/* ===== Andes Professional — design tokens ===== */
:root{
  --navy-950:#08131f;
  --navy-900:#0f2942;
  --navy-800:#16324a;
  --navy-700:#1f4260;
  --blue-600:#3a72a8;
  --blue-500:#4f8ac2;
  --ice-300:#a8c5e0;
  --ice-100:#e8f1fa;
  --white:#ffffff;
  --silver:#c7d3de;
  --ink:#1b2733;
  --muted:#5b6c7c;
  --bg:#ffffff;
  --bg-alt:#f4f8fb;
  --border:#e1e9f1;
  --shadow-lg:0 30px 60px -20px rgba(15,41,66,.25);
  --shadow-sm:0 10px 24px -12px rgba(15,41,66,.18);
  --radius:18px;
  --ff-head:'Poppins',sans-serif;
  --ff-body:'Inter',sans-serif;
  --ease:cubic-bezier(.22,.9,.32,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
@media (prefers-reduced-motion: reduce){ html{scroll-behavior:auto;} }

body{
  margin:0;
  font-family:var(--ff-body);
  color:var(--ink);
  background:var(--bg);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font:inherit;background:none;border:0;cursor:pointer;color:inherit;}
h1,h2,h3,h4{font-family:var(--ff-head);color:var(--navy-900);margin:0;line-height:1.15;}

.container{width:100%;max-width:1180px;margin:0 auto;padding:0 24px;}
.skip-link{position:absolute;left:-999px;top:0;background:var(--navy-900);color:#fff;padding:12px 18px;z-index:999;border-radius:0 0 10px 0;}
.skip-link:focus{left:0;}

/* ===== Preloader ===== */
#preloader{
  position:fixed;inset:0;z-index:9999;
  background:var(--navy-950);
  display:flex;align-items:center;justify-content:center;
  transition:opacity .5s var(--ease), visibility .5s var(--ease);
}
#preloader.is-hidden{opacity:0;visibility:hidden;pointer-events:none;}
.preloader-mark{animation:pulseMark 1.6s ease-in-out infinite;}
@keyframes pulseMark{0%,100%{opacity:.55;transform:scale(1);}50%{opacity:1;transform:scale(1.06);}}
@media (prefers-reduced-motion: reduce){.preloader-mark{animation:none;}}

/* ===== Header ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:500;
  padding:20px 0;
  transition:background .35s var(--ease), padding .35s var(--ease), box-shadow .35s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(8,19,31,.92);
  backdrop-filter:blur(10px);
  padding:12px 0;
  box-shadow:0 10px 30px -18px rgba(0,0,0,.5);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;}

.brand{display:flex;align-items:center;gap:10px;}
.brand-text{
  font-family:var(--ff-head);font-weight:800;letter-spacing:.06em;
  font-size:1.15rem;color:#fff;
}
.brand-text em{
  display:block;font-style:normal;font-weight:500;font-size:.5rem;
  letter-spacing:.32em;color:var(--ice-300);margin-top:2px;
}

.main-nav{display:flex;align-items:center;gap:30px;}
.main-nav a{
  color:rgba(255,255,255,.85);font-size:.94rem;font-weight:500;
  position:relative;padding:4px 0;transition:color .25s;
}
.main-nav a:not(.nav-cta)::after{
  content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;
  background:var(--ice-300);transition:width .3s var(--ease);
}
.main-nav a:not(.nav-cta):hover{color:#fff;}
.main-nav a:not(.nav-cta):hover::after{width:100%;}
.nav-cta{
  background:linear-gradient(135deg,var(--ice-300),var(--blue-500));
  color:var(--navy-950)!important;font-weight:700;
  padding:9px 20px;border-radius:999px;
}

.nav-toggle{display:none;flex-direction:column;gap:5px;width:30px;}
.nav-toggle span{display:block;height:2px;background:#fff;border-radius:2px;transition:transform .3s,opacity .3s;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 30px;border-radius:999px;font-weight:600;font-size:.96rem;
  transition:transform .3s var(--ease), box-shadow .3s var(--ease), background .3s, color .3s;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--ice-300),var(--blue-500));
  color:var(--navy-950);
  box-shadow:0 14px 30px -10px rgba(58,114,168,.55);
}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 20px 36px -12px rgba(58,114,168,.65);}
.btn-ghost{
  border:1.5px solid rgba(255,255,255,.4);color:#fff;
}
.btn-ghost:hover{background:rgba(255,255,255,.1);transform:translateY(-3px);}
.btn-outline{border:1.5px solid var(--navy-700);color:var(--navy-800);}
.btn-outline:hover{background:var(--navy-900);color:#fff;transform:translateY(-3px);}

/* ===== Hero ===== */
.hero{
  position:relative;min-height:100vh;display:flex;align-items:center;
  background:linear-gradient(180deg,var(--navy-950),var(--navy-900) 60%,var(--navy-800));
  overflow:hidden;padding-top:110px;
}
.hero-bg{position:absolute;inset:0;overflow:hidden;}
.hero-photo{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  opacity:.9;filter:saturate(1.15) brightness(.85) contrast(1.05);
}
.hero-overlay{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(8,19,31,.35) 0%,rgba(15,41,66,.45) 60%,var(--navy-900) 100%);
}
.hero-stars{
  position:absolute;inset:0;
  background-image:radial-gradient(1.5px 1.5px at 20% 20%, rgba(255,255,255,.5), transparent),
    radial-gradient(1.5px 1.5px at 70% 15%, rgba(255,255,255,.4), transparent),
    radial-gradient(1px 1px at 40% 35%, rgba(255,255,255,.35), transparent),
    radial-gradient(1.5px 1.5px at 85% 30%, rgba(255,255,255,.3), transparent),
    radial-gradient(1px 1px at 55% 10%, rgba(255,255,255,.4), transparent);
  opacity:.7;
}
.hero-spotlight{
  position:absolute;inset:0;z-index:1;pointer-events:none;opacity:0;
  transition:opacity .6s var(--ease);
  background:radial-gradient(520px circle at var(--mx,50%) var(--my,30%),rgba(168,197,224,.16),transparent 70%);
}
.hero:hover .hero-spotlight{opacity:1;}
@media (hover:none){ .hero-spotlight{display:none;} }
.hero-inner{position:relative;z-index:2;max-width:760px;}
.eyebrow{
  color:var(--ice-300);font-weight:600;letter-spacing:.14em;text-transform:uppercase;
  font-size:.8rem;margin:0 0 18px;
}
.hero-title{font-size:clamp(2.4rem,5.4vw,4.1rem);color:#fff;margin-bottom:22px;font-weight:700;}
.ice-text{
  background:linear-gradient(135deg,var(--ice-300),#fff 50%,var(--blue-500));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{color:rgba(255,255,255,.78);font-size:1.1rem;max-width:560px;margin-bottom:36px;}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;}

.scroll-cue{
  position:absolute;bottom:34px;left:50%;transform:translateX(-50%);z-index:2;
  width:26px;height:42px;border:2px solid rgba(255,255,255,.5);border-radius:20px;
}
.scroll-cue span{
  position:absolute;top:8px;left:50%;transform:translateX(-50%);
  width:4px;height:8px;background:var(--ice-300);border-radius:4px;
  animation:cueMove 1.8s ease-in-out infinite;
}
@keyframes cueMove{0%{opacity:1;top:8px;}70%{opacity:0;top:22px;}100%{opacity:0;top:8px;}}
@media (prefers-reduced-motion: reduce){.scroll-cue span{animation:none;}}

/* ===== Ticker ===== */
.ticker{
  background:var(--navy-900);overflow:hidden;padding:14px 0;
  border-top:1px solid rgba(255,255,255,.08);border-bottom:1px solid rgba(255,255,255,.08);
}
.ticker-track{
  display:flex;gap:14px;white-space:nowrap;width:max-content;
  animation:tickerScroll 26s linear infinite;
}
.ticker-track span{color:var(--ice-300);font-weight:600;font-size:.9rem;letter-spacing:.04em;}
.ticker-track span:nth-child(2n){color:rgba(255,255,255,.4);}
@keyframes tickerScroll{from{transform:translateX(0);}to{transform:translateX(-50%);}}
@media (prefers-reduced-motion: reduce){.ticker-track{animation:none;flex-wrap:wrap;}}

/* ===== Sections ===== */
.section{padding:110px 0;}
.section-alt{background:var(--bg-alt);}
.tag{
  color:var(--blue-600);font-weight:700;letter-spacing:.12em;text-transform:uppercase;
  font-size:.8rem;margin:0 0 14px;
}
.section-title{font-size:clamp(1.8rem,3.4vw,2.6rem);max-width:720px;margin-bottom:18px;}
.section-sub{color:var(--muted);max-width:620px;font-size:1.05rem;margin-bottom:56px;}

/* ===== Reveal ===== */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s var(--ease),transform .7s var(--ease);}
.reveal.is-visible{opacity:1;transform:none;}
@media (prefers-reduced-motion: reduce){
  .reveal{opacity:1;transform:none;transition:none;}
}

/* ===== Services ===== */
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
/* ===== Spotlight cursor-glow effect ===== */
.spotlight{position:relative;}
.spotlight::before{
  content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  border-radius:inherit;opacity:0;transition:opacity .45s var(--ease);
  background:radial-gradient(280px circle at var(--mx,50%) var(--my,50%),rgba(58,114,168,.14),transparent 70%);
}
.spotlight:hover::before{opacity:1;}
.spotlight > *{position:relative;z-index:1;}
.spotlight-dark::before{
  background:radial-gradient(300px circle at var(--mx,50%) var(--my,50%),rgba(168,197,224,.3),transparent 70%);
}
@media (hover:none){ .spotlight::before{display:none;} }

.service-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:40px 32px;transition:transform .35s var(--ease),box-shadow .35s var(--ease);
}
.service-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);}
.service-icon{
  width:58px;height:58px;border-radius:16px;
  background:linear-gradient(135deg,var(--navy-900),var(--blue-600));
  color:var(--ice-100);display:flex;align-items:center;justify-content:center;
  margin-bottom:22px;
}
.service-icon svg{width:28px;height:28px;}
.service-card h3{font-size:1.3rem;margin-bottom:12px;}
.service-card p{color:var(--muted);margin-bottom:18px;}
.service-list{margin-bottom:22px;}
.service-list li{
  position:relative;padding-left:22px;color:var(--ink);font-size:.94rem;margin-bottom:9px;
}
.service-list li::before{
  content:"";position:absolute;left:0;top:8px;width:8px;height:8px;border-radius:50%;
  background:linear-gradient(135deg,var(--ice-300),var(--blue-600));
}
.service-link{color:var(--blue-600);font-weight:600;font-size:.94rem;}
.service-link:hover{text-decoration:underline;}

/* ===== Two column ===== */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;}
.two-col-text p{color:var(--muted);}
.two-col-text .section-title{margin-bottom:20px;}
.mountain-frame{border-radius:24px;overflow:hidden;box-shadow:var(--shadow-lg);}
.mountain-frame img{width:100%;height:100%;object-fit:cover;display:block;}
.feature-list{margin-top:32px;display:grid;gap:22px;}
.feature-item{display:flex;gap:16px;align-items:flex-start;}
.feature-check{
  flex:none;width:30px;height:30px;border-radius:50%;
  background:linear-gradient(135deg,var(--ice-300),var(--blue-600));
  color:#fff;display:flex;align-items:center;justify-content:center;font-size:.85rem;font-weight:700;
}
.feature-item strong{display:block;color:var(--navy-900);margin-bottom:4px;}
.feature-item p{margin:0;color:var(--muted);font-size:.94rem;}

/* ===== Process ===== */
.process-list{
  display:grid;grid-template-columns:repeat(5,1fr);gap:22px;counter-reset:step;
}
.process-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:30px 22px;position:relative;
}
.process-num{
  display:block;font-family:var(--ff-head);font-weight:800;font-size:1.6rem;
  color:transparent;-webkit-text-stroke:1.5px var(--ice-300);margin-bottom:14px;
}
.process-item h3{font-size:1.05rem;margin-bottom:8px;}
.process-item p{color:var(--muted);font-size:.9rem;margin:0;}

/* ===== Work / portfolio ===== */
.work-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.work-card{
  background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);
  transition:transform .35s var(--ease),box-shadow .35s var(--ease);
}
.work-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);}
.work-thumb{height:150px;overflow:hidden;background:var(--navy-900);}
.work-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.work-card:hover .work-thumb img{transform:scale(1.06);}
.work-body{padding:22px;}
.work-tag{
  font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;
  color:var(--blue-600);
}
.work-body h3{font-size:1.05rem;margin:8px 0;}
.work-body p{color:var(--muted);font-size:.9rem;margin:0;}
.work-note{margin-top:36px;color:var(--muted);}
.work-note a{color:var(--blue-600);font-weight:600;}

/* ===== Pricing ===== */
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;align-items:stretch;}
.price-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:42px 34px;display:flex;flex-direction:column;position:relative;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease);
}
.price-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);}
.price-featured{
  background:linear-gradient(160deg,var(--navy-900),var(--navy-800));
  border-color:var(--navy-900);
}
.price-featured h3,.price-featured .price-desc,.price-featured .price-list li{color:#fff;}
.price-featured .price-list li::before{background:var(--ice-300);}
.price-badge{
  position:absolute;top:-14px;left:34px;background:var(--ice-300);color:var(--navy-950);
  font-size:.72rem;font-weight:800;text-transform:uppercase;letter-spacing:.06em;
  padding:6px 14px;border-radius:999px;
}
.price-card h3{font-size:1.4rem;margin-bottom:8px;}
.price-desc{color:var(--muted);font-size:.94rem;margin-bottom:24px;}
.price-list{margin-bottom:28px;flex:1;}
.price-list li{position:relative;padding-left:24px;font-size:.94rem;margin-bottom:12px;color:var(--ink);}
.price-list li::before{
  content:"✓";position:absolute;left:0;top:0;color:var(--blue-600);font-weight:700;
}

/* ===== Testimonials ===== */
.testimonial-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.testimonial-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:32px;margin:0;
}
.testimonial-card p{font-size:1rem;color:var(--ink);margin:0 0 22px;font-style:italic;}
.testimonial-card footer{display:flex;align-items:center;gap:12px;}
.avatar{
  width:42px;height:42px;border-radius:50%;flex:none;
  background:linear-gradient(135deg,var(--navy-900),var(--blue-600));color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.85rem;
}
.testimonial-card footer strong{display:block;font-size:.92rem;color:var(--navy-900);}
.testimonial-card footer span{font-size:.82rem;color:var(--muted);}
.testimonial-note{margin-top:30px;color:var(--muted);font-size:.85rem;text-align:center;}

/* ===== FAQ ===== */
.faq-list{max-width:760px;}
.faq-item{border-bottom:1px solid var(--border);}
.faq-question{
  width:100%;text-align:left;padding:22px 4px;display:flex;
  justify-content:space-between;align-items:center;font-weight:600;font-size:1.02rem;
  color:var(--navy-900);
}
.faq-icon{font-size:1.3rem;color:var(--blue-600);transition:transform .3s var(--ease);flex:none;margin-left:16px;}
.faq-item[data-open="true"] .faq-icon{transform:rotate(45deg);}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .4s var(--ease);}
.faq-answer p{margin:0 4px 22px;color:var(--muted);}

/* ===== CTA band ===== */
.cta-band{
  background:linear-gradient(135deg,var(--navy-950),var(--navy-800));
  padding:90px 0;text-align:center;
}
.cta-inner h2{color:#fff;font-size:clamp(1.7rem,3.4vw,2.4rem);margin-bottom:16px;}
.cta-inner p{color:rgba(255,255,255,.75);max-width:500px;margin:0 auto 34px;}

/* ===== Contact ===== */
.contact-info{margin-top:34px;display:grid;gap:22px;}
.contact-info-item{display:flex;gap:16px;align-items:flex-start;}
.contact-icon{
  flex:none;width:40px;height:40px;border-radius:12px;background:var(--bg-alt);
  display:flex;align-items:center;justify-content:center;color:var(--blue-600);font-size:1.1rem;
}
.contact-info-item strong{display:block;color:var(--navy-900);margin-bottom:2px;}
.contact-info-item p{margin:0;color:var(--muted);}
.contact-info-item a{color:var(--blue-600);font-weight:500;}
.social-row{display:flex;gap:12px;margin-top:32px;}
.social-icon{
  width:42px;height:42px;border-radius:50%;border:1.5px solid var(--border);
  display:flex;align-items:center;justify-content:center;color:var(--navy-800);
  transition:background .3s,color .3s,transform .3s;
}
.social-icon svg{width:19px;height:19px;}
.social-icon:hover{background:var(--navy-900);color:#fff;transform:translateY(-3px);}

.contact-form-wrap{
  background:#fff;border:1px solid var(--border);border-radius:24px;
  padding:40px;box-shadow:var(--shadow-sm);
}
.form-row{margin-bottom:20px;}
.form-row label{display:block;font-size:.88rem;font-weight:600;color:var(--navy-900);margin-bottom:7px;}
.form-row input,.form-row select,.form-row textarea{
  width:100%;padding:13px 14px;border:1.5px solid var(--border);border-radius:12px;
  font:inherit;color:var(--ink);background:var(--bg-alt);transition:border-color .25s,background .25s;
}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{
  outline:none;border-color:var(--blue-500);background:#fff;
}
.form-row textarea{resize:vertical;}
.form-submit{width:100%;margin-top:6px;}
.form-status{margin:14px 0 0;font-size:.9rem;color:var(--blue-600);min-height:1.2em;}

/* ===== Footer ===== */
.site-footer{background:var(--navy-950);color:rgba(255,255,255,.7);padding:70px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:50px;border-bottom:1px solid rgba(255,255,255,.08);}
.footer-brand p{margin-top:16px;font-size:.92rem;max-width:280px;color:rgba(255,255,255,.55);}
.footer-logo{color:#fff;}
.footer-col h4{color:#fff;font-size:.95rem;margin-bottom:16px;}
.footer-col{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:.92rem;color:rgba(255,255,255,.65);transition:color .25s;}
.footer-col a:hover{color:var(--ice-300);}
.footer-bottom{padding:26px 0;text-align:center;font-size:.84rem;color:rgba(255,255,255,.45);}
.photo-credits{margin-top:8px;font-size:.72rem;color:rgba(255,255,255,.3);}
.photo-credits a{text-decoration:underline;}

/* ===== Floating buttons ===== */
.back-to-top{
  position:fixed;right:24px;bottom:24px;width:46px;height:46px;border-radius:50%;
  background:var(--navy-900);color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:1.2rem;opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .3s,visibility .3s,transform .3s;z-index:400;box-shadow:var(--shadow-sm);
}
.back-to-top.is-visible{opacity:1;visibility:visible;transform:none;}
.whatsapp-float{
  position:fixed;left:24px;bottom:24px;width:52px;height:52px;border-radius:50%;
  background:#25D366;color:#fff;display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 24px -8px rgba(37,211,102,.6);z-index:400;
}
.whatsapp-float svg{width:26px;height:26px;}
.whatsapp-float:hover{transform:scale(1.08);}

/* ===== Responsive ===== */
@media (max-width:992px){
  .main-nav{
    position:fixed;inset:0 0 0 auto;width:min(320px,80%);
    background:var(--navy-950);flex-direction:column;align-items:flex-start;
    padding:110px 32px 32px;gap:24px;transform:translateX(100%);
    transition:transform .4s var(--ease);z-index:400;
  }
  .main-nav.is-open{transform:translateX(0);}
  .nav-toggle{display:flex;}
  .nav-cta{margin-top:10px;}
  .services-grid,.pricing-grid,.testimonial-grid{grid-template-columns:1fr;}
  .process-list{grid-template-columns:repeat(2,1fr);}
  .work-grid{grid-template-columns:repeat(2,1fr);}
  .two-col{grid-template-columns:1fr;}
  .two-col-media{order:2;}
}
@media (max-width:640px){
  .section{padding:76px 0;}
  .process-list{grid-template-columns:1fr;}
  .work-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .contact-form-wrap{padding:28px 22px;}
  .hero{padding-top:96px;}
}