/* -------------------------------------------------
   inoiTECH NL — Luxury Engineering Landing Page
   Calm, architectural, and premium styling.
-------------------------------------------------- */
:root {
  --bg-main: #f6f8fb;
  --bg-glass: rgba(255, 255, 255, 0.65);
  --navy-primary: #0b1b2b;
  --blue-accent: #2d7cff;
  --blue-glow: rgba(45, 124, 255, 0.35);
  --text-main: #0e1720;
  --text-muted: #5b6b7a;
  --border-soft: rgba(11, 27, 43, 0.12);
  --shadow-soft: 0 10px 30px rgba(11, 27, 43, 0.08);
  --shadow-hover: 0 18px 45px rgba(11, 27, 43, 0.14);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --max-width: 1200px;
  --ease-smooth: cubic-bezier(0.2, 0.8, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  color: var(--text-main);
  background: var(--bg-main);
  line-height: 1.6;
}

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

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

button,
input,
textarea {
  font-family: inherit;
}

.container {
  width: min(100% - 48px, var(--max-width));
  margin: 0 auto;
}

.section {
  padding: 96px 0;
  position: relative;
}

.section.alt {
  background: linear-gradient(180deg, #f0f3f8 0%, #ffffff 100%);
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.32em;
  font-size: 12px;
  color: var(--blue-accent);
  font-weight: 600;
}

h1,
h2,
h3,
h4 {
  font-family: "Manrope", "Inter", sans-serif;
  color: var(--navy-primary);
  margin: 12px 0;
}

h1 {
  font-size: clamp(2.8rem, 5vw, 3.6rem);
  line-height: 1.1;
}

h2 {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  line-height: 1.15;
}

h3 {
  font-size: 1.25rem;
}

.lead {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 680px;
}

.grid {
  display: grid;
  gap: 24px;
}

.split {
  display: grid;
  gap: 48px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  align-items: center;
}

/* Ambient backgrounds */
.ambient-gradient {
  position: fixed;
  inset: 0;
  background: radial-gradient(circle at 20% 20%, rgba(45, 124, 255, 0.14), transparent 45%),
    radial-gradient(circle at 85% 10%, rgba(45, 124, 255, 0.08), transparent 40%);
  pointer-events: none;
  z-index: -2;
}

.ambient-lines {
  position: fixed;
  inset: 0;
  background-image: linear-gradient(
      to right,
      rgba(11, 27, 43, 0.04) 1px,
      transparent 1px
    ),
    linear-gradient(to bottom, rgba(11, 27, 43, 0.04) 1px, transparent 1px);
  background-size: 120px 120px;
  opacity: 0.4;
  pointer-events: none;
  z-index: -1;
}

/* Navbar */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(246, 248, 251, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-soft);
  transition: box-shadow 240ms var(--ease-smooth), background 240ms var(--ease-smooth);
}

.site-header.scrolled {
  background: rgba(246, 248, 251, 0.97);
  box-shadow: var(--shadow-soft);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 74px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.1rem;
}

.logo-word {
  display: inline-flex;
  gap: 0;
  letter-spacing: 0;
}

.logo-text {
  color: var(--navy-primary);
}

.logo-accent {
  color: var(--blue-accent);
}

.logo-dot {
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
  object-fit: contain;
  filter: drop-shadow(0 0 12px var(--blue-glow));
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-links a {
  position: relative;
  font-size: 15px;
  color: var(--text-main);
  padding: 8px 12px;
  border-radius: 999px;
  transition: color 240ms var(--ease-smooth), background 240ms var(--ease-smooth);
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 4px;
  height: 2px;
  background: var(--blue-accent);
  opacity: 0;
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 240ms var(--ease-smooth), opacity 240ms var(--ease-smooth);
}

.nav-links a:hover::after,
.nav-links a:focus-visible::after,
.nav-links a.active::after {
  opacity: 1;
  transform: scaleX(0.7);
}

.nav-cta {
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  background: var(--blue-accent);
  color: #ffffff;
  box-shadow: var(--shadow-soft);
  font-weight: 600;
  transition: transform 240ms var(--ease-smooth), box-shadow 240ms var(--ease-smooth);
}

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-hover);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  padding: 6px;
}

.nav-toggle-line {
  width: 22px;
  height: 2px;
  background: var(--navy-primary);
  display: block;
  margin: 5px 0;
}

/* Hero */
.hero {
  position: relative;
  min-height: 88vh;
  display: grid;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: -10% 0 0 0;
  background: linear-gradient(120deg, rgba(11, 27, 43, 0.7), rgba(45, 124, 255, 0.45)),
    url("https://upload.wikimedia.org/wikipedia/commons/2/29/Skyline-rotterdam-_erasmusbrug-wilhelminapier_%2827922388397%29.jpg")
      center/cover no-repeat;
  transform: translateY(0);
  transition: transform 800ms var(--ease-smooth);
  will-change: transform;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 20%, rgba(45, 124, 255, 0.35), transparent 55%);
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 140px 0 100px;
  color: #ffffff;
}

.hero-content h1,
.hero-content p {
  color: #ffffff;
}

.hero-content .lead {
  color: rgba(255, 255, 255, 0.82);
}

.cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 24px;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.45);
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(10px);
}

.lang-switch-button {
  border: 0;
  background: transparent;
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 6px 10px;
  border-radius: 999px;
  cursor: pointer;
  transition: background 200ms var(--ease-smooth), color 200ms var(--ease-smooth);
}

.lang-switch-button.active {
  background: #ffffff;
  color: var(--navy-primary);
  box-shadow: var(--shadow-soft);
}

.lang-switch-button:focus-visible {
  outline: 2px solid rgba(255, 255, 255, 0.8);
  outline-offset: 2px;
}

.btn {
  padding: 12px 26px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  transition: transform 240ms var(--ease-smooth), box-shadow 240ms var(--ease-smooth);
}

.btn.primary {
  background: #ffffff;
  color: var(--navy-primary);
  box-shadow: var(--shadow-soft);
}

.btn.secondary {
  background: transparent;
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.6);
}

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

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 20px;
  margin-top: 40px;
}

.metric {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  backdrop-filter: blur(8px);
}

.metric-number {
  font-size: 1.4rem;
  font-weight: 600;
}

.metric-label {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.75);
}

/* Cards */
.card {
  background: #ffffff;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-soft);
  transition: transform 240ms var(--ease-smooth), box-shadow 240ms var(--ease-smooth),
    border-color 240ms var(--ease-smooth);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(45, 124, 255, 0.35);
}

.icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: rgba(45, 124, 255, 0.08);
  color: var(--blue-accent);
  font-weight: 600;
}

.services-grid {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.bullet-list {
  list-style: none;
  padding: 0;
  margin: 24px 0 0;
}

.bullet-list li {
  padding: 10px 0;
  border-bottom: 1px solid rgba(11, 27, 43, 0.08);
}

.bullet-list li:last-child {
  border-bottom: none;
}

.image-panel {
  display: grid;
  place-items: center;
}

.image-frame {
  background: var(--bg-glass);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.5);
  box-shadow: var(--shadow-soft);
  padding: 14px;
}

.image-frame img {
  border-radius: calc(var(--radius-lg) - 8px);
}

/* Projects */
.projects-grid {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.project-card {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-soft);
  background: #ffffff;
  box-shadow: var(--shadow-soft);
  transition: transform 240ms var(--ease-smooth), box-shadow 240ms var(--ease-smooth);
}

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

.project-image img {
  height: 200px;
  width: 100%;
  object-fit: cover;
  transition: transform 600ms var(--ease-smooth);
}

.project-card:hover img {
  transform: scale(1.03);
}

.project-body {
  padding: 18px 20px 22px;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.tag-row span {
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(45, 124, 255, 0.08);
  border: 1px solid rgba(45, 124, 255, 0.2);
  font-size: 0.82rem;
  color: var(--navy-primary);
}

/* Timeline */
.timeline {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  position: relative;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 22px;
  left: 0;
  right: 0;
  height: 1px;
  background: rgba(11, 27, 43, 0.1);
}

.timeline-step {
  position: relative;
  background: #ffffff;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-soft);
  padding: 22px;
  box-shadow: var(--shadow-soft);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(45, 124, 255, 0.12);
  color: var(--blue-accent);
  font-weight: 600;
  margin-bottom: 12px;
}

/* Proof */
.proof-grid {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

/* Contact */
.contact-details {
  display: grid;
  gap: 8px;
  margin-top: 18px;
  color: var(--text-muted);
}

.contact-form {
  background: #ffffff;
  padding: 28px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-soft);
  box-shadow: var(--shadow-soft);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 16px;
}

label {
  display: grid;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

input,
textarea {
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-soft);
  padding: 10px 12px;
  font-size: 0.95rem;
}

input:focus,
textarea:focus {
  outline: 2px solid rgba(45, 124, 255, 0.35);
  border-color: rgba(45, 124, 255, 0.5);
}

.checkbox {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 12px 0;
}

.form-note {
  margin-top: 12px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Footer */
.site-footer {
  background: #0b1b2b;
  color: rgba(255, 255, 255, 0.7);
  padding: 60px 0 20px;
}

.footer-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.site-footer h3,
.site-footer h4 {
  color: #ffffff;
}

.site-footer a {
  color: rgba(255, 255, 255, 0.7);
  margin: 8px 0;
  display: block;
}

.footer-bottom {
  margin-top: 30px;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
}

/* Reveal animations */
[data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 700ms var(--ease-smooth), transform 700ms var(--ease-smooth);
}

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

/* Responsive */
@media (max-width: 900px) {
  .nav-links {
    position: absolute;
    top: 72px;
    right: 24px;
    background: rgba(246, 248, 251, 0.98);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-md);
    padding: 18px;
    box-shadow: var(--shadow-soft);
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    display: none;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-toggle {
    display: block;
  }

  .nav-menu {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav-cta {
    width: 100%;
    text-align: center;
  }
}

@media (max-width: 700px) {
  .section {
    padding: 72px 0;
  }

  .hero-content {
    padding-top: 120px;
  }

  .cta-group {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .timeline::before {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  html {
    scroll-behavior: auto;
  }
}