*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg: #0a0e17;
  --surface: rgba(255, 255, 255, 0.04);
  --border: rgba(255, 255, 255, 0.08);
  --text: #e8eaed;
  --text-secondary: #9aa0a9;
  --accent: #7faadc;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* Background illustration */
.bg-illustration {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

.bg-illustration img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center bottom;
}

/* Content layer */
.content {
  position: relative;
  z-index: 1;
  max-width: 960px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Header */
header {
  padding: 2.5rem 0;
}

.logo-mark {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  color: var(--accent);
  text-transform: uppercase;
}

/* Hero */
.hero {
  padding: 6rem 0 5rem;
}

.tagline {
  font-size: .9rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-size: clamp(2.4rem, 6vw, 4rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text);
}

/* Pillars */
.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  padding: 1rem 0 3rem;
}

.pillar {
  padding: 2rem 1.5rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  transition: border-color 0.3s;
}

.pillar:hover {
  border-color: rgba(255, 255, 255, 0.15);
}

.pillar-icon {
  width: 72px;
  height: 72px;
  margin-bottom: 0.25rem;
  filter: invert(67%) sepia(17%) saturate(800%) hue-rotate(181deg) brightness(95%) contrast(88%);
}

.pillar h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  letter-spacing: 0.01em;
}

.pillar p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* About */
.about {
  padding: 1rem 0;
  max-width: 680px;
}

.about h2 {
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
}

.about p {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-secondary);
}

/* Contact */
.contact {
  padding: 3rem 0 6rem;
}

.contact-toggle {
  font-size: 0.9rem;
  font-family: inherit;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: none;
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 6px;
  padding: 0.75rem 1.5rem;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.contact-toggle:hover {
  background: var(--accent);
  color: var(--bg);
}

.contact-toggle.hidden {
  display: none;
}

.contact-form {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.4s ease, opacity 0.3s ease;
}

.contact-form.open {
  max-height: 500px;
  opacity: 1;
}

.form-fields {
  display: flex;
  flex-direction: column;
  gap: 0.95rem;
  max-width: 520px;
  margin-bottom: 1rem;
}

.form-fields input,
.form-fields textarea {
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
  font-family: inherit;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  outline: none;
  transition: border-color 0.2s;
  resize: vertical;
}

.form-fields input::placeholder,
.form-fields textarea::placeholder {
  color: var(--text-secondary);
  opacity: 0.6;
}

.form-fields input:focus,
.form-fields textarea:focus {
  border-color: var(--accent);
}

.contact-form button {
  padding: 0.75rem 1.5rem;
  font-size: 0.9rem;
  font-family: inherit;
  font-weight: 500;
  background: var(--accent);
  color: var(--bg);
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: opacity 0.2s;
}

.contact-form button:hover {
  opacity: 0.85;
}

.form-status {
  margin-top: 0.75rem;
  font-size: 0.875rem;
  color: var(--accent);
  opacity: 0;
  transition: opacity 0.3s;
}

.form-status.visible {
  opacity: 1;
}

/* Footer */
footer {
  padding: 2rem 0;
  border-top: 1px solid var(--border);
}

footer p {
  font-size: 0.75rem;
  color: var(--text-secondary);
  opacity: 0.6;
}

/* Responsive */
@media (max-width: 720px) {
  .pillars {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .hero {
    padding: 4rem 0 3rem;
  }

  .content {
    padding: 0 1.25rem;
  }
}