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

:root {
  --bg: #050816;
  --bg-alt: #0b1020;
  --card: #111827;
  --accent: #22c55e;
  --accent-soft: rgba(34, 197, 94, 0.16);
  --text-main: #f9fafb;
  --text-muted: #9ca3af;
  --border-subtle: #1f2933;
  --shadow-soft: 0 18px 45px rgba(15, 23, 42, 0.75);
  --radius-lg: 1.5rem;
  --radius-md: 1rem;
  --radius-pill: 999px;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Inter", sans-serif;
  background: radial-gradient(circle at top, #1f2937 0, var(--bg) 45%, #020617 100%);
  color: var(--text-main);
  line-height: 1.6;
}

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

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

a:hover {
  text-decoration: underline;
}

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* HEADER */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(20px);
  background: linear-gradient(to bottom, rgba(3, 7, 18, 0.9), rgba(3, 7, 18, 0.4));
  border-bottom: 1px solid rgba(148, 163, 184, 0.18);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-mark {
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 0.9rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  background: radial-gradient(circle at 30% 0%, #4ade80, #16a34a 50%, #22d3ee);
  color: #020617;
  box-shadow: 0 10px 30px rgba(34, 197, 94, 0.7);
}

.logo-text {
  font-weight: 600;
  letter-spacing: 0.03em;
}

.main-nav {
  display: flex;
  gap: 1.25rem;
  font-size: 0.9rem;
}

.main-nav a {
  color: var(--text-muted);
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: all 0.18s ease-out;
}

.main-nav a:hover {
  color: var(--text-main);
  border-color: rgba(148, 163, 184, 0.4);
  background: rgba(15, 23, 42, 0.8);
}

/* HERO */

.hero {
  padding: 3.5rem 0 3rem;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2.2fr);
  gap: 2.25rem;
  align-items: stretch;
}

.eyebrow {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--accent);
  margin-bottom: 0.8rem;
}

.hero h1 {
  font-size: clamp(2.1rem, 3vw, 2.6rem);
  line-height: 1.1;
  margin: 0 0 1rem;
}

.hero-subtitle {
  color: var(--text-muted);
  font-size: 0.98rem;
  max-width: 37rem;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin: 1.6rem 0 0.8rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.4rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(148, 163, 184, 0.5);
  background: rgba(15, 23, 42, 0.85);
  color: var(--text-main);
  font-size: 0.92rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn.primary {
  background: linear-gradient(to right, #22c55e, #16a34a);
  border-color: transparent;
  color: #022c22;
  box-shadow: 0 14px 38px rgba(34, 197, 94, 0.5);
}

.btn.primary:hover {
  filter: brightness(1.08);
  transform: translateY(-1px);
}

.btn:hover {
  border-color: rgba(148, 163, 184, 0.9);
  background: rgba(15, 23, 42, 0.95);
  text-decoration: none;
}

.btn.full {
  width: 100%;
  justify-content: center;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
  margin-top: 1.1rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.hero-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
  font-size: 0.88rem;
}

.hero-links a {
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-pill);
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid rgba(148, 163, 184, 0.4);
  color: var(--text-muted);
  transition: all 0.18s ease;
}

.hero-links a:hover {
  color: var(--text-main);
  border-color: rgba(148, 163, 184, 0.9);
}

.hero-card {
  background: radial-gradient(circle at 0% 0%, rgba(34, 197, 94, 0.22), transparent 55%),
              radial-gradient(circle at 100% 100%, rgba(56, 189, 248, 0.2), transparent 50%),
              var(--card);
  border-radius: 1.6rem;
  padding: 1.7rem 1.5rem 1.5rem;
  border: 1px solid rgba(148, 163, 184, 0.28);
  box-shadow: var(--shadow-soft);
}

.hero-card h2 {
  font-size: 1.05rem;
  margin: 0 0 0.8rem;
}

.hero-card ul {
  list-style: none;
  padding: 0;
  margin: 0 0 1.25rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.hero-card li {
  display: flex;
  align-items: flex-start;
  gap: 0.4rem;
  margin-bottom: 0.45rem;
}

.hero-card li::before {
  content: "●";
  font-size: 0.6rem;
  margin-top: 0.25rem;
  color: var(--accent);
}

/* SECTIONS */

.section {
  padding: 3.1rem 0;
}

.section-alt {
  background: radial-gradient(circle at top, rgba(148, 163, 184, 0.14), transparent 55%);
}

.section h2 {
  font-size: 1.55rem;
  margin-bottom: 1.5rem;
}

.section-intro {
  max-width: 38rem;
  color: var(--text-muted);
  font-size: 0.94rem;
}

/* Layout helpers */

.two-column {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2.5fr);
  gap: 2.2rem;
  align-items: flex-start;
}

.about-highlights {
  background: var(--card);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(148, 163, 184, 0.3);
  padding: 1.4rem 1.3rem;
}

.about-highlights h3 {
  margin-top: 0;
  font-size: 1.02rem;
}

.about-highlights ul {
  padding-left: 1.1rem;
  margin: 0.7rem 0 0;
  color: var(--text-muted);
  font-size: 0.92rem;
}

/* TIMELINE */

.timeline {
  display: grid;
  gap: 1.5rem;
}

.timeline-item {
  background: var(--card);
  border-radius: var(--radius-md);
  padding: 1.2rem 1.3rem;
  border-left: 3px solid var(--accent);
  border-top: 1px solid rgba(148, 163, 184, 0.25);
  border-right: 1px solid rgba(148, 163, 184, 0.16);
  border-bottom: 1px solid rgba(148, 163, 184, 0.16);
}

.timeline-item h3 {
  margin: 0 0 0.25rem;
  font-size: 1.03rem;
}

.timeline-item .meta {
  margin: 0 0 0.6rem;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.timeline-item ul {
  margin: 0;
  padding-left: 1.1rem;
  font-size: 0.92rem;
  color: var(--text-muted);
}

/* SKILLS */

.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2rem;
}

.pill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.pill-list li {
  font-size: 0.86rem;
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(148, 163, 184, 0.45);
  background: rgba(15, 23, 42, 0.85);
  color: var(--text-muted);
}

/* CARDS / PROJECTS */

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.4rem;
  margin-top: 1.8rem;
}

.card {
  background: var(--card);
  border-radius: var(--radius-md);
  padding: 1.3rem;
  border: 1px solid rgba(148, 163, 184, 0.3);
  box-shadow: 0 18px 35px rgba(15, 23, 42, 0.65);
}

.card h3 {
  margin-top: 0;
  font-size: 1rem;
}

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

.card ul {
  margin: 0.6rem 0 0.5rem;
  padding-left: 1.1rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.88rem;
  color: var(--accent);
}

.centered-link {
  text-align: center;
  margin-top: 1.6rem;
}

.centered-link a {
  font-size: 0.9rem;
  color: var(--accent);
}

/* CLIENTS */

.clients-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  list-style: none;
  padding: 0;
  margin: 1.4rem 0 0;
}

.clients-list li {
  font-size: 0.86rem;
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-pill);
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid rgba(148, 163, 184, 0.35);
  color: var(--text-muted);
}

/* CONTACT */

.contact-block {
  align-items: stretch;
}

.contact-list {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
  font-size: 0.93rem;
  color: var(--text-muted);
}

.contact-list li {
  margin-bottom: 0.35rem;
}

.contact-form {
  background: var(--card);
  border-radius: var(--radius-lg);
  padding: 1.4rem 1.3rem 1.4rem;
  border: 1px solid rgba(148, 163, 184, 0.3);
}

.contact-form h3 {
  margin-top: 0;
  font-size: 1rem;
}

.contact-form label {
  display: block;
  font-size: 0.85rem;
  margin-bottom: 0.8rem;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  margin-top: 0.3rem;
  border-radius: 0.7rem;
  border: 1px solid rgba(148, 163, 184, 0.45);
  background: rgba(15, 23, 42, 0.9);
  color: var(--text-main);
  padding: 0.55rem 0.75rem;
  font-family: inherit;
  font-size: 0.9rem;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 1px rgba(34, 197, 94, 0.7);
}

.form-note {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 0.6rem;
}

/* FOOTER */

.site-footer {
  border-top: 1px solid rgba(148, 163, 184, 0.2);
  padding: 1.2rem 0 1.4rem;
  margin-top: 1rem;
  background: radial-gradient(circle at top, rgba(17, 24, 39, 0.8), transparent 60%);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* RESPONSIVE */

@media (max-width: 900px) {
  .hero-inner,
  .two-column,
  .skills-grid,
  .card-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero {
    padding-top: 2.4rem;
  }

  .site-header {
    position: static;
  }

  .main-nav {
    display: none;
  }
}

@media (max-width: 640px) {
  .header-inner {
    padding: 0.7rem 0;
  }

  .hero-card {
    padding: 1.3rem;
  }

  .section {
    padding: 2.4rem 0;
  }

  .card-grid {
    gap: 1rem;
  }
}