/* ─── RESET & BASE ─────────────────────────────── */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  text-decoration: none;
  scroll-behavior: smooth;
}

:root {
  --bg:         #F8FFFE;
  --bg-alt:     #F0FAF6;
  --surface:    #FFFFFF;
  --mint:       #10B981;
  --mint-dark:  #059669;
  --mint-light: #D1FAE5;
  --indigo:     #6366F1;
  --indigo-dark:#4F46E5;
  --indigo-light:#EEF2FF;
  --text:       #1a1a2e;
  --text-2:     #4B5563;
  --text-3:     #9CA3AF;
  --border:     #E5E7EB;
  --border-mint:#A7F3D0;
  --radius:     1.2rem;
  --radius-sm:  0.6rem;
  --shadow:     0 4px 24px rgba(16,185,129,0.08);
  --shadow-lg:  0 8px 40px rgba(16,185,129,0.14);
}

html {
  font-size: 62.5%;
  overflow-x: hidden;
  scroll-behavior: smooth;
}

body {
  font-family: 'DM Sans', sans-serif;
  font-size: 1.6rem;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
}

h1, h2, h3, h4 {
  font-family: 'Syne', sans-serif;
  line-height: 1.15;
}

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

/* ─── SCROLLBAR ─────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-thumb { background: var(--mint); border-radius: 3px; }
::-webkit-scrollbar-track { background: var(--bg-alt); }

/* ─── UTILITIES ─────────────────────────────────── */
.section-label {
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--mint);
  margin-bottom: 0.8rem;
}
.section-label.center { text-align: center; }

.heading {
  font-size: 5rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: 5rem;
  color: var(--text);
}
.heading span {
  color: var(--indigo);
}

/* ─── BUTTONS ───────────────────────────────────── */
.btn {
  display: inline-block;
  padding: 1.1rem 2.8rem;
  border-radius: 10rem;
  font-size: 1.5rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s ease;
  border: 2px solid transparent;
  font-family: 'DM Sans', sans-serif;
}
.btn-primary {
  background: var(--mint);
  color: #fff;
  border-color: var(--mint);
}
.btn-primary:hover {
  background: var(--mint-dark);
  border-color: var(--mint-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(16,185,129,0.35);
}
.btn-outline {
  background: transparent;
  color: var(--indigo);
  border-color: var(--indigo);
}
.btn-outline:hover {
  background: var(--indigo);
  color: #fff;
  transform: translateY(-2px);
}
.btn-sm {
  padding: 0.8rem 1.8rem;
  font-size: 1.3rem;
  background: var(--mint);
  color: #fff;
  border-color: var(--mint);
}
.btn-sm:hover {
  background: var(--mint-dark);
  transform: translateY(-2px);
}
.btn-full { width: 100%; text-align: center; }

/* ─── HEADER ────────────────────────────────────── */
.header {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  padding: 2rem 8%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(248, 255, 254, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-mint);
  z-index: 1000;
  transition: box-shadow 0.3s;
}
.header.scrolled {
  box-shadow: 0 2px 20px rgba(16,185,129,0.1);
}

.logo {
  font-family: 'Syne', sans-serif;
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.02em;
}
.logo span { color: var(--indigo); }

.navbar a {
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--text-2);
  margin-left: 3.5rem;
  transition: color 0.2s;
  position: relative;
}
.navbar a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--mint);
  transition: width 0.25s ease;
  border-radius: 2px;
}
.navbar a:hover { color: var(--mint); }
.navbar a:hover::after { width: 100%; }

.header-btn {
  font-size: 1.4rem;
  font-weight: 600;
  padding: 0.9rem 2.2rem;
  background: var(--mint);
  color: #fff;
  border-radius: 10rem;
  transition: all 0.25s ease;
  font-family: 'DM Sans', sans-serif;
}
.header-btn:hover {
  background: var(--mint-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(16,185,129,0.3);
}

#menu-icon {
  font-size: 3rem;
  color: var(--text);
  display: none;
  cursor: pointer;
}

/* ─── HOME ──────────────────────────────────────── */
.home {
  min-height: 100vh;
  padding: 12rem 8% 6rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6rem;
  background: var(--bg);
}

.home-content {
  flex: 1;
  max-width: 60rem;
}

.home-greeting {
  font-size: 1.8rem;
  color: var(--text-2);
  margin-bottom: 0.5rem;
  font-weight: 400;
}

.home-content h1 {
  font-size: clamp(5rem, 8vw, 8.5rem);
  font-weight: 800;
  color: var(--text);
  line-height: 1;
  margin-bottom: 1.2rem;
  letter-spacing: -0.03em;
}
.home-content h1 span { color: var(--indigo); }

.home-role {
  font-family: 'DM Sans', sans-serif;
  font-size: 1.8rem;
  font-weight: 500;
  color: var(--mint-dark);
  margin-bottom: 2rem;
}
.role-sep { color: var(--text-3); margin: 0 0.8rem; }

.home-bio {
  font-size: 1.6rem;
  color: var(--text-2);
  line-height: 1.8;
  margin-bottom: 3rem;
  max-width: 52rem;
}

.social-icons {
  display: flex;
  gap: 1.2rem;
  margin-bottom: 3rem;
}
.social-icons a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 4.4rem;
  height: 4.4rem;
  border-radius: 50%;
  border: 1.5px solid var(--border-mint);
  color: var(--mint);
  font-size: 2rem;
  transition: all 0.25s ease;
  background: var(--surface);
}
.social-icons a:hover {
  background: var(--mint);
  color: #fff;
  border-color: var(--mint);
  transform: translateY(-3px);
  box-shadow: 0 6px 16px rgba(16,185,129,0.3);
}

.btn-group {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.home-img {
  flex-shrink: 0;
}
.home-img img {
  width: 34rem;
  height: 34rem;
  border-radius: 50%;
  object-fit: cover;
  object-position: top;
  border: 4px solid var(--mint-light);
  box-shadow: var(--shadow-lg);
  transition: box-shadow 0.3s ease;
}
.home-img img:hover {
  box-shadow: 0 12px 50px rgba(16,185,129,0.25);
}

/* ─── ABOUT ─────────────────────────────────────── */
.about {
  min-height: 100vh;
  padding: 10rem 8%;
  display: flex;
  align-items: center;
  gap: 8rem;
  background: var(--surface);
}

.about-img {
  flex-shrink: 0;
}
.about-img img {
  width: 38rem;
  height: 44rem;
  object-fit: cover;
  object-position: top;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  border: 3px solid var(--mint-light);
}

.about-content { flex: 1; }

.about-content h2 {
  font-size: 5.5rem;
  font-weight: 800;
  margin-bottom: 2rem;
  letter-spacing: -0.02em;
}
.about-content h2 span { color: var(--mint); }

.about-bio {
  font-size: 1.65rem;
  color: var(--text-2);
  margin-bottom: 2rem;
  line-height: 1.8;
}

.traits {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 2.5rem 0;
}
.trait {
  font-size: 1.3rem;
  font-weight: 600;
  padding: 0.5rem 1.4rem;
  border-radius: 10rem;
  background: var(--indigo-light);
  color: var(--indigo-dark);
  border: 1px solid #c7d2fe;
}

.edu-cards {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  margin-top: 2.5rem;
}
.edu-card {
  display: flex;
  align-items: center;
  gap: 1.6rem;
  padding: 1.6rem 2rem;
  background: var(--bg-alt);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-mint);
}
.edu-card i {
  font-size: 2.8rem;
  color: var(--mint);
  flex-shrink: 0;
}
.edu-card strong {
  display: block;
  font-size: 1.55rem;
  font-weight: 600;
  color: var(--text);
}
.edu-card span {
  font-size: 1.3rem;
  color: var(--text-2);
}

/* ─── SERVICES / SKILLS ─────────────────────────── */
.services {
  padding: 10rem 8%;
  background: var(--bg);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(28rem, 1fr));
  gap: 2.5rem;
  margin-bottom: 5rem;
}

.skill-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 3.5rem;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}
.skill-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 3px;
  background: var(--mint);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}
.skill-card:hover::before { transform: scaleX(1); }
.skill-card:hover {
  border-color: var(--border-mint);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.skill-icon {
  width: 5.6rem;
  height: 5.6rem;
  border-radius: var(--radius-sm);
  background: var(--mint-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 2rem;
}
.skill-icon i {
  font-size: 2.8rem;
  color: var(--mint-dark);
}

.skill-card h3 {
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 1.2rem;
  color: var(--text);
}
.skill-card p {
  font-size: 1.5rem;
  color: var(--text-2);
  line-height: 1.7;
  margin-bottom: 2rem;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}
.tag {
  font-size: 1.2rem;
  font-weight: 600;
  padding: 0.4rem 1.1rem;
  border-radius: 10rem;
}
.tag-mint {
  background: var(--mint-light);
  color: #065f46;
  border: 1px solid #a7f3d0;
}
.tag-indigo {
  background: var(--indigo-light);
  color: var(--indigo-dark);
  border: 1px solid #c7d2fe;
}

.tools-row {
  text-align: center;
  border-top: 1px solid var(--border);
  padding-top: 4rem;
}
.tools-label {
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 2rem;
}
.tools-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.2rem;
}
.tool {
  font-size: 1.4rem;
  font-weight: 500;
  padding: 0.7rem 1.8rem;
  border: 1px solid var(--border);
  border-radius: 10rem;
  color: var(--text-2);
  background: var(--surface);
  transition: all 0.2s;
}
.tool:hover {
  border-color: var(--mint);
  color: var(--mint);
}

/* ─── PROJECTS ──────────────────────────────────── */
.project {
  padding: 10rem 8%;
  background: var(--surface);
}

.filter-tabs {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 5rem;
}
.filter-btn {
  font-family: 'DM Sans', sans-serif;
  font-size: 1.4rem;
  font-weight: 600;
  padding: 0.8rem 2rem;
  border-radius: 10rem;
  border: 1.5px solid var(--border);
  background: transparent;
  color: var(--text-2);
  cursor: pointer;
  transition: all 0.25s ease;
}
.filter-btn:hover,
.filter-btn.active {
  background: var(--mint);
  color: #fff;
  border-color: var(--mint);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(32rem, 1fr));
  gap: 2.8rem;
}

.project-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all 0.3s ease;
}
.project-card:hover {
  border-color: var(--border-mint);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}
.project-card.hidden { display: none; }

.project-img {
  position: relative;
  height: 20rem;
  overflow: hidden;
  background: var(--mint-light);
}
.project-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.project-card:hover .project-img img {
  transform: scale(1.04);
}
.placeholder-img {
  background: linear-gradient(135deg, var(--mint-light), var(--indigo-light));
}

.project-overlay {
  position: absolute;
  top: 1.2rem; right: 1.2rem;
}
.project-tag {
  font-size: 1.15rem;
  font-weight: 600;
  padding: 0.4rem 1rem;
  background: var(--surface);
  color: var(--mint-dark);
  border-radius: 10rem;
  border: 1px solid var(--border-mint);
}

.project-info {
  padding: 2.5rem;
}
.project-info h3 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text);
}
.project-info p {
  font-size: 1.45rem;
  color: var(--text-2);
  line-height: 1.7;
  margin-bottom: 2rem;
}

/* ─── CONTACT ───────────────────────────────────── */
.contact {
  padding: 10rem 8%;
  background: var(--bg);
}

.contact-sub {
  text-align: center;
  font-size: 1.7rem;
  color: var(--text-2);
  margin-top: -3rem;
  margin-bottom: 6rem;
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 6rem;
  max-width: 110rem;
  margin: 0 auto;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1.6rem;
}
.contact-item i {
  font-size: 2.4rem;
  color: var(--mint);
  flex-shrink: 0;
  margin-top: 0.2rem;
}
.contact-item strong {
  display: block;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.2rem;
}
.contact-item span {
  font-size: 1.4rem;
  color: var(--text-2);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.8rem;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.8rem;
}
.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 1.4rem 1.8rem;
  font-size: 1.5rem;
  font-family: 'DM Sans', sans-serif;
  color: var(--text);
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
  resize: vertical;
}
.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--mint);
  box-shadow: 0 0 0 3px rgba(16,185,129,0.12);
}
.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: var(--text-3);
}

/* ─── FOOTER ────────────────────────────────────── */
.footer {
  background: var(--text);
  padding: 5rem 8%;
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2.5rem;
}
.footer-logo { color: #fff; }
.footer-logo span { color: var(--mint); }

.footer-nav {
  display: flex;
  gap: 3rem;
  flex-wrap: wrap;
  justify-content: center;
}
.footer-nav a {
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--text-3);
  transition: color 0.2s;
}
.footer-nav a:hover { color: var(--mint); }

.footer-social a {
  border-color: rgba(255,255,255,0.2);
  color: #9CA3AF;
}
.footer-social a:hover {
  background: var(--mint);
  border-color: var(--mint);
  color: #fff;
}

.copyright {
  font-size: 1.3rem;
  color: var(--text-3);
}

/* ─── MOBILE RESPONSIVE ─────────────────────────── */
@media (max-width: 1100px) {
  .home {
    flex-direction: column-reverse;
    text-align: center;
    padding-top: 14rem;
    gap: 4rem;
  }
  .home-content { max-width: 100%; }
  .home-bio { margin: 0 auto 3rem; }
  .social-icons { justify-content: center; }
  .btn-group { justify-content: center; }
  .home-img img { width: 26rem; height: 26rem; }
  .about {
    flex-direction: column;
    text-align: center;
  }
  .about-img img { width: 100%; max-width: 40rem; height: 36rem; margin: 0 auto; }
  .traits { justify-content: center; }
  .contact-wrapper { grid-template-columns: 1fr; gap: 4rem; }
}

@media (max-width: 768px) {
  html { font-size: 56%; }
  #menu-icon { display: block; }
  .header-btn { display: none; }
  .navbar {
    position: absolute;
    top: 100%; right: 0;
    width: 60%;
    padding: 2rem 3rem;
    background: var(--surface);
    border-left: 1px solid var(--border-mint);
    border-bottom: 1px solid var(--border-mint);
    border-bottom-left-radius: 1.6rem;
    box-shadow: var(--shadow-lg);
    display: none;
    flex-direction: column;
  }
  .navbar.active { display: flex; }
  .navbar a {
    margin: 0;
    padding: 1.2rem 0;
    border-bottom: 1px solid var(--border);
    font-size: 1.7rem;
  }
  .navbar a:last-child { border-bottom: none; }
  .form-row { grid-template-columns: 1fr; }
  .skills-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .heading { font-size: 4rem; }
  .contact-wrapper { grid-template-columns: 1fr; }
}