:root {
  --ink: #0b2430;
  --ink-soft: #1a3a48;
  --accent: #148c7a;
  --accent-deep: #0e6b5d;
  --accent-soft: #d8f3ee;
  --sand: #eef4f2;
  --paper: #f7faf9;
  --line: rgba(11, 36, 48, 0.12);
  --muted: #4d6670;
  --white: #ffffff;
  --shadow: 0 18px 50px rgba(11, 36, 48, 0.12);
  --radius: 18px;
  --container: 1120px;
  --font-display: "Sora", sans-serif;
  --font-body: "IBM Plex Sans", sans-serif;
  --header-h: 84px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  overflow-x: hidden;
}

body.nav-open {
  overflow: hidden;
}

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

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

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  line-height: 1.15;
  margin: 0 0 0.75rem;
  letter-spacing: -0.02em;
}

p {
  margin: 0 0 1rem;
  color: var(--muted);
}

.container {
  width: min(100% - 2.5rem, var(--container));
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--ink);
  color: var(--white);
  padding: 0.75rem 1rem;
  z-index: 1000;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

/* Header */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--header-h);
  transition: background 0.3s ease, box-shadow 0.3s ease, backdrop-filter 0.3s ease;
}

.site-header.is-scrolled {
  background: rgba(247, 250, 249, 0.9);
  backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 var(--line);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  min-width: 0;
}

.brand-mark {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--ink) 0%, var(--accent) 100%);
  color: var(--white);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1rem;
  flex-shrink: 0;
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.brand-text strong {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
}

.brand-text small {
  color: var(--muted);
  font-size: 0.78rem;
}

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

.site-nav a {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--ink-soft);
  position: relative;
}

.site-nav a:not(.btn)::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 100%;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}

.site-nav a:not(.btn):hover::after,
.site-nav a.is-active:not(.btn)::after {
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  background: transparent;
  padding: 10px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--ink);
  margin: 6px 0;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.95rem 1.4rem;
  border-radius: 999px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1.5px solid transparent;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
  cursor: pointer;
}

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

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

.btn-primary:hover {
  background: var(--accent-deep);
}

.btn-secondary {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.45);
  color: var(--white);
}

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

.btn-outline {
  border-color: var(--ink);
  color: var(--ink);
  background: transparent;
}

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

.btn-nav {
  padding: 0.7rem 1.1rem;
  font-size: 0.88rem;
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  color: var(--white);
  overflow: hidden;
  isolation: isolate;
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(120deg, rgba(11, 36, 48, 0.92) 8%, rgba(14, 107, 93, 0.72) 55%, rgba(11, 36, 48, 0.55) 100%),
    radial-gradient(circle at 78% 22%, rgba(20, 140, 122, 0.45), transparent 40%),
    url("hero-pattern.svg") center/cover no-repeat,
    linear-gradient(160deg, #0b2430, #148c7a);
}

.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, black 30%, transparent 95%);
  animation: gridDrift 28s linear infinite;
}

@keyframes gridDrift {
  from { background-position: 0 0, 0 0; }
  to { background-position: 48px 48px, 48px 48px; }
}

.hero-content {
  width: min(100% - 2.5rem, var(--container));
  margin: 0 auto;
  padding: calc(var(--header-h) + 4rem) 0 5rem;
}

.hero-brand {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 8vw, 5.4rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  margin: 0 0 1rem;
  line-height: 0.95;
  animation: riseIn 0.9s ease both;
}

.hero h1 {
  max-width: 14ch;
  font-size: clamp(1.55rem, 3.4vw, 2.35rem);
  font-weight: 600;
  margin-bottom: 1rem;
  color: rgba(255, 255, 255, 0.95);
  animation: riseIn 0.9s ease 0.12s both;
}

.hero .lead {
  max-width: 38ch;
  color: rgba(244, 251, 249, 0.88);
  font-size: 1.08rem;
  margin-bottom: 2rem;
  animation: riseIn 0.9s ease 0.22s both;
}

.hero .btn-group {
  animation: riseIn 0.9s ease 0.32s both;
}

@keyframes riseIn {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Sections */
.section {
  padding: 5.5rem 0;
}

.section-head {
  max-width: 38rem;
  margin-bottom: 2.75rem;
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.section-head h2 {
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
}

.section-muted {
  background: var(--sand);
}

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

.section-ink p,
.section-ink .muted {
  color: rgba(244, 251, 249, 0.78);
}

.section-ink .eyebrow {
  color: #7fd9c8;
}

/* Split service blocks */
.service-block {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 3.5rem;
  align-items: center;
}

.service-block + .service-block {
  margin-top: 5rem;
}

.service-block.reverse {
  grid-template-columns: 0.95fr 1.05fr;
}

.service-block.reverse .service-copy {
  order: 2;
}

.service-visual {
  min-height: 320px;
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(145deg, rgba(11, 36, 48, 0.9), rgba(20, 140, 122, 0.75)),
    radial-gradient(circle at 30% 20%, rgba(255, 255, 255, 0.18), transparent 45%);
}

.service-visual::before {
  content: "";
  position: absolute;
  inset: 18% 14%;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 14px;
  transform: rotate(-4deg);
}

.service-visual::after {
  content: attr(data-label);
  position: absolute;
  left: 1.5rem;
  bottom: 1.5rem;
  color: var(--white);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  max-width: 10ch;
  line-height: 1.2;
}

.service-list {
  margin: 1.25rem 0 1.75rem;
  display: grid;
  gap: 0.65rem;
}

.service-list li {
  position: relative;
  padding-left: 1.35rem;
  color: var(--ink-soft);
  font-weight: 500;
}

.service-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--accent);
}

/* Segments strip */
.segments {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  margin-top: 1.5rem;
  color: var(--ink-soft);
  font-weight: 500;
}

.segments span {
  position: relative;
  padding-left: 1rem;
}

.segments span::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3.5rem;
  align-items: start;
}

.about-panel {
  background: linear-gradient(160deg, var(--ink), #124a4a);
  color: var(--white);
  border-radius: var(--radius);
  padding: 2.25rem;
  min-height: 100%;
  box-shadow: var(--shadow);
}

.about-panel p {
  color: rgba(244, 251, 249, 0.82);
}

.about-panel h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.about-meta {
  margin-top: 1.75rem;
  display: grid;
  gap: 0.85rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.about-meta a {
  color: #9fe3d5;
  font-weight: 600;
}

.about-meta a:hover {
  text-decoration: underline;
}

/* Stats */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.stat {
  padding: 0.5rem 0;
}

.stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--white);
  line-height: 1;
  margin-bottom: 0.45rem;
}

.stat span {
  color: rgba(244, 251, 249, 0.72);
  font-size: 0.95rem;
}

/* CTA band */
.cta-band {
  padding: 4.5rem 0;
  background:
    linear-gradient(120deg, rgba(11, 36, 48, 0.96), rgba(20, 140, 122, 0.88)),
    var(--ink);
  color: var(--white);
  text-align: center;
}

.cta-band h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.7rem);
  max-width: 16ch;
  margin: 0 auto 1rem;
}

.cta-band p {
  max-width: 42ch;
  margin: 0 auto 1.75rem;
  color: rgba(244, 251, 249, 0.82);
}

.cta-band .btn-group {
  justify-content: center;
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 3rem;
  align-items: start;
}

.contact-info {
  display: grid;
  gap: 1.25rem;
}

.contact-item h3 {
  font-size: 1rem;
  margin-bottom: 0.35rem;
}

.contact-item p,
.contact-item a {
  color: var(--muted);
}

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

.contact-form {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: var(--shadow);
}

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

.form-field {
  margin-bottom: 1rem;
}

.form-field label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.4rem;
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.85rem 1rem;
  font: inherit;
  color: var(--ink);
  background: var(--paper);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(20, 140, 122, 0.18);
  background: var(--white);
}

.form-field textarea {
  min-height: 140px;
  resize: vertical;
}

.honeypot {
  position: absolute;
  left: -9999px;
  opacity: 0;
  pointer-events: none;
}

.alert {
  border-radius: 12px;
  padding: 0.95rem 1.1rem;
  margin-bottom: 1.25rem;
  font-weight: 500;
}

.alert-success {
  background: var(--accent-soft);
  color: var(--accent-deep);
}

.alert-error {
  background: #fde8e8;
  color: #9b1c1c;
}

/* Page hero (inner) */
.page-hero {
  padding: calc(var(--header-h) + 3.5rem) 0 3rem;
  background:
    linear-gradient(180deg, rgba(216, 243, 238, 0.65), transparent),
    var(--paper);
}

.page-hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  max-width: 16ch;
}

.page-hero p {
  max-width: 48ch;
  font-size: 1.08rem;
}

/* Process steps */
.process {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  counter-reset: step;
}

.process-item {
  counter-increment: step;
  padding-top: 0.5rem;
}

.process-item::before {
  content: counter(step, decimal-leading-zero);
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.process-item h3 {
  font-size: 1.2rem;
}

/* Footer */
.site-footer {
  background: #071820;
  color: rgba(244, 251, 249, 0.78);
  padding: 4rem 0 1.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 1fr;
  gap: 2.5rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand p {
  margin-top: 1rem;
  max-width: 34ch;
  color: rgba(244, 251, 249, 0.68);
}

.brand-footer .brand-text strong,
.site-footer h3 {
  color: var(--white);
}

.site-footer h3 {
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

.footer-links {
  display: grid;
  gap: 0.55rem;
}

.footer-links a:hover {
  color: #9fe3d5;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding-top: 1.25rem;
  font-size: 0.9rem;
}

.footer-bottom p {
  margin: 0;
  color: rgba(244, 251, 249, 0.55);
}

.back-top:hover {
  color: #9fe3d5;
}

.whatsapp-float {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25d366;
  color: var(--white);
  display: grid;
  place-items: center;
  box-shadow: 0 10px 30px rgba(37, 211, 102, 0.35);
  z-index: 90;
  transition: transform 0.2s ease;
}

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

/* Reveal */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

[data-reveal="left"] {
  transform: translateX(-28px);
}

[data-reveal="left"].is-visible {
  transform: translateX(0);
}

[data-reveal="right"] {
  transform: translateX(28px);
}

[data-reveal="right"].is-visible {
  transform: translateX(0);
}

/* Responsive */
@media (max-width: 960px) {
  .service-block,
  .service-block.reverse,
  .about-grid,
  .contact-grid,
  .footer-grid,
  .stats,
  .process {
    grid-template-columns: 1fr;
  }

  .service-block.reverse .service-copy {
    order: 0;
  }

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

@media (max-width: 820px) {
  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: fixed;
    inset: var(--header-h) 0 0;
    background: rgba(247, 250, 249, 0.98);
    backdrop-filter: blur(12px);
    flex-direction: column;
    align-items: stretch;
    padding: 1.5rem;
    gap: 0;
    transform: translateX(100%);
    transition: transform 0.3s ease;
  }

  .site-nav.is-open {
    transform: translateX(0);
  }

  .site-nav a {
    padding: 1rem 0.25rem;
    border-bottom: 1px solid var(--line);
  }

  .site-nav .btn-nav {
    margin-top: 1rem;
    border: 0;
    text-align: center;
  }

  .site-nav a:not(.btn)::after {
    display: none;
  }

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

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-content {
    padding-bottom: 4rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}