:root {
  --bg: #0a0a0f;
  --bg-subtle: #12121a;
  --bg-card: #16161f;
  --bg-card-hover: #1c1c28;
  --border: #1e1e2e;
  --border-hover: #2a2a3e;
  --text: #e8e8ed;
  --text-muted: #8888a0;
  --text-dim: #555568;
  --accent: #6c5ce7;
  --accent-light: #a29bfe;
  --accent-glow: rgba(108, 92, 231, 0.3);
  --gradient: linear-gradient(135deg, #6c5ce7, #a29bfe, #74b9ff);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

.grain {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Hero ── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px 24px 40px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.3;
  mask-image: radial-gradient(ellipse at 50% 40%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 40%, black 20%, transparent 70%);
}

.glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.15;
}

.glow-1 {
  width: 600px;
  height: 600px;
  background: var(--accent);
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  animation: float 8s ease-in-out infinite;
}

.glow-2 {
  width: 400px;
  height: 400px;
  background: #74b9ff;
  bottom: 0;
  right: 20%;
  animation: float 10s ease-in-out infinite reverse;
}

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

.hero-center {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  max-width: 780px;
  transform: translateY(-18px);
}

.hero-logo-wrapper {
  position: relative;
  margin-bottom: 40px;
}

.hero-logo-main {
  width: clamp(360px, 55vw, 640px);
  height: auto;
  opacity: 0.12;
  animation: logoPulse 6s ease-in-out infinite;
  position: relative;
  z-index: 1;
}

@keyframes logoPulse {
  0%, 100% { transform: scale(1); opacity: 0.12; }
  50% { transform: scale(1.04); opacity: 0.22; }
}

.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-tagline {
  font-size: clamp(1.15rem, 2vw, 1.42rem);
  line-height: 1.7;
  color: var(--text-muted);
  font-weight: 300;
  margin-top: -8px;
  margin-bottom: 32px;
  max-width: 600px;
}

/* ── CTA Link ── */
.cta-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-muted);
  font-size: 16px;
  font-weight: 400;
  letter-spacing: 0.04em;
  padding: 8px 0;
  position: relative;
  transition: all var(--transition);
}

.cta-link::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--gradient);
  transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.cta-link:hover::after {
  width: 100%;
}

.cta-link:hover {
  color: var(--text);
}

.cta-link:hover .cta-arrow {
  transform: translateX(6px);
  opacity: 1;
}

.cta-text {
  font-family: var(--font);
}

.cta-arrow {
  width: 20px;
  height: 20px;
  opacity: 0.4;
  transition: all var(--transition);
}

/* ── Submit Link (form) ── */
.submit-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 16px;
  font-weight: 400;
  letter-spacing: 0.04em;
  padding: 16px 0;
  cursor: pointer;
  position: relative;
  transition: all var(--transition);
  font-family: var(--font);
  width: 100%;
}

.submit-link::after {
  content: '';
  position: absolute;
  bottom: 8px;
  left: 50%;
  width: 0;
  height: 1px;
  background: var(--gradient);
  transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  transform: translateX(-50%);
}

.submit-link:hover::after {
  width: 60%;
}

.submit-link:hover {
  color: var(--text);
}

.submit-link:hover .cta-arrow {
  transform: translateX(6px);
  opacity: 1;
}

.submit-link .btn-text {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.submit-link .btn-loading {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
}

/* ── Sections ── */
.section {
  padding: 120px 0;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--accent-light);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}

.section h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

/* ── Projects ── */
.projects-title.projects-title {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.25em;
  margin-bottom: 40px;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

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

.project-card-inner {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  height: 100%;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.project-card-inner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient);
  opacity: 0;
  transition: opacity var(--transition);
}

.project-card:hover .project-card-inner {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-4px);
}

.project-card:hover .project-card-inner::before {
  opacity: 1;
}

.project-icon {
  width: 44px;
  height: 44px;
  background: rgba(108, 92, 231, 0.1);
  border: 1px solid rgba(108, 92, 231, 0.2);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--accent-light);
}

.project-icon svg {
  width: 22px;
  height: 22px;
}

.project-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.project-card p {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 20px;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--accent-light);
  font-family: var(--font-mono);
}

/* ── Contact ── */
.section-contact {
  border-top: 1px solid var(--border);
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.contact-info {
  padding-top: 16px;
}

.contact-headline {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 600;
  color: var(--text);
  line-height: 1.4;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.contact-sub {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  color: var(--text-muted);
  line-height: 1.6;
  font-weight: 300;
}

.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--text);
}

.required {
  color: var(--accent-light);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font);
  font-size: 15px;
  transition: all var(--transition);
  outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-dim);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-status {
  margin-top: 16px;
  font-size: 14px;
  text-align: center;
  min-height: 20px;
}

.form-status.success {
  color: #00b894;
}

.form-status.error {
  color: #ff6b6b;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.spinner {
  animation: spin 1s linear infinite;
}

/* ── Footer ── */
.footer {
  padding: 40px 0;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-logo .logo-img {
  height: 32px;
  opacity: 0.5;
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 13px;
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--text-muted);
}

.footer-copy {
  color: var(--text-dim);
  font-size: 13px;
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .hero {
    min-height: auto;
    padding-top: 80px;
    padding-bottom: 60px;
  }

  .hero-center {
    transform: translateY(-12px);
  }

  .hero-logo-main {
    width: 280px;
  }

  .hero-logo-wrapper {
    margin-bottom: 32px;
  }

  .contact-wrapper {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 600px) {
  .section {
    padding: 80px 0;
  }

  .hero-logo-main {
    width: 240px;
  }

  .hero-center {
    transform: translateY(-8px);
  }

  .contact-form {
    padding: 24px;
  }

  .hero-center {
    padding: 0 8px;
  }
}