/* ============================================================
   CoreSeal — Professional Website Stylesheet
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

/* ============================================================
   CSS VARIABLES
   ============================================================ */
:root {
  --green:          #45A018;
  --green-dark:     #357A12;
  --green-light:    #74C42A;
  --green-muted:    #EAF6D8;
  --green-muted2:   #D4EDAE;
  --dark:           #1C2B3A;
  --dark-mid:       #2C3E50;
  --charcoal:       #3D4F61;
  --text:           #1C2B3A;
  --text-mid:       #4A5A6B;
  --text-light:     #6B7D8F;
  --bg:             #FFFFFF;
  --bg-soft:        #F6F8FA;
  --bg-warm:        #F3F5F0;
  --border:         #DDE3EB;
  --white:          #FFFFFF;
  --shadow-sm:      0 1px 8px rgba(0,0,0,0.06);
  --shadow-md:      0 4px 20px rgba(0,0,0,0.09);
  --shadow-lg:      0 12px 40px rgba(0,0,0,0.13);
  --shadow-xl:      0 24px 64px rgba(0,0,0,0.18);
  --radius:         8px;
  --radius-lg:      14px;
  --radius-xl:      20px;
  --max:            1200px;
  --t:              0.2s ease;
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; }

/* ============================================================
   UTILITIES
   ============================================================ */
.container { max-width: var(--max); margin: 0 auto; padding: 0 28px; }
.section    { padding: 96px 0; }
.section--soft  { background: var(--bg-soft); }
.section--warm  { background: var(--bg-warm); }
.section--dark  { background: var(--dark); }
.section--green { background: var(--green-muted); }
.text-center { text-align: center; }
.text-center .section-sub { margin: 0 auto; }

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 14px;
}
.section-label::before {
  content: '';
  display: block;
  width: 20px;
  height: 2px;
  background: var(--green);
  border-radius: 2px;
}

.section-title {
  font-size: clamp(1.9rem, 3.5vw, 2.6rem);
  font-weight: 800;
  color: var(--dark);
  line-height: 1.18;
  letter-spacing: -0.025em;
  margin-bottom: 18px;
}
.section--dark .section-title { color: var(--white); }

.section-sub {
  font-size: 1.05rem;
  color: var(--text-mid);
  max-width: 600px;
  line-height: 1.75;
}
.section--dark .section-sub { color: rgba(255,255,255,0.65); }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.96rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  border: 2px solid transparent;
  border-radius: var(--radius);
  padding: 14px 32px;
  cursor: pointer;
  transition: all var(--t);
  white-space: nowrap;
  line-height: 1;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-green {
  background: var(--green);
  color: var(--white);
  border-color: var(--green);
  box-shadow: 0 4px 14px rgba(69,160,24,0.3);
}
.btn-green:hover {
  background: var(--green-dark);
  border-color: var(--green-dark);
  box-shadow: 0 8px 24px rgba(69,160,24,0.38);
}

.btn-dark {
  background: var(--dark);
  color: var(--white);
  border-color: var(--dark);
}
.btn-dark:hover {
  background: var(--dark-mid);
  border-color: var(--dark-mid);
}

.btn-outline {
  background: transparent;
  color: var(--dark);
  border-color: var(--border);
}
.btn-outline:hover {
  background: var(--dark);
  color: var(--white);
  border-color: var(--dark);
}

.btn-outline-white {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.55);
}
.btn-outline-white:hover {
  background: var(--white);
  color: var(--dark);
  border-color: var(--white);
}

.btn-lg  { padding: 18px 44px; font-size: 1.05rem; border-radius: var(--radius-lg); }
.btn-sm  { padding: 10px 20px; font-size: 0.85rem; }

/* ============================================================
   ANNOUNCEMENT BAR
   ============================================================ */
.topbar {
  background: var(--green);
  color: var(--white);
  text-align: center;
  padding: 10px 24px;
  font-size: 0.84rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}
.topbar a {
  color: var(--white);
  text-decoration: underline;
  text-underline-offset: 2px;
  font-weight: 700;
}
.topbar a:hover { opacity: 0.85; }

/* ============================================================
   HEADER
   ============================================================ */
.header {
  position: sticky;
  top: 0;
  z-index: 900;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 16px rgba(0,0,0,0.07);
}

.header__inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 28px;
  height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.header__logo img { height: 50px; width: auto; }

.header__nav {
  display: flex;
  align-items: center;
  gap: 30px;
}
.header__nav a {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text);
  position: relative;
  padding-bottom: 3px;
  transition: color var(--t);
}
.header__nav a::after {
  content: '';
  position: absolute;
  bottom: -1px; left: 0;
  width: 0; height: 2px;
  background: var(--green);
  border-radius: 2px;
  transition: width var(--t);
}
.header__nav a:hover { color: var(--green); }
.header__nav a:hover::after { width: 100%; }

.header__right {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}
.header__phone {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--dark);
  display: flex;
  align-items: center;
  gap: 6px;
  transition: color var(--t);
}
.header__phone:hover { color: var(--green); }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.hamburger span {
  display: block;
  width: 25px; height: 2px;
  background: var(--dark);
  border-radius: 2px;
  transition: all var(--t);
}

/* Language switcher */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 2px;
  background: var(--bg-soft);
  border: 1.5px solid var(--border);
  border-radius: 20px;
  padding: 5px 12px;
  flex-shrink: 0;
}
.lang-btn {
  background: none;
  border: none;
  font-family: 'Inter', sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-light);
  cursor: pointer;
  padding: 2px 5px;
  border-radius: 4px;
  transition: color var(--t);
  letter-spacing: 0.06em;
  line-height: 1;
}
.lang-btn.active { color: var(--green); }
.lang-btn:hover:not(.active) { color: var(--dark); }
.lang-divider {
  color: var(--border);
  font-size: 0.75rem;
  user-select: none;
}

/* Mobile nav */
.mobile-nav {
  display: none;
  flex-direction: column;
  background: var(--white);
  border-top: 1px solid var(--border);
  padding: 8px 28px 24px;
}
.mobile-nav a {
  display: block;
  padding: 14px 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  border-bottom: 1px solid var(--border);
}
.mobile-nav a:last-of-type { border-bottom: none; }
.mobile-nav .btn { margin-top: 16px; width: 100%; }
.mobile-nav.open { display: flex; }

.mobile-phone {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 0;
  font-size: 1rem;
  font-weight: 700;
  color: var(--green) !important;
  border-bottom: 1px solid var(--border);
}

.mobile-lang-switcher {
  display: flex;
  gap: 10px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}
.mobile-lang-switcher .lang-btn {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-light);
  padding: 8px 16px;
  background: var(--bg-soft);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
}
.mobile-lang-switcher .lang-btn.active {
  color: var(--white);
  background: var(--green);
  border-color: var(--green);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  background: var(--white);
  overflow: hidden;
  position: relative;
}

.hero__inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 28px;
  display: grid;
  grid-template-columns: 1fr 520px;
  min-height: 620px;
  align-items: center;
}

.hero__content {
  padding: 80px 64px 80px 0;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--green-muted);
  color: var(--green-dark);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 6px 14px 6px 10px;
  border-radius: 30px;
  margin-bottom: 24px;
  border: 1.5px solid var(--green-muted2);
}
.hero__badge-dot {
  width: 8px; height: 8px;
  background: var(--green);
  border-radius: 50%;
  flex-shrink: 0;
}

.hero__title {
  font-size: clamp(2.6rem, 4.5vw, 4rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--dark);
  margin-bottom: 14px;
}
.hero__title .accent {
  color: var(--green);
}

.hero__slogan {
  font-size: 1.1rem;
  font-style: italic;
  color: var(--text-mid);
  font-weight: 500;
  margin-bottom: 22px;
  padding-left: 14px;
  border-left: 3px solid var(--green);
}

.hero__desc {
  font-size: 1.05rem;
  color: var(--text-mid);
  line-height: 1.75;
  max-width: 500px;
  margin-bottom: 36px;
}

.hero__cta-group {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 44px;
}

.hero__trust {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  border-top: 1px solid var(--border);
  padding-top: 28px;
}
.hero__trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--text-mid);
  padding-right: 24px;
  margin-right: 24px;
  border-right: 1px solid var(--border);
}
.hero__trust-item:last-child { border-right: none; margin-right: 0; padding-right: 0; }
.hero__trust-check {
  width: 20px; height: 20px;
  background: var(--green-muted);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--green-dark);
  font-size: 0.65rem;
  font-weight: 900;
  flex-shrink: 0;
}

/* Hero Photo Panel */
.hero__photo {
  height: 100%;
  min-height: 620px;
  position: relative;
  overflow: hidden;
}
.hero__photo::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, var(--white) 0%, transparent 12%);
  z-index: 2;
  pointer-events: none;
}
.hero__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.hero__photo-badge {
  position: absolute;
  bottom: 32px;
  right: 28px;
  z-index: 3;
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 18px 22px;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 200px;
}
.hero__photo-badge-icon {
  width: 46px; height: 46px;
  background: var(--green-muted);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}
.hero__photo-badge-num {
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--dark);
  line-height: 1;
}
.hero__photo-badge-label {
  font-size: 0.78rem;
  color: var(--text-light);
  font-weight: 500;
  margin-top: 2px;
}

/* ============================================================
   STATS STRIP
   ============================================================ */
.stats-strip {
  background: var(--dark);
  padding: 0;
}
.stats-strip__inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 28px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.stat-item {
  padding: 36px 28px;
  text-align: center;
  border-right: 1px solid rgba(255,255,255,0.08);
  transition: background var(--t);
}
.stat-item:last-child { border-right: none; }
.stat-item:hover { background: rgba(255,255,255,0.04); }
.stat-num {
  font-size: 2.4rem;
  font-weight: 900;
  color: var(--green-light);
  line-height: 1;
  margin-bottom: 6px;
  letter-spacing: -0.02em;
}
.stat-label {
  font-size: 0.84rem;
  color: rgba(255,255,255,0.6);
  font-weight: 500;
}

/* ============================================================
   SERVICES
   ============================================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 56px;
}

.service-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1.5px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--t), transform var(--t), border-color var(--t);
  display: flex;
  flex-direction: column;
}
.service-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-5px);
  border-color: var(--green);
}

.service-card__photo {
  height: 190px;
  overflow: hidden;
  position: relative;
  background: var(--bg-soft);
}
.service-card__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.service-card:hover .service-card__photo img {
  transform: scale(1.05);
}
.service-card__photo-label {
  position: absolute;
  bottom: 12px;
  left: 12px;
  background: var(--green);
  color: var(--white);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 20px;
}

.service-card__body {
  padding: 28px 26px 32px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.service-card__title {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.service-card__title-icon {
  width: 32px; height: 32px;
  background: var(--green-muted);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  flex-shrink: 0;
}
.service-card__desc {
  font-size: 0.9rem;
  color: var(--text-mid);
  line-height: 1.7;
  flex: 1;
}

/* Last 2 service cards span to fill */
.services-grid .service-card:nth-child(4) { grid-column: 1; }
.services-grid .service-card:nth-child(5) { grid-column: 2; }

/* ============================================================
   WHY CORESEAL
   ============================================================ */
.why-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.why-photo {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  aspect-ratio: 4/5;
}
.why-photo img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.why-photo__tag {
  position: absolute;
  top: 24px;
  left: 24px;
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 14px 18px;
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 10px;
}
.why-photo__tag-icon { font-size: 1.4rem; }
.why-photo__tag-text {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--dark);
  line-height: 1.3;
}
.why-photo__tag-sub {
  font-size: 0.75rem;
  color: var(--text-light);
  margin-top: 2px;
}

.why-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 36px;
}
.why-row {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
  transition: all var(--t);
}
.why-row:first-child { border-top: 1px solid var(--border); }
.why-row:hover { background: var(--bg-soft); margin: 0 -16px; padding: 20px 16px; border-radius: var(--radius); border-color: transparent; }
.why-row__icon {
  width: 42px; height: 42px;
  background: var(--green-muted);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  flex-shrink: 0;
}
.why-row__title {
  font-size: 0.97rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 3px;
}
.why-row__desc {
  font-size: 0.86rem;
  color: var(--text-mid);
  line-height: 1.6;
}

/* ============================================================
   PRICE CHALLENGE
   ============================================================ */
.price-banner {
  background: var(--green);
  padding: 88px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.price-banner::before {
  content: '"';
  position: absolute;
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 20rem;
  font-weight: 900;
  color: rgba(255,255,255,0.07);
  line-height: 1;
  pointer-events: none;
  font-family: Georgia, serif;
}
.price-banner__inner {
  position: relative;
  z-index: 1;
  max-width: 820px;
  margin: 0 auto;
  padding: 0 28px;
}
.price-banner__label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.18);
  color: var(--white);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 30px;
  margin-bottom: 24px;
  border: 1px solid rgba(255,255,255,0.25);
}
.price-banner__quote {
  font-size: clamp(1.7rem, 3.5vw, 2.6rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.28;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}
.price-banner__sub {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.82);
  line-height: 1.75;
  margin-bottom: 36px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}
.price-banner .btn-dark {
  background: var(--dark);
  border-color: var(--dark);
  color: var(--white);
  box-shadow: 0 8px 28px rgba(0,0,0,0.25);
}
.price-banner .btn-dark:hover {
  background: var(--dark-mid);
  border-color: var(--dark-mid);
}

/* ============================================================
   PHOTO GALLERY STRIP
   ============================================================ */
.gallery-strip {
  padding: 0;
  overflow: hidden;
}
.gallery-strip__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  height: 280px;
}
.gallery-strip__item {
  overflow: hidden;
  position: relative;
}
.gallery-strip__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
  filter: brightness(0.88);
}
.gallery-strip__item:hover img {
  transform: scale(1.06);
  filter: brightness(1);
}
.gallery-strip__item-label {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 28px 18px 14px;
  background: linear-gradient(to top, rgba(0,0,0,0.65) 0%, transparent 100%);
  color: var(--white);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.03em;
}

/* ============================================================
   ENERGY SAVINGS
   ============================================================ */
.energy-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}
.energy-photo {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  aspect-ratio: 4/3;
  position: relative;
}
.energy-photo img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.energy-photo__overlay {
  position: absolute;
  bottom: 24px;
  right: 24px;
  background: var(--dark);
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: 18px 22px;
  box-shadow: var(--shadow-lg);
}
.energy-photo__overlay-title {
  font-size: 0.78rem;
  color: var(--green-light);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.energy-photo__overlay-val {
  font-size: 1.8rem;
  font-weight: 900;
  line-height: 1;
}
.energy-photo__overlay-sub {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.55);
  margin-top: 3px;
}

.energy-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 32px;
}
.energy-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1.5px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: all var(--t);
}
.energy-item:hover {
  border-color: var(--green);
  box-shadow: var(--shadow-md);
}
.energy-item__icon {
  width: 40px; height: 40px;
  background: var(--green-muted);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.energy-item__title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 3px;
}
.energy-item__desc {
  font-size: 0.86rem;
  color: var(--text-mid);
  line-height: 1.6;
}

/* ============================================================
   HOW IT WORKS
   ============================================================ */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 60px;
  position: relative;
}
.steps-grid::after {
  content: '';
  position: absolute;
  top: 46px;
  left: calc(12.5% + 24px);
  right: calc(12.5% + 24px);
  height: 2px;
  background: linear-gradient(to right, var(--green), var(--green-light));
  z-index: 0;
}

.step-card {
  text-align: center;
  padding: 40px 24px 32px;
  background: var(--white);
  border-radius: var(--radius-xl);
  border: 1.5px solid var(--border);
  position: relative;
  z-index: 1;
  transition: all var(--t);
  box-shadow: var(--shadow-sm);
}
.step-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: var(--green);
}

.step-num {
  width: 72px; height: 72px;
  background: var(--dark);
  border: 4px solid var(--white);
  outline: 2px solid var(--green);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  font-weight: 900;
  color: var(--white);
  margin: 0 auto 24px;
  box-shadow: 0 0 0 4px var(--green-muted);
}
.step-card:hover .step-num { background: var(--green); outline-color: var(--green-dark); }
.step-title {
  font-size: 1rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 10px;
}
.step-desc {
  font-size: 0.88rem;
  color: var(--text-mid);
  line-height: 1.7;
}

/* ============================================================
   TRUST SECTION
   ============================================================ */
.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 56px;
}
.trust-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 36px 24px;
  text-align: center;
  border: 1.5px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: all var(--t);
}
.trust-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--green);
  transform: translateY(-4px);
}
.trust-card__icon {
  font-size: 2.2rem;
  margin-bottom: 16px;
}
.trust-card__num {
  font-size: 2rem;
  font-weight: 900;
  color: var(--green);
  line-height: 1;
  margin-bottom: 6px;
}
.trust-card__label {
  font-size: 0.97rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 6px;
}
.trust-card__sub {
  font-size: 0.82rem;
  color: var(--text-light);
  line-height: 1.55;
}

/* ============================================================
   VIDEO SECTION
   ============================================================ */
.video-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 56px;
}

.video-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1.5px solid var(--border);
  box-shadow: var(--shadow-md);
  transition: box-shadow var(--t), transform var(--t);
}
.video-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.video-card__wrap {
  position: relative;
  background: #0D1820;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}
.video-card__wrap video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.video-card__body {
  padding: 24px 26px 28px;
}
.video-card__title {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.video-card__title::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 18px;
  background: var(--green);
  border-radius: 4px;
  flex-shrink: 0;
}
.video-card__desc {
  font-size: 0.9rem;
  color: var(--text-mid);
  line-height: 1.7;
}

/* ============================================================
   CONTACT / QUOTE FORM
   ============================================================ */
.contact-wrap {
  background: var(--dark);
  padding: 96px 0;
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: start;
}

.contact-left .section-label { color: var(--green-light); }
.contact-left .section-label::before { background: var(--green-light); }
.contact-left .section-title { color: var(--white); }
.contact-left .section-sub { color: rgba(255,255,255,0.62); }

.contact-perks {
  margin-top: 40px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.contact-perk {
  display: flex;
  align-items: center;
  gap: 14px;
}
.contact-perk__dot {
  width: 10px; height: 10px;
  background: var(--green-light);
  border-radius: 50%;
  flex-shrink: 0;
}
.contact-perk__text {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.75);
  font-weight: 500;
}

.contact-email-block {
  margin-top: 32px;
  padding: 20px 24px;
  background: rgba(255,255,255,0.06);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255,255,255,0.1);
}
.contact-email-block__label {
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--green-light);
  margin-bottom: 6px;
}
.contact-email-block__val {
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
}
.contact-email-block__val a {
  color: var(--white);
  transition: color var(--t);
}
.contact-email-block__val a:hover { color: var(--green-light); }

/* Contact info blocks (phone / email / address) */
.contact-info-blocks {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 32px;
}
.contact-info-block {
  padding: 18px 22px;
  background: rgba(255,255,255,0.06);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255,255,255,0.1);
  transition: background var(--t);
}
.contact-info-block:hover { background: rgba(255,255,255,0.09); }
.contact-info-block__label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--green-light);
  margin-bottom: 5px;
}
.contact-info-block__val {
  font-size: 0.97rem;
  font-weight: 700;
  color: var(--white);
}
.contact-info-block__val a {
  color: var(--white);
  transition: color var(--t);
}
.contact-info-block__val a:hover { color: var(--green-light); }

.contact-address-block {
  margin-top: 16px;
  padding: 20px 24px;
  background: rgba(255,255,255,0.06);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255,255,255,0.1);
}
.contact-address-block__label {
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--green-light);
  margin-bottom: 6px;
}
.contact-address-block__val {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--white);
  line-height: 1.7;
}

.contact-team {
  margin-top: 28px;
}
.contact-team__label {
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  margin-bottom: 14px;
}
.contact-team__members {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.contact-team__member {
  display: flex;
  align-items: center;
  gap: 14px;
}
.contact-team__member-avatar {
  width: 42px; height: 42px;
  background: var(--green);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.78rem;
  font-weight: 800;
  color: var(--white);
  flex-shrink: 0;
  letter-spacing: 0.03em;
}
.contact-team__member-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--white);
}
.contact-team__member-role {
  font-size: 0.8rem;
  color: var(--green-light);
  font-weight: 500;
  margin-top: 1px;
}
.contact-team__member-phone {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 600;
  color: rgba(255,255,255,0.55);
  margin-top: 3px;
  transition: color var(--t);
}
.contact-team__member-phone:hover { color: var(--green-light); }

/* Form email notice */
.form-email-notice {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
  padding: 10px 14px;
  background: var(--green-muted);
  border: 1.5px solid var(--green-muted2);
  border-radius: var(--radius);
  font-size: 0.82rem;
  color: var(--green-dark);
  font-weight: 500;
  line-height: 1.4;
}
.form-email-notice strong { font-weight: 700; }

/* Form card */
.form-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 44px 40px;
  box-shadow: var(--shadow-xl);
}
.form-card__header { margin-bottom: 30px; }
.form-card__title {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 6px;
}
.form-card__sub {
  font-size: 0.88rem;
  color: var(--text-mid);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 14px;
}
.form-group label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--dark);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 13px 15px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-family: 'Inter', sans-serif;
  font-size: 0.94rem;
  color: var(--text);
  background: var(--bg-soft);
  transition: border-color var(--t), box-shadow var(--t), background var(--t);
  appearance: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: #A0AEBB; }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--green);
  box-shadow: 0 0 0 4px rgba(69,160,24,0.12);
  background: var(--white);
}
.form-group textarea { resize: vertical; min-height: 110px; }

.form-submit { width: 100%; justify-content: center; margin-top: 4px; }
.form-note {
  text-align: center;
  font-size: 0.76rem;
  color: var(--text-light);
  margin-top: 12px;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: #111C27;
  color: rgba(255,255,255,0.7);
  padding: 72px 0 0;
}
.footer__grid {
  display: grid;
  grid-template-columns: 2.2fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 56px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer__logo {
  width: 140px;
  height: auto;
  margin-bottom: 20px;
  display: block;
  border-radius: 6px;
  padding: 6px 8px;
  background: rgba(255,255,255,0.9);
}
.footer__slogan {
  font-size: 0.88rem;
  font-style: italic;
  color: var(--green-light);
  margin-bottom: 14px;
  font-weight: 500;
}
.footer__desc {
  font-size: 0.86rem;
  line-height: 1.75;
  color: rgba(255,255,255,0.48);
  max-width: 280px;
}

.footer__heading {
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 20px;
}
.footer__links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer__links a {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.55);
  transition: color var(--t);
}
.footer__links a:hover { color: var(--green-light); }

.footer__contact-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.88rem;
  color: rgba(255,255,255,0.55);
  margin-bottom: 12px;
}
.footer__contact-row a {
  color: rgba(255,255,255,0.55);
  transition: color var(--t);
}
.footer__contact-row a:hover { color: var(--green-light); }

.footer__team {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
  padding: 28px 0;
  border-top: 1px solid rgba(255,255,255,0.08);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-top: 8px;
}
.footer__team-member {
  display: flex;
  align-items: center;
  gap: 12px;
}
.footer__team-avatar {
  width: 40px; height: 40px;
  background: var(--green);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--white);
  flex-shrink: 0;
  letter-spacing: 0.03em;
}
.footer__team-name {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--white);
}
.footer__team-role {
  font-size: 0.78rem;
  color: var(--green-light);
  margin-top: 1px;
}
.footer__team-phone {
  display: inline-block;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.45);
  margin-top: 3px;
  transition: color var(--t);
}
.footer__team-phone:hover { color: var(--green-light); }

.footer__bottom {
  padding: 22px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}
.footer__copy { font-size: 0.8rem; color: rgba(255,255,255,0.3); }
.footer__tagline { font-size: 0.8rem; color: rgba(255,255,255,0.3); font-style: italic; }

/* ============================================================
   SCROLL TO TOP
   ============================================================ */
.scroll-top {
  position: fixed;
  bottom: 28px; right: 28px;
  width: 46px; height: 46px;
  background: var(--green);
  color: var(--white);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.2rem;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 18px rgba(69,160,24,0.4);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--t), transform var(--t);
  z-index: 800;
}
.scroll-top.visible { opacity: 1; pointer-events: auto; }
.scroll-top:hover { transform: translateY(-3px); }

/* ============================================================
   ANIMATIONS
   ============================================================ */
[data-anim] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
[data-anim].in-view { opacity: 1; transform: none; }
[data-anim-d="1"] { transition-delay: 0.08s; }
[data-anim-d="2"] { transition-delay: 0.16s; }
[data-anim-d="3"] { transition-delay: 0.24s; }
[data-anim-d="4"] { transition-delay: 0.32s; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1100px) {
  .hero__inner { grid-template-columns: 1fr 420px; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .steps-grid::after { display: none; }
  .trust-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  .section { padding: 72px 0; }
  .hero__inner { grid-template-columns: 1fr; min-height: auto; }
  .hero__photo { min-height: 340px; }
  .hero__photo::before { background: linear-gradient(to bottom, var(--white) 0%, transparent 20%); }
  .hero__content { padding: 64px 0 0; }
  .why-layout { grid-template-columns: 1fr; gap: 48px; }
  .energy-grid { grid-template-columns: 1fr; gap: 40px; }
  .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .stats-strip__inner { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: 1fr 1fr; }
  .services-grid .service-card:nth-child(4),
  .services-grid .service-card:nth-child(5) { grid-column: auto; }
  .steps-grid { grid-template-columns: 1fr 1fr; }
  .gallery-strip__grid { grid-template-columns: repeat(2, 1fr); height: auto; }
  .gallery-strip__item { height: 200px; }
  .video-grid { grid-template-columns: 1fr; gap: 24px; }
  .contact-team__members { flex-direction: row; flex-wrap: wrap; }
  .footer__team { gap: 20px; }
}

@media (max-width: 768px) {
  .topbar { font-size: 0.78rem; }
  .header__nav { display: none; }
  .header__phone { display: none; }
  .header__right .btn { display: none; }
  .hamburger { display: flex; }
  .hero__title { font-size: 2.6rem; }
  .hero__trust { gap: 12px; }
  .hero__trust-item { border-right: none; padding-right: 0; margin-right: 0; }
  .form-row { grid-template-columns: 1fr; }
  .form-card { padding: 28px 22px; }
  .footer__grid { grid-template-columns: 1fr; gap: 32px; }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
  .trust-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 520px) {
  .container { padding: 0 18px; }
  .hero__title { font-size: 2.1rem; }
  .services-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  .hero__cta-group { flex-direction: column; }
  .hero__cta-group .btn { width: 100%; }
  .trust-grid { grid-template-columns: 1fr; }
  .stats-strip__inner { grid-template-columns: 1fr 1fr; }
  .gallery-strip__grid { grid-template-columns: 1fr 1fr; }
}