/* ===================== TOKENS ===================== */
:root{
  --font-body: 'Manrope', system-ui, sans-serif;
  --font-display: 'Fraunces', Georgia, serif;

  /* light (green) theme */
  --bg: #ffffff;
  --bg-soft: #f4f8f4;
  --surface: #ffffff;
  --text: #16241a;
  --text-soft: #4c5c50;
  --border: #e2ebe2;
  --primary: #2f7a3d;
  --primary-dark: #1f5c2b;
  --primary-light: #7cc35a;
  --accent: #a9d977;
  --gradient: linear-gradient(135deg, #1f5c2b 0%, #3f9a4a 55%, #8fd35f 100%);
  --shadow: 0 20px 50px -20px rgba(31,92,43,.25);
  --overlay: rgba(10,20,12,.55);
}

:root[data-theme="dark"]{
  --bg: #0a1220;
  --bg-soft: #0d1826;
  --surface: #101d30;
  --text: #eaf1fb;
  --text-soft: #a9bdd6;
  --border: #1c2e47;
  --primary: #3f8fd6;
  --primary-dark: #205a94;
  --primary-light: #7fc2ef;
  --accent: #9fd3f3;
  --gradient: linear-gradient(135deg, #0f2b52 0%, #1f5c94 55%, #6fb9e8 100%);
  --shadow: 0 20px 50px -20px rgba(6,20,40,.6);
  --overlay: rgba(5,12,24,.65);
}

*,*::before,*::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  transition: background .4s ease, color .4s ease;
  overflow-x: hidden;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ list-style:none; margin:0; padding:0; }
.container{ width:100%; max-width:1240px; margin:0 auto; padding:0 24px; }

.brand-logo-dark, .pl-icon-dark{ display:none; }
:root[data-theme="dark"] .brand-logo-light,
:root[data-theme="dark"] .pl-icon-light{ display:none; }
:root[data-theme="dark"] .brand-logo-dark,
:root[data-theme="dark"] .pl-icon-dark{ display:block; }

/* ===================== PRELOADER ===================== */
#preloader{
  position: fixed; inset:0; z-index: 9999;
  background: var(--bg);
  display:flex; align-items:center; justify-content:center;
  transition: opacity .6s ease, visibility .6s ease;
}
#preloader.hide{ opacity:0; visibility:hidden; }
.preloader-inner{ text-align:center; }
.preloader-logo{ width:96px; height:112px; margin:0 auto 22px; position:relative; animation: floatY 2.2s ease-in-out infinite; }
.pl-icon{ width:96px; }
.preloader-bar{ width:180px; height:4px; border-radius:4px; background: var(--border); overflow:hidden; margin: 0 auto; }
.preloader-bar span{ display:block; height:100%; width:0%; background: var(--gradient); animation: loadbar 1.4s ease forwards; }
.preloader-text{ margin-top:14px; font-size:.85rem; letter-spacing:.04em; color: var(--text-soft); }
.dots i{ font-style:normal; animation: blinkDot 1.2s infinite; opacity:0; }
.dots i:nth-child(2){ animation-delay:.2s; }
.dots i:nth-child(3){ animation-delay:.4s; }
@keyframes blinkDot{ 0%,100%{opacity:0;} 50%{opacity:1;} }
@keyframes loadbar{ from{width:0%;} to{width:100%;} }
@keyframes floatY{ 0%,100%{ transform: translateY(0);} 50%{ transform: translateY(-8px);} }

/* ===================== PARTICLES CANVAS ===================== */
#particles-canvas{
  position:absolute; top:0; left:0; width:100%; height:100vh; z-index:2; pointer-events:none;
}

/* ===================== HEADER ===================== */
#site-header{
  position: fixed; top:0; left:0; right:0; z-index:500;
  padding: 18px 0;
  transition: background .35s ease, padding .35s ease, box-shadow .35s ease;
}
#site-header.scrolled{
  padding: 10px 0;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(14px);
  box-shadow: 0 8px 30px -18px rgba(0,0,0,.35);
  border-bottom: 1px solid var(--border);
}
.header-inner{ display:flex; align-items:center; justify-content:space-between; gap:20px; }
.brand{ display:flex; align-items:center; }
.brand-logo{ height:38px; width:auto; }
.main-nav{ display:flex; gap:30px; }
.main-nav a{
  font-size:.94rem; font-weight:600; color: var(--text);
  position:relative; padding:4px 0;
}
.main-nav a::after{
  content:""; position:absolute; left:0; bottom:-2px; width:0; height:2px; background: var(--primary);
  transition: width .3s ease;
}
.main-nav a:hover::after{ width:100%; }
.header-actions{ display:flex; align-items:center; gap:14px; }
#theme-toggle{
  width:40px; height:40px; border-radius:50%; border:1px solid var(--border); background: var(--surface);
  display:flex; align-items:center; justify-content:center; cursor:pointer; color: var(--primary);
  transition: transform .3s ease, background .3s ease;
}
#theme-toggle:hover{ transform: rotate(20deg); }
#theme-toggle svg{ width:19px; height:19px; }
.icon-moon{ display:none; }
:root[data-theme="dark"] .icon-sun{ display:none; }
:root[data-theme="dark"] .icon-moon{ display:block; }

.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding: 12px 24px; border-radius: 999px; font-weight:700; font-size:.92rem;
  border: 2px solid transparent; cursor:pointer; transition: transform .25s ease, box-shadow .25s ease, background .25s ease, color .25s ease;
  white-space: nowrap;
}
.btn-primary{ background: var(--gradient); color:#fff; box-shadow: var(--shadow); }
.btn-primary:hover{ transform: translateY(-3px); box-shadow: 0 22px 40px -16px rgba(0,0,0,.4); }
.btn-ghost{ background: rgba(255,255,255,.12); color:#fff; border-color: rgba(255,255,255,.5); backdrop-filter: blur(6px); }
.btn-ghost:hover{ background:#fff; color: var(--primary-dark); }
.btn-outline{ background:transparent; color: var(--primary); border-color: var(--primary); }
.btn-outline:hover{ background: var(--primary); color:#fff; }
.btn-block{ width:100%; }
.btn-header{ padding:11px 20px; font-size:.85rem; }

#nav-toggle{ display:none; flex-direction:column; gap:5px; background:none; border:none; cursor:pointer; padding:6px; }
#nav-toggle span{ width:24px; height:2px; background: var(--text); border-radius:2px; transition: all .3s ease; }

/* ===================== HERO ===================== */
.hero{
  position:relative; min-height: 100vh; display:flex; flex-direction:column; justify-content:center;
  overflow:hidden; padding-top: 110px;
}
.hero-video-wrap{ position:absolute; inset:0; z-index:0; }
.hero-video{ width:100%; height:100%; object-fit:cover; }
.hero-overlay{
  position:absolute; inset:0;
  background: linear-gradient(180deg, var(--overlay) 0%, rgba(6,12,10,.75) 60%, var(--bg) 100%);
}
:root[data-theme="dark"] .hero-overlay{
  background: linear-gradient(180deg, rgba(6,12,24,.6) 0%, rgba(5,10,20,.82) 60%, var(--bg) 100%);
}
.hero-content{ position:relative; z-index:3; color:#fff; padding-bottom: 40px; }
.hero-eyebrow{
  display:inline-block; padding:6px 16px; border-radius:999px; background: rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.35); font-size:.78rem; font-weight:700; letter-spacing:.06em; text-transform:uppercase;
  backdrop-filter: blur(6px); margin-bottom:22px;
}
.hero-title{
  font-family: var(--font-display); font-weight:600; font-size: clamp(2.4rem, 6vw, 4.4rem);
  line-height:1.08; margin:0 0 22px; max-width: 900px;
}
.hero-title em{ font-style:italic; color: var(--accent); }
.hero-subtitle{ font-size: clamp(1rem, 1.6vw, 1.2rem); max-width:600px; color: rgba(255,255,255,.88); margin:0 0 34px; }
.hero-cta{ display:flex; gap:16px; flex-wrap:wrap; }

.hero-stats{
  position:relative; z-index:3; display:grid; grid-template-columns: repeat(4,1fr);
  max-width:1240px; margin: 56px auto 0; padding: 0 24px; gap:20px;
}
.stat{ text-align:left; color:#fff; border-left:2px solid rgba(255,255,255,.3); padding-left:16px; }
.stat-num{ font-family: var(--font-display); font-size: clamp(1.8rem, 3vw, 2.6rem); font-weight:700; }
.stat-suffix{ font-family: var(--font-display); font-size: clamp(1.8rem, 3vw, 2.6rem); font-weight:700; }
.stat p{ margin:2px 0 0; font-size:.82rem; color: rgba(255,255,255,.75); }

.scroll-cue{
  position:absolute; bottom: 24px; left:50%; transform: translateX(-50%); z-index:3;
  width:26px; height:42px; border:2px solid rgba(255,255,255,.6); border-radius:14px;
}
.scroll-cue span{
  position:absolute; top:6px; left:50%; transform: translateX(-50%);
  width:4px; height:8px; background:#fff; border-radius:3px; animation: scrollcue 1.6s ease infinite;
}
@keyframes scrollcue{ 0%{ opacity:1; top:6px;} 70%{opacity:0; top:22px;} 100%{opacity:0; top:6px;} }

/* ===================== SECTIONS GENERIC ===================== */
.section{ padding: 110px 0; position:relative; z-index:1; background: var(--bg); }
.eyebrow{
  display:inline-block; font-size:.78rem; font-weight:800; letter-spacing:.1em; text-transform:uppercase;
  color: var(--primary); margin-bottom:14px;
}
.section h2{
  font-family: var(--font-display); font-size: clamp(1.9rem, 3.4vw, 2.7rem); line-height:1.18; margin:0 0 16px; font-weight:600;
}
.section-sub{ color: var(--text-soft); max-width:620px; margin:0 auto 50px; }
.center{ text-align:center; margin-left:auto; margin-right:auto; }

/* ===================== ABOUT ===================== */
.about{ background: var(--bg-soft); }
.about-grid{ display:grid; grid-template-columns: 1fr 1fr; gap:70px; align-items:center; }
.about-media{ position:relative; }
.curtain-wrap{ position:relative; overflow:hidden; border-radius:20px; box-shadow: var(--shadow); }
.curtain-wrap img{ width:100%; height:100%; object-fit:cover; display:block; }
.about-media .curtain-wrap{ aspect-ratio: 4/5; }
.about-media-badge{
  position:absolute; bottom:-24px; right:-24px; background: var(--gradient); color:#fff; padding:22px 26px;
  border-radius:16px; box-shadow: var(--shadow); font-family: var(--font-display); font-size:1.05rem; line-height:1.35;
}
.about-copy p{ color: var(--text-soft); line-height:1.75; }
.about-list{ margin: 24px 0 30px; display:flex; flex-direction:column; gap:12px; }
.about-list li{ display:flex; gap:10px; align-items:flex-start; font-weight:600; }
.check{
  flex:none; width:22px; height:22px; border-radius:50%; background: var(--gradient); color:#fff;
  display:flex; align-items:center; justify-content:center; font-size:.7rem;
}

/* ===================== PROJECTS ===================== */
.projects-grid{ display:grid; grid-template-columns: repeat(2, 1fr); gap:28px; margin-top:20px; }
.project-card .curtain-wrap, .project-card{ border-radius:20px; }
.project-card{ position:relative; }
.project-card .reveal-curtain-inner{ position:relative; aspect-ratio: 16/11; }
.project-card img{ width:100%; height:100%; object-fit:cover; transition: transform .6s ease; }
.project-card:hover img{ transform: scale(1.06); }
.project-tag{
  position:absolute; top:18px; left:18px; background: rgba(255,255,255,.92); color: var(--primary-dark);
  font-size:.72rem; font-weight:800; text-transform:uppercase; letter-spacing:.05em; padding:6px 14px; border-radius:999px;
}
.project-tag-done{ background: var(--primary); color:#fff; }
.project-info{
  position:absolute; left:0; right:0; bottom:0; padding: 22px;
  background: linear-gradient(0deg, rgba(4,10,6,.85) 0%, rgba(4,10,6,0) 100%);
  color:#fff;
}
:root[data-theme="dark"] .project-info{ background: linear-gradient(0deg, rgba(2,6,16,.9) 0%, rgba(2,6,16,0) 100%); }
.project-info h3{ font-family: var(--font-display); margin:0 0 4px; font-size:1.3rem; }
.project-info p{ margin:0 0 8px; font-size:.85rem; opacity:.85; }
.project-price{ font-weight:800; font-size:.95rem; color: var(--accent); }

/* ===================== PROCESS ===================== */
.process{ background: var(--bg-soft); }
.process-grid{ display:grid; grid-template-columns: repeat(4,1fr); gap:26px; margin-top:20px; }
.process-card{
  background: var(--surface); border:1px solid var(--border); border-radius:18px; padding:30px 24px;
  transition: transform .35s ease, box-shadow .35s ease;
}
.process-card:hover{ transform: translateY(-8px); box-shadow: var(--shadow); }
.process-num{ font-family: var(--font-display); font-size:2.2rem; color: var(--primary); opacity:.5; margin-bottom:10px; }
.process-card h3{ margin:0 0 10px; font-size:1.1rem; }
.process-card p{ margin:0; color: var(--text-soft); font-size:.92rem; line-height:1.6; }

/* ===================== GALLERY ===================== */
.gallery{ padding-bottom: 130px; }
.gallery-strip{ overflow:hidden; }
.gallery-track{ display:flex; gap:22px; padding: 0 24px; overflow-x:auto; scroll-snap-type:x proximity; }
.g-item{ flex:0 0 320px; scroll-snap-align:start; border-radius:16px; aspect-ratio: 4/3; }
.g-item .reveal-curtain-inner{ height:100%; }
.g-item img{ width:100%; height:100%; object-fit:cover; }

/* ===================== CONTACT ===================== */
.contact-grid{ display:grid; grid-template-columns: 1.1fr .9fr; gap:70px; align-items:start; }
.contact-copy p{ color: var(--text-soft); line-height:1.75; }
.contact-info{ margin-top:34px; display:flex; flex-direction:column; gap:18px; }
.contact-info div{ display:flex; flex-direction:column; gap:2px; }
.contact-info strong{ font-size:.78rem; text-transform:uppercase; letter-spacing:.06em; color: var(--primary); }
.contact-form{
  background: var(--surface); border:1px solid var(--border); border-radius:22px; padding:36px;
  box-shadow: var(--shadow);
}
.form-row{ margin-bottom:18px; }
.form-row label{ display:flex; flex-direction:column; gap:8px; font-size:.85rem; font-weight:700; color: var(--text-soft); }
.form-row input, .form-row select{
  font-family: var(--font-body); font-size: .95rem; padding: 13px 16px; border-radius:12px; border:1.5px solid var(--border);
  background: var(--bg); color: var(--text); outline:none; transition: border-color .25s ease;
}
.form-row input:focus, .form-row select:focus{ border-color: var(--primary); }
.form-note{ margin: 14px 0 0; font-size:.76rem; color: var(--text-soft); text-align:center; }

/* ===================== FOOTER ===================== */
.site-footer{ background: var(--bg-soft); border-top:1px solid var(--border); padding-top: 70px; }
.footer-inner{ display:grid; grid-template-columns: 1.4fr 1fr 1fr; gap:50px; padding-bottom: 50px; }
.footer-brand .brand-logo{ height:36px; margin-bottom:14px; }
.footer-brand p{ color: var(--text-soft); font-size:.9rem; max-width:280px; line-height:1.6; }
.footer-links h4{ font-size:.85rem; text-transform:uppercase; letter-spacing:.06em; margin:0 0 18px; color: var(--primary); }
.footer-links a{ display:block; margin-bottom:12px; color: var(--text-soft); font-size:.92rem; }
.footer-links a:hover{ color: var(--primary); }
.footer-bottom{ border-top:1px solid var(--border); padding: 20px 0; font-size:.8rem; color: var(--text-soft); }

/* ===================== WHATSAPP FLOAT ===================== */
.whatsapp-float{
  position:fixed; bottom:26px; right:26px; z-index:400; width:58px; height:58px; border-radius:50%;
  background:#25D366; color:#fff; display:flex; align-items:center; justify-content:center;
  box-shadow: 0 14px 30px -8px rgba(37,211,102,.6); animation: pulseWA 2.4s ease infinite;
}
@keyframes pulseWA{ 0%,100%{ box-shadow: 0 14px 30px -8px rgba(37,211,102,.6);} 50%{ box-shadow: 0 14px 40px -4px rgba(37,211,102,.9);} }

/* ===================== SCROLL REVEAL SYSTEM ===================== */
/* "Curtain wipe" reveal: no clip-path on the observed element itself (deadlocks IntersectionObserver).
   overflow:hidden wrapper + transform on inner child, wrapper stays observed & visible. */
.reveal-curtain-block{ position:relative; }
.reveal-curtain-block::after{
  content:""; position:absolute; inset:0; background: var(--gradient); z-index:2;
  transform-origin: bottom; transform: scaleY(1); transition: transform .9s cubic-bezier(.65,0,.15,1);
}
.reveal-curtain-block.in-view::after{ transform: scaleY(0); }
.reveal-curtain-block .reveal-curtain-inner{
  transform: scale(1.18); filter: saturate(.6) brightness(.85); transition: transform 1.1s cubic-bezier(.16,1,.3,1) .15s, filter 1.1s ease .15s;
}
.reveal-curtain-block.in-view .reveal-curtain-inner{ transform: scale(1); filter: saturate(1) brightness(1); }

.hero-title .reveal-curtain{ display:block; overflow:hidden; }
.hero-title .reveal-curtain-inner{ display:inline-block; transform: translateY(115%); transition: transform .9s cubic-bezier(.16,1,.3,1); }
.hero-title .reveal-curtain.in-view .reveal-curtain-inner{ transform: translateY(0); }

.reveal-fade{ opacity:0; transform: translateY(26px); transition: opacity .8s ease, transform .8s cubic-bezier(.16,1,.3,1); }
.reveal-fade.in-view{ opacity:1; transform: translateY(0); }
.delay-1{ transition-delay:.12s; }
.delay-2{ transition-delay:.24s; }
.delay-3{ transition-delay:.36s; }

@media (prefers-reduced-motion: reduce){
  .reveal-curtain-block::after,
  .reveal-curtain-block .reveal-curtain-inner,
  .hero-title .reveal-curtain-inner,
  .reveal-fade{ transition: none !important; transform:none !important; opacity:1 !important; }
}

/* ===================== RESPONSIVE ===================== */
@media (max-width: 980px){
  .about-grid, .contact-grid{ grid-template-columns: 1fr; gap:44px; }
  .process-grid{ grid-template-columns: repeat(2,1fr); }
  .projects-grid{ grid-template-columns: 1fr; }
  .footer-inner{ grid-template-columns: 1fr 1fr; }
  .hero-stats{ grid-template-columns: repeat(2,1fr); row-gap:28px; }
}

@media (max-width: 760px){
  .main-nav{
    position:fixed; top:0; right:0; height:100vh; width: min(78vw, 320px);
    background: var(--surface); flex-direction:column; padding: 100px 32px 40px; gap:26px;
    transform: translateX(100%); transition: transform .4s cubic-bezier(.16,1,.3,1);
    box-shadow: -20px 0 50px -20px rgba(0,0,0,.35); z-index:499;
  }
  .main-nav.open{ transform: translateX(0); }
  #nav-toggle{ display:flex; }
  #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); }
  .btn-header{ display:none; }
  .hero{ padding-top:96px; }
  .hero-stats{ grid-template-columns: 1fr 1fr; }
  .process-grid{ grid-template-columns: 1fr; }
  .footer-inner{ grid-template-columns: 1fr; gap:34px; }
  .about-media-badge{ right:12px; bottom:-18px; padding:16px 18px; font-size:.9rem; }
}

@media (max-width: 480px){
  .hero-cta{ flex-direction:column; align-items:stretch; }
  .hero-stats{ grid-template-columns: 1fr 1fr; }
  .contact-form{ padding:26px; }
}