/* ==========
   Base
   ========== */
:root {
  --color-bg: #020617;          /* bleu nuit très foncé */
  --color-bg-alt: #02091f;
  --color-primary: #0ea5e9;     /* bleu turquoise */
  --color-primary-soft: rgba(14, 165, 233, 0.12);
  --color-text: #e5e7eb;        /* gris clair */
  --color-text-soft: #9ca3af;
  --color-border: #1f2937;
  --color-white: #ffffff;
  --radius-lg: 18px;
  --radius-md: 12px;
  --shadow-soft: 0 18px 45px rgba(15, 23, 42, 0.6);
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html,
body {
  height: 100%;
}

body {
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  background: radial-gradient(circle at top, #02091f 0, #020617 45%, #020617 100%);
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
}

/* ==========
   Layout helpers
   ========== */

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ==========
   Header
   ========== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(16px);
  background: linear-gradient(
      to bottom,
      rgba(2, 6, 23, 0.92),
      rgba(2, 6, 23, 0.88),
      transparent
  );
  border-bottom: 1px solid rgba(148, 163, 184, 0.2);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 0;
  gap: 1rem;
}
.header-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.header-phone {
  padding-inline: 1.1rem;
  font-size: 0.85rem;
  background: linear-gradient(135deg, #0ea5e9, #22d3ee);
  color: #020617;
  box-shadow: 0 12px 28px rgba(56, 189, 248, 0.25);
  white-space: nowrap;
}

.logo-block {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.logo-img {
  height: 40px;
  width: auto;
  display: block;
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-title {
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-white);
}

.logo-subtitle {
  font-size: 0.8rem;
  color: var(--color-text-soft);
}

.main-nav {
  display: flex;
  gap: 1.25rem;
  font-size: 0.9rem;
}

.main-nav a {
  color: var(--color-text-soft);
  text-decoration: none;
  padding: 0.35rem 0.1rem;
  border-radius: 999px;
  transition: color 0.18s ease, background-color 0.18s ease;
}

.main-nav a:hover {
  color: var(--color-white);
  background: rgba(15, 23, 42, 0.7);
}

/* ==========
   Hero
   ========== */

.hero {
  padding: 3.5rem 0 3rem;
  background: url('assets/hero.jpg') center/cover no-repeat;
  border-radius: 22px;
  margin-top: 1rem;
  position: relative;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(2,6,23,0.55), rgba(2,6,23,0.85));
  border-radius: inherit;
  pointer-events: none;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 2.75rem;
  align-items: center;
  position: relative;
  z-index: 2;

}

.hero-text h1 {
  font-size: clamp(2rem, 2.4vw + 1.5rem, 2.7rem);
  line-height: 1.15;
  margin-bottom: 1rem;
  color: var(--color-white);
}

.hero-text p {
  font-size: 0.98rem;
  color: var(--color-text-soft);
  max-width: 34rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.5rem 0 0.75rem;
}

.hero-info {
  font-size: 0.85rem;
  color: var(--color-primary);
}

/* ==========
   Buttons
   ========== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.75rem 1.3rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease, background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
  white-space: nowrap;
}

.btn:active {
  transform: translateY(1px) scale(0.99);
}

.primary-btn {
  background: linear-gradient(135deg, #0ea5e9, #22d3ee);
  color: #020617;
  box-shadow: 0 18px 38px rgba(56, 189, 248, 0.28);
}

.primary-btn:hover {
  box-shadow: 0 14px 26px rgba(56, 189, 248, 0.33);
}

.ghost-btn {
  background: transparent;
  border-color: rgba(148, 163, 184, 0.5);
  color: var(--color-text);
}

.ghost-btn:hover {
  border-color: var(--color-primary);
  background: rgba(15, 23, 42, 0.9);
}

.full-width {
  width: 100%;
}

/* ==========
   Hero Card / Form
   ========== */

.hero-card {
  background: radial-gradient(circle at top left, rgba(56, 189, 248, 0.1), rgba(15, 23, 42, 0.96));
  border-radius: 22px;
  padding: 1.75rem 1.7rem;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(148, 163, 184, 0.25);
  backdrop-filter: blur(18px);
}

.hero-card h2 {
  font-size: 1.15rem;
  margin-bottom: 0.25rem;
}

.hero-card-subtitle {
  font-size: 0.85rem;
  color: var(--color-text-soft);
  margin-bottom: 1.25rem;
}

.booking-form {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.form-row-inline {
  flex-direction: row;
  gap: 0.75rem;
}

.form-row-inline > div {
  flex: 1;
}

label {
  font-size: 0.8rem;
  color: var(--color-text-soft);
}

input,
textarea {
  background: rgba(15, 23, 42, 0.95);
  border-radius: 999px;
  border: 1px solid rgba(30, 64, 175, 0.7);
  padding: 0.6rem 0.85rem;
  font-size: 0.9rem;
  color: var(--color-text);
  outline: none;
  transition: border-color 0.14s ease, box-shadow 0.14s ease, background-color 0.14s ease;
  font-family: inherit;
}

textarea {
  border-radius: 0.95rem;
  resize: vertical;
  min-height: 80px;
}

input::placeholder,
textarea::placeholder {
  color: rgba(148, 163, 184, 0.65);
}

input:focus,
textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px rgba(56, 189, 248, 0.4);
  background: rgba(15, 23, 42, 1);
}

/* ==========
   Sections
   ========== */

.section {
  padding: 2.5rem 0;
}

.section-alt {
  background: radial-gradient(circle at top right, rgba(15, 23, 42, 0.85), #020617);
}

.section-title {
  font-size: 1.4rem;
  margin-bottom: 1.5rem;
  color: var(--color-white);
}

/* Cards services */

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}

.card {
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.9), rgba(15, 23, 42, 0.98));
  border-radius: var(--radius-lg);
  padding: 1.3rem 1.2rem;
  border: 1px solid rgba(30, 64, 175, 0.7);
  box-shadow: 0 14px 34px rgba(15, 23, 42, 0.7);
}

.card h3 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
  color: var(--color-white);
}

.card p {
  font-size: 0.9rem;
  color: var(--color-text-soft);
}

/* Contact */

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 2rem;
  align-items: flex-start;
}

.contact-layout p {
  font-size: 0.92rem;
  color: var(--color-text-soft);
}

.contact-box {
  background: rgba(15, 23, 42, 0.96);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.2rem;
  border: 1px solid rgba(30, 64, 175, 0.8);
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.9);
}

.contact-box h3 {
  font-size: 1rem;
  margin-bottom: 0.7rem;
}

.contact-box a {
  color: var(--color-primary);
  text-decoration: none;
}

.contact-box a:hover {
  text-decoration: underline;
}

.contact-note {
  margin-top: 0.75rem;
  font-size: 0.8rem;
  color: var(--color-text-soft);
}

/* ==========
   Footer
   ========== */

.site-footer {
  border-top: 1px solid rgba(30, 64, 175, 0.7);
  background: #020617;
  padding: 1.2rem 0 1.3rem;
  margin-top: 1.5rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  font-size: 0.8rem;
  color: var(--color-text-soft);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.footer-links a {
  color: var(--color-text-soft);
  text-decoration: none;
}

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

/* ==========
   Responsive
   ========== */

@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
  }

  .hero-card {
    order: -1;
  }

  .contact-layout {
    grid-template-columns: 1fr;
  }

  .cards-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .header-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

  .header-right {
    width: 100%;
    justify-content: space-between;
  }

  .main-nav {
    flex: 1;
    overflow-x: auto;
  }

  .hero {
    padding-top: 2.5rem;
  }

  .hero-card {
    padding: 1.4rem 1.2rem;
  }

  .cards-grid {
    grid-template-columns: 1fr;
  }

  .form-row-inline {
    flex-direction: column;
  }
}