/* =====================
   RESET & BASE
===================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  height: 100%;
  width: 100%;
  font-family: 'Montserrat', Arial, sans-serif;
  background: #020617;
  color: white;
  overflow-x: hidden;
}

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

a:focus,
a:active {
  outline: none;
}

/* =====================
   HEADER
===================== */
.header {
  position: relative;
  height: 60px;
  width: 100%;
  display: flex;
  align-items: center;
  padding: 0 30px;
  background: linear-gradient(to bottom, #020617, rgba(2,6,23,0.6));
  z-index: 1000;
}

.nav-left {
  margin-right: auto;
}

.home-logo {
  height: 26px;
  opacity: 0.85;
  cursor: pointer;
}

.home-logo:hover {
  opacity: 1;
}

.logo {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 1px;
  pointer-events: none;
}

.nav-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 18px;
}

.nav-right a {
  font-size: 0.9rem;
  font-weight: 600;
  opacity: 0.85;
  display: inline-flex;
  align-items: center;
}

.nav-right a:hover {
  opacity: 1;
}

.cart-dropdown {
  position: relative;
  margin-left: 0;
}

.cart-trigger {
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 600;
  opacity: 0.85;
  position: relative;
  display: inline-flex;
  align-items: center;
  line-height: 1;
}

.cart-trigger:hover {
  opacity: 1;
}

.cart-badge {
  position: absolute;
  top: -6px;
  right: -22px;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border-radius: 999px;
  background: #ef4444;
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  box-shadow: 0 6px 14px rgba(239,68,68,0.35);
}

/* =====================
   HERO FULL IMAGE
===================== */
main.hero-full {
  position: relative;
  width: 100vw;
  min-height: calc(100vh - 60px);
  background: url("assets/images/hero-fitness.jpg") center center / cover no-repeat;
  display: flex;
  align-items: center;
  justify-content: center;
}

main.hero-full::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(2, 6, 23, 0.45);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1100px;
  width: 100%;
  padding: 80px 40px;
  text-align: center;
  background: linear-gradient(180deg, rgba(2,6,23,0.55), rgba(2,6,23,0.35));
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 18px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.35);
}

.hero-text h2 {
  font-size: 2.8rem;
  line-height: 1.2;
  margin-bottom: 25px;
}

.hero-text p {
  max-width: 720px;
  margin: 0 auto;
  font-size: 1.1rem;
  opacity: 0.95;
}

.hero-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 40px;
  margin: 90px 0;
}

.hero-features h4 {
  font-size: 1.2rem;
  margin-bottom: 10px;
}

.hero-cta {
  margin-top: 30px;
}

/* =====================
   BOUTONS
===================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 36px;
  border-radius: 999px;
  background: linear-gradient(135deg, #22c55e, #16a34a);
  color: #020617;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.5px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition:
    transform 0.25s ease,
    box-shadow 0.25s ease,
    opacity 0.25s ease;
  box-shadow: 0 10px 25px rgba(34,197,94,0.35);
}

.btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 35px rgba(34,197,94,0.45);
  opacity: 0.95;
}

.btn:active {
  transform: translateY(0);
  box-shadow: 0 8px 18px rgba(34,197,94,0.35);
}

.btn:focus-visible {
  outline: 3px solid rgba(34,197,94,0.6);
  outline-offset: 4px;
}

/* =====================
   FOOTER
===================== */
footer {
  text-align: center;
  padding: 25px;
  font-size: 0.85rem;
  opacity: 0.7;
  background: #020617;
}

/* =====================
   INDEX SECTIONS
===================== */
.index-section {
  padding: 70px 30px;
  background: #020617;
}

.index-section.why {
  background:
    radial-gradient(520px 280px at 80% 15%, rgba(34,197,94,0.16), transparent 55%),
    radial-gradient(420px 220px at 10% 5%, rgba(59,130,246,0.12), transparent 55%),
    linear-gradient(180deg, rgba(2,6,23,0.95), rgba(2,6,23,1));
}

.index-section.alt {
  background: #020617;
}

.index-inner {
  max-width: 1000px;
  margin: 0 auto;
  text-align: center;
}

.index-inner h3 {
  font-size: 2rem;
  margin-bottom: 16px;
}

.index-inner p {
  opacity: 0.9;
}

.index-inner.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  text-align: left;
}

.index-inner .card {
  background: #020617;
  padding: 25px;
  border-radius: 14px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.25);
}

.index-inner .card h4 {
  margin-bottom: 8px;
}

@media (max-width: 900px) {
  .index-inner.cards {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

/* ================= FORMATIONS ================= */
.formations-page {
  padding: 80px 30px;
  position: relative;
  isolation: isolate;
}

.formations-page::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(600px 300px at 15% 10%, rgba(34,197,94,0.18), transparent 60%),
    radial-gradient(500px 260px at 85% 0%, rgba(56,189,248,0.12), transparent 55%),
    linear-gradient(180deg, rgba(2,6,23,0.9), rgba(2,6,23,1));
  z-index: -1;
}

.formations-hero {
  text-align: center;
  margin-bottom: 80px;
}

.formations-hero h1 {
  font-size: 2.6rem;
  margin-bottom: 20px;
}

.formations-hero p {
  max-width: 750px;
  margin: auto;
  opacity: 0.9;
}

.formations-wrapper {
  display: flex;
  justify-content: center;
  width: 100%;
}

.formations-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  max-width: 1200px;
  width: 100%;
}

.formation-card {
  background: #020617;
  padding: 35px;
  border-radius: 14px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.25);
  display: flex;
  flex-direction: column;
}

.formation-card h3 {
  font-size: 1.35rem;
  margin-bottom: 15px;
}

.formation-desc {
  margin-bottom: 20px;
  opacity: 0.9;
}

.formation-card ul {
  list-style: none;
  margin-bottom: 25px;
}

.formation-card li {
  margin-bottom: 8px;
  font-size: 0.95rem;
}

.formation-card.premium {
  border: 2px solid #22c55e;
  background: linear-gradient(
    to bottom,
    rgba(34,197,94,0.08),
    #020617
  );
}

.formation-card.premium h3 {
  color: #22c55e;
}

@media (max-width: 1000px) {
  .formations-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 650px) {
  .formations-list {
    grid-template-columns: 1fr;
  }
}

/* ================= CONTACT ================= */
.contact-page {
  padding: 80px 30px;
  position: relative;
  isolation: isolate;
}

.contact-page::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(520px 280px at 80% 15%, rgba(34,197,94,0.16), transparent 55%),
    radial-gradient(420px 220px at 10% 5%, rgba(59,130,246,0.12), transparent 55%),
    linear-gradient(180deg, rgba(2,6,23,0.9), rgba(2,6,23,1));
  z-index: -1;
}

.contact-hero {
  text-align: center;
  margin-bottom: 80px;
}

.contact-hero h1 {
  font-size: 2.6rem;
  margin-bottom: 20px;
}

.contact-hero p {
  max-width: 700px;
  margin: auto;
  opacity: 0.9;
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 60px;
  max-width: 1000px;
  margin: auto;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-form label {
  display: flex;
  flex-direction: column;
  font-size: 0.9rem;
  gap: 8px;
}

.contact-form input,
.contact-form textarea {
  padding: 12px;
  border-radius: 8px;
  border: none;
  background: #020617;
  color: white;
  font-family: inherit;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: rgba(255,255,255,0.5);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: 2px solid #22c55e;
}

.contact-info {
  background: #020617;
  padding: 30px;
  border-radius: 14px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.25);
}

.contact-info h3 {
  margin-bottom: 15px;
}

@media (max-width: 800px) {
  .contact-wrapper {
    grid-template-columns: 1fr;
  }
}

/* =====================
   PAGE FORMATION DETAIL
===================== */
.formation-detail {
  padding: 80px 30px;
  position: relative;
  isolation: isolate;
}

.formation-detail::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(620px 320px at 20% 10%, rgba(34,197,94,0.18), transparent 60%),
    radial-gradient(520px 260px at 85% 5%, rgba(125,211,252,0.12), transparent 55%),
    linear-gradient(180deg, rgba(2,6,23,0.9), rgba(2,6,23,1));
  z-index: -1;
}

.formation-hero {
  max-width: 900px;
  margin: auto;
  text-align: center;
  margin-bottom: 80px;
}

.formation-hero h1 {
  font-size: 2.6rem;
  margin-bottom: 20px;
}

.formation-hero p {
  font-size: 1.05rem;
  opacity: 0.9;
}

.formation-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 60px;
  max-width: 1100px;
  margin: auto;
}

.formation-info h2 {
  margin-bottom: 15px;
  margin-top: 30px;
}

.formation-info ul {
  list-style: none;
  margin-top: 15px;
}

.formation-info li {
  margin-bottom: 10px;
}

.price-box {
  background: #020617;
  padding: 30px;
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.25);
  text-align: center;
  position: sticky;
  top: 100px;
}

.price {
  font-size: 2.2rem;
  font-weight: 700;
  color: #22c55e;
  display: block;
  margin-bottom: 10px;
}

.price-box p {
  font-size: 0.9rem;
  opacity: 0.8;
  margin-bottom: 20px;
}

@media (max-width: 900px) {
  .formation-content {
    grid-template-columns: 1fr;
  }
  .price-box {
    position: static;
  }
}

/* Bouton retour */
.back-wrapper {
  position: absolute;
  top: 60px;
  left: 0;
  right: 0;
  height: 0;
  padding: 0 30px;
  pointer-events: none;
}

.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(34,197,94,0.18), rgba(34,197,94,0.05));
  border: 1px solid rgba(34,197,94,0.45);
  color: #22c55e;
  font-weight: 700;
  font-size: 0.9rem;
  box-shadow: 0 8px 22px rgba(0,0,0,0.25);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.back-btn:hover {
  transform: translateX(4px);
  opacity: 0.95;
}


/* ================= MINI PANIER ================= */
.cart-menu {
  position: absolute;
  right: 0;
  top: 140%;
  width: 280px;
  background: #020617;
  border-radius: 12px;
  padding: 15px;
  box-shadow: 0 15px 40px rgba(0,0,0,0.4);
  display: none;
  z-index: 2000;
  box-sizing: border-box;
}

.cart-menu.active {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

#cart-preview {
  list-style: none;
  margin: 0 0 10px;
  padding: 0;
}

#cart-preview li {
  font-size: 0.85rem;
  margin-bottom: 6px;
  display: flex;
  justify-content: space-between;
}

#cart-total {
  font-weight: 700;
  margin: 0;
}

.cart-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  margin: 0;
  padding: 12px 16px;
  box-sizing: border-box;
}

.cart-menu .cart-btn {
  margin-left: 0;
}

/* Croix */
.cart-close {
  position: absolute;
  top: 8px;
  right: 10px;
  background: transparent;
  border: none;
  color: #fff;
  font-size: 1.2rem;
  cursor: pointer;
  opacity: 0.8;
}

.cart-close:hover {
  opacity: 1;
}

/* ================= NOTIF PANIER ================= */
.cart-notice {
  position: fixed;
  top: 70px;
  left: 50%;
  width: min(900px, calc(100% - 40px));
  margin: 0;
  padding: 12px 16px;
  border-radius: 10px;
  background: linear-gradient(135deg, #22c55e, #16a34a);
  color: #020617;
  font-weight: 700;
  text-align: center;
  opacity: 0;
  transform: translate(-50%, -6px);
  transition: opacity 0.25s ease, transform 0.25s ease;
  pointer-events: none;
  z-index: 3000;
}

.cart-notice.show {
  opacity: 1;
  transform: translate(-50%, 0);
}

/* ================= PANIER PAGE ================= */
.cart-page {
  padding: 80px 30px;
  position: relative;
  isolation: isolate;
}

.cart-page::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(600px 300px at 15% 10%, rgba(34,197,94,0.18), transparent 60%),
    radial-gradient(520px 260px at 85% 0%, rgba(56,189,248,0.12), transparent 55%),
    linear-gradient(180deg, rgba(2,6,23,0.9), rgba(2,6,23,1));
  z-index: -1;
}

.cart-hero {
  text-align: center;
  margin-bottom: 60px;
}

.cart-hero h1 {
  font-size: 2.6rem;
  margin-bottom: 10px;
}

.cart-hero p {
  opacity: 0.9;
}

.cart-wrapper {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 50px;
  max-width: 1100px;
  margin: 0 auto;
}

.cart-list {
  background: #020617;
  padding: 25px;
  border-radius: 14px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.25);
}

#cart-items {
  list-style: none;
  padding: 0;
  margin: 0;
}

.cart-item {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 16px;
  align-items: center;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.cart-item:last-child {
  border-bottom: none;
}

.cart-item-name {
  font-weight: 600;
}

.cart-item-price {
  opacity: 0.9;
}

.cart-item-remove {
  background: transparent;
  border: none;
  color: #f87171;
  font-weight: 700;
  cursor: pointer;
}

.cart-empty {
  margin-top: 10px;
  opacity: 0.7;
  display: none;
}

.cart-empty.show {
  display: block;
}

.cart-summary .price-box {
  position: sticky;
  top: 100px;
}

.cart-summary h2 {
  margin-bottom: 12px;
}

#cart-page-total {
  font-weight: 700;
  margin: 10px 0 20px;
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: #22c55e;
  border: 2px solid #22c55e;
  margin-top: 10px;
  box-shadow: none;
}

@media (max-width: 900px) {
  .cart-wrapper {
    grid-template-columns: 1fr;
  }
  .cart-summary .price-box {
    position: static;
  }
}

/* ================= MERCI PAGE ================= */
.thanks-page {
  padding: 80px 30px;
  position: relative;
  isolation: isolate;
}

.thanks-page::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(520px 280px at 80% 15%, rgba(34,197,94,0.16), transparent 55%),
    radial-gradient(420px 220px at 10% 5%, rgba(59,130,246,0.12), transparent 55%),
    linear-gradient(180deg, rgba(2,6,23,0.95), rgba(2,6,23,1));
  z-index: -1;
}

.thanks-hero {
  text-align: center;
  margin-bottom: 40px;
}

.thanks-hero h1 {
  font-size: 2.6rem;
  margin-bottom: 10px;
}

.thanks-wrapper {
  max-width: 900px;
  margin: 0 auto;
}

.thanks-box {
  background: #020617;
  padding: 30px;
  border-radius: 14px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.25);
}

@media (max-width: 768px) {
  .header {
    position: relative !important;
    display: block !important;
    height: auto !important;
    padding: 12px 16px 10px !important;
    text-align: center !important;
  }

  .nav-left {
    position: absolute !important;
    left: 16px !important;
    top: 14px !important;
    margin: 0 !important;
  }

  .home-logo {
    height: 22px !important;
    display: block !important;
  }

  .logo {
    position: static !important;
    transform: none !important;
    margin: 0 0 8px 0 !important;
    font-size: 1.2rem !important;
    line-height: 1.1 !important;
  }

  .nav-right {
    width: 100% !important;
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
    gap: 16px !important;
    margin: 0 !important;
  }

  .nav-right a,
  .cart-trigger {
    display: inline-flex !important;
    align-items: center !important;
    line-height: 1 !important;
  }
}

.back-btn {
  display: inline-flex !important;
  align-items: center !important;
  gap: 8px !important;
  padding: 10px 16px !important;
  border-radius: 999px !important;
  background: linear-gradient(135deg, rgba(34,197,94,0.18), rgba(34,197,94,0.05)) !important;
  border: 1px solid rgba(34,197,94,0.45) !important;
  color: #22c55e !important;
  font-weight: 700 !important;
  font-size: 0.9rem !important;
  box-shadow: 0 8px 22px rgba(0,0,0,0.25) !important;
  transition: transform 0.2s ease, opacity 0.2s ease !important;
}

.back-btn:hover {
  transform: translateX(4px) !important;
  opacity: 0.95 !important;
}

#checkout-btn {
  margin-top: 18px;
}
.cart-summary input:last-of-type {
  margin-bottom: 16px !important;
}
.login-icon {
  margin-left: 12px;
  display: inline-flex;
  align-items: center;
}

.login-icon img {
  height: 24px;
  opacity: 0.9;
}

.login-icon img:hover {
  opacity: 1;
}
.nav-left {
  display: flex;
  align-items: center;
  gap: 12px;
}
.login-icon {
  margin-left: 8px;
}

@media (max-width: 768px) {
  .nav-left {
    padding-top: 3px;
  }

  .home-logo,
  .login-icon img {
    transform: translateY(6px);
  }
}
@media (max-width: 768px) {
  .header {
    position: relative !important;
    height: auto !important;
    padding: 12px 16px 10px !important;
    text-align: center !important;
  }

  /* Icônes à gauche */
  .nav-left {
    position: absolute !important;
    left: 16px !important;
    top: 14px !important;
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
  }

  .home-logo,
  .login-icon img {
    height: 22px !important;
    display: block !important;
  }

  /* Titre centré */
  .logo {
    position: static !important;
    transform: none !important;
    margin: 0 0 8px 0 !important;
    line-height: 1.1 !important;
  }

  /* 3 liens parfaitement centrés */
  .nav-right {
    width: 100% !important;
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
    gap: 16px !important;
  }

  .nav-right a,
  .cart-trigger {
    display: inline-flex !important;
    align-items: center !important;
    line-height: 1 !important;
  }
}

@media (max-width: 768px) {
  .nav-left {
    position: absolute !important;
    left: 16px !important;
    top: 14px !important;
    display: block !important;
  }

  .login-icon {
    position: absolute !important;
    right: 16px !important;
    top: 14px !important;
    margin: 0 !important;
  }
}