/* ===================================================
   styles.css – Jose Chancafe Personal Website
   =================================================== */

/* ---------- CSS Custom Properties ---------- */
:root {
  --color-bg: #0a0f1e;
  --color-bg-alt: #0f1628;
  --color-surface: #141b2e;
  --color-surface-hover: #1a2340;
  --color-primary: #3b82f6;
  --color-primary-dark: #2563eb;
  --color-primary-light: #60a5fa;
  --color-accent: #06b6d4;
  --color-text: #e2e8f0;
  --color-text-muted: #94a3b8;
  --color-border: rgba(255, 255, 255, 0.08);
  --color-highlight: linear-gradient(135deg, #3b82f6, #06b6d4);

  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-size-base: 1rem;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-pill: 9999px;

  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.35);
  --shadow-card-hover: 0 8px 40px rgba(59, 130, 246, 0.25);

  --transition: 0.25s ease;
  --max-width: 1100px;
  --section-padding: 7rem 1.5rem;
}

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

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

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img, svg {
  display: block;
}

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

/* ---------- Utility ---------- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: var(--section-padding);
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary-light);
  margin-bottom: 0.75rem;
}

.section-intro {
  max-width: 640px;
  color: var(--color-text-muted);
  font-size: 1.05rem;
  margin-top: 1rem;
  margin-bottom: 3rem;
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.6rem;
}

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

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.5rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
}

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

.btn--primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
}

.btn--outline {
  background: transparent;
  color: var(--color-primary-light);
  border-color: var(--color-primary-light);
}

.btn--outline:hover {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.btn--ghost {
  background: var(--color-surface);
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn--ghost:hover {
  background: var(--color-surface-hover);
  border-color: rgba(255, 255, 255, 0.15);
}

.btn--large {
  padding: 0.9rem 2rem;
  font-size: 1rem;
}

/* ---------- Navbar ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(10, 15, 30, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

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

.navbar__logo {
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  color: var(--color-text);
  transition: color var(--transition);
}

.navbar__logo:hover {
  color: var(--color-primary-light);
}

.navbar__links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

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

.navbar__links a:hover,
.navbar__links a.active {
  color: var(--color-text);
}

.navbar__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.navbar__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 7rem 1.5rem 5rem;
  overflow: hidden;
}

.hero__inner {
  position: relative;
  z-index: 1;
}

.hero__eyebrow {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1.25rem;
}

.hero__headline {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  max-width: 680px;
}

.hero__sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--color-text-muted);
  max-width: 560px;
  margin-bottom: 2.5rem;
  line-height: 1.7;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

/* Decorative radial glow in hero */
.hero__bg-decoration {
  position: absolute;
  top: -20%;
  right: -15%;
  width: 70vw;
  max-width: 800px;
  aspect-ratio: 1;
  background: radial-gradient(
    ellipse at center,
    rgba(59, 130, 246, 0.18) 0%,
    rgba(6, 182, 212, 0.08) 40%,
    transparent 70%
  );
  pointer-events: none;
  border-radius: 50%;
}

/* ---------- About ---------- */
.about {
  background: var(--color-bg-alt);
}

.about__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.about__text h2 {
  margin-bottom: 1.25rem;
}

.about__text p {
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
  font-size: 1.0rem;
}

.about__text p strong {
  color: var(--color-text);
}

.about__text .btn {
  margin-top: 0.75rem;
}

.about__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.75rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.stat-card:hover {
  border-color: rgba(59, 130, 246, 0.4);
  box-shadow: var(--shadow-card-hover);
}

.stat-card__number {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  background: var(--color-highlight);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-card__label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

/* ---------- Focus Areas ---------- */
.focus__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 0.5rem;
}

.focus-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2rem 1.75rem;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.focus-card:hover {
  border-color: rgba(59, 130, 246, 0.4);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-3px);
}

.focus-card__icon {
  width: 44px;
  height: 44px;
  background: rgba(59, 130, 246, 0.12);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  color: var(--color-primary-light);
}

.focus-card__icon svg {
  width: 22px;
  height: 22px;
}

.focus-card p {
  color: var(--color-text-muted);
  font-size: 0.92rem;
  line-height: 1.65;
}

/* ---------- Industries ---------- */
.industries {
  background: var(--color-bg-alt);
}

.industries__grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 3.5rem;
}

.industry-pill {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  padding: 0.5rem 1.2rem;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all var(--transition);
  cursor: default;
}

.industry-pill:hover {
  border-color: rgba(59, 130, 246, 0.5);
  background: rgba(59, 130, 246, 0.1);
  color: var(--color-primary-light);
}

.tech-stack h3 {
  color: var(--color-text-muted);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.tech-stack__grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.tech-item {
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.25);
  color: var(--color-primary-light);
  border-radius: var(--radius-sm);
  padding: 0.4rem 0.9rem;
  font-size: 0.85rem;
  font-weight: 500;
}

/* ---------- Contact ---------- */
.contact {
  background: var(--color-bg);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.contact::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse at 50% 0%,
    rgba(59, 130, 246, 0.12) 0%,
    transparent 65%
  );
  pointer-events: none;
}

.contact__inner {
  position: relative;
  z-index: 1;
  max-width: 680px;
  margin: 0 auto;
}

.contact__inner h2 {
  margin-bottom: 1.25rem;
}

.contact__inner p {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  margin-bottom: 2.25rem;
}

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--color-border);
  padding: 1.75rem 1.5rem;
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer__inner p {
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.footer__linkedin {
  width: 20px;
  height: 20px;
  color: var(--color-text-muted);
  transition: color var(--transition);
}

.footer__linkedin:hover {
  color: var(--color-primary-light);
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .focus__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about__inner {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

@media (max-width: 640px) {
  :root {
    --section-padding: 5rem 1.25rem;
  }

  .navbar__links {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 1rem 1.5rem;
  }

  .navbar__links a {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--color-border);
    font-size: 1rem;
  }

  .navbar__links a:last-child {
    border-bottom: none;
    margin-top: 0.5rem;
  }

  .navbar__links--open {
    display: flex;
  }

  .navbar__toggle {
    display: flex;
  }

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

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

  .hero__headline {
    font-size: 2.4rem;
  }

  .footer__inner {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}

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