:root {
  --bg: #f3f6fb;
  --surface: #ffffff;
  --ink: #0c1a2b;
  --muted: #415064;
  --line: #dbe4ef;
  --accent: #0fa47a;
  --accent-2: #0b6ef3;
  --shadow: 0 20px 40px rgba(10, 28, 48, 0.08);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Manrope", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 10% -20%, rgba(11, 110, 243, 0.14), transparent 42%),
    radial-gradient(circle at 90% 0%, rgba(15, 164, 122, 0.14), transparent 38%),
    var(--bg);
  line-height: 1.6;
}

.bg-noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.14;
  background-image:
    linear-gradient(rgba(12, 26, 43, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(12, 26, 43, 0.05) 1px, transparent 1px);
  background-size: 26px 26px;
}

.container {
  width: min(1120px, 92vw);
  margin: 0 auto;
}

.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  margin-top: 16px;
  padding: 12px 18px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  background: linear-gradient(140deg, var(--accent-2), var(--accent));
}

.brand-text {
  color: var(--ink);
  font-family: "Sora", sans-serif;
  font-weight: 600;
}

.nav {
  display: flex;
  align-items: center;
  gap: 18px;
}

.nav a {
  color: var(--ink);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
}

.nav a:hover {
  color: var(--accent-2);
}

.menu-btn {
  display: none;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 10px;
  padding: 6px 10px;
}

.hero {
  padding: 92px 0 70px;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 28px;
  align-items: stretch;
}

.kicker {
  font-family: "Sora", sans-serif;
  color: var(--accent-2);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.75rem;
  margin-bottom: 12px;
}

.hero h1 {
  margin: 0;
  font-family: "Sora", sans-serif;
  font-size: clamp(1.95rem, 4.4vw, 3.4rem);
  line-height: 1.1;
}

.hero h1 span {
  color: transparent;
  background: linear-gradient(120deg, var(--accent-2), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
}

.lead {
  color: var(--muted);
  margin: 20px 0 30px;
  max-width: 62ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  padding: 12px 20px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--accent-2), var(--accent));
  box-shadow: 0 16px 24px rgba(11, 110, 243, 0.22);
}

.btn-secondary {
  color: var(--ink);
  border: 1px solid var(--line);
  background: #fff;
}

.hero-card,
.about-panel,
.contact-card,
.skill-card,
.timeline-item,
.project-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.hero-card {
  padding: 24px;
}

.hero-card h2 {
  margin-top: 0;
  font-family: "Sora", sans-serif;
  font-size: 1.1rem;
}

.hero-card ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}

.hero-security {
  display: grid;
  place-items: center;
  align-content: center;
  text-align: center;
  gap: 16px;
  background:
    radial-gradient(circle at 50% 10%, rgba(11, 110, 243, 0.12), transparent 60%),
    #fff;
}

.security-icon-wrap {
  width: 170px;
  height: 170px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  border: 1px solid rgba(11, 110, 243, 0.18);
  background: linear-gradient(145deg, rgba(11, 110, 243, 0.08), rgba(15, 164, 122, 0.06));
  box-shadow: inset 0 0 0 10px rgba(255, 255, 255, 0.75);
}

.security-icon {
  width: 92px;
  height: 92px;
}

.security-icon path:first-child,
.security-icon rect {
  fill: rgba(11, 110, 243, 0.12);
  stroke: var(--accent-2);
  stroke-width: 3;
  stroke-linejoin: round;
}

.security-icon path:nth-child(2),
.security-icon circle,
.security-icon path:last-child {
  fill: none;
  stroke: var(--accent);
  stroke-width: 4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.hero-security p {
  margin: 0;
  font-family: "Sora", sans-serif;
  font-weight: 600;
  color: #17304f;
}

section {
  padding: 30px 0;
}

.section-title h2 {
  margin-top: 0;
  font-family: "Sora", sans-serif;
  font-size: clamp(1.5rem, 2.8vw, 2.2rem);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.about-grid p {
  color: var(--muted);
}

.about-panel {
  padding: 22px;
}

.about-panel h3 {
  margin-top: 0;
}

.about-panel ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.skill-card {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.skill-card span {
  display: inline-block;
  width: fit-content;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
}

.skill-card h3 {
  margin: 0;
  font-size: 1rem;
  font-family: "Sora", sans-serif;
}

.skill-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.timeline {
  display: grid;
  gap: 14px;
}

.timeline-item {
  padding: 18px;
}

.timeline-item .meta {
  font-size: 0.84rem;
  color: var(--accent-2);
  font-weight: 700;
  letter-spacing: 0.02em;
}

.timeline-item h3 {
  margin: 6px 0;
  font-family: "Sora", sans-serif;
  font-size: 1.05rem;
}

.timeline-item p {
  margin: 0;
  color: var(--muted);
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.project-card {
  padding: 18px;
}

.project-card h3 {
  margin-top: 0;
  font-family: "Sora", sans-serif;
}

.project-card p {
  margin: 0 0 12px;
  color: var(--muted);
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.project-tags span {
  padding: 4px 9px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: #2e3a49;
  font-size: 0.78rem;
  font-weight: 600;
  background: #fff;
}

.contact-card {
  padding: 28px;
}

.contact-card p {
  color: var(--muted);
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.contact-links a {
  text-decoration: none;
  color: var(--ink);
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 999px;
  padding: 10px 14px;
  font-weight: 700;
}

.footer {
  padding: 24px 0 40px;
  color: #64748b;
  font-size: 0.9rem;
}

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 500ms ease, transform 500ms ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 980px) {
  .hero {
    grid-template-columns: 1fr;
  }

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

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

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

@media (max-width: 760px) {
  .menu-btn {
    display: inline-block;
  }

  .nav {
    position: absolute;
    top: 70px;
    right: 8px;
    flex-direction: column;
    align-items: flex-start;
    width: min(260px, 90vw);
    padding: 14px;
    border-radius: 16px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.96);
    box-shadow: var(--shadow);
    display: none;
  }

  .nav.open {
    display: flex;
  }

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

  .header {
    border-radius: 18px;
  }
}