:root {
  color-scheme: light;
  --ink: #18211f;
  --muted: #5f6c68;
  --paper: #fbfaf4;
  --panel: #ffffff;
  --line: #d8ddd7;
  --teal: #16766f;
  --teal-dark: #0f4f4b;
  --coral: #d86f4c;
  --amber: #f4b345;
  --blue: #426a9f;
  --shadow: 0 22px 60px rgba(24, 33, 31, 0.14);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.55;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px clamp(18px, 5vw, 72px);
  background: rgba(251, 250, 244, 0.92);
  border-bottom: 1px solid rgba(216, 221, 215, 0.8);
  backdrop-filter: blur(12px);
}

.brand {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  min-width: max-content;
}

.brand-logo {
  width: 62px;
  height: 62px;
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  object-fit: contain;
  filter: drop-shadow(0 8px 18px rgba(24, 33, 31, 0.2));
}

.brand-mark {
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  filter: drop-shadow(0 8px 16px rgba(24, 33, 31, 0.13));
}

.mark-body {
  fill: var(--ink);
}

.mark-circuit,
.mark-smile {
  fill: none;
  stroke: var(--paper);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2.4;
}

.mark-dot-left {
  fill: var(--coral);
}

.mark-dot-right {
  fill: var(--amber);
}

.mark-spark {
  fill: var(--teal);
  stroke: var(--paper);
  stroke-linejoin: round;
  stroke-width: 1.3;
}

.brand-word {
  display: inline-flex;
  align-items: baseline;
  color: var(--ink);
  font-size: 1.12rem;
  font-weight: 900;
  line-height: 1;
}

.brand-word span {
  color: var(--teal-dark);
}

.brand-word strong {
  color: var(--coral);
  font-weight: 950;
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(12px, 3vw, 30px);
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 700;
}

.nav a:hover {
  color: var(--teal-dark);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 1.1fr);
  gap: clamp(28px, 5vw, 70px);
  align-items: center;
  min-height: calc(100vh - 120px);
  padding: clamp(36px, 5vw, 70px) clamp(18px, 5vw, 72px) 28px;
}

.hero-copy {
  max-width: 660px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--teal);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  max-width: 12ch;
  font-size: clamp(3rem, 7vw, 6.8rem);
  line-height: 0.95;
}

h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 4.5rem);
  line-height: 1;
}

h3 {
  margin: 0 0 12px;
  font-size: 1.25rem;
  line-height: 1.2;
}

.hero-text {
  max-width: 620px;
  margin: 26px 0 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.35rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  padding: 12px 18px;
  font-weight: 850;
}

.button-primary {
  background: var(--teal-dark);
  color: #fff;
  box-shadow: 0 14px 30px rgba(15, 79, 75, 0.2);
}

.button-secondary {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.62);
  color: var(--ink);
}

.hero-media {
  margin: 0;
}

.hero-media img {
  width: 100%;
  height: auto;
  aspect-ratio: 1280 / 691;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.hero-media figcaption {
  max-width: 620px;
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.92rem;
}

.intro {
  padding: 24px clamp(18px, 5vw, 72px) 0;
}

.intro p {
  max-width: 920px;
  margin: 0;
  font-size: clamp(1.25rem, 2.6vw, 2rem);
  line-height: 1.25;
}

.section {
  padding: clamp(70px, 10vw, 130px) clamp(18px, 5vw, 72px);
}

.section-heading {
  display: grid;
  gap: 10px;
  max-width: 850px;
  margin-bottom: 34px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.product-card {
  min-height: 420px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.product-card:nth-child(1) {
  border-top: 6px solid var(--coral);
}

.product-card:nth-child(2) {
  border-top: 6px solid var(--blue);
}

.product-card:nth-child(3) {
  border-top: 6px solid var(--amber);
}

.card-number {
  display: block;
  margin-bottom: 34px;
  color: var(--muted);
  font-weight: 900;
}

.product-card p,
.feature-list p,
.timeline li {
  color: var(--muted);
}

.product-card ul {
  display: grid;
  gap: 10px;
  margin: 22px 0 0;
  padding-left: 18px;
}

.split {
  display: grid;
  grid-template-columns: minmax(240px, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(30px, 6vw, 90px);
  background: #eef4f0;
}

.feature-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.feature-list article {
  padding: 22px 0;
  border-top: 1px solid rgba(24, 33, 31, 0.18);
}

.timeline {
  background: var(--ink);
  color: #fff;
}

.timeline .eyebrow,
.timeline p {
  color: #9bd2cb;
}

.timeline ol {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.timeline li {
  position: relative;
  min-height: 240px;
  padding: 72px 22px 22px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  color: rgba(255, 255, 255, 0.72);
}

.timeline li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  top: 20px;
  left: 22px;
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 7px;
  background: #fff;
  color: var(--ink);
  font-weight: 900;
}

.timeline strong {
  display: block;
  margin-bottom: 10px;
  color: #fff;
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: center;
  padding: clamp(50px, 8vw, 90px) clamp(18px, 5vw, 72px);
  background: #fff;
}

.contact h2 {
  max-width: 880px;
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: flex-end;
}

.contact-icon {
  display: inline-flex;
  width: 52px;
  height: 52px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--paper);
  color: var(--teal-dark);
  transition: background 180ms ease, color 180ms ease, transform 180ms ease;
}

.contact-icon:hover {
  background: var(--teal-dark);
  color: #fff;
  transform: translateY(-2px);
}

.contact-icon svg {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.contact-icon-whatsapp {
  color: #1c8b54;
}

.inquiry-form {
  display: grid;
  grid-column: 1 / -1;
  gap: 18px;
  padding-top: 10px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.inquiry-form label {
  display: grid;
  gap: 8px;
  color: var(--ink);
  font-size: 0.86rem;
  font-weight: 850;
}

.inquiry-form input,
.inquiry-form select,
.inquiry-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  color: var(--ink);
  font: inherit;
  font-weight: 600;
  padding: 12px 14px;
}

.inquiry-form textarea {
  min-height: 132px;
  resize: vertical;
}

.inquiry-form input:focus,
.inquiry-form select:focus,
.inquiry-form textarea:focus {
  border-color: var(--teal);
  outline: 3px solid rgba(22, 118, 111, 0.16);
}

.hidden-field {
  display: none;
}

.inquiry-form .button {
  justify-self: start;
  border: 0;
  cursor: pointer;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 24px clamp(18px, 5vw, 72px);
  color: var(--muted);
  border-top: 1px solid var(--line);
}

@media (max-width: 900px) {
  .hero,
  .split,
  .contact {
    grid-template-columns: 1fr;
  }

  .contact-actions {
    justify-content: flex-start;
  }

  .hero {
    min-height: auto;
  }

  h1 {
    max-width: 12ch;
    font-size: clamp(2.8rem, 12vw, 4.7rem);
  }

  .product-grid,
  .timeline ol {
    grid-template-columns: 1fr;
  }

  .product-card,
  .timeline li {
    min-height: auto;
  }
}

@media (max-width: 680px) {
  .site-header,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .brand-logo {
    width: 56px;
    height: 56px;
  }

  .feature-list {
    grid-template-columns: 1fr;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .button {
    width: 100%;
  }

  .hero {
    gap: 22px;
    padding-top: 30px;
    padding-bottom: 18px;
  }

  .hero-text {
    margin-top: 18px;
    font-size: 1rem;
  }

  .hero-actions {
    margin-top: 22px;
  }

  .hero-actions .button {
    flex: 1 1 150px;
    width: auto;
  }

  .hero-media figcaption {
    display: none;
  }
}