/* ============================================================
   American Snack. Feuille de style unique
   Organisation. tokens / reset / base / layout / components
                 sections / prose / utilities / media queries
   ============================================================ */


/* === TOKENS ================================================= */

:root {
  /* Palette de marque */
  --color-brand: #15151A;
  --color-background: #F6F2E9;
  --color-surface: #FFFFFF;
  --color-surface-raised: #FDF9F3;
  --color-surface-muted: #EDE8DE;
  --color-border: #E0D9CE;
  --color-border-strong: #8A7E72;
  --color-text-primary: #15151A;
  --color-text-secondary: #8A7E72;
  --color-text-disabled: #B8A48F;
  --color-text-on-dark: #F6F2E9;
  --color-primary: #F2972F;
  --color-primary-hover: #D9601F;
  --color-primary-light: #FEF0DC;
  --color-accent: #FBC56B;
  --color-accent-light: #FEF5E4;

  /* Sémantique (réservée à d'éventuels composants. notifs, formulaires) */
  --color-success: #16a34a;
  --color-success-light: #dcfce7;
  --color-warning: #D9601F;
  --color-warning-light: #FDE8D0;
  --color-error: #dc2626;
  --color-error-light: #fee2e2;
  --color-text-on-semantic-success: #ffffff;
  --color-text-on-semantic-warning: #15151A;
  --color-text-on-semantic-error: #ffffff;

  --color-overlay: rgba(21, 21, 26, 0.50);
  --color-overlay-soft: rgba(21, 21, 26, 0.20);

  /* Typographies */
  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* Échelle modulaire fluide. clamp(min, vw, max) */
  --fs-100: clamp(0.75rem, 0.72rem + 0.15vw, 0.85rem);
  --fs-200: clamp(0.875rem, 0.84rem + 0.18vw, 0.95rem);
  --fs-300: clamp(1rem, 0.96rem + 0.2vw, 1.1rem);
  --fs-400: clamp(1.125rem, 1.08rem + 0.25vw, 1.25rem);
  --fs-500: clamp(1.25rem, 1.18rem + 0.4vw, 1.5rem);
  --fs-600: clamp(1.5rem, 1.35rem + 0.8vw, 2rem);
  --fs-700: clamp(2rem, 1.7rem + 1.6vw, 3rem);
  --fs-800: clamp(2.75rem, 2.2rem + 2.8vw, 4.5rem);
  --fs-900: clamp(3.5rem, 2.4rem + 5.6vw, 7rem);

  /* Espacements (échelle 4 / 8 px) */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-9: 6rem;
  --space-10: 8rem;

  /* Rayons */
  --radius-sm: 4px;
  --radius-md: 10px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  /* Ombres */
  --shadow-sm: 0 1px 2px rgba(21, 21, 26, 0.06);
  --shadow-md: 0 4px 16px rgba(21, 21, 26, 0.08);
  --shadow-lg: 0 12px 40px rgba(21, 21, 26, 0.12);

  /* Layout */
  --container-max: 1200px;
  --container-prose: 720px;

  /* Animations */
  --transition-base: 180ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 320ms cubic-bezier(0.4, 0, 0.2, 1);
}


/* === RESET ================================================== */

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

* {
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  text-rendering: optimizeLegibility;
}

html:focus-within {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img,
picture,
svg,
video {
  display: block;
  max-width: 100%;
  height: auto;
}

input,
button,
textarea,
select {
  font: inherit;
  color: inherit;
}

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

ul,
ol {
  list-style: none;
}

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


/* === BASE =================================================== */

body {
  font-family: var(--font-body);
  font-size: var(--fs-300);
  color: var(--color-text-primary);
  background-color: var(--color-background);
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--color-brand);
}

p {
  max-width: 65ch;
}

a {
  transition: color var(--transition-base);
}

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

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

::selection {
  background-color: var(--color-accent);
  color: var(--color-brand);
}


/* === LAYOUT ================================================= */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: clamp(var(--space-4), 4vw, var(--space-7));
}

.section {
  padding-block: clamp(var(--space-8), 10vw, var(--space-10));
}

.section--tight {
  padding-block: clamp(var(--space-7), 7vw, var(--space-8));
}

.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-4);
  z-index: 100;
  padding: var(--space-3) var(--space-4);
  background-color: var(--color-brand);
  color: var(--color-text-on-dark);
  border-radius: var(--radius-sm);
  font-size: var(--fs-200);
  font-weight: 600;
  transition: top var(--transition-base);
}

.skip-link:focus {
  top: var(--space-3);
}


/* === HEADER ================================================= */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: rgba(246, 242, 233, 0.85);
  backdrop-filter: saturate(140%) blur(12px);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-base);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  padding-block: var(--space-4);
}

.site-nav ul {
  display: flex;
  gap: clamp(var(--space-4), 3vw, var(--space-6));
}

.site-nav a {
  font-size: var(--fs-200);
  font-weight: 500;
  color: var(--color-text-primary);
  position: relative;
  padding-block: var(--space-2);
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background-color: var(--color-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  transform: scaleX(1);
}

@media (max-width: 32em) {
  .site-nav ul {
    gap: var(--space-4);
  }
  .site-nav a {
    font-size: var(--fs-100);
  }
}


/* === WORDMARK =============================================== */

.wordmark {
  display: inline-flex;
  flex-direction: column;
  font-family: var(--font-display);
  font-weight: 900;
  font-style: italic;
  font-optical-sizing: auto;
  font-variation-settings: "SOFT" 50, "WONK" 0;
  line-height: 0.88;
  letter-spacing: -0.025em;
  color: var(--color-brand);
}

.wordmark__american {
  display: block;
}

.wordmark__snack {
  display: inline-block;
  color: var(--color-primary);
  background-image: linear-gradient(var(--color-accent), var(--color-accent));
  background-repeat: no-repeat;
  background-position: 0 88%;
  background-size: 100% 0.18em;
  padding-bottom: 0.05em;
}

.wordmark--inline {
  flex-direction: row;
  align-items: baseline;
  gap: 0.3em;
  font-size: clamp(1.25rem, 1rem + 1.5vw, 1.75rem);
}

.wordmark--hero {
  font-size: var(--fs-900);
}

.wordmark--footer {
  flex-direction: row;
  align-items: baseline;
  gap: 0.3em;
  font-size: var(--fs-500);
}


/* === BUTTONS ================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: var(--fs-200);
  font-weight: 600;
  letter-spacing: 0.01em;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background-color var(--transition-base),
              color var(--transition-base),
              border-color var(--transition-base),
              transform var(--transition-base);
}

.btn--primary {
  background-color: var(--color-primary);
  color: var(--color-text-on-dark);
}

.btn--primary:hover {
  background-color: var(--color-primary-hover);
  color: var(--color-text-on-dark);
  transform: translateY(-1px);
}

.btn--ghost {
  background-color: transparent;
  color: var(--color-brand);
  border-color: var(--color-brand);
}

.btn--ghost:hover {
  background-color: var(--color-brand);
  color: var(--color-text-on-dark);
  transform: translateY(-1px);
}

.btn--lg {
  padding: var(--space-4) var(--space-6);
  font-size: var(--fs-300);
}

.btn__arrow {
  display: inline-block;
  transition: transform var(--transition-base);
}

.btn:hover .btn__arrow {
  transform: translateX(3px);
}


/* === HERO =================================================== */

.hero {
  position: relative;
  padding-block: clamp(var(--space-8), 12vw, var(--space-10));
  overflow: hidden;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  margin-bottom: var(--space-5);
  background-color: var(--color-primary-light);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-full);
  font-size: var(--fs-100);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary-hover);
}

.hero__star {
  width: 0.8em;
  height: 0.8em;
  fill: var(--color-primary);
}

.hero__title {
  margin-bottom: var(--space-5);
}

.hero__tagline {
  font-family: var(--font-display);
  font-weight: 400;
  font-style: italic;
  font-size: var(--fs-600);
  color: var(--color-text-secondary);
  line-height: 1.25;
  max-width: 22ch;
  margin-bottom: var(--space-4);
}

.hero__sub {
  font-size: var(--fs-400);
  color: var(--color-text-primary);
  max-width: 50ch;
  margin-bottom: var(--space-7);
}

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

.hero__decor {
  position: absolute;
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 900;
  color: var(--color-accent-light);
  pointer-events: none;
  user-select: none;
  z-index: -1;
  line-height: 1;
}

.hero__decor--star {
  top: 10%;
  right: 4%;
  font-size: clamp(6rem, 18vw, 14rem);
  color: var(--color-accent);
  opacity: 0.45;
}

@media (max-width: 48em) {
  .hero__decor--star {
    display: none;
  }
}


/* === SECTION HEADING (réutilisable) ========================= */

.section-heading {
  margin-bottom: var(--space-7);
  max-width: 30ch;
}

.section-heading__eyebrow {
  display: block;
  font-family: var(--font-body);
  font-size: var(--fs-100);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary-hover);
  margin-bottom: var(--space-3);
}

.section-heading__title {
  font-size: var(--fs-700);
}

.section-heading__lead {
  margin-top: var(--space-4);
  font-size: var(--fs-400);
  color: var(--color-text-secondary);
  max-width: 60ch;
}


/* === ABOUT ================================================== */

.about {
  background-color: var(--color-surface-raised);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.about__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-5);
  margin-top: var(--space-6);
}

.card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: transform var(--transition-base),
              box-shadow var(--transition-base),
              border-color var(--transition-base);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
}

.card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-4);
  border-radius: var(--radius-md);
  background-color: var(--color-primary-light);
  color: var(--color-primary-hover);
  font-size: var(--fs-500);
}

.card__title {
  font-size: var(--fs-500);
  margin-bottom: var(--space-3);
}

.card__text {
  font-size: var(--fs-300);
  color: var(--color-text-secondary);
  line-height: 1.65;
}


/* === CONTACT ================================================ */

.contact__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-7);
  align-items: start;
}

@media (min-width: 56em) {
  .contact__inner {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-9);
  }
}

.contact__details {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  padding: var(--space-6);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.contact__label {
  display: block;
  font-size: var(--fs-100);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
}

.contact__value {
  font-family: var(--font-display);
  font-size: var(--fs-500);
  font-weight: 600;
  color: var(--color-brand);
  word-break: break-word;
}

.contact__value:hover {
  color: var(--color-primary-hover);
}

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

.social-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background-color: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--fs-200);
  font-weight: 500;
  transition: background-color var(--transition-base),
              border-color var(--transition-base),
              color var(--transition-base);
}

.social-link:hover {
  background-color: var(--color-brand);
  border-color: var(--color-brand);
  color: var(--color-text-on-dark);
}


/* === FOOTER ================================================= */

.site-footer {
  background-color: var(--color-brand);
  color: var(--color-text-on-dark);
  padding-block: var(--space-8) var(--space-5);
}

.site-footer__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  margin-bottom: var(--space-6);
}

@media (min-width: 48em) {
  .site-footer__inner {
    grid-template-columns: 1fr auto;
    align-items: center;
  }
}

.site-footer .wordmark {
  color: var(--color-text-on-dark);
}

.site-footer .wordmark__snack {
  color: var(--color-accent);
  background-image: none;
}

.footer-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-5);
}

.footer-nav a {
  font-size: var(--fs-200);
  color: var(--color-text-on-dark);
  opacity: 0.8;
  transition: opacity var(--transition-base);
}

.footer-nav a:hover {
  opacity: 1;
  color: var(--color-accent);
}

.site-footer__bottom {
  padding-top: var(--space-5);
  border-top: 1px solid rgba(246, 242, 233, 0.12);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-3);
  font-size: var(--fs-100);
  opacity: 0.6;
}


/* === PAGES PROSE (mentions, CGU, 404) ======================= */

.page-header {
  padding-block: clamp(var(--space-8), 8vw, var(--space-9));
  background-color: var(--color-surface-raised);
  border-bottom: 1px solid var(--color-border);
}

.page-header__eyebrow {
  display: block;
  font-size: var(--fs-100);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary-hover);
  margin-bottom: var(--space-3);
}

.page-header__title {
  font-size: var(--fs-800);
}

.prose {
  max-width: var(--container-prose);
  margin-inline: auto;
  padding-block: clamp(var(--space-7), 6vw, var(--space-9));
}

.prose h2 {
  font-size: var(--fs-600);
  margin-top: var(--space-7);
  margin-bottom: var(--space-4);
}

.prose h2:first-child {
  margin-top: 0;
}

.prose h3 {
  font-size: var(--fs-500);
  margin-top: var(--space-5);
  margin-bottom: var(--space-3);
}

.prose p,
.prose ul,
.prose ol {
  margin-bottom: var(--space-4);
  color: var(--color-text-primary);
  line-height: 1.75;
}

.prose ul,
.prose ol {
  padding-left: var(--space-5);
}

.prose ul {
  list-style: disc;
}

.prose ol {
  list-style: decimal;
}

.prose li {
  margin-bottom: var(--space-2);
}

.prose a {
  color: var(--color-primary-hover);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.prose a:hover {
  text-decoration-thickness: 2px;
}

.prose strong {
  font-weight: 600;
}

.placeholder {
  display: inline-block;
  padding: 0 var(--space-2);
  background-color: var(--color-primary-light);
  border: 1px dashed var(--color-primary);
  border-radius: var(--radius-sm);
  font-weight: 600;
  color: var(--color-primary-hover);
}


/* === 404 ==================================================== */

.error-page {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-block: clamp(var(--space-9), 12vw, var(--space-10));
  min-height: 60vh;
}

.error-page__code {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 900;
  font-size: clamp(5rem, 18vw, 11rem);
  line-height: 1;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.error-page__title {
  font-size: var(--fs-700);
  margin-bottom: var(--space-4);
}

.error-page__text {
  font-size: var(--fs-400);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-7);
  max-width: 50ch;
}


/* === UTILITIES ============================================== */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

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