/* ── RESET ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

:root {
  --black:  #080808;
  --white:  #ffffff;
  --off:    #101010;
  --border: rgba(255,255,255,0.08);
  --font:   'Montserrat', sans-serif;
}

body {
  background: var(--black);
  color: var(--white);
  font-family: var(--font);
  font-weight: 700;
  overflow-x: hidden;
}

/* ── HEADER ── */
header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 99;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.3rem 3.5rem;
  background: rgba(8,8,8,0.88);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-family: var(--font);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--white);
  text-decoration: none;
}

nav {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

nav a {
  color: var(--white);
  text-decoration: none;
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  opacity: 0.45;
  transition: opacity 0.2s;
}

nav a:hover { opacity: 1; }

nav a:last-child {
  opacity: 1;
  border: 1px solid rgba(255,255,255,0.25);
  padding: 0.45rem 1.2rem;
}

nav a:last-child:hover {
  background: var(--white);
  color: var(--black);
  border-color: var(--white);
}

/* ── HERO ── */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    -45deg,
    transparent,
    transparent 60px,
    rgba(255,255,255,0.012) 60px,
    rgba(255,255,255,0.012) 61px
  );
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 2rem;
}

.hero-logo {
  width: clamp(280px, 44vw, 600px);
  height: auto;
  display: block;
  animation: fadeDown 1.2s ease both;
}

.hero-sep {
  width: 1px;
  height: 44px;
  background: linear-gradient(to bottom, transparent, rgba(255,255,255,0.3), transparent);
  margin: 2rem auto;
  animation: fadeIn 1.2s ease 0.4s both;
}

.hero-sub {
  font-size: clamp(0.72rem, 1.4vw, 0.88rem);
  font-weight: 700;
  line-height: 1.9;
  opacity: 0.45;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  animation: fadeIn 1.2s ease 0.6s both;
}

.hero-cta {
  margin-top: 2.8rem;
  display: inline-block;
  background: var(--white);
  color: var(--black);
  padding: 0.9rem 2.8rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  text-decoration: none;
  transition: opacity 0.25s;
  animation: fadeIn 1.2s ease 0.8s both;
}

.hero-cta:hover { opacity: 0.8; }

.hero-scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.55rem;
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  opacity: 0.25;
}

.scroll-bar {
  width: 1px;
  height: 32px;
  background: linear-gradient(to bottom, var(--white), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

/* ── BANDE ── */
.bande {
  display: flex;
  overflow: hidden;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--off);
}

.bande-track {
  display: flex;
  animation: marquee 16s linear infinite;
  white-space: nowrap;
  flex-shrink: 0;
}

.bande span {
  display: inline-block;
  padding: 0.85rem 2.8rem;
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  opacity: 0.35;
  border-right: 1px solid var(--border);
  flex-shrink: 0;
}

/* ── SECTION HEAD ── */
.eyebrow {
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  opacity: 0.3;
  margin-bottom: 0.8rem;
}

.section-head { margin-bottom: 4rem; }

.section-head h2 {
  font-weight: 700;
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  letter-spacing: 0.04em;
  line-height: 1.15;
}

/* ── TARIFS ── */
.tarifs {
  padding: 7rem 3.5rem;
  border-bottom: 1px solid var(--border);
}

.tarif-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  margin-bottom: 1.5rem;
}

.tarif-card {
  background: var(--black);
  padding: 3rem 2.5rem;
  display: flex;
  flex-direction: column;
  transition: background 0.3s;
}

.tarif-card:hover { background: #0d0d0d; }

.tarif-featured {
  background: var(--black) !important;
  color: var(--white);
}

.tarif-num {
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.3em;
  opacity: 0.2;
  margin-bottom: 2rem;
}

.tarif-card h3 {
  font-weight: 700;
  font-size: 1.6rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.6rem;
}

.tarif-desc {
  font-size: 0.78rem;
  font-weight: 700;
  opacity: 0.5;
  line-height: 1.7;
  margin-bottom: 1.8rem;
}

.tarif-price {
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  opacity: 0.55;
  margin-bottom: 1.8rem;
  padding-bottom: 1.8rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.tarif-featured .tarif-price { border-bottom-color: rgba(255,255,255,0.08); }

.tarif-price strong {
  display: block;
  font-size: 2.6rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-top: 0.3rem;
  opacity: 1;
}

.tarif-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  flex: 1;
  margin-bottom: 2.5rem;
}

.tarif-card li {
  font-size: 0.8rem;
  font-weight: 700;
  padding-left: 1rem;
  position: relative;
  opacity: 0.65;
  line-height: 1.5;
}

.tarif-card li::before {
  content: '–';
  position: absolute;
  left: 0;
  opacity: 0.4;
}

.tarif-btn {
  display: inline-block;
  border: 1px solid rgba(255,255,255,0.2);
  color: var(--white);
  padding: 0.75rem 1.6rem;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  text-decoration: none;
  align-self: flex-start;
  transition: background 0.25s, color 0.25s, border-color 0.25s;
}

.tarif-btn:hover {
  background: var(--white);
  color: var(--black);
  border-color: var(--white);
}

.tarif-btn-inv {
  background: var(--white);
  color: var(--black);
  border-color: var(--white);
}

.tarif-btn-inv:hover {
  opacity: 0.85;
  background: var(--white);
  color: var(--black);
}

.tarif-note {
  font-size: 0.7rem;
  font-weight: 700;
  opacity: 0.28;
  font-style: italic;
}

/* ── GALERIE ── */
.galerie {
  padding: 7rem 3.5rem;
  border-bottom: 1px solid var(--border);
}

.galerie-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 4px;
}

.galerie-slot {
  background: #131313;
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 260px;
}

.galerie-slot.large {
  grid-row: span 2;
  min-height: 520px;
}

.galerie-col {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.galerie-col .galerie-slot { flex: 1; min-height: 258px; }

.galerie-slot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
  position: absolute;
  inset: 0;
}

.galerie-slot:hover img { transform: scale(1.04); }

.slot-placeholder {
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  opacity: 0.15;
}

.galerie-note {
  margin-top: 1.2rem;
  font-size: 0.7rem;
  font-weight: 700;
  opacity: 0.25;
}

.galerie-note code {
  background: rgba(255,255,255,0.06);
  padding: 0.1rem 0.4rem;
  font-size: 0.68rem;
}

/* ── CONTACT ── */
.contact {
  padding: 7rem 3.5rem;
  border-bottom: 1px solid var(--border);
}

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 7rem;
  align-items: start;
}

.contact-left h2 {
  font-weight: 700;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  line-height: 1.2;
  letter-spacing: 0.04em;
  margin-bottom: 3rem;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.contact-details a,
.contact-details div {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  text-decoration: none;
  color: var(--white);
  padding: 1.2rem 0;
  border-bottom: 1px solid var(--border);
  transition: opacity 0.2s;
}

.contact-details > *:first-child { border-top: 1px solid var(--border); }
.contact-details a:hover { opacity: 0.6; }

.detail-label {
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  opacity: 0.3;
}

.contact-details span:last-child {
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.03em;
}

/* FORM */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.4rem;
}

.field { display: flex; flex-direction: column; gap: 0.5rem; }

.field label {
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  opacity: 0.3;
}

.field input,
.field select,
.field textarea {
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border);
  color: var(--white);
  padding: 0.7rem 0;
  font-family: var(--font);
  font-size: 0.85rem;
  font-weight: 700;
  outline: none;
  transition: border-color 0.25s;
  -webkit-appearance: none;
  border-radius: 0;
}

.field input:focus,
.field select:focus,
.field textarea:focus { border-bottom-color: rgba(255,255,255,0.5); }

.field textarea { resize: none; min-height: 85px; }
.field select option { background: #111; }

#submit-btn {
  background: var(--white);
  color: var(--black);
  border: none;
  padding: 1rem 2.6rem;
  font-family: var(--font);
  font-weight: 600;
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  cursor: pointer;
  align-self: flex-start;
  transition: opacity 0.25s;
  margin-top: 0.5rem;
}

#submit-btn:hover { opacity: 0.78; }

/* ── FOOTER ── */
footer {
  padding: 2.2rem 3.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border);
}

.footer-logo {
  height: 30px;
  width: auto;
  opacity: 0.4;
}

.footer-right {
  display: flex;
  gap: 2rem;
}

.footer-right span {
  font-size: 0.65rem;
  font-weight: 700;
  opacity: 0.25;
  letter-spacing: 0.08em;
}

/* ── ANIMATIONS ── */
@keyframes fadeDown {
  from { opacity: 0; transform: translateY(-16px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes scrollPulse {
  0%, 100% { transform: scaleY(1); opacity: 0.3; }
  50%       { transform: scaleY(1.4); opacity: 0.7; }
}
@keyframes marquee {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ── MOBILE ── */
@media (max-width: 768px) {
  header { padding: 1rem 1.5rem; }
  nav a:not(:last-child) { display: none; }
  .hero-logo { width: clamp(220px, 78vw, 380px); }
  .tarifs, .galerie, .contact { padding: 5rem 1.5rem; }
  .tarif-grid { grid-template-columns: 1fr; }
  .galerie-grid { grid-template-columns: 1fr; }
  .galerie-slot.large { min-height: 260px; grid-row: span 1; }
  .galerie-col { flex-direction: row; }
  .contact-inner { grid-template-columns: 1fr; gap: 3rem; }
  .form-row { grid-template-columns: 1fr; }
  footer { flex-direction: column; gap: 0.8rem; text-align: center; padding: 2rem 1.5rem; }
  .footer-right { flex-direction: column; gap: 0.3rem; align-items: center; }
}