*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg: #1a202c;
  --bg-card: #1e2533;
  --bg-card2: #232b3a;
  --accent: #3182ce;
  --accent-h: #4299e1;
  --border: rgba(255, 255, 255, 0.08);
  --text: #e2e8f0;
  --muted: #718096;
  --font: "JetBrains Mono", monospace;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.6;
  min-height: 100vh;
}

/* ── NAV ── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 0 5%;
}

.nav-inner {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
}

.nav-logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.5px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}

.nav-links a {
  color: var(--text);
  text-decoration: none;
  font-size: 13px;
  padding: 6px 12px;
  border-radius: 6px;
  transition: color 0.2s;
}

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

.nav-links .btn-contact {
  background: var(--accent);
  color: #fff;
  border-radius: 6px;
  padding: 6px 14px;
  font-size: 13px;
  transition: background 0.2s;
}

.nav-links .btn-contact:hover {
  background: var(--accent-h);
  color: #fff;
}

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

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s;
}

.hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger.open span:nth-child(2) {
  opacity: 0;
}
.hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 12px 0 16px;
  border-top: 1px solid var(--border);
}

.mobile-menu.open {
  display: flex;
}

.mobile-menu a {
  color: var(--text);
  text-decoration: none;
  font-size: 13px;
  padding: 8px 4px;
  border-radius: 6px;
  transition: color 0.2s;
}

.mobile-menu a:hover {
  color: var(--accent-h);
}

.mobile-menu .btn-contact {
  background: var(--accent);
  color: #fff !important;
  text-align: center;
  border-radius: 6px;
  padding: 8px 14px;
  margin-top: 4px;
}

/* ── LAYOUT ── */
.page {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 5%;
}

section {
  padding: 60px 0;
}

.section-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 32px;
  letter-spacing: 0.5px;
}

hr.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 0 5%;
}

/* ── ABOUT ── */
.about-grid {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 28px;
  align-items: start;
}

.avatar {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  background: var(--bg-card2);
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  overflow: hidden;
}

.avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.about-text h2 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 4px;
}

.about-text .subtitle {
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 14px;
}

.about-text p {
  font-size: 12px;
  color: var(--text);
  opacity: 0.85;
  max-width: 480px;
  margin-bottom: 18px;
}

.socials {
  display: flex;
  gap: 10px;
}

.social-icon {
  width: 62px;
  height: 62px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 600;
  text-decoration: none;
  transition:
    opacity 0.2s,
    transform 0.2s;
  flex-shrink: 0;
  border: 1px solid var(--border);
}

.social-icon:hover {
  opacity: 0.85;
  transform: translateY(-2px);
}

.about-cta {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-self: center;
}

.btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 18px;
  border-radius: 6px;
  font-family: var(--font);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
  transition:
    background 0.2s,
    border-color 0.2s,
    color 0.2s;
  white-space: nowrap;
}

.btn-primary {
  background: transparent;
  border: 1px solid var(--accent);
  color: var(--accent);
}
.btn-primary:hover {
  background: var(--accent);
  color: #fff;
}

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

.btn-secondary:hover {
  background: var(--accent-h);
  /* color: var(--accent); */
}

/* ── SKILLS ── */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.skill-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px 16px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  text-align: center;
  transition:
    border-color 0.2s,
    transform 0.2s;
}

.skill-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
}

.skill-icon {
  color: var(--accent);
  opacity: 0.85;
}

.skill-icon svg {
  width: 28px;
  height: 28px;
}

.skill-card h3 {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
}

.skill-card p {
  font-size: 11px;
  color: var(--muted);
  line-height: 1.5;
}

/* ── SOCIALS SECTION ── */
.socials-section {
  text-align: center;
  padding: 60px 0;
}

.socials-section .section-title {
  text-align: center;
  margin-bottom: 32px;
}

.socials-row {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.social-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px 32px;
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text);
  font-size: 13px;
  transition:
    border-color 0.2s,
    transform 0.2s;
}

.social-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
}

.social-card-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ── PROJECTS ── */

/* ── PROJECT CARD ── */
.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  transition: border-color 0.2s;
}

.project-card:hover {
  border-color: var(--accent);
}

.project-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.project-icon {
  width: 44px;
  height: 44px;
  background: rgba(49, 130, 206, 0.12);
  border: 1px solid rgba(49, 130, 206, 0.25);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
}

.project-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}

.project-link {
  margin-left: auto;
  color: var(--muted);
  text-decoration: none;
  display: flex;
  align-items: center;
  transition: color 0.2s;
}

.project-link:hover {
  color: var(--text);
}

.project-desc {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.7;
}

.project-image {
  width: 100%;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg-card2);
}

.project-image img {
  width: 100%;
  height: auto;
  display: block;
}

.project-date {
  font-size: 11px;
  color: var(--muted);
}

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

.tag {
  font-size: 10px;
  font-weight: 600;
  color: var(--accent);
  background: rgba(49, 130, 206, 0.1);
  border: 1px solid rgba(49, 130, 206, 0.2);
  border-radius: 4px;
  padding: 3px 10px;
  letter-spacing: 0.2px;
}

.project-visit-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  white-space: nowrap;
  transition:
    color 0.2s,
    gap 0.2s;
}

.project-visit-link:hover {
  color: var(--accent-h);
  gap: 8px;
}

/* ── CONTACT ── */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 12px;
  color: var(--muted);
  font-weight: 500;
}

.form-group input,
.form-group textarea {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px 14px;
  color: var(--text);
  font-family: var(--font);
  font-size: 13px;
  resize: vertical;
  outline: none;
  transition: border-color 0.2s;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--muted);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
}

#send-btn {
  background: var(--accent);
  color: #fff;
  border: 1px solid var(--accent);
  padding: 10px 28px;
  font-size: 13px;
  transition: background 0.2s;
}

#send-btn:hover {
  background: var(--accent-h);
  border-color: var(--accent-h);
}

@media (max-width: 480px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

/* ── FOOTER ── */
footer {
  border-top: 1px solid var(--border);
  padding: 24px 5%;
  text-align: center;
  color: var(--muted);
  font-size: 11px;
}

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  .hamburger {
    display: flex;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .about-top {
    display: flex;
    gap: 20px;
    align-items: flex-start;
  }

  .about-cta {
    flex-direction: row;
    flex-wrap: wrap;
  }

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

@media (max-width: 480px) {
  .skills-grid {
    grid-template-columns: 1fr 1fr;
  }
  .about-top {
    flex-direction: column;
  }
  .socials-row {
    flex-direction: column;
    align-items: center;
  }
}