:root {
  --bg: #f1fff6;
  --bg-alt: #ecfeff;
  --card: #ffffff;
  --primary: #10b981;
  --primary-soft: rgba(16, 185, 129, 0.12);
  --primary-soft-strong: rgba(16, 185, 129, 0.18);
  --text: #0f172a;
  --muted: #64748b;
  --border: #d1fadb;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --shadow-soft: 0 14px 35px rgba(15, 23, 42, 0.12);
}

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

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

body {
  font-family: "Poppins", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  background:
    radial-gradient(circle at top left, #e0fbf4 0, #f9fdfb 40%, #f1fff6 100%);
  color: var(--text);
  line-height: 1.6;
}

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

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

.section {
  padding: 5rem 0;
}

.section-alt {
  background: linear-gradient(
    135deg,
    rgba(224, 251, 244, 0.8),
    rgba(236, 254, 255, 0.9)
  );
}

.section-inner {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

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

.section-header h2 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.section-header p {
  color: var(--muted);
  max-width: 540px;
  margin: 0.5rem auto 0;
}

/* HEADER / NAV */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
  background: rgba(241, 255, 246, 0.9);
  border-bottom: 1px solid rgba(209, 250, 219, 0.7);
}

.nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1.5rem;
}

.logo {
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 1rem;
  color: #064e3b;
}

.logo span {
  color: var(--primary);
}

.nav-links {
  display: flex;
  gap: 1.25rem;
  align-items: center;
}

.nav-links a {
  color: var(--muted);
  font-size: 0.9rem;
  transition: color 0.2s ease, transform 0.2s ease;
}

.nav-links a:hover {
  color: var(--primary);
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
}

.nav-toggle-label {
  display: none;
}

/* HERO */

.hero {
  padding: 4.5rem 0 4rem;
}

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

.hero-text {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.hero-tagline {
  color: var(--primary);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.75rem;
}

.hero-title {
  font-size: 2.4rem;
  line-height: 1.1;
  color: #022c22;
}

.hero-subtitle {
  color: var(--muted);
  max-width: 560px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero-note {
  font-size: 0.85rem;
  color: var(--muted);
}

/* BUTTONS */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.4rem;
  border-radius: 999px;
  font-size: 0.9rem;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s ease;
}

.btn.primary {
  background: linear-gradient(135deg, #22c55e, #10b981);
  color: #ffffff;
  box-shadow: 0 10px 25px rgba(34, 197, 94, 0.45);
}

.btn.primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 36px rgba(34, 197, 94, 0.6);
}

.btn.ghost {
  background: #ffffff;
  color: #047857;
  border-color: rgba(16, 185, 129, 0.35);
}

.btn.ghost:hover {
  background: #ecfdf3;
  border-color: var(--primary);
}

/* AVATAR */

.hero-avatar {
  display: flex;
  justify-content: center;
}

.avatar-circle {
  width: 230px;
  height: 230px;
  border-radius: 999px;
  background: radial-gradient(circle at top, #bbf7d0 0, #f0fdf4 55%, #e0fbf4 100%);
  border: 2px solid rgba(34, 197, 94, 0.6);
  box-shadow: var(--shadow-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.avatar-circle img {
  width: 92%;
  height: 92%;
  object-fit: cover;
  border-radius: inherit;
}

/* ABOUT */

.about-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 2rem;
  align-items: flex-start;
}

.about-text p {
  margin-bottom: 0.75rem;
}

.about-text ul {
  padding-left: 1.2rem;
  color: var(--muted);
}

.about-text li {
  margin-bottom: 0.3rem;
}

.about-cards {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.info-card {
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.96),
    rgba(240, 253, 250, 0.96)
  );
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: 1rem 1.2rem;
  box-shadow: 0 12px 28px rgba(148, 163, 184, 0.25);
}

.info-card h3 {
  font-size: 1rem;
  margin-top: 0;
  margin-bottom: 0.5rem;
  color: #064e3b;
}

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

.info-card li {
  margin-bottom: 0.35rem;
}

.info-card span {
  color: var(--text);
  font-weight: 500;
}

/* SKILLS */

.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}

.skill-column {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 1.2rem 1.3rem;
  border: 1px solid rgba(148, 163, 184, 0.35);
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
}

.skill-column h3 {
  margin-top: 0;
  font-size: 1rem;
  color: #0f766e;
}

.skill-column ul {
  padding-left: 1.1rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.skill-column li {
  margin-bottom: 0.3rem;
}

/* PROJECTS */

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}

.project-card {
  background: var(--card);
  border-radius: var(--radius-lg);
  padding: 1.3rem 1.4rem;
  border: 1px solid rgba(148, 163, 184, 0.35);
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.project-card h3 {
  margin: 0;
  font-size: 1rem;
  color: #022c22;
}

.project-card p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.project-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.3rem;
}

.project-meta span {
  font-size: 0.75rem;
  padding: 0.16rem 0.55rem;
  border-radius: 999px;
  background: var(--primary-soft);
  color: #047857;
}

.project-link {
  margin-top: 0.5rem;
  font-size: 0.85rem;
  text-decoration: none;
  color: #0f766e;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.project-link:hover {
  text-decoration: underline;
}

/* CONTACT */

.contact-inner {
  gap: 2.2rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1.1fr);
  gap: 2rem;
  align-items: flex-start;
}

.contact-info ul {
  list-style: none;
  padding: 0;
  font-size: 0.9rem;
  margin: 1rem 0 0.8rem;
}

.contact-info li {
  margin-bottom: 0.4rem;
}

.contact-info span {
  color: var(--text);
  font-weight: 500;
}

.contact-note {
  font-size: 0.85rem;
  color: var(--muted);
}

.contact-form {
  background: #ffffff;
  border-radius: var(--radius-xl);
  padding: 1.3rem 1.4rem;
  border: 1px solid rgba(148, 163, 184, 0.55);
  box-shadow: 0 14px 38px rgba(148, 163, 184, 0.35);
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.contact-form label {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.85rem;
  color: #0f172a;
}

.contact-form input,
.contact-form textarea {
  border-radius: 0.75rem;
  border: 1px solid rgba(148, 163, 184, 0.7);
  padding: 0.6rem 0.8rem;
  background: #f9fafb;
  color: var(--text);
  font-family: inherit;
  font-size: 0.9rem;
  outline: none;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 1px var(--primary-soft-strong);
}

.contact-form textarea {
  resize: vertical;
}

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

/* FOOTER */

.site-footer {
  border-top: 1px solid rgba(209, 250, 219, 0.9);
  padding: 1.2rem 0 1.4rem;
  background: #ecfdf3;
}

.footer-inner {
  text-align: center;
  font-size: 0.8rem;
  color: var(--muted);
}

/* RESPONSIVE */

@media (max-width: 900px) {
  .hero-content {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-avatar {
    order: -1;
  }

  .about-grid,
  .skills-grid,
  .projects-grid,
  .contact-grid {
    grid-template-columns: minmax(0, 1fr);
  }

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

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

@media (max-width: 720px) {
  .nav-toggle-label {
    display: block;
    cursor: pointer;
    width: 32px;
    height: 24px;
    position: relative;
  }

  .nav-toggle-label span,
  .nav-toggle-label span::before,
  .nav-toggle-label span::after {
    position: absolute;
    display: block;
    height: 2px;
    width: 100%;
    background: #0f172a;
    border-radius: 999px;
    transition: transform 0.2s ease, top 0.2s ease, opacity 0.2s ease;
  }

  .nav-toggle-label span {
    top: 50%;
    transform: translateY(-50%);
  }

  .nav-toggle-label span::before {
    content: "";
    top: -7px;
  }

  .nav-toggle-label span::after {
    content: "";
    top: 7px;
  }

  .nav-links {
    position: absolute;
    inset: 100% 0 auto 0;
    flex-direction: column;
    padding: 0.75rem 1.5rem 1rem;
    background: #ecfdf3;
    border-bottom: 1px solid rgba(209, 250, 219, 0.9);
    transform-origin: top;
    transform: scaleY(0);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.18s ease, opacity 0.18s ease;
  }

  .nav-links a {
    padding: 0.15rem 0;
  }

  .nav-toggle:checked ~ .nav-links {
    transform: scaleY(1);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-toggle:checked + .nav-toggle-label span {
    transform: translateY(-50%) rotate(45deg);
  }

  .nav-toggle:checked + .nav-toggle-label span::before {
    top: 0;
    transform: rotate(-90deg);
  }

  .nav-toggle:checked + .nav-toggle-label span::after {
    opacity: 0;
  }

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

.contact-success {
  background: #ecfdf3;
  border: 1px solid rgba(34, 197, 94, 0.5);
  color: #166534;
  padding: 0.75rem 1rem;
  border-radius: 12px;
  font-size: 0.9rem;
  margin-bottom: 1rem;
  box-shadow: 0 10px 24px rgba(22, 163, 74, 0.18);
}