:root {
  --bg-primary: #0b1026;
  --bg-secondary: #111a3a;
  --accent-primary: #1de9b6;
  --accent-secondary: #00e5ff;
  --accent-glow: #ffb300;
  --text-primary: #e6f1ff;
  --text-secondary: #9fb3c8;
  --card-bg: rgba(17, 26, 58, 0.72);
  --card-border: rgba(29, 233, 182, 0.28);
  --radius-lg: 1.2rem;
  --radius-md: 0.9rem;
  --nav-height: 4.6rem;
  --shadow-soft: 0 0 0 1px rgba(0, 229, 255, 0.16), 0 12px 32px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

section[id] {
  scroll-margin-top: calc(var(--nav-height) + 0.75rem);
}

.hero {
  scroll-margin-top: 0;
}

body {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  color: var(--text-primary);
  background: radial-gradient(circle at 15% -5%, rgba(29, 233, 182, 0.12), transparent 40%),
    radial-gradient(circle at 85% 5%, rgba(0, 229, 255, 0.1), transparent 35%), var(--bg-primary);
  line-height: 1.6;
}

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

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

.container {
  width: min(1120px, 92%);
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(10px);
  background: rgba(11, 16, 38, 0.84);
  border-bottom: 1px solid rgba(0, 229, 255, 0.16);
}

.navbar {
  min-height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  font-family: "Rajdhani", sans-serif;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  letter-spacing: 0.04em;
  font-size: 1.5rem;
  font-weight: 700;
}

.logo-icon {
  width: 2rem;
  height: 2rem;
  object-fit: contain;
  filter: drop-shadow(0 0 10px rgba(0, 229, 255, 0.45));
}

.menu-toggle {
  width: 2.8rem;
  height: 2.8rem;
  border: 1px solid rgba(0, 229, 255, 0.35);
  border-radius: 0.6rem;
  background: rgba(17, 26, 58, 0.6);
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.3rem;
  padding: 0.55rem;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: var(--text-primary);
}

.nav-links {
  position: absolute;
  top: calc(var(--nav-height) + 0.4rem);
  left: 4%;
  right: 4%;
  list-style: none;
  margin: 0;
  padding: 0.8rem;
  border: 1px solid rgba(0, 229, 255, 0.25);
  border-radius: var(--radius-md);
  background: rgba(17, 26, 58, 0.98);
  display: grid;
  gap: 0.25rem;
  transform-origin: top;
  transform: scaleY(0);
  opacity: 0;
  pointer-events: none;
  transition: transform 180ms ease, opacity 180ms ease;
}

.nav-links.open {
  transform: scaleY(1);
  opacity: 1;
  pointer-events: auto;
}

.nav-links a {
  display: block;
  padding: 0.65rem 0.75rem;
  border-radius: 0.55rem;
  color: var(--text-secondary);
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--text-primary);
  background: rgba(29, 233, 182, 0.1);
  outline: none;
}

.hero {
  position: relative;
  min-height: calc(100vh - var(--nav-height));
  display: grid;
  align-items: center;
  overflow: clip;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(11, 16, 38, 0.93), rgba(17, 26, 58, 0.8));
}

.hero-pattern {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 20% 25%, rgba(255, 179, 0, 0.08) 0 2px, transparent 2px),
    radial-gradient(circle at 70% 45%, rgba(29, 233, 182, 0.08) 0 2px, transparent 2px),
    linear-gradient(115deg, transparent 15%, rgba(0, 229, 255, 0.08), transparent 60%);
  background-size: 42px 42px, 54px 54px, cover;
}

.hero-content {
  position: relative;
  padding-block: 5rem 4.2rem;
  animation: rise 700ms ease-out both;
}

.hero-layout {
  display: grid;
  gap: 1.1rem;
}

.hero-copy {
  display: grid;
  align-content: center;
}

.hero-logo-panel {
  border-radius: var(--radius-lg);
  background: #ffffff;
  border: 1px solid rgba(0, 229, 255, 0.2);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.28), 0 0 0 1px rgba(255, 179, 0, 0.2);
  display: grid;
  place-items: center;
  padding: 1.15rem;
}

.hero-watermark {
  width: min(88%, 340px);
  opacity: 1;
  margin: 0;
  filter: drop-shadow(0 0 10px rgba(0, 229, 255, 0.18));
}

.kicker {
  display: inline-block;
  margin: 0;
  padding: 0.28rem 0.8rem;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-primary);
  border: 1px solid rgba(29, 233, 182, 0.35);
  border-radius: 999px;
  background: rgba(29, 233, 182, 0.08);
}

.hero h1 {
  margin: 1rem 0 0.8rem;
  max-width: 17ch;
  font-family: "Rajdhani", sans-serif;
  font-size: clamp(2rem, 8.2vw, 4rem);
  line-height: 1.08;
  letter-spacing: 0.01em;
}

.hero-subtitle {
  margin: 0;
  max-width: 52ch;
  color: var(--text-secondary);
  font-size: clamp(1rem, 2.8vw, 1.25rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 1.7rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.75rem 1.2rem;
  border-radius: 0.8rem;
  border: 1px solid transparent;
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: transform 160ms ease, box-shadow 200ms ease, background-color 200ms ease;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-2px);
  outline: none;
}

.btn-primary {
  color: #071020;
  background: linear-gradient(130deg, var(--accent-primary), var(--accent-secondary));
  box-shadow: 0 10px 24px rgba(0, 229, 255, 0.24);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  box-shadow: 0 12px 28px rgba(0, 229, 255, 0.35), 0 0 0 1px rgba(255, 179, 0, 0.4);
}

.btn-outline {
  color: var(--text-primary);
  border-color: rgba(0, 229, 255, 0.38);
  background: rgba(17, 26, 58, 0.58);
}

.section {
  padding-block: 4rem;
}

.section-alt {
  background: linear-gradient(180deg, rgba(17, 26, 58, 0.8), rgba(17, 26, 58, 0.42));
}

h2 {
  margin: 0;
  font-family: "Rajdhani", sans-serif;
  font-size: clamp(1.65rem, 5.2vw, 2.5rem);
}

.section-lead {
  margin-top: 0.8rem;
  color: var(--text-secondary);
  max-width: 68ch;
}

.grid {
  margin-top: 1.5rem;
  display: grid;
  gap: 1rem;
}

.card {
  border-radius: var(--radius-lg);
  border: 1px solid var(--card-border);
  background: linear-gradient(180deg, rgba(17, 26, 58, 0.88), rgba(11, 16, 38, 0.88));
  padding: 1.2rem;
  box-shadow: var(--shadow-soft);
}

.service-card,
.project-card {
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.service-card:hover,
.project-card:hover {
  transform: translateY(-5px);
  border-color: rgba(255, 179, 0, 0.6);
  box-shadow: 0 0 0 1px rgba(255, 179, 0, 0.35), 0 18px 32px rgba(0, 0, 0, 0.38), 0 0 26px rgba(255, 179, 0, 0.12);
}

.icon {
  width: 2.7rem;
  height: 2.7rem;
  border-radius: 0.72rem;
  display: grid;
  place-items: center;
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  background: linear-gradient(160deg, rgba(29, 233, 182, 0.16), rgba(0, 229, 255, 0.2));
  border: 1px solid rgba(0, 229, 255, 0.38);
  color: var(--accent-secondary);
}

.card h3 {
  margin: 0.95rem 0 0.45rem;
  font-size: 1.16rem;
}

.card p {
  margin: 0;
  color: var(--text-secondary);
}

.about-grid {
  display: grid;
  gap: 1.2rem;
  align-items: center;
}

.about-grid p {
  margin: 0.6rem 0 0;
  color: var(--text-secondary);
}

.about-badge {
  border: 1px solid rgba(0, 229, 255, 0.36);
  border-radius: var(--radius-lg);
  padding: 1rem;
  display: grid;
  gap: 0.5rem;
  justify-items: center;
  background: radial-gradient(circle at 50% 35%, rgba(0, 229, 255, 0.13), rgba(11, 16, 38, 0.86));
  box-shadow: inset 0 0 28px rgba(0, 229, 255, 0.08), 0 0 24px rgba(29, 233, 182, 0.1);
}

.about-badge span {
  font-family: "Rajdhani", sans-serif;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent-glow);
}

.about-badge small {
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.cards-3,
.cards-4 {
  grid-template-columns: 1fr;
}

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

.projects-section {
  font-family: 'Franklin Gothic Medium', 'Arial Narrow', Arial, sans-serif;
}

.rg-project-card {
  border-color: rgba(139, 90, 43, 0.45);
  background: linear-gradient(170deg, #fffaf2, #f5f8f0);
  box-shadow: 0 0 0 1px rgba(139, 90, 43, 0.18), 0 14px 28px rgba(0, 0, 0, 0.12);
}

.rg-project-card h3 {
  color: #8b5a2b;
}

.rg-project-card p {
  color: #355235;
}

.rg-project-card:hover {
  border-color: rgba(255, 120, 62, 0.75);
  box-shadow: 0 0 0 1px rgba(255, 120, 62, 0.34), 0 16px 30px rgba(0, 0, 0, 0.16),
    0 0 20px rgba(0, 100, 0, 0.14);
}

.rg-project-brand {
  width: 100%;
  border-radius: 0.9rem;
  padding: 0.9rem;
  background: linear-gradient(155deg, rgba(255, 255, 255, 0.98), rgba(245, 245, 245, 0.95));
  border: 1px solid rgba(139, 90, 43, 0.45);
  margin-bottom: 0.95rem;
}

.rg-project-brand img {
  width: min(100%, 460px);
  margin-inline: auto;
  max-height: 104px;
  object-fit: contain;
  background: #ffffff;
}

.rg-project-colors {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.rg-project-colors span {
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  padding: 0.32rem 0.7rem;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--chip-color), #ffffff 28%);
  color: #f3f7ff;
  background: linear-gradient(
    160deg,
    color-mix(in srgb, var(--chip-color), #000000 8%),
    color-mix(in srgb, var(--chip-color), #000000 22%)
  );
  font-size: 0.86rem;
  font-weight: 600;
}

.tech-stack {
  margin-top: 1.3rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.tech-stack span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.2rem;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  border: 1px solid rgba(0, 229, 255, 0.34);
  color: var(--text-primary);
  background: linear-gradient(140deg, rgba(17, 26, 58, 0.9), rgba(11, 16, 38, 0.9));
  box-shadow: inset 0 0 18px rgba(29, 233, 182, 0.07), 0 0 0 1px rgba(0, 229, 255, 0.08);
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.tech-stack span:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 179, 0, 0.75);
  box-shadow: 0 0 0 1px rgba(255, 179, 0, 0.28), 0 0 18px rgba(255, 179, 0, 0.16);
}

.contact-form {
  margin-top: 1.4rem;
  max-width: 680px;
  display: grid;
  gap: 0.6rem;
}

.contact-form label {
  font-size: 0.92rem;
  color: var(--text-secondary);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid rgba(0, 229, 255, 0.34);
  border-radius: 0.75rem;
  background: rgba(11, 16, 38, 0.74);
  color: var(--text-primary);
  padding: 0.78rem 0.9rem;
  font: inherit;
  transition: box-shadow 160ms ease, border-color 160ms ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: rgba(255, 179, 0, 0.9);
  box-shadow: 0 0 0 2px rgba(255, 179, 0, 0.26);
}

.footer {
  border-top: 1px solid rgba(0, 229, 255, 0.24);
  background: rgba(7, 11, 28, 0.95);
}

.footer-content {
  min-height: 4.8rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.2rem;
  text-align: center;
  color: var(--text-secondary);
}

.footer-content p {
  margin: 0;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}

.footer-brand img {
  width: auto;
  height: 1.45rem;
  opacity: 0.92;
}

.whatsapp-float {
  position: fixed;
  right: 1.1rem;
  bottom: 1.1rem;
  width: 3.15rem;
  height: 3.15rem;
  border-radius: 999px;
  display: grid;
  place-items: center;
  font-size: 1.35rem;
  background: linear-gradient(160deg, var(--accent-primary), var(--accent-secondary));
  color: #071020;
  box-shadow: 0 10px 28px rgba(0, 229, 255, 0.4), 0 0 0 2px rgba(255, 179, 0, 0.35);
  z-index: 35;
  transition: transform 170ms ease, box-shadow 200ms ease;
}

.whatsapp-float:hover,
.whatsapp-float:focus-visible {
  transform: translateY(-3px) scale(1.04);
  box-shadow: 0 14px 32px rgba(0, 229, 255, 0.5), 0 0 24px rgba(255, 179, 0, 0.26);
  outline: none;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (min-width: 700px) {
  .hero-layout {
    grid-template-columns: minmax(0, 1.25fr) minmax(240px, 0.75fr);
    align-items: stretch;
  }

  .hero-logo-panel {
    min-height: 100%;
  }

  .cards-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .cards-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .about-grid {
    grid-template-columns: 1.7fr 1fr;
  }

  .footer-content {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    text-align: left;
  }

  .whatsapp-float {
    right: 1.4rem;
    bottom: 1.4rem;
  }
}

@media (min-width: 980px) {
  .menu-toggle {
    display: none;
  }

  .nav-links {
    position: static;
    display: flex;
    align-items: center;
    gap: 0.3rem;
    border: 0;
    background: transparent;
    transform: none;
    opacity: 1;
    pointer-events: auto;
    padding: 0;
  }

  .nav-links a {
    padding: 0.45rem 0.75rem;
  }

  .cards-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .cards-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .projects-grid {
    grid-template-columns: minmax(0, 780px);
    justify-content: center;
  }
}

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