/* ============================================================
   COMPONENTS — Nav · Footer · Cards · Shared UI
   ============================================================ */

/* ── Navigation ── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-h);
  z-index: 1000;
  transition: background var(--dur-mid) var(--ease),
              box-shadow var(--dur-mid) var(--ease);
}

.nav.scrolled {
  background: rgba(247, 242, 235, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--cream-deep);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--s4);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--black);
  letter-spacing: -0.03em;
}

.nav__logo-dot {
  width: 8px;
  height: 8px;
  background: var(--rust);
  border-radius: 50%;
  flex-shrink: 0;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--s4);
}

.nav__link {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--grey-mid);
  transition: color var(--dur-fast);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--rust);
  transition: width var(--dur-mid) var(--ease);
}

.nav__link:hover,
.nav__link.active {
  color: var(--black);
}

.nav__link:hover::after,
.nav__link.active::after {
  width: 100%;
}

.nav__cta {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--white);
  background: var(--black);
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  transition: background var(--dur-fast), transform var(--dur-fast);
}

.nav__cta:hover {
  background: var(--rust);
  transform: translateY(-1px);
}

/* Menu burger mobile */
.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  cursor: pointer;
  padding: 4px;
}

.nav__burger span {
  display: block;
  height: 1.5px;
  background: var(--black);
  transition: all var(--dur-mid) var(--ease);
  transform-origin: left;
}

.nav__burger.open span:nth-child(1) { transform: rotate(38deg) translateY(-1px); }
.nav__burger.open span:nth-child(2) { opacity: 0; transform: translateX(-8px); }
.nav__burger.open span:nth-child(3) { transform: rotate(-38deg) translateY(1px); }

/* Menu mobile overlay */
.nav__mobile {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--cream);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--s4);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-mid) var(--ease);
}

.nav__mobile.open {
  opacity: 1;
  pointer-events: all;
}

.nav__mobile .nav__link {
  font-size: 1rem;
  font-weight: 700;
  color: var(--black);
}

/* ── Footer ── */
.footer {
  background: var(--black);
  color: var(--cream);
  padding: var(--s6) 0 var(--s4);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--s5);
  margin-bottom: var(--s5);
}

.footer__brand .nav__logo {
  color: var(--cream);
  margin-bottom: var(--s2);
}

.footer__brand p {
  font-size: 0.875rem;
  color: var(--grey-mid);
  max-width: 260px;
  line-height: 1.7;
}

.footer__col-title {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--grey-mid);
  margin-bottom: var(--s2);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__links a {
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: rgba(247,242,235,0.6);
  transition: color var(--dur-fast);
}

.footer__links a:hover { color: var(--rust-light); }

.footer__bottom {
  border-top: 1px solid rgba(247,242,235,0.08);
  padding-top: var(--s3);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer__copy {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  color: var(--grey-mid);
  letter-spacing: 0.05em;
}

.footer__rust {
  width: 32px;
  height: 2px;
  background: var(--rust);
}

/* ── Hero section ── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: flex-end;
  padding-bottom: var(--s6);
  position: relative;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background: var(--cream);
}

.hero__bg-line {
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background: var(--cream-dark);
  clip-path: polygon(8% 0, 100% 0, 100% 100%, 0% 100%);
}

.hero__number {
  position: absolute;
  top: var(--s6);
  right: var(--s4);
  font-family: var(--font-display);
  font-size: clamp(8rem, 18vw, 20rem);
  font-weight: 900;
  color: rgba(26,26,26,0.04);
  line-height: 1;
  letter-spacing: -0.05em;
  pointer-events: none;
  user-select: none;
}

.hero__content {
  position: relative;
  z-index: 2;
  width: 100%;
}

.hero__eyebrow {
  display: flex;
  align-items: center;
  gap: var(--s2);
  margin-bottom: var(--s3);
}

.hero__eyebrow-line {
  width: 48px;
  height: 1px;
  background: var(--rust);
}

.hero__title {
  margin-bottom: var(--s3);
}

.hero__title em {
  font-style: italic;
  color: var(--rust);
}

.hero__subtitle {
  max-width: 540px;
  font-size: 1.1rem;
  margin-bottom: var(--s4);
  color: var(--grey-mid);
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: var(--s3);
  flex-wrap: wrap;
}

.hero__scroll {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--grey-mid);
  margin-top: var(--s6);
}

.hero__scroll-line {
  width: 40px;
  height: 1px;
  background: var(--grey-light);
}

/* ── Section header ── */
.section-header {
  margin-bottom: var(--s5);
}

.section-header .label {
  margin-bottom: var(--s2);
}

.section-header h2 {
  margin-bottom: var(--s2);
}

.section-header p {
  max-width: 520px;
  font-size: 1.05rem;
}

/* ── Cards génériques ── */
.card {
  background: var(--white);
  border: 1px solid var(--cream-deep);
  border-radius: var(--radius-md);
  padding: var(--s4);
  transition: box-shadow var(--dur-mid) var(--ease),
              transform var(--dur-mid) var(--ease);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

/* ── Stat strip ── */
.stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat__num {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--black);
  line-height: 1;
}

.stat__num span {
  color: var(--rust);
  font-size: 1.5rem;
}

.stat__label {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--grey-mid);
}

/* ── Responsive ── */
@media (max-width: 1024px) {
  .footer__grid { grid-template-columns: 1fr 1fr; gap: var(--s4); }
}

@media (max-width: 768px) {
  .nav__links { display: none; }
  .nav__burger { display: flex; }
  .nav__mobile { display: flex; }
  .footer__grid { grid-template-columns: 1fr; gap: var(--s3); }
  .footer__bottom { flex-direction: column; gap: var(--s2); text-align: center; }
}