:root {
  --bg-page: #f3f3f3;
  --bg-card: #ffffff;
  --border-soft: #e0e0e0;
  --text-main: #111827;
  --text-muted: #6b7280;
  --accent: #2563eb;
  --accent-soft: #e0ecff;
  --radius-card: 16px;
  --shadow-soft: 0 14px 30px rgba(15, 23, 42, 0.06);
  --font-base: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
}

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

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-base);
  /* subtle gradient for top area */
  background: linear-gradient(#f5f6f7, #f3f3f3 340px);
  color: var(--text-main);
  -webkit-font-smoothing: antialiased;
}

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

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

.page {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background-color: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(148, 163, 184, 0.2);
  transition: box-shadow 0.18s ease;
}

body.scrolled .site-header {
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.18);
}

.nav-inner {
  max-width: 1040px;
  margin: 0 auto;
  padding: 1.05rem 1.5rem; /* slightly increased vertical padding */
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

/* Brand (Vercel-style minimal) */

.nav-brand-link {
  display: inline-flex;
  align-items: baseline;
  gap: 0.35rem;
  font-size: 0.9rem;
}

.nav-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-main);
}

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

.nav-tagline,
.nav-location {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.nav-location {
  margin-left: 0.15rem; /* clearer separation after dot */
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.nav-link {
  font-size: 0.88rem;
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  color: var(--text-muted);
  transition:
    background-color 0.15s ease,
    color 0.15s ease,
    box-shadow 0.15s ease;
}

.nav-link:hover {
  background-color: rgba(148, 163, 184, 0.12);
  color: var(--text-main);
}

.nav-link-active {
  color: var(--text-main);
  font-weight: 500;
  background-color: rgba(148, 163, 184, 0.18);
  box-shadow: 0 8px 18px rgba(15, 23, 42, 0.12);
}

.nav-link-primary {
  border: 1px solid rgba(37, 99, 235, 0.45);
  color: var(--accent);
  background-color: rgba(37, 99, 235, 0.04);
}

.nav-link-primary:hover {
  background-color: rgba(37, 99, 235, 0.08);
}

/* Sections */

main {
  background-color: transparent;
  padding-bottom: 6rem; 
}


.section {
  padding: 3.5rem 0 3.8rem;
}

/* slightly tighter section */
.section--compact {
  padding-top: 2.2rem;
}

/* last section on page */
.section--last {
  padding-bottom: 2.4rem;
}

.section-card {
  background-color: var(--bg-card);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-soft);
  padding: 2.25rem 2.4rem;
}

.section-card-projects {
  margin-top: 1.5rem;
}

.section-card-contact {
  text-align: center;
}

.section-header {
  margin-bottom: 1.2rem;
}

.section-header h1,
.section-header h2 {
  margin: 0 0 0.35rem;
  font-size: 1.4rem;
}

.section-header h1 {
  font-size: 1.6rem;
}

.section-header-center {
  text-align: center;
}

.section-subtitle {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}
.section.section--compact:first-of-type {
  margin-top: 1rem; /* or 1.5rem if you want more */
}


/* Hero */

.hero {
  padding: 3.4rem 0 3.4rem;
}

.hero-layout {
  display: flex;
  align-items: center;
  gap: 3rem;
  padding-left: 0.8rem; /* slight left shift for balance */
}

.hero-photo {
  flex: 0 0 220px;
  display: flex;
  justify-content: center;
}

.hero-photo img {
  width: 220px;
  height: 220px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.16); /* softer shadow */
}

.hero-text {
  flex: 1;
  max-width: 560px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.18rem 0.65rem;
  border-radius: 999px;
  background: rgba(37, 99, 235, 0.06);
  border: 1px solid rgba(37, 99, 235, 0.18);
  font-size: 0.75rem;
  color: var(--accent);
  margin-bottom: 0.6rem;
}

.hero-title {
  margin: 0 0 0.5rem;
  font-size: 1.6rem;
}

.hero-lead {
  margin: 0 0 0.9rem;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-main);
}

.hero-text p {
  margin: 0 0 0.8rem;
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--text-main);
}

/* Skills */

.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 3rem; /* slightly increased gap */
  margin-top: 0.5rem;
}

.skills-column h3 {
  margin: 0 0 0.4rem;
  font-size: 0.98rem;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.2rem;
}

.skill-tag {
  font-size: 0.78rem;
  padding: 0.22rem 0.55rem;
  border-radius: 999px;
  background-color: #f3f4f6;
  border: 1px solid rgba(148, 163, 184, 0.5);
  white-space: nowrap;
}

.skills-column ul {
  margin: 0 0 1.1rem;
  padding-left: 1.1rem;
  font-size: 0.9rem;
  color: var(--text-main);
}

.skills-column li + li {
  margin-top: 0.25rem;
}

/* Projects */

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.3rem;
}

.project-card {
  background-color: #f9fafb;
  border-radius: 14px;
  padding: 1.2rem 1.25rem 1.3rem;
  border: 1px solid rgba(148, 163, 184, 0.35);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 0.8rem;
  transition:
    transform 0.16s ease,
    box-shadow 0.16s ease,
    border-color 0.16s ease;
}

.project-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(15, 23, 42, 0.12);
  border-color: rgba(37, 99, 235, 0.35);
}

.project-card h2 {
  margin: 0 0 0.4rem;
  font-size: 0.98rem;
}

.project-tools {
  margin: 0 0 0.45rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.project-summary {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.55;
}

.project-pill {
  display: inline-flex;
  padding: 0.12rem 0.5rem;
  border-radius: 999px;
  font-size: 0.7rem;
  background-color: #eef2ff;
  color: #4338ca;
  margin-bottom: 0.3rem;
}

.project-cta {
  align-self: flex-start;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.9);
  background: #ffffff;
  font-size: 0.78rem;
  cursor: default;
  color: var(--text-muted);
  transition:
    background-color 0.15s ease,
    transform 0.15s ease;
}

.project-cta:hover {
  background-color: rgba(148, 163, 184, 0.15);
  transform: translateY(-1px);
}

/* Contact */

.section-card-contact .section-subtitle {
  max-width: 480px;
  margin: 0.25rem auto 0;
}

.contact-icons {
  margin-top: 1.3rem;
  display: flex;
  justify-content: center;
  gap: 1.2rem;
}

.contact-icon {
  width: 34px;
  height: 34px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.6);
  background-color: #ffffff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition:
    background-color 0.15s ease,
    transform 0.15s ease,
    box-shadow 0.15s ease;
}

.contact-icon svg {
  width: 18px;
  height: 18px;
  fill: #111827;
}

.contact-icon:hover {
  background-color: var(--accent-soft);
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.14);
  transform: translateY(-1px);
}

/* Footer */

.site-footer {
  padding: 2rem 0 2rem; /* slightly more top padding */
  background-color: transparent;
}

.footer-inner {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.78rem;
}

/* Focus states & reduced motion */

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

/* Responsive */

@media (max-width: 900px) {
  .hero-layout {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding-left: 0; /* center on small screens */
  }

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

  .hero-photo {
    margin-bottom: 0.5rem;
  }

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

  .projects-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .nav-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .nav-links {
    align-self: flex-end;
  }
}

@media (max-width: 640px) {
  .section-card {
    padding: 1.7rem 1.6rem;
  }

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

  .hero {
    padding-top: 2.4rem;
  }

  .nav-brand-link {
    flex-wrap: wrap;
  }

  .nav-location {
    display: none; /* optional: hide location on very small screens */
  }
}

.hero {
  padding: 3.4rem 0 3.4rem;
  position: relative; /* new: so ::after can position relative to it */
}

.hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 40px; /* how tall the fade is */
  pointer-events: none;
  background: linear-gradient(to bottom, rgba(243, 243, 243, 0), #f3f3f3);
}