/* ====== STYLE.CSS – Solvana Digital – Vision immersive ====== */

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

html {
  font-family: 'Inter', sans-serif;
  font-size: 16px;
  background-color: #000;
  color: #f5f5f5;
  scroll-behavior: smooth;
  height: 100%;
}

body {
  min-height: 100vh;
  background-color: #000;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  transition: background-color 0.4s ease;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.3s ease;
}

ul {
  list-style: none;
}

/* ========================= */
/* ==== HEADER / NAVBAR ==== */
/* ========================= */

.main-header {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid #1a1a1a;
}

.main-header .container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 20px 30px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}

.logo img {
  height: 50px;
  vertical-align: middle;
}

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 30px;
}

.main-nav li {
  position: relative;
}

.main-nav a {
  color: #f5f5f5;
  font-weight: 500;
  font-size: 1rem;
  padding: 8px 12px;
  transition: all 0.3s ease;
}

.main-nav a:hover,
.main-nav .contact-link:hover {
  color: #0b63ce;
}

/* Dropdown */
.dropdown-toggle {
  background: none;
  border: none;
  font-weight: 500;
  font-size: 1rem;
  color: #f5f5f5;
  cursor: pointer;
  padding: 8px 12px;
  transition: color 0.3s ease;
}

.dropdown-toggle:hover {
  color: #0b63ce;
}

.dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  background-color: #111;
  border: 1px solid #333;
  border-radius: 8px;
  min-width: 220px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
  z-index: 99;
  padding: 10px 0;
}

.dropdown.open .dropdown-menu {
  display: block;
}

.dropdown-menu li a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px;
  color: #ddd;
  font-size: 0.95rem;
  white-space: nowrap;
  transition: background 0.2s ease;
}

.dropdown-menu li a:hover {
  background-color: #0b63ce;
  color: #fff;
}

/* Icônes dans menu */
.menu-icon {
  width: 20px;
  height: 20px;
  object-fit: contain;
}

/* ========================= */
/* ==== INTRO SECTION ====== */
/* ========================= */

.intro.full-view {
  position: relative;
  width: 100%;
  height: 100vh;
  background: url('img/bg/intro-video-preview.jpg') center center / cover no-repeat;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  isolation: isolate;
  padding-top: 80px;
}

.intro-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, #000000aa, #000000f0);
  z-index: 1;
}

.intro-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 20px;
}

.big-title {
  font-size: 4.5rem;
  color: #ffffff;
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.tagline {
  font-size: 1.5rem;
  line-height: 1.6;
  color: #ccc;
  margin-bottom: 40px;
}

.scroll-down {
  display: inline-block;
  font-size: 1rem;
  color: #fff;
  border: 1px solid #0b63ce;
  padding: 12px 24px;
  border-radius: 30px;
  background: transparent;
  backdrop-filter: blur(5px);
  transition: all 0.3s ease;
}

.scroll-down:hover {
  background-color: #0b63ce;
  color: #fff;
}

/* ========================= */
/* ==== SECTION GENERAL ==== */
/* ========================= */

.section {
  padding: 100px 20px;
  text-align: center;
  background-color: #000;
}

.section h2 {
  font-size: 2.8rem;
  color: #ffffff;
  margin-bottom: 24px;
}

.section p {
  font-size: 1.2rem;
  color: #ccc;
  max-width: 800px;
  margin: 0 auto;
  line-height: 1.8;
}

/* ========================= */
/* ==== IMMERSIVE CARDS ==== */
/* ========================= */

.immersive-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 40px;
  padding: 100px 40px;
  background-color: #111;
}

.card {
  background-color: #151515;
  border: 1px solid #2a2a2a;
  border-left: 6px solid var(--accent);
  padding: 30px 24px;
  border-radius: 12px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: 0 10px 30px rgba(11, 99, 206, 0.2);
}

.card h3 {
  color: var(--accent);
  font-size: 1.4rem;
  margin-bottom: 10px;
}

.card p {
  color: #ccc;
  font-size: 1rem;
  line-height: 1.6;
}

/* ========================= */
/* ==== ETHICS PILLARS ===== */
/* ========================= */

.ethics-banner {
  background-color: #000;
  padding: 100px 20px;
  text-align: center;
}

.ethics-banner h2 {
  font-size: 2.5rem;
  color: #fff;
  margin-bottom: 40px;
}

.ethics-banner ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 25px;
  max-width: 900px;
  margin: 0 auto;
}

.ethics-banner li {
  font-size: 1.1rem;
  color: #bbb;
  display: flex;
  align-items: center;
  gap: 10px;
}

.ethics-banner .dot {
  width: 10px;
  height: 10px;
  background-color: #0b63ce;
  border-radius: 50%;
}

/* ========================= */
/* ==== CTA SECTION ======== */
/* ========================= */

.cta-section {
  padding: 100px 20px;
  background: linear-gradient(to bottom, #0b63ce, #0a53ad);
  color: #fff;
  text-align: center;
}

.cta-section h2 {
  font-size: 2.6rem;
  margin-bottom: 20px;
}

.cta-section .btn-contact {
  margin-top: 30px;
  display: inline-block;
  background-color: #fff;
  color: #0b63ce;
  padding: 12px 24px;
  border-radius: 30px;
  font-weight: 600;
  transition: all 0.3s ease;
}

.cta-section .btn-contact:hover {
  background-color: #0b63ce;
  color: #fff;
  border: 1px solid #fff;
}

/* ========================= */
/* ========= FOOTER ======== */
/* ========================= */

footer {
  background-color: #111;
  color: #888;
  padding: 40px 20px 20px;
  font-size: 0.9rem;
  text-align: center;
}

footer a {
  color: #aaa;
  transition: color 0.3s ease;
}

footer a:hover {
  color: #fff;
}

/* ========================= */
/* ====== RESPONSIVE ======= */
/* ========================= */

@media (max-width: 768px) {
  .big-title {
    font-size: 2.5rem;
  }

  .tagline {
    font-size: 1.1rem;
  }

  .section h2 {
    font-size: 2rem;
  }

  .immersive-cards {
    grid-template-columns: 1fr;
    padding: 60px 20px;
    gap: 20px;
  }

  .ethics-banner ul {
    flex-direction: column;
    gap: 15px;
  }

  .cta-section h2 {
    font-size: 2rem;
  }

  .cta-section .btn-contact {
    padding: 10px 20px;
    font-size: 0.95rem;
  }

  .main-nav ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .main-header .container {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ========================= */
/* ====== AOS DEFAULTS ===== */
/* ========================= */

[data-aos] {
  opacity: 0;
  filter: blur(10px);
  transition-property: transform, opacity, filter;
  transition-duration: 0.8s;
  transition-timing-function: ease;
}

[data-aos].aos-animate {
  opacity: 1;
  filter: blur(0);
}

/* ========================= */
/* ==== LOGO BLANC (SVG) === */
/* ========================= */

.logo-white {
  filter: brightness(0) invert(1);
}