/* =========================================================
   style.css – Uttam Solar Solution (Frontend)
   Modern responsive layout · SaaS-style UI
   ========================================================= */

/* Loading skeleton for API-driven sections */
.loading-placeholder {
  text-align: center;
  padding: 48px 24px;
  color: var(--mid);
  font-size: 0.95rem;
}
.loading-placeholder .spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--border);
  border-top-color: var(--green);
  border-radius: 50%;
  margin: 0 auto 16px;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Toast notifications (replaces Flask flash for SPA-style UX) */
.toast-container {
  position: fixed;
  top: 82px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 900;
  width: 90%;
  max-width: 560px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}
.toast {
  padding: 14px 20px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.9rem;
  box-shadow: 0 8px 30px rgba(0,0,0,.12);
  animation: slideDown .4s ease-out;
  pointer-events: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.toast-success { background: #d4edda; color: #155724; border: 1px solid #c3e6cb; }
.toast-error { background: #f8d7da; color: #721c24; border: 1px solid #f5c6cb; }
.toast-close {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  opacity: 0.6;
}
:root {
  --sun:         #F5A623;
  --sun-light:   #FFD166;
  --green:       #1A7A4A;
  --green-light: #2ECC71;
  --green-pale:  #E8F5EE;
  --sky:         #0B3D6B;
  --sky-light:   #E3F2FD;
  --white:       #FFFFFF;
  --off-white:   #F8FAFB;
  --dark:        #0D1B2A;
  --mid:         #3D5A73;
  --light-text:  #7A9BB5;
  --border:      rgba(11,61,107,0.1);
  --shadow:      0 20px 60px rgba(11,61,107,0.12);
  --shadow-sm:   0 4px 20px rgba(11,61,107,0.08);
  --radius:      16px;
  --radius-lg:   24px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'DM Sans',sans-serif;color:var(--dark);background:var(--white);overflow-x:hidden;line-height:1.6}
h1,h2,h3,h4{font-family:'Syne',sans-serif;line-height:1.15}
a{transition:color .2s}
img{max-width:100%;display:block}

/* Layout */
.container{max-width:1200px;margin:0 auto}
section{padding:90px 5%}
.center{text-align:center}
.center .section-sub{margin:0 auto}
.center .section-tag{justify-content:center}

/* Section Commons */
.section-tag{display:inline-flex;align-items:center;gap:8px;color:var(--green);font-weight:700;font-size:0.8rem;text-transform:uppercase;letter-spacing:2px;margin-bottom:14px}
.section-tag::before{content:'';width:24px;height:2px;background:var(--green);border-radius:2px}
.center .section-tag::before{display:none}
.section-title{font-size:clamp(1.8rem,3.5vw,2.8rem);color:var(--dark);margin-bottom:16px}
.section-title span{color:var(--green)}
.section-sub{font-size:1.05rem;color:var(--mid);max-width:600px;line-height:1.7}
.section-header{margin-bottom:56px}

/* Buttons */
.btn-outline{padding:9px 20px;border:2px solid var(--green);color:var(--green);border-radius:50px;font-weight:600;font-size:0.85rem;text-decoration:none;transition:all .2s;cursor:pointer;background:none;font-family:'DM Sans',sans-serif}
.btn-outline:hover{background:var(--green);color:white}
.btn-solid{padding:9px 22px;background:var(--green);color:white;border-radius:50px;font-weight:600;font-size:0.85rem;text-decoration:none;transition:all .2s;border:none;cursor:pointer;font-family:'DM Sans',sans-serif;box-shadow:0 4px 15px rgba(26,122,74,.35)}
.btn-solid:hover{background:#15633c;transform:translateY(-1px)}
.btn-hero-primary{padding:14px 32px;background:linear-gradient(135deg,var(--sun),#e5920a);color:white;border-radius:50px;font-weight:700;font-size:1rem;text-decoration:none;transition:all .3s;box-shadow:0 8px 25px rgba(245,166,35,.4);font-family:'Syne',sans-serif;display:inline-flex;align-items:center;gap:8px}
.btn-hero-primary:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(245,166,35,.5)}
.btn-hero-secondary{padding:14px 32px;background:rgba(255,255,255,.12);border:1.5px solid rgba(255,255,255,.3);color:white;border-radius:50px;font-weight:600;font-size:1rem;text-decoration:none;transition:all .3s;font-family:'Syne',sans-serif;display:inline-flex;align-items:center;gap:8px}
.btn-hero-secondary:hover{background:rgba(255,255,255,.2);transform:translateY(-2px)}

/* NAVBAR */
nav{position:fixed;top:0;left:0;right:0;z-index:1000;padding:0 5%;background:rgba(255,255,255,.95);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;height:72px;transition:box-shadow .3s}
nav.scrolled{box-shadow:var(--shadow-sm)}
.nav-logo{display:flex;align-items:center;gap:10px;text-decoration:none}
.nav-logo-icon{width:42px;height:42px;background:linear-gradient(135deg,var(--sun),var(--green));border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:22px}
.nav-logo-text{font-family:'Syne',sans-serif;font-weight:800;font-size:1.1rem;color:var(--sky)}
.nav-logo-text span{color:var(--green)}
.nav-links{display:flex;gap:32px;list-style:none}
.nav-links a{text-decoration:none;color:var(--mid);font-weight:500;font-size:0.9rem;transition:color .2s;position:relative}
.nav-links a:hover,.nav-links a.active{color:var(--green)}
.nav-links a.active::after{content:'';position:absolute;bottom:-4px;left:0;right:0;height:2px;background:var(--green);border-radius:2px}
.nav-cta{display:flex;gap:10px;align-items:center}
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:5px;background:none;border:none}
.hamburger span{width:24px;height:2px;background:var(--sky);border-radius:2px;display:block}

/* Mobile Nav */
.mobile-nav{display:none;position:fixed;inset:0;z-index:999;background:white;flex-direction:column;align-items:center;justify-content:center;gap:28px}
.mobile-nav.open{display:flex}
.mobile-nav a{font-size:1.3rem;font-family:'Syne',sans-serif;font-weight:700;color:var(--dark);text-decoration:none}
.mobile-nav a:hover{color:var(--green)}
.mobile-nav-call{padding:12px 32px;background:var(--green)!important;color:white!important;border-radius:50px;font-size:1rem!important}
.mobile-nav-close{position:absolute;top:24px;right:24px;font-size:1.5rem;cursor:pointer;color:var(--mid);background:none;border:none;font-family:inherit}

/* Flash */
.flash-container{position:fixed;top:82px;left:50%;transform:translateX(-50%);z-index:900;width:90%;max-width:600px;display:flex;flex-direction:column;gap:8px}
.flash{padding:14px 20px;border-radius:12px;font-weight:600;font-size:0.9rem;display:flex;justify-content:space-between;align-items:center;gap:12px;box-shadow:0 8px 30px rgba(0,0,0,.12);animation:slideDown .4s ease-out}
@keyframes slideDown{from{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}
.flash-success{background:#d4edda;color:#155724;border:1px solid #c3e6cb}
.flash-error{background:#f8d7da;color:#721c24;border:1px solid #f5c6cb}
.flash-close{background:none;border:none;cursor:pointer;font-size:1rem;opacity:.6;flex-shrink:0}

/* HERO */
#hero{min-height:100vh;background:linear-gradient(160deg,#0B3D6B 0%,#0D2137 40%,#0B3D6B 100%);position:relative;overflow:hidden;display:flex;align-items:center;padding-top:72px}
.hero-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:60px 60px}
.hero-sun{position:absolute;top:-120px;right:-80px;width:500px;height:500px;border-radius:50%;background:radial-gradient(circle,rgba(245,166,35,.3) 0%,rgba(245,166,35,.1) 50%,transparent 70%);animation:pulse 4s ease-in-out infinite}
@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.05)}}
.hero-content{width:90%;max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;position:relative;z-index:2;padding:80px 0}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(245,166,35,.15);border:1px solid rgba(245,166,35,.3);color:var(--sun-light);padding:6px 16px;border-radius:50px;font-size:0.8rem;font-weight:600;letter-spacing:.5px;margin-bottom:24px}
.hero-badge span{width:8px;height:8px;background:var(--sun);border-radius:50%;animation:blink 1.5s infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.3}}
.hero-h1{font-size:clamp(2.2rem,4.5vw,3.8rem);color:white;margin-bottom:20px;font-weight:800}
.hero-h1 em{font-style:normal;color:var(--sun-light)}
.hero-sub{font-size:1.05rem;color:rgba(255,255,255,.72);margin-bottom:36px;max-width:500px;line-height:1.7}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:48px}
.hero-stats{display:flex;gap:32px;flex-wrap:wrap}
.hero-stat-num{font-family:'Syne',sans-serif;font-size:2rem;font-weight:800;color:var(--sun-light)}
.hero-stat-label{font-size:0.78rem;color:rgba(255,255,255,.55);text-transform:uppercase;letter-spacing:1px}
.hero-visual{display:flex;flex-direction:column;gap:16px}
.hero-card{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);border-radius:var(--radius);padding:20px 24px;backdrop-filter:blur(8px);animation:floatUp .8s ease-out both}
.hero-card:nth-child(2){animation-delay:.15s;margin-left:40px}
.hero-card:nth-child(3){animation-delay:.3s}
@keyframes floatUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
.hero-card-label{font-size:0.75rem;color:rgba(255,255,255,.5);text-transform:uppercase;letter-spacing:1px;margin-bottom:8px}
.hero-card-val{font-family:'Syne',sans-serif;font-size:1.6rem;font-weight:800;color:white}
.hero-card-val span{color:var(--green-light)}
.hero-card-sub{font-size:0.82rem;color:rgba(255,255,255,.6);margin-top:4px}
.hero-card-row{display:flex;align-items:center;gap:14px}
.hero-card-icon{font-size:2rem}

/* TRUST BAR */
#trust{background:var(--sky);padding:24px 5%;display:flex;align-items:center;justify-content:center;gap:48px;flex-wrap:wrap}
.trust-item{display:flex;align-items:center;gap:10px;color:rgba(255,255,255,.85)}
.trust-item-icon{font-size:1.4rem}
.trust-item-text{font-size:0.85rem;font-weight:500}
.trust-divider{width:1px;height:30px;background:rgba(255,255,255,.2)}

/* ABOUT */
#about{background:var(--off-white)}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
.about-img-bg{background:linear-gradient(145deg,var(--sky),var(--green));border-radius:var(--radius-lg);aspect-ratio:4/3;display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:5rem;gap:16px}
.about-img-text{color:white;font-family:'Syne',sans-serif;font-weight:800;font-size:1.2rem}
.about-img-wrap{position:relative}
.about-badge{position:absolute;bottom:-16px;right:-16px;background:var(--sun);color:white;border-radius:12px;padding:16px 20px;text-align:center;box-shadow:0 10px 30px rgba(245,166,35,.4)}
.about-badge-num{font-family:'Syne',sans-serif;font-size:2rem;font-weight:800;display:block}
.about-badge-text{font-size:0.75rem;opacity:.9}
.about-features{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:32px}
.about-feature{display:flex;gap:12px;align-items:flex-start;background:white;border-radius:12px;padding:16px;border:1px solid var(--border)}
.about-feature-icon{font-size:1.4rem;flex-shrink:0}
.about-feature-title{font-weight:700;font-size:0.9rem;margin-bottom:2px;color:var(--dark)}
.about-feature-sub{font-size:0.78rem;color:var(--mid)}
.gst-badge{display:flex;align-items:center;gap:12px;background:var(--sky-light);border:1px solid rgba(11,61,107,.15);border-radius:10px;padding:12px 16px;margin-top:20px}
.gst-badge-icon{font-size:1.5rem}
.gst-badge-text{font-size:0.8rem;color:var(--sky)}
.gst-badge-num{font-weight:700;font-size:0.85rem;color:var(--sky);display:block}

/* SERVICES */
#services{background:white}
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.service-card{border:1px solid var(--border);border-radius:var(--radius-lg);padding:32px 28px;transition:all .3s;position:relative;overflow:hidden;background:white}
.service-card::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--green),var(--sky));transform:scaleX(0);transform-origin:left;transition:transform .3s}
.service-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.service-card:hover::before{transform:scaleX(1)}
.service-icon{width:64px;height:64px;border-radius:16px;background:var(--green-pale);display:flex;align-items:center;justify-content:center;font-size:1.8rem;margin-bottom:20px}
.service-title{font-size:1.15rem;font-weight:700;margin-bottom:10px;color:var(--dark)}
.service-desc{font-size:0.88rem;color:var(--mid);line-height:1.65;margin-bottom:20px}
.service-link{color:var(--green);font-weight:600;font-size:0.85rem;text-decoration:none;display:flex;align-items:center;gap:6px;transition:gap .2s}
.service-link:hover{gap:10px}

/* WHY US */
#why{background:var(--sky);position:relative;overflow:hidden}
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.why-card{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);border-radius:var(--radius);padding:28px 24px;transition:all .3s}
.why-card:hover{background:rgba(255,255,255,.14);transform:translateY(-4px)}
.why-num{font-family:'Syne',sans-serif;font-size:2.5rem;font-weight:800;color:rgba(245,166,35,.3);margin-bottom:4px}
.why-title{font-family:'Syne',sans-serif;font-weight:700;font-size:1.05rem;color:white;margin-bottom:8px}
.why-desc{font-size:0.85rem;color:rgba(255,255,255,.65);line-height:1.65}
#why .section-title{color:white}
#why .section-sub{color:rgba(255,255,255,.7)}
#why .section-tag{color:var(--sun-light)}
#why .section-tag::before{background:var(--sun-light)}

/* GOVT SCHEME */
#scheme{background:linear-gradient(135deg,var(--green-pale),#dff0ea)}
.scheme-wrap{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;background:white;border-radius:var(--radius-lg);padding:48px;box-shadow:var(--shadow-sm)}
.scheme-tag{display:inline-flex;align-items:center;gap:8px;background:rgba(26,122,74,.1);color:var(--green);padding:6px 14px;border-radius:50px;font-size:0.78rem;font-weight:700;margin-bottom:20px}
.scheme-title{font-size:1.8rem;font-weight:800;color:var(--dark);margin-bottom:14px}
.scheme-title span{color:var(--green)}
.scheme-desc{color:var(--mid);margin-bottom:28px;line-height:1.7}
.scheme-benefits{display:flex;flex-direction:column;gap:14px;margin-bottom:32px}
.scheme-benefit{display:flex;gap:12px;align-items:center}
.scheme-benefit-dot{width:36px;height:36px;border-radius:50%;background:var(--green-pale);display:flex;align-items:center;justify-content:center;font-size:1rem;flex-shrink:0}
.scheme-benefit-text{font-weight:600;color:var(--dark);font-size:0.95rem}
.scheme-visual{background:linear-gradient(145deg,var(--sky),#0a5c3f);border-radius:var(--radius-lg);padding:40px;display:flex;flex-direction:column;gap:20px}
.scheme-stat{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);border-radius:12px;padding:20px;color:white}
.scheme-stat-val{font-family:'Syne',sans-serif;font-size:2.2rem;font-weight:800;color:var(--sun-light)}
.scheme-stat-label{font-size:0.82rem;color:rgba(255,255,255,.65);margin-top:4px}

/* CALCULATOR */
#calculator{background:var(--off-white)}
.calc-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.calc-card{background:white;border-radius:var(--radius-lg);padding:40px;box-shadow:var(--shadow-sm);border:1px solid var(--border)}
.calc-label{font-weight:600;font-size:0.9rem;color:var(--dark);margin-bottom:8px;display:block}
.calc-slider{width:100%;margin-bottom:24px;accent-color:var(--green)}
.calc-result{background:linear-gradient(135deg,var(--sky),var(--green));border-radius:var(--radius-lg);padding:40px;color:white;text-align:center}
.calc-result-title{font-size:0.9rem;color:rgba(255,255,255,.7);margin-bottom:12px;text-transform:uppercase;letter-spacing:1px}
.calc-result-value{font-family:'Syne',sans-serif;font-size:3.5rem;font-weight:800;color:var(--sun-light);line-height:1}
.calc-result-unit{font-size:0.9rem;color:rgba(255,255,255,.6);margin-top:8px}
.calc-result-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:28px}
.calc-stat{background:rgba(255,255,255,.12);border-radius:10px;padding:16px}
.calc-stat-val{font-family:'Syne',sans-serif;font-size:1.4rem;font-weight:800;color:white}
.calc-stat-label{font-size:0.75rem;color:rgba(255,255,255,.6);margin-top:4px}

/* PROJECTS */
.filter-tabs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:40px;justify-content:center}
.filter-tab{padding:8px 20px;border-radius:50px;border:1.5px solid var(--border);background:white;color:var(--mid);font-weight:600;font-size:0.85rem;cursor:pointer;transition:all .2s;text-decoration:none;font-family:'DM Sans',sans-serif}
.filter-tab:hover,.filter-tab.active{background:var(--green);color:white;border-color:var(--green)}
.projects-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.project-card{border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;transition:all .3s;background:white}
.project-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.project-visual{height:180px;display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:4rem;position:relative}
.project-visual.res{background:linear-gradient(135deg,#e8f5ee,#c8e6d4)}
.project-visual.com{background:linear-gradient(135deg,#e3f2fd,#bbdefb)}
.project-visual.ind{background:linear-gradient(135deg,#fff3e0,#ffe0b2)}
.project-tag{position:absolute;top:12px;right:12px;background:white;border-radius:20px;padding:4px 12px;font-size:0.72rem;font-weight:700;color:var(--green)}
.project-body{padding:24px}
.project-title{font-size:1rem;font-weight:700;color:var(--dark);margin-bottom:8px}
.project-meta{display:flex;gap:16px;margin-bottom:12px;flex-wrap:wrap}
.project-meta-item{display:flex;align-items:center;gap:5px;font-size:0.78rem;color:var(--mid)}
.project-desc{font-size:0.83rem;color:var(--mid);line-height:1.6}
.project-capacity{display:inline-block;background:var(--green-pale);color:var(--green);border-radius:20px;padding:4px 12px;font-size:0.78rem;font-weight:700;margin-top:12px}

/* TESTIMONIALS */
#testimonials{background:var(--off-white)}
.testi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.testi-card{background:white;border-radius:var(--radius-lg);padding:28px;border:1px solid var(--border);transition:all .3s}
.testi-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-sm)}
.testi-stars{color:var(--sun);font-size:1rem;margin-bottom:16px;letter-spacing:2px}
.testi-text{font-size:0.9rem;color:var(--mid);line-height:1.7;margin-bottom:20px;font-style:italic}
.testi-author{display:flex;align-items:center;gap:12px}
.testi-avatar{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,var(--sky),var(--green));display:flex;align-items:center;justify-content:center;color:white;font-family:'Syne',sans-serif;font-weight:700;font-size:0.9rem;flex-shrink:0}
.testi-name{font-weight:700;font-size:0.9rem;color:var(--dark)}
.testi-location{font-size:0.78rem;color:var(--mid)}
.testi-service{font-size:0.72rem;color:var(--green);font-weight:600;margin-top:2px}

/* CTA BANNER */
#cta-banner{background:linear-gradient(135deg,var(--green),var(--sky));padding:64px 5%;text-align:center}
.cta-banner-title{font-size:clamp(1.8rem,3.5vw,2.6rem);color:white;font-weight:800;margin-bottom:14px}
.cta-banner-sub{color:rgba(255,255,255,.8);font-size:1.05rem;margin-bottom:32px}
.cta-banner-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.btn-cta-white{padding:14px 32px;background:white;color:var(--green);border-radius:50px;font-weight:700;font-size:1rem;text-decoration:none;transition:all .3s;font-family:'Syne',sans-serif;display:inline-flex;align-items:center;gap:8px}
.btn-cta-white:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(0,0,0,.2)}
.btn-cta-ghost{padding:14px 32px;background:rgba(255,255,255,.12);border:1.5px solid rgba(255,255,255,.4);color:white;border-radius:50px;font-weight:600;font-size:1rem;text-decoration:none;transition:all .3s;font-family:'Syne',sans-serif;display:inline-flex;align-items:center;gap:8px}
.btn-cta-ghost:hover{background:rgba(255,255,255,.2);transform:translateY(-2px)}

/* CONTACT */
#contact{background:var(--off-white)}
.contact-grid{display:grid;grid-template-columns:1fr 1.5fr;gap:48px;align-items:start}
.contact-info-card{background:white;border-radius:var(--radius-lg);padding:36px;border:1px solid var(--border)}
.contact-info-title{font-size:1.3rem;font-weight:800;color:var(--dark);margin-bottom:8px}
.contact-info-sub{font-size:0.88rem;color:var(--mid);margin-bottom:28px}
.contact-detail{display:flex;gap:16px;margin-bottom:24px}
.contact-detail-icon{width:44px;height:44px;border-radius:10px;background:var(--green-pale);display:flex;align-items:center;justify-content:center;font-size:1.2rem;flex-shrink:0}
.contact-detail-label{font-size:0.75rem;color:var(--mid);text-transform:uppercase;letter-spacing:1px;margin-bottom:4px}
.contact-detail-val{font-weight:600;font-size:0.9rem;color:var(--dark)}
.wa-btn{display:flex;align-items:center;gap:10px;background:#25D366;color:white;padding:12px 20px;border-radius:10px;text-decoration:none;font-weight:700;font-size:0.9rem;margin-top:20px;transition:all .2s}
.wa-btn:hover{background:#1da855;transform:translateY(-2px)}
.contact-form-card{background:white;border-radius:var(--radius-lg);padding:36px;box-shadow:var(--shadow-sm);border:1px solid var(--border)}
.form-title{font-size:1.3rem;font-weight:800;color:var(--dark);margin-bottom:24px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-group{margin-bottom:16px}
.form-group label{display:block;font-size:0.8rem;font-weight:600;color:var(--dark);margin-bottom:6px}
.form-group input,.form-group select,.form-group textarea{width:100%;padding:12px 16px;border:1.5px solid var(--border);border-radius:10px;font-family:'DM Sans',sans-serif;font-size:0.9rem;color:var(--dark);background:white;outline:none;transition:border-color .2s;resize:none}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--green)}
.form-group input.error{border-color:#e74c3c}
.btn-submit{width:100%;padding:14px;background:var(--green);color:white;border:none;border-radius:10px;font-weight:700;font-size:1rem;cursor:pointer;font-family:'Syne',sans-serif;transition:all .3s;box-shadow:0 6px 20px rgba(26,122,74,.3)}
.btn-submit:hover{background:#15633c;transform:translateY(-2px)}

/* MAP */
.map-embed{width:100%;height:350px;border:none;display:block}

/* PAGE HERO */
.page-hero{background:linear-gradient(160deg,#0B3D6B,#0D2137);padding:130px 5% 70px;text-align:center;position:relative;overflow:hidden}
.page-hero::before{content:'';position:absolute;top:-80px;right:-80px;width:400px;height:400px;border-radius:50%;background:radial-gradient(circle,rgba(245,166,35,.2),transparent 70%)}
.page-hero-tag{color:var(--sun-light);font-weight:700;font-size:0.8rem;text-transform:uppercase;letter-spacing:2px;margin-bottom:14px}
.page-hero-title{font-size:clamp(2rem,4vw,3.2rem);color:white;font-weight:800;margin-bottom:16px}
.page-hero-title span{color:var(--sun-light)}
.page-hero-sub{color:rgba(255,255,255,.72);font-size:1.05rem;max-width:600px;margin:0 auto;line-height:1.7}
.breadcrumb{display:flex;gap:8px;align-items:center;justify-content:center;margin-top:20px}
.breadcrumb a{color:rgba(255,255,255,.5);text-decoration:none;font-size:0.82rem}
.breadcrumb a:hover{color:white}
.breadcrumb-sep{color:rgba(255,255,255,.3);font-size:0.82rem}
.breadcrumb-cur{color:var(--sun-light);font-size:0.82rem;font-weight:600}

/* FOOTER */
footer{background:var(--dark);color:rgba(255,255,255,.75);padding:64px 5% 32px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;gap:48px;margin-bottom:48px}
.footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:16px;text-decoration:none}
.footer-logo-icon{width:40px;height:40px;border-radius:10px;background:linear-gradient(135deg,var(--sun),var(--green));display:flex;align-items:center;justify-content:center;font-size:20px}
.footer-logo-text{font-family:'Syne',sans-serif;font-weight:800;color:white;font-size:1rem}
.footer-desc{font-size:0.85rem;line-height:1.7;margin-bottom:20px}
.footer-social{display:flex;gap:10px}
.social-btn{width:36px;height:36px;border-radius:8px;background:rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;font-size:1rem;text-decoration:none;transition:background .2s}
.social-btn:hover{background:var(--green)}
.footer-col-title{font-family:'Syne',sans-serif;font-weight:700;color:white;font-size:0.95rem;margin-bottom:18px}
.footer-links{list-style:none;display:flex;flex-direction:column;gap:10px}
.footer-links a{text-decoration:none;color:rgba(255,255,255,.6);font-size:0.85rem;transition:color .2s}
.footer-links a:hover{color:var(--green-light)}
.footer-contact-item{display:flex;gap:10px;margin-bottom:12px;font-size:0.85rem}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:24px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;font-size:0.8rem;color:rgba(255,255,255,.4)}

/* FLOATING BUTTONS */
.floating-btns{position:fixed;bottom:24px;right:24px;z-index:999;display:flex;flex-direction:column;gap:12px;align-items:flex-end}
.float-btn{display:flex;align-items:center;gap:10px;padding:12px 20px;border-radius:50px;font-weight:700;font-size:0.85rem;text-decoration:none;box-shadow:0 6px 24px rgba(0,0,0,.25);transition:all .3s;color:white;font-family:'DM Sans',sans-serif}
.float-whatsapp{background:#25D366}
.float-whatsapp:hover{transform:scale(1.05)}
.float-call{background:var(--sky)}
.float-call:hover{transform:scale(1.05)}

/* ADMIN */
.admin-body{background:#f1f5f9;min-height:100vh;font-family:'DM Sans',sans-serif}
.admin-nav{background:var(--sky);color:white;padding:0 32px;display:flex;align-items:center;justify-content:space-between;height:60px}
.admin-nav-brand{font-family:'Syne',sans-serif;font-weight:800;font-size:1.1rem}
.admin-nav-links{display:flex;gap:24px}
.admin-nav-links a{color:rgba(255,255,255,.8);text-decoration:none;font-size:0.9rem;transition:color .2s}
.admin-nav-links a:hover{color:white}
.admin-container{max-width:1200px;margin:0 auto;padding:32px 24px}
.admin-page-title{font-family:'Syne',sans-serif;font-size:1.6rem;font-weight:800;color:var(--dark);margin-bottom:8px}
.admin-page-sub{color:var(--mid);font-size:0.9rem;margin-bottom:28px}
.admin-stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:32px}
.admin-stat-card{background:white;border-radius:12px;padding:24px;border:1px solid var(--border);text-align:center}
.admin-stat-val{font-family:'Syne',sans-serif;font-size:2.2rem;font-weight:800;color:var(--sky)}
.admin-stat-label{font-size:0.82rem;color:var(--mid);margin-top:4px}
.admin-table-wrap{background:white;border-radius:12px;border:1px solid var(--border);overflow:hidden}
.admin-table-header{padding:16px 24px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}
.admin-table-title{font-weight:700;font-size:1rem;color:var(--dark)}
.admin-filters{display:flex;gap:8px}
.admin-filter-btn{padding:6px 14px;border-radius:20px;border:1px solid var(--border);background:white;color:var(--mid);font-size:0.8rem;text-decoration:none;transition:all .2s;font-family:'DM Sans',sans-serif}
.admin-filter-btn:hover,.admin-filter-btn.active{background:var(--sky);color:white;border-color:var(--sky)}
table{width:100%;border-collapse:collapse}
th{background:#f8fafc;padding:12px 16px;text-align:left;font-size:0.75rem;font-weight:700;color:var(--mid);text-transform:uppercase;letter-spacing:1px;border-bottom:1px solid var(--border)}
td{padding:14px 16px;border-bottom:1px solid #f1f5f9;font-size:0.875rem;color:var(--dark)}
tr:hover td{background:#f8fafc}
.status-badge{display:inline-block;padding:3px 10px;border-radius:20px;font-size:0.72rem;font-weight:700}
.status-new{background:#dbeafe;color:#1e40af}
.status-contacted{background:#fef3c7;color:#92400e}
.status-converted{background:#d1fae5;color:#065f46}
.admin-form-wrap{background:white;border-radius:12px;border:1px solid var(--border);padding:28px;margin-bottom:28px}
.admin-form-title{font-weight:700;font-size:1rem;margin-bottom:20px;color:var(--dark)}
.admin-form-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.admin-input{width:100%;padding:10px 14px;border:1.5px solid var(--border);border-radius:8px;font-family:'DM Sans',sans-serif;font-size:0.9rem;color:var(--dark);outline:none;transition:border-color .2s}
.admin-input:focus{border-color:var(--sky)}
.admin-label{display:block;font-size:0.78rem;font-weight:600;color:var(--mid);margin-bottom:5px}
.admin-submit{padding:10px 24px;background:var(--sky);color:white;border:none;border-radius:8px;font-weight:700;cursor:pointer;font-family:'DM Sans',sans-serif;transition:all .2s;margin-top:16px}
.admin-submit:hover{background:#0a3258}
.admin-delete{padding:5px 12px;background:#fee2e2;color:#dc2626;border:none;border-radius:6px;font-size:0.78rem;font-weight:600;cursor:pointer;font-family:'DM Sans',sans-serif}
.admin-delete:hover{background:#dc2626;color:white}
.pagination{display:flex;gap:8px;padding:16px;justify-content:center}
.page-link{padding:6px 14px;border-radius:8px;border:1px solid var(--border);color:var(--mid);text-decoration:none;font-size:0.85rem;transition:all .2s}
.page-link:hover,.page-link.active{background:var(--sky);color:white;border-color:var(--sky)}

/* ANIMATIONS */
.fade-in{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
.fade-in.visible{opacity:1;transform:translateY(0)}

/* 404 */
.not-found{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:40px;background:var(--off-white)}
.not-found-num{font-family:'Syne',sans-serif;font-size:8rem;font-weight:800;color:var(--green);line-height:1}
.not-found-title{font-size:1.6rem;font-weight:700;margin:16px 0 8px}
.not-found-sub{color:var(--mid);margin-bottom:32px}

/* RESPONSIVE */
@media(max-width:900px){
  .nav-links,.nav-cta .btn-outline{display:none}
  .hamburger{display:flex}
  .hero-content{grid-template-columns:1fr;text-align:center;padding:60px 0}
  .hero-btns{justify-content:center}
  .hero-stats{justify-content:center}
  .hero-visual{display:none}
  #trust{gap:24px}
  .trust-divider{display:none}
  .about-grid{grid-template-columns:1fr}
  .about-img-wrap{display:none}
  .about-features{grid-template-columns:1fr}
  .services-grid{grid-template-columns:1fr}
  .why-grid{grid-template-columns:1fr}
  .calc-grid{grid-template-columns:1fr}
  .projects-grid{grid-template-columns:1fr 1fr}
  .testi-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .scheme-wrap{grid-template-columns:1fr;padding:28px}
  .admin-stats-grid{grid-template-columns:repeat(2,1fr)}
  .admin-form-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:560px){
  section{padding:60px 5%}
  .footer-grid{grid-template-columns:1fr}
  .projects-grid{grid-template-columns:1fr}
  .admin-stats-grid{grid-template-columns:1fr 1fr}
  .admin-form-grid{grid-template-columns:1fr}
}