/* ============ TOKENS ============ */
:root{
  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Open Sans', sans-serif;

  --color-primary: #0E7A4E;
  --color-primary-600: #0B6641;
  --color-primary-700: #075232;
  --color-primary-100: #E3F5EC;

  --color-secondary: #10B981;

  --color-accent: #F59E0B;
  --color-accent-600: #D97706;
  --color-accent-100: #FEF3C7;

  --color-dark: #0B1F17;
  --color-dark-800: #123626;

  --color-text: #14261D;
  --color-muted: #5B6E64;
  --color-bg: #FFFFFF;
  --color-bg-alt: #F5FAF7;
  --color-border: #E2ECE6;

  --shadow-sm: 0 1px 2px rgba(11,31,23,0.06), 0 1px 3px rgba(11,31,23,0.08);
  --shadow-md: 0 4px 12px rgba(11,31,23,0.08), 0 2px 4px rgba(11,31,23,0.06);
  --shadow-lg: 0 16px 40px rgba(11,31,23,0.14);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-full: 999px;

  --space-1: 4px; --space-2: 8px; --space-3: 12px; --space-4: 16px;
  --space-5: 20px; --space-6: 24px; --space-8: 32px; --space-10: 40px;
  --space-12: 48px; --space-16: 64px; --space-20: 80px; --space-24: 96px;

  --container-w: 1200px;
  --header-h: 76px;
}

/* ============ RESET ============ */
*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body{
  margin:0;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img,svg{ display:block; max-width:100%; }
a{ color:inherit; text-decoration:none; }
ul{ list-style:none; margin:0; padding:0; }
h1,h2,h3,h4{ font-family: var(--font-heading); margin:0; line-height:1.2; color: var(--color-dark); }
p{ margin:0; }
button, input, select, textarea{ font-family: inherit; font-size: inherit; }
button{ cursor:pointer; }
:focus-visible{ outline: 3px solid var(--color-accent); outline-offset: 2px; }

.skip-link{
  position:absolute; left:-999px; top:0; background:var(--color-primary); color:#fff;
  padding:12px 20px; z-index:200; border-radius:0 0 8px 0;
}
.skip-link:focus{ left:0; }

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

.container{
  width: 100%;
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  font-family: var(--font-heading); font-weight:600; font-size:15px;
  padding: 13px 24px; border-radius: var(--radius-full);
  border: none; cursor:pointer; transition: transform .18s ease, box-shadow .18s ease, background-color .18s ease;
  white-space: nowrap;
}
.btn:hover{ transform: translateY(-2px); }
.btn-sm{ padding: 9px 18px; font-size: 14px; }
.btn-lg{ padding: 16px 30px; font-size: 16px; }
.btn-block{ width:100%; }

.btn-primary{ background: var(--color-primary); color:#fff; box-shadow: var(--shadow-sm); }
.btn-primary:hover{ background: var(--color-primary-600); box-shadow: var(--shadow-md); }

.btn-accent{ background: var(--color-accent); color: var(--color-dark); box-shadow: 0 8px 20px rgba(245,158,11,0.35); }
.btn-accent:hover{ background: var(--color-accent-600); color:#fff; }

.btn-ghost-light{ background: rgba(255,255,255,0.14); color:#fff; border:1.5px solid rgba(255,255,255,0.55); backdrop-filter: blur(4px); }
.btn-ghost-light:hover{ background: rgba(255,255,255,0.24); }

/* ============ HEADER ============ */
.site-header{
  position: fixed; top:0; left:0; right:0; z-index:100;
  height: var(--header-h);
  display:flex; align-items:center;
  background: rgba(255,255,255,0);
  transition: background-color .25s ease, box-shadow .25s ease;
}
.site-header.is-scrolled{
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
}
.header-inner{ display:flex; align-items:center; justify-content:space-between; gap: var(--space-6); }

.brand{ display:flex; align-items:center; gap:10px; font-family: var(--font-heading); font-weight:700; font-size:20px; color: var(--color-dark); }
.site-header:not(.is-scrolled) .brand{ color:#fff; }
.brand-word em{ font-style: normal; color: var(--color-primary); }
.site-header:not(.is-scrolled) .brand-word em{ color: var(--color-accent); }

.main-nav{ display:flex; align-items:center; gap: var(--space-8); }
.main-nav a{
  font-size:15px; font-weight:600; color: var(--color-dark); position:relative; padding: 4px 0;
  transition: color .2s ease;
}
.site-header:not(.is-scrolled) .main-nav a{ color: rgba(255,255,255,0.92); }
.main-nav a::after{
  content:""; position:absolute; left:0; bottom:-2px; width:0; height:2px; background: var(--color-accent);
  transition: width .2s ease;
}
.main-nav a:hover::after{ width:100%; }
.main-nav a:hover{ color: var(--color-accent); }

.header-actions{ display:flex; align-items:center; gap: var(--space-4); }
.header-phone{ display:flex; align-items:center; gap:6px; font-weight:600; font-size:14px; color: var(--color-dark); }
.site-header:not(.is-scrolled) .header-phone{ color:#fff; }

.nav-toggle{
  display:none; flex-direction:column; justify-content:center; gap:5px;
  width:40px; height:40px; background:transparent; border:none; border-radius:8px;
}
.nav-toggle span{ display:block; width:22px; height:2px; background: var(--color-dark); transition: transform .25s ease, opacity .25s ease; margin:0 auto; }
.site-header:not(.is-scrolled) .nav-toggle span{ background:#fff; }
.nav-toggle[aria-expanded="true"] span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2){ opacity:0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

/* ============ HERO ============ */
.hero{
  position: relative;
  min-height: 92vh;
  min-height: 92dvh;
  display:flex; align-items:center;
  padding-top: var(--header-h);
  overflow:hidden;
  isolation:isolate;
}
.hero-bg{
  position:absolute; inset:0; z-index:-2;
  background: linear-gradient(160deg, #FDF6E3 0%, #EAF5EC 28%, #BFE6CE 52%, #0E7A4E 78%, #075232 100%);
  background-size: 140% 140%;
  animation: heroGradientShift 18s ease-in-out infinite;
}
@keyframes heroGradientShift{
  0%{ background-position: 0% 0%; }
  50%{ background-position: 100% 60%; }
  100%{ background-position: 0% 0%; }
}
.hero-rays{
  position:absolute; inset:0; z-index:-1; pointer-events:none;
  background: radial-gradient(circle at 82% 18%, rgba(255,216,115,0.55), transparent 42%);
}

.hero-inner{
  display:grid; grid-template-columns: 1.2fr 0.9fr; align-items:center; gap: var(--space-10);
  padding-top: var(--space-16); padding-bottom: var(--space-16);
}

.eyebrow{
  font-family: var(--font-heading); font-weight:600; font-size:14px; letter-spacing:.02em;
  color: var(--color-primary-700); background: rgba(255,255,255,0.7); display:inline-block;
  padding: 6px 14px; border-radius: var(--radius-full); margin-bottom: var(--space-5);
}
.hero-copy h1{
  font-size: clamp(2.1rem, 3.6vw, 2.9rem); font-weight:700; color: var(--color-dark); margin-bottom: var(--space-5);
}
.hero-copy h1 em{ font-style: italic; font-weight:600; color: var(--color-primary-700); }
.hero-sub{
  font-size: 17px; color: var(--color-dark-800); max-width: 46ch; margin-bottom: var(--space-8); opacity:.88;
}
.hero-cta-row{ display:flex; flex-wrap:wrap; gap: var(--space-4); margin-bottom: var(--space-10); }

.hero-trust{ display:flex; gap: var(--space-8); flex-wrap:wrap; }
.hero-trust-item{ display:flex; flex-direction:column; }
.hero-trust-item strong{ font-family: var(--font-heading); font-size:22px; font-weight:700; color: var(--color-dark); }
.hero-trust-item span{ font-size:13px; color: var(--color-dark-800); opacity:.75; }

/* hero-visual is a sizing container only; hero-visual-inner is the fixed-
   design-width composition (house + badges + cards + wires) that gets
   uniformly zoomed down to fit whatever width the container actually has.
   This keeps every proportion identical to the desktop layout at any
   screen size instead of reflowing into a different arrangement. */
.hero-visual{ position:relative; container-type: inline-size; display:flex; align-items:center; justify-content:center; }
.hero-visual-inner{
  position: relative;
  width: 520px;
  zoom: min(1, calc(100cqi / 520px));
  display:flex; align-items:center; justify-content:center;
}
.hero-illustration{ width: 100%; max-width: 480px; filter: drop-shadow(0 30px 40px rgba(7,82,50,0.18)); }

.sun-group{ animation: sunPulse 5s ease-in-out infinite; transform-origin: 452px 90px; transition: opacity .5s ease; }
@keyframes sunPulse{ 0%,100%{ transform: scale(1); } 50%{ transform: scale(1.06); } }

.hero-window{ fill: #E3F5EC; }

.moon-group{ opacity: 0; transition: opacity .5s ease; }
.hero-visual.is-night .sun-group{ opacity: 0; }
.hero-visual.is-night .moon-group{ opacity: 1; }

/* ---- dynamic flow line: solar panels -> battery -> savings -> power grid ----
   Path + dot positions are computed in script.js from the live position of
   the badge/card elements below, since they float independently of the
   house illustration. Sits BEHIND the illustration (negative z-index) so
   the house's opaque shapes (roof, walls, palm) hide the wire wherever it
   would otherwise cross visibly over them; it only shows through the
   illustration's transparent areas and in the open space around it. */
.flow-overlay{ position:absolute; inset:0; width:100%; height:100%; z-index:-1; overflow:visible; pointer-events:none; }
.flow-line{ fill:none; stroke: var(--color-primary); stroke-width:2.5; stroke-linecap:round; stroke-linejoin:round; stroke-dasharray: 1 8; opacity:.75; }
.flow-dot{ transition: opacity .4s ease; }
.flow-dot--night{ opacity: 0; }
.hero-visual.is-night .flow-dot--day{ opacity: 0; }
.hero-visual.is-night .flow-dot--night{ opacity: 1; }

.badge-pill{
  position:absolute; z-index:2; display:flex; align-items:center; gap:8px;
  background: rgba(255,255,255,0.9); backdrop-filter: blur(6px);
  padding: 9px 16px 9px 12px; border-radius: var(--radius-full); box-shadow: var(--shadow-md);
  font-family: var(--font-heading); font-weight:600; font-size:13px; color: var(--color-dark);
  animation: floatY 6s ease-in-out infinite;
}
.badge-pill svg{ color: var(--color-primary); flex-shrink:0; }
.badge-pill--grid{ top: 6%; left: -2%; }
.badge-pill--panel{ top: 2%; right: 4%; animation-delay: .8s; }

.float-card{
  position:absolute; z-index:2; background:#fff; border-radius: var(--radius-md); box-shadow: var(--shadow-lg);
  padding: var(--space-4) var(--space-5); animation: floatY 6.5s ease-in-out infinite;
}
.float-card--savings{ left: -6%; bottom: 12%; width: 190px; animation-delay: .3s; }
.float-card--battery{ right: -4%; bottom: 4%; text-align:center; animation-delay: 1s; }

.float-card-label{ display:block; font-size:11px; color: var(--color-muted); font-weight:600; margin-bottom:4px; }
.float-card--savings strong{ font-family: var(--font-heading); font-size:20px; font-weight:700; color: var(--color-dark); display:block; margin-bottom:6px; }
.float-card--battery .battery-icon{ margin: 0 auto; }
.float-card--battery .float-card-label{ margin-top:8px; margin-bottom:0; }
.js-battery-status{ font-family: var(--font-heading); font-size:14px; font-weight:700; color: var(--color-primary-700); }
.js-battery-fill{ y:20px; height:48px; transition: y .9s ease, height .9s ease; }
.hero-visual.is-night .js-battery-fill{ y:48px; height:20px; }

@keyframes floatY{ 0%,100%{ transform: translateY(0); } 50%{ transform: translateY(-10px); } }

/* ============ STATS BAR ============ */
.stats-bar{ background: var(--color-dark); padding: var(--space-10) 0; }
.stats-grid{ display:grid; grid-template-columns: repeat(4,1fr); gap: var(--space-6); text-align:center; }
.stat strong{ font-family: var(--font-heading); font-size: clamp(1.6rem,3vw,2.2rem); font-weight:700; color:#fff; }
.stat strong span:last-child{ color: var(--color-accent); }
.stat p{ color: rgba(255,255,255,0.65); font-size:13px; margin-top:4px; }

/* ============ SECTION LAYOUT ============ */
.section{ padding: var(--space-24) 0; }
.section-alt{ background: var(--color-bg-alt); }
.section-dark{ background: var(--color-dark); }
.section-dark .section-sub{ color: rgba(255,255,255,0.7); }

.section-head{ max-width: 640px; margin: 0 auto var(--space-12); text-align:center; }
.section-head--left{ margin: 0 0 var(--space-8); text-align:left; }
.section-head--on-dark{ margin-left:auto; margin-right:auto; }
.section-head--on-dark h2{ color:#fff; }
.section-head .eyebrow{ background: var(--color-primary-100); color: var(--color-primary-700); }
.section-head--on-dark .eyebrow{ background: rgba(255,255,255,0.1); color: var(--color-accent); }
.section-head h2{ font-size: clamp(1.7rem,3vw,2.4rem); font-weight:700; margin-bottom: var(--space-4); }
.section-sub{ color: var(--color-muted); font-size:16px; line-height:1.65; }

/* ============ PRODUCTS ============ */
.product-grid{ display:grid; grid-template-columns: repeat(4,1fr); gap: var(--space-6); }
.product-card{
  background:#fff; border:1px solid var(--color-border); border-radius: var(--radius-lg);
  padding: var(--space-8) var(--space-6); transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.product-card:hover{ transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.product-icon{
  width:52px; height:52px; border-radius: var(--radius-md); background: var(--color-primary-100);
  color: var(--color-primary); display:flex; align-items:center; justify-content:center; margin-bottom: var(--space-5);
}
.product-card h3{ font-size:19px; margin-bottom: var(--space-2); }
.product-card p{ color: var(--color-muted); font-size:14.5px; margin-bottom: var(--space-5); min-height: 62px; }
.product-from{ font-family: var(--font-heading); font-weight:600; font-size:14px; color: var(--color-accent-600); }

/* ============ SERVICES ============ */
.service-grid{ display:grid; grid-template-columns: repeat(3,1fr); gap: var(--space-6); }
.service-card{
  background:#fff; border-radius: var(--radius-lg); padding: var(--space-8);
  box-shadow: var(--shadow-sm); transition: box-shadow .25s ease, transform .25s ease;
}
.service-card:hover{ box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.service-num{ font-family: var(--font-heading); font-weight:700; font-size:14px; color: var(--color-accent-600); background: var(--color-accent-100); width:34px; height:34px; border-radius:50%; display:flex; align-items:center; justify-content:center; margin-bottom: var(--space-5); }
.service-card h3{ font-size:18px; margin-bottom: var(--space-2); }
.service-card p{ color: var(--color-muted); font-size:14.5px; }

/* ============ CALCULATOR ============ */
.calculator-section{ background: var(--color-primary-100); }
.calculator-inner{ display:grid; grid-template-columns: 1fr 1fr; gap: var(--space-16); align-items:center; }
.calc-note-list{ margin-top: var(--space-6); display:flex; flex-direction:column; gap: var(--space-3); }
.calc-note-list li{ position:relative; padding-left: 26px; color: var(--color-dark-800); font-size:14.5px; }
.calc-note-list li::before{ content:"✓"; position:absolute; left:0; top:0; color: var(--color-primary); font-weight:700; }

.calc-card{ background:#fff; border-radius: var(--radius-lg); padding: var(--space-8); box-shadow: var(--shadow-lg); }
.calc-label{ display:block; font-family: var(--font-heading); font-weight:600; font-size:14px; margin-bottom: var(--space-3); }
.calc-input-row{ display:flex; align-items:center; gap: var(--space-3); }
.calc-prefix{ font-family: var(--font-heading); font-weight:700; color: var(--color-primary); }
#billInput{
  flex:1; height:6px; border-radius:99px; appearance:none; background: var(--color-border); outline:none;
}
#billInput::-webkit-slider-thumb{
  appearance:none; width:22px; height:22px; border-radius:50%; background: var(--color-primary);
  border:3px solid #fff; box-shadow: var(--shadow-md); cursor:pointer;
}
#billInput::-moz-range-thumb{
  width:22px; height:22px; border-radius:50%; background: var(--color-primary); border:3px solid #fff; box-shadow: var(--shadow-md); cursor:pointer;
}
.calc-bill-value{ font-family: var(--font-heading); font-weight:700; font-size:22px; margin: var(--space-2) 0 var(--space-6); color: var(--color-dark); }

.calc-results{ display:grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); margin-bottom: var(--space-6); }
.calc-result{ background: var(--color-bg-alt); border-radius: var(--radius-md); padding: var(--space-4); }
.calc-result span{ display:block; font-size:12.5px; color: var(--color-muted); margin-bottom:4px; }
.calc-result strong{ font-family: var(--font-heading); font-size:19px; font-weight:700; color: var(--color-primary-700); }

/* ============ FINANCING ============ */
.financing-grid{ display:grid; grid-template-columns: repeat(4,1fr); gap: var(--space-6); }
.financing-card{ text-align:center; padding: var(--space-8) var(--space-5); border-radius: var(--radius-lg); border:1px solid var(--color-border); transition: box-shadow .25s ease, transform .25s ease; }
.financing-card:hover{ box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.financing-icon{ width:48px; height:48px; border-radius:50%; background: var(--color-accent-100); color: var(--color-accent-600); display:flex; align-items:center; justify-content:center; margin: 0 auto var(--space-5); }
.financing-card h3{ font-size:17px; margin-bottom: var(--space-2); }
.financing-card p{ color: var(--color-muted); font-size:14px; }

/* ============ COVERAGE ============ */
.coverage-grid{ display:grid; grid-template-columns: repeat(3,1fr); gap: var(--space-4); }
.coverage-card{
  background:#fff; border: 1.5px solid var(--color-border); border-radius: var(--radius-md);
  padding: var(--space-5) var(--space-6); transition: border-color .2s ease, transform .2s ease;
}
.coverage-card:hover{ border-color: var(--color-primary); transform: translateY(-3px); }
.coverage-card h3{ font-size:16px; margin-bottom:4px; color: var(--color-primary-700); }
.coverage-card p{ font-size:13.5px; color: var(--color-muted); }
.coverage-card--more{ background: var(--color-primary); border-color: var(--color-primary); }
.coverage-card--more h3, .coverage-card--more p{ color:#fff; }
.coverage-card--more p{ opacity:.85; }

/* ============ PROJECTS ============ */
.project-grid{ display:grid; grid-template-columns: repeat(3,1fr); gap: var(--space-6); }
.project-card{ border-radius: var(--radius-lg); overflow:hidden; box-shadow: var(--shadow-sm); transition: box-shadow .25s ease, transform .25s ease; background:#fff; }
.project-card:hover{ box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.project-thumb{ height:150px; display:flex; align-items:center; justify-content:center; }
.project-thumb--1{ background: linear-gradient(135deg,#0E7A4E,#075232); }
.project-thumb--2{ background: linear-gradient(135deg,#F59E0B,#D97706); }
.project-thumb--3{ background: linear-gradient(135deg,#10B981,#0B6641); }
.project-body{ padding: var(--space-6); }
.project-tag{ font-size:12px; font-weight:700; color: var(--color-accent-600); text-transform:uppercase; letter-spacing:.03em; }
.project-body h3{ font-size:18px; margin: var(--space-2) 0; }
.project-body p{ font-size:14px; color: var(--color-muted); }

/* ============ TESTIMONIALS ============ */
.testimonial-grid{ display:grid; grid-template-columns: repeat(3,1fr); gap: var(--space-6); }
.testimonial-card{ background: var(--color-dark-800); border-radius: var(--radius-lg); padding: var(--space-8); }
.testimonial-card p{ color: rgba(255,255,255,0.9); font-size:15px; line-height:1.7; margin-bottom: var(--space-6); }
.testimonial-person{ display:flex; align-items:center; gap: var(--space-3); }
.avatar-initial{
  width:40px; height:40px; border-radius:50%; background: var(--color-accent); color: var(--color-dark);
  font-family: var(--font-heading); font-weight:700; display:flex; align-items:center; justify-content:center; flex-shrink:0;
}
.testimonial-person strong{ display:block; color:#fff; font-size:14.5px; }
.testimonial-person span{ color: rgba(255,255,255,0.55); font-size:13px; }

/* ============ CONTACT ============ */
.contact-inner{ display:grid; grid-template-columns: 1fr 1.1fr; gap: var(--space-16); align-items:start; }
.contact-info-list{ margin-top: var(--space-8); display:flex; flex-direction:column; gap: var(--space-4); }
.contact-info-list li{ display:flex; align-items:center; gap: var(--space-3); font-size:15px; color: var(--color-dark-800); }
.contact-info-list svg{ color: var(--color-primary); flex-shrink:0; }

.contact-form{ background: var(--color-bg-alt); border-radius: var(--radius-lg); padding: var(--space-8); }
.form-row{ display:grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
.form-field{ margin-bottom: var(--space-5); }
.form-field label{ display:block; font-weight:600; font-size:13.5px; margin-bottom: var(--space-2); color: var(--color-dark); }
.form-field label span{ font-weight:400; color: var(--color-muted); }
.form-field input, .form-field select, .form-field textarea{
  width:100%; padding: 12px 14px; border-radius: var(--radius-sm); border: 1.5px solid var(--color-border);
  background:#fff; transition: border-color .2s ease, box-shadow .2s ease; min-height:44px;
}
.form-field textarea{ resize: vertical; min-height:80px; }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus{
  border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(14,122,78,0.14); outline:none;
}
.form-note{ margin-top: var(--space-4); font-size:14px; font-weight:600; color: var(--color-primary-700); text-align:center; min-height:1em; }

/* ============ FOOTER ============ */
.site-footer{ background: var(--color-dark); color: rgba(255,255,255,0.7); padding-top: var(--space-16); }
.footer-grid{ display:grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: var(--space-8); padding-bottom: var(--space-12); border-bottom: 1px solid rgba(255,255,255,0.1); }
.footer-brand .brand{ color:#fff; margin-bottom: var(--space-4); }
.footer-brand p{ font-size:14px; line-height:1.7; max-width: 32ch; margin-bottom: var(--space-5); }
.footer-social{ display:flex; gap: var(--space-3); }
.footer-social a{ width:36px; height:36px; border-radius:50%; background: rgba(255,255,255,0.08); display:flex; align-items:center; justify-content:center; transition: background-color .2s ease; }
.footer-social a:hover{ background: var(--color-primary); }
.footer-col h4{ color:#fff; font-size:14px; margin-bottom: var(--space-5); }
.footer-col a, .footer-col p{ display:block; font-size:14px; margin-bottom: var(--space-3); transition: color .2s ease; }
.footer-col a:hover{ color: var(--color-accent); }
.footer-bottom{ display:flex; justify-content:space-between; align-items:center; padding: var(--space-6) 0; font-size:13px; flex-wrap:wrap; gap: var(--space-3); }
.footer-legal{ display:flex; gap: var(--space-6); }
.footer-legal a:hover{ color: var(--color-accent); }

/* ============ RESPONSIVE ============ */
@media (max-width: 1024px){
  .hero-inner{ grid-template-columns:1fr; }
  .hero-visual{ order:-1; }
  .product-grid, .financing-grid{ grid-template-columns: repeat(2,1fr); }
  .service-grid, .project-grid, .testimonial-grid{ grid-template-columns: repeat(2,1fr); }
  .coverage-grid{ grid-template-columns: repeat(2,1fr); }
  .calculator-inner, .contact-inner{ grid-template-columns:1fr; gap: var(--space-10); }
  .footer-grid{ grid-template-columns: 1fr 1fr; }
}

@media (max-width: 860px){
  .main-nav{
    position:fixed; top: var(--header-h); left:0; right:0;
    height: calc(100vh - var(--header-h)); height: calc(100dvh - var(--header-h));
    background:#fff; flex-direction:column; align-items:flex-start; gap:0;
    padding: var(--space-6); transform: translateX(100%); transition: transform .3s ease;
    overflow-y:auto;
  }
  .main-nav.is-open{ transform: translateX(0); }
  .main-nav a{ width:100%; padding: var(--space-4) 0; border-bottom:1px solid var(--color-border); color: var(--color-dark) !important; }
  .header-phone{ display:none; }
  .nav-toggle{ display:flex; }
  .stats-grid{ grid-template-columns: repeat(2,1fr); }
}

@media (max-width: 640px){
  :root{ --space-24: 64px; --space-16: 40px; }
  .product-grid, .financing-grid, .service-grid, .project-grid, .testimonial-grid, .coverage-grid{ grid-template-columns: 1fr; }
  .form-row{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns: 1fr; }
  .hero-cta-row{ flex-direction:column; align-items:stretch; }
  .hero-cta-row .btn{ width:100%; }
  .hero-trust{ gap: var(--space-6); }
  .calc-results{ grid-template-columns:1fr; }
}