/* ============================================================
   NEXA ENTERPRISE — Construction & Infrastructure
   Glassmorphic Navy & Gold Theme
   ============================================================ */

:root{
  --navy-950: #071427;
  --navy-900: #0A1F3D;
  --navy-800: #10294D;
  --navy-700: #163460;
  --navy-600: #1E4278;
  --navy-500: #2B5493;
  --gold-300: #F4CD6A;
  --gold-400: #E8B94A;
  --gold-500: #D9A438;
  --gold-600: #B9822A;
  --ivory-050: #FAF7F0;
  --ivory-100: #F3EEE1;
  --sand-100: #EDE6D6;
  --slate-600: #5B6B84;
  --slate-400: #8C9AB3;
  --white: #FFFFFF;

  --glass-bg: rgba(255,255,255,0.10);
  --glass-bg-strong: rgba(255,255,255,0.16);
  --glass-border: rgba(255,255,255,0.28);
  --glass-navy-bg: rgba(10,31,61,0.55);
  --glass-navy-border: rgba(232,185,74,0.25);

  --shadow-soft: 0 8px 32px rgba(10,31,61,0.14);
  --shadow-lift: 0 20px 50px rgba(10,31,61,0.22);
  --shadow-gold: 0 10px 30px rgba(217,164,56,0.35);

  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 28px;
  --radius-pill: 999px;

  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Manrope', 'Inter', -apple-system, sans-serif;
  --font-utility: 'Inter', -apple-system, sans-serif;

  --ease: cubic-bezier(0.22,1,0.36,1);
}

*{ box-sizing: border-box; margin:0; padding:0; }
html{ scroll-behavior:smooth; }
body{
  font-family: var(--font-body);
  color: var(--navy-900);
  background: var(--ivory-050);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img{ max-width:100%; display:block; }
a{ text-decoration:none; color:inherit; }
ul{ list-style:none; }
button{ font-family:inherit; cursor:pointer; border:none; background:none; }
section{ position: relative; }

::selection{ background: var(--gold-400); color: var(--navy-950); }

/* Focus visibility for accessibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline: 2px solid var(--gold-500);
  outline-offset: 3px;
  border-radius: 4px;
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

.container{
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 28px;
}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family: var(--font-utility);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 2.6px;
  text-transform: uppercase;
  color: var(--gold-600);
}
.eyebrow::before{
  content:"";
  width: 26px; height: 2px;
  background: linear-gradient(90deg,var(--gold-500),var(--gold-300));
  border-radius: 2px;
}
.eyebrow.on-dark{ color: var(--gold-300); }

.section-head{
  text-align:center;
  max-width: 680px;
  margin: 0 auto 56px;
}
.section-head h2{
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.4vw, 2.7rem);
  font-weight: 700;
  color: var(--navy-900);
  margin: 14px 0 16px;
  line-height: 1.22;
}
.section-head p{
  color: var(--slate-600);
  font-size: 1.03rem;
}
.section-head.on-dark h2{ color: var(--white); }
.section-head.on-dark p{ color: var(--slate-400); }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding: 15px 30px;
  border-radius: var(--radius-pill);
  font-family: var(--font-utility);
  font-weight: 700;
  font-size: 0.92rem;
  letter-spacing: 0.3px;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), background 0.35s var(--ease);
  white-space: nowrap;
}
.btn svg{ width:16px; height:16px; flex-shrink:0; }
.btn-gold{
  background: linear-gradient(135deg, var(--gold-300), var(--gold-600));
  color: var(--navy-950);
  box-shadow: var(--shadow-gold);
}
.btn-gold:hover{ transform: translateY(-3px); box-shadow: 0 16px 40px rgba(217,164,56,0.45); }

.btn-glass{
  background: var(--glass-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--glass-border);
  color: var(--white);
}
.btn-glass:hover{ background: var(--glass-bg-strong); transform: translateY(-3px); }

.btn-outline{
  border: 1.5px solid var(--navy-700);
  color: var(--navy-800);
  background: transparent;
}
.btn-outline:hover{ background: var(--navy-800); color: var(--white); transform: translateY(-3px); }

.btn-sm{ padding: 11px 22px; font-size: 0.82rem; }

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar{
  position: fixed;
  top: 18px; left: 0; right: 0;
  z-index: 999;
  transition: top 0.4s var(--ease);
}
.nav-inner{
  max-width: 1200px;
  margin: 0 auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 12px 22px;
  border-radius: var(--radius-pill);
  background: rgba(10,31,61,0.42);
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  border: 1px solid rgba(255,255,255,0.14);
  box-shadow: 0 10px 40px rgba(7,20,39,0.18);
  transition: background 0.4s var(--ease), padding 0.4s var(--ease);
}
.navbar.scrolled .nav-inner{
  background: rgba(10,31,61,0.72);
  padding: 8px 22px;
}
.nav-logo{ display:flex; align-items:center; gap:10px; }
.nav-logo svg{ height: 34px; width:auto; }
.nav-logo-text{ display:flex; flex-direction:column; line-height:1.05; }
.nav-logo-text .l1{ font-family: var(--font-display); font-weight:700; font-size:1.02rem; color:var(--white); letter-spacing:1px;}
.nav-logo-text .l2{ font-family: var(--font-utility); font-size:0.58rem; letter-spacing:3px; color: var(--gold-300); text-transform:uppercase;}

.nav-links{ display:flex; align-items:center; gap:34px; }
.nav-links a{
  font-family: var(--font-utility);
  font-size: 0.87rem;
  font-weight: 600;
  color: rgba(255,255,255,0.86);
  position: relative;
  padding: 6px 0;
  transition: color 0.3s;
}
.nav-links a::after{
  content:"";
  position:absolute; left:0; bottom:0;
  width:0; height:2px;
  background: var(--gold-400);
  transition: width 0.3s var(--ease);
  border-radius: 2px;
}
.nav-links a:hover{ color: var(--white); }
.nav-links a:hover::after{ width:100%; }

.nav-cta{ display:flex; align-items:center; gap:14px; }
.nav-phone{
  display:flex; align-items:center; gap:8px;
  color: var(--white); font-size:0.85rem; font-weight:600;
}
.nav-phone svg{ width:16px; height:16px; color: var(--gold-300); }

.nav-toggle{
  display:none;
  width: 40px; height:40px;
  align-items:center; justify-content:center;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 50%;
  flex-direction: column;
  gap:4px;
}
.nav-toggle span{ width:18px; height:2px; background:var(--white); border-radius:2px; transition: all 0.3s var(--ease); }
.nav-toggle.active span:nth-child(1){ transform: translateY(6px) rotate(45deg); }
.nav-toggle.active span:nth-child(2){ opacity:0; }
.nav-toggle.active span:nth-child(3){ transform: translateY(-6px) rotate(-45deg); }

.mobile-menu{
  position: fixed;
  top: 84px; left: 18px; right: 18px;
  z-index: 998;
  background: rgba(10,31,61,0.92);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--radius-md);
  padding: 26px;
  display:flex; flex-direction:column; gap:6px;
  transform: translateY(-16px);
  opacity:0;
  pointer-events:none;
  transition: all 0.35s var(--ease);
  box-shadow: var(--shadow-lift);
}
.mobile-menu.open{ transform:translateY(0); opacity:1; pointer-events:auto; }
.mobile-menu a{
  padding: 13px 10px;
  color: var(--white);
  font-weight:600;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  font-size:0.95rem;
}
.mobile-menu a:last-child{ border-bottom:none; }

/* ============================================================
   HERO
   ============================================================ */
.hero{
  position: relative;
  min-height: 100svh;
  display:flex;
  align-items:center;
  padding: 150px 0 110px;
  background:
    radial-gradient(ellipse 900px 500px at 15% 10%, rgba(232,185,74,0.14), transparent 60%),
    radial-gradient(ellipse 800px 700px at 90% 30%, rgba(43,84,147,0.35), transparent 60%),
    linear-gradient(160deg, var(--navy-950) 0%, var(--navy-900) 45%, var(--navy-800) 100%);
  overflow: hidden;
}
.hero-bg-grid{
  position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.045) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 40%, black 40%, transparent 90%);
}
.hero-crane{
  position:absolute;
  right: -40px; top: 8%;
  width: 46%;
  max-width: 620px;
  opacity: 0.9;
  animation: float-slow 9s ease-in-out infinite;
}
.hero-beam{
  position:absolute; left:-6%; bottom:-8%;
  width: 40%;
  max-width: 460px;
  opacity: 0.55;
}
@keyframes float-slow{
  0%,100%{ transform: translateY(0) rotate(0deg); }
  50%{ transform: translateY(-16px) rotate(0.6deg); }
}
.hero .container{
  position: relative;
  z-index: 3;
  display:grid;
  grid-template-columns: 1.05fr 0.7fr;
  gap: 50px;
  align-items:center;
}
.hero-copy .eyebrow{ margin-bottom: 22px; }
.hero-copy h1{
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4.1rem);
  line-height: 1.1;
  font-weight: 700;
  color: var(--white);
}
.hero-copy h1 .accent{
  display:block;
  background: linear-gradient(100deg, var(--gold-300), var(--gold-500) 60%, var(--gold-600));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-copy p{
  margin: 24px 0 34px;
  color: rgba(255,255,255,0.72);
  font-size: 1.08rem;
  max-width: 520px;
}
.hero-actions{ display:flex; gap:16px; flex-wrap:wrap; margin-bottom: 46px;}
.hero-stats{ display:flex; gap: 14px; flex-wrap:wrap; }
.hero-stat{
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 16px 22px;
  min-width: 128px;
}
.hero-stat b{
  font-family: var(--font-display);
  font-size: 1.7rem;
  color: var(--gold-300);
  display:block;
}
.hero-stat span{
  font-size: 0.75rem;
  color: rgba(255,255,255,0.65);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.hero-visual{ position:relative; }
.hero-card{
  position: relative;
  background: var(--glass-bg);
  backdrop-filter: blur(22px) saturate(140%);
  -webkit-backdrop-filter: blur(22px) saturate(140%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 30px;
  box-shadow: var(--shadow-lift);
}
.hero-card svg{ width:100%; height:auto; border-radius: var(--radius-md); }
.hero-badge{
  position:absolute;
  bottom: -26px; left: -26px;
  background: linear-gradient(135deg, var(--gold-300), var(--gold-600));
  color: var(--navy-950);
  border-radius: var(--radius-md);
  padding: 18px 22px;
  box-shadow: var(--shadow-gold);
  text-align:center;
  min-width: 108px;
}
.hero-badge b{ display:block; font-family: var(--font-display); font-size: 1.6rem; }
.hero-badge span{ font-size: 0.65rem; font-weight:700; letter-spacing:1px; text-transform:uppercase; }

.scroll-cue{
  position:absolute; bottom: 34px; left: 50%; transform: translateX(-50%);
  display:flex; flex-direction:column; align-items:center; gap:8px;
  color: rgba(255,255,255,0.55);
  font-size: 0.7rem; letter-spacing:2px; text-transform:uppercase;
  z-index:3;
}
.scroll-cue .line{ width:1px; height:34px; background: linear-gradient(var(--gold-400), transparent); animation: scroll-cue 2s ease-in-out infinite; }
@keyframes scroll-cue{ 0%{ transform: scaleY(0); transform-origin: top;} 50%{ transform: scaleY(1); transform-origin: top;} 51%{ transform-origin: bottom;} 100%{ transform: scaleY(0); transform-origin: bottom;} }

/* ============================================================
   MARQUEE STRIP (diagonal gold ribbon — echoes logo motif)
   ============================================================ */
.ribbon{
  background: linear-gradient(100deg, var(--gold-500), var(--gold-300) 45%, var(--gold-500));
  padding: 13px 0;
  transform: skewY(-1.4deg);
  margin: -34px 0 0;
  position: relative;
  z-index: 4;
  box-shadow: 0 10px 30px rgba(217,164,56,0.25);
}
.ribbon-track{
  display:flex;
  gap: 46px;
  white-space:nowrap;
  animation: marquee 26s linear infinite;
  transform: skewY(1.4deg);
}
.ribbon-track span{
  font-family: var(--font-utility);
  font-weight:800;
  font-size: 0.82rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--navy-950);
  display:flex; align-items:center; gap:10px;
}
.ribbon-track span::after{ content:"◆"; color: rgba(10,31,61,0.4); font-size:0.6rem; margin-left:46px; }
@keyframes marquee{ from{ transform: translateX(0) skewY(1.4deg);} to{ transform: translateX(-50%) skewY(1.4deg);} }

/* ============================================================
   PILLARS (glass cards over ivory)
   ============================================================ */
.pillars{
  background: var(--ivory-050);
  padding: 130px 0 100px;
}
.pillar-grid{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.pillar-card{
  position:relative;
  background: linear-gradient(160deg, rgba(255,255,255,0.9), rgba(255,255,255,0.55));
  border: 1px solid rgba(255,255,255,0.7);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-md);
  padding: 34px 26px;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease), border-color 0.4s;
  overflow:hidden;
}
.pillar-card::before{
  content:"";
  position:absolute; inset:0;
  background: linear-gradient(160deg, rgba(232,185,74,0.14), transparent 55%);
  opacity:0;
  transition: opacity 0.4s;
}
.pillar-card:hover{ transform: translateY(-10px); box-shadow: var(--shadow-lift); border-color: var(--gold-400); }
.pillar-card:hover::before{ opacity:1; }
.pillar-num{
  position:absolute; top:20px; right:24px;
  font-family: var(--font-display);
  font-size: 2.6rem;
  font-weight:700;
  color: var(--sand-100);
  z-index:0;
}
.pillar-icon{
  width: 54px; height:54px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--navy-700), var(--navy-900));
  display:flex; align-items:center; justify-content:center;
  margin-bottom: 20px;
  box-shadow: 0 8px 20px rgba(10,31,61,0.25);
  position:relative; z-index:1;
}
.pillar-icon svg{ width:26px; height:26px; color: var(--gold-300); }
.pillar-card h3{
  font-family: var(--font-display);
  font-size: 1.22rem;
  color: var(--navy-900);
  margin-bottom: 10px;
  position:relative; z-index:1;
}
.pillar-card p{
  font-size: 0.9rem;
  color: var(--slate-600);
  position:relative; z-index:1;
}
.pillar-tags{ display:flex; gap:8px; flex-wrap:wrap; margin-top:16px; position:relative; z-index:1;}
.pillar-tags span{
  font-size: 0.68rem;
  font-weight:700;
  letter-spacing:0.4px;
  padding: 5px 11px;
  border-radius: var(--radius-pill);
  background: var(--sand-100);
  color: var(--navy-700);
}

/* ============================================================
   SERVICES
   ============================================================ */
.services{
  background: linear-gradient(180deg, var(--ivory-050), var(--sand-100));
  padding: 100px 0;
}
.service-group{ margin-bottom: 54px; }
.service-group:last-child{ margin-bottom:0; }
.group-label{
  display:flex; align-items:center; gap:14px;
  margin-bottom: 26px;
}
.group-label .dot{ width:9px; height:9px; border-radius:50%; background: var(--gold-500); box-shadow: 0 0 0 4px rgba(217,164,56,0.2);}
.group-label h3{
  font-family: var(--font-utility);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--navy-700);
}
.group-label::after{ content:""; flex:1; height:1px; background: linear-gradient(90deg, rgba(43,84,147,0.25), transparent); }

.service-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.service-grid.cols-4{ grid-template-columns: repeat(4, 1fr); }
.service-card{
  background: rgba(255,255,255,0.55);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.8);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  transition: all 0.4s var(--ease);
}
.service-card:hover{
  background: rgba(255,255,255,0.85);
  transform: translateY(-6px);
  box-shadow: var(--shadow-soft);
}
.service-icon{
  width:46px; height:46px;
  border-radius:13px;
  background: var(--white);
  border: 1px solid var(--sand-100);
  display:flex; align-items:center; justify-content:center;
  margin-bottom:18px;
}
.service-icon svg{ width:22px; height:22px; color: var(--gold-600); }
.service-card h4{
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--navy-900);
  margin-bottom: 8px;
}
.service-card p{ font-size: 0.87rem; color: var(--slate-600); }

/* ============================================================
   WHY US / COMMITMENT
   ============================================================ */
.why-us{
  background: linear-gradient(165deg, var(--navy-950), var(--navy-800) 55%, var(--navy-700));
  padding: 120px 0;
  position:relative;
  overflow:hidden;
}
.why-us::before{
  content:"";
  position:absolute; inset:0;
  background: radial-gradient(ellipse 700px 500px at 85% 20%, rgba(232,185,74,0.12), transparent 60%);
}
.why-grid{
  position:relative; z-index:2;
  display:grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 70px;
  align-items:center;
}
.why-visual{ position:relative; }
.why-visual .glass-frame{
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(18px);
  border-radius: var(--radius-lg);
  padding: 16px;
  box-shadow: var(--shadow-lift);
}
.why-visual svg{ width:100%; border-radius: var(--radius-md); }
.why-badge{
  position:absolute; right:-24px; bottom:-24px;
  background: linear-gradient(135deg, var(--gold-300), var(--gold-600));
  color: var(--navy-950);
  border-radius: 50%;
  width: 118px; height:118px;
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  box-shadow: var(--shadow-gold);
  text-align:center;
}
.why-badge b{ font-family: var(--font-display); font-size: 1.9rem; line-height:1;}
.why-badge span{ font-size: 0.6rem; font-weight:800; letter-spacing:0.5px; text-transform:uppercase; margin-top:2px;}

.why-copy .eyebrow{ margin-bottom:16px; }
.why-copy h2{
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 3vw, 2.5rem);
  color: var(--white);
  line-height:1.25;
  margin-bottom: 16px;
}
.why-copy > p{ color: rgba(255,255,255,0.68); margin-bottom: 34px; max-width: 520px; }

.commitment{
  display:flex; gap:18px;
  padding: 20px 0;
  border-top: 1px solid rgba(255,255,255,0.12);
}
.commitment:last-child{ border-bottom: 1px solid rgba(255,255,255,0.12); }
.commitment-num{
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--gold-300);
  min-width: 44px;
}
.commitment h4{ color: var(--white); font-size: 1.02rem; margin-bottom:6px; font-weight:700; }
.commitment p{ color: rgba(255,255,255,0.62); font-size: 0.9rem; }

/* ============================================================
   CTA BAND
   ============================================================ */
.cta-band{
  padding: 90px 0;
  background: var(--ivory-050);
}
.cta-glass{
  position:relative;
  background: linear-gradient(135deg, rgba(232,185,74,0.16), rgba(43,84,147,0.14));
  border: 1px solid rgba(217,164,56,0.35);
  backdrop-filter: blur(14px);
  border-radius: var(--radius-lg);
  padding: 64px 40px;
  text-align:center;
  overflow:hidden;
}
.cta-glass::before{
  content:"";
  position:absolute; top:-40%; left:-10%;
  width: 60%; height: 200%;
  background: linear-gradient(100deg, transparent, rgba(255,255,255,0.5), transparent);
  transform: rotate(10deg);
  pointer-events:none;
}
.cta-glass h2{
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.2vw, 2.4rem);
  color: var(--navy-900);
  margin-bottom: 14px;
  position:relative;
}
.cta-glass p{ color: var(--slate-600); margin-bottom: 30px; position:relative; }
.cta-actions{ display:flex; gap:16px; justify-content:center; flex-wrap:wrap; position:relative; }
.cta-actions .btn-outline{ border-color: var(--navy-800); }

/* ============================================================
   CONTACT
   ============================================================ */
.contact{
  padding: 100px 0 110px;
  background: var(--ivory-050);
}
.contact-grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items:start;
}
.contact-info-card{
  background: rgba(255,255,255,0.6);
  border: 1px solid rgba(255,255,255,0.85);
  backdrop-filter: blur(12px);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-soft);
}
.contact-info-card h3{
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--navy-900);
  margin-bottom: 10px;
}
.contact-info-card > p{ color: var(--slate-600); margin-bottom: 30px; font-size:0.94rem; }
.contact-row{
  display:flex; align-items:flex-start; gap:16px;
  padding: 16px 0;
  border-top: 1px solid var(--sand-100);
}
.contact-row:first-of-type{ border-top:none; }
.contact-icon{
  width: 42px; height:42px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--navy-700), var(--navy-900));
  display:flex; align-items:center; justify-content:center;
  flex-shrink:0;
}
.contact-icon svg{ width:19px; height:19px; color: var(--gold-300); }
.contact-row h5{ font-size:0.72rem; text-transform:uppercase; letter-spacing:1px; color: var(--slate-600); margin-bottom:4px; font-weight:700; }
.contact-row a, .contact-row span{ color: var(--navy-900); font-weight:600; font-size:0.96rem; }
.contact-row a:hover{ color: var(--gold-600); }

.contact-form{
  background: linear-gradient(160deg, var(--navy-900), var(--navy-800));
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-lift);
}
.contact-form h3{ font-family: var(--font-display); color: var(--white); font-size:1.5rem; margin-bottom:8px; }
.contact-form > p{ color: rgba(255,255,255,0.6); font-size:0.9rem; margin-bottom:26px; }
.form-row{ display:grid; grid-template-columns: 1fr 1fr; gap:14px; margin-bottom:14px; }
.form-field{ display:flex; flex-direction:column; gap:7px; }
.form-field.full{ grid-column: 1 / -1; }
.form-field label{ font-size:0.72rem; letter-spacing:0.6px; text-transform:uppercase; color: var(--gold-300); font-weight:700; }
.form-field input, .form-field textarea{
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: var(--radius-sm);
  padding: 13px 15px;
  color: var(--white);
  font-family: var(--font-body);
  font-size:0.92rem;
  transition: border-color 0.3s, background 0.3s;
}
.form-field input::placeholder, .form-field textarea::placeholder{ color: rgba(255,255,255,0.35); }
.form-field input:focus, .form-field textarea:focus{ border-color: var(--gold-400); background: rgba(255,255,255,0.13); outline:none; }
.form-field textarea{ resize: vertical; min-height: 96px; }
.contact-form .btn-gold{ width:100%; margin-top:8px; padding: 16px; }
.form-note{ font-size:0.76rem; color: rgba(255,255,255,0.4); margin-top:12px; text-align:center; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer{
  background: linear-gradient(180deg, var(--navy-900), var(--navy-950));
  padding: 74px 0 0;
  position:relative;
  overflow:hidden;
}
.site-footer::before{
  content:"";
  position:absolute; inset:0;
  background: radial-gradient(ellipse 600px 400px at 10% 0%, rgba(232,185,74,0.08), transparent 60%);
}
.footer-grid{
  position:relative; z-index:2;
  display:grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 54px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand .nav-logo{ margin-bottom: 18px; }
.footer-brand p{ color: rgba(255,255,255,0.55); font-size:0.9rem; max-width: 320px; margin-bottom: 22px; }
.footer-social{ display:flex; gap:10px; }
.footer-social a{
  width: 38px; height:38px;
  border-radius:50%;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  display:flex; align-items:center; justify-content:center;
  transition: all 0.3s;
}
.footer-social a:hover{ background: var(--gold-500); border-color: var(--gold-500); transform: translateY(-3px); }
.footer-social svg{ width:16px; height:16px; color: var(--white); }

.footer-col h5{
  font-family: var(--font-utility);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  color: var(--gold-300);
  margin-bottom: 20px;
}
.footer-col ul{ display:flex; flex-direction:column; gap:12px; }
.footer-col a{ color: rgba(255,255,255,0.62); font-size:0.9rem; transition: color 0.3s, padding-left 0.3s; }
.footer-col a:hover{ color: var(--white); padding-left: 4px; }
.footer-col .contact-row{ border:none; padding: 0 0 14px; }
.footer-col .contact-row a, .footer-col .contact-row span{ color: rgba(255,255,255,0.7); font-weight:500; font-size:0.88rem; }
.footer-col .contact-icon{ width:34px; height:34px; background: var(--glass-bg); border:1px solid var(--glass-border); }
.footer-col .contact-icon svg{ width:15px; height:15px; }

.footer-bottom{
  position:relative; z-index:2;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 26px 0;
  flex-wrap:wrap;
  gap: 12px;
}
.footer-bottom p{ color: rgba(255,255,255,0.45); font-size: 0.82rem; }
.footer-bottom .credit{ color: rgba(255,255,255,0.45); }
.footer-bottom .credit a{
  color: var(--gold-300);
  font-weight:700;
  transition: color 0.3s;
}
.footer-bottom .credit a:hover{ color: var(--gold-200, #F7DFA0); text-decoration: underline; }

/* Back to top */
.back-to-top{
  position: fixed;
  right: 26px; bottom: 26px;
  width: 50px; height:50px;
  border-radius:50%;
  background: linear-gradient(135deg, var(--gold-300), var(--gold-600));
  display:flex; align-items:center; justify-content:center;
  box-shadow: var(--shadow-gold);
  z-index: 500;
  opacity:0; pointer-events:none;
  transform: translateY(14px);
  transition: all 0.4s var(--ease);
}
.back-to-top.visible{ opacity:1; pointer-events:auto; transform: translateY(0); }
.back-to-top svg{ width:20px; height:20px; color: var(--navy-950); }

/* Floating WhatsApp button */
.whatsapp-float{
  position: fixed;
  right: 26px; bottom: 88px;
  width: 56px; height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, #3ED67C, #1FA855);
  display:flex; align-items:center; justify-content:center;
  color: var(--white);
  box-shadow: 0 10px 30px rgba(31,168,85,0.45);
  z-index: 500;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
  animation: wa-pulse 2.6s ease-in-out infinite;
}
.whatsapp-float:hover{ transform: translateY(-4px) scale(1.05); box-shadow: 0 16px 40px rgba(31,168,85,0.55); }
@keyframes wa-pulse{
  0%, 100%{ box-shadow: 0 10px 30px rgba(31,168,85,0.45), 0 0 0 0 rgba(31,168,85,0.4); }
  50%{ box-shadow: 0 10px 30px rgba(31,168,85,0.45), 0 0 0 10px rgba(31,168,85,0); }
}
@media (max-width: 620px){
  .whatsapp-float{ right: 18px; bottom: 82px; width: 50px; height:50px; }
  .back-to-top{ right: 18px; bottom: 20px; }
}

/* Reveal animation */
.reveal{ opacity:0; transform: translateY(28px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
.reveal.in{ opacity:1; transform: translateY(0); }
.reveal-stagger > *{ opacity:0; transform: translateY(24px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal-stagger.in > *{ opacity:1; transform: translateY(0); }
.reveal-stagger.in > *:nth-child(1){ transition-delay: 0.05s; }
.reveal-stagger.in > *:nth-child(2){ transition-delay: 0.14s; }
.reveal-stagger.in > *:nth-child(3){ transition-delay: 0.23s; }
.reveal-stagger.in > *:nth-child(4){ transition-delay: 0.32s; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1080px){
  .pillar-grid{ grid-template-columns: repeat(2, 1fr); }
  .service-grid{ grid-template-columns: repeat(2, 1fr); }
  .service-grid.cols-4{ grid-template-columns: repeat(2, 1fr); }
  .why-grid{ grid-template-columns: 1fr; gap: 60px; }
  .contact-grid{ grid-template-columns: 1fr; }
}
@media (max-width: 900px){
  .nav-links, .nav-phone{ display:none; }
  .nav-toggle{ display:flex; }
  .hero .container{ grid-template-columns: 1fr; }
  .hero-visual{ display:none; }
  .hero{ padding-top: 130px; }
  .footer-grid{ grid-template-columns: 1fr 1fr; }
}
@media (max-width: 620px){
  .container{ padding: 0 18px; }
  .pillar-grid{ grid-template-columns: 1fr; }
  .service-grid, .service-grid.cols-4{ grid-template-columns: 1fr; }
  .footer-grid{ grid-template-columns: 1fr; }
  .form-row{ grid-template-columns: 1fr; }
  .footer-bottom{ flex-direction:column; text-align:center; }
  .hero-actions{ flex-direction:column; align-items:stretch; }
  .hero-stats{ justify-content:space-between; }
  .hero-stat{ min-width: 0; flex:1; }
  .cta-actions{ flex-direction:column; align-items:stretch; }
  .cta-glass{ padding: 44px 24px; }
}