/* ============================================================
   RADIO AS-SALAM — Style principal
   ============================================================ */

:root {
  --marine: #0c244c;
  --marine-clair: #143a73;
  --marine-fonce: #071a38;
  --or: #c9a227;
  --or-clair: #e3c45a;
  --blanc: #ffffff;
  --gris-clair: #f4f6f9;
  --gris: #e2e7ee;
  --texte: #16243a;
  --texte-doux: #4a5670;
  --ombre: rgba(12, 36, 76, 0.12);
  --ombre-forte: rgba(12, 36, 76, 0.24);
  --radius: 14px;
  --radius-sm: 8px;
  --transition: 0.3s ease;
  --max-width: 1200px;
  --font: "Segoe UI", "Helvetica Neue", system-ui, -apple-system, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font);
  color: var(--texte);
  background: var(--blanc);
  line-height: 1.6;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  display: block;
}

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

ul {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

.i {
  width: 1.15em;
  height: 1.15em;
  fill: currentColor;
  display: inline-block;
  vertical-align: -0.18em;
  flex-shrink: 0;
}

h1, h2, h3, h4, h5 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--marine);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); }
h3 { font-size: 1.3rem; }

p { color: var(--texte-doux); }

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 70px 0;
}

.section-title {
  text-align: center;
  margin-bottom: 12px;
}

.section-title .accent {
  color: var(--or);
}

.section-subtitle {
  text-align: center;
  max-width: 620px;
  margin: 0 auto 45px;
  color: var(--texte-doux);
}

.geo-divider {
  height: 6px;
  background: repeating-linear-gradient(90deg, var(--or) 0 14px, transparent 14px 28px);
  opacity: 0.6;
  width: 80px;
  margin: 14px auto 0;
  border-radius: 4px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 13px 26px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--marine);
  color: var(--blanc);
}

.btn-primary:hover {
  background: var(--marine-clair);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px var(--ombre-forte);
}

.btn-gold {
  background: var(--or);
  color: var(--marine-fonce);
}

.btn-gold:hover {
  background: var(--or-clair);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(201, 162, 39, 0.35);
}

.btn-outline {
  border-color: var(--marine);
  color: var(--marine);
  background: transparent;
}

.btn-outline:hover {
  background: var(--marine);
  color: var(--blanc);
}

.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: linear-gradient(160deg, rgba(12, 36, 76, 0.96), rgba(7, 21, 45, 0.98));
  box-shadow: 0 2px 18px rgba(0, 0, 0, 0.2);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--blanc);
  font-weight: 700;
  font-size: 1.15rem;
}

.logo img {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 2px solid var(--or);
  object-fit: contain;
  background: var(--blanc);
}

.logo .logo-text small {
  display: block;
  font-size: 0.7rem;
  font-weight: 400;
  color: var(--or-clair);
  letter-spacing: 1px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav a {
  color: var(--blanc);
  padding: 7px 10px;
  border-radius: 8px;
  font-size: 0.88rem;
  font-weight: 500;
  transition: var(--transition);
}

.nav a:hover,
.nav a.active {
  background: rgba(255, 255, 255, 0.12);
  color: var(--or-clair);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}

.hamburger span {
  width: 26px;
  height: 3px;
  background: var(--blanc);
  border-radius: 3px;
  transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
.hamburger.active span:nth-child(2) {
  opacity: 0;
}
.hamburger.active span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.mobile-menu {
  position: fixed;
  inset: 0;
  background: var(--marine-fonce);
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transform: translateY(-100%);
  transition: transform 0.4s ease;
}

.mobile-menu.open {
  transform: translateY(0);
}

.mobile-menu a {
  color: var(--blanc);
  font-size: 1.4rem;
  padding: 12px 24px;
  font-weight: 600;
}

.mobile-menu a:hover {
  color: var(--or);
}

.hero {
  position: relative;
  background:
    linear-gradient(160deg, rgba(12, 36, 76, 0.7), rgba(7, 21, 45, 0.8)),
    url("https://netafrique.net/wp-content/uploads/2019/09/dioulasso.jpg") center / cover no-repeat;
  color: var(--blanc);
  padding: 90px 0 110px;
  overflow: hidden;
  text-align: center;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero h1 {
  color: var(--blanc);
  margin-bottom: 6px;
  letter-spacing: 1px;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.6);
}

.hero .freq {
  color: var(--or-clair);
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: 2px;
  margin-bottom: 18px;
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.5);
}

.hero p.lead {
  color: rgba(255, 255, 255, 0.92);
  font-size: 1.2rem;
  max-width: 560px;
  margin: 0 auto 32px;
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.5);
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.grid {
  display: grid;
  gap: 24px;
}

.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: var(--blanc);
  border: 1px solid var(--gris);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 36px var(--ombre);
  border-color: var(--or);
}

.card-img {
  aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, var(--marine-clair), var(--marine));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--or-clair);
  overflow: hidden;
}

.card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-body {
  padding: 20px;
}

.card h3 {
  margin-bottom: 8px;
  font-size: 1.15rem;
}

.card p {
  font-size: 0.92rem;
  margin-bottom: 14px;
}

.page-header {
  background: linear-gradient(160deg, var(--marine), var(--marine-fonce));
  color: var(--blanc);
  text-align: center;
  padding: 60px 0 50px;
  border-bottom: 3px solid var(--or);
}

.page-header h1 { color: var(--blanc); }
.page-header p {
  color: rgba(255, 255, 255, 0.84);
  max-width: 600px;
  margin: 10px auto 0;
}

.about-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  margin-bottom: 50px;
}

.about-block:nth-child(even) .about-text { order: 2; }

.about-text h2 { margin-bottom: 14px; }
.about-text p { margin-bottom: 12px; }

.about-visual {
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--marine-clair), var(--marine));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--or-clair);
  padding: 18px;
  box-shadow: 0 14px 34px rgba(12, 36, 76, 0.18);
  overflow: hidden;
}

.about-visual img {
  width: 100%;
  height: auto;
  max-width: 520px;
  max-height: 520px;
  object-fit: contain;
  object-position: center;
  border-radius: var(--radius);
  display: block;
  box-shadow: 0 8px 22px rgba(0,0,0,0.25);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 44px;
}

.contact-info .info-item {
  display: flex;
  gap: 14px;
  margin-bottom: 22px;
  align-items: flex-start;
}

.contact-info .info-item .ic {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: var(--marine);
  color: var(--blanc);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.contact-info .info-item .ic .i { width: 22px; height: 22px; }

.contact-info .info-item h4 { color: var(--marine); margin-bottom: 2px; }
.contact-info .info-item p { font-size: 0.92rem; }

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--marine);
  font-size: 0.9rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 13px 16px;
  border: 1px solid var(--gris);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.95rem;
  transition: var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--marine);
  box-shadow: 0 0 0 3px rgba(12, 36, 76, 0.12);
}

.form-group textarea { resize: vertical; min-height: 130px; }

.form-message {
  margin-top: 14px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  display: none;
}

.form-message.ok {
  display: block;
  background: #e6f0ea;
  color: #0c5436;
  border: 1px solid #14764b;
}

.form-message.err {
  display: block;
  background: #fdeaea;
  color: #b02a37;
  border: 1px solid #e88;
}

.map-wrapper {
  width: 100vw;
  margin-left: 50%;
  transform: translateX(-50%);
}

.map-frame {
  height: 450px;
  margin: 0 20px;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 14px 40px var(--ombre);
}

.map-frame iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.footer {
  background: var(--marine-fonce);
  color: rgba(255, 255, 255, 0.8);
  padding: 56px 0 22px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 36px;
  margin-bottom: 36px;
}

.footer .logo { margin-bottom: 14px; }

.footer h4 {
  color: var(--blanc);
  margin-bottom: 16px;
  font-size: 1rem;
}

.footer ul li {
  margin-bottom: 9px;
}

.footer ul li a {
  color: rgba(255, 255, 255, 0.75);
  transition: var(--transition);
  font-size: 0.92rem;
}

.footer ul li a:hover { color: var(--or-clair); padding-left: 4px; }

.footer-socials {
  display: flex;
  gap: 10px;
  margin-top: 14px;
}

.footer-socials a {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--or-clair);
  transition: var(--transition);
}

.footer-socials a .i { width: 19px; height: 19px; }

.footer-socials a:hover { background: var(--or); color: var(--marine-fonce); }

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 18px;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.mt-20 { margin-top: 20px; }
.text-center { text-align: center; }
.hidden { display: none !important; }
.no-results {
  text-align: center;
  padding: 40px;
  color: var(--texte-doux);
  font-size: 1.05rem;
}