:root {
  --ink: #092f3c;
  --deep: #06435a;
  --brand: #1388a9;
  --brand-light: #45c5d9;
  --ice: #eaf9fb;
  --panel: #ffffff;
  --muted: #5c737b;
  --line: rgba(19, 136, 169, 0.2);
  --shadow: 0 24px 70px rgba(4, 67, 90, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", Arial, sans-serif;
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(234, 249, 251, 0.9), rgba(255, 255, 255, 0.96) 45%),
    radial-gradient(circle at 15% 10%, rgba(69, 197, 217, 0.32), transparent 28%),
    #ffffff;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px clamp(18px, 5vw, 72px);
  background: rgba(255, 255, 255, 0.86);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  color: var(--deep);
}

.brand img {
  width: 52px;
  height: 52px;
  object-fit: contain;
}

nav {
  display: flex;
  gap: 10px;
}

nav a {
  padding: 10px 14px;
  border-radius: 8px;
  color: var(--deep);
  font-weight: 700;
}

nav a:hover {
  background: var(--ice);
}

nav a[aria-current="page"] {
  color: #ffffff;
  background: var(--deep);
}

.hero {
  min-height: calc(100vh - 81px);
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.75fr);
  align-items: center;
  gap: clamp(28px, 6vw, 90px);
  padding: clamp(48px, 8vw, 110px) clamp(20px, 6vw, 84px) 72px;
}

.hero-copy {
  max-width: 780px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--brand);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  margin: 0;
  max-width: 840px;
  color: var(--deep);
  font-size: clamp(2.45rem, 6vw, 5.9rem);
  line-height: 0.95;
  letter-spacing: 0;
}

h2 {
  margin: 0;
  color: var(--deep);
  font-size: clamp(1.9rem, 4vw, 3.6rem);
  line-height: 1.03;
  letter-spacing: 0;
}

h3 {
  margin: 14px 0 10px;
  color: var(--deep);
  font-size: 1.18rem;
}

.hero-text {
  max-width: 650px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: clamp(1.02rem, 2vw, 1.24rem);
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button,
.whatsapp-button,
.clear-button {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  border: 0;
  border-radius: 8px;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.primary,
.whatsapp-button {
  color: #ffffff;
  background: linear-gradient(135deg, var(--brand), var(--deep));
  box-shadow: 0 16px 34px rgba(19, 136, 169, 0.28);
}

.secondary {
  color: var(--deep);
  background: #ffffff;
  border: 1px solid var(--line);
}

.hero-visual {
  display: grid;
  place-items: center;
  min-height: 420px;
}

.hero-visual img {
  width: min(100%, 430px);
  height: auto;
  filter: drop-shadow(0 28px 52px rgba(4, 67, 90, 0.22));
}

.service-band,
.contact-section,
.clients-hero,
.clients-section {
  padding: 74px clamp(20px, 6vw, 84px);
}

.service-band {
  background: linear-gradient(180deg, #ffffff, var(--ice));
}

.section-heading {
  max-width: 780px;
  margin-bottom: 32px;
}

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

.service-card {
  min-height: 236px;
  padding: 26px;
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 14px 35px rgba(4, 67, 90, 0.08);
}

.service-card span {
  color: var(--brand);
  font-weight: 800;
}

.service-card p {
  color: var(--muted);
  line-height: 1.6;
}

.service-card.featured {
  background: linear-gradient(145deg, var(--deep), var(--brand));
}

.service-card.featured,
.service-card.featured h3,
.service-card.featured p,
.service-card.featured span {
  color: #ffffff;
}

.price {
  margin: 0 0 12px;
  font-size: 1.65rem;
  font-weight: 800;
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(320px, 0.75fr);
  gap: clamp(28px, 5vw, 70px);
  align-items: start;
  background: #ffffff;
}

.contact-copy p:not(.eyebrow) {
  max-width: 560px;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.7;
}

.contact-form {
  padding: 28px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.clients-hero {
  min-height: 430px;
  display: flex;
  align-items: center;
  background:
    linear-gradient(180deg, rgba(234, 249, 251, 0.96), rgba(255, 255, 255, 0.98)),
    radial-gradient(circle at 80% 20%, rgba(69, 197, 217, 0.28), transparent 30%);
}

.clients-hero .section-heading {
  max-width: 980px;
  margin-bottom: 0;
}

.clients-hero h1 {
  max-width: 980px;
  font-size: clamp(2.25rem, 5.5vw, 5.2rem);
}

.clients-section {
  background: #ffffff;
}

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

.client-card {
  min-height: 220px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 26px;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 14px 35px rgba(4, 67, 90, 0.08);
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.client-card:hover {
  transform: translateY(-4px);
  border-color: rgba(19, 136, 169, 0.45);
  box-shadow: 0 20px 45px rgba(4, 67, 90, 0.14);
}

.client-card span {
  color: var(--brand);
  font-weight: 800;
}

.client-card h2 {
  margin: 28px 0 12px;
  font-size: clamp(1.25rem, 2.1vw, 1.7rem);
  line-height: 1.15;
}

.client-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.clients-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  margin-top: 34px;
  padding: 28px;
  color: #ffffff;
  background: linear-gradient(135deg, var(--deep), var(--brand));
  border-radius: 8px;
}

.clients-cta h2 {
  color: #ffffff;
  font-size: clamp(1.45rem, 3vw, 2.4rem);
}

.clients-cta .button {
  flex: 0 0 auto;
  color: var(--deep);
  background: #ffffff;
  box-shadow: none;
}

label {
  display: block;
  margin: 16px 0 8px;
  color: var(--deep);
  font-weight: 800;
}

label span {
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 600;
}

label:first-child {
  margin-top: 0;
}

input,
select,
textarea {
  width: 100%;
  min-height: 52px;
  padding: 0 14px;
  color: var(--ink);
  background: #f7fcfd;
  border: 1px solid rgba(19, 136, 169, 0.28);
  border-radius: 8px;
  font: inherit;
  outline: none;
}

textarea {
  min-height: 118px;
  padding-top: 14px;
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 4px rgba(69, 197, 217, 0.18);
}

.whatsapp-button {
  width: 100%;
  margin-top: 22px;
}

.clear-button {
  width: 100%;
  margin-top: 12px;
  color: var(--deep);
  background: #ffffff;
  border: 1px solid var(--line);
}

.clear-button:hover {
  background: var(--ice);
}

.form-note {
  margin: 14px 0 0;
  color: var(--muted);
  text-align: center;
  font-size: 0.94rem;
}

footer {
  padding: 28px 20px;
  color: #ffffff;
  background: var(--deep);
  text-align: center;
}

footer p {
  margin: 0;
}

@media (max-width: 920px) {
  .hero,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 42px;
  }

  .hero-visual {
    min-height: auto;
  }

  .hero-visual img {
    max-width: 320px;
  }

  .service-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .clients-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .clients-cta {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  nav {
    width: 100%;
  }

  nav a {
    flex: 1;
    text-align: center;
  }

  .hero {
    min-height: auto;
  }

  .hero-actions,
  .button {
    width: 100%;
  }

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

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

  .contact-form {
    padding: 22px;
  }
}