/* Linkage — Elite Light SaaS Design System */
:root {
  --bg-deep: #ffffff;
  --bg-navy: #f8fafc;
  --bg-card: #ffffff;
  --bg-elevated: #f1f5f9;
  --bg-subtle: #f1f5f9;
  --accent-blue: #3b82f6;
  --accent-blue-soft: #60a5fa;
  --accent-purple: #8b5cf6;
  --accent-purple-soft: #a78bfa;
  --whatsapp: #25d366;
  --whatsapp-soft: #22c55e;
  --text-primary: #0f172a;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  --border: rgba(0, 0, 0, 0.06);
  --glow-blue: rgba(59, 130, 246, 0.08);
  --glow-purple: rgba(139, 92, 246, 0.08);
  --glow-white: rgba(0, 0, 0, 0.02);
  --font: "Inter", system-ui, -apple-system, sans-serif;
  --announce-height: 2.25rem;
  --header-height: 4rem;
  --top-offset: calc(var(--announce-height) + var(--header-height));
  --radius: 12px;
  --radius-lg: 20px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --transition: 0.45s var(--ease);
  --transition-fast: 0.3s var(--ease);
  --gradient-hero: linear-gradient(135deg, #f8fafc, #eef2ff, #ede9fe);
  --gradient-btn: linear-gradient(90deg, #3b82f6, #8b5cf6);
  --gradient-announce: linear-gradient(90deg, #3b82f6, #8b5cf6);
  --header-bg: rgba(255, 255, 255, 0.8);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.04), 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.06), 0 4px 10px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.08);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--top-offset);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text-primary);
  background: var(--bg-deep);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  padding-top: var(--top-offset);
}

::selection {
  background: rgba(59, 130, 246, 0.15);
  color: var(--text-primary);
}

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

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

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--accent-blue);
  outline-offset: 3px;
}

.container {
  width: min(1140px, 100% - 2rem);
  margin-inline: auto;
}

.section {
  padding-block: clamp(4rem, 9vw, 6.5rem);
  position: relative;
}

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

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin: 0 0 1rem;
}

.section-lead {
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 36rem;
  margin: 0;
}

/* Announcement bar */
.announce-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1100;
  height: var(--announce-height);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-announce);
  color: #ffffff;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-align: center;
  padding-inline: 1rem;
  animation: announce-slide 0.7s var(--ease) forwards;
  opacity: 0;
}

@keyframes announce-slide {
  from {
    opacity: 0;
    transform: translateY(-100%);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Header */
.site-header {
  position: fixed;
  top: var(--announce-height);
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  transition: background var(--transition-fast), backdrop-filter var(--transition-fast),
    box-shadow var(--transition-fast);
}

.site-header.is-scrolled {
  background: var(--header-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  height: 100%;
  gap: 1rem;
}

.site-header__brand {
  font-size: 1.125rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  background: var(--gradient-btn);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  flex-shrink: 0;
}

.site-header__brand:hover {
  opacity: 0.9;
}

.nav {
  display: none;
}

@media (min-width: 900px) {
  .nav {
    display: block;
    flex: 1;
    max-width: 520px;
    margin-inline: auto;
  }
  .nav__list {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    list-style: none;
    margin: 0;
    padding: 0;
  }
  .nav__link {
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: 8px;
    transition: color var(--transition-fast), background var(--transition-fast);
  }
  .nav__link:hover {
    color: var(--text-primary);
    background: var(--glow-white);
  }
  .nav__link--active {
    color: var(--accent-blue);
    background: rgba(59, 130, 246, 0.06);
  }
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast),
    opacity var(--transition-fast);
}

.btn--primary {
  background: var(--gradient-btn);
  color: var(--text-primary);
  box-shadow: 0 4px 16px rgba(59, 130, 246, 0.25);
}

.btn--primary:hover:not(.btn-magnetic) {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(59, 130, 246, 0.35);
}

.btn--ghost {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn--ghost:hover {
  border-color: var(--accent-blue);
  background: rgba(59, 130, 246, 0.05);
}

.btn--lg {
  padding: 0.85rem 1.5rem;
  font-size: 0.9375rem;
}

.site-header__cta {
  display: none;
}

@media (min-width: 900px) {
  .site-header__cta {
    display: inline-flex;
  }
}

.menu-btn {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
}

@media (min-width: 900px) {
  .menu-btn {
    display: none;
  }
}

.menu-btn__line {
  display: block;
  width: 18px;
  height: 2px;
  margin-inline: auto;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

body.nav-open .menu-btn__line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
body.nav-open .menu-btn__line:nth-child(2) {
  opacity: 0;
}
body.nav-open .menu-btn__line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-nav {
  position: fixed;
  inset: var(--top-offset) 0 0 0;
  z-index: 999;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(12px);
  padding: 2rem 1.5rem;
  transform: translateX(100%);
  transition: transform var(--transition);
  overflow-y: auto;
}

body.nav-open .mobile-nav {
  transform: translateX(0);
}

.mobile-nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.mobile-nav__link {
  display: block;
  padding: 1rem 0;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
}

/* Page hero (inner pages) */
.page-hero {
  padding-block: clamp(3rem, 8vw, 5rem) clamp(2rem, 5vw, 3rem);
  background: var(--gradient-hero);
  text-align: center;
  border-bottom: 1px solid var(--border);
}

.mobile-nav__cta {
  margin-top: 1.5rem;
  width: 100%;
}

/* Hero */
.hero {
  position: relative;
  isolation: isolate;
  background: var(--gradient-hero);
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}

.hero__grid {
  display: grid;
  gap: 3rem;
  align-items: center;
}

@media (min-width: 900px) {
  .hero__grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

.hero__tag {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-purple-soft);
  margin: 0 0 1rem;
}

.hero__title {
  font-size: clamp(2rem, 5.5vw, 3.25rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.08;
  margin: 0 0 1.25rem;
  color: var(--text-primary);
}

.hero__title span {
  background: linear-gradient(90deg, var(--accent-blue-soft), var(--accent-purple-soft));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__sub {
  color: var(--text-secondary);
  font-size: 1.0625rem;
  max-width: 32rem;
  margin: 0 0 2rem;
}

.hero__content {
  position: relative;
  z-index: 2;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero__visual {
  position: relative;
  z-index: 1;
  min-height: clamp(280px, 42vw, 380px);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

#hero-city-container {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

/* Floating labels for 3D scene */
.hero-label {
  position: absolute;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(80, 140, 255, 0.4);
  border-radius: 10px;
  padding: 6px 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  pointer-events: none;
  opacity: 0;
  transform: translateX(-50%) translateY(-50%);
  transition: opacity 0.5s;
  white-space: nowrap;
  box-shadow: 0 0 18px rgba(80, 140, 255, 0.18), 0 2px 12px rgba(0, 0, 0, 0.13);
  backdrop-filter: blur(6px);
  z-index: 1;
}
.hero-label.visible {
  opacity: 1;
}
.hero-label svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}
.hero-label span {
  font-size: 0.8125rem;
  font-weight: 600;
  color: #1a237e;
  letter-spacing: 0.01em;
}
.hero-label::after {
  content: "";
  position: absolute;
  bottom: -6px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-top: 6px solid rgba(255, 255, 255, 0.92);
}

@media (hover: hover) and (pointer: fine) {
  .btn-magnetic {
    will-change: transform;
    transition: box-shadow 0.4s var(--ease), border-color 0.4s var(--ease),
      background 0.4s var(--ease), opacity 0.4s var(--ease);
  }

  .btn-magnetic.btn--primary.is-magnetic-hover {
    box-shadow: 0 12px 36px rgba(59, 130, 246, 0.35), 0 0 20px rgba(139, 92, 246, 0.12);
  }

  .btn-magnetic.btn--ghost.is-magnetic-hover {
    border-color: rgba(59, 130, 246, 0.4);
    background: rgba(59, 130, 246, 0.04);
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.12);
  }

  .whatsapp-float.btn-magnetic:hover {
    transform: none;
  }

  .whatsapp-float.btn-magnetic.is-magnetic-hover {
    animation: none;
    box-shadow: 0 8px 32px rgba(37, 211, 102, 0.4), 0 0 20px rgba(37, 211, 102, 0.15);
  }
}



/* Trust stats */
.trust {
  padding-block: clamp(3rem, 7vw, 5rem);
}

.trust__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
}

.trust-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem 1.25rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast),
    border-color var(--transition-fast);
}

.trust-card:hover {
  transform: translateY(-4px);
  border-color: rgba(59, 130, 246, 0.2);
  box-shadow: var(--shadow-lg);
}

.trust-card__value {
  font-size: 1.5rem;
  font-weight: 800;
  background: var(--gradient-btn);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin: 0 0 0.35rem;
}

.trust-card__label {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.4;
}

/* Ecosystem marquee */
.ecosystem {
  padding-block: 3rem;
  overflow: hidden;
  position: relative;
}

.ecosystem::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(139, 92, 246, 0.04), transparent 70%);
  opacity: 1;
  pointer-events: none;
}

.marquee {
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

.marquee__inner {
  display: flex;
  width: max-content;
  gap: 2.5rem;
  padding: 1rem 0;
  animation: marquee-scroll 40s linear infinite;
}

.marquee--reverse .marquee__inner {
  animation-direction: reverse;
  animation-duration: 45s;
}

.marquee__track {
  display: flex;
  gap: 2.5rem;
  flex-shrink: 0;
}

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

.eco-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-muted);
  white-space: nowrap;
  box-shadow: var(--shadow-sm);
  transition: color var(--transition-fast), border-color var(--transition-fast),
    box-shadow var(--transition-fast);
}

.eco-item:hover {
  color: var(--text-primary);
  border-color: var(--accent-blue);
  box-shadow: 0 0 20px rgba(59, 130, 246, 0.1);
}

.eco-item__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}
.eco-item__icon svg {
  width: 100%;
  height: 100%;
  display: block;
}
@media (max-width: 480px) {
  .eco-item__icon {
    width: 16px;
    height: 16px;
  }
}

/* Services home */
.services-home__block {
  display: grid;
  gap: 2.5rem;
  margin-bottom: clamp(3rem, 6vw, 5rem);
}

.services-home__block:last-child {
  margin-bottom: 0;
}

@media (min-width: 768px) {
  .services-home__block--split {
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 3rem;
  }
  .services-home__block--split.reverse .services-home__text {
    order: 2;
  }
  .services-home__block--split.reverse .services-home__visual {
    order: 1;
  }
}

.services-home__icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--gradient-btn);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.services-home__title {
  font-size: 1.35rem;
  font-weight: 700;
  margin: 0 0 0.75rem;
}

.services-home__desc {
  color: var(--text-secondary);
  margin: 0;
}

.services-home__list {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.services-home__list li {
  position: relative;
  padding-left: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  font-size: 0.9375rem;
}

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

.services-home__visual {
  background: linear-gradient(135deg, #f8fafc, #eef2ff);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  min-height: 340px;
  position: relative;
  overflow: hidden;
}

.services-home__img {
  display: block;
  width: 100%;
  height: 100%;
  position: absolute;
  inset: 0;
  object-fit: cover;
  object-position: center;
}

.services-home__visual-inner {
  font-size: 3rem;
  opacity: 0.3;
}

.viz-canvas {
  display: block;
  width: 100%;
  height: 100%;
  position: absolute;
  inset: 0;
}

/* Why websites */
.why-web {
  background: var(--bg-navy);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.why-web__grid {
  display: grid;
  gap: 3rem;
}

@media (min-width: 900px) {
  .why-web__grid {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }
}

.why-web__points {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.why-web__point h3 {
  font-size: 1.1rem;
  margin: 0 0 0.35rem;
}

.why-web__point p {
  color: var(--text-secondary);
  margin: 0;
  font-size: 0.9375rem;
}

.diagram {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  padding: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.diagram__node {
  padding: 1rem 1.25rem;
  background: var(--bg-elevated);
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.875rem;
  text-align: center;
  min-width: 100px;
}

.diagram__node--highlight {
  background: var(--gradient-btn);
  color: #fff;
  box-shadow: 0 8px 24px rgba(59, 130, 246, 0.2);
}

.diagram__arrow {
  color: var(--accent-purple-soft);
  font-size: 1.5rem;
}

/* Why Linkage alternating */
.why-linkage__row {
  display: grid;
  gap: 2rem;
  padding-block: 2.5rem;
  border-bottom: 1px solid var(--border);
}

.why-linkage__row:last-child {
  border-bottom: none;
}

@media (min-width: 768px) {
  .why-linkage__row {
    grid-template-columns: 120px 1fr;
    gap: 2.5rem;
    align-items: start;
  }
}

.why-linkage__num {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--text-muted);
  line-height: 1;
  opacity: 0.4;
}

.why-linkage__row h3 {
  font-size: 1.25rem;
  margin: 0 0 0.5rem;
}

.why-linkage__row p {
  color: var(--text-secondary);
  margin: 0;
  max-width: 40rem;
}

/* Offers */
.offers {
  background: var(--bg-navy);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.offers__grid {
  display: grid;
  gap: 1.5rem;
  margin-top: 2.5rem;
}

@media (min-width: 768px) {
  .offers__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.offer-tier {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem 1.75rem;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-fast), border-color var(--transition-fast),
    box-shadow var(--transition-fast);
}

.offer-tier:hover {
  transform: translateY(-6px);
  border-color: rgba(139, 92, 246, 0.25);
  box-shadow: var(--shadow-xl);
}

.offer-tier--featured {
  border-color: rgba(59, 130, 246, 0.25);
  background: linear-gradient(180deg, #ffffff, #f8fafc);
  box-shadow: var(--shadow-md);
}

.offer-tier__badge {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-purple-soft);
  margin-bottom: 0.5rem;
}

.offer-tier__name {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0 0 1rem;
}

.offer-tier__list {
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
  flex: 1;
}

.offer-tier__list li {
  font-size: 0.875rem;
  color: var(--text-secondary);
  padding: 0.4rem 0;
  padding-left: 1.1rem;
  position: relative;
}

.offer-tier__list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent-blue);
  font-weight: 700;
}

.offers__cta-wrap {
  text-align: center;
  margin-top: 2.5rem;
}

/* Portfolio */
.portfolio__grid {
  display: grid;
  gap: 1.5rem;
  margin-top: 2rem;
}

@media (min-width: 600px) {
  .portfolio__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .portfolio__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

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

.project-card__preview {
  aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, #eef2ff 0%, #f8fafc 50%, #ede9fe 100%);
  position: relative;
  overflow: hidden;
}

.project-card__preview::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(248, 250, 252, 0.9));
}

.project-card__tag {
  position: absolute;
  top: 12px;
  left: 12px;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.35rem 0.65rem;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--border);
  border-radius: 6px;
  z-index: 1;
}

.project-card__body {
  padding: 1.25rem 1.5rem 1.5rem;
}

.project-card__title {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0 0 0.5rem;
}

.project-card__desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin: 0 0 1rem;
}

.project-card__link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent-blue-soft);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: gap var(--transition-fast);
}

.project-card__link:hover {
  gap: 0.6rem;
}

/* Projects section — dark theme */
.projects {
  background: #0A0E17;
  position: relative;
  isolation: isolate;
}

.projects .section-tag {
  color: #3B82F6;
}

.projects .section-title {
  color: #E5E7EB;
}

.projects .section-lead {
  color: #94A3B8;
}

.projects__grid {
  display: grid;
  gap: 1.5rem;
  margin-top: 2.5rem;
}

@media (min-width: 640px) {
  .projects__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .projects__grid { grid-template-columns: repeat(3, 1fr); }
}

.projects .project-card {
  background: #111827;
  border: 1px solid #1F2937;
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s var(--ease);
  position: relative;
}

.projects .project-card:hover {
  transform: scale(1.02);
  border-color: #3B82F6;
  box-shadow: 0 0 24px rgba(59, 130, 246, 0.12), 0 0 48px rgba(139, 92, 246, 0.06);
}

.projects .project-card__link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.projects .project-card__preview {
  aspect-ratio: 16 / 10;
  position: relative;
  overflow: hidden;
  background: none;
}

.projects .project-card__preview::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 45%, rgba(17, 24, 39, 0.92));
  z-index: 1;
  pointer-events: none;
}

/* Decorative preview backgrounds */
.projects .project-card__preview--school {
  background-image: url('https://iad.microlink.io/VSHDB2K9psffq0rI6-FLC7bc9OIPIN0CSaIlWopbOB2oTOga4W9rRLK47k2qL0k9JV3tpMF-pPCDa91HRVUjUQ.png'), linear-gradient(135deg, #0f172a 0%, #1a2a4a 50%, #0f172a 100%);
  background-size: cover, auto;
  background-position: top center, 0 0;
}
.projects .project-card__preview--school::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
  z-index: 0;
}

.projects .project-card__preview--restaurant {
  background-image: url('https://iad.microlink.io/jtDmdqo-F5UHWPxjwGoutd__WLIKoCwF5-UPn5GwxgwcOkGOCbth3tsu68-nGJ4oxFElAeqPiwwXQ5a-yyXnkg.png'), linear-gradient(135deg, #0f172a 0%, #2a1a0a 50%, #0f172a 100%);
  background-size: cover, auto;
  background-position: top center, 0 0;
}
.projects .project-card__preview--restaurant::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
  z-index: 0;
}

.projects .project-card__preview--hospital {
  background-image: url('https://iad.microlink.io/c05nUo-yCjZSnuxYByY9gw_LlI-D3IC8Yp_bFgVjCMrdIeoHWcY5NE2jRgsxTebj-BpfWf6ol-guDwS3kKSGmA.png'), linear-gradient(135deg, #0f172a 0%, #0a2a2a 50%, #0f172a 100%);
  background-size: cover, auto;
  background-position: top center, 0 0;
}
.projects .project-card__preview--hospital::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
  z-index: 0;
}

.projects .project-card__preview--influencer {
  background-image: url('https://iad.microlink.io/r13LEQPa1l0eQD2skRvayhXFUz38eGaucp2PXDRXdQkSJpWuKs0euJ7dA63WjjUGLlG-URZDeCFruMvr6twDuA.png'), linear-gradient(135deg, #0f172a 0%, #2a0a3a 50%, #0f172a 100%);
  background-size: cover, auto;
  background-position: top center, 0 0;
}
.projects .project-card__preview--influencer::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.4);
  z-index: 0;
}

.projects .project-card__preview--coffee {
  background-image: url('https://iad.microlink.io/YXwwQ8IZP4qNqWpQ-iF6D1Q1r3EXpHaOoIGESBd5xJLGyvPxJntD17PE-kI6UVc4xdOiU4_HO46-eNyJuOJ24g.png'), linear-gradient(135deg, #0f172a 0%, #1a2a1a 50%, #0f172a 100%);
  background-size: cover, auto;
  background-position: top center, 0 0;
}
.projects .project-card__preview--coffee::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
  z-index: 0;
}

.projects .project-card__preview--business {
  background-image: url('https://iad.microlink.io/lK3G8ZTxmyGo_WTxKrOh-zi8v12LjHn9ku2a6ZTS-G8H8SzM0MfE6cqpALo9doiBy9p4t18PKKubxB36xihSeA.png'), linear-gradient(135deg, #0f172a 0%, #1a1a3a 50%, #0f172a 100%);
  background-size: cover, auto;
  background-position: top center, 0 0;
}
.projects .project-card__preview--business::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
  z-index: 0;
}

.projects .project-card__tag {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 2;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.35rem 0.65rem;
  background: rgba(59, 130, 246, 0.12);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: 6px;
  color: #93C5FD;
  backdrop-filter: blur(4px);
}

.projects .project-card__body {
  padding: 1.25rem 1.5rem 1.5rem;
}

.projects .project-card__title {
  font-size: 1.1rem;
  font-weight: 700;
  color: #E5E7EB;
  margin: 0 0 0.5rem;
}

.projects .project-card__overview {
  font-size: 0.85rem;
  color: #94A3B8;
  line-height: 1.6;
  margin: 0 0 1rem;
}

.projects .project-card__action {
  font-size: 0.85rem;
  font-weight: 600;
  color: #3B82F6;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: gap 0.3s var(--ease);
}

.projects .project-card:hover .project-card__action {
  gap: 0.75rem;
}

.project-card__arrow {
  font-size: 1rem;
  transition: transform 0.3s var(--ease);
}

/* Contact section home */
.contact-preview {
  background: var(--bg-navy);
  border-top: 1px solid var(--border);
}

.contact-preview__grid {
  display: grid;
  gap: 2.5rem;
}

@media (min-width: 900px) {
  .contact-preview__grid {
    grid-template-columns: 1fr 1.2fr;
    align-items: start;
  }
}

.form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

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

@media (min-width: 600px) {
  .form-row--2 {
    grid-template-columns: 1fr 1fr;
  }
}

.field__label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 0.35rem;
}

.field__input,
.field__select,
.field__textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: inherit;
  font-size: 0.9375rem;
  color: var(--text-primary);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  transition: border-color var(--transition-fast);
}

.field__input:focus,
.field__select:focus,
.field__textarea:focus {
  border-color: var(--accent-blue);
  outline: none;
}

.field__textarea {
  min-height: 120px;
  resize: vertical;
}

.form__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

/* Phone field with country code */
.phone-field {
  display: flex;
  gap: 0;
}

.phone-field__code {
  position: relative;
  flex-shrink: 0;
}

.phone-field__trigger {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  height: 100%;
  padding: 0.75rem 0.6rem;
  font-family: inherit;
  font-size: 0.875rem;
  color: var(--text-primary);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-right: none;
  border-radius: 10px 0 0 10px;
  cursor: pointer;
  transition: border-color var(--transition-fast);
  white-space: nowrap;
}

.phone-field__trigger:hover {
  border-color: var(--accent-blue);
}

/* Form submission popup */
.form-popup {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
}
.form-popup[hidden] {
  display: none;
}
.form-popup__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(4px);
}
.form-popup__modal {
  position: relative;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  max-width: 420px;
  width: calc(100% - 2rem);
  text-align: center;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.15);
  animation: popup-in 0.3s var(--ease);
}
@keyframes popup-in {
  from { opacity: 0; transform: scale(0.92) translateY(12px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}
.form-popup__icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 1rem;
  background: var(--gradient-btn);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.form-popup__icon svg {
  width: 28px;
  height: 28px;
  stroke: #fff;
  stroke-width: 2.5;
}
.form-popup__title {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0 0 0.5rem;
}
.form-popup__text {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  margin: 0 0 1.5rem;
  line-height: 1.6;
}
.form-popup__close {
  margin: 0 auto;
}

.phone-field__flag {
  font-weight: 600;
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
}

.phone-field__dial {
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.phone-field__arrow {
  color: var(--text-muted);
  transition: transform var(--transition-fast);
}

.phone-field__trigger[aria-expanded="true"] .phone-field__arrow {
  transform: rotate(180deg);
}

.phone-field__dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  z-index: 50;
  width: 240px;
  max-width: calc(100vw - 2rem);
  margin-top: 4px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast);
}

.phone-field__dropdown.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.phone-field__search-wrapper {
  padding: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.phone-field__search {
  width: 100%;
  padding: 0.5rem 0.75rem;
  font-family: inherit;
  font-size: 0.8125rem;
  color: var(--text-primary);
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: 8px;
  outline: none;
  box-sizing: border-box;
}

.phone-field__search:focus {
  border-color: var(--accent-blue);
}

.phone-field__list {
  list-style: none;
  margin: 0;
  padding: 0.25rem 0;
  max-height: 200px;
  overflow-y: auto;
}

.phone-field__item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.4rem 0.75rem;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.phone-field__item:hover {
  background: var(--bg-subtle);
}

.phone-field__item.is-selected {
  background: var(--accent-blue-soft);
  color: var(--accent-blue);
  font-weight: 600;
}

.phone-field__item--empty {
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.8125rem;
  cursor: default;
}

.phone-field__item-iso {
  font-weight: 600;
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
}

.phone-field__item-dial {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.phone-field__number {
  border-radius: 0 10px 10px 0 !important;
  flex: 1;
  min-width: 0;
}

/* Page hero (inner pages) */
.page-hero {
  padding-block: clamp(3rem, 8vw, 5rem) clamp(2rem, 5vw, 3rem);
  background: var(--gradient-hero);
  text-align: center;
  border-bottom: 1px solid var(--border);
}

.page-hero .section-lead {
  margin-inline: auto;
}

/* Services page */
.service-detail {
  display: grid;
  gap: 2rem;
  padding-block: 2.5rem;
  border-bottom: 1px solid var(--border);
}

@media (min-width: 768px) {
  .service-detail {
    grid-template-columns: 80px 1fr;
    gap: 2.5rem;
  }
}

.service-detail__icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: var(--gradient-btn);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.service-detail h2 {
  font-size: 1.5rem;
  margin: 0 0 0.75rem;
}

.service-detail p {
  color: var(--text-secondary);
  margin: 0 0 1rem;
}

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

.service-detail ul li {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  padding: 0.35rem 0 0.35rem 1.25rem;
  position: relative;
}

.service-detail ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 5px;
  height: 5px;
  background: var(--accent-blue);
  border-radius: 50%;
}

/* Process timeline */
.process {
  counter-reset: step;
}

.process__item {
  display: grid;
  gap: 1rem;
  padding-block: 2rem;
  border-left: 2px solid rgba(59, 130, 246, 0.15);
  margin-left: 1rem;
  padding-left: 2rem;
  position: relative;
}

.process__item::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: -1.15rem;
  top: 2rem;
  width: 2rem;
  height: 2rem;
  background: var(--gradient-btn);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 800;
}

.process__item h3 {
  margin: 0 0 0.35rem;
  font-size: 1.15rem;
}

.process__item p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

/* Philosophy blocks */
.philosophy-grid {
  display: grid;
  gap: 1.5rem;
  margin-top: 2rem;
}

@media (min-width: 768px) {
  .philosophy-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.philosophy-item {
  padding: 1.75rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.philosophy-item h3 {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
}

.philosophy-item p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

/* CTA band */
.cta-band {
  text-align: center;
  padding: clamp(3rem, 8vw, 5rem) 0;
  background: radial-gradient(ellipse at center, rgba(59, 130, 246, 0.04), transparent 70%);
  border-top: 1px solid var(--border);
}

.cta-band__title {
  font-size: clamp(1.5rem, 4vw, 2rem);
  margin: 0 0 1rem;
}

.cta-band__text {
  color: var(--text-secondary);
  max-width: 32rem;
  margin: 0 auto 1.5rem;
}

/* Footer */
.site-footer {
  background: #0b1220;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-block: 3rem 2rem;
}

.site-footer__grid {
  display: grid;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

@media (min-width: 768px) {
  .site-footer__grid {
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
  }
}

.site-footer__brand {
  font-size: 1.125rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  margin-bottom: 0.75rem;
  background: var(--gradient-btn);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.site-footer__tagline {
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.875rem;
  margin: 0;
  max-width: 16rem;
}

.site-footer__heading {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.3);
  margin: 0 0 1rem;
}

.site-footer__links {
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-footer__links a {
  display: block;
  padding: 0.3rem 0;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.5);
  transition: color var(--transition-fast);
}

.site-footer__links a:hover {
  color: rgba(255, 255, 255, 0.9);
}

.site-footer__bottom {
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.3);
}

.site-footer__social {
  display: flex;
  gap: 1rem;
}

.site-footer__social a {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.875rem;
}

.site-footer__social a:hover {
  color: rgba(255, 255, 255, 0.9);
}

/* Floating buttons */
.whatsapp-float {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 900;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--whatsapp);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 24px rgba(37, 211, 102, 0.45);
  animation: whatsapp-pulse 2.5s ease-in-out infinite;
  transition: transform var(--transition-fast);
}

.whatsapp-float:hover:not(.btn-magnetic) {
  transform: scale(1.08);
}

.whatsapp-float svg {
  width: 28px;
  height: 28px;
  fill: currentColor;
}

@keyframes whatsapp-pulse {
  0%,
  100% {
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.35);
  }
  50% {
    box-shadow: 0 4px 28px rgba(37, 211, 102, 0.55), 0 0 0 8px rgba(37, 211, 102, 0.1);
  }
}

.back-top {
  position: fixed;
  bottom: 1.5rem;
  right: 5.5rem;
  z-index: 900;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-primary);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  box-shadow: var(--shadow-md);
  transition: opacity var(--transition-fast), visibility var(--transition-fast),
    transform var(--transition-fast), box-shadow var(--transition-fast);
}

.back-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-top:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-blue);
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

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

.reveal[data-delay="1"] {
  transition-delay: 0.1s;
}
.reveal[data-delay="2"] {
  transition-delay: 0.2s;
}
.reveal[data-delay="3"] {
  transition-delay: 0.3s;
}

/* Background shapes */
.bg-shapes {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  overflow: hidden;
}

.bg-shapes__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  animation: orb-drift 20s ease-in-out infinite;
}

.bg-shapes__orb--1 {
  width: 400px;
  height: 400px;
  background: rgba(59, 130, 246, 0.05);
  top: 10%;
  right: -10%;
}

.bg-shapes__orb--2 {
  width: 300px;
  height: 300px;
  background: rgba(139, 92, 246, 0.04);
  bottom: 20%;
  left: -5%;
  animation-delay: -8s;
}

@keyframes orb-drift {
  0%,
  100% {
    transform: translate(0, 0);
  }
  50% {
    transform: translate(30px, -20px);
  }
}

/* Contact page extras */
.contact-page__options {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 2rem;
}

.contact-option {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color var(--transition-fast);
}

.contact-option:hover {
  border-color: var(--whatsapp);
}

.contact-option__icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(37, 211, 102, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--whatsapp);
  font-size: 1.25rem;
}

.contact-option strong {
  display: block;
  margin-bottom: 0.15rem;
}

.contact-option span {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.form-notice {
  padding: 1rem;
  background: rgba(34, 197, 94, 0.08);
  border: 1px solid rgba(34, 197, 94, 0.2);
  border-radius: 10px;
  color: #166534;
  margin-bottom: 1rem;
}

/* Language toggle */
.lang-toggle__btn {
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
  padding: 0.3rem 0.65rem;
  font-family: inherit;
  font-size: 0.7rem;
  font-weight: 600;
  line-height: 1;
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 999px;
  cursor: pointer;
  user-select: none;
  -webkit-user-select: none;
  transition: color var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast), box-shadow var(--transition-fast);
  flex-shrink: 0;
}
.lang-toggle__btn:hover {
  color: var(--text-primary);
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 1px var(--glow-blue);
  background: var(--bg-subtle);
}
.lang-toggle__globe {
  font-size: 0.8rem;
  line-height: 1;
  margin-right: 0.1rem;
  flex-shrink: 0;
}
.lang-toggle__opt {
  padding: 0 0.08rem;
  opacity: 0.4;
  transition: opacity var(--transition-fast);
}
.lang-toggle__opt--on {
  opacity: 1;
  color: var(--accent-blue);
}
.lang-toggle__sep {
  opacity: 0.2;
  font-size: 0.55rem;
  padding: 0 0.08rem;
}