/* ===== ArcticFlow HVAC — Master Stylesheet ===== */
@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@800;900&family=Inter:wght@400;500;600&display=swap');

/* --- Reset & Variables --- */
:root {
  --primary-bg: #F0F6FA;
  --accent: #1A8FBF;
  --accent-hover: #1270A0;
  --dark: #0A1628;
  --card-bg: #E8F4FA;
  --text: #0D2233;
  --muted: #5A7A8A;
  --white: #FFFFFF;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(10, 22, 40, 0.08);
  --shadow-lg: 0 12px 48px rgba(10, 22, 40, 0.12);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: 'Inter', sans-serif;
  font-weight: 400;
  color: var(--text);
  background: var(--primary-bg);
  line-height: 1.7;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

ul, ol {
  list-style: none;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 900;
  line-height: 1.1;
  text-transform: uppercase;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 6vw, 4.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3.2rem); }
h3 { font-size: clamp(1.4rem, 2.5vw, 1.8rem); }
h4 { font-size: 1.2rem; }

p { margin-bottom: 1rem; }

.text-muted { color: var(--muted); }
.text-accent { color: var(--accent); }
.text-white { color: var(--white); }

/* --- Layout --- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
}

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

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

.section--light {
  background: var(--primary-bg);
}

.section--photo {
  position: relative;
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

.section--photo::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10,22,40,0.88) 0%, rgba(10,22,40,0.7) 100%);
  z-index: 1;
}

.section--photo .container {
  position: relative;
  z-index: 2;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 32px;
  border-radius: 50px;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  white-space: nowrap;
}

.btn--primary {
  background: var(--accent);
  color: var(--white);
  box-shadow: 0 4px 16px rgba(26, 143, 191, 0.3);
}

.btn--primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(26, 143, 191, 0.4);
}

.btn--secondary {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.4);
}

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

.btn--outline {
  background: transparent;
  color: var(--accent);
  border: 2px solid var(--accent);
}

.btn--outline:hover {
  background: var(--accent);
  color: var(--white);
}

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

.btn--dark:hover {
  background: #162a44;
  transform: translateY(-2px);
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: var(--transition);
}

.nav.scrolled {
  background: rgba(10, 22, 40, 0.95);
  backdrop-filter: blur(12px);
  padding: 12px 0;
  box-shadow: 0 4px 24px rgba(0,0,0,0.2);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.nav__logo {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 900;
  font-size: 1.6rem;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.nav__logo span {
  color: var(--accent);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav__links a {
  color: rgba(255,255,255,0.8);
  font-weight: 500;
  font-size: 0.95rem;
  transition: var(--transition);
}

.nav__links a:hover {
  color: var(--accent);
}

.nav__cta {
  padding: 10px 24px;
  font-size: 0.9rem;
}

.nav__mobile {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
}

.nav__mobile span {
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--dark);
}

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

.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.25;
}

.hero__canvas {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.hero__canvas canvas {
  width: 100%;
  height: 100%;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10,22,40,0.92) 0%, rgba(10,22,40,0.6) 60%, rgba(10,22,40,0.8) 100%);
  z-index: 2;
}

.hero__content {
  position: relative;
  z-index: 3;
  max-width: 800px;
  padding: 140px 0 100px;
}

.hero__content h1 {
  color: var(--white);
  margin-bottom: 8px;
}

.hero__hit {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 900;
  font-size: clamp(1.8rem, 4vw, 3rem);
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.hero__stat {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.7);
  margin-bottom: 12px;
  font-weight: 500;
}

.hero__sub {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.85);
  margin-bottom: 32px;
  line-height: 1.6;
}

.hero__ctas {
  display: flex;
  gap: 16px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.hero__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: rgba(26, 143, 191, 0.15);
  border: 1px solid rgba(26, 143, 191, 0.3);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--accent);
}

.badge svg {
  width: 14px;
  height: 14px;
}

.hero__social {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.hero__social-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.7);
  font-size: 0.9rem;
}

.hero__social-item strong {
  color: var(--white);
  font-size: 1.1rem;
}

.stars {
  display: flex;
  gap: 2px;
}

.stars svg {
  width: 16px;
  height: 16px;
  fill: #F5A623;
}

/* --- Urgency Strip --- */
.urgency-strip {
  background: var(--accent);
  padding: 24px 0;
  text-align: center;
}

.urgency-strip p {
  color: var(--white);
  font-size: 1.05rem;
  font-weight: 500;
  max-width: 800px;
  margin: 0 auto;
  line-height: 1.6;
}

/* --- Reviews Masonry --- */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

.review-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.review-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.review-card__stars {
  margin-bottom: 12px;
}

.review-card__text {
  font-size: 0.95rem;
  color: var(--text);
  margin-bottom: 16px;
  line-height: 1.6;
}

.review-card__author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.review-card__avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--card-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  color: var(--accent);
  font-size: 0.9rem;
}

.review-card__info {
  font-size: 0.85rem;
}

.review-card__name {
  font-weight: 600;
  color: var(--text);
}

.review-card__loc {
  color: var(--muted);
}

.review-card__verified {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.75rem;
  color: var(--accent);
  margin-top: 4px;
}

/* --- How It Works --- */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 40px;
  margin-top: 48px;
}

.step {
  text-align: center;
}

.step__number {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--white);
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 900;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.step h3 {
  margin-bottom: 12px;
  text-transform: none;
}

.step p {
  color: var(--muted);
  font-size: 0.95rem;
}

/* --- Service Cards --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
}

.service-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 36px 28px;
  box-shadow: var(--shadow);
  border-bottom: 4px solid transparent;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-bottom-color: var(--accent);
}

.service-card__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  background: var(--card-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.service-card__icon svg {
  width: 28px;
  height: 28px;
  stroke: var(--accent);
  fill: none;
  stroke-width: 1.5;
}

.service-card h3 {
  margin-bottom: 12px;
  text-transform: none;
  font-size: 1.3rem;
}

.service-card p {
  color: var(--muted);
  font-size: 0.95rem;
  margin-bottom: 16px;
}

.service-card__link {
  font-weight: 600;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
}

.service-card__link:hover {
  gap: 10px;
}

/* --- Why Us --- */
.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.why-grid__image {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
}

.why-grid__image img {
  border-radius: var(--radius);
}

.why-grid__badge {
  position: absolute;
  top: 20px;
  right: 20px;
  background: var(--accent);
  color: var(--white);
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.85rem;
  box-shadow: var(--shadow-lg);
}

.why-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.why-item {
  display: flex;
  gap: 16px;
}

.why-item__icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--card-bg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.why-item__icon svg {
  width: 22px;
  height: 22px;
  stroke: var(--accent);
  fill: none;
  stroke-width: 2;
}

.why-item h4 {
  margin-bottom: 4px;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  text-transform: none;
}

.why-item p {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0;
}

/* --- FAQ Accordion --- */
.faq-list {
  max-width: 800px;
  margin: 48px auto 0;
}

.faq-item {
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.faq-item__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  cursor: pointer;
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--white);
  transition: var(--transition);
}

.faq-item__question:hover {
  color: var(--accent);
}

.faq-item__icon {
  width: 24px;
  height: 24px;
  transition: var(--transition);
}

.faq-item.active .faq-item__icon {
  transform: rotate(45deg);
}

.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.faq-item__answer p {
  padding-bottom: 24px;
  color: rgba(255,255,255,0.7);
  font-size: 0.95rem;
  line-height: 1.7;
}

.faq-item.active .faq-item__answer {
  max-height: 300px;
}

/* --- Quote Form --- */
.form-section {
  background: var(--white);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  max-width: 700px;
  margin: 40px auto 0;
}

.form-grid .full-width {
  grid-column: 1 / -1;
}

.form-group label {
  display: block;
  font-weight: 500;
  font-size: 0.9rem;
  margin-bottom: 6px;
  color: var(--text);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  border: 2px solid #E2EBF0;
  border-radius: var(--radius-sm);
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  transition: var(--transition);
  background: var(--primary-bg);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(26, 143, 191, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

/* --- Final CTA --- */
.final-cta {
  text-align: center;
  padding: 120px 0;
}

.final-cta h2 {
  margin-bottom: 16px;
}

.final-cta p {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.7);
  margin-bottom: 32px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.final-cta .hero__ctas {
  justify-content: center;
}

/* --- Footer --- */
.footer {
  background: var(--dark);
  padding: 60px 0 30px;
  border-top: 1px solid rgba(255,255,255,0.05);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer__brand p {
  color: rgba(255,255,255,0.6);
  font-size: 0.9rem;
  margin-top: 12px;
}

.footer h4 {
  color: var(--white);
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  margin-bottom: 16px;
  text-transform: none;
}

.footer ul li {
  margin-bottom: 8px;
}

.footer ul li a {
  color: rgba(255,255,255,0.6);
  font-size: 0.9rem;
}

.footer ul li a:hover {
  color: var(--accent);
}

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: rgba(255,255,255,0.4);
  font-size: 0.85rem;
}

/* --- Section Headers --- */
.section-header {
  text-align: center;
  margin-bottom: 48px;
}

.section-header h2 {
  margin-bottom: 12px;
}

.section-header p {
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 600px;
  margin: 0 auto;
}

.section--dark .section-header p {
  color: rgba(255,255,255,0.6);
}

/* --- Animations --- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
}

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

/* --- Responsive --- */
@media (max-width: 1024px) {
  .why-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .footer__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav__links {
    display: none;
  }
  .nav__mobile {
    display: flex;
  }
  .hero__content {
    padding: 120px 0 80px;
  }
  .services-grid {
    grid-template-columns: 1fr;
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
  .footer__grid {
    grid-template-columns: 1fr;
  }
  .footer__bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
  .reviews-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero__ctas {
    flex-direction: column;
  }
  .btn {
    justify-content: center;
  }
}

/* --- Contact Page Specific --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-info__item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.contact-info__icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--card-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-info__icon svg {
  width: 20px;
  height: 20px;
  stroke: var(--accent);
  fill: none;
  stroke-width: 2;
}

.emergency-banner {
  background: linear-gradient(135deg, #DC2626, #B91C1C);
  color: var(--white);
  padding: 24px 32px;
  border-radius: var(--radius);
  text-align: center;
}

.emergency-banner h3 {
  margin-bottom: 8px;
  text-transform: none;
}

.emergency-banner a {
  color: var(--white);
  font-size: 1.8rem;
  font-weight: 900;
  font-family: 'Barlow Condensed', sans-serif;
}

.map-container {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  margin-top: 40px;
}

.map-container iframe {
  width: 100%;
  height: 400px;
  border: none;
}

.service-areas {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.service-areas span {
  padding: 6px 14px;
  background: var(--card-bg);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text);
}

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

/* --- Services Page Specific --- */
.service-full-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: var(--shadow);
  border-left: 4px solid var(--accent);
  transition: var(--transition);
}

.service-full-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.service-full-card__header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}

.service-full-card__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  background: var(--card-bg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.service-full-card__icon svg {
  width: 28px;
  height: 28px;
  stroke: var(--accent);
  fill: none;
  stroke-width: 1.5;
}

.service-full-card h3 {
  text-transform: none;
}

.service-full-card__who {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: var(--card-bg);
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent);
  margin-top: 12px;
}

.rebate-section {
  background: linear-gradient(135deg, var(--card-bg), var(--white));
  border: 2px solid var(--accent);
  border-radius: var(--radius);
  padding: 48px;
  text-align: center;
}

.rebate-section h3 {
  color: var(--accent);
  margin-bottom: 12px;
}

.rebate-amount {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 900;
  font-size: 3rem;
  color: var(--accent);
  margin: 16px 0;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
  margin-top: 40px;
}

.pricing-item {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 28px;
  text-align: center;
}

.pricing-item h4 {
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  margin-bottom: 8px;
  text-transform: none;
}

.pricing-item .price {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 900;
  font-size: 1.8rem;
  color: var(--accent);
}

.pricing-item p {
  color: var(--muted);
  font-size: 0.85rem;
  margin-top: 8px;
}

/* --- Form Success State --- */
.form-success {
  display: none;
  text-align: center;
  padding: 60px 40px;
}

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

.form-success__icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--card-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
}

.form-success__icon svg {
  width: 40px;
  height: 40px;
  stroke: var(--accent);
  fill: none;
  stroke-width: 2;
}