:root {
  --green: #0d4a3f;
  --green-dark: #083329;
  --green-light: #1a6b5c;
  --teal: #2a9d8f;
  --mint: #d4ebe4;
  --bg: #f4f6f2;
  --bg-grid: #e8ece6;
  --text: #1a1f1c;
  --text-muted: #5c6560;
  --white: #ffffff;
  --radius: 20px;
  --radius-sm: 12px;
  --shadow: 0 4px 24px rgba(13, 74, 63, 0.08);
  --font: 'DM Sans', system-ui, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  padding: 0.75rem 1rem;
  background: var(--green);
  color: var(--white);
  font-weight: 600;
  border-radius: 0 0 var(--radius-sm) 0;
}

.skip-link:focus {
  left: 0;
}

.fa-icon {
  flex-shrink: 0;
  line-height: 1;
  display: inline-block;
  vertical-align: middle;
}

.fa-icon--inline {
  font-size: 0.9rem;
}

.fa-icon--lg {
  font-size: 1.2rem;
}

.fa-icon--xl {
  font-size: 2rem;
}

.fa-icon--bolt {
  font-size: 0.75rem;
  color: var(--teal);
}

.fa-icon--check {
  font-size: 0.85rem;
  color: var(--teal);
  margin-top: 0.15rem;
}

.fa-icon--play {
  font-size: 2.75rem;
  color: var(--white);
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  background-image:
    linear-gradient(var(--bg-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--bg-grid) 1px, transparent 1px);
  background-size: 48px 48px;
}

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

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

.container {
  width: min(1140px, 92vw);
  margin-inline: auto;
}

.section-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal);
  margin: 0 0 0.75rem;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.65rem);
  font-weight: 700;
  line-height: 1.15;
  margin: 0 0 1rem;
  letter-spacing: -0.02em;
}

.section-title .accent {
  color: var(--teal);
}

.section-lead {
  color: var(--text-muted);
  max-width: 52ch;
  margin: 0 0 2rem;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(244, 246, 242, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.site-header--scrolled {
  border-color: rgba(13, 74, 63, 0.08);
  box-shadow: var(--shadow);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
}

.logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.logo__img {
  height: clamp(36px, 8vw, 48px);
  width: auto;
  max-width: min(200px, 42vw);
  object-fit: contain;
}

.footer-logo {
  height: 40px;
  width: auto;
  max-width: 180px;
  object-fit: contain;
  border-radius: 6px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.site-nav a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.15s;
}

.site-nav a:hover {
  color: var(--green);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.header-phone {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 600;
  font-size: 0.9rem;
  white-space: nowrap;
  color: var(--green);
}

.header-phone .fa-icon {
  color: var(--teal);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  padding: 0.5rem;
  cursor: pointer;
  color: var(--green);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.35rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s, background 0.15s, color 0.15s;
  font-family: inherit;
}

.btn:hover {
  transform: translateY(-1px);
}

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

.btn--primary:hover {
  background: var(--green-dark);
}

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

.btn--ghost {
  background: transparent;
  border-color: var(--mint);
  color: var(--green);
}

.btn--wide {
  width: 100%;
}

.btn--whatsapp-outline {
  background: var(--white);
  border-color: #25d366;
  color: #128c7e;
}

/* Hero */
.hero {
  padding: 3rem 0 2rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
}

.hero-kicker {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 1rem;
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 800;
  line-height: 1.08;
  margin: 0 0 1.25rem;
  letter-spacing: -0.03em;
}

.hero-title .accent {
  color: var(--teal);
}

.hero-desc {
  color: var(--text-muted);
  margin-bottom: 1.75rem;
  max-width: 46ch;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
}

.hero-visual {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4 / 5;
  box-shadow: var(--shadow);
}

.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-badges {
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  right: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.hero-badge {
  background: rgba(8, 51, 41, 0.85);
  color: var(--white);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  padding: 0.45rem 0.75rem;
  border-radius: 999px;
}

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(13, 74, 63, 0.1);
}

.stat strong {
  display: block;
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--green);
  line-height: 1.2;
}

.stat span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Ticker */
.ticker {
  background: #e8ece8;
  border-block: 1px solid rgba(13, 74, 63, 0.06);
  overflow: hidden;
  padding: 0.85rem 0;
}

.ticker-track {
  display: flex;
  gap: 2rem;
  animation: ticker 28s linear infinite;
  width: max-content;
}

.ticker-track span {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  white-space: nowrap;
}

@keyframes ticker {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

/* Sections */
section {
  padding: 4.5rem 0;
}

.service-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.service-card {
  background: var(--white);
  border: 2px solid transparent;
  border-radius: var(--radius);
  padding: 1.35rem;
  cursor: pointer;
  box-shadow: var(--shadow);
  transition: border-color 0.2s, transform 0.15s;
  text-align: left;
  font-family: inherit;
  color: inherit;
}

.service-card:hover {
  transform: translateY(-2px);
}

.service-card--active {
  border-color: var(--teal);
}

.service-card__num {
  float: right;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.service-card__icon {
  margin-bottom: 0.75rem;
  color: var(--green);
}

.service-card h3 {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
}

.service-card p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.service-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  background: #ebedea;
  border-radius: var(--radius);
  padding: 2rem;
  align-items: center;
}

.service-detail h3 {
  font-size: 1.35rem;
  margin: 0 0 1rem;
}

.service-detail p {
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

.check-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem 1rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.check-grid li {
  font-size: 0.88rem;
}

.check-grid--icons li {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}

.check-grid:not(.check-grid--icons) li {
  padding-left: 1.5rem;
  position: relative;
}

.check-grid:not(.check-grid--icons) li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--teal);
  font-weight: 700;
}

.service-detail__img {
  border-radius: var(--radius-sm);
  overflow: hidden;
  aspect-ratio: 3 / 4;
}

.service-detail__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Smart home */
.smart-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
}

.feature-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 1.5rem 0;
}

.feature-card {
  background: var(--white);
  border-radius: var(--radius-sm);
  padding: 1.15rem;
  box-shadow: var(--shadow);
}

.feature-card h4 {
  margin: 0 0 0.35rem;
  font-size: 0.95rem;
}

.feature-card p {
  margin: 0;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.smart-panel {
  background: linear-gradient(145deg, var(--green-dark), var(--green));
  border-radius: var(--radius);
  padding: 1.5rem;
  color: var(--white);
  box-shadow: var(--shadow);
}

.smart-panel__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.9;
}

.smart-panel__status {
  color: #7dffb2;
}

.scene-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 1.25rem;
}

.scene-btn {
  border: none;
  background: rgba(255, 255, 255, 0.12);
  color: var(--white);
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  font-size: 0.75rem;
  cursor: pointer;
  font-family: inherit;
}

.scene-btn--active {
  background: var(--white);
  color: var(--green-dark);
  font-weight: 600;
}

.room-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.room-tile {
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  padding: 0.65rem;
  font-size: 0.72rem;
  text-align: center;
}

.room-tile--on {
  background: rgba(255, 220, 100, 0.25);
  box-shadow: 0 0 12px rgba(255, 200, 80, 0.35);
}

.smart-meta {
  font-size: 0.75rem;
  opacity: 0.85;
  margin-bottom: 0.75rem;
}

.energy-bar {
  height: 6px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  overflow: hidden;
}

.energy-bar span {
  display: block;
  height: 100%;
  width: 38%;
  background: #7dffb2;
  border-radius: 999px;
}

/* Projects */
.project-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.project-card {
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--white);
  box-shadow: var(--shadow);
}

.project-card img {
  aspect-ratio: 4 / 3;
  object-fit: cover;
  width: 100%;
}

.project-card figcaption {
  padding: 1rem 1.15rem;
  font-size: 0.9rem;
  font-weight: 600;
}

/* Reels */
.reels-status {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}

.reels-status--error {
  color: #b45309;
}

.reels-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.reel-card {
  background: var(--white);
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.15s;
}

.reel-card:hover {
  transform: scale(1.02);
}

.reel-card__thumb {
  position: relative;
  aspect-ratio: 9 / 16;
  background: var(--green-dark);
}

.reel-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.reel-card__play {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.25);
}

.reel-card__caption {
  font-size: 0.75rem;
  padding: 0.65rem;
  margin: 0;
  color: var(--text-muted);
  line-height: 1.35;
}

.reels-embeds {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
}

.reel-embed {
  min-height: 480px;
  overflow: hidden;
  border-radius: var(--radius-sm);
}

.reels-cta {
  text-align: center;
  margin-top: 2rem;
}

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

.about-box {
  background: var(--white);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
}

.about-list {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 0;
}

.about-list li {
  padding: 0.65rem 0;
  border-bottom: 1px solid rgba(13, 74, 63, 0.08);
  font-size: 0.95rem;
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 2rem;
  align-items: start;
}

.info-cards {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.info-card {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  background: var(--white);
  border-radius: var(--radius-sm);
  padding: 1.15rem 1.25rem;
  box-shadow: var(--shadow);
}

.info-card__icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--mint);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--green);
}

.info-card small {
  display: block;
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.2rem;
}

.info-card strong,
.info-card a {
  font-size: 0.95rem;
  font-weight: 600;
}

.contact-form-wrap {
  background: #ebedea;
  border-radius: var(--radius);
  padding: 2rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1rem;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 1rem;
}

.form-field label {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.form-field input,
.form-field select,
.form-field textarea {
  border: 1px solid rgba(13, 74, 63, 0.12);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  font-family: inherit;
  font-size: 0.95rem;
  background: var(--white);
}

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

.form-actions {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

/* Footer */
.site-footer {
  background: var(--green-dark);
  color: rgba(255, 255, 255, 0.85);
  padding: 2.5rem 0 1.5rem;
  margin-top: 2rem;
}

.footer-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.site-footer a:hover {
  color: var(--white);
}

.footer-copy {
  text-align: center;
  font-size: 0.8rem;
  opacity: 0.7;
  margin-top: 1.25rem;
}

/* Float */
.float-actions {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 90;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.float-btn {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
  font-size: 1.35rem;
  transition: transform 0.15s;
}

.float-btn:hover {
  transform: scale(1.06);
}

.float-btn--phone {
  background: var(--green);
  color: var(--white);
}

.float-btn--wa {
  background: #25d366;
  color: var(--white);
}

.float-btn .fa-icon {
  font-size: 1.45rem;
}

/* Responsive */
@media (max-width: 960px) {
  .hero-grid,
  .smart-grid,
  .service-detail,
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .service-cards,
  .project-grid {
    grid-template-columns: 1fr;
  }

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

  .site-nav {
    position: fixed;
    inset: 0 0 auto 0;
    top: 72px;
    background: var(--bg);
    flex-direction: column;
    padding: 1.5rem;
    gap: 1rem;
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.25s, opacity 0.25s;
    border-bottom: 1px solid rgba(13, 74, 63, 0.1);
  }

  .site-nav--open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-toggle {
    display: block;
  }

  .header-phone {
    display: none;
  }

  .check-grid,
  .feature-cards {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .form-row {
    grid-template-columns: 1fr;
  }

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