/* ================================================
   GREENVOLT ENERGY — MAIN STYLESHEET
   ================================================ */

/* ---- 1. CSS Variables & Reset ---- */
:root {
  --primary:        #1a6b3c;
  --primary-dark:   #0d3d22;
  --primary-mid:    #228b4a;
  --primary-light:  #4caf50;
  --accent:         #8bc34a;
  --white:          #ffffff;
  --off-white:      #f8fdf9;
  --gray-50:        #f9f9f9;
  --gray-100:       #f2f2f2;
  --gray-200:       #e4e4e4;
  --gray-300:       #cccccc;
  --gray-500:       #888888;
  --gray-700:       #555555;
  --gray-800:       #333333;
  --dark:           #111111;
  --shadow-xs:      0 2px 6px rgba(0,0,0,0.06);
  --shadow-sm:      0 4px 14px rgba(0,0,0,0.09);
  --shadow:         0 6px 24px rgba(0,0,0,0.12);
  --shadow-lg:      0 12px 48px rgba(0,0,0,0.16);
  --shadow-green:   0 8px 30px rgba(26,107,60,0.25);
  --radius-xs:      4px;
  --radius-sm:      8px;
  --radius:         14px;
  --radius-lg:      24px;
  --radius-xl:      40px;
  --transition:     0.3s ease;
  --transition-slow:0.5s ease;
  --header-h:       76px;
  --container-w:    1240px;
  --section-pad:    96px;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, Helvetica Neue, Arial, sans-serif;
  color: var(--gray-800);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body.nav-open {
  overflow: hidden;
}

img, svg { display: block; max-width: 100%; }

a {
  color: inherit;
  text-decoration: none;
}

ul, ol { list-style: none; }

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

/* ---- 2. Base Typography ---- */
h1, h2, h3, h4, h5 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--gray-800);
}

h1 { font-size: clamp(2rem, 5vw, 3.25rem); }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }
h4 { font-size: 1.125rem; }

p { color: var(--gray-700); line-height: 1.75; }

/* ---- 3. Layout Utilities ---- */
.container {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: var(--section-pad) 0;
}

.section-alt {
  background: var(--off-white);
}

.section-dark {
  background: var(--primary);
  color: var(--white);
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--primary-light);
  background: rgba(76,175,80,0.12);
  padding: 6px 16px;
  border-radius: var(--radius-xl);
  margin-bottom: 14px;
}

.section-title {
  color: var(--gray-800);
  margin-bottom: 16px;
}

.section-dark .section-title { color: var(--white); }

.section-subtitle {
  font-size: 1.05rem;
  color: var(--gray-500);
  max-width: 580px;
  margin: 0 auto;
}

.section-dark .section-subtitle { color: rgba(255,255,255,0.75); }

/* Grid helpers */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 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;
}

/* Screen reader only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ---- 4. Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 30px;
  border-radius: var(--radius-xl);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
  border: 2px solid transparent;
  white-space: nowrap;
}

.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}

.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  box-shadow: var(--shadow-green);
}

.btn-secondary {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}

.btn-secondary:hover {
  background: var(--primary);
  color: var(--white);
}

.btn-white {
  background: var(--white);
  color: var(--primary);
  border-color: var(--white);
}

.btn-white:hover {
  background: transparent;
  color: var(--white);
  box-shadow: 0 0 0 2px rgba(255,255,255,0.4);
}

.btn-outline-white {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.5);
}

.btn-outline-white:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--white);
}

.btn-lg {
  padding: 17px 38px;
  font-size: 1rem;
}

/* ---- 5. Cards (base) ---- */
.card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
  overflow: hidden;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

/* ---- 6. Animations / Keyframes ---- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(40px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-50px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(50px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  33%       { transform: translateY(-18px) rotate(2deg); }
  66%       { transform: translateY(-8px) rotate(-1deg); }
}

@keyframes floatReverse {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  33%       { transform: translateY(12px) rotate(-2deg); }
  66%       { transform: translateY(6px) rotate(1deg); }
}

@keyframes rotateSlow {
  from { transform: translate(-50%,-50%) rotate(0deg); }
  to   { transform: translate(-50%,-50%) rotate(360deg); }
}

@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(76,175,80,0.4); }
  50%       { box-shadow: 0 0 0 20px rgba(76,175,80,0); }
}

@keyframes typing {
  from { width: 0; }
  to   { width: 100%; }
}

@keyframes shimmer {
  0%   { background-position: -200% center; }
  100% { background-position: 200% center; }
}

/* Scroll-triggered animation base states */
.animate {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.animate-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.animate-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.animate-scale {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate.visible,
.animate-left.visible,
.animate-right.visible,
.animate-scale.visible {
  opacity: 1;
  transform: none;
}

/* Staggered delays */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }
.delay-6 { transition-delay: 0.6s; }

/* ---- 7. HEADER / NAVIGATION ---- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-h);
  background: transparent;
  transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
}

.header.scrolled {
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
}

.header.hidden {
  transform: translateY(-100%);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: 20px;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.logo-icon {
  width: 38px;
  height: 38px;
  flex-shrink: 0;
}

.logo-text {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--white);
  transition: color var(--transition);
  line-height: 1;
}

.logo-text span {
  color: var(--primary-light);
}

.header.scrolled .logo-text {
  color: var(--primary-dark);
}

/* Nav menu */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  display: inline-block;
  padding: 8px 16px;
  border-radius: var(--radius-xl);
  font-size: 0.92rem;
  font-weight: 500;
  color: rgba(255,255,255,0.9);
  transition: color var(--transition), background var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--white);
  background: rgba(255,255,255,0.12);
}

.header.scrolled .nav-link {
  color: var(--gray-700);
}

.header.scrolled .nav-link:hover,
.header.scrolled .nav-link.active {
  color: var(--primary);
  background: rgba(26,107,60,0.08);
}

.nav-link.nav-cta {
  background: var(--primary-light);
  color: var(--white) !important;
  padding: 9px 22px;
  font-weight: 600;
}

.nav-link.nav-cta:hover {
  background: var(--primary);
  box-shadow: var(--shadow-green);
}

.header.scrolled .nav-link.nav-cta {
  color: var(--white) !important;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: rgba(255,255,255,0.1);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 10px;
  transition: background var(--transition);
}

.hamburger:hover { background: rgba(255,255,255,0.2); }

.header.scrolled .hamburger { background: var(--gray-100); }
.header.scrolled .hamburger:hover { background: var(--gray-200); }

.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition), width var(--transition);
  transform-origin: center;
}

.header.scrolled .hamburger span { background: var(--gray-800); }

.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; width: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---- 8. HOME HERO SECTION ---- */
.hero {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 55%, #2e9250 100%);
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: var(--header-h);
}

/* Hero background dots pattern */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}

/* Hero decorative shapes */
.hero-shapes {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.hero-shape {
  position: absolute;
  border-radius: 50%;
}

.shape-1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(76,175,80,0.18) 0%, transparent 70%);
  top: -150px;
  right: -80px;
  animation: float 9s ease-in-out infinite;
}

.shape-2 {
  width: 380px;
  height: 380px;
  background: radial-gradient(circle, rgba(139,195,74,0.12) 0%, transparent 70%);
  bottom: -80px;
  left: -100px;
  animation: floatReverse 11s ease-in-out 2s infinite;
}

.shape-3 {
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, rgba(255,255,255,0.06) 0%, transparent 70%);
  top: 35%;
  left: 40%;
  animation: float 7s ease-in-out 1s infinite;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  width: 100%;
  padding: 60px 0;
  position: relative;
  z-index: 1;
}

.hero-content { color: var(--white); }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.9);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: var(--radius-xl);
  margin-bottom: 24px;
  animation: fadeInUp 0.7s ease both;
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary-light);
  animation: pulseGlow 2s ease-in-out infinite;
}

.hero-title {
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 22px;
  animation: fadeInUp 0.7s ease 0.15s both;
}

.hero-title .highlight {
  color: var(--primary-light);
}

.hero-subtitle {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.82);
  margin-bottom: 38px;
  max-width: 500px;
  animation: fadeInUp 0.7s ease 0.3s both;
}

.hero-btns {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  animation: fadeInUp 0.7s ease 0.45s both;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 54px;
  padding-top: 36px;
  border-top: 1px solid rgba(255,255,255,0.15);
  animation: fadeInUp 0.7s ease 0.6s both;
}

.hero-stat-number {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--primary-light);
  display: block;
}

.hero-stat-label {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.65);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Hero visual (right side) */
.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 440px;
  animation: fadeIn 0.8s ease 0.5s both;
}

.hero-globe {
  position: relative;
  width: 300px;
  height: 300px;
}

.globe-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 120px;
  height: 120px;
  background: linear-gradient(135deg, var(--primary-light), var(--accent));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 60px rgba(76,175,80,0.5);
  z-index: 5;
}

.globe-center svg {
  width: 56px;
  height: 56px;
  color: white;
}

.globe-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  border-radius: 50%;
  border: 1.5px solid rgba(76,175,80,0.3);
}

.globe-ring-1 {
  width: 190px;
  height: 190px;
  margin: -95px 0 0 -95px;
  border-color: rgba(76,175,80,0.4);
  animation: rotateSlow 12s linear infinite;
}

.globe-ring-2 {
  width: 280px;
  height: 280px;
  margin: -140px 0 0 -140px;
  border-color: rgba(139,195,74,0.25);
  animation: rotateSlow 18s linear infinite reverse;
}

.globe-ring-3 {
  width: 380px;
  height: 380px;
  margin: -190px 0 0 -190px;
  border-color: rgba(255,255,255,0.1);
  animation: rotateSlow 26s linear infinite;
}

/* Orbital dots */
.globe-ring-1::before {
  content: '';
  position: absolute;
  width: 10px;
  height: 10px;
  background: var(--primary-light);
  border-radius: 50%;
  top: -5px;
  left: 50%;
  margin-left: -5px;
}

.globe-ring-2::after {
  content: '';
  position: absolute;
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  bottom: -4px;
  left: 30%;
  margin-left: -4px;
}

/* Floating energy icons around the globe */
.energy-icon {
  position: absolute;
  width: 52px;
  height: 52px;
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  z-index: 10;
}

.energy-icon-1 { top: 0; left: 50px;  animation: float 6s ease-in-out infinite; }
.energy-icon-2 { bottom: 30px; right: 20px; animation: float 7s ease-in-out 1s infinite; }
.energy-icon-3 { top: 50%; right: -10px; animation: float 5s ease-in-out 2s infinite; }
.energy-icon-4 { bottom: 10px; left: 10px; animation: floatReverse 8s ease-in-out 0.5s infinite; }

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.5);
  font-size: 0.75rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  animation: fadeIn 1s ease 1.2s both;
  z-index: 2;
}

.scroll-mouse {
  width: 24px;
  height: 38px;
  border: 2px solid rgba(255,255,255,0.3);
  border-radius: 12px;
  position: relative;
}

.scroll-mouse::before {
  content: '';
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 8px;
  background: rgba(255,255,255,0.5);
  border-radius: 2px;
  animation: float 1.8s ease-in-out infinite;
}

/* ---- 9. PAGE HERO (sub-pages) ---- */
.page-hero {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, #2e9250 100%);
  padding: calc(var(--header-h) + 70px) 0 80px;
  position: relative;
  overflow: hidden;
  text-align: center;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 28px 28px;
}

.page-hero-tag {
  display: inline-block;
  background: rgba(76,175,80,0.2);
  border: 1px solid rgba(76,175,80,0.3);
  color: var(--primary-light);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 5px 16px;
  border-radius: var(--radius-xl);
  margin-bottom: 16px;
}

.page-hero-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 16px;
}

.page-hero-subtitle {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.75);
  max-width: 560px;
  margin: 0 auto 24px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.55);
  position: relative;
  z-index: 1;
}

.breadcrumb a { color: rgba(255,255,255,0.7); transition: color var(--transition); }
.breadcrumb a:hover { color: var(--white); }
.breadcrumb span { color: rgba(255,255,255,0.4); }

/* ---- 10. SERVICES OVERVIEW (home) ---- */
.services-overview { padding: var(--section-pad) 0; }

.services-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

.service-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 36px 28px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  text-align: center;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-light);
}

.service-icon {
  width: 72px;
  height: 72px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 22px;
  font-size: 1.8rem;
}

.service-icon.solar    { background: linear-gradient(135deg, #ff9800, #ffc107); }
.service-icon.wind     { background: linear-gradient(135deg, #1565c0, #42a5f5); }
.service-icon.hidro    { background: linear-gradient(135deg, #006064, #26c6da); }
.service-icon.jeotermal { background: linear-gradient(135deg, #b71c1c, #ef5350); }

.service-icon svg {
  width: 34px;
  height: 34px;
  color: white;
}

.service-card h3 {
  font-size: 1.1rem;
  margin-bottom: 10px;
  color: var(--gray-800);
}

.service-card p {
  font-size: 0.9rem;
  color: var(--gray-500);
  margin-bottom: 18px;
  line-height: 1.65;
}

.service-link {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap var(--transition), color var(--transition);
}

.service-link:hover { color: var(--primary-light); gap: 10px; }

/* ---- 11. STATS SECTION ---- */
.stats-section {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  padding: 72px 0;
}

.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

.stat-item {
  text-align: center;
  padding: 28px 20px;
  border-radius: var(--radius);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  transition: background var(--transition), transform var(--transition);
}

.stat-item:hover {
  background: rgba(255,255,255,0.1);
  transform: translateY(-4px);
}

.stat-number {
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--primary-light);
  line-height: 1;
  margin-bottom: 8px;
  display: block;
}

.stat-label {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.7);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-weight: 600;
}

/* ---- 12. TESTIMONIALS ---- */
.testimonials-section { padding: var(--section-pad) 0; background: var(--gray-50); }

.testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }

.testimonial-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 36px 30px;
  box-shadow: var(--shadow-sm);
  border: 2px solid transparent;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  position: relative;
}

.testimonial-card::before {
  content: '\201C';
  position: absolute;
  top: 20px;
  left: 26px;
  font-size: 5rem;
  color: rgba(76,175,80,0.12);
  font-family: Georgia, serif;
  line-height: 1;
}

.testimonial-card.featured,
.testimonial-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-light);
}

.testimonial-stars {
  display: flex;
  gap: 3px;
  margin-bottom: 16px;
}

.testimonial-stars span { color: #ffc107; font-size: 1rem; }

.testimonial-text {
  font-size: 0.95rem;
  color: var(--gray-700);
  line-height: 1.75;
  margin-bottom: 24px;
  font-style: italic;
  position: relative;
  z-index: 1;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 14px;
}

.testimonial-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  color: white;
  flex-shrink: 0;
}

.avatar-1 { background: linear-gradient(135deg, #1a6b3c, #4caf50); }
.avatar-2 { background: linear-gradient(135deg, #1565c0, #42a5f5); }
.avatar-3 { background: linear-gradient(135deg, #b71c1c, #ef5350); }
.avatar-4 { background: linear-gradient(135deg, #6a1b9a, #ab47bc); }
.avatar-5 { background: linear-gradient(135deg, #e65100, #ff9800); }
.avatar-6 { background: linear-gradient(135deg, #006064, #26c6da); }

.testimonial-name {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--gray-800);
}

.testimonial-role {
  font-size: 0.82rem;
  color: var(--gray-500);
}

/* ---- 13. CTA BANNER ---- */
.cta-banner {
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
  padding: 72px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 24px 24px;
}

.cta-banner h2 {
  color: var(--white);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin-bottom: 14px;
  position: relative;
}

.cta-banner p {
  color: rgba(255,255,255,0.8);
  font-size: 1.05rem;
  margin-bottom: 32px;
  position: relative;
}

.cta-banner .btn-group {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
}

/* ---- 14. ABOUT PAGE ---- */
.about-story { padding: var(--section-pad) 0; }

.about-story-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}

.about-visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 460px;
}

.about-img-placeholder {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
  padding: 40px;
}

.about-img-icon {
  font-size: 5rem;
  opacity: 0.85;
}

.about-img-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  width: 100%;
}

.about-img-stat {
  background: rgba(255,255,255,0.12);
  border-radius: var(--radius-sm);
  padding: 16px;
  text-align: center;
  border: 1px solid rgba(255,255,255,0.15);
}

.about-img-stat-n {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--primary-light);
  display: block;
}

.about-img-stat-l {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.7);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.about-content { padding: 10px 0; }

.about-content .section-tag { text-align: left; }

.about-content h2 {
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  color: var(--gray-800);
  margin-bottom: 18px;
  line-height: 1.25;
}

.about-content p {
  margin-bottom: 16px;
  font-size: 0.98rem;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 28px;
}

.about-feature {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--gray-700);
}

.about-feature-dot {
  width: 8px;
  height: 8px;
  background: var(--primary-light);
  border-radius: 50%;
  flex-shrink: 0;
}

/* Mission / Vision */
.mv-section { padding: var(--section-pad) 0; background: var(--gray-50); }

.mv-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.mv-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 40px 32px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  transition: transform var(--transition), box-shadow var(--transition);
}

.mv-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.mv-icon {
  width: 70px;
  height: 70px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin: 0 auto 22px;
  color: white;
}

.mv-card h3 {
  color: var(--primary);
  font-size: 1.2rem;
  margin-bottom: 14px;
}

.mv-card p { font-size: 0.93rem; color: var(--gray-600, #666); }

/* Values */
.values-section { padding: var(--section-pad) 0; }

.values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.value-item {
  background: var(--white);
  border-radius: var(--radius);
  padding: 30px 24px;
  border: 1px solid var(--gray-200);
  transition: transform var(--transition), border-color var(--transition);
  text-align: center;
}

.value-item:hover {
  transform: translateY(-4px);
  border-color: var(--primary-light);
}

.value-emoji {
  font-size: 2.4rem;
  margin-bottom: 14px;
  display: block;
}

.value-item h4 {
  color: var(--primary);
  margin-bottom: 8px;
  font-size: 1rem;
}

.value-item p { font-size: 0.85rem; color: var(--gray-500); }

/* Team Section */
.team-section { padding: var(--section-pad) 0; background: var(--gray-50); }

.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.team-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
  text-align: center;
}

.team-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.team-avatar-wrap {
  padding: 36px 36px 0;
}

.team-avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: 800;
  color: white;
  margin: 0 auto;
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}

.team-body {
  padding: 22px 28px 30px;
}

.team-name { font-size: 1.1rem; margin-bottom: 4px; color: var(--gray-800); }

.team-role {
  font-size: 0.85rem;
  color: var(--primary-light);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 12px;
}

.team-bio { font-size: 0.87rem; color: var(--gray-500); line-height: 1.65; }

.team-socials {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-top: 16px;
}

.team-social {
  width: 34px;
  height: 34px;
  background: var(--gray-100);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--gray-600);
  transition: background var(--transition), color var(--transition);
}

.team-social:hover { background: var(--primary); color: white; }

/* ---- 15. SERVICES DETAIL PAGE ---- */
.service-detail {
  padding: var(--section-pad) 0;
}

.service-detail:nth-child(even) { background: var(--gray-50); }

.service-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: center;
}

.service-detail-grid.reverse { direction: rtl; }
.service-detail-grid.reverse > * { direction: ltr; }

.service-detail-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 400px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.service-img-solar     { background: linear-gradient(135deg, #e65100, #ff9800, #ffc107); }
.service-img-wind      { background: linear-gradient(135deg, #0d47a1, #1565c0, #42a5f5); }
.service-img-hidro     { background: linear-gradient(135deg, #004d40, #00695c, #26a69a); }
.service-img-jeotermal { background: linear-gradient(135deg, #880e4f, #b71c1c, #e53935); }

.service-detail-emoji {
  font-size: 7rem;
  opacity: 0.85;
  filter: drop-shadow(0 4px 24px rgba(0,0,0,0.2));
  text-align: center;
}

.service-detail-badge {
  position: absolute;
  top: 20px;
  left: 20px;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.25);
  color: white;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: var(--radius-xl);
  backdrop-filter: blur(8px);
}

.service-detail-content .section-tag { text-align: left; }

.service-detail-content h2 {
  font-size: clamp(1.6rem, 2.8vw, 2.2rem);
  color: var(--gray-800);
  margin: 12px 0 18px;
  line-height: 1.25;
}

.service-detail-content > p {
  margin-bottom: 28px;
  font-size: 0.98rem;
}

.service-features {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  background: var(--gray-50);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--primary-light);
  transition: background var(--transition);
}

.feature-item:hover { background: rgba(76,175,80,0.06); }

.feature-check {
  width: 22px;
  height: 22px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 0.7rem;
  color: white;
  margin-top: 1px;
}

.feature-text { font-size: 0.9rem; color: var(--gray-700); line-height: 1.5; }
.feature-text strong { color: var(--gray-800); display: block; margin-bottom: 2px; }

/* Services benefits section */
.benefits-section {
  padding: 72px 0;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.benefit-item {
  text-align: center;
  padding: 28px 20px;
  background: rgba(255,255,255,0.07);
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.1);
}

.benefit-icon { font-size: 2.4rem; margin-bottom: 14px; display: block; }
.benefit-item h4 { color: var(--white); font-size: 1rem; margin-bottom: 8px; }
.benefit-item p { font-size: 0.85rem; color: rgba(255,255,255,0.65); line-height: 1.6; }

/* ---- 16. PROJECTS PAGE ---- */
.filter-section {
  padding: 48px 0 0;
  text-align: center;
}

.filter-buttons {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 10px 24px;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-xl);
  background: var(--white);
  color: var(--gray-700);
  font-weight: 600;
  font-size: 0.88rem;
  cursor: pointer;
  transition: all var(--transition);
}

.filter-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.filter-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--white);
  box-shadow: var(--shadow-green);
}

.projects-section { padding: 48px 0 var(--section-pad); }

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.project-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), box-shadow var(--transition), opacity 0.3s ease;
}

.project-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.project-image {
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  position: relative;
  overflow: hidden;
}

.project-image.solar     { background: linear-gradient(135deg, #e65100, #ff9800, #ffc107); }
.project-image.wind      { background: linear-gradient(135deg, #0d47a1, #1976d2, #42a5f5); }
.project-image.hidro     { background: linear-gradient(135deg, #004d40, #00695c, #4db6ac); }
.project-image.jeotermal { background: linear-gradient(135deg, #880e4f, #c62828, #e57373); }

.project-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.25), transparent);
}

.project-capacity {
  position: absolute;
  bottom: 14px;
  right: 14px;
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.25);
  color: white;
  font-size: 0.82rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-xl);
  z-index: 1;
}

.project-body {
  padding: 22px 24px 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.project-category-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  padding: 3px 12px;
  border-radius: var(--radius-xl);
  margin-bottom: 10px;
}

.badge-solar     { background: rgba(255,152,0,0.12); color: #e65100; }
.badge-wind      { background: rgba(21,101,192,0.1);  color: #0d47a1; }
.badge-hidro     { background: rgba(0,105,92,0.1);    color: #004d40; }
.badge-jeotermal { background: rgba(183,28,28,0.1);   color: #880e4f; }

.project-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 8px;
  line-height: 1.3;
}

.project-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--gray-200);
}

.project-meta-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.83rem;
  color: var(--gray-500);
}

.project-meta-icon { font-size: 0.9rem; }

.project-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  font-weight: 600;
  color: #2e7d32;
  background: rgba(46,125,50,0.1);
  padding: 3px 10px;
  border-radius: var(--radius-xl);
  margin-left: auto;
}

.project-status::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #4caf50;
  display: block;
}

/* ---- 17. CONTACT PAGE ---- */
.contact-section { padding: var(--section-pad) 0; }

.contact-grid {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 48px;
  align-items: start;
}

.contact-form-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 48px 44px;
  box-shadow: var(--shadow);
  border: 1px solid var(--gray-200);
}

.contact-form-card h3 {
  font-size: 1.5rem;
  color: var(--primary);
  margin-bottom: 6px;
}

.contact-form-card > p {
  font-size: 0.93rem;
  color: var(--gray-500);
  margin-bottom: 32px;
}

.contact-form { display: flex; flex-direction: column; gap: 18px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }

.form-group { display: flex; flex-direction: column; gap: 6px; }

.form-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gray-700);
}

.form-input,
.form-select,
.form-textarea {
  padding: 12px 16px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  background: var(--gray-50);
  color: var(--gray-800);
  font-size: 0.93rem;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
  width: 100%;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary-light);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(76,175,80,0.12);
}

.form-textarea { resize: vertical; min-height: 130px; }

.form-select { cursor: pointer; }

.btn-submit {
  width: 100%;
  padding: 15px;
  background: var(--primary);
  color: var(--white);
  border: none;
  border-radius: var(--radius-xl);
  font-size: 0.98rem;
  font-weight: 700;
  cursor: pointer;
  letter-spacing: 0.5px;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}

.btn-submit:hover:not(:disabled) {
  background: var(--primary-dark);
  box-shadow: var(--shadow-green);
  transform: translateY(-2px);
}

.btn-submit:disabled { opacity: 0.7; cursor: not-allowed; }

.form-success {
  display: none;
  background: rgba(76,175,80,0.1);
  border: 1.5px solid var(--primary-light);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  color: var(--primary);
  font-weight: 600;
  font-size: 0.93rem;
  text-align: center;
}

.form-success.show { display: block; }

/* Contact sidebar */
.contact-sidebar { display: flex; flex-direction: column; gap: 24px; }

.contact-info-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px 28px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
}

.contact-info-card h4 {
  font-size: 1.1rem;
  color: var(--primary);
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--gray-100);
}

.contact-info-items { display: flex; flex-direction: column; gap: 18px; }

.contact-info-item { display: flex; gap: 14px; align-items: flex-start; }

.contact-info-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
  color: white;
}

.contact-info-content {}

.contact-info-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--gray-500);
  margin-bottom: 3px;
}

.contact-info-value {
  font-size: 0.9rem;
  color: var(--gray-800);
  line-height: 1.5;
}

.contact-info-value a { color: var(--primary); transition: color var(--transition); }
.contact-info-value a:hover { color: var(--primary-light); }

/* Map placeholder */
.map-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
}

.map-placeholder {
  height: 220px;
  background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 50%, #a5d6a7 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 3rem;
  position: relative;
  overflow: hidden;
}

.map-placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(26,107,60,0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(26,107,60,0.08) 1px, transparent 1px);
  background-size: 30px 30px;
}

.map-placeholder-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary);
  background: white;
  padding: 6px 16px;
  border-radius: var(--radius-xl);
  z-index: 1;
  box-shadow: var(--shadow-xs);
}

.map-card-body {
  padding: 18px 20px;
  font-size: 0.88rem;
  color: var(--gray-600);
  line-height: 1.5;
}

/* Hours table */
.hours-table { width: 100%; border-collapse: collapse; font-size: 0.87rem; }
.hours-table tr { border-bottom: 1px solid var(--gray-100); }
.hours-table tr:last-child { border-bottom: none; }
.hours-table td { padding: 8px 0; color: var(--gray-700); }
.hours-table td:last-child { text-align: right; color: var(--gray-800); font-weight: 600; }

/* ---- 18. FOOTER ---- */
.footer {
  background: var(--primary-dark);
  color: var(--white);
  padding: 72px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 2fr;
  gap: 48px;
  padding-bottom: 56px;
}

.footer-brand {}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  text-decoration: none;
}

.footer-logo-text {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--white);
}

.footer-logo-text span { color: var(--primary-light); }

.footer-brand p {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.75;
  margin-bottom: 24px;
}

.social-links { display: flex; gap: 10px; }

.social-link {
  width: 38px;
  height: 38px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  color: rgba(255,255,255,0.7);
  transition: background var(--transition), color var(--transition), transform var(--transition);
  text-decoration: none;
}

.social-link:hover {
  background: var(--primary-light);
  color: var(--white);
  border-color: var(--primary-light);
  transform: translateY(-3px);
}

.footer-col h4 {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: rgba(255,255,255,0.5);
  margin-bottom: 20px;
}

.footer-links-list { display: flex; flex-direction: column; gap: 10px; }

.footer-links-list a {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.65);
  transition: color var(--transition), padding-left var(--transition);
  display: flex;
  align-items: center;
  gap: 6px;
}

.footer-links-list a::before {
  content: '›';
  color: var(--primary-light);
  font-size: 1.1rem;
  transition: transform var(--transition);
}

.footer-links-list a:hover { color: var(--white); padding-left: 4px; }

.footer-newsletter h4 { color: rgba(255,255,255,0.5); font-size: 0.85rem; letter-spacing: 1.5px; text-transform: uppercase; margin-bottom: 20px; }

.footer-newsletter p { font-size: 0.88rem; color: rgba(255,255,255,0.55); margin-bottom: 18px; line-height: 1.65; }

.newsletter-form { display: flex; gap: 0; border-radius: var(--radius-xl); overflow: hidden; }

.newsletter-form input {
  flex: 1;
  padding: 12px 18px;
  border: none;
  background: rgba(255,255,255,0.08);
  color: var(--white);
  font-size: 0.88rem;
  border-right: none;
  outline: none;
}

.newsletter-form input::placeholder { color: rgba(255,255,255,0.35); }

.newsletter-form button {
  padding: 12px 20px;
  background: var(--primary-light);
  color: var(--white);
  border: none;
  cursor: pointer;
  font-weight: 700;
  font-size: 0.85rem;
  transition: background var(--transition);
  white-space: nowrap;
}

.newsletter-form button:hover { background: var(--accent); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 22px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.footer-bottom p {
  font-size: 0.83rem;
  color: rgba(255,255,255,0.4);
}

.footer-bottom a { color: rgba(255,255,255,0.5); transition: color var(--transition); }
.footer-bottom a:hover { color: var(--primary-light); }

/* ---- 19. RESPONSIVE — Tablet (≤1024px) ---- */
@media (max-width: 1024px) {
  :root { --section-pad: 72px; }

  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .values-grid { grid-template-columns: repeat(2, 1fr); }
  .benefits-grid { grid-template-columns: repeat(2, 1fr); }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .about-story-grid { gap: 48px; }
  .service-detail-grid { gap: 48px; }
  .hero-inner { gap: 40px; }
}

/* ---- 20. RESPONSIVE — Mobile (≤768px) ---- */
@media (max-width: 768px) {
  :root { --section-pad: 56px; }

  /* Mobile nav */
  .hamburger { display: flex; }

  .nav-menu {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10,40,22,0.98);
    backdrop-filter: blur(16px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 8px;
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.4,0,0.2,1);
    z-index: 999;
  }

  .nav-menu.open { transform: translateX(0); }

  .nav-link {
    font-size: 1.25rem;
    padding: 14px 32px;
    color: rgba(255,255,255,0.85) !important;
  }

  .nav-link.nav-cta {
    margin-top: 12px;
    padding: 14px 36px;
    font-size: 1.1rem;
  }

  .header.scrolled .nav-link:not(.nav-cta) { color: rgba(255,255,255,0.85) !important; }

  /* Hero */
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 40px 0;
    text-align: center;
  }

  .hero-subtitle { margin: 0 auto 32px; }
  .hero-btns { justify-content: center; }
  .hero-stats { grid-template-columns: repeat(3, 1fr); gap: 12px; }
  .hero-visual { min-height: 280px; }
  .globe-ring-3 { display: none; }

  /* Grids → single column */
  .grid-2, .grid-3, .grid-4,
  .services-grid, .stats-grid,
  .testimonials-grid, .mv-grid,
  .values-grid, .team-grid,
  .benefits-grid, .projects-grid {
    grid-template-columns: 1fr;
  }

  .stats-grid { grid-template-columns: repeat(2, 1fr); }

  /* About */
  .about-story-grid { grid-template-columns: 1fr; gap: 36px; }
  .about-visual { min-height: 320px; order: -1; }
  .about-features { grid-template-columns: 1fr; }

  /* Services detail */
  .service-detail-grid,
  .service-detail-grid.reverse {
    grid-template-columns: 1fr;
    direction: ltr;
    gap: 36px;
  }

  .service-detail-image { min-height: 260px; }

  /* Contact */
  .contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .contact-form-card { padding: 30px 22px; }
  .form-row { grid-template-columns: 1fr; }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .footer-bottom { flex-direction: column; text-align: center; gap: 8px; }

  /* CTA */
  .cta-banner .btn-group { flex-direction: column; align-items: center; }
  .cta-banner .btn { width: 100%; max-width: 280px; justify-content: center; }
}

/* ---- 21. RESPONSIVE — Small mobile (≤480px) ---- */
@media (max-width: 480px) {
  :root { --section-pad: 44px; }

  .hero-title { font-size: 1.8rem; }
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .hero-stat-number { font-size: 1.5rem; }

  .section-header { margin-bottom: 40px; }
  .service-card { padding: 26px 20px; }
  .contact-form-card { padding: 24px 16px; }

  .filter-buttons { gap: 8px; }
  .filter-btn { padding: 8px 16px; font-size: 0.82rem; }

  .newsletter-form { flex-direction: column; border-radius: 0; }
  .newsletter-form input { border-radius: var(--radius-sm); }
  .newsletter-form button { border-radius: var(--radius-sm); }
}