/* ============================================
   Galileo Travel — Landing Page & Booking Form
   ============================================ */

/* --- Reset & Base --- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --primary:#1B2A4A;
  --primary-light:#2d4a7a;
  --accent:#2E86AB;
  --accent-hover:#236B8E;
  --bg:#FFFFFF;
  --surface:#F5F7FA;
  --text:#1A1A2E;
  --text-sec:#6B7280;
  --success:#059669;
  --success-bg:#ecfdf5;
  --error:#DC2626;
  --error-bg:#fef2f2;
  --border:#E5E7EB;
  --border-focus:rgba(46,134,171,.35);
  --radius:8px;
  --shadow:0 2px 12px rgba(0,0,0,.06);
  --shadow-lg:0 8px 30px rgba(0,0,0,.1);
}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;font-size:1rem;line-height:1.6;color:var(--text);background:var(--bg)}
img,svg{display:block;max-width:100%}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}

/* --- Typography --- */
h1{font-size:2.5rem;font-weight:700;line-height:1.15}
h2{font-size:1.75rem;font-weight:700;line-height:1.2}
h3{font-size:1.15rem;font-weight:600;line-height:1.3}

/* --- Layout --- */
.container{max-width:1140px;margin:0 auto;padding:0 24px}
.section{padding:80px 0}
.section--alt{background:var(--surface)}
.section__title{text-align:center;color:var(--primary);margin-bottom:40px;position:relative}

/* --- Buttons --- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 24px;border-radius:var(--radius);font-weight:600;font-size:.9375rem;border:none;cursor:pointer;font-family:inherit;text-decoration:none;transition:background .2s,transform .15s,box-shadow .2s}
.btn:hover{text-decoration:none}
.btn--accent{background:var(--accent);color:#fff}
.btn--accent:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:0 4px 12px rgba(46,134,171,.3)}
.btn--outline{background:transparent;border:1.5px solid var(--border);color:var(--text)}
.btn--outline:hover{border-color:var(--accent);color:var(--accent)}
.btn--lg{padding:14px 32px;font-size:1rem}
.btn--full{width:100%}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}
.btn__spinner{display:inline-block;width:18px;height:18px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .6s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* --- Header --- */
.header{background:var(--bg);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100;transition:box-shadow .25s}
.header--scrolled{box-shadow:0 2px 16px rgba(0,0,0,.06)}
.header__inner{display:flex;align-items:center;justify-content:space-between;height:60px}
.header__logo{display:flex;align-items:center;gap:10px;font-size:1.125rem;font-weight:700;color:var(--primary);text-decoration:none}
.header__logo-icon{color:var(--accent)}
.header__nav{display:flex;align-items:center;gap:24px}
.header__link{color:var(--text-sec);font-size:.875rem;font-weight:500;text-decoration:none;transition:color .15s}
.header__link:hover{color:var(--accent);text-decoration:none}
.header__phone{color:var(--primary);font-weight:600;font-size:.875rem;text-decoration:none;background:var(--surface);padding:6px 14px;border-radius:var(--radius)}
.header__burger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:4px}
.header__burger span{display:block;width:22px;height:2px;background:var(--primary);border-radius:2px;transition:transform .2s,opacity .2s}

/* --- Hero --- */
.hero{position:relative;padding:100px 0 80px;overflow:hidden;background:var(--primary);color:#fff;text-align:center}
.hero__bg{position:absolute;inset:0;background:linear-gradient(135deg,var(--primary) 0%,var(--primary-light) 50%,#1a3a6a 100%);opacity:1}
.hero__bg::after{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 30% 50%,rgba(46,134,171,.15) 0%,transparent 70%)}
.hero__content{position:relative;z-index:1}
.hero h1{margin-bottom:16px;text-shadow:0 2px 8px rgba(0,0,0,.15)}
.hero__sub{font-size:1.125rem;opacity:.8;margin-bottom:32px;font-weight:400}
.hero__cta{box-shadow:0 4px 20px rgba(46,134,171,.4)}

/* --- Booking Card --- */
.booking-card{background:var(--bg);border-radius:12px;padding:36px;box-shadow:var(--shadow-lg);max-width:680px;margin:0 auto;position:relative}

/* --- Form Fields --- */
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-field{margin-bottom:16px}
.form-field label{display:block;font-size:.8125rem;font-weight:600;color:var(--text);margin-bottom:5px;letter-spacing:.01em}
.label-opt{font-weight:400;color:var(--text-sec)}

.form-field input[type="text"],
.form-field input[type="email"],
.form-field input[type="tel"],
.form-field input[type="date"],
.form-field input[type="number"],
.form-field select,
.form-field textarea{
  width:100%;padding:10px 14px;border:1.5px solid var(--border);border-radius:var(--radius);font-size:.9375rem;font-family:inherit;color:var(--text);background:var(--bg);transition:border-color .2s,box-shadow .2s;appearance:none;-webkit-appearance:none
}
.form-field select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236B7280' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:36px}
.form-field textarea{resize:vertical;min-height:60px}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--border-focus)}
.form-field input.is-invalid,.form-field select.is-invalid{border-color:var(--error)}
.form-field input.is-invalid:focus,.form-field select.is-invalid:focus{box-shadow:0 0 0 3px rgba(220,38,38,.15)}
.form-error{display:block;font-size:.75rem;color:var(--error);margin-top:3px;min-height:0;max-height:0;overflow:hidden;opacity:0;transition:max-height .2s,opacity .2s,margin .2s}
.form-error.visible{max-height:40px;opacity:1;margin-top:5px}
.form-global-error{margin-top:12px;padding:10px 14px;background:var(--error-bg);color:var(--error);border-radius:var(--radius);font-size:.875rem}
.form-divider{font-size:.8125rem;font-weight:600;color:var(--text-sec);text-transform:uppercase;letter-spacing:.06em;margin:24px 0 16px;padding-bottom:8px;border-bottom:1px solid var(--border)}

/* --- Trip Toggle --- */
.trip-toggle{display:inline-flex;background:var(--surface);border-radius:var(--radius);padding:3px;gap:2px;margin-bottom:8px}
.trip-toggle__opt{padding:8px 20px;border-radius:6px;font-size:.875rem;font-weight:500;color:var(--text-sec);cursor:pointer;transition:all .2s;user-select:none}
.trip-toggle__opt input{position:absolute;opacity:0;pointer-events:none}
.trip-toggle__opt.active{background:var(--bg);color:var(--primary);box-shadow:0 1px 4px rgba(0,0,0,.08);font-weight:600}

/* --- Stepper --- */
.stepper{display:inline-flex;align-items:center;border:1.5px solid var(--border);border-radius:var(--radius);overflow:hidden}
.stepper__btn{width:40px;height:40px;background:var(--surface);border:none;font-size:1.25rem;cursor:pointer;color:var(--text);display:flex;align-items:center;justify-content:center;transition:background .15s}
.stepper__btn:hover{background:var(--border)}
.stepper input{width:48px;height:40px;border:none;text-align:center;font-size:1rem;font-weight:600;font-family:inherit;color:var(--text);background:var(--bg)}
.stepper input::-webkit-inner-spin-button{display:none}

/* --- Availability --- */
.availability-info{padding:10px 14px;border-radius:var(--radius);font-size:.8125rem;margin-bottom:16px}
.availability-info.ok{background:var(--success-bg);color:var(--success)}
.availability-info.warn{background:#fffbeb;color:#92400e}
.availability-info.err{background:var(--error-bg);color:var(--error)}

/* --- Price Box --- */
.price-box{background:var(--surface);border-radius:var(--radius);padding:16px 20px;margin:20px 0;border-left:3px solid var(--accent)}
.price-box__route{font-weight:600;color:var(--primary);margin-bottom:2px}
.price-box__detail{font-size:.8125rem;color:var(--text-sec);margin-bottom:8px}
.price-box__total{font-size:1.0625rem;font-weight:700;color:var(--primary);padding-top:8px;border-top:1px solid var(--border)}

/* --- Checkbox --- */
.form-field--check{margin:20px 0}
.check-label{display:flex;align-items:flex-start;gap:10px;font-size:.875rem;cursor:pointer;color:var(--text-sec)}
.check-label input[type="checkbox"]{width:18px;height:18px;margin-top:2px;accent-color:var(--accent);flex-shrink:0}
.check-label a{color:var(--accent)}

/* --- Success --- */
.booking-success{text-align:center;padding:24px 0}
.booking-success__icon{width:56px;height:56px;border-radius:50%;background:var(--success);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:1.75rem;margin-bottom:16px}
.booking-success h3{font-size:1.5rem;color:var(--primary);margin-bottom:12px}
.booking-success__ref{font-size:1.125rem;margin-bottom:16px;color:var(--text)}
.booking-success__ref strong{font-size:1.25rem;color:var(--accent);letter-spacing:.04em}
.booking-success__details{font-size:.9375rem;color:var(--text-sec);margin-bottom:16px;line-height:1.6}
.booking-success__note{font-size:.875rem;color:var(--text-sec);margin-bottom:24px}

/* --- Destinations Grid --- */
.dest-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}
.dest-grid__loading{text-align:center;color:var(--text-sec);padding:40px;grid-column:1/-1}
.dest-card{background:var(--bg);border:1.5px solid var(--border);border-radius:var(--radius);padding:24px 20px;text-align:center;cursor:pointer;transition:border-color .2s,box-shadow .25s,transform .25s}
.dest-card:hover{border-color:var(--accent);box-shadow:0 6px 20px rgba(46,134,171,.12);transform:translateY(-3px)}
.dest-card__city{font-size:1.1rem;font-weight:600;color:var(--primary);margin-bottom:2px}
.dest-card__country{font-size:.8125rem;color:var(--text-sec);margin-bottom:10px}
.dest-card__price{font-size:.9375rem;font-weight:700;color:var(--accent)}
.dest-card__duration{font-size:.75rem;color:var(--text-sec);margin-top:4px}

/* --- Features --- */
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.feature{text-align:center;padding:24px 16px}
.feature__icon{width:48px;height:48px;margin:0 auto 14px;color:var(--accent)}
.feature__icon svg{width:100%;height:100%}
.feature h3{color:var(--primary);margin-bottom:6px}
.feature p{font-size:.875rem;color:var(--text-sec)}

/* --- Steps --- */
.steps{display:flex;align-items:flex-start;justify-content:center;gap:0}
.step{text-align:center;flex:0 0 200px;padding:0 16px}
.step__num{width:48px;height:48px;border-radius:50%;background:var(--accent);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:1.25rem;font-weight:700;margin-bottom:14px}
.step h3{color:var(--primary);margin-bottom:6px}
.step p{font-size:.875rem;color:var(--text-sec)}
.step__line{flex:0 0 60px;height:2px;background:var(--border);margin-top:23px}

/* --- Contact --- */
.contact{display:flex;justify-content:center}
.contact__card{background:var(--bg);border:1.5px solid var(--border);border-radius:var(--radius);padding:32px 40px;text-align:center}
.contact__card h3{color:var(--primary);margin-bottom:12px}
.contact__card p{font-size:.9375rem;color:var(--text-sec);margin-bottom:6px;display:flex;align-items:center;justify-content:center;gap:8px}
.contact__card svg{flex-shrink:0;color:var(--accent)}
.contact__card a{color:var(--accent);font-weight:500}

/* --- Footer --- */
.footer{background:var(--primary);color:rgba(255,255,255,.6);padding:28px 0;font-size:.8125rem}
.footer__inner{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px}
.footer__brand{font-weight:600;color:rgba(255,255,255,.85);font-size:.9375rem}
.footer a{color:rgba(255,255,255,.7)}
.footer a:hover{color:#fff}

/* --- Shake Animation --- */
@keyframes shake{0%,100%{transform:translateX(0)}20%,60%{transform:translateX(-6px)}40%,80%{transform:translateX(6px)}}
.shake{animation:shake .4s ease}

/* --- Responsive: Tablet --- */
@media(max-width:1024px){
  .features{grid-template-columns:repeat(2,1fr);gap:24px}
}
@media(max-width:768px){
  h1{font-size:1.85rem}
  h2{font-size:1.4rem}
  .section{padding:56px 0}
  .header__nav{position:fixed;top:60px;left:0;right:0;background:var(--bg);flex-direction:column;padding:16px 24px;gap:12px;border-bottom:1px solid var(--border);transform:translateY(-120%);transition:transform .3s;box-shadow:0 4px 16px rgba(0,0,0,.08);z-index:99}
  .header__nav.open{transform:translateY(0)}
  .header__burger{display:flex}
  .hero{padding:72px 0 56px}
  .hero h1 br{display:none}
  .form-row{grid-template-columns:1fr}
  .booking-card{padding:24px 20px}
  .features{grid-template-columns:1fr 1fr;gap:16px}
  .feature{padding:16px 8px}
  .steps{flex-direction:column;align-items:center;gap:24px}
  .step{flex:none}
  .step__line{width:2px;height:24px;flex:none;margin:0}
  .footer__inner{flex-direction:column;text-align:center;gap:4px}
  .contact__card{padding:24px 20px}
  .dest-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr))}
}
@media(max-width:480px){
  h1{font-size:1.55rem}
  .container{padding:0 16px}
  .hero{padding:56px 0 44px}
  .features{grid-template-columns:1fr}
  .dest-grid{grid-template-columns:1fr 1fr;gap:12px}
  .dest-card{padding:16px 12px}
}