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

body{
  background:#05060b;
  color:#ffffff;
  font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Montserrat,Arial,sans-serif;
  overflow-x:hidden;
}

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


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

.navbar{
  position:sticky;
  top:0;
  z-index:20;
  height:80px;
  padding:0 70px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  background:linear-gradient(90deg,#05060b 0%,#0c1021 45%,#05060b 100%);
  border-bottom:1px solid rgba(255,214,92,.18);
}

/* LOGO AREA */

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

/* SIGLE (taille normale) */
.brand-mark{
  height:46px;
  width:auto;
}

/* LOGO TEXTE "AEROZO" (BEAUCOUP PLUS GROS) */
.brand-logo{
  height:230px;
  width:auto;
}


/* MENU */

.nav-links{
  display:flex;
  align-items:center;
  gap:26px;
  font-size:.8rem;
  letter-spacing:.18em;
  text-transform:uppercase;
}

.nav-links a{
  color:#dddddd;
  transition:.25s;
}

.nav-links a:hover{
  color:#ffd65c;
}

.nav-links .active{
  color:#ffd65c;
  padding-bottom:3px;
  border-bottom:1px solid #ffd65c;
}


/* CALL TO ACTION */

.btn-cta{
  padding:7px 16px;
  border-radius:999px;
  border:1px solid #ffd65c;
  color:#ffd65c !important;
}

/* burger base (desktop: caché) */
.nav-toggle{
  display:none;
}

.nav-toggle-label{
  display:none;
}


/* ============ HERO ACCUEIL ============ */

.hero{
  display:grid;
  grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);
  gap:40px;
  padding:60px 90px;
  align-items:center;
}

.hero-left{
  max-width:520px;
}

.hero-kicker{
  color:#ffd65c;
  font-size:.75rem;
  letter-spacing:.28em;
  text-transform:uppercase;
}

.hero-title{
  margin-top:18px;
  font-size:2.6rem;
  font-weight:900;
  text-transform:uppercase;
}

.hero-subtitle{
  margin-top:10px;
  font-size:1.1rem;
  color:#f0f0f5;
}

.hero-text{
  margin-top:16px;
  color:#b0b4c4;
  line-height:1.6;
  font-size:.96rem;
}

.hero-actions{
  margin-top:24px;
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}


/* BOUTONS */

.btn-primary,
.btn-secondary{
  border-radius:999px;
  font-size:.8rem;
  letter-spacing:.18em;
  text-transform:uppercase;
  padding:11px 22px;
  display:inline-block;
}

.btn-primary{
  background:#ffd65c;
  color:#111;
  font-weight:700;
}

.btn-primary:hover{
  filter:brightness(1.08);
}

.btn-secondary{
  border:1px solid #32364a;
  color:#fff;
}

.btn-secondary:hover{
  border-color:#ffd65c;
}


/* IMAGE HERO */

.hero-right{
  border-radius:26px;
  overflow:hidden;
  box-shadow:0 32px 80px rgba(0,0,0,.9);
  max-height:420px;
}

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


/* ============ HIGHLIGHTS (HOME & PRODUIT) ============ */

.highlights{
  padding:20px 90px 60px;
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:22px;
}

.highlight{
  background:#0b0e19;
  border-radius:20px;
  border:1px solid #24273a;
  padding:18px 18px 20px;
  box-shadow:0 20px 50px rgba(0,0,0,.7);
}

.highlight h3{
  font-size:.9rem;
  letter-spacing:.22em;
  text-transform:uppercase;
  margin-bottom:8px;
}

.highlight p{
  font-size:.86rem;
  color:#a3a7b7;
  line-height:1.5;
}


/* ============ PAGE PRODUIT ============ */

.product{
  display:grid;
  grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);
  gap:40px;
  padding:60px 90px;
  align-items:center;
}

/* gros rectangle commun vélo + freinage */
.product-media{
  display:grid;
  grid-template-columns:2.3fr 1.4fr;
  gap:10px;
  border-radius:26px;
  overflow:hidden;
  box-shadow:0 30px 70px rgba(0,0,0,.85);
  background:#000;
}

/* on s'assure que les deux images utilisent tout l'espace */
.product-media img{
  width:100%;
  height:100%;
}

/* Vélo principal : plein cadre */
.media-main img{
  object-fit:cover;
}

/* Freinage : jamais rogné */
.media-brake img{
  object-fit:contain;
  padding:10px;
  background:#0b0e19;
}

.media-main{
  height:100%;
}

.media-brake{
  height:100%;
}

/* texte produit */

.product-text{
  max-width:520px;
}

.product-text h1{
  font-size:2.2rem;
  text-transform:uppercase;
  margin-bottom:10px;
}

.product-intro{
  color:#c0c3d0;
  margin-bottom:14px;
}

.product-specs{
  list-style:disc;
  padding-left:18px;
  margin-bottom:20px;
  color:#b0b4c4;
  font-size:.95rem;
}

.product-specs li{
  margin-bottom:5px;
}


/* ============ PAGE CONTACT ============ */

.contact{
  padding:60px 90px 70px;
  max-width:540px;
}

.contact h1{
  font-size:2rem;
  margin-bottom:10px;
  text-transform:uppercase;
}

.contact-text{
  color:#b0b4c4;
  margin-bottom:20px;
}

.contact-form{
  display:grid;
  gap:12px;
}

.contact-form label{
  display:flex;
  flex-direction:column;
  gap:4px;
  font-size:.88rem;
}

.contact-form input,
.contact-form select,
.contact-form textarea{
  border-radius:10px;
  border:1px solid #303447;
  background:#05060b;
  color:#fff;
  padding:8px 10px;
  font:inherit;
}

.contact-form textarea{
  resize:vertical;
}


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

footer{
  padding:20px 40px 30px;
  border-top:1px solid #151827;
  font-size:.78rem;
  color:#858aa0;
  display:flex;
  justify-content:space-between;
  gap:10px;
}


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

@media (max-width: 900px){

  /* header */
  .navbar{
    padding:0 16px;
    height:72px;
    position:sticky;
  }

  .brand-logo{
    height:140px;
  }

  /* burger visible */
  .nav-toggle-label{
    display:block;
    width:26px;
    height:20px;
    position:relative;
    cursor:pointer;
    margin-left:auto;
  }

  .nav-toggle-label span,
  .nav-toggle-label span::before,
  .nav-toggle-label span::after{
    position:absolute;
    left:0;
    right:0;
    height:2px;
    background:#f8f8f8;
    content:"";
  }

  .nav-toggle-label span{
    top:50%;
    transform:translateY(-50%);
  }

  .nav-toggle-label span::before{
    top:-7px;
  }

  .nav-toggle-label span::after{
    top:7px;
  }

  /* nav mobile caché au départ */
  .nav-links{
    position:absolute;
    top:72px;
    left:0;
    right:0;
    background:#05060b;
    flex-direction:column;
    align-items:flex-start;
    padding:12px 16px 18px;
    gap:16px;
    transform:translateY(-130%);
    opacity:0;
    pointer-events:none;
    transition:.25s ease;
    border-bottom:1px solid rgba(255,214,92,.12);
  }

  .nav-links .btn-cta{
    margin-top:4px;
  }

  /* quand burger ouvert */
  .nav-toggle:checked ~ .nav-links{
    transform:translateY(0);
    opacity:1;
    pointer-events:auto;
  }

  /* hero */
  .hero{
    grid-template-columns:1fr;
    padding:32px 20px 24px;
    gap:24px;
  }

  .hero-left{
    max-width:none;
    text-align:center;
  }

  .hero-title{
    font-size:2.1rem;
  }

  .hero-actions{
    flex-direction:column;
    align-items:stretch;
  }

  .hero-actions .btn-primary,
  .hero-actions .btn-secondary{
    width:100%;
    text-align:center;
  }

  .hero-right{
    max-height:none;
  }

  .hero-right img{
    border-radius:22px;
  }

  /* highlights */
  .highlights{
    padding:20px 20px 40px;
    grid-template-columns:1fr;
  }

  /* produit */
  .product{
    grid-template-columns:1fr;
    padding:40px 20px 50px;
  }

  .product-media{
    order:-1;
  }

  /* contact */
  .contact{
    padding:40px 20px 50px;
    max-width:none;
  }

  /* footer */
  footer{
    padding:16px 20px 24px;
    flex-direction:column;
    align-items:flex-start;
  }
}