/* ============================================================
   SOLARTEK — Premium Solar Energy Company, Chennai
   Theme: Green & White | Minimal | Trustworthy
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,500;9..144,600;9..144,700;9..144,800&family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  /* --- Brand palette --- */
  --green-50:  #F0FAF4;
  --green-100: #DCF5E4;
  --green-200: #B8EBCA;
  --green-300: #86DBA6;
  --green-400: #4ECB82;
  --green-500: #22B866;   /* primary */
  --green-600: #169B54;   /* hover/darker */
  --green-700: #107A42;   /* deep */
  --green-800: #0C5C32;
  --green-900: #084524;

  --sun:       #F5B841;   /* warm accent used sparingly */

  --ink-900:   #0F1F17;   /* near-black, slight green tint */
  --ink-700:   #2A3B33;
  --ink-500:   #4D5F57;
  --ink-400:   #6B7F76;
  --ink-300:   #9AAEA4;
  --ink-200:   #CBD6D0;
  --ink-100:   #E6ECE8;
  --ink-50:    #F5F8F6;

  --white:     #FFFFFF;
  --cream:     #FBFBF8;

  /* --- Semantic tokens --- */
  --bg:            var(--white);
  --bg-alt:        var(--ink-50);
  --bg-soft:       var(--green-50);
  --text:          var(--ink-900);
  --text-muted:    var(--ink-500);
  --text-subtle:   var(--ink-400);
  --border:        rgba(15, 31, 23, 0.08);
  --border-strong: rgba(15, 31, 23, 0.14);
  --accent:        var(--green-500);
  --accent-deep:   var(--green-700);

  /* --- Effects --- */
  --shadow-sm:   0 1px 2px rgba(15, 31, 23, 0.04), 0 1px 3px rgba(15, 31, 23, 0.06);
  --shadow-md:   0 4px 10px rgba(15, 31, 23, 0.06), 0 10px 24px rgba(15, 31, 23, 0.08);
  --shadow-lg:   0 10px 30px rgba(15, 31, 23, 0.08), 0 30px 60px rgba(15, 31, 23, 0.12);
  --shadow-green:0 14px 40px rgba(22, 155, 84, 0.25);

  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius:    16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-full: 999px;

  --ease:       cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out:   cubic-bezier(0.16, 1, 0.3, 1);
  --transition: all 0.25s var(--ease);

  --font-display: 'Fraunces', 'Times New Roman', serif;
  --font-body:    'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  --container: 1200px;
  --container-wide: 1320px;
}

/* ---------- RESET ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img, svg, video { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul, ol { list-style: none; }
input, textarea, select { font-family: inherit; font-size: inherit; color: inherit; }
::selection { background: var(--green-200); color: var(--green-900); }

/* ---------- TYPOGRAPHY ---------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--text);
  font-variation-settings: "opsz" 144;
}
h1 { font-size: clamp(2.5rem, 5.6vw, 4.4rem); letter-spacing: -0.035em; }
h2 { font-size: clamp(2rem, 4vw, 3.2rem); letter-spacing: -0.03em; }
h3 { font-size: clamp(1.25rem, 2vw, 1.6rem); }
h4 { font-size: 1.15rem; font-weight: 600; }
p { color: var(--text-muted); font-size: 1.0625rem; line-height: 1.7; }
.text-center { text-align: center; }
.highlight {
  background: linear-gradient(120deg, var(--green-500), var(--green-700));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-style: italic;
}

/* ---------- LAYOUT ---------- */
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.container-wide { max-width: var(--container-wide); margin: 0 auto; padding: 0 24px; }
.section-pad { padding: clamp(72px, 10vw, 120px) 0; }
.section-pad-sm { padding: clamp(56px, 8vw, 88px) 0; }

/* ---------- TAG / EYEBROW ---------- */
.tag {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.75rem; font-weight: 600; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--green-700);
  background: var(--green-50);
  border: 1px solid var(--green-200);
  padding: 7px 14px; border-radius: var(--radius-full);
  margin-bottom: 20px;
}
.tag::before {
  content: '';
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--green-500);
  box-shadow: 0 0 0 4px rgba(34, 184, 102, 0.18);
  animation: pulse 2.2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.25); }
}

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 28px;
  font-family: var(--font-body);
  font-weight: 600; font-size: 0.95rem;
  border-radius: var(--radius-full);
  transition: var(--transition);
  white-space: nowrap;
  border: 1.5px solid transparent;
  cursor: pointer;
}
.btn svg { width: 18px; height: 18px; flex-shrink: 0; }
.btn-primary {
  background: linear-gradient(135deg, var(--green-500), var(--green-700));
  color: var(--white);
  box-shadow: var(--shadow-green);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 48px rgba(22, 155, 84, 0.35);
}
.btn-outline {
  background: var(--white);
  color: var(--text);
  border-color: var(--border-strong);
}
.btn-outline:hover {
  border-color: var(--green-500);
  color: var(--green-700);
  background: var(--green-50);
  transform: translateY(-2px);
}
.btn-ghost {
  background: transparent; color: var(--text);
}
.btn-ghost:hover { color: var(--green-700); }
.btn-dark {
  background: var(--ink-900); color: var(--white);
}
.btn-dark:hover { background: var(--ink-700); transform: translateY(-2px); }
.btn-lg { padding: 16px 34px; font-size: 1rem; }
.btn-sm { padding: 10px 20px; font-size: 0.875rem; }

/* ============================================================
   NAVBAR
   ============================================================ */
#navbar {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid transparent;
  transition: var(--transition);
}
#navbar.scrolled {
  background: rgba(255, 255, 255, 0.92);
  border-bottom-color: var(--border);
  box-shadow: var(--shadow-sm);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 76px;
}
.nav-logo {
  display: inline-flex; align-items: center; gap: 10px;
  flex-shrink: 0;
}
.nav-logo .logo-mark { width: 38px; height: 38px; flex-shrink: 0; }
.nav-logo .logo-text {
  font-family: var(--font-display); font-weight: 700; font-size: 1.5rem;
  color: var(--ink-900); letter-spacing: -0.02em;
}
.nav-logo .logo-text span {
  color: var(--green-600);
  font-style: italic;
  font-weight: 600;
}

.nav-links {
  display: flex; align-items: center; gap: 4px;
}
.nav-links a {
  position: relative;
  padding: 10px 16px;
  font-size: 0.9375rem; font-weight: 500;
  color: var(--ink-700);
  border-radius: var(--radius-sm);
}
.nav-links a:hover { color: var(--green-700); background: var(--green-50); }
.nav-links a.active {
  color: var(--green-700);
  background: var(--green-50);
}

.nav-cta { display: flex; align-items: center; gap: 14px; }
.nav-phone {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.9rem; font-weight: 600; color: var(--ink-700);
}
.nav-phone svg { color: var(--green-600); }
.nav-phone:hover { color: var(--green-700); }
.nav-cta .btn { padding: 10px 22px; font-size: 0.875rem; }

.hamburger {
  display: none; flex-direction: column; gap: 5px;
  width: 26px; cursor: pointer; padding: 4px;
}
.hamburger span {
  height: 2px; background: var(--ink-900);
  border-radius: 2px; transition: var(--transition);
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- MOBILE MENU ---------- */
.mobile-menu {
  position: fixed; top: 0; right: 0;
  width: 100%; max-width: 360px; height: 100vh;
  background: var(--white);
  box-shadow: var(--shadow-lg);
  transform: translateX(100%);
  transition: transform 0.35s var(--ease-out);
  z-index: 1001;
  padding: 96px 32px 40px;
  display: flex; flex-direction: column; gap: 4px;
  overflow-y: auto;
}
.mobile-menu.active { transform: translateX(0); }
.mobile-menu a {
  padding: 14px 18px;
  font-size: 1.0625rem; font-weight: 500;
  color: var(--ink-700);
  border-radius: var(--radius-sm);
  border-bottom: 1px solid var(--border);
}
.mobile-menu a:last-of-type { border-bottom: none; }
.mobile-menu a:hover { color: var(--green-700); background: var(--green-50); }
.mobile-menu .btn { margin-top: 20px; padding: 14px; }
.mobile-close {
  position: absolute; top: 24px; right: 24px;
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; color: var(--ink-700);
  border-radius: 50%;
  background: var(--ink-50);
  cursor: pointer;
  transition: var(--transition);
}
.mobile-close:hover { background: var(--green-100); color: var(--green-700); }

.overlay {
  position: fixed; inset: 0;
  background: rgba(15, 31, 23, 0.5);
  backdrop-filter: blur(4px);
  opacity: 0; visibility: hidden;
  transition: var(--transition);
  z-index: 1000;
}
.overlay.active { opacity: 1; visibility: visible; }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  padding: 140px 0 100px;
  overflow: hidden;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, var(--green-50) 0%, transparent 60%),
    linear-gradient(180deg, var(--white) 0%, var(--cream) 100%);
}
.hero::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 100%;
  background-image:
    linear-gradient(to right, rgba(22, 155, 84, 0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(22, 155, 84, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 70% 50% at 50% 30%, black 40%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 70% 50% at 50% 30%, black 40%, transparent 80%);
  pointer-events: none;
}

.hero-content {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative; z-index: 2;
}
.hero-left { max-width: 620px; }

.hero-badge {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 8px 16px 8px 10px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  font-size: 0.825rem; font-weight: 500;
  color: var(--ink-700);
  box-shadow: var(--shadow-sm);
  margin-bottom: 28px;
}
.hero-badge-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--green-500);
  box-shadow: 0 0 0 3px rgba(34, 184, 102, 0.22);
  animation: pulse 2s infinite;
}

.hero h1 { margin-bottom: 20px; }
.hero h1 span {
  font-style: italic;
  color: var(--green-700);
  font-weight: 500;
}
.hero-sub {
  font-size: 1.125rem;
  color: var(--text-muted);
  margin-bottom: 36px;
  max-width: 540px;
}

.hero-actions {
  display: flex; gap: 14px; flex-wrap: wrap;
  margin-bottom: 56px;
}

.hero-stats {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}
.hero-stat .num {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 700;
  color: var(--ink-900);
  line-height: 1;
}
.hero-stat .label {
  font-size: 0.825rem; color: var(--text-subtle);
  margin-top: 6px;
}

/* Hero visual — image card + floating info cards */
.hero-visual {
  position: relative;
  aspect-ratio: 4 / 5;
  max-width: 520px;
  margin-left: auto;
}
.hero-image-wrap {
  position: relative;
  width: 100%; height: 100%;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  background: var(--green-100);
}
.hero-image-wrap img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 6s ease;
}
.hero:hover .hero-image-wrap img { transform: scale(1.04); }
.hero-image-wrap::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(15, 31, 23, 0.35) 100%);
}

.hero-float {
  position: absolute;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  box-shadow: var(--shadow-md);
  display: flex; align-items: center; gap: 14px;
  min-width: 200px;
  animation: float 6s ease-in-out infinite;
}
.hero-float .float-icon {
  width: 44px; height: 44px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  background: var(--green-50);
  color: var(--green-700);
  flex-shrink: 0;
}
.hero-float .float-icon svg { width: 22px; height: 22px; }
.hero-float .val {
  font-family: var(--font-display);
  font-size: 1.25rem; font-weight: 700;
  color: var(--ink-900); line-height: 1;
}
.hero-float .lbl {
  font-size: 0.75rem; color: var(--text-subtle);
  margin-top: 3px;
}
.hero-float-1 {
  top: 8%; left: -8%;
  animation-delay: 0s;
}
.hero-float-2 {
  bottom: 18%; right: -10%;
  animation-delay: 1.5s;
}
.hero-float-3 {
  bottom: -4%; left: 4%;
  animation-delay: 3s;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* Trust strip under hero */
.trust-strip {
  padding: 32px 0;
  border-top: 1px solid var(--border);
  background: var(--white);
}
.trust-strip-inner {
  display: flex; flex-wrap: wrap;
  align-items: center; justify-content: space-between;
  gap: 32px;
}
.trust-strip-label {
  font-size: 0.75rem; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--text-subtle);
}
.trust-logos {
  display: flex; flex-wrap: wrap;
  gap: 36px; align-items: center;
}
.trust-logo {
  font-family: var(--font-display);
  font-weight: 600; font-size: 1.125rem;
  color: var(--ink-400);
  letter-spacing: -0.01em;
  opacity: 0.75;
  transition: var(--transition);
}
.trust-logo:hover { opacity: 1; color: var(--green-700); }

/* ============================================================
   SECTION TITLES
   ============================================================ */
.section-title { max-width: 720px; margin: 0 auto 64px; }
.section-title.text-center { text-align: center; }
.section-title h2 { margin-bottom: 16px; }
.section-title p { font-size: 1.0625rem; }

/* ============================================================
   GRIDS
   ============================================================ */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* ============================================================
   CARDS (Benefits / Features)
   ============================================================ */
.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.card::before {
  content: '';
  position: absolute; top: 0; left: 0;
  width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--green-500), var(--green-700));
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.4s var(--ease-out);
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--green-200);
}
.card:hover::before { transform: scaleX(1); }

.benefit-icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--green-50), var(--green-100));
  color: var(--green-700);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 24px;
  transition: var(--transition);
}
.benefit-icon svg { width: 26px; height: 26px; }
.card:hover .benefit-icon {
  background: linear-gradient(135deg, var(--green-500), var(--green-700));
  color: var(--white);
  transform: scale(1.05);
}
.card h3 { margin-bottom: 12px; }
.card p { font-size: 0.975rem; }

/* ============================================================
   SAVINGS SECTION
   ============================================================ */
.savings-section {
  background: linear-gradient(180deg, var(--white) 0%, var(--green-50) 100%);
  position: relative; overflow: hidden;
}
.savings-section::before {
  content: '';
  position: absolute; top: -200px; right: -200px;
  width: 600px; height: 600px; border-radius: 50%;
  background: radial-gradient(circle, rgba(34, 184, 102, 0.12), transparent 70%);
  pointer-events: none;
}
.savings-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px; align-items: center;
  position: relative; z-index: 2;
}
.savings-number {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 7vw, 5.5rem);
  font-weight: 700;
  color: var(--green-700);
  line-height: 1;
  margin: 12px 0 8px;
  letter-spacing: -0.03em;
}
.savings-bar { margin-bottom: 24px; }
.bar-label {
  display: flex; justify-content: space-between;
  margin-bottom: 10px;
  font-size: 0.9rem; font-weight: 500;
  color: var(--ink-700);
}
.bar-track {
  height: 10px;
  background: var(--ink-100);
  border-radius: var(--radius-full);
  overflow: hidden;
}
.bar-fill {
  height: 100%;
  border-radius: var(--radius-full);
  width: 0;
  transition: width 1.6s var(--ease-out);
}
.bar-fill.sun { background: linear-gradient(90deg, var(--green-400), var(--green-600)); }
.bar-fill.grid { background: linear-gradient(90deg, var(--ink-300), var(--ink-400)); }

.stat-tile {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 22px;
  text-align: center;
  transition: var(--transition);
}
.stat-tile:hover {
  transform: translateY(-3px);
  border-color: var(--green-200);
  box-shadow: var(--shadow-md);
}
.stat-tile .stat-icon {
  width: 44px; height: 44px;
  margin: 0 auto 14px;
  color: var(--green-600);
  display: flex; align-items: center; justify-content: center;
}
.stat-tile .stat-icon svg { width: 28px; height: 28px; }
.stat-tile .stat-val {
  font-family: var(--font-display);
  font-size: 2rem; font-weight: 700;
  color: var(--ink-900); line-height: 1;
}
.stat-tile p {
  font-size: 0.85rem; margin-top: 6px;
  color: var(--text-subtle);
}

/* ============================================================
   PROCESS / STEPS
   ============================================================ */
.process { position: relative; }
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.process-step {
  position: relative;
  padding: 32px 28px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: var(--transition);
}
.process-step:hover {
  border-color: var(--green-300);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}
.process-num {
  font-family: var(--font-display);
  font-size: 3rem; font-weight: 700;
  color: var(--green-500);
  line-height: 1;
  opacity: 0.25;
  margin-bottom: 16px;
}
.process-step h3 { font-size: 1.15rem; margin-bottom: 10px; }
.process-step p { font-size: 0.95rem; }

/* ============================================================
   IMAGE+TEXT (About / Services strips)
   ============================================================ */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.split-image {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4/5;
}
.split-image img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 8s ease;
}
.split-image:hover img { transform: scale(1.05); }

/* Decorative green leaf accent */
.split-badge {
  position: absolute;
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 22px 26px;
  box-shadow: var(--shadow-lg);
  display: flex; align-items: center; gap: 16px;
  bottom: 30px; left: -30px;
  max-width: 280px;
}
.split-badge-icon {
  width: 54px; height: 54px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--green-500), var(--green-700));
  color: var(--white);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.split-badge-icon svg { width: 26px; height: 26px; }
.split-badge .val {
  font-family: var(--font-display);
  font-size: 1.5rem; font-weight: 700;
  color: var(--ink-900); line-height: 1;
}
.split-badge .lbl {
  font-size: 0.825rem; color: var(--text-subtle);
  margin-top: 4px;
}

/* ============================================================
   SERVICES
   ============================================================ */
.service-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  display: flex; flex-direction: column;
}
.service-card:hover {
  border-color: var(--green-200);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.service-card-image {
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--green-50);
}
.service-card-image img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.6s var(--ease-out);
}
.service-card:hover .service-card-image img { transform: scale(1.05); }
.service-card-body {
  padding: 28px;
  flex: 1; display: flex; flex-direction: column;
}
.service-card h3 { margin-bottom: 10px; }
.service-card p { font-size: 0.95rem; flex: 1; }
.service-card .service-features {
  margin: 20px 0;
  display: flex; flex-direction: column; gap: 8px;
}
.service-features li {
  display: flex; align-items: center; gap: 10px;
  font-size: 0.9rem;
  color: var(--ink-700);
}
.service-features li svg {
  width: 16px; height: 16px;
  color: var(--green-600);
  flex-shrink: 0;
}
.service-link {
  display: inline-flex; align-items: center; gap: 6px;
  font-weight: 600; font-size: 0.9rem;
  color: var(--green-700);
  margin-top: auto;
}
.service-link svg {
  width: 14px; height: 14px;
  transition: var(--transition);
}
.service-card:hover .service-link svg { transform: translateX(4px); }

/* ============================================================
   TESTIMONIALS
   ============================================================ */
.testimonials {
  background: var(--ink-50);
  position: relative; overflow: hidden;
}
.testimonials::before {
  content: '';
  position: absolute; top: -300px; left: -200px;
  width: 600px; height: 600px; border-radius: 50%;
  background: radial-gradient(circle, rgba(34, 184, 102, 0.07), transparent 70%);
  pointer-events: none;
}
.testimonial-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  transition: var(--transition);
  display: flex; flex-direction: column;
  position: relative;
}
.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--green-200);
}
.testimonial-card .quote-mark {
  position: absolute;
  top: 24px; right: 28px;
  font-family: var(--font-display);
  font-size: 4rem; line-height: 1;
  color: var(--green-200);
  font-weight: 700;
}
.stars {
  color: var(--sun);
  letter-spacing: 2px;
  font-size: 1rem;
  margin-bottom: 18px;
}
.quote {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--ink-700);
  margin-bottom: 26px;
  flex: 1;
}
.author {
  display: flex; align-items: center; gap: 14px;
  padding-top: 22px;
  border-top: 1px solid var(--border);
}
.author-avatar {
  width: 46px; height: 46px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--green-500), var(--green-700));
  color: var(--white);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  flex-shrink: 0;
}
.author-info .name {
  font-weight: 600; font-size: 0.95rem;
  color: var(--ink-900);
}
.author-info .loc {
  font-size: 0.8rem; color: var(--text-subtle);
  margin-top: 2px;
}

/* ============================================================
   CTA STRIP
   ============================================================ */
.cta-strip {
  position: relative;
  padding: 100px 0;
  background: linear-gradient(135deg, var(--green-700), var(--green-900));
  color: var(--white);
  overflow: hidden;
}
.cta-strip::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.08), transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(245, 184, 65, 0.1), transparent 50%);
  pointer-events: none;
}
.cta-strip .container { position: relative; z-index: 2; }
.cta-strip h2 { color: var(--white); margin-bottom: 16px; }
.cta-strip p { color: rgba(255, 255, 255, 0.85); font-size: 1.125rem; max-width: 640px; margin: 0 auto 40px; }
.cta-strip .btn-primary {
  background: var(--white);
  color: var(--green-800);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}
.cta-strip .btn-primary:hover { background: var(--green-50); }
.cta-strip .btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.4);
}
.cta-strip .btn-outline:hover {
  border-color: var(--white);
  background: rgba(255, 255, 255, 0.1);
  color: var(--white);
}

/* ============================================================
   PAGE HERO (secondary pages)
   ============================================================ */
.page-hero {
  position: relative;
  padding: 160px 0 80px;
  background:
    radial-gradient(ellipse 60% 60% at 50% 50%, var(--green-50) 0%, transparent 70%),
    var(--white);
  text-align: center;
}
.page-hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(22, 155, 84, 0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(22, 155, 84, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 60% 50% at 50% 50%, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 60% 50% at 50% 50%, black 30%, transparent 80%);
  pointer-events: none;
}
.page-hero .container { position: relative; z-index: 2; }
.page-hero h1 { margin-bottom: 18px; }
.page-hero p { max-width: 660px; margin: 0 auto; font-size: 1.125rem; }
.breadcrumb {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.85rem; color: var(--text-subtle);
  margin-top: 24px;
}
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--green-700); }
.breadcrumb span { color: var(--ink-300); }

/* ============================================================
   CONTACT FORM
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: start;
}
.contact-info-card {
  background: linear-gradient(160deg, var(--green-700), var(--green-900));
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  box-shadow: var(--shadow-lg);
}
.contact-info-card h3 {
  color: var(--white);
  margin-bottom: 14px;
}
.contact-info-card p {
  color: rgba(255, 255, 255, 0.82);
  margin-bottom: 36px;
}
.contact-info-item {
  display: flex; align-items: flex-start; gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}
.contact-info-item:last-child { border-bottom: none; }
.contact-info-item .icon {
  width: 44px; height: 44px; border-radius: 12px;
  background: rgba(255, 255, 255, 0.12);
  color: var(--green-100);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.contact-info-item .icon svg { width: 20px; height: 20px; }
.contact-info-item .label {
  font-size: 0.8rem; text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 4px;
}
.contact-info-item .value {
  font-size: 0.95rem;
  color: var(--white);
  line-height: 1.5;
  word-break: break-word;
}
.contact-info-item a:hover { color: var(--green-200); }

.contact-form-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-sm);
}
.form-group { margin-bottom: 20px; }
.form-row {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.form-label {
  display: block;
  font-size: 0.85rem; font-weight: 500;
  color: var(--ink-700);
  margin-bottom: 8px;
}
.form-input, .form-textarea, .form-select {
  width: 100%;
  padding: 13px 16px;
  border: 1.5px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--white);
  color: var(--ink-900);
  font-size: 0.95rem;
  transition: var(--transition);
}
.form-input:focus, .form-textarea:focus, .form-select:focus {
  outline: none;
  border-color: var(--green-500);
  box-shadow: 0 0 0 4px rgba(34, 184, 102, 0.12);
}
.form-textarea { min-height: 130px; resize: vertical; }
.form-input::placeholder, .form-textarea::placeholder { color: var(--ink-300); }

/* ============================================================
   FOOTER
   ============================================================ */
footer {
  background: var(--ink-900);
  color: var(--ink-200);
  padding: 80px 0 32px;
  position: relative;
  overflow: hidden;
}
footer::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--green-500), var(--green-700), var(--sun));
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-brand .nav-logo { margin-bottom: 20px; }
.footer-brand .logo-text { color: var(--white); }
.footer-brand p {
  color: var(--ink-300);
  font-size: 0.95rem;
  max-width: 320px;
  margin-bottom: 24px;
}
.footer-socials {
  display: flex; gap: 10px;
}
.social-btn {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--ink-200);
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
}
.social-btn svg { width: 18px; height: 18px; }
.social-btn:hover {
  background: var(--green-600);
  color: var(--white);
  transform: translateY(-2px);
}
.footer-col h4 {
  color: var(--white);
  font-size: 1rem;
  margin-bottom: 22px;
  letter-spacing: -0.01em;
}
.footer-col ul { display: flex; flex-direction: column; gap: 12px; }
.footer-col a {
  color: var(--ink-300);
  font-size: 0.925rem;
}
.footer-col a:hover { color: var(--green-400); }
.footer-contact-item {
  display: flex; align-items: flex-start; gap: 10px;
  margin-bottom: 14px;
  font-size: 0.925rem;
  color: var(--ink-300);
  line-height: 1.55;
}
.footer-contact-item .icon {
  color: var(--green-400);
  flex-shrink: 0;
  margin-top: 3px;
}
.footer-contact-item .icon svg { width: 16px; height: 16px; }
.footer-contact-item a { color: var(--ink-300); }
.footer-contact-item a:hover { color: var(--green-400); }
.footer-bottom {
  padding-top: 32px;
  display: flex; flex-wrap: wrap; gap: 16px;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--ink-400);
}
.footer-bottom a { color: var(--ink-300); }
.footer-bottom a:hover { color: var(--green-400); }

/* ============================================================
   FLOATING WHATSAPP
   ============================================================ */
.whatsapp-float {
  position: fixed; bottom: 24px; right: 24px;
  width: 58px; height: 58px;
  border-radius: 50%;
  background: #25D366;
  color: var(--white);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 10px 30px rgba(37, 211, 102, 0.4);
  z-index: 999;
  transition: var(--transition);
}
.whatsapp-float svg { width: 28px; height: 28px; }
.whatsapp-float:hover {
  transform: translateY(-4px) scale(1.05);
  box-shadow: 0 16px 40px rgba(37, 211, 102, 0.55);
}

/* ============================================================
   FADE-IN ANIMATIONS
   ============================================================ */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}
.fade-in.visible {
  opacity: 1; transform: translateY(0);
}
.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }

/* ============================================================
   BLOG
   ============================================================ */
.blog-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  display: flex; flex-direction: column;
}
.blog-card:hover {
  border-color: var(--green-200);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.blog-card-image {
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--green-50);
}
.blog-card-image img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.6s var(--ease-out);
}
.blog-card:hover .blog-card-image img { transform: scale(1.05); }
.blog-card-body { padding: 28px; flex: 1; display: flex; flex-direction: column; }
.blog-meta {
  display: flex; gap: 12px;
  font-size: 0.8rem; color: var(--text-subtle);
  margin-bottom: 12px;
}
.blog-meta .cat {
  color: var(--green-700); font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.08em;
}
.blog-card h3 { margin-bottom: 10px; font-size: 1.15rem; line-height: 1.35; }
.blog-card p { font-size: 0.925rem; flex: 1; margin-bottom: 18px; }

/* ============================================================
   PROJECTS
   ============================================================ */
.project-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/5;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.project-card img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.6s var(--ease-out);
}
.project-card:hover { box-shadow: var(--shadow-lg); }
.project-card:hover img { transform: scale(1.08); }
.project-card::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(15, 31, 23, 0.85) 100%);
}
.project-info {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 28px;
  color: var(--white);
  z-index: 2;
}
.project-info .loc {
  font-size: 0.8rem; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--green-300);
  margin-bottom: 8px;
}
.project-info h3 {
  color: var(--white);
  font-size: 1.3rem;
  margin-bottom: 6px;
}
.project-info .meta {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.8);
}

/* ============================================================
   CALCULATOR
   ============================================================ */
.calc-wrap {
  display: grid; grid-template-columns: 1fr 1fr; gap: 40px;
  align-items: start;
}
.calc-form-card, .calc-result-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-sm);
}
.calc-result-card {
  background: linear-gradient(165deg, var(--green-700), var(--green-900));
  color: var(--white);
  border: none;
}
.calc-result-card h3 { color: var(--white); margin-bottom: 10px; }
.calc-result-card p { color: rgba(255, 255, 255, 0.8); }
.calc-result-value {
  font-family: var(--font-display);
  font-size: 3rem; font-weight: 700;
  line-height: 1;
  color: var(--white);
  margin: 20px 0 4px;
}
.calc-result-row {
  display: flex; justify-content: space-between;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}
.calc-result-row:last-child { border-bottom: none; }
.calc-result-row .lbl { color: rgba(255, 255, 255, 0.75); font-size: 0.9rem; }
.calc-result-row .val { color: var(--white); font-weight: 600; font-size: 0.95rem; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .nav-links { display: none; }
  .nav-phone { display: none; }
  .hamburger { display: flex; }
  .nav-cta .btn { display: none; }

  .hero { padding: 120px 0 80px; }
  .hero-content { grid-template-columns: 1fr; gap: 72px; }
  .hero-left { max-width: 720px; margin: 0 auto; text-align: center; }
  .hero-sub { margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
  .hero-badge { margin-left: auto; margin-right: auto; }
  .hero-visual { max-width: 460px; margin: 0 auto; }
  .hero-float-1 { left: -4%; }
  .hero-float-2 { right: -4%; }

  .savings-inner { grid-template-columns: 1fr; gap: 48px; }
  .split { grid-template-columns: 1fr; gap: 48px; }
  .split-image { max-width: 520px; margin: 0 auto; }
  .split-badge { left: 16px; }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .calc-wrap { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 40px; }
}

@media (max-width: 720px) {
  h1 { font-size: clamp(2rem, 8vw, 2.8rem); }
  h2 { font-size: clamp(1.6rem, 6vw, 2.2rem); }

  .section-pad { padding: 72px 0; }
  .hero { padding: 110px 0 64px; }
  .hero-stats { grid-template-columns: repeat(3, 1fr); gap: 18px; }
  .hero-stat .num { font-size: 1.5rem; }
  .hero-stat .label { font-size: 0.75rem; }

  .grid-3, .grid-2, .process-grid, .grid-4 { grid-template-columns: 1fr; gap: 20px; }
  .form-row { grid-template-columns: 1fr; gap: 16px; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; text-align: left; }
  .trust-strip-inner { flex-direction: column; gap: 20px; text-align: center; }
  .trust-logos { justify-content: center; gap: 24px; }
  .trust-logo { font-size: 1rem; }

  .split-badge {
    bottom: 16px; left: 16px; right: 16px;
    max-width: none;
  }
  .card, .testimonial-card { padding: 28px 24px; }
  .contact-form-card, .contact-info-card { padding: 32px 24px; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .page-hero { padding: 130px 0 56px; }

  .whatsapp-float {
    width: 52px; height: 52px;
    bottom: 18px; right: 18px;
  }
  .whatsapp-float svg { width: 24px; height: 24px; }
}

@media (max-width: 420px) {
  .hero-stats { grid-template-columns: 1fr; gap: 16px; text-align: center; }
  .hero-stat { padding: 16px; border: 1px solid var(--border); border-radius: var(--radius-sm); }
  .nav-cta { gap: 0; }
  .hero-visual { aspect-ratio: 3/4; }
}

/* ============================================================
   TOP BAR
   ============================================================ */
.top-bar {
  background: #0F1F17;
  color: rgba(255,255,255,0.85);
  font-size: 0.82rem;
  padding: 9px 0;
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1001;
}
.top-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.top-bar-left {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.top-bar-item {
  display: flex;
  align-items: center;
  gap: 6px;
  color: rgba(255,255,255,0.8);
}
.top-bar-item a {
  color: rgba(255,255,255,0.9);
}
.top-bar-item a:hover { color: var(--green-400); }
.top-bar-divider {
  color: rgba(255,255,255,0.3);
  font-size: 0.75rem;
}
.top-bar-right {
  display: flex;
  align-items: center;
  gap: 10px;
}
.top-social {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px; height: 28px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.8);
  transition: var(--transition);
}
.top-social:hover {
  background: var(--green-600);
  color: #fff;
  transform: translateY(-1px);
}
.top-bar-quote {
  background: var(--green-500);
  color: #fff;
  padding: 5px 14px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.8rem;
  transition: var(--transition);
}
.top-bar-quote:hover { background: var(--green-600); }

/* ── Shift navbar below top-bar ── */
#navbar {
  top: 37px !important;
}
body {
  padding-top: 117px !important;
}
@media (max-width: 640px) {
  .top-bar-left { display: none; }
  #navbar { top: 37px !important; }
  body { padding-top: 110px !important; }
}

/* ============================================================
   LOGO IMAGE
   ============================================================ */
.logo-img {
  height: 48px;
  width: auto;
  object-fit: contain;
  display: block;
}
.footer-logo-img {
  height: 60px;
  width: auto;
  margin-bottom: 12px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 0;
}

/* ============================================================
   HERO IMAGE SLIDER
   ============================================================ */
.hero-slider {
  width: 100%;
  overflow: hidden;
  position: relative;
}
.slider-wrapper {
  position: relative;
  width: 100%;
}
.slider-track {
  display: flex;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform;
}
.slide {
  min-width: 100%;
  position: relative;
  overflow: hidden;
}
.slide img {
  width: 100%;
  height: clamp(280px, 50vw, 600px);
  object-fit: cover;
  object-position: center;
  display: block;
}
.slide-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(0,0,0,0.6) 0%, rgba(0,0,0,0.2) 60%, transparent 100%);
  display: flex;
  align-items: center;
}
.slide-content {
  padding: clamp(24px, 5vw, 80px);
  max-width: 620px;
  animation: slideIn 0.7s var(--ease-out) both;
}
@keyframes slideIn {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
.slide-content h2 {
  color: #fff;
  font-size: clamp(1.5rem, 3.5vw, 2.8rem);
  margin-bottom: 12px;
  text-shadow: 0 2px 8px rgba(0,0,0,0.3);
}
.slide-content p {
  color: rgba(255,255,255,0.9);
  font-size: clamp(0.9rem, 1.5vw, 1.1rem);
  margin-bottom: 24px;
}
.slider-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,0.92);
  color: var(--ink-900);
  border: none;
  width: 44px; height: 44px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  z-index: 10;
  box-shadow: 0 4px 16px rgba(0,0,0,0.18);
}
.slider-btn:hover {
  background: var(--green-500);
  color: #fff;
  transform: translateY(-50%) scale(1.08);
}
.slider-prev { left: 16px; }
.slider-next { right: 16px; }
.slider-dots {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 10;
}
.dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.5);
  border: none;
  cursor: pointer;
  transition: var(--transition);
}
.dot.active {
  background: #fff;
  transform: scale(1.2);
}
@media (max-width: 640px) {
  .slider-btn { width: 36px; height: 36px; }
  .slide-content { padding: 20px; }
}

/* ============================================================
   FOOTER SOCIAL LINKS — updated
   ============================================================ */
.footer-socials a[aria-label="Instagram"]:hover { background: #E1306C; color: #fff; }
.footer-socials a[aria-label="Facebook"]:hover  { background: #1877F2; color: #fff; }
.footer-socials a[aria-label="YouTube"]:hover   { background: #FF0000; color: #fff; }