/* ═══════════════════════════════════════════════════════════
   Consulting Site Template — Stylesheet
   All colors & spacing use CSS custom properties set by JS
   from site.config.js so the theme is fully configurable.
   ═══════════════════════════════════════════════════════════ */

/* ── Reset & base ───────────────────────────────────────── */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --color-bg: #fafafa;
  --color-surface: #ffffff;
  --color-text: #1a1a1a;
  --color-text-muted: #6b7280;
  --color-primary: #2563eb;
  --color-primary-hover: #1d4ed8;
  --color-primary-light: #dbeafe;
  --color-border: #e5e7eb;
  --color-gradient-start: #1e3a5f;
  --color-gradient-end: #2563eb;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  --font-mono: "JetBrains Mono", "Fira Code", monospace;
  --radius: 12px;
  --max-width: 1120px;
}

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

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  font-size: 16px;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
}
a:hover {
  color: var(--color-primary-hover);
}

/* ── Utility ────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 96px 0;
}

.section-label {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.section-headline {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.025em;
  color: var(--color-text);
}

.section-sub {
  margin-top: 12px;
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 600px;
}

/* ── Animations ─────────────────────────────────────────── */
@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate {
  opacity: 0;
  animation: fade-up 0.6s ease forwards;
}

.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }
.animate-delay-4 { animation-delay: 0.4s; }

/* ── Header / Nav ───────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 250, 250, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.site-logo {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.site-logo img {
  height: 32px;
}

.site-nav {
  display: flex;
  gap: 32px;
  list-style: none;
}

.site-nav a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color 0.2s;
}

.site-nav a:hover {
  color: var(--color-text);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--color-text);
}

.nav-toggle svg {
  width: 24px;
  height: 24px;
}

/* ── Hero ────────────────────────────────────────────────── */
.hero {
  padding: 120px 0 96px;
  background: linear-gradient(
    135deg,
    var(--color-gradient-start) 0%,
    var(--color-gradient-end) 100%
  );
  color: #fff;
}

.hero-layout {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 64px;
  align-items: center;
}

.hero-text {
  max-width: 620px;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.hero p {
  margin-top: 20px;
  font-size: 1.15rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.85);
  max-width: 600px;
}

.hero-actions {
  margin-top: 36px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* Hero headshot */
.hero-photo-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

.hero-photo {
  width: 240px;
  height: 240px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid rgba(255, 255, 255, 0.25);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

.hero-photo-placeholder {
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  border: 4px solid rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.4);
}

.hero-photo-placeholder svg {
  width: 80px;
  height: 80px;
}

.hero-photo-caption {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.hero-photo-name {
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
}

.hero-photo-role {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.65);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 9999px;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
}

.btn-primary {
  background: #fff;
  color: var(--color-gradient-start);
}

.btn-primary:hover {
  background: var(--color-primary-light);
  color: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

.btn-outline {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255, 255, 255, 0.4);
}

.btn-outline:hover {
  border-color: #fff;
  color: #fff;
  transform: translateY(-1px);
}

.btn-contact {
  background: var(--color-primary);
  color: #fff;
}

.btn-contact:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(37, 99, 235, 0.3);
}

/* ── Services ───────────────────────────────────────────── */
.services-grid {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

.service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px;
  transition: all 0.25s ease;
}

.service-card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
  transform: translateY(-2px);
}

.service-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

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

.service-card h3 {
  font-size: 1.1rem;
  font-weight: 650;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.service-card p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ── Products (catalog / storefront) ───────────────────── */
.products-grid {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.product-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  text-decoration: none;
  color: var(--color-text);
  display: flex;
  flex-direction: column;
  transition: all 0.25s ease;
}

.product-card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
  transform: translateY(-3px);
  color: var(--color-text);
}

.product-image {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: var(--color-border);
}

.product-image-placeholder {
  width: 100%;
  aspect-ratio: 4 / 3;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-border));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  opacity: 0.6;
}

.product-image-placeholder svg {
  width: 48px;
  height: 48px;
}

.product-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.product-body h3 {
  font-size: 1.05rem;
  font-weight: 650;
  letter-spacing: -0.01em;
  margin-bottom: 6px;
}

.product-desc {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  flex: 1;
}

.product-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
}

.product-price {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text);
}

.product-buy {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
  transition: gap 0.2s ease;
}

.product-card:hover .product-buy {
  gap: 10px;
}

.product-buy svg {
  width: 16px;
  height: 16px;
}

/* ── Clients ────────────────────────────────────────────── */
.clients-list {
  margin-top: 48px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.client-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 9999px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text);
  transition: all 0.2s ease;
}

.client-pill:hover {
  border-color: var(--color-primary);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.client-pill img {
  height: 24px;
  width: 24px;
  object-fit: contain;
}

/* ── About ──────────────────────────────────────────────── */
.about-grid {
  margin-top: 48px;
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 48px;
  align-items: start;
}

.about-photo {
  width: 200px;
  height: 200px;
  border-radius: var(--radius);
  object-fit: cover;
  background: var(--color-border);
}

.about-photo-placeholder {
  width: 200px;
  height: 200px;
  border-radius: var(--radius);
  background: linear-gradient(
    135deg,
    var(--color-primary-light),
    var(--color-border)
  );
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}

.about-photo-placeholder svg {
  width: 64px;
  height: 64px;
  opacity: 0.5;
}

.about-info h3 {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.about-info .role {
  font-size: 0.95rem;
  color: var(--color-primary);
  font-weight: 500;
  margin-top: 2px;
}

.about-info p {
  margin-top: 16px;
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ── Contact ────────────────────────────────────────────── */
#contact {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
}

.contact-body {
  margin-top: 40px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  max-width: 480px;
}

.contact-row {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1rem;
}

.contact-row svg {
  width: 20px;
  height: 20px;
  color: var(--color-primary);
  flex-shrink: 0;
}

.contact-row a {
  font-weight: 500;
}

.social-links {
  display: flex;
  gap: 12px;
  margin-top: 8px;
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border: 1px solid var(--color-border);
  border-radius: 9999px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: all 0.2s ease;
}

.social-link:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* ── Footer ─────────────────────────────────────────────── */
.site-footer {
  padding: 32px 0;
  border-top: 1px solid var(--color-border);
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* ── Link page (link-in-bio layout) ────────────────────── */
.link-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 24px;
  background: linear-gradient(
    160deg,
    var(--color-gradient-start) 0%,
    var(--color-gradient-end) 100%
  );
}

.link-card {
  width: 100%;
  max-width: 440px;
  background: var(--color-surface);
  border-radius: 24px;
  padding: 48px 32px 40px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.link-avatar {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 16px;
  border: 3px solid var(--color-border);
}

.link-avatar-placeholder {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-border));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  margin-bottom: 16px;
}

.link-avatar-placeholder svg {
  width: 40px;
  height: 40px;
  opacity: 0.6;
}

.link-name {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.link-tagline {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-top: 4px;
}

.link-bio {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-top: 12px;
  max-width: 360px;
}

.link-stack {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 28px;
}

.link-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 14px 20px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--color-text);
  transition: all 0.2s ease;
}

.link-btn:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
  color: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}

.link-btn-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}

.link-btn-icon svg {
  width: 20px;
  height: 20px;
}

.link-btn-label {
  font-weight: 600;
  font-size: 0.95rem;
}

.link-btn-sub {
  margin-left: auto;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  font-weight: 400;
}

.link-socials {
  display: flex;
  gap: 10px;
  margin-top: 24px;
  flex-wrap: wrap;
  justify-content: center;
}

.link-social {
  padding: 8px 16px;
  border: 1px solid var(--color-border);
  border-radius: 9999px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: all 0.2s ease;
}

.link-social:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 768px) {
  .section {
    padding: 64px 0;
  }

  .hero {
    padding: 80px 0 64px;
  }

  .hero-layout {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }

  .hero-photo-wrap {
    order: -1;
  }

  .hero-photo,
  .hero-photo-placeholder {
    width: 180px;
    height: 180px;
  }

  .hero p {
    max-width: 100%;
  }

  .services-grid,
  .products-grid {
    grid-template-columns: 1fr;
  }

  .about-grid {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
  }

  .about-info p {
    text-align: left;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 16px 24px;
    gap: 16px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
  }

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

  .nav-toggle {
    display: block;
  }

  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .social-links {
    flex-wrap: wrap;
  }
}