/* Resortes Fiebig — landing
   Tokens, base, layout, components. Mobile first. */

:root {
  --steel-900: #1e2a35;
  --steel-700: #33414d;
  --steel-500: #55636f;
  --steel-300: #b9c3cc;
  --steel-200: #d9dfe4;
  --steel-100: #eef1f3;
  --white: #ffffff;
  --ember: #e8651a;
  --ember-deep: #c4500f;

  --font-display: "Big Shoulders Display", "Archivo Narrow", "Arial Narrow", Impact, sans-serif;
  --font-body: "Archivo", "Helvetica Neue", Arial, sans-serif;

  --container: 72rem;
  --gutter: clamp(1rem, 4vw, 2.5rem);
  --section-y: clamp(4rem, 9vw, 7rem);
  --header-h: 4rem;

  --radius: 4px;
  --ease-out: cubic-bezier(0.2, 0.7, 0.2, 1);
}

/* Base ------------------------------------------------------------------ */

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 1rem);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--steel-100);
  color: var(--steel-900);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
p,
ul,
ol,
dl,
dd,
figure {
  margin: 0;
}

ul,
ol {
  padding: 0;
  list-style: none;
}

a {
  color: inherit;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

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

:focus-visible {
  outline: 3px solid var(--ember);
  outline-offset: 3px;
}

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

.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 100;
  padding: 0.6rem 1rem;
  background: var(--ember);
  color: var(--steel-900);
  font-weight: 600;
}

.skip-link:focus {
  top: 0.5rem;
}

.container {
  width: min(var(--container), 100% - 2 * var(--gutter));
  margin-inline: auto;
}

/* Type scale -------------------------------------------------------------- */

.section__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.5rem, 5.5vw, 4rem);
  line-height: 0.95;
  letter-spacing: -0.005em;
  max-width: 18ch;
}

.section__lead {
  margin-top: 1rem;
  max-width: 50ch;
  font-size: 1.15rem;
  color: var(--steel-500);
}

h3 {
  font-size: 1.2rem;
  font-weight: 600;
  line-height: 1.3;
}

/* Buttons ----------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.25rem;
  padding: 0.75rem 1.5rem;
  border: 2px solid transparent;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 1.05rem;
  line-height: 1.2;
  text-decoration: none;
  white-space: nowrap;
  transition:
    background-color 0.15s ease,
    border-color 0.15s ease,
    color 0.15s ease;
}

.btn--primary {
  background: var(--ember);
  border-color: var(--ember);
  color: var(--steel-900);
}

.btn--primary:hover {
  background: var(--ember-deep);
  border-color: var(--ember-deep);
}

.btn--outline {
  border-color: var(--steel-300);
  color: var(--white);
}

.btn--outline:hover {
  border-color: var(--white);
  background: rgba(255, 255, 255, 0.08);
}

.btn--outline-dark {
  border-color: var(--steel-900);
  color: var(--steel-900);
}

.btn--outline-dark:hover {
  background: var(--steel-100);
  border-color: var(--steel-900);
}

/* Header ------------------------------------------------------------------ */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--steel-900);
  color: var(--white);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--header-h);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
}

.logo {
  flex: none;
  width: 2.5rem;
  height: 2.5rem;
}

.logo__gear {
  fill: var(--steel-300);
}

.logo__anvil {
  fill: var(--white);
}

.logo__leaf,
.logo__eye {
  fill: none;
  stroke: var(--ember);
  stroke-linecap: round;
}

.logo__leaf {
  stroke-width: 5.5;
}

.logo__eye {
  stroke-width: 4.5;
}

.brand__name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.6rem;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  line-height: 1;
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  cursor: pointer;
}

.nav-toggle__bar,
.nav-toggle__bar::before,
.nav-toggle__bar::after {
  display: block;
  width: 1.5rem;
  height: 2px;
  background: currentColor;
  transition:
    transform 0.2s var(--ease-out),
    opacity 0.2s ease;
}

.nav-toggle__bar {
  position: relative;
}

.nav-toggle__bar::before,
.nav-toggle__bar::after {
  content: "";
  position: absolute;
  left: 0;
}

.nav-toggle__bar::before {
  top: -7px;
}

.nav-toggle__bar::after {
  top: 7px;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar::before {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar::after {
  transform: translateY(-7px) rotate(-45deg);
}

.site-nav {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  padding: 0.5rem var(--gutter) 1.25rem;
  background: var(--steel-900);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.site-nav.is-open {
  display: block;
}

.site-nav__list a {
  display: block;
  padding: 0.7rem 0;
  font-weight: 500;
  text-decoration: none;
  color: var(--steel-300);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.site-nav__list a:hover,
.site-nav__list a.is-active {
  color: var(--white);
}

.site-nav__phone {
  display: inline-block;
  margin-top: 1rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.5rem;
  text-decoration: none;
  color: var(--ember);
}

@media (min-width: 56rem) {
  .nav-toggle {
    display: none;
  }

  .site-nav {
    display: flex;
    position: static;
    align-items: center;
    gap: 2rem;
    padding: 0;
    background: transparent;
    border: 0;
  }

  .site-nav__list {
    display: flex;
    gap: 1.5rem;
  }

  .site-nav__list a {
    padding: 0.35rem 0;
    border: 0;
    border-bottom: 2px solid transparent;
  }

  .site-nav__list a.is-active {
    border-bottom-color: var(--ember);
  }

  .site-nav__phone {
    margin: 0;
    font-size: 1.35rem;
  }
}

/* Hero -------------------------------------------------------------------- */

.hero {
  background: var(--steel-900);
  color: var(--white);
  padding-top: clamp(3.5rem, 8vw, 6.5rem);
  overflow: hidden;
}

.hero__copy {
  display: grid;
  gap: 1.5rem 3rem;
  align-items: end;
}

.hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(3.4rem, 8vw, 6.25rem);
  line-height: 0.9;
  letter-spacing: -0.01em;
  max-width: 16ch;
}

.hero__side {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.hero__lead {
  max-width: 40ch;
  font-size: clamp(1.1rem, 1.6vw, 1.35rem);
  color: var(--steel-300);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.hero__where {
  font-size: 0.95rem;
  color: var(--steel-300);
}

@media (min-width: 56rem) {
  .hero__copy {
    grid-template-columns: 7fr 5fr;
  }

  .hero__side {
    padding-bottom: 0.5rem;
  }
}

.hero__art {
  margin-top: clamp(2rem, 5vw, 4rem);
}

.hero__art .spring {
  width: 100%;
  height: auto;
  margin-bottom: -0.5rem;
}

@media (max-width: 40rem) {
  .hero__art .container {
    width: 100%;
  }
}

/* Spring illustration ----------------------------------------------------- */

.spring {
  overflow: visible;
}

.spring__leaf {
  fill: none;
  stroke: var(--steel-300);
  stroke-width: 14;
  stroke-linecap: round;
}

.spring__leaf--main {
  stroke: var(--white);
}

.spring__eye {
  fill: none;
  stroke: var(--white);
  stroke-width: 12;
}

.spring__bolt {
  fill: var(--steel-300);
}

.spring__clip {
  fill: var(--steel-900);
  stroke: var(--steel-300);
  stroke-width: 4;
}

/* Page-load sequence: leaves stack in, glow like they come from the forge,
   then cool to steel. main.js adds the classes and drives the flex. */

.js .spring[data-animate]:not(.is-in) .spring__leaf,
.js .spring[data-animate]:not(.is-in) .spring__eye,
.js .spring[data-animate]:not(.is-in) .spring__bolt,
.js .spring[data-animate]:not(.is-in) .spring__clip {
  opacity: 0;
  transform: translateY(16px);
}

.spring.is-hot .spring__leaf {
  stroke: var(--ember);
}

.spring.is-in .spring__leaf {
  opacity: 1;
  transform: none;
  transition:
    opacity 0.5s ease var(--d),
    transform 0.7s var(--ease-out) var(--d),
    stroke 1.8s ease var(--d);
}

.spring.is-in .spring__eye,
.spring.is-in .spring__bolt,
.spring.is-in .spring__clip {
  opacity: 1;
  transform: none;
  transition:
    opacity 0.5s ease 0.7s,
    transform 0.7s var(--ease-out) 0.7s;
}

.spring__leaf[data-leaf="0"] {
  --d: 0s;
}
.spring__leaf[data-leaf="1"] {
  --d: 0.09s;
}
.spring__leaf[data-leaf="2"] {
  --d: 0.18s;
}
.spring__leaf[data-leaf="3"] {
  --d: 0.27s;
}
.spring__leaf[data-leaf="4"] {
  --d: 0.36s;
}
.spring__leaf[data-leaf="5"] {
  --d: 0.45s;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .js .spring[data-animate]:not(.is-in) .spring__leaf,
  .js .spring[data-animate]:not(.is-in) .spring__eye,
  .js .spring[data-animate]:not(.is-in) .spring__bolt,
  .js .spring[data-animate]:not(.is-in) .spring__clip {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .spring.is-hot .spring__leaf {
    stroke: var(--steel-300);
  }

  .spring.is-hot .spring__leaf--main {
    stroke: var(--white);
  }
}

/* Sections ---------------------------------------------------------------- */

.section {
  padding-block: var(--section-y);
}

.section--services {
  background: var(--steel-100);
}

.section--process,
.section--contact {
  background: var(--white);
}

.section--vehicles {
  background: var(--steel-900);
  color: var(--white);
}

.section--about {
  background: var(--steel-100);
}

/* Services + diagram ------------------------------------------------------ */

.diagram {
  margin-top: clamp(2.5rem, 5vw, 4rem);
  padding: clamp(1.25rem, 3vw, 2.5rem);
  background: var(--white);
  border-radius: var(--radius);
}

.diagram .spring {
  width: 100%;
  height: auto;
  max-width: 62rem;
  margin-inline: auto;
}

.spring--diagram .spring__leaf {
  stroke: var(--steel-700);
}

.spring--diagram .spring__leaf--main {
  stroke: var(--ember);
}

.spring--diagram .spring__eye {
  stroke: var(--ember);
}

.spring--diagram .spring__bolt {
  fill: var(--steel-900);
}

.spring--diagram .spring__clip {
  fill: var(--white);
  stroke: var(--steel-900);
}

.spring__callout line {
  stroke: var(--steel-500);
  stroke-width: 2;
}

.spring__callout circle {
  fill: var(--steel-900);
}

.spring__callout text {
  fill: var(--white);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
}

.diagram__legend {
  margin-top: 1.5rem;
}

.diagram__legend ol {
  display: grid;
  gap: 0.75rem 1.5rem;
  counter-reset: part;
}

.diagram__legend li {
  position: relative;
  padding-left: 2.25rem;
  font-size: 0.95rem;
  color: var(--steel-500);
  counter-increment: part;
}

.diagram__legend li::before {
  content: counter(part);
  position: absolute;
  left: 0;
  top: 0.05em;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 50%;
  background: var(--steel-900);
  color: var(--white);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1rem;
}

.diagram__legend b {
  color: var(--steel-900);
  font-weight: 600;
}

@media (min-width: 40rem) {
  .diagram__legend ol {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 64rem) {
  .diagram__legend ol {
    grid-template-columns: repeat(5, 1fr);
  }
}

.services {
  display: grid;
  gap: 2rem 3rem;
  margin-top: clamp(2.5rem, 5vw, 4rem);
}

.service {
  padding-top: 1rem;
  border-top: 3px solid var(--steel-900);
}

.service p {
  margin-top: 0.5rem;
  color: var(--steel-500);
}

@media (min-width: 40rem) {
  .services {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 64rem) {
  .services {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Process ----------------------------------------------------------------- */

.steps {
  display: grid;
  gap: 2.5rem 2rem;
  margin-top: clamp(2.5rem, 5vw, 4rem);
  counter-reset: step;
}

.step {
  counter-increment: step;
}

.step::before {
  content: counter(step);
  display: block;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 4.5rem;
  line-height: 0.8;
  color: var(--ember);
}

.step__title {
  margin-top: 1rem;
}

.step p {
  margin-top: 0.5rem;
  color: var(--steel-500);
}

@media (min-width: 40rem) {
  .steps {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 64rem) {
  .steps {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Vehicles ---------------------------------------------------------------- */

.vehicles__grid {
  display: grid;
  gap: 2.5rem;
}

.section--vehicles .section__lead {
  color: var(--steel-300);
}

.vehicles {
  border-top: 1px solid var(--steel-700);
}

.vehicles li {
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--steel-700);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.6rem, 2.6vw, 2.1rem);
  line-height: 1.1;
}

@media (min-width: 56rem) {
  .vehicles__grid {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }
}

/* About ------------------------------------------------------------------- */

.about__grid {
  display: grid;
  gap: 2.5rem;
}

.about__story p {
  margin-top: 1.25rem;
  max-width: 58ch;
}

.about__story p:first-of-type {
  margin-top: 1.75rem;
  font-size: 1.15rem;
}

.reasons {
  border-top: 3px solid var(--steel-900);
}

.reason {
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--steel-300);
}

.reason p {
  margin-top: 0.4rem;
  color: var(--steel-500);
}

@media (min-width: 56rem) {
  .about__grid {
    grid-template-columns: 7fr 5fr;
    gap: 4rem;
    align-items: start;
  }

  .reasons {
    margin-top: 0.75rem;
  }
}

/* Contact ----------------------------------------------------------------- */

.contact__grid {
  display: grid;
  gap: 2.5rem;
}

.contact__list {
  display: grid;
  gap: 1.25rem;
  margin-top: 2rem;
  margin-bottom: 2rem;
}

.contact__list dt {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--steel-500);
}

.contact__list dd {
  font-size: 1.15rem;
}

.contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.contact__map iframe {
  width: 100%;
  aspect-ratio: 4 / 3;
  border: 0;
  border-radius: var(--radius);
  background: var(--steel-100);
}

@media (min-width: 56rem) {
  .contact__grid {
    grid-template-columns: 5fr 7fr;
    gap: 4rem;
    align-items: start;
  }

  .contact__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
  }

  .contact__map iframe {
    aspect-ratio: 5 / 4;
  }
}

/* Mobile call bar --------------------------------------------------------- */

.cta-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 40;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  padding: 0.6rem var(--gutter) calc(0.6rem + env(safe-area-inset-bottom));
  background: var(--steel-900);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  transition: transform 0.25s var(--ease-out);
}

.js .cta-bar:not(.is-visible) {
  transform: translateY(100%);
}

.cta-bar .btn {
  min-height: 2.9rem;
}

body {
  padding-bottom: 4.5rem;
}

@media (min-width: 56rem) {
  .cta-bar {
    display: none;
  }

  body {
    padding-bottom: 0;
  }
}

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

.site-footer {
  background: var(--steel-900);
  color: var(--steel-300);
  padding-block: 2.5rem;
  font-size: 0.9rem;
}

.site-footer__brand {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.site-footer .logo {
  width: 3.5rem;
  height: 3.5rem;
}

.site-footer__name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.6rem;
  line-height: 1;
  text-transform: uppercase;
  color: var(--white);
}

.site-footer__tagline {
  margin-top: 0.25rem;
}

.site-footer__legal {
  margin-top: 1.5rem;
}

.site-footer__copy {
  margin-top: 0.25rem;
}