/* ==========================================================================
   Ariel Pro Painter — Landing Page Styles
   Palette: white / light-gray / dark navy, single elegant gold accent.
   Type: Plus Jakarta Sans (display) + Work Sans (body), system fallback.
   Shape lock: 16px radius on cards/inputs, full-pill on buttons & chips.
   ========================================================================== */

:root{
  --navy-950:#0b1c30;
  --navy-900:#11233b;
  --navy-800:#16314f;
  --navy-700:#1e3f63;
  --navy-600:#2a5078;

  --gold-500:#c79a3f;
  --gold-600:#a87f30;
  --gold-100:#f3e6c8;

  --paper:#ffffff;
  --mist:#f3f5f8;
  --mist-200:#e8ecf1;
  --line:#dde3ea;

  --ink-900:#101826;
  --ink-700:#33404f;
  --ink-500:#5b6878;
  --ink-300:#8a96a5;

  --radius-card:16px;
  --radius-pill:999px;
  --radius-input:10px;

  --shadow-sm: 0 1px 2px rgba(11,28,48,.06), 0 1px 1px rgba(11,28,48,.04);
  --shadow-md: 0 8px 24px rgba(11,28,48,.10), 0 2px 6px rgba(11,28,48,.06);
  --shadow-lg: 0 20px 48px rgba(11,28,48,.16), 0 6px 16px rgba(11,28,48,.08);

  --font-display:'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
  --font-body:'Work Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;

  --container: 1280px;
  --ease: cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink-700);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  line-height:1.55;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{margin:0;padding:0;}
h1,h2,h3{font-family:var(--font-display);color:var(--navy-950);margin:0;}
.section-inner{max-width:var(--container);margin:0 auto;padding:0 20px;}

h1{font-size:clamp(2rem,4.6vw,3.4rem);font-weight:800;letter-spacing:-0.02em;line-height:1.08;}
h2{font-size:clamp(1.6rem,3vw,2.3rem);font-weight:700;letter-spacing:-0.01em;line-height:1.15;}
h3{font-size:1.08rem;font-weight:700;}
.section-lead{color:var(--ink-500);font-size:1.02rem;max-width:60ch;margin:10px 0 0;}

.skip-link{position:absolute;left:-9999px;top:0;background:var(--navy-950);color:#fff;padding:10px 16px;z-index:200;}
.skip-link:focus{left:10px;top:10px;border-radius:8px;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:var(--font-display);font-weight:700;font-size:.95rem;
  padding:13px 22px;border-radius:var(--radius-pill);
  border:1.5px solid transparent;white-space:nowrap;
  transition:transform .15s var(--ease), box-shadow .2s var(--ease), background-color .2s var(--ease), color .2s var(--ease);
  cursor:pointer;
}
.btn .icon{width:18px;height:18px;flex:0 0 auto;}
.btn:active{transform:scale(.97);}
.btn-primary{background:var(--gold-500);color:var(--navy-950);}
.btn-primary:hover{background:var(--gold-600);box-shadow:var(--shadow-md);}
.btn-outline{background:transparent;color:var(--navy-950);border-color:var(--navy-800);}
.btn-outline:hover{background:var(--navy-950);color:#fff;}
.btn-ghost{background:transparent;color:var(--navy-950);}
.btn-ghost:hover{background:var(--mist-200);}
.btn-whatsapp{background:#1d8047;color:#fff;}
.btn-whatsapp:hover{background:#176a3a;box-shadow:var(--shadow-md);}
.btn-lg{padding:15px 26px;font-size:1rem;}
.btn-sm{padding:10px 18px;font-size:.88rem;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  max-width:var(--container);margin:0 auto;padding:14px 20px;
  display:flex;align-items:center;gap:20px;
}
.brand{display:flex;align-items:center;gap:9px;flex:0 0 auto;}
.brand-mark{display:inline-flex;flex:0 0 auto;}
.brand-text{font-family:var(--font-display);font-weight:700;font-size:1rem;color:var(--navy-950);letter-spacing:-0.01em;}
.brand-logo{height:38px;width:auto;border-radius:6px;display:block;}

.main-nav{display:flex;gap:28px;margin-left:18px;flex:1 1 auto;}
.main-nav a{font-size:.93rem;font-weight:600;color:var(--ink-700);padding:8px 0;position:relative;}
.main-nav a:hover{color:var(--navy-950);}
.main-nav a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--gold-500);transform:scaleX(0);transition:transform .2s var(--ease);}
.main-nav a:hover::after{transform:scaleX(1);}

.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.header-call span{display:inline;}

.lang-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:40px;height:34px;padding:0 12px;
  border:1.5px solid var(--navy-800);border-radius:var(--radius-pill);
  background:transparent;color:var(--navy-950);
  font-family:var(--font-display);font-weight:700;font-size:.78rem;letter-spacing:.04em;
  cursor:pointer;transition:background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}
.lang-toggle:hover{background:var(--navy-950);color:#fff;border-color:var(--navy-950);}
.lang-toggle:active{transform:scale(.98);}

.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:40px;height:40px;border:none;background:none;cursor:pointer;border-radius:8px;}
.nav-toggle span{display:block;height:2px;width:22px;background:var(--navy-950);border-radius:2px;transition:transform .2s var(--ease), opacity .2s var(--ease);}

/* ---------- Hero ---------- */
.hero{background:var(--mist);overflow:hidden;}
.hero-grid{
  max-width:var(--container);margin:0 auto;padding:0 20px;
  display:grid;grid-template-columns:1fr;align-items:stretch;
}
.hero-copy{padding:48px 0 36px;display:flex;flex-direction:column;align-items:flex-start;}
.pill{
  display:inline-flex;align-items:center;background:var(--navy-950);color:var(--gold-100);
  font-size:.78rem;font-weight:600;letter-spacing:.02em;padding:7px 14px;border-radius:var(--radius-pill);margin:0 0 18px;
}
.hero h1{margin-bottom:16px;}
.hero-subtitle{font-size:1.08rem;color:var(--ink-500);max-width:54ch;margin:0 0 28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px;}
.trust-line{font-size:.92rem;font-weight:600;color:var(--navy-800);margin:0;}

.hero-media{position:relative;min-height:280px;}
.hero-media img{width:100%;height:100%;object-fit:cover;border-radius:var(--radius-card);}

/* ---------- Trust bar ---------- */
.trust-bar{background:var(--navy-950);color:#fff;}
.trust-inner{
  max-width:var(--container);margin:0 auto;padding:28px 20px;
  display:grid;grid-template-columns:repeat(2,1fr);gap:20px;
}
.trust-item{display:flex;flex-direction:column;align-items:center;text-align:center;gap:4px;}
.trust-number{font-family:var(--font-display);font-weight:800;font-size:1.5rem;color:var(--gold-500);}
.trust-label{font-size:.82rem;color:#cfd8e3;letter-spacing:.01em;}

/* ---------- Section base + reveal ---------- */
section{padding:64px 0;}
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease), transform .6s var(--ease);}
.reveal.is-visible{opacity:1;transform:translateY(0);}
@media (prefers-reduced-motion: reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  html{scroll-behavior:auto;}
}

/* ---------- Before/After ---------- */
.transform-section{background:var(--paper);}
.transform-section h2{margin-bottom:6px;}
.compare{margin-top:30px;max-width:560px;}
.compare-frame{
  position:relative;border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-lg);
  aspect-ratio:4/5;user-select:none;
}
.compare-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.compare-clip{position:absolute;inset:0;width:50%;overflow:hidden;}
.compare-clip img{width:200%;max-width:none;height:100%;}
.compare-handle{
  position:absolute;top:0;bottom:0;left:50%;width:0;
  display:flex;align-items:center;justify-content:center;cursor:ew-resize;touch-action:none;
}
.compare-handle::before{content:"";position:absolute;top:0;bottom:0;left:-1px;width:2px;background:#fff;}
.compare-handle-grip{
  width:38px;height:38px;border-radius:50%;background:#fff;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-md);
}
.compare-tag{position:absolute;bottom:14px;font-family:var(--font-display);font-weight:700;font-size:.78rem;letter-spacing:.04em;text-transform:uppercase;color:#fff;background:rgba(11,28,48,.55);padding:5px 12px;border-radius:var(--radius-pill);}
.compare-tag-before{left:14px;}
.compare-tag-after{right:14px;}

/* ---------- Featured Projects (bento) ---------- */
.projects-section{background:var(--mist);}
.projects-grid{
  margin-top:30px;display:grid;grid-template-columns:1fr;gap:18px;
}
.project-card{
  background:var(--paper);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-sm);
  border:1px solid var(--line);
  transition:box-shadow .25s var(--ease), transform .25s var(--ease);
}
.project-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px);}
.project-media{aspect-ratio:4/3;overflow:hidden;background:var(--mist-200);}
.project-card-tall .project-media{aspect-ratio:3/4;}
.project-media img{width:100%;height:100%;object-fit:cover;}
.project-card h3{margin:16px 18px 4px;}
.project-card p{margin:0 18px 18px;color:var(--ink-500);font-size:.92rem;}

/* ---------- Services ---------- */
.services-section{background:var(--paper);}
.services-grid{margin-top:30px;display:grid;grid-template-columns:1fr;gap:16px;}
.service-card{
  padding:24px;border-radius:var(--radius-card);background:var(--mist);border:1px solid var(--line);
}
.service-icon{
  display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;
  background:var(--navy-950);color:var(--gold-500);margin-bottom:14px;
}
.service-icon svg{width:22px;height:22px;fill:none;}
.service-card h3{margin-bottom:6px;}
.service-card p{margin:0;color:var(--ink-500);font-size:.92rem;}

/* ---------- Why choose us ---------- */
.why-section{background:var(--navy-950);color:#fff;}
.why-inner{display:flex;flex-direction:column;gap:28px;}
.why-copy h2{color:#fff;}
.why-copy .section-lead{color:#b9c3d1;}
.why-list{display:grid;grid-template-columns:1fr;gap:14px;list-style:none;}
.why-list li{
  display:flex;align-items:flex-start;gap:12px;font-weight:600;font-size:1rem;
  background:rgba(255,255,255,.05);padding:16px 18px;border-radius:var(--radius-card);
  border:1px solid rgba(255,255,255,.08);
}
.why-check{
  flex:0 0 auto;width:24px;height:24px;border-radius:50%;background:var(--gold-500);color:var(--navy-950);
  display:flex;align-items:center;justify-content:center;font-size:.8rem;font-weight:800;
}

/* ---------- Reviews ---------- */
.reviews-section{background:var(--mist);}
.reviews-grid{margin-top:30px;display:grid;grid-template-columns:1fr;gap:18px;}
.review-card{
  margin:0;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-sm);
}
.stars{color:var(--gold-500);font-size:1rem;letter-spacing:.1em;margin-bottom:10px;}
.review-card blockquote{margin:0 0 14px;font-size:1rem;color:var(--navy-900);line-height:1.5;}
.review-card figcaption{font-size:.82rem;color:var(--ink-300);font-weight:600;}

/* ---------- Service areas ---------- */
.areas-section{background:var(--paper);}
.areas-grid{margin-top:26px;display:flex;flex-wrap:wrap;gap:10px;}
.area-chip{
  padding:10px 18px;border-radius:var(--radius-pill);background:var(--mist);border:1px solid var(--line);
  font-weight:600;font-size:.9rem;color:var(--navy-800);
}
.area-chip-accent{background:var(--navy-950);color:var(--gold-100);border-color:var(--navy-950);}

/* ---------- Free estimate ---------- */
.estimate-section{background:var(--navy-950);color:#fff;}
.estimate-section h2{color:#fff;}
.estimate-section .section-lead{color:#b9c3d1;}
.estimate-inner{display:grid;grid-template-columns:1fr;gap:36px;}

.estimate-form{margin-top:26px;display:flex;flex-direction:column;gap:16px;}
.form-row{display:flex;flex-direction:column;gap:6px;}
.form-row-split{display:grid;grid-template-columns:1fr;gap:16px;}
label{font-size:.85rem;font-weight:600;color:#cfd8e3;}
input,select,textarea{
  font-family:var(--font-body);font-size:.96rem;padding:12px 14px;border-radius:var(--radius-input);
  border:1.5px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);color:#fff;
  outline:none;transition:border-color .2s var(--ease), background .2s var(--ease);
}
input::placeholder,textarea::placeholder{color:#7e8ba0;}
input:focus,select:focus,textarea:focus{border-color:var(--gold-500);background:rgba(255,255,255,.1);}
select{color-scheme:dark;}
.form-submit{margin-top:6px;align-self:flex-start;}
.form-status{min-height:1.2em;font-size:.9rem;font-weight:600;color:var(--gold-500);}

.estimate-contact{display:flex;flex-direction:column;gap:16px;align-self:start;}
.estimate-contact h3{color:#fff;font-size:1.05rem;}
.contact-line{
  display:flex;align-items:center;gap:12px;padding:14px 16px;border-radius:var(--radius-card);
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);font-weight:600;font-size:.95rem;
  transition:background .2s var(--ease);
}
.contact-line:hover{background:rgba(255,255,255,.1);}
.contact-line .icon{width:20px;height:20px;color:var(--gold-500);flex:0 0 auto;}
.estimate-photo{border-radius:var(--radius-card);overflow:hidden;margin-top:4px;}
.estimate-photo img{width:100%;height:220px;object-fit:cover;}

/* ---------- Footer ---------- */
.site-footer{background:var(--navy-900);color:#cfd8e3;padding:44px 0 0;}
.footer-inner{
  max-width:var(--container);margin:0 auto;padding:0 20px 32px;
  display:grid;grid-template-columns:1fr;gap:28px;
}
.footer-brand{display:flex;align-items:center;gap:12px;}
.footer-brand-logo{height:44px;width:auto;border-radius:6px;display:block;}
.footer-brand-name{margin:0;font-family:var(--font-display);font-weight:700;color:#fff;font-size:1.02rem;}
.footer-brand-tag{margin:0;font-size:.85rem;color:#9fadc0;}
.footer-contact{display:flex;flex-direction:column;gap:8px;font-size:.92rem;font-weight:600;}
.footer-areas{font-size:.85rem;color:#9fadc0;line-height:1.7;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:18px 20px;text-align:center;font-size:.8rem;color:#7e8ba0;}

/* ---------- Floating WhatsApp button ---------- */
.fab-whatsapp{
  position:fixed;bottom:20px;right:20px;width:56px;height:56px;border-radius:50%;
  background:#1d8047;color:#fff;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-lg);z-index:90;transition:transform .2s var(--ease);
}
.fab-whatsapp svg{width:28px;height:28px;}
.fab-whatsapp:hover{transform:scale(1.06);}

/* ==========================================================================
   Responsive — mobile-first base above, desktop enhancements below
   ========================================================================== */
@media (min-width:640px){
  .form-row-split{grid-template-columns:1fr 1fr;}
  .trust-inner{grid-template-columns:repeat(4,1fr);}
}

@media (min-width:860px){
  .why-list{grid-template-columns:1fr 1fr;}
  .services-grid{grid-template-columns:repeat(2,1fr);}
  .reviews-grid{grid-template-columns:repeat(3,1fr);}
}

@media (min-width:980px){
  .main-nav{display:flex;}
  .nav-toggle{display:none;}

  .hero-grid{grid-template-columns:1fr 1fr;gap:48px;min-height:560px;}
  .hero-copy{padding:64px 0;justify-content:center;}
  .hero-media{border-radius:0;}
  .hero-media{margin:24px 0;}
  .hero-media img{border-radius:var(--radius-card);}

  .projects-grid{grid-template-columns:repeat(4,1fr);grid-auto-rows:1fr;}
  .project-card-tall{grid-row:span 2;}
  .project-card-tall .project-media{aspect-ratio:auto;height:100%;}

  .why-inner{grid-template-columns:1fr 1.3fr;align-items:center;}

  .estimate-inner{grid-template-columns:1.2fr .8fr;}

  .footer-inner{grid-template-columns:1.2fr 1fr 1fr;align-items:start;}
}

@media (max-width:979px){
  .main-nav{
    position:absolute;top:100%;left:0;right:0;background:var(--paper);border-bottom:1px solid var(--line);
    flex-direction:column;gap:0;padding:8px 20px;max-height:0;overflow:hidden;transition:max-height .25s var(--ease);
  }
  .main-nav.is-open{max-height:320px;padding:12px 20px;}
  .main-nav a{padding:12px 0;border-bottom:1px solid var(--mist-200);}
  .main-nav a:last-child{border-bottom:none;}
  .nav-toggle{display:flex;}
  .header-call span{display:none;}
  .header-actions .btn-sm.header-call{padding:10px;}
}

@media (max-width:639px){
  .hero-actions .btn{flex:1 1 auto;}
  .header-actions .btn-primary{display:none;}
}

@media (min-width:480px) and (max-width:639px){
  .projects-grid{grid-template-columns:repeat(2,1fr);}
}