/* ============================================================
   INNOVATED METAL WORKS — design system
   Dark industrial: charcoal steel, warm white, plasma-spark orange
   ============================================================ */

:root {
  /* Type scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);

  /* Spacing (4px system) */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Surfaces — steel charcoal */
  --color-bg: #141618;
  --color-surface: #1a1d20;
  --color-surface-2: #202428;
  --color-surface-offset: #23272b;
  --color-divider: #2b3036;
  --color-border: oklch(from #e8e5df l c h / 0.12);

  /* Text */
  --color-text: #eceae5;
  --color-text-muted: #a8a9a4;
  --color-text-faint: #949690;
  --color-text-inverse: #141618;

  /* Accent — plasma-spark orange */
  --color-accent: #ff8130;
  --color-accent-hover: #ff9a52;
  --color-accent-strong: #e56d1c;
  --color-accent-deep: #c2410c;

  /* Light-section palette */
  --color-light-bg: #f4f2ed;
  --color-light-surface: #faf9f5;
  --color-light-text: #1e1f1d;
  --color-light-muted: #5b5b56;
  --color-light-border: oklch(from #1e1f1d l c h / 0.12);

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  --shadow-sm: 0 1px 2px oklch(0.12 0.008 80 / 0.4);
  --shadow-md: 0 4px 12px oklch(0.12 0.008 80 / 0.5);
  --shadow-lg: 0 12px 32px oklch(0.1 0.008 80 / 0.55);

  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;

  --font-display: 'Clash Display', 'Archivo', sans-serif;
  --font-body: 'Satoshi', 'Inter', sans-serif;
}

/* ============ Layout helpers ============ */

.container {
  max-width: var(--content-default);
  margin-inline: auto;
  padding-inline: var(--space-5);
}

.container--wide {
  max-width: var(--content-wide);
}

.section {
  padding-block: clamp(var(--space-12), 7vw, var(--space-20));
}

.section--dark {
  background: var(--color-bg);
  color: var(--color-text);
}

.section--light {
  background: var(--color-light-bg);
  color: var(--color-light-text);
}

.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-4);
  z-index: 100;
  padding: var(--space-2) var(--space-4);
  background: var(--color-accent);
  color: var(--color-text-inverse);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: 700;
  text-decoration: none;
}

.skip-link:focus {
  top: var(--space-2);
}

/* ============ Header ============ */

.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: oklch(from #141618 l c h / 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
}

.header--scrolled {
  border-bottom-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: 64px;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 2px;
  text-decoration: none;
  color: var(--color-text);
}

.brand__mark {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  line-height: 1;
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
}

.brand__mark-accent {
  color: var(--color-accent);
}

.brand__sub {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--color-text-muted);
}

.nav {
  display: none;
  align-items: center;
  gap: var(--space-6);
}

.nav__link {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-weight: 500;
  text-decoration: none;
  letter-spacing: 0.02em;
}

.nav__link:hover,
.nav__link:focus-visible {
  color: var(--color-text);
}

.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  color: var(--color-text);
  border-radius: var(--radius-sm);
}

.nav-toggle:active {
  transform: translateY(1px);
}

@media (min-width: 900px) {
  .nav {
    display: flex;
  }
  .nav-toggle {
    display: none;
  }
  .mobile-nav {
    display: none !important;
  }
}

/* Compact header on small phones */
@media (max-width: 560px) {
  .brand__sub {
    display: none;
  }
  .brand__mark {
    font-size: var(--text-sm);
  }
  .header__inner {
    min-height: 60px;
    padding-inline: var(--space-4);
    gap: var(--space-2);
  }
  .header__actions {
    gap: var(--space-2);
  }
  .header__actions .btn {
    font-size: var(--text-xs);
    padding: var(--space-2) var(--space-3);
    white-space: nowrap;
  }
  .phone-full {
    display: none;
  }
}

.phone-short {
  display: none;
}

/* Mobile nav */
.mobile-nav {
  display: none;
  flex-direction: column;
  padding-block: var(--space-2) var(--space-4);
  border-top: 1px solid var(--color-border);
}

.mobile-nav--open {
  display: flex;
}

.mobile-nav__link {
  padding: var(--space-3) var(--space-1);
  color: var(--color-text);
  font-size: var(--text-base);
  font-weight: 500;
  text-decoration: none;
  border-bottom: 1px solid var(--color-border);
}

.mobile-nav__link:last-child {
  border-bottom: none;
}

/* ============ Buttons ============ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 48px;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.03em;
  text-decoration: none;
  border: 1px solid transparent;
}

.btn--accent {
  background: var(--color-accent);
  color: var(--color-text-inverse);
}

.btn--accent:hover,
.btn--accent:focus-visible {
  background: var(--color-accent-hover);
}

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

.btn--outline {
  border-color: var(--color-border);
  color: var(--color-text);
}

.btn--outline:hover,
.btn--outline:focus-visible {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn--ghost-light {
  border-color: var(--color-light-border);
  color: var(--color-light-text);
}

.btn--ghost-light:hover,
.btn--ghost-light:focus-visible {
  border-color: var(--color-accent-deep);
  color: var(--color-accent-deep);
}

.btn--accent-deep {
  background: var(--color-accent-deep);
  color: #fff;
}

.btn--accent-deep:hover,
.btn--accent-deep:focus-visible {
  background: #a33a06;
}

/* ============ Hero ============ */

.hero {
  position: relative;
  min-height: min(92vh, 760px);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  isolation: isolate;
  color: var(--color-text);
}

.hero__media {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(to top, rgb(11 12 13 / 0.94) 0%, rgb(11 12 13 / 0.55) 45%, rgb(11 12 13 / 0.35) 100%),
    radial-gradient(80% 90% at 75% 30%, transparent 0%, rgb(11 12 13 / 0.5) 100%);
}

.hero__content {
  padding-block: var(--space-16) var(--space-10);
  max-width: 760px;
}

.hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}

.hero__kicker::before {
  content: '';
  width: 32px;
  height: 2px;
  background: var(--color-accent);
}

.hero__title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 600;
  line-height: 1.04;
  letter-spacing: -0.01em;
  margin-bottom: var(--space-5);
}

.hero__title em {
  font-style: normal;
  color: var(--color-accent);
}

.hero__lede {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 58ch;
  margin-bottom: var(--space-8);
  line-height: 1.5;
}

.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

/* Hero spec strip */
.spec-strip {
  position: relative;
  background: oklch(from #0d0e10 l c h / 0.92);
  border-top: 1px solid var(--color-border);
  color: var(--color-text);
}

.spec-strip__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4) var(--space-6);
  padding-block: var(--space-5);
}

.spec-strip__item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.spec-strip__label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--color-text-faint);
}

.spec-strip__value {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 500;
  letter-spacing: 0.01em;
}

.spec-strip__value em {
  font-style: normal;
  color: var(--color-accent);
}

@media (min-width: 720px) {
  .spec-strip__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ============ Section headings ============ */

.section-head {
  max-width: 640px;
  margin-bottom: var(--space-10);
}

.section-head__kicker {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}

.section--light .section-head__kicker {
  color: var(--color-accent-deep);
}

.section-head__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 600;
  line-height: 1.08;
  margin-bottom: var(--space-4);
}

.section-head__lede {
  font-size: var(--text-lg);
  line-height: 1.55;
  color: var(--color-text-muted);
}

.section--light .section-head__lede {
  color: var(--color-light-muted);
}

/* ============ Emergency section ============ */

.emergency {
  background:
    linear-gradient(105deg, rgb(20 22 24 / 0.97) 0%, rgb(20 22 24 / 0.82) 55%, rgb(20 22 24 / 0.6) 100%),
    var(--color-surface-offset);
  color: var(--color-text);
  border-block: 1px solid var(--color-divider);
  position: relative;
  overflow: hidden;
}

.emergency__grid {
  display: grid;
  gap: var(--space-10);
  align-items: center;
}

@media (min-width: 900px) {
  .emergency__grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: var(--space-16);
  }
}

.emergency__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-5);
}

.emergency__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 600;
  line-height: 1.08;
  margin-bottom: var(--space-5);
}

.emergency__copy {
  color: var(--color-text-muted);
  font-size: var(--text-lg);
  line-height: 1.55;
  margin-bottom: var(--space-8);
  max-width: 56ch;
}

.emergency__phone {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  margin-bottom: var(--space-8);
}

.emergency__phone-label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-text-faint);
}

.emergency__phone-number {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-accent);
  text-decoration: none;
}

.emergency__phone-number:hover,
.emergency__phone-number:focus-visible {
  color: var(--color-accent-hover);
}

.emergency__list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.emergency__tag {
  padding: var(--space-1) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
}

.emergency__media {
  position: relative;
}

.emergency__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
}

.emergency__media::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  pointer-events: none;
}

/* ============ Services (light section) ============ */

.services {
  background: var(--color-light-bg);
  color: var(--color-light-text);
}

.services-grid {
  display: grid;
  gap: var(--space-5);
}

@media (min-width: 720px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
  }
}

.service-card {
  background: var(--color-light-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}

.service-card--wide {
  grid-column: 1 / -1;
}

@media (min-width: 720px) {
  .service-card--media-right .service-card__body {
    order: 2;
  }
  .service-card--media-right {
    flex-direction: row;
  }
  .service-card--media-right .service-card__media {
    flex: 0 0 46%;
  }
  .service-card:not(.service-card--media-right) .service-card__media {
    flex: 0 0 46%;
  }
  .service-card:not(.service-card--wide) {
    flex-direction: row;
  }
  .service-card--wide:not(.service-card--media-right) {
    flex-direction: row;
  }
  .service-card__media {
    max-height: 480px;
  }
}

.service-card__media {
  position: relative;
  min-height: 220px;
  overflow: hidden;
}

.service-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.service-card__index {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  color: #fff;
  background: oklch(from #141618 l c h / 0.75);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  backdrop-filter: blur(4px);
}

.service-card__body {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  justify-content: center;
}

.service-card__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  line-height: 1.1;
}

.service-card__copy {
  color: var(--color-light-muted);
  line-height: 1.6;
}

.service-card__meta {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent-deep);
}

/* ============ Hotshot delivery band ============ */

.hotshot {
  position: relative;
  isolation: isolate;
  display: flex;
  align-items: center;
  min-height: 560px;
  color: var(--color-text);
  overflow: hidden;
  border-block: 1px solid var(--color-divider);
}

.hotshot__media {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.hotshot__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hotshot__overlay {
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(
    to right,
    rgb(11 12 13 / 0.96) 0%,
    rgb(11 12 13 / 0.88) 42%,
    rgb(11 12 13 / 0.55) 72%,
    rgb(11 12 13 / 0.3) 100%
  );
}

.hotshot__content {
  padding-block: var(--space-16);
  max-width: 620px;
}

.hotshot__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 600;
  line-height: 1.08;
  margin-bottom: var(--space-5);
}

.hotshot__title em {
  font-style: normal;
  color: var(--color-accent);
}

.hotshot__copy {
  color: var(--color-text-muted);
  font-size: var(--text-lg);
  line-height: 1.55;
  margin-bottom: var(--space-6);
}

.hotshot__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-8);
}

/* ============ Process ============ */

.process__grid {
  display: grid;
  gap: var(--space-8);
  counter-reset: step;
}

@media (min-width: 800px) {
  .process__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-10);
  }
}

.process-step {
  border-top: 1px solid var(--color-divider);
  padding-top: var(--space-5);
}

.process-step__num {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}

.process-step__title {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.process-step__copy {
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ============ Contact (light) ============ */

.contact {
  background: var(--color-light-bg);
  color: var(--color-light-text);
}

.contact__grid {
  display: grid;
  gap: var(--space-12);
}

@media (min-width: 900px) {
  .contact__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
  }
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.contact-block {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.contact-block__label {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent-deep);
}

.contact-block__value {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-light-text);
  text-decoration: none;
}

a.contact-block__value:hover,
a.contact-block__value:focus-visible {
  color: var(--color-accent-deep);
}

.contact-block__note {
  color: var(--color-light-muted);
  font-size: var(--text-sm);
  line-height: 1.55;
  max-width: 48ch;
}

/* Form */
.quote-form {
  background: var(--color-light-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.quote-form__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--space-1);
}

.quote-form__hint {
  color: var(--color-light-muted);
  font-size: var(--text-sm);
  margin-bottom: var(--space-2);
}

.form-row {
  display: grid;
  gap: var(--space-4);
}

@media (min-width: 560px) {
  .form-row--two {
    grid-template-columns: 1fr 1fr;
  }
}

.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.field label {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-light-text);
}

.field input,
.field textarea {
  min-height: 48px;
  padding: var(--space-3);
  border: 1px solid var(--color-light-border);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--color-light-text);
  font-size: var(--text-base);
  width: 100%;
}

.field textarea {
  min-height: 140px;
  resize: vertical;
}

.field input:focus-visible,
.field textarea:focus-visible {
  outline: 2px solid var(--color-accent-deep);
  outline-offset: 1px;
  border-color: var(--color-accent-deep);
}

.quote-form__note {
  font-size: var(--text-xs);
  color: var(--color-light-muted);
  line-height: 1.5;
}

/* ============ Footer ============ */

.footer {
  background: #0d0e10;
  color: var(--color-text-muted);
  padding-block: var(--space-10);
  font-size: var(--text-sm);
}

.footer__grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6);
  justify-content: space-between;
  align-items: flex-start;
}

.footer__brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer__link {
  color: var(--color-text-muted);
  text-decoration: none;
}

.footer__link:hover,
.footer__link:focus-visible {
  color: var(--color-accent);
}

.footer__emergency {
  font-weight: 700;
  color: var(--color-accent);
  text-decoration: none;
}

.footer__emergency:hover,
.footer__emergency:focus-visible {
  color: var(--color-accent-hover);
}

.footer__bottom {
  margin-top: var(--space-8);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-divider);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: space-between;
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}