/* =====================================================
   SMART GATES — Page Layout & Sections
   ===================================================== */

/* ---- HERO ---- */

.hero {
  min-height: 100svh;
  background-color: var(--c-graphite-900);
  background-image:
    radial-gradient(ellipse 70% 60% at 80% 40%, rgba(224,123,28,.08) 0%, transparent 60%),
    radial-gradient(ellipse 50% 80% at 10% 80%, rgba(48,56,67,.5) 0%, transparent 60%);
  display: flex;
  align-items: center;
  padding-top: 72px;
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.015'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
  opacity: 0.6;
}

.hero__inner {
  position: relative;
  z-index: 1;
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
}

.hero__badge {
  margin-bottom: var(--space-5);
}

.hero__title {
  color: #FFFFFF;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-5);
  max-width: 16ch;
}

.hero__title em {
  font-style: normal;
  color: var(--c-accent-light);
}

.hero__subtitle {
  font-size: var(--text-xl);
  color: var(--c-graphite-300);
  max-width: 48ch;
  line-height: 1.6;
  margin-bottom: var(--space-8);
}

.hero__cta {
  margin-bottom: var(--space-12);
}

.hero__proof {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-8);
}

.hero__proof-item {
  display: flex;
  flex-direction: column;
}

.hero__proof-num {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: #FFFFFF;
  line-height: 1;
}

.hero__proof-label {
  font-size: var(--text-xs);
  color: var(--c-graphite-400);
  margin-top: 4px;
  max-width: 12ch;
  line-height: 1.3;
}

.hero__scroll-hint {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: var(--c-graphite-500);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  animation: scroll-bounce 2s ease-in-out infinite;
}

@keyframes scroll-bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* ---- PROBLEMS ---- */

.problems-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

@media (max-width: 900px) {
  .problems-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 560px) {
  .problems-grid {
    grid-template-columns: 1fr;
  }
}

/* ---- MODELS ---- */

.models-section .section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

/* ---- WHY SOCHI (Climate features) ---- */

.climate-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

@media (max-width: 700px) {
  .climate-grid {
    grid-template-columns: 1fr;
  }
}

.climate-feature {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-6);
  background-color: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.07);
  border-radius: var(--radius-xl);
}

.climate-feature__icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background-color: rgba(224,123,28,.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-accent-light);
}

.climate-feature__title {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: var(--text-base);
  color: #FFFFFF;
  margin-bottom: var(--space-1);
}

.climate-feature__desc {
  font-size: var(--text-sm);
  color: var(--c-graphite-400);
  line-height: 1.6;
}

.section--gray .climate-feature,
.section--light .climate-feature {
  background-color: #ffffff;
  border: 1px solid var(--c-graphite-200);
}

.section--gray .climate-feature__title,
.section--light .climate-feature__title {
  color: var(--c-graphite-900);
}

.section--gray .climate-feature__desc,
.section--light .climate-feature__desc {
  color: var(--c-graphite-600);
}

/* ---- EXPERT SECTION ---- */

.expert-section {
  background: linear-gradient(135deg, var(--c-graphite-800) 0%, var(--c-graphite-700) 100%);
}

/* ---- PORTFOLIO ---- */

.portfolio-header {
  margin-bottom: var(--space-8);
}

.portfolio-disclaimer {
  margin-top: var(--space-6);
  padding: var(--space-4) var(--space-5);
  background-color: var(--c-graphite-50);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--c-graphite-300);
  font-size: var(--text-sm);
  color: var(--c-text-muted);
}

/* ---- REVIEWS ---- */

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  margin-bottom: var(--space-8);
}

@media (max-width: 900px) {
  .reviews-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 560px) {
  .reviews-grid {
    grid-template-columns: 1fr;
  }
}

.review-card {
  background-color: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  transition: box-shadow var(--transition-slow);
}

.review-card:hover {
  box-shadow: var(--shadow-md);
}

.review-card__stars {
  display: flex;
  gap: 3px;
  margin-bottom: var(--space-3);
  color: #F59E0B;
}

.review-card__text {
  font-size: var(--text-sm);
  color: var(--c-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-4);
  font-style: italic;
}

.review-card__author {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--c-text-primary);
}

.review-card__meta {
  font-size: var(--text-xs);
  color: var(--c-text-muted);
  margin-top: 2px;
}

.reviews-source {
  font-size: var(--text-sm);
  color: var(--c-text-muted);
  text-align: center;
}

/* ---- CONTACTS ---- */

.contacts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: start;
}

@media (max-width: 768px) {
  .contacts-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
}

.contact-info__title {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 700;
  margin-bottom: var(--space-3);
}

.contact-info__subtitle {
  font-size: var(--text-base);
  color: var(--c-graphite-300);
  line-height: 1.6;
  margin-bottom: var(--space-8);
}

.contact-channels {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.contact-channel {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.contact-channel__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background-color: rgba(255,255,255,.07);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-accent-light);
  flex-shrink: 0;
}

.contact-channel__label {
  font-size: var(--text-xs);
  color: var(--c-graphite-500);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 2px;
}

.contact-channel__value {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 600;
  color: #FFFFFF;
}

.contact-channel__value a {
  color: inherit;
  transition: color var(--transition-base);
}

.contact-channel__value a:hover {
  color: var(--c-accent-light);
}

.contact-form-card {
  background-color: var(--c-surface);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
}

.contact-form__fields {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}

.contact-form__disclaimer {
  font-size: var(--text-xs);
  color: var(--c-text-muted);
  line-height: 1.5;
  margin-top: var(--space-3);
}

/* ---- CROSSLINKS (Also we do) ---- */

.crosslinks-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

@media (max-width: 768px) {
  .crosslinks-grid {
    grid-template-columns: 1fr;
  }
}

/* ---- FOOTER ---- */

.footer {
  background-color: var(--c-graphite-950);
  color: var(--c-graphite-400);
  padding: var(--space-12) 0 var(--space-8);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-10);
}

@media (max-width: 768px) {
  .footer__grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
}

.footer__brand {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: var(--space-2);
}

.footer__tagline {
  font-size: var(--text-sm);
  line-height: 1.6;
  max-width: 32ch;
  margin-bottom: var(--space-5);
}

.footer__heading {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 600;
  color: #FFFFFF;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-4);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer__link {
  font-size: var(--text-sm);
  color: var(--c-graphite-400);
  transition: color var(--transition-base);
  cursor: pointer;
}

.footer__link:hover {
  color: var(--c-graphite-200);
}

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,.07);
  padding-top: var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
  font-size: var(--text-xs);
}

.footer__service-area {
  font-size: var(--text-xs);
  color: var(--c-graphite-600);
  line-height: 1.5;
}

/* ---- FOOTER CTA STRIP ---- */

.footer__cta-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  flex-wrap: wrap;
  padding: var(--space-6) var(--space-8);
  margin-bottom: var(--space-10);
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius-xl);
}

.footer__cta-copy {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.footer__cta-title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 700;
  color: #fff;
}

.footer__cta-sub {
  font-size: var(--text-sm);
  color: var(--c-graphite-400);
}

.footer__cta-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.footer__discount-badge {
  display: inline-flex;
  align-items: center;
  background: var(--c-accent);
  color: #fff;
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 700;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-full);
  white-space: nowrap;
}

@media (max-width: 600px) {
  .footer__cta-strip {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-5) var(--space-5);
  }
  .footer__cta-actions {
    width: 100%;
  }
  .footer__cta-actions .btn {
    flex: 1;
  }
}

/* ---- CALCULATOR TEASER CTA ---- */

.calc-cta-banner {
  background: linear-gradient(135deg, var(--c-graphite-800) 0%, var(--c-graphite-900) 100%);
  border-radius: var(--radius-2xl);
  padding: var(--space-12) var(--space-10);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
  border: 1px solid rgba(255,255,255,.07);
  position: relative;
  overflow: hidden;
}

.calc-cta-banner::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(224,123,28,.12) 0%, transparent 70%);
  pointer-events: none;
}

@media (max-width: 700px) {
  .calc-cta-banner {
    flex-direction: column;
    text-align: center;
    padding: var(--space-8) var(--space-6);
  }
}

.calc-cta-banner__title {
  font-family: var(--font-heading);
  font-size: clamp(var(--text-xl), 2.5vw, var(--text-3xl));
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: var(--space-2);
}

.calc-cta-banner__desc {
  font-size: var(--text-base);
  color: var(--c-graphite-400);
  max-width: 40ch;
}