/* =========================================================
   Ozzy Turismo — Design System
   ========================================================= */
:root{
  --navy-900:#061528;
  --navy-800:#0b1f3a;
  --navy-700:#13294b;
  --navy-600:#1e3a66;
  --gold-500:#d4af37;
  --gold-400:#e9c66b;
  --white:#ffffff;
  --gray-50:#f6f8fb;
  --gray-100:#eef2f7;
  --gray-200:#dfe5ee;
  --gray-400:#9aa6b8;
  --gray-600:#5a6477;
  --gray-800:#2a3344;
  --shadow-sm:0 2px 6px rgba(11,31,58,.08);
  --shadow-md:0 10px 30px rgba(11,31,58,.12);
  --shadow-lg:0 20px 60px rgba(11,31,58,.22);
  --radius:14px;
  --radius-lg:22px;
  --container:1200px;
  --ease:cubic-bezier(.2,.7,.2,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Poppins',system-ui,sans-serif;
  color:var(--gray-800);
  background:var(--white);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}

h1,h2,h3,h4{font-family:'Playfair Display',serif;color:var(--navy-800);line-height:1.2}
h1{font-size:clamp(2.2rem,5vw,3.6rem);font-weight:700}
h2{font-size:clamp(1.8rem,3.4vw,2.6rem);font-weight:700;margin-bottom:.5rem}
h3{font-size:1.25rem;font-weight:600}
p{color:var(--gray-600)}

.container{max-width:var(--container);margin:0 auto;padding:0 1.25rem}
section{padding:5rem 0}

/* ---------- Loader ---------- */
.loader{
  position:fixed;inset:0;z-index:9999;
  background:linear-gradient(135deg,var(--navy-900),var(--navy-700));
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1.5rem;
  transition:opacity .6s var(--ease),visibility .6s var(--ease);
}
.loader.hidden{opacity:0;visibility:hidden}
.loader__spinner{
  width:64px;height:64px;border-radius:50%;
  border:4px solid rgba(255,255,255,.15);
  border-top-color:var(--gold-500);
  animation:spin 1s linear infinite;
}
.loader__brand{color:var(--white);font-family:'Playfair Display',serif;font-size:1.5rem;letter-spacing:.05em}
.loader__brand span{color:var(--gold-400)}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------- Header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(11,31,58,.95);backdrop-filter:blur(10px);
  transition:all .3s var(--ease);
}
.site-header.scrolled{box-shadow:var(--shadow-md)}
.header__inner{display:flex;align-items:center;justify-content:space-between;height:78px}

.brand{display:flex;align-items:center;gap:.6rem;color:var(--white)}
.brand__icon{color:var(--gold-500);font-size:1.5rem}
.brand__text{font-family:'Playfair Display',serif;font-size:1.35rem;letter-spacing:.03em}
.brand__text strong{color:var(--gold-500);font-weight:700;margin-left:.15rem}

.nav ul{display:flex;align-items:center;gap:.5rem}
.nav a{
  color:rgba(255,255,255,.85);padding:.6rem 1rem;border-radius:8px;
  font-weight:500;font-size:.95rem;transition:all .25s var(--ease);position:relative;
}
.nav a:hover{color:var(--white)}
.nav a.active{color:var(--gold-400)}
.nav a:not(.nav__cta)::after{
  content:"";position:absolute;left:1rem;right:1rem;bottom:.35rem;height:2px;
  background:var(--gold-500);transform:scaleX(0);transform-origin:left;
  transition:transform .3s var(--ease);
}
.nav a:hover:not(.nav__cta)::after,.nav a.active:not(.nav__cta)::after{transform:scaleX(1)}
.nav__cta{
  background:var(--gold-500)!important;color:var(--navy-900)!important;
  font-weight:600;margin-left:.5rem;
}
.nav__cta:hover{background:var(--gold-400)!important;transform:translateY(-2px)}

.nav-toggle{
  display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:.5rem;
}
.nav-toggle span{display:block;width:26px;height:2px;background:var(--white);transition:all .3s var(--ease)}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{
  min-height:100vh;padding:6rem 0 4rem;display:flex;align-items:center;
  position:relative;color:var(--white);overflow:hidden;
  background:linear-gradient(135deg,rgba(6,21,40,.85),rgba(19,41,75,.75)),
             url('../img/hero-bus.jpg') center/cover no-repeat;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(ellipse at bottom,rgba(212,175,55,.18),transparent 60%);
  pointer-events:none;
}
.hero__content{max-width:760px;position:relative;z-index:2}
.hero__eyebrow{
  display:inline-flex;align-items:center;gap:.5rem;
  background:rgba(212,175,55,.15);border:1px solid rgba(212,175,55,.4);
  padding:.4rem 1rem;border-radius:99px;color:var(--gold-400);
  font-size:.85rem;letter-spacing:.1em;text-transform:uppercase;margin-bottom:1.5rem;
}
.hero h1{color:var(--white);margin-bottom:1.2rem}
.hero h1 em{color:var(--gold-400);font-style:normal}
.hero p{color:rgba(255,255,255,.85);font-size:1.15rem;max-width:580px;margin-bottom:2rem}
.hero__actions{display:flex;gap:1rem;flex-wrap:wrap}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.5rem;
  padding:.95rem 1.8rem;border-radius:99px;font-weight:600;font-size:1rem;
  cursor:pointer;border:0;transition:all .3s var(--ease);font-family:inherit;
}
.btn--primary{background:var(--gold-500);color:var(--navy-900)}
.btn--primary:hover{background:var(--gold-400);transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.btn--ghost{background:transparent;color:var(--white);border:2px solid rgba(255,255,255,.4)}
.btn--ghost:hover{background:var(--white);color:var(--navy-800);border-color:var(--white)}
.btn--dark{background:var(--navy-800);color:var(--white)}
.btn--dark:hover{background:var(--navy-700);transform:translateY(-3px)}

/* ---------- Section header ---------- */
.section-head{text-align:center;max-width:680px;margin:0 auto 3rem}
.section-head__eyebrow{
  display:inline-block;color:var(--gold-500);font-weight:600;font-size:.85rem;
  letter-spacing:.2em;text-transform:uppercase;margin-bottom:.75rem;
}
.section-head h2{margin-bottom:.75rem}
.section-head p{font-size:1.05rem}

/* ---------- About ---------- */
.about{background:var(--gray-50)}
.about__grid{display:grid;grid-template-columns:1.1fr 1fr;gap:3rem;align-items:center}
.about__img{
  border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);
  position:relative;
}
.about__img img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.about__img:hover img{transform:scale(1.05)}
.about__text h2{margin-bottom:1rem}
.about__text p{margin-bottom:1rem}
.about__stats{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-top:2rem}
.stat{text-align:center;padding:1.2rem .8rem;background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.stat__num{font-family:'Playfair Display',serif;font-size:2rem;color:var(--navy-800);font-weight:700}
.stat__label{font-size:.85rem;color:var(--gray-600)}

/* ---------- Services ---------- */
.services__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem}
.service-card{
  background:var(--white);border-radius:var(--radius-lg);padding:2.2rem 1.8rem;
  border:1px solid var(--gray-100);transition:all .4s var(--ease);position:relative;overflow:hidden;
}
.service-card::before{
  content:"";position:absolute;left:0;top:0;height:4px;width:100%;
  background:linear-gradient(90deg,var(--gold-500),var(--gold-400));
  transform:scaleX(0);transform-origin:left;transition:transform .4s var(--ease);
}
.service-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);border-color:transparent}
.service-card:hover::before{transform:scaleX(1)}
.service-card__icon{
  width:64px;height:64px;border-radius:18px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--navy-800),var(--navy-600));color:var(--gold-400);
  font-size:1.6rem;margin-bottom:1.2rem;transition:transform .4s var(--ease);
}
.service-card:hover .service-card__icon{transform:rotate(-6deg) scale(1.05)}
.service-card h3{margin-bottom:.5rem}
.service-card p{font-size:.95rem}

/* ---------- Differentials ---------- */
.differentials{background:linear-gradient(135deg,var(--navy-900),var(--navy-700));color:var(--white)}
.differentials .section-head h2{color:var(--white)}
.differentials .section-head p{color:rgba(255,255,255,.75)}
.diff__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.2rem}
.diff-item{
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);
  border-radius:var(--radius);padding:1.8rem 1.4rem;text-align:center;transition:all .3s var(--ease);
}
.diff-item:hover{background:rgba(212,175,55,.08);border-color:rgba(212,175,55,.3);transform:translateY(-4px)}
.diff-item i{font-size:2rem;color:var(--gold-500);margin-bottom:.8rem;display:block}
.diff-item h4{font-family:'Poppins',sans-serif;font-size:1.05rem;color:var(--white);font-weight:600}

/* ---------- Gallery ---------- */
.gallery__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1rem}
.gallery__item{
  position:relative;overflow:hidden;border-radius:var(--radius);aspect-ratio:4/3;
  box-shadow:var(--shadow-sm);
}
.gallery__item img{width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease)}
.gallery__item::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 50%,rgba(6,21,40,.7));
  opacity:0;transition:opacity .35s var(--ease);
}
.gallery__item:hover img{transform:scale(1.08)}
.gallery__item:hover::after{opacity:1}

/* ---------- CTA ---------- */
.cta{
  background:linear-gradient(135deg,var(--gold-500),var(--gold-400));
  color:var(--navy-900);text-align:center;
}
.cta h2{color:var(--navy-900);margin-bottom:1rem}
.cta p{color:var(--navy-700);font-size:1.1rem;margin-bottom:2rem;max-width:600px;margin-left:auto;margin-right:auto}

/* ---------- Page header (interior) ---------- */
.page-hero{
  padding:9rem 0 4rem;color:var(--white);text-align:center;
  background:linear-gradient(135deg,rgba(6,21,40,.92),rgba(19,41,75,.88)),
             url('../img/hero-bus.jpg') center/cover no-repeat;
}
.page-hero h1{color:var(--white);margin-bottom:.5rem}
.page-hero p{color:rgba(255,255,255,.8)}

/* ---------- Contact form ---------- */
.contact__grid{display:grid;grid-template-columns:1.2fr 1fr;gap:3rem;align-items:start}
.form{background:var(--white);border-radius:var(--radius-lg);padding:2rem;box-shadow:var(--shadow-md)}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.form__field{margin-bottom:1.1rem}
.form__field label{display:block;margin-bottom:.4rem;font-weight:500;font-size:.92rem;color:var(--navy-800)}
.form__field input,.form__field textarea,.form__field select{
  width:100%;padding:.85rem 1rem;border:1.5px solid var(--gray-200);border-radius:10px;
  font-family:inherit;font-size:1rem;transition:all .25s var(--ease);background:var(--gray-50);
}
.form__field input:focus,.form__field textarea:focus,.form__field select:focus{
  outline:none;border-color:var(--gold-500);background:var(--white);
  box-shadow:0 0 0 4px rgba(212,175,55,.15);
}
.form__field textarea{min-height:140px;resize:vertical}
.form__error{color:#c43d3d;font-size:.85rem;margin-top:.3rem;display:none}
.form__field.error input,.form__field.error textarea{border-color:#c43d3d;background:#fff5f5}
.form__field.error .form__error{display:block}
.form__feedback{padding:1rem 1.2rem;border-radius:10px;margin-bottom:1rem;font-weight:500;display:none}
.form__feedback.success{display:block;background:#e8f7ee;color:#1e6e3a;border-left:4px solid #1e6e3a}
.form__feedback.error{display:block;background:#fdecec;color:#8d2727;border-left:4px solid #8d2727}

.contact-info{display:flex;flex-direction:column;gap:1rem}
.info-card{
  background:var(--white);border-radius:var(--radius);padding:1.4rem;display:flex;gap:1rem;align-items:flex-start;
  border:1px solid var(--gray-100);transition:all .3s var(--ease);
}
.info-card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px);border-color:transparent}
.info-card i{
  width:48px;height:48px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--navy-800),var(--navy-600));color:var(--gold-400);font-size:1.15rem;flex-shrink:0;
}
.info-card h4{font-family:'Poppins',sans-serif;font-size:1rem;margin-bottom:.2rem;color:var(--navy-800)}
.info-card p{font-size:.95rem;margin:0}

/* ---------- Footer ---------- */
.site-footer{background:var(--navy-900);color:rgba(255,255,255,.75);padding-top:4rem}
.footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1.2fr 1.2fr;gap:2.5rem;padding-bottom:3rem}
.brand--footer{margin-bottom:1rem}
.footer__col p{color:rgba(255,255,255,.65);font-size:.95rem}
.footer__col h4{color:var(--white);font-family:'Poppins',sans-serif;font-size:1rem;margin-bottom:1.2rem;font-weight:600;letter-spacing:.05em;text-transform:uppercase}
.footer__col h4::after{content:"";display:block;width:32px;height:2px;background:var(--gold-500);margin-top:.5rem}
.footer__links li,.footer__contact li{margin-bottom:.6rem;font-size:.93rem}
.footer__links a{color:rgba(255,255,255,.7);transition:color .2s var(--ease)}
.footer__links a:hover{color:var(--gold-400);padding-left:.3rem}
.footer__contact li{display:flex;gap:.6rem;align-items:flex-start}
.footer__contact i{color:var(--gold-500);margin-top:.25rem}
.footer__map{border-radius:var(--radius);overflow:hidden;height:160px;border:1px solid rgba(255,255,255,.08)}
.footer__map iframe{width:100%;height:100%;border:0;filter:grayscale(.4) contrast(1.1)}
.socials{display:flex;gap:.6rem;margin-top:1rem}
.socials a{
  width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.06);
  display:grid;place-items:center;color:var(--white);transition:all .3s var(--ease);
}
.socials a:hover{background:var(--gold-500);color:var(--navy-900);transform:translateY(-3px)}
.footer__bottom{border-top:1px solid rgba(255,255,255,.08);padding:1.2rem 0;text-align:center;font-size:.9rem}
.footer__bottom a{color:var(--gold-400);font-weight:600}
.footer__bottom a:hover{text-decoration:underline}

/* ---------- WhatsApp float ---------- */
.whatsapp-float{
  position:fixed;right:22px;bottom:22px;z-index:998;
  width:60px;height:60px;border-radius:50%;
  background:#25d366;color:var(--white);
  display:grid;place-items:center;font-size:1.8rem;
  box-shadow:0 8px 24px rgba(37,211,102,.45);
  transition:transform .3s var(--ease);
}
.whatsapp-float:hover{transform:scale(1.08)}
.whatsapp-float__pulse{
  position:absolute;inset:0;border-radius:50%;background:#25d366;
  z-index:-1;animation:pulse 2s ease-out infinite;
}
@keyframes pulse{
  0%{transform:scale(1);opacity:.55}
  100%{transform:scale(1.6);opacity:0}
}

/* ---------- Back to top ---------- */
.back-to-top{
  position:fixed;left:22px;bottom:22px;z-index:997;
  width:46px;height:46px;border-radius:50%;border:0;cursor:pointer;
  background:var(--navy-800);color:var(--white);font-size:1rem;
  box-shadow:var(--shadow-md);opacity:0;visibility:hidden;transform:translateY(10px);
  transition:all .3s var(--ease);
}
.back-to-top:hover{background:var(--gold-500);color:var(--navy-900)}
.back-to-top.show{opacity:1;visibility:visible;transform:translateY(0)}

/* ---------- Scroll Reveal ---------- */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:translateY(0)}

/* ---------- Responsive ---------- */
@media (max-width:960px){
  .about__grid,.contact__grid{grid-template-columns:1fr}
  .footer__grid{grid-template-columns:1fr 1fr}
}
@media (max-width:720px){
  section{padding:3.5rem 0}
  .nav-toggle{display:flex}
  .nav{
    position:fixed;top:78px;right:0;bottom:0;width:80%;max-width:320px;
    background:var(--navy-800);padding:1.5rem;
    transform:translateX(110%);transition:transform .35s var(--ease);
    box-shadow:var(--shadow-lg);
  }
  .nav.open{transform:translateX(0)}
  .nav ul{flex-direction:column;align-items:stretch;gap:.25rem}
  .nav a{display:block;padding:.9rem 1rem;border-radius:8px}
  .nav__cta{text-align:center;margin-left:0;margin-top:.5rem}
  .about__stats{grid-template-columns:1fr 1fr}
  .form__row{grid-template-columns:1fr}
  .footer__grid{grid-template-columns:1fr;gap:2rem}
  .hero{min-height:auto;padding-top:8rem}
}