/**
 * KAB CORP — Main styles
 * Dark luxury corporate hub
 */

@import url("./tokens.css");

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

* {
  margin: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

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

body {
  min-height: 100svh;
  font-family: var(--font-sans);
  font-weight: var(--font-weight-regular);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--text-primary);
  background-color: var(--bg-page);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

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

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

button {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

:focus {
  outline: none;
}

:focus-visible {
  outline: var(--focus-ring-width) solid var(--focus-ring);
  outline-offset: var(--focus-ring-offset);
}

/* ——— Utilities ——— */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad-x);
}

.container--narrow {
  max-width: 40rem;
}

.skip-link {
  position: absolute;
  top: var(--space-2);
  left: var(--space-2);
  z-index: var(--z-skip);
  padding: var(--space-3) var(--space-4);
  background: var(--action);
  color: var(--action-text);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-md);
  transform: translateY(-160%);
  transition: transform var(--duration-fast) var(--ease-out);
}

.skip-link:focus {
  transform: translateY(0);
}

/* ——— Header ——— */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  height: var(--header-height);
  background: var(--bg-header);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: var(--border-width) solid transparent;
  transition: border-color var(--duration-fast) var(--ease-out);
}

.site-header.is-scrolled {
  border-bottom-color: var(--border-subtle);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: var(--space-6);
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
  color: var(--text-brand);
}

.brand-mark__logo {
  display: block;
  width: auto;
  height: 1.75rem;
}

.brand-mark--footer .brand-mark__logo {
  height: 4rem;
}

.lang-switch {
  order: 1;
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  margin-left: auto;
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  letter-spacing: var(--tracking-nav);
}

.lang-switch__btn {
  min-width: 2.25rem;
  min-height: 2.75rem;
  padding: 0 var(--space-1);
  color: var(--text-secondary);
  transition: color var(--duration-fast) var(--ease-out);
}

.lang-switch__btn:hover,
.lang-switch__btn:focus-visible {
  color: var(--text-brand);
}

.lang-switch__btn[aria-pressed="true"] {
  color: var(--action);
}

.lang-switch__sep {
  color: var(--text-secondary);
  opacity: 0.5;
}

.nav-toggle {
  order: 2;
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.75rem;
  height: 2.75rem;
  padding: var(--space-2);
  border-radius: var(--radius-md);
  z-index: calc(var(--z-nav-mobile) + 1);
}

.nav-toggle__bar {
  display: block;
  width: 100%;
  height: 1.5px;
  background: var(--text-brand);
  transition: transform var(--duration-fast) var(--ease-out),
    opacity var(--duration-fast) var(--ease-out);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

.nav-primary {
  position: fixed;
  inset: var(--header-height) 0 auto 0;
  z-index: var(--z-nav-mobile);
  background: var(--bg-surface);
  border-bottom: var(--border-width) solid var(--border-subtle);
  padding: var(--space-4) var(--container-pad-x) var(--space-6);
  transform: translateY(-120%);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: transform var(--duration-fast) var(--ease-out),
    opacity var(--duration-fast) var(--ease-out),
    visibility var(--duration-fast);
}

.nav-primary.is-open {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

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

.nav-primary__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  padding-block: var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  letter-spacing: var(--tracking-nav);
  text-transform: uppercase;
  color: var(--text-secondary);
  transition: color var(--duration-fast) var(--ease-out);
}

.nav-primary__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0.35rem;
  width: 100%;
  height: 1px;
  background: var(--action);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration-fast) var(--ease-out);
}

.nav-primary__link:hover,
.nav-primary__link:focus-visible,
.nav-primary__link[aria-current="page"] {
  color: var(--text-brand);
}

.nav-primary__link:hover::after,
.nav-primary__link:focus-visible::after,
.nav-primary__link[aria-current="page"]::after {
  transform: scaleX(1);
}

@media (min-width: 1024px) {
  .nav-toggle {
    display: none;
  }

  .lang-switch {
    margin-left: 0;
  }

  .nav-primary {
    margin-left: auto;
    position: static;
    inset: auto;
    background: transparent;
    border: none;
    padding: 0;
    transform: none;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .nav-primary__list {
    flex-direction: row;
    align-items: center;
    gap: var(--space-6);
  }

  .nav-primary__link {
    min-height: auto;
    padding-block: var(--space-1);
  }

  .nav-primary__link::after {
    bottom: -0.35rem;
  }
}

/* ——— Hero ——— */
.hero {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: var(--hero-min-height);
  max-height: 900px;
  overflow: hidden;
  isolation: isolate;
}

.hero__media {
  position: absolute;
  inset: 0;
  z-index: -2;
  background-color: var(--color-black-elevated);
  overflow: hidden;
}

.hero-mosaic {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-template-rows: repeat(6, 1fr);
  width: 100%;
  height: 100%;
  gap: 2px;
  background: rgba(197, 160, 89, 0.15);
}

@media (min-width: 768px) {
  .hero-mosaic {
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(3, 1fr);
  }
}

.hero-mosaic__cell {
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
  padding: var(--space-3) var(--space-4);
  min-height: 0;
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

.hero-mosaic__cell::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(10, 10, 10, 0.75) 0%,
    rgba(10, 10, 10, 0.25) 55%,
    rgba(10, 10, 10, 0.15) 100%
  );
  pointer-events: none;
}

.hero-mosaic__label {
  position: relative;
  z-index: 1;
  font-family: var(--font-sans);
  font-size: clamp(0.55rem, 1.2vw, 0.75rem);
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(245, 240, 230, 0.85);
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.6);
}

/* Mosaic cell themes (aligned with brand cards) */
.hero-mosaic__cell--kabsport,
.business-card--kabsport {
  background-image:
    linear-gradient(145deg, rgba(26, 42, 26, 0.55), rgba(10, 10, 10, 0.7)),
    url("https://images.unsplash.com/photo-1637666532931-b835a227b955?auto=format&fit=crop&w=1200&q=75");
}

.hero-mosaic__cell--kabconcierge,
.business-card--kabconcierge {
  background-image:
    linear-gradient(145deg, rgba(42, 36, 24, 0.55), rgba(10, 10, 10, 0.7)),
    url("https://images.unsplash.com/photo-1566073771259-6a8506099945?auto=format&fit=crop&w=800&q=70");
}

.hero-mosaic__cell--kabairways,
.business-card--kabairways {
  background-image:
    linear-gradient(145deg, rgba(20, 32, 48, 0.55), rgba(10, 10, 10, 0.7)),
    url("https://images.unsplash.com/photo-1436491865332-7a61a109cc05?auto=format&fit=crop&w=800&q=70");
}

.hero-mosaic__cell--comcheztoi,
.business-card--comcheztoi {
  background-image:
    linear-gradient(145deg, rgba(36, 28, 24, 0.55), rgba(10, 10, 10, 0.7)),
    url("https://images.unsplash.com/photo-1600210492486-724fe5c67fb0?auto=format&fit=crop&w=800&q=70");
}

.hero-mosaic__cell--africakonect,
.business-card--africakonect {
  background-image:
    linear-gradient(145deg, rgba(42, 28, 16, 0.55), rgba(10, 10, 10, 0.7)),
    url("https://images.unsplash.com/photo-1451187580459-43490279c0fa?auto=format&fit=crop&w=800&q=70");
}

.hero-mosaic__cell--helloafrica,
.business-card--helloafrica {
  background-image:
    linear-gradient(145deg, rgba(28, 36, 24, 0.55), rgba(10, 10, 10, 0.7)),
    url("https://images.unsplash.com/photo-1516026672322-bc52d61a55d5?auto=format&fit=crop&w=800&q=70");
}

.hero-mosaic__cell--amirblue,
.business-card--amirblue {
  background-image:
    linear-gradient(145deg, rgba(16, 28, 48, 0.55), rgba(10, 10, 10, 0.7)),
    url("https://images.unsplash.com/photo-1492684223066-81342ee5ff30?auto=format&fit=crop&w=800&q=70");
}

.hero-mosaic__cell--kabcafe,
.business-card--kabcafe {
  background-image:
    linear-gradient(145deg, rgba(40, 28, 20, 0.55), rgba(10, 10, 10, 0.7)),
    url("https://images.unsplash.com/photo-1495474472287-4d71bcdd2085?auto=format&fit=crop&w=800&q=70");
}

.hero-mosaic__cell--gigichips,
.business-card--gigichips {
  background-image:
    linear-gradient(145deg, rgba(40, 14, 8, 0.6), rgba(10, 10, 10, 0.78)),
    url("../assets/brands/gigichips.jpg");
  background-size: cover;
  background-position: center 30%;
}

.hero-mosaic__cell--frenchamoria,
.business-card--frenchamoria {
  background-image:
    linear-gradient(145deg, rgba(28, 20, 14, 0.55), rgba(10, 10, 10, 0.72)),
    url("../assets/brands/frenchamoria.jpg");
  background-size: cover;
  background-position: center;
}

.hero-mosaic__cell--kabsocial,
.business-card--kabsocial {
  background-image:
    linear-gradient(145deg, rgba(10, 10, 10, 0.5), rgba(10, 10, 10, 0.72)),
    url("../assets/brands/kabsocial.jpg");
  background-size: cover;
  background-position: center;
}

.hero__scrim {
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(
    to top,
    rgba(10, 10, 10, 0.94) 0%,
    rgba(10, 10, 10, 0.72) 40%,
    rgba(10, 10, 10, 0.45) 100%
  );
}

.hero__content {
  width: 100%;
  max-width: 40rem;
  margin-inline: auto;
  padding-block: var(--space-16) var(--space-12);
  text-align: center;
}

.hero__brand {
  font-family: var(--font-display);
  font-weight: var(--font-weight-bold);
  font-size: var(--text-hero);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-display);
  text-transform: uppercase;
  color: var(--text-brand);
  white-space: nowrap;
}

.hero__tagline {
  margin-top: var(--space-4);
  font-family: var(--font-display);
  font-weight: var(--font-weight-semibold);
  font-size: var(--text-tagline);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--text-primary);
}

.hero__lead {
  max-width: 34rem;
  margin-inline: auto;
  margin-top: var(--space-6);
  font-size: var(--text-lg);
  color: var(--text-secondary);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  margin-top: var(--space-8);
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  border-radius: var(--radius-md);
  transition: background-color var(--duration-fast) var(--ease-out),
    color var(--duration-fast) var(--ease-out),
    border-color var(--duration-fast) var(--ease-out),
    transform var(--duration-fast) var(--ease-out);
}

.btn--primary {
  background: var(--action);
  color: var(--action-text);
  border: var(--border-width) solid var(--action);
}

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

@media (prefers-reduced-motion: no-preference) {
  .btn--primary:hover,
  .btn--primary:focus-visible {
    transform: translateY(-2px);
  }

  .btn--primary:active {
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: no-preference) {
  .hero__brand,
  .hero__lead,
  .btn--primary {
    opacity: 0;
    transform: translateY(16px);
    animation: hero-reveal var(--duration-reveal) var(--ease-fluid) forwards;
  }

  .hero__brand {
    animation-delay: 80ms;
  }

  .hero__lead {
    animation-delay: calc(80ms + var(--stagger-step));
  }

  .btn--primary {
    animation-delay: calc(80ms + (2 * var(--stagger-step)));
  }

  .hero__media {
    animation: hero-media-settle 1.4s var(--ease-fluid) forwards;
  }

  .hero-mosaic {
    transform: scale(1.03);
    animation: hero-mosaic-settle 1.6s var(--ease-fluid) forwards;
  }
}

@keyframes hero-reveal {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes hero-media-settle {
  to {
    transform: scale(1);
  }
}

@keyframes hero-mosaic-settle {
  to {
    transform: scale(1);
  }
}

/* ——— Reveal on scroll ——— */
.reveal {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(20px);
    transition:
      opacity var(--duration-mid) var(--ease-fluid),
      transform var(--duration-mid) var(--ease-fluid);
  }

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

  .brand-grid .reveal {
    transition-delay: calc(var(--reveal-index, 0) * var(--stagger-step));
  }
}

/* ——— Sections ——— */
.section {
  padding-block: var(--section-padding-y);
}

.section--entreprises {
  background: var(--bg-page);
}

.section--about,
.section--news,
.section--contact {
  border-top: var(--border-width) solid var(--border-subtle);
}

.section__header {
  margin-bottom: var(--space-10);
  text-align: center;
}

.section__title {
  font-family: var(--font-display);
  font-weight: var(--font-weight-semibold);
  font-size: var(--text-3xl);
  line-height: var(--leading-snug);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--text-brand);
}

.section--about .section__title,
.section--news .section__title,
.section--contact .section__title {
  margin-bottom: var(--space-8);
}

.section__lead {
  margin-top: var(--space-4);
  color: var(--text-secondary);
}

.section--about p + p,
.section--news p + p,
.section--contact p + p {
  margin-top: var(--space-4);
}

.section--about p,
.section--news p,
.section--contact p {
  color: var(--text-secondary);
}

.contact-link {
  color: var(--text-brand);
  font-weight: var(--font-weight-medium);
  border-bottom: 1px solid transparent;
  transition: border-color var(--duration-fast) var(--ease-out),
    color var(--duration-fast) var(--ease-out);
}

.contact-link:hover,
.contact-link:focus-visible {
  color: var(--action-hover);
  border-bottom-color: var(--action-hover);
}

/* ——— Brand grid / Business cards ——— */
.brand-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--grid-gap);
}

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

@media (min-width: 1024px) {
  .brand-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.business-card {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: var(--card-min-height);
  padding: var(--space-6);
  border: var(--border-width) solid var(--border-strong);
  border-radius: var(--radius-card);
  background-color: var(--bg-surface);
  background-size: cover;
  background-position: center;
  overflow: hidden;
  isolation: isolate;
  transition: transform var(--duration-mid) var(--ease-fluid),
    border-color var(--duration-fast) var(--ease-out),
    box-shadow var(--duration-mid) var(--ease-fluid),
    background-color var(--duration-fast) var(--ease-out);
}

.business-card::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(
    to top,
    rgba(10, 10, 10, 0.92) 0%,
    rgba(10, 10, 10, 0.55) 50%,
    rgba(10, 10, 10, 0.35) 100%
  );
  pointer-events: none;
}

.business-card:hover,
.business-card:focus-visible {
  border-color: var(--border-hover);
  background-color: var(--bg-surface-hover);
  box-shadow: var(--shadow-card-hover);
}

@media (prefers-reduced-motion: no-preference) {
  .business-card:hover,
  .business-card:focus-visible {
    transform: translateY(-6px);
  }
}

.business-card__title {
  font-family: var(--font-display);
  font-weight: var(--font-weight-semibold);
  font-size: var(--text-xl);
  line-height: var(--leading-snug);
  letter-spacing: var(--tracking-card);
  text-transform: uppercase;
  color: var(--text-primary);
}

.business-card__desc {
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

/* Card backgrounds shared with mosaic via dual selectors above */

/* ——— Footer ——— */
.site-footer {
  background: var(--bg-surface);
  border-top: var(--border-width) solid var(--border-subtle);
  padding-block: var(--space-12) var(--space-8);
}

.site-footer__inner {
  display: grid;
  gap: var(--space-8);
  text-align: center;
  justify-items: center;
}

.site-footer__tagline {
  margin-top: var(--space-3);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  font-style: italic;
}

.site-footer__social-label {
  margin-bottom: var(--space-4);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-medium);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--text-secondary);
}

.social-list {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
}

.social-link {
  display: grid;
  place-items: center;
  width: 2.75rem;
  height: 2.75rem;
  color: var(--text-brand);
  border: var(--border-width) solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: color var(--duration-fast) var(--ease-out),
    border-color var(--duration-fast) var(--ease-out),
    background-color var(--duration-fast) var(--ease-out),
    transform var(--duration-fast) var(--ease-fluid);
}

.social-link:hover,
.social-link:focus-visible {
  color: var(--action-hover);
  border-color: var(--border-hover);
  background-color: rgba(212, 175, 55, 0.06);
}

@media (prefers-reduced-motion: no-preference) {
  .social-link:hover,
  .social-link:focus-visible {
    transform: translateY(-2px);
  }
}

.site-footer__copy {
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-nav);
  text-transform: uppercase;
  color: var(--text-secondary);
}

@media (min-width: 768px) {
  .site-footer__inner {
    grid-template-columns: 1fr 1fr;
    text-align: left;
    justify-items: stretch;
    align-items: start;
  }

  .site-footer__social {
    justify-self: end;
    text-align: right;
  }

  .social-list {
    justify-content: flex-end;
  }

  .site-footer__copy {
    grid-column: 1 / -1;
    text-align: center;
    padding-top: var(--space-4);
    border-top: var(--border-width) solid var(--border-subtle);
  }
}

/* ——— Body lock when mobile nav open ——— */
body.nav-open {
  overflow: hidden;
}