/* RoboPeak — Le Sommet Design System */
:root {
  --obsidian: #0A0D14;
  --slate: #141A26;
  --ice: #E9EDF3;
  --electric-blue: #2F6BF0;
  --summit-lime: #C6F04E;
  --cool-grey: #7C8492;
  --white: #FFFFFF;
  --blue-hover: #2558C8;
  --lime-hover: #B3DB3A;
  --focus-ring: #2F6BF0;
  --text-on-dark: #E9EDF3;
  --text-on-light: #0A0D14;
  --max-width: 1200px;
  --header-height: 72px;
  --radius: 8px;
  --radius-lg: 16px;
  --transition: 0.3s ease;
  --font-display: "Archivo", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", monospace;
}

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

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

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--text-on-light);
  background: var(--ice);
}

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

a {
  color: var(--electric-blue);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover { color: var(--blue-hover); }

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 2px;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.2;
  font-weight: 700;
}

h1 { font-size: clamp(2rem, 5vw, 3.25rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.25rem); }
h3 { font-size: clamp(1.125rem, 2.5vw, 1.5rem); }

p { margin: 0 0 1rem; }

ul, ol { margin: 0 0 1rem; padding-left: 1.5rem; }

.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 10000;
  padding: 0.75rem 1.25rem;
  background: var(--electric-blue);
  color: var(--white);
  font-weight: 600;
  border-radius: var(--radius);
}

.skip-link:focus { top: 1rem; }

/* Surfaces */
.surface-obsidian {
  background: var(--obsidian);
  color: var(--text-on-dark);
}

.surface-slate {
  background: var(--slate);
  color: var(--text-on-dark);
}

.surface-ice {
  background: var(--ice);
  color: var(--text-on-light);
}

.surface-blue {
  background: var(--electric-blue);
  color: var(--white);
}

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

.section {
  padding: clamp(3rem, 8vw, 6rem) 0;
}

.section--compact { padding: clamp(2rem, 5vw, 3.5rem) 0; }

.grid-2 {
  display: grid;
  gap: 2rem;
}

@media (min-width: 768px) {
  .grid-2 { grid-template-columns: 1fr 1fr; }
}

.grid-3 {
  display: grid;
  gap: 1.5rem;
}

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

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  transition: background var(--transition), box-shadow var(--transition), backdrop-filter var(--transition);
}

.site-header--transparent {
  background: transparent;
}

.site-header--sticky {
  background: rgba(233, 237, 243, 0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(10, 13, 20, 0.08);
}

.site-header--sticky .logo,
.site-header.surface-ice .logo {
  color: var(--obsidian);
}

.site-header--sticky .nav-link,
.site-header.surface-ice .nav-link {
  color: var(--obsidian);
}

.site-header--sticky .nav-toggle span,
.site-header.surface-ice .nav-toggle span {
  background: var(--obsidian);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  width: min(100% - 2rem, var(--max-width));
  margin-inline: auto;
}

.logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.35rem;
  color: var(--ice);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.logo span { color: var(--electric-blue); }

.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--ice);
  transition: var(--transition);
}

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

.main-nav {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  background: var(--ice);
  padding: 1.5rem;
  transform: translateY(-120%);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  box-shadow: 0 8px 24px rgba(10, 13, 20, 0.12);
}

.main-nav.is-open {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

@media (min-width: 900px) {
  .main-nav {
    position: static;
    display: flex;
    align-items: center;
    gap: 1.75rem;
    background: transparent;
    padding: 0;
    transform: none;
    opacity: 1;
    visibility: visible;
    box-shadow: none;
  }
}

.nav-link {
  color: var(--ice);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9375rem;
}

.site-header--sticky .nav-link:hover { color: var(--electric-blue); }

.main-nav .nav-link {
  display: block;
  padding: 0.5rem 0;
}

@media (min-width: 900px) {
  .main-nav .nav-link { padding: 0; }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9375rem;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition);
}

.btn--primary {
  background: var(--electric-blue);
  color: var(--white);
  border-color: var(--electric-blue);
}

.btn--primary:hover {
  background: var(--blue-hover);
  border-color: var(--blue-hover);
  color: var(--white);
}

.btn--lime {
  background: var(--summit-lime);
  color: var(--obsidian);
  border-color: var(--summit-lime);
}

.btn--lime:hover {
  background: var(--lime-hover);
  border-color: var(--lime-hover);
  color: var(--obsidian);
}

.btn--outline {
  background: transparent;
  color: var(--ice);
  border-color: rgba(233, 237, 243, 0.5);
}

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

.btn--outline-dark {
  background: transparent;
  color: var(--obsidian);
  border-color: var(--obsidian);
}

.btn--outline-dark:hover {
  background: var(--obsidian);
  color: var(--ice);
}

/* Hero — Le Sommet */
.hero-sommet {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-sommet__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  z-index: 0;
}

.hero-sommet__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(10, 13, 20, 0.88) 0%,
    rgba(10, 13, 20, 0.65) 50%,
    rgba(20, 26, 38, 0.75) 100%
  );
  z-index: 1;
}

.hero-sommet__content {
  position: relative;
  z-index: 2;
  width: min(100% - 2rem, var(--max-width));
  margin-inline: auto;
  padding: calc(var(--header-height) + 3rem) 0 4rem;
}

.hero-eyebrow {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.hero-eyebrow__item {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--cool-grey);
  padding: 0.35rem 0.75rem;
  border: 1px solid rgba(124, 132, 146, 0.4);
  border-radius: 100px;
}

.hero-sommet h1 {
  max-width: 18ch;
  margin-bottom: 1.5rem;
}

.text-lime { color: var(--summit-lime); }

.hero-sommet__lead {
  font-size: 1.2rem;
  max-width: 52ch;
  color: var(--cool-grey);
  margin-bottom: 2rem;
}

.hero-sommet__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

/* Peak line motif */
.peak-line {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 120px;
  z-index: 2;
  pointer-events: none;
}

.peak-line svg {
  width: 100%;
  height: 100%;
}

/* Page hero (inner pages) */
.page-hero {
  padding: calc(var(--header-height) + 3rem) 0 3rem;
}

.page-hero h1 { margin-bottom: 0.75rem; }

.page-hero__lead {
  font-size: 1.125rem;
  color: var(--cool-grey);
  max-width: 60ch;
}

.surface-obsidian .page-hero__lead { color: var(--cool-grey); }

/* Cards */
.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: 0 2px 12px rgba(10, 13, 20, 0.06);
}

.surface-slate .card,
.surface-obsidian .card {
  background: var(--slate);
  box-shadow: none;
  border: 1px solid rgba(124, 132, 146, 0.2);
}

.card h3 { margin-top: 0; }

.card__icon {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--electric-blue);
  margin-bottom: 0.75rem;
}

/* Service cards */
.service-card {
  background: var(--ice);
  color: var(--text-on-light);
  border-radius: var(--radius-lg);
  padding: 2rem;
  border-left: 4px solid var(--electric-blue);
  box-shadow: 0 4px 28px rgba(0, 0, 0, 0.22);
}

.service-card h3 {
  margin-top: 0;
  color: var(--obsidian);
}

.service-card p {
  color: #1a2030;
}

/* Work / project cards */
.project-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--white);
}

.project-card img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
}

.project-card__body { padding: 1.5rem; }

.project-card__tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--electric-blue);
}

/* Images */
.content-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.content-image img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
}

.content-image figcaption {
  font-size: 0.875rem;
  color: var(--cool-grey);
  padding: 0.75rem 0 0;
  font-family: var(--font-mono);
}

/* Stats */
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.stat__value {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--electric-blue);
}

.stat__label {
  font-size: 0.875rem;
  color: var(--cool-grey);
}

/* FAQ */
.faq-item {
  border-bottom: 1px solid rgba(124, 132, 146, 0.25);
  padding: 1.25rem 0;
}

.faq-item summary {
  font-family: var(--font-display);
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after {
  content: "+";
  font-size: 1.25rem;
  color: var(--electric-blue);
  flex-shrink: 0;
}

.faq-item[open] summary::after { content: "−"; }

.faq-item__answer { padding-top: 1rem; color: var(--cool-grey); }

/* Forms */
.form-group { margin-bottom: 1.25rem; }

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.4rem;
  font-size: 0.9375rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  font-size: 1rem;
  border: 2px solid rgba(124, 132, 146, 0.35);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--obsidian);
}

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

.form-check {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.form-check input { margin-top: 0.3rem; flex-shrink: 0; }

.hp-field {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  overflow: hidden;
}

/* Legal prose */
.legal-prose h2 {
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  font-size: 1.35rem;
}

.legal-prose h3 {
  margin-top: 1.75rem;
  margin-bottom: 0.75rem;
  font-size: 1.1rem;
}

.legal-prose p,
.legal-prose li { color: #2a3040; }

/* Footer */
.site-footer {
  padding: 3rem 0 2rem;
}

.footer-grid {
  display: grid;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

@media (min-width: 768px) {
  .footer-grid { grid-template-columns: 2fr 1fr 1fr; }
}

.footer-brand p {
  color: var(--cool-grey);
  font-size: 0.9375rem;
}

.footer-heading {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li { margin-bottom: 0.5rem; }

.footer-links a {
  color: var(--cool-grey);
  text-decoration: none;
  font-size: 0.9375rem;
}

.footer-links a:hover { color: var(--electric-blue); }

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(124, 132, 146, 0.2);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.8125rem;
  color: var(--cool-grey);
}

/* CTA band */
.cta-band {
  padding: 3rem;
  border-radius: var(--radius-lg);
  text-align: center;
}

.cta-band h2 { margin-bottom: 0.75rem; }

.cta-band p {
  max-width: 50ch;
  margin: 0 auto 1.5rem;
  color: var(--cool-grey);
}

/* Reveal animations */
.js .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.js .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .js .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* Cookie banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  background: var(--slate);
  color: var(--ice);
  padding: 1.5rem;
  box-shadow: 0 -4px 24px rgba(10, 13, 20, 0.2);
  transform: translateY(100%);
  transition: transform var(--transition);
}

.cookie-banner.is-visible { transform: translateY(0); }

.cookie-banner__inner {
  width: min(100%, var(--max-width));
  margin-inline: auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.cookie-banner p {
  margin: 0;
  flex: 1 1 300px;
  font-size: 0.9375rem;
}

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

.cookie-banner .btn--outline {
  color: var(--ice);
  font-size: 0.8125rem;
  padding: 0.5rem 1rem;
}

.cookie-modal {
  position: fixed;
  inset: 0;
  z-index: 10001;
  background: rgba(10, 13, 20, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.cookie-modal.is-visible {
  opacity: 1;
  visibility: visible;
}

.cookie-modal__panel {
  background: var(--ice);
  color: var(--obsidian);
  border-radius: var(--radius-lg);
  padding: 2rem;
  max-width: 480px;
  width: 100%;
}

.cookie-modal__panel h2 {
  margin-top: 0;
  font-size: 1.25rem;
}

/* 404 */
.error-page {
  min-height: 80vh;
  display: flex;
  align-items: center;
  text-align: center;
  padding: calc(var(--header-height) + 2rem) 0 4rem;
}

.error-code {
  font-family: var(--font-mono);
  font-size: 6rem;
  font-weight: 700;
  color: var(--electric-blue);
  line-height: 1;
  margin-bottom: 1rem;
}

/* Merci page */
.merci-page {
  min-height: 70vh;
  display: flex;
  align-items: center;
  padding: calc(var(--header-height) + 3rem) 0 4rem;
}

.merci-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--summit-lime);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin-bottom: 1.5rem;
}

/* Utility */
.text-center { text-align: center; }
.text-muted { color: var(--cool-grey); }
.mb-0 { margin-bottom: 0; }
.mt-2 { margin-top: 2rem; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

.eyebrow-mono {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--electric-blue);
  margin-bottom: 1rem;
}

.intro-lead {
  font-size: 1.125rem;
  line-height: 1.7;
  max-width: 52rem;
}

.footer-disclaimer {
  grid-column: 1 / -1;
  font-size: 0.8125rem;
  line-height: 1.65;
  color: var(--cool-grey);
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(233, 237, 243, 0.12);
}

.footer-hosting {
  grid-column: 1 / -1;
  font-size: 0.8125rem;
  color: var(--cool-grey);
  margin-bottom: 0.5rem;
}