-size: 1.3rem;
  line-height: 1.2;
}

.newsletter__form {
  display: grid;
  gap: var(--space-2);
}

.newsletter__input,
.contact-form__input,
.contact-form__textarea {
  width: 100%;
  min-height: 3rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-ink);
  padding: 0.78rem 0.9rem;
}

.newsletter__input:focus,
.contact-form__input:focus,
.contact-form__textarea:focus {
  outline: 3px solid rgba(227, 91, 44, 0.22);
  border-color: var(--color-accent);
}

.page-layout {
  display: grid;
  gap: var(--space-4);
  padding: var(--space-6) 0;
}

.page-intro {
  display: grid;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.page-intro h1 {
  max-width: 15ch;
  margin: 0;
  color: var(--color-primary);
  font-size: clamp(2.15rem, 11vw, 4.2rem);
  line-height: 0.98;
}

.page-intro p:not(.page-intro__kicker) {
  max-width: 44rem;
  font-size: 1.08rem;
}

.content-stack {
  display: grid;
  gap: var(--space-3);
}

.card {
  display: grid;
  gap: var(--space-2);
  padding: var(--space-4);
  border-radius: var(--radius);
}

.card--light {
  border: 1px solid var(--color-line);
  background: var(--color-surface);
  box-shadow: 0 8px 24px rgba(16, 33, 43, 0.05);
}

.card--dark {
  background: var(--color-primary);
  color: #ffffff;
  box-shadow: var(--shadow-tight);
}

.card--dark h2,
.card--dark h3,
.card--dark p {
  color: #ffffff;
}

.card--dark p {
  color: rgba(255, 255, 255, 0.82);
}

.services-list {
  display: grid;
  gap: var(--space-3);
}

.services-list__item {
  display: grid;
  gap: var(--space-2);
  padding: var(--space-4);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: var(--color-surface);
  box-shadow: 0 8px 24px rgba(16, 33, 43, 0.05);
}

.services-list__link {
  width: fit-content;
  color: var(--color-accent);
  font-weight: 850;
}

.services-list__link:hover {
  color: var(--color-accent-2);
}

.page-layout__sidebar {
  min-width: 0;
}

.form-kicker {
  color: #f3b46e;
}

.contact-form {
  display: grid;
  gap: var(--space-3);
}

.contact-form label {
  display: inline-block;
  margin-bottom: 0.35rem;
  color: rgba(255, 255, 255, 0.9);
  font-weight: 800;
}

.contact-form__textarea {
  resize: vertical;
}

.site-footer {
  margin-top: var(--space-5);
  padding: var(--space-5) var(--space-3) var(--space-3);
  background: var(--color-primary-2);
  color: #ffffff;
}

.site-footer__inner {
  display: grid;
  gap: var(--space-3);
}

.site-footer__brand {
  margin: 0 0 var(--space-1);
  color: #ffffff;
  font-size: 1.25rem;
  font-weight: 850;
}

.site-footer__text,
.site-footer__copyright {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
}

.site-footer__contact {
  display: grid;
  gap: var(--space-1);
}

.site-footer__contact a {
  color: #ffffff;
  font-weight: 750;
  overflow-wrap: anywhere;
}

.site-footer__contact a:hover {
  color: #f3b46e;
}

.site-footer__copyright {
  width: min(calc(100% - 2rem), var(--container));
  margin: var(--space-4) auto 0;
  padding-top: var(--space-3);
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  font-size: 0.9rem;
}

.wedo-nav {
  display: grid;
  gap: var(--space-2);
  width: min(calc(100% - 2rem), 34rem);
  margin: var(--space-4) auto;
  text-align: center;
}

.wedo-nav__btn {
  min-height: 2.75rem;
  border: 0;
  border-radius: var(--radius);
  padding: var(--space-2) var(--space-3);
  cursor: pointer;
  font-weight: 850;
}

.wedo-nav__btn--blue {
  background: #0877a8;
  color: #ffffff;
}

.wedo-nav__btn--orange {
  background: var(--color-accent);
  color: #ffffff;
}

@media (min-width: 30rem) {
  .showcase__actions,
  .newsletter__form {
    grid-template-columns: repeat(2, minmax(0, max-content));
  }

  .showcase__panel {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 48rem) {
  .site-header {
    grid-template-columns: auto 1fr auto;
    align-items: center;
    padding: var(--space-3) var(--space-5);
  }

  .site-nav {
    position: sticky;
    top: 0;
    grid-template-columns: 1fr auto auto;
    align-items: center;
    padding-inline: var(--space-5);
  }

  .site-nav__dropdown {
    position: absolute;
    top: calc(100% + 0.25rem);
    left: 0;
    padding: var(--space-1);
    border-radius: var(--radius-sm);
    background: var(--color-primary-2);
    box-shadow: var(--shadow-tight);
  }

  .showcase {
    min-height: 39rem;
    padding: var(--space-7) var(--space-5) var(--space-5);
  }

  .proof-band {
    grid-template-columns: repeat(3, 1fr);
  }

  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .services-grid__item {
    align-content: start;
  }

  .newsletter {
    grid-template-columns: 1fr auto;
    align-items: center;
  }

  .page-layout {
    grid-template-columns: minmax(0, 1fr) minmax(17rem, 22rem);
    align-items: start;
  }

  .services-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .site-footer__inner {
    grid-template-columns: 1fr auto;
    align-items: start;
  }
}

@media (min-width: 64rem) {
  .site-nav__link,
  .site-nav__dropdown-link {
    padding-inline: 1rem;
  }

  .showcase__panel {
    grid-template-columns: repeat(4, 1fr);
  }

  .statement {
    padding: var(--space-6);
  }
}

@media (max-width: 24rem) {
  .site-nav__list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .site-nav__link {
    text-align: center;
  }
}