/* ==============================
   RESET & BASE
   ============================== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: #222;
  background: #fff;
  line-height: 1.6;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; transition: color 0.3s ease; }
img { max-width: 100%; height: auto; display: block; }
button { border: none; background: none; cursor: pointer; font-family: inherit; }

.container {
  max-width: 1550px;
  margin: 0 auto;
  padding: 0 40px;
}

.container-sm { max-width: 860px; }
.section { padding: 100px 0; }
.text-center { text-align: center; }
.mt-24 { margin-top: 24px; }
.mt-40 { margin-top: 40px; }

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

.section-header h2 {
  font-size: clamp(28px, 3vw, 44px);
  font-weight: 800;
  color: #222;
  margin-bottom: 16px;
}

.section-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: #2a9d60;
  margin-bottom: 12px;
}

.section-tag-light { color: rgba(255,255,255,0.5); }

.section-subtitle {
  font-size: 17px;
  color: #666;
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ==============================
   BUTTONS
   ============================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 15px;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  letter-spacing: 0.3px;
  white-space: nowrap;
}

.btn-primary {
  background: #2a9d60;
  color: #fff;
}

.btn-primary:hover {
  background: #228a52;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(42, 157, 96, 0.35);
}

.btn-secondary { background: #2e3a33; color: #fff; }
.btn-secondary:hover {
  background: #3e4a43;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}

.btn-outline-white {
  border: 1.5px solid rgba(255,255,255,0.5);
  color: #fff;
  background: transparent;
}

.btn-outline-white:hover {
  background: rgba(42,157,96,0.12);
  border-color: #2a9d60;
}

.btn-lg { padding: 18px 40px; font-size: 16px; }

.arrow { transition: transform 0.3s ease; display: inline-block; }
.btn:hover .arrow,
.service-link:hover .arrow { transform: translateX(4px); }

/* ==============================
   HEADER
   ============================== */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(0,0,0,0.1);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: background 0.4s ease, box-shadow 0.4s ease;
}

.header.scrolled {
  background: rgba(255,255,255,0.97);
  box-shadow: 0 2px 20px rgba(0,0,0,0.08);
}

.header.scrolled .nav-link,
.header.scrolled .nav-link svg { color: #222; }
.header.scrolled .header-phone { color: #222; }
.header.scrolled .mobile-menu-btn span { background: #222; }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 40px;
  max-width: 1550px;
  margin: 0 auto;
}

.logo-text {
  font-size: 28px;
  font-weight: 900;
  color: #2a9d60;
  letter-spacing: 3px;
}

.nav-desktop { display: flex; align-items: center; gap: 4px; }

.nav-item { position: relative; }

.nav-link {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  color: #fff;
  font-weight: 500;
  font-size: 15px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.nav-link:hover { background: rgba(255,255,255,0.15); }
.header.scrolled .nav-link:hover { background: rgba(0,0,0,0.05); }

.nav-link svg {
  width: 10px; height: 10px;
  color: inherit;
  transition: transform 0.3s ease;
}

.nav-item:hover .nav-link svg { transform: rotate(180deg); }

/* Dropdown */
.dropdown {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: #fff;
  border-radius: 16px;
  padding: 12px;
  min-width: 240px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.15);
  opacity: 0;
  visibility: hidden;
  transition: all 0.35s cubic-bezier(0.4,0,0.2,1);
  pointer-events: none;
}

.dropdown-services {
  min-width: 840px;
  padding: 24px;
  left: 50%;
}

.nav-item:hover .dropdown {
  opacity: 1; visibility: visible;
  transform: translateX(-50%) translateY(0);
  pointer-events: all;
}

.dropdown-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.dropdown-card {
  display: flex;
  flex-direction: column;
  border-radius: 14px;
  overflow: hidden;
  text-decoration: none;
  color: #222;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  background: #f8f8f8;
}

.dropdown-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
}

.dropdown-card-img {
  width: 100%;
  height: 135px;
  background-size: cover;
  background-position: center;
}

.dropdown-card-label {
  padding: 14px 12px;
  font-size: 14px;
  font-weight: 600;
  text-align: center;
  line-height: 1.3;
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 10px;
  color: #222;
  font-size: 14px;
  font-weight: 500;
  transition: background 0.25s ease;
}

.dropdown-item:hover { background: #f5f5f5; }

.header-right { display: flex; align-items: center; gap: 16px; }

.header-phone {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #fff;
  font-weight: 600;
  font-size: 14px;
  transition: color 0.3s ease;
}

.header-phone:hover { color: #2a9d60; }

/* Mobile Menu Button */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}

.mobile-menu-btn span {
  display: block; width: 24px; height: 2px;
  background: #fff; border-radius: 2px;
  transition: all 0.35s ease;
}

.mobile-menu-btn.active span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.mobile-menu-btn.active span:nth-child(2) { opacity: 0; }
.mobile-menu-btn.active span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: #fff;
  z-index: 999;
  padding-top: 80px;
  transform: translateX(100%);
  transition: transform 0.45s cubic-bezier(0.4,0,0.2,1);
  overflow-y: auto;
}

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

.mobile-menu-inner { padding: 32px 24px; }

.mobile-nav-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  font-size: 18px;
  font-weight: 600;
  cursor: pointer;
  border-bottom: 1px solid #eee;
}

.mobile-nav-heading svg { transition: transform 0.3s ease; }
.mobile-nav-heading.active svg { transform: rotate(180deg); }

.mobile-nav-sub {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.mobile-nav-sub a {
  display: block;
  padding: 12px 16px;
  color: #555;
  font-size: 15px;
}

.mobile-nav-link-direct {
  display: block;
  padding: 16px 0;
  font-size: 18px;
  font-weight: 600;
  border-bottom: 1px solid #eee;
}

.mobile-phone-link { color: #2a9d60; }
.mobile-cta { display: block; text-align: center; margin-top: 24px; }

/* ==============================
   HERO — fullscreen with slider like astrawatt
   ============================== */
.hero {
  position: relative;
  height: 100vh;
  min-height: 700px;
  max-height: 1000px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-slider {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1.2s ease-in-out;
  transform: scale(1.05);
}

.hero-slide.active {
  opacity: 1;
  transform: scale(1);
  transition: opacity 1.2s ease-in-out, transform 7s ease-out;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.55) 0%, rgba(0,0,0,0.35) 50%, rgba(0,0,0,0.65) 100%);
  z-index: 1;
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 1550px;
  margin: 0 auto;
  padding: 0 40px;
  width: 100%;
}

.hero-inner-row {
  display: flex;
  align-items: stretch;
  gap: 40px;
}

.hero-col {
  flex: 1;
  min-width: 0;
}

.hero-col-left {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 280px;
}

.hero-col-right {
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

/* hero-stat-slider is used instead of old grid */

.hero-content {
  max-width: 680px;
  color: #fff;
}

.hero-badge {
  display: inline-block;
  padding: 8px 20px;
  background: rgba(42,157,96,0.2);
  border: 1px solid rgba(42,157,96,0.4);
  border-radius: 50px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  color: #2a9d60;
  margin-bottom: 24px;
}

.hero-title {
  font-size: clamp(32px, 4.5vw, 48px);
  font-weight: 900;
  line-height: 1.12;
  margin-bottom: 20px;
}

.hero-title .highlight { color: #2a9d60; }

.hero-text {
  font-size: 17px;
  line-height: 1.8;
  opacity: 0.85;
  margin-bottom: 32px;
  max-width: 560px;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* Hero Stat Slider — astrawatt-style single stat carousel */
.hero-stat-slider {
  position: relative;
  width: 100%;
  max-width: 360px;
  height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.stat-slide {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #fff;
  background: rgba(255,255,255,0.06);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 24px;
  padding: 40px 32px;
  opacity: 0;
  transform: scale(0.92);
  transition: opacity 0.6s cubic-bezier(0.4,0,0.2,1), transform 0.6s cubic-bezier(0.4,0,0.2,1);
  pointer-events: none;
}

.stat-slide.active {
  opacity: 1;
  transform: scale(1);
  pointer-events: auto;
}

.stat-number {
  display: block;
  font-size: 64px;
  font-weight: 900;
  line-height: 1;
  color: #2a9d60;
  margin-bottom: 12px;
  letter-spacing: -1px;
}

.stat-label {
  font-size: 16px;
  opacity: 0.8;
  font-weight: 500;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

/* Stat Slider Dots — progress bar style */
.stat-slider-dots {
  position: absolute;
  bottom: -40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 3;
}

.stat-dot {
  width: 40px;
  height: 3px;
  border-radius: 3px;
  background: rgba(255,255,255,0.2);
  overflow: hidden;
  cursor: pointer;
  position: relative;
  transition: background 0.3s ease;
}

.stat-dot:hover {
  background: rgba(255,255,255,0.35);
}

.stat-dot-progress {
  position: absolute;
  left: 0; top: 0;
  height: 100%;
  width: 0;
  background: #2a9d60;
  border-radius: 3px;
}

.stat-dot.active .stat-dot-progress {
  animation: statDotProgress 4s linear forwards;
}

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

/* Hero Pagination */
.hero-pagination {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  gap: 8px;
}

.hero-dot {
  width: 40px; height: 4px;
  border-radius: 4px;
  background: rgba(255,255,255,0.3);
  overflow: hidden;
  cursor: pointer;
  position: relative;
}

.dot-progress {
  position: absolute;
  left: 0; top: 0;
  height: 100%;
  width: 0;
  background: #2a9d60;
  border-radius: 4px;
}

.hero-dot.active .dot-progress {
  animation: dotProgress 7s linear forwards;
}

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

/* ==============================
   SERVICES — large image cards like astrawatt
   ============================== */
.services { background: #f8f7f6; }

.services-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.service-card {
  position: relative;
  height: 400px;
  border-radius: 20px;
  overflow: hidden;
  background-size: cover;
  background-position: center;
  cursor: pointer;
}

.service-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 30%, rgba(0,0,0,0.75) 100%);
  transition: background 0.4s ease;
}

.service-card:hover .service-card-overlay {
  background: linear-gradient(180deg, transparent 10%, rgba(0,0,0,0.85) 100%);
}

.service-card-content {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 32px;
  color: #fff;
  transform: translateY(10px);
  transition: transform 0.4s ease;
}

.service-card:hover .service-card-content { transform: translateY(0); }

.service-tag {
  font-size: 28px;
  display: block;
  margin-bottom: 8px;
}

.service-card-content h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
}

.service-card-content p {
  font-size: 15px;
  opacity: 0;
  max-height: 0;
  overflow: hidden;
  transition: opacity 0.4s ease 0.1s, max-height 0.4s ease;
  line-height: 1.6;
  margin-bottom: 0;
}

.service-card:hover .service-card-content p {
  opacity: 0.9;
  max-height: 100px;
  margin-bottom: 16px;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #2a9d60;
  font-weight: 600;
  font-size: 14px;
  opacity: 0;
  transition: opacity 0.3s ease 0.2s, gap 0.3s ease;
}

.service-card:hover .service-link { opacity: 1; }
.service-link:hover { gap: 10px; }

/* ==============================
   SIZES — Astrawatt-style product cards
   ============================== */
.sizes { background: #fff; }

.sizes-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
}

.size-card {
  position: relative;
  border-radius: 20px;
  background: #f8f7f6;
  overflow: hidden;
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.size-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 50px rgba(0,0,0,0.1);
}

.size-card.popular {
  box-shadow: 0 0 0 2px #2a9d60;
}

.size-card.popular:hover {
  box-shadow: 0 0 0 2px #2a9d60, 0 20px 50px rgba(0,0,0,0.1);
}

.popular-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 2;
  background: #2a9d60;
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 50px;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.size-card-img {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.size-card-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.3) 50%, rgba(0,0,0,0) 100%);
  z-index: 1;
  pointer-events: none;
}

.size-card-img-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 0.5s ease;
}

.size-card:hover .size-card-img-bg {
  transform: scale(1.06);
}

.size-badge-wrap {
  position: absolute;
  bottom: 12px;
  right: 12px;
}

.size-badge {
  display: inline-block;
  background: rgba(0,0,0,0.65);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: #fff;
  font-size: 14px;
  font-weight: 800;
  padding: 6px 14px;
  border-radius: 10px;
  letter-spacing: 0.3px;
}

.size-card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.size-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: #222;
}

.size-card-body > p {
  font-size: 14px;
  color: #666;
  line-height: 1.6;
}

.size-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 8px;
  padding-top: 16px;
  border-top: 1px solid #e8e8e8;
}

.size-price {
  font-size: 16px;
  font-weight: 800;
  color: #222;
}

.size-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #2a9d60;
  font-weight: 600;
  font-size: 14px;
  transition: gap 0.3s ease;
}

.size-link:hover { gap: 10px; }

/* ==============================
   TRUST BAR — dark section like astrawatt benefits
   ============================== */
.trust-bar {
  background: #f0f5f2;
  color: #333;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.trust-card {
  text-align: center;
  padding: 40px 20px;
  border-radius: 16px;
  background: #fff;
  border: 1px solid #dde8e2;
  transition: background 0.4s ease, transform 0.4s ease;
}

.trust-card:hover {
  background: #f8fdf9;
  transform: translateY(-4px);
}

.trust-icon { margin-bottom: 20px; }

.trust-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
}

.trust-card p {
  font-size: 14px;
  line-height: 1.7;
  opacity: 0.7;
}

/* ==============================
   PROCESS — expanding cards like astrawatt projects
   ============================== */
.process { background: #f8f7f6; }

.process-grid {
  display: flex;
  gap: 16px;
  height: 440px;
}

.process-card {
  position: relative;
  flex: 1 1 0%;
  border-radius: 20px;
  overflow: hidden;
  cursor: pointer;
  transition: flex 0.3s cubic-bezier(0.4,0,0.2,1), box-shadow 0.3s ease;
  will-change: flex;
}

.process-card:hover {
  box-shadow: 0 12px 40px rgba(42,157,96,0.2);
}

.process-card.active { flex: 2.8 0 0%; }

.process-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 20px;
  border: 2px solid transparent;
  transition: border-color 0.4s ease;
  pointer-events: none;
  z-index: 2;
}

.process-card.active::after {
  border-color: rgba(42,157,96,0.5);
}

.process-bg {
  position: absolute;
  inset: 0;
  transition: transform 0.3s ease;
}

.process-card:hover .process-bg {
  transform: scale(1.05);
}

.process-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,1) 0%, rgba(0,0,0,0.7) 50%, rgba(0,0,0,0) 100%);
  transition: opacity 0.3s ease;
}

.process-card.active .process-card-overlay {
  background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0.5) 50%, rgba(0,0,0,0) 100%);
}

.process-card-content {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 28px;
  color: #fff;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.process-step-num {
  display: block;
  font-size: 42px;
  font-weight: 900;
  opacity: 0.25;
  margin-bottom: 6px;
  line-height: 1;
  transition: opacity 0.3s ease, font-size 0.3s ease;
}

.process-card.active .process-step-num {
  opacity: 0.4;
  font-size: 52px;
}

.process-card-content h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: font-size 0.3s ease, margin-bottom 0.3s ease;
}

.process-card.active .process-card-content h3 {
  font-size: 22px;
  margin-bottom: 10px;
  white-space: normal;
}

.process-desc {
  font-size: 14px;
  line-height: 1.6;
  opacity: 0;
  max-height: 0;
  overflow: hidden;
  transition: opacity 0.3s ease 0.1s, max-height 0.3s cubic-bezier(0.4,0,0.2,1);
}

.process-card.active .process-desc {
  opacity: 0.85;
  max-height: 140px;
}

/* ==============================
   PRICING
   ============================== */
.pricing { background: #fff; }

.price-block {
  background: #f8f7f6;
  border-radius: 20px;
  padding: 40px;
  margin-bottom: 24px;
  border: 1px solid #eee;
  transition: box-shadow 0.4s ease;
}

.price-block:hover {
  box-shadow: 0 12px 40px rgba(0,0,0,0.06);
}

.price-block-header {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 28px;
}

.price-icon { font-size: 32px; flex-shrink: 0; }

.price-block-header h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 6px;
}

.price-block-header p {
  font-size: 14px;
  color: #666;
  line-height: 1.6;
}

.table-wrap { overflow-x: auto; }

.price-table {
  width: 100%;
  border-collapse: collapse;
}

.price-table th {
  text-align: left;
  padding: 12px 16px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #999;
  border-bottom: 2px solid #e0e0e0;
}

.price-table td {
  padding: 14px 16px;
  font-size: 15px;
  border-bottom: 1px solid #eee;
}

.price-table tbody tr { transition: background 0.25s ease; }
.price-table tbody tr:hover { background: #fff; }

.price-hl { font-weight: 700; color: #2a9d60; }

.price-note {
  margin-top: 16px;
  font-size: 13px;
  color: #999;
  font-style: italic;
}

.price-custom {
  padding: 28px;
  background: #fff;
  border-radius: 12px;
  text-align: center;
}

.price-custom p {
  font-size: 15px;
  color: #555;
  line-height: 1.7;
}

.price-custom a { color: #2a9d60; }
.price-custom a:hover { text-decoration: underline; }

/* Extra info */
.extra-info {
  background: #f8f7f6;
  border-radius: 20px;
  padding: 40px;
  border: 1px solid #eee;
}

.extra-info h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 24px;
}

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

.extra-item {
  padding: 24px;
  background: #fff;
  border-radius: 12px;
}

.extra-item h4 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 8px;
}

.extra-item p {
  font-size: 14px;
  color: #666;
  line-height: 1.6;
}

/* ==============================
   CALCULATOR
   ============================== */
.calculator {
  background: linear-gradient(135deg, #f4f9f6 0%, #e6f0eb 100%);
  color: #333;
}

.calc-wrap {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: center;
}

.calc-left h2 {
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 800;
  margin-bottom: 16px;
  color: #333;
}

.calc-left p {
  font-size: 16px;
  line-height: 1.7;
  opacity: 0.75;
}

.calc-right {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.calc-label {
  display: block;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 12px;
  color: #555;
}

.calc-options {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.calc-option {
  padding: 12px 22px;
  border-radius: 50px;
  border: 1.5px solid #ddd;
  color: #777;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.3s ease;
}

.calc-option:hover { border-color: #2a9d60; color: #fff; }

.calc-option.active {
  background: #2a9d60;
  border-color: #2a9d60;
  color: #fff;
}

.calc-input {
  width: 100%;
  max-width: 200px;
  padding: 14px 20px;
  border-radius: 12px;
  border: 1.5px solid #ddd;
  background: #fff;
  color: #333;
  font-size: 15px;
  font-family: inherit;
  transition: border-color 0.3s ease;
  outline: none;
}

.calc-input::placeholder { color: #aaa; }
.calc-input:focus { border-color: #2a9d60; }

.calc-btn { align-self: flex-start; cursor: pointer; }

.calc-weight-step { }
.calc-weight-hint {
  display: block;
  font-size: 12px;
  color: #999;
  margin-top: 6px;
}

.calc-result {
  margin-top: 20px;
  opacity: 0;
  transform: translateY(10px);
}
.calc-result.calc-result-animate {
  animation: calcReveal 0.4s ease forwards;
}
@keyframes calcReveal {
  to { opacity: 1; transform: translateY(0); }
}
.calc-result-inner {
  background: linear-gradient(135deg, #2a9d60 0%, #228a52 100%);
  border-radius: 16px;
  padding: 24px 28px;
  color: #fff;
  text-align: center;
}
.calc-result-label {
  display: block;
  font-size: 14px;
  opacity: 0.85;
  margin-bottom: 4px;
}
.calc-result-price {
  display: block;
  font-size: 36px;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 8px;
}
.calc-result-details {
  font-size: 13px;
  line-height: 1.7;
  opacity: 0.9;
}
.calc-error {
  color: #ffcc00;
  font-weight: 600;
}
.calc-result-cta {
  margin-top: 16px;
  text-align: center;
}
.calc-call-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 2px solid #2a9d60;
  color: #2a9d60;
  background: transparent;
  padding: 12px 28px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 16px;
  text-decoration: none;
  transition: all 0.3s ease;
}
.calc-call-btn:hover {
  background: #2a9d60;
  color: #fff;
}

.calc-help {
  font-size: 13px;
  color: #999;
  line-height: 1.6;
}

.calc-help a { color: #2a9d60; font-weight: 600; }
.calc-help a:hover { text-decoration: underline; }

/* ==============================
   ASSURANCE — two-column like astrawatt 5-star
   ============================== */
.assurance { background: #f8f7f6; }

.assurance-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 60px;
  align-items: center;
}

.assurance-left .section-tag { text-align: left; }

.assurance-left h2 {
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 800;
  margin-bottom: 16px;
}

.assurance-intro {
  font-size: 16px;
  color: #666;
  line-height: 1.7;
  margin-bottom: 32px;
}

.comparison-table {
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(0,0,0,0.06);
  margin-bottom: 28px;
}

.comparison-header {
  display: grid;
  grid-template-columns: 1fr 1fr;
  padding: 16px 24px;
  background: #2a9d60;
  color: #fff;
  font-weight: 700;
  font-size: 14px;
}

.comparison-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-bottom: 1px solid #f0f0f0;
  transition: background 0.3s ease;
}

.comparison-row:last-child { border-bottom: none; }
.comparison-row:hover { background: #f6fdf8; }

.comp-bad, .comp-good {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 20px;
  font-size: 14px;
  line-height: 1.4;
}

.comp-bad { color: #999; background: #fafafa; }

.comp-good {
  color: #222;
  font-weight: 500;
  background: rgba(42,157,96,0.08);
}

.assurance-closing {
  font-size: 18px;
  font-weight: 700;
  color: #222;
}

.assurance-img {
  width: 100%;
  border-radius: 20px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.1);
}

/* ==============================
   FAQ
   ============================== */
.faq { background: #fff; }

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.faq-item {
  border: 1px solid #eee;
  border-radius: 12px;
  overflow: hidden;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.faq-item:hover { border-color: #ddd; }

.faq-item.open {
  border-color: #2a9d60;
  box-shadow: 0 4px 20px rgba(42,157,96,0.1);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  color: #222;
  text-align: left;
  transition: color 0.3s ease;
}

.faq-item.open .faq-question { color: #2a9d60; }

.faq-icon {
  flex-shrink: 0;
  transition: transform 0.4s ease;
}

.faq-item.open .faq-icon { transform: rotate(45deg); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s cubic-bezier(0.4,0,0.2,1), padding 0.5s ease;
  padding: 0 24px;
}

.faq-item.open .faq-answer {
  max-height: 300px;
  padding: 0 24px 20px;
}

.faq-answer p {
  font-size: 15px;
  line-height: 1.7;
  color: #555;
}

/* ==============================
   FINAL CTA
   ============================== */
.cta-final {
  background: linear-gradient(135deg, #f4f9f6 0%, #e6f0eb 100%);
  color: #333;
}

.cta-final-inner { text-align: center; }

.cta-final h2 {
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 800;
  margin-bottom: 16px;
}

.cta-final-inner > p {
  font-size: 17px;
  line-height: 1.7;
  opacity: 0.8;
  max-width: 600px;
  margin: 0 auto 48px;
}

.cta-contact-row {
  display: flex;
  justify-content: center;
  gap: 48px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.cta-contact-item {
  display: flex;
  align-items: center;
  gap: 14px;
  text-align: left;
}

.cta-contact-item strong {
  display: block;
  font-size: 13px;
  opacity: 0.6;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 2px;
}

.cta-contact-item a,
.cta-contact-item span {
  font-size: 16px;
  font-weight: 600;
  color: #2a9d60;
}

.cta-contact-item a:hover { text-decoration: underline; }

.cta-small {
  font-size: 14px;
  opacity: 0.5;
  margin-top: 20px;
}

/* ==============================
   FOOTER
   ============================== */
.footer {
  background: #2e3a33;
  color: #fff;
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}

.logo-footer { font-size: 24px; display: block; margin-bottom: 12px; }

.footer-company { font-size: 14px; color: #aaa; margin-bottom: 4px; }
.footer-meta { font-size: 14px; color: #777; margin-bottom: 16px; }

.footer-link {
  display: block;
  font-size: 14px;
  color: #aaa;
  margin-bottom: 6px;
  transition: color 0.3s ease;
}

.footer-link:hover { color: #2a9d60; }

.footer-col h4 {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
}

.footer-col a,
.footer-hours {
  display: block;
  font-size: 14px;
  color: #aaa;
  padding: 4px 0;
  transition: color 0.3s ease, transform 0.3s ease;
}

.footer-col a:hover {
  color: #2a9d60;
  transform: translateX(4px);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  text-align: center;
}

.footer-bottom p { font-size: 13px; color: #666; }

/* ==============================
   REVEAL ANIMATIONS
   ============================== */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeUp 0.8s ease forwards;
}

.fade-up.delay-1 { animation-delay: 0.15s; }
.fade-up.delay-2 { animation-delay: 0.3s; }
.fade-up.delay-3 { animation-delay: 0.45s; }
.fade-up.delay-4 { animation-delay: 0.6s; }
.fade-up.delay-5 { animation-delay: 0.75s; }

@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.delay-1 { transition-delay: 0.15s; }
.reveal.delay-2 { transition-delay: 0.3s; }
.reveal.delay-3 { transition-delay: 0.45s; }
.reveal.delay-4 { transition-delay: 0.6s; }
.reveal.delay-5 { transition-delay: 0.75s; }

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==============================
   RESPONSIVE
   ============================== */
@media (max-width: 1550px) {
  .sizes-grid { grid-template-columns: repeat(3, 1fr); }
  .container { padding: 0 32px; }
}

@media (max-width: 1200px) {
  .sizes-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 991px) {
  .nav-desktop { display: none; }
  .header-phone { display: none; }
  .mobile-menu-btn { display: flex; }
  .header-inner { padding: 14px 24px; }

  .hero-inner-row {
    flex-direction: column;
    gap: 32px;
  }

  .hero-stat-slider {
    max-width: 300px;
    height: 190px;
    margin: 0 auto;
  }

  .stat-slide { padding: 32px 24px; }
  .stat-number { font-size: 52px; }

  .hero-inner { padding: 0 24px; }

  .hero { align-items: flex-start; padding-top: 140px; }

  .services-grid { grid-template-columns: 1fr; }
  .service-card { height: 320px; }

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

  .process-grid {
    flex-direction: column;
    height: auto;
  }

  .process-card {
    height: auto;
    min-height: 140px;
  }
  .process-card.active {
    flex: 1 1 0%;
    min-height: 200px;
  }
  .process-card-content {
    position: relative;
    padding: 24px;
  }
  .process-card-content h3 {
    white-space: normal;
  }
  .process-desc { opacity: 0.85 !important; max-height: 140px !important; }

  .calc-wrap { grid-template-columns: 1fr; gap: 40px; }
  .assurance-grid { grid-template-columns: 1fr; }
  .assurance-right { order: -1; }

  .extra-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 767px) {
  .section { padding: 64px 0; }
  .container { padding: 0 20px; }
  .header-inner { padding: 14px 20px; }

  .hero { min-height: auto; height: auto; padding: 120px 0 60px; }
  .hero-content { padding: 0; }
  .hero-title { font-size: 28px; }
  .hero-ctas { flex-direction: column; align-items: stretch; }
  .hero-ctas .btn { justify-content: center; }
  .hero-stat-slider { max-width: 280px; height: 170px; }
  .stat-slide { padding: 24px 16px; }
  .stat-number { font-size: 40px !important; }
  .stat-label { font-size: 12px; white-space: nowrap; }
  .hero-inner { padding: 0 20px; }

  .services-grid { grid-template-columns: 1fr; }
  .sizes-grid { grid-template-columns: 1fr 1fr; }
  .trust-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }

  .price-block { padding: 24px; }
  .extra-info { padding: 24px; }

  .comparison-header,
  .comparison-row { grid-template-columns: 1fr; }

  .comp-bad { border-bottom: 1px solid #eee; }

  .cta-contact-row { flex-direction: column; gap: 24px; align-items: center; }
}

@media (max-width: 540px) {
  .sizes-grid { grid-template-columns: 1fr; }
  .hero-title { font-size: 24px; }
  .calc-options { flex-direction: column; }
}