/* ============================================================
   style.css — Alisha Sen Portfolio
   ============================================================
   TABLE OF CONTENTS
   1.  CSS Tokens (Colors, Radii, Transitions)
   2.  Reset & Base
   3.  Navigation
   4.  Layout Utilities
   5.  Buttons
   6.  Cards & Badges
   7.  Hero Section (home.html)
   8.  Skills Preview (home.html)
   9.  Projects Grid (home.html)
   10. CTA Section
   11. Page Hero (about / projects / contact)
   12. About Page
   13. Projects Full Page
   14. Contact Page
   15. Footer
   16. Scroll Reveal Animation
   17. Responsive Breakpoints
   ============================================================ */


/* ── 1. TOKENS ─────────────────────────────────────────────── */
:root {
  --accent:     #6C63FF;
  --teal:       #00D4AA;
  --accent-dim: rgba(108,99,255,.15);
  --teal-dim:   rgba(0,212,170,.12);
  --radius:     12px;
  --radius-lg:  20px;
  --trans:      .3s cubic-bezier(.4,0,.2,1);
}

[data-theme="dark"] {
  --bg:       #0A0F1E;
  --bg2:      #111827;
  --bg3:      #1a2235;
  --border:   rgba(255,255,255,.08);
  --text:     #E2E8F0;
  --text2:    #94A3B8;
  --text3:    #64748B;
  --nav-bg:   rgba(10,15,30,.85);
}

[data-theme="light"] {
  --bg:       #F8F9FF;
  --bg2:      #FFFFFF;
  --bg3:      #EEF2FF;
  --border:   rgba(0,0,0,.08);
  --text:     #1A202C;
  --text2:    #4A5568;
  --text3:    #94A3B8;
  --nav-bg:   rgba(248,249,255,.85);
}


/* ── 2. RESET & BASE ───────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  transition: background var(--trans), color var(--trans);
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; font-family: inherit; }
ul { list-style: none; }
.edit-note { font-size:.78rem; color:var(--text3); margin-top:12px; font-style:italic; }


/* ── 3. NAVIGATION ─────────────────────────────────────────── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: var(--nav-bg);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 0 5%;
  height: 68px;
  display: flex; align-items: center; justify-content: space-between;
  transition: background var(--trans), box-shadow var(--trans);
}
.nav-logo {
  font-family: 'Sora', sans-serif;
  font-weight: 700; font-size: 1.25rem;
  background: linear-gradient(135deg, var(--accent), var(--teal));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  letter-spacing: -.02em;
}
.nav-links { display: flex; gap: 8px; align-items: center; }
.nav-links a {
  padding: 8px 16px; border-radius: 8px;
  font-size: .875rem; font-weight: 500; color: var(--text2);
  transition: color var(--trans), background var(--trans);
}
.nav-links a:hover, .nav-links a.active { color: var(--text); background: var(--accent-dim); }
.nav-links a.active { color: var(--accent); }
.nav-right { display: flex; align-items: center; gap: 12px; }
.theme-toggle {
  width: 40px; height: 40px; border-radius: 10px;
  border: 1px solid var(--border); background: var(--bg2);
  color: var(--text2); display: flex; align-items: center; justify-content: center;
  font-size: .9rem; transition: all var(--trans);
}
.theme-toggle:hover { color: var(--accent); border-color: var(--accent); }
.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; padding: 8px; }
.hamburger span { width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: all var(--trans); display: block; }
.mobile-menu {
  display: none; position: fixed; top: 68px; left: 0; right: 0; z-index: 99;
  background: var(--nav-bg); backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border); padding: 16px 5%;
  flex-direction: column; gap: 4px;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  padding: 12px 16px; border-radius: 8px;
  font-size: .9rem; font-weight: 500; color: var(--text2);
  transition: all var(--trans);
}
.mobile-menu a:hover, .mobile-menu a.active { color: var(--accent); background: var(--accent-dim); }


/* ── 4. LAYOUT UTILITIES ───────────────────────────────────── */
.container { max-width: 1100px; margin: 0 auto; padding: 0 5%; }
section { padding: 90px 0; }
.section-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .75rem; font-weight: 600; letter-spacing: .12em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 12px;
}
.section-eyebrow::before { content: ''; width: 24px; height: 2px; background: var(--accent); border-radius: 2px; }
.section-title {
  font-family: 'Sora', sans-serif;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700; line-height: 1.2; letter-spacing: -.03em; margin-bottom: 16px;
}
.section-sub { color: var(--text2); font-size: 1rem; max-width: 560px; line-height: 1.7; }
.divider { border: none; border-top: 1px solid var(--border); margin: 0; }
.dot-bg {
  position: absolute; inset: 0; z-index: 0;
  background-image: radial-gradient(circle, var(--text3) 1px, transparent 1px);
  background-size: 32px 32px; opacity: .18; pointer-events: none;
}


/* ── 5. BUTTONS ────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 28px; border-radius: 10px;
  font-size: .9rem; font-weight: 600; border: none;
  transition: all var(--trans); white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent), #8B5CF6);
  color: #fff; box-shadow: 0 4px 20px rgba(108,99,255,.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(108,99,255,.5); }
.btn-outline { background: transparent; color: var(--text); border: 1.5px solid var(--border); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-dim); }
.btn-sm { padding: 8px 18px; font-size: .8rem; }


/* ── 6. BADGES ─────────────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 4px 12px; border-radius: 20px;
  font-size: .75rem; font-weight: 500;
  background: var(--accent-dim); color: var(--accent);
  border: 1px solid rgba(108,99,255,.2);
}
.badge-teal { background: var(--teal-dim) !important; color: var(--teal) !important; border-color: rgba(0,212,170,.2) !important; }
.badge-neutral { background: var(--bg3) !important; color: var(--text2) !important; border-color: var(--border) !important; }


/* ── 7. HERO ───────────────────────────────────────────────── */
.hero {
  position: relative; min-height: 100vh; padding-top: 68px;
  display: flex; align-items: center; overflow: hidden;
}
.hero::after {
  content: ''; position: absolute; inset: 0; z-index: 0;
  background:
    radial-gradient(ellipse 60% 50% at 70% 40%, rgba(108,99,255,.18) 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 20% 70%, rgba(0,212,170,.10) 0%, transparent 60%);
}
.hero-inner {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 60px; align-items: center; width: 100%;
}
.hero-status {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px; border-radius: 20px;
  border: 1px solid rgba(0,212,170,.3); background: rgba(0,212,170,.08);
  font-size: .78rem; font-weight: 500; color: var(--teal); margin-bottom: 24px;
}
.hero-status .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--teal); animation: pulse 2s infinite; }
@keyframes pulse { 0%,100% { opacity:1 } 50% { opacity:.4 } }
.hero-title {
  font-family: 'Sora', sans-serif;
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 800; line-height: 1.1; letter-spacing: -.04em; margin-bottom: 16px;
}
.hero-title span {
  background: linear-gradient(135deg, var(--accent), var(--teal));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.hero-role {
  font-family: 'JetBrains Mono', monospace; font-size: .9rem; color: var(--accent);
  margin-bottom: 20px; display: flex; align-items: center; gap: 8px;
}
.hero-role::before { content: '>'; color: var(--teal); }
.hero-desc { font-size: 1.05rem; color: var(--text2); line-height: 1.75; margin-bottom: 36px; max-width: 480px; }
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 32px; margin-top: 48px; padding-top: 32px; border-top: 1px solid var(--border); }
.stat-num {
  font-family: 'Sora', sans-serif; font-size: 1.75rem; font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--teal));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.stat-label { font-size: .78rem; color: var(--text3); font-weight: 500; margin-top: 2px; }
.hero-visual { display: flex; justify-content: center; align-items: center; }
.profile-card {
  position: relative; width: 340px;
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 24px; padding: 36px 28px; text-align: center;
  box-shadow: 0 24px 80px rgba(0,0,0,.25);
}
.profile-card::before {
  content: ''; position: absolute; inset: -1px; border-radius: 25px;
  background: linear-gradient(135deg, rgba(108,99,255,.4), rgba(0,212,170,.2), transparent 60%);
  z-index: -1;
}
.profile-img {
  width: 110px; height: 110px; border-radius: 50%; margin: 0 auto 18px;
  background: linear-gradient(135deg, var(--accent), var(--teal));
  display: flex; align-items: center; justify-content: center;
  font-size: 2.5rem; color: #fff; font-weight: 700; font-family: 'Sora', sans-serif;
  border: 3px solid var(--bg2); box-shadow: 0 0 0 4px rgba(108,99,255,.3); overflow: hidden;
}
.profile-img img { width: 100%; height: 100%; object-fit: cover; border-radius: 50%; }
.profile-name { font-family: 'Sora', sans-serif; font-weight: 700; font-size: 1.2rem; margin-bottom: 4px; }
.profile-title { font-size: .8rem; color: var(--teal); font-weight: 500; margin-bottom: 20px; font-family: 'JetBrains Mono', monospace; }
.profile-tags { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-bottom: 20px; }
.profile-location { font-size: .8rem; color: var(--text3); display: flex; align-items: center; justify-content: center; gap: 6px; }
.code-snippet {
  margin-top: 20px; background: var(--bg3); border-radius: 10px; padding: 14px 16px;
  text-align: left; font-family: 'JetBrains Mono', monospace;
  font-size: .72rem; color: var(--text2); line-height: 1.7; border: 1px solid var(--border);
}
.code-comment { color: var(--text3); }
.code-key { color: #f9c74f; }
.code-val { color: var(--teal); }


/* ── 8. SKILLS PREVIEW ─────────────────────────────────────── */
.skills-preview { background: var(--bg2); padding: 90px 0; }
.skills-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  gap: 16px; margin-top: 48px;
}
.skill-chip {
  background: var(--bg3); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px 16px; display: flex; flex-direction: column; align-items: center; gap: 10px;
  font-size: .82rem; font-weight: 500; color: var(--text2);
  transition: all var(--trans); cursor: default;
}
.skill-chip:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-dim); transform: translateY(-4px); }
.skill-chip i { font-size: 1.6rem; }
.ic-python { color: #3776AB; } .ic-html { color: #E34F26; } .ic-css { color: #1572B6; }
.ic-js { color: #F7DF1E; } .ic-bootstrap { color: #7952B3; } .ic-mysql { color: #00758F; }
.ic-git { color: #F05032; } .ic-github { color: var(--text); } .ic-figma { color: #F24E1E; }
.ic-django { color: #092E20; }


/* ── 9. PROJECTS GRID ──────────────────────────────────────── */
.projects-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
    gap:24px;
}

.project-card{
    background:#fff;
    border-radius:16px;
    overflow:hidden;
    box-shadow:0 10px 25px rgba(0,0,0,0.08);
    transition:0.3s;
}

.project-card:hover{
    transform:translateY(-5px);
}

.project-card img{
    width:100%;
    height:220px;
    object-fit:cover;
}

.project-content{
    padding:20px;
}

.project-content h3{
    margin-bottom:10px;
}

.project-content p{
    margin-bottom:15px;
    color:#666;
}

.btn-sm{
    display:inline-block;
    padding:8px 14px;
    border-radius:8px;
    text-decoration:none;
}

/* ── 10. CTA ───────────────────────────────────────────────── */
.cta-section {
  background: linear-gradient(135deg, rgba(108,99,255,.12), rgba(0,212,170,.08));
  border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
  padding: 90px 0; text-align: center;
}
.cta-btns { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-top: 32px; }


/* ── 11. PAGE HERO ─────────────────────────────────────────── */
.page-hero {
  padding: 120px 0 80px; border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, var(--accent-dim) 0%, transparent 100%);
  text-align: center;
}
.page-hero-teal { background: linear-gradient(180deg, var(--teal-dim) 0%, transparent 100%); }
.page-hero-title {
  font-family: 'Sora', sans-serif; font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800; letter-spacing: -.04em; margin-bottom: 16px;
}


/* ── 12. ABOUT PAGE ────────────────────────────────────────── */
.about-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 60px; align-items: start; padding: 80px 0; }
.about-portrait {
  position: sticky; top: 100px; background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 32px; text-align: center;
}
.about-avatar {
  width: 130px; height: 130px; border-radius: 50%; margin: 0 auto 20px;
  background: linear-gradient(135deg, var(--accent), var(--teal));
  display: flex; align-items: center; justify-content: center;
  font-family: 'Sora', sans-serif; font-size: 3rem; font-weight: 700; color: #fff;
  box-shadow: 0 0 0 6px rgba(108,99,255,.2); overflow: hidden;
}
.about-avatar img { width: 100%; height: 100%; object-fit: cover; border-radius: 50%; }
.about-name { font-family: 'Sora', sans-serif; font-weight: 700; font-size: 1.3rem; margin-bottom: 4px; }
.about-role { font-size: .82rem; color: var(--teal); font-family: 'JetBrains Mono', monospace; margin-bottom: 16px; }
.info-row {
  display: flex; align-items: center; gap: 10px; padding: 10px 0;
  border-bottom: 1px solid var(--border); font-size: .85rem; color: var(--text2);
}
.info-row:last-child { border-bottom: none; }
.info-row i { color: var(--accent); width: 16px; text-align: center; font-size: .85rem; }
.about-section { margin-bottom: 56px; }
.about-section .section-title { font-size: 1.5rem; margin-bottom: 16px; }
.about-text { color: var(--text2); line-height: 1.8; font-size: .95rem; }
.about-text + .about-text { margin-top: 12px; }
.edu-card {
  background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 28px; display: flex; gap: 20px; align-items: flex-start; transition: all var(--trans);
}
.edu-card:hover { border-color: rgba(108,99,255,.4); }
.edu-icon {
  width: 48px; height: 48px; border-radius: 12px; flex-shrink: 0;
  background: linear-gradient(135deg, var(--accent), #8B5CF6);
  display: flex; align-items: center; justify-content: center; font-size: 1.2rem; color: #fff;
}
.edu-degree { font-family: 'Sora', sans-serif; font-weight: 600; font-size: 1rem; margin-bottom: 4px; }
.edu-uni { color: var(--teal); font-size: .85rem; font-weight: 500; margin-bottom: 6px; }
.edu-meta { font-size: .8rem; color: var(--text3); }
.skills-cats { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.skill-cat { background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 24px; }
.skill-cat-title {
  font-family: 'Sora', sans-serif; font-size: .9rem; font-weight: 600;
  color: var(--accent); margin-bottom: 16px; display: flex; align-items: center; gap: 8px;
}
.skill-cat-title i { font-size: .85rem; }
.skill-pills { display: flex; flex-wrap: wrap; gap: 8px; }
.skill-pill {
  padding: 6px 14px; border-radius: 20px; font-size: .78rem; font-weight: 500;
  background: var(--bg3); color: var(--text2); border: 1px solid var(--border); transition: all var(--trans);
}
.skill-pill:hover { background: var(--accent-dim); color: var(--accent); border-color: rgba(108,99,255,.3); }
.cert-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.cert-card {
  background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px; display: flex; gap: 14px; align-items: flex-start; transition: all var(--trans);
}
.cert-card:hover { border-color: rgba(0,212,170,.4); }
.cert-icon {
  width: 40px; height: 40px; border-radius: 10px; flex-shrink: 0;
  background: var(--teal-dim); display: flex; align-items: center; justify-content: center;
  font-size: 1rem; color: var(--teal);
}
.cert-name { font-weight: 600; font-size: .88rem; margin-bottom: 3px; }
.cert-org { font-size: .78rem; color: var(--text3); }
.ach-list { display: flex; flex-direction: column; gap: 14px; }
.ach-item {
  display: flex; gap: 14px; align-items: flex-start;
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px 20px; transition: all var(--trans);
}
.ach-item:hover { border-color: rgba(108,99,255,.35); background: var(--accent-dim); }
.ach-icon { color: var(--accent); font-size: 1rem; margin-top: 2px; flex-shrink: 0; }
.ach-text { font-size: .9rem; color: var(--text2); line-height: 1.6; }


/* ── 13. PROJECTS FULL ─────────────────────────────────────── */
.projects-full-grid { display: grid; grid-template-columns: 1fr; gap: 32px; padding: 70px 0; }
.project-full-card {
  background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius-lg);
  overflow: hidden; display: grid; grid-template-columns: 280px 1fr; transition: all var(--trans);
}
.project-full-card:hover { border-color: rgba(108,99,255,.4); box-shadow: 0 20px 60px rgba(108,99,255,.12); }
.project-full-img {
  background: linear-gradient(135deg, var(--bg3), var(--bg));
  display: flex; align-items: center; justify-content: center;
  font-size: 4rem; border-right: 1px solid var(--border);
  min-height: 240px; overflow: hidden;
}
.project-full-img img { width: 100%; height: 100%; object-fit: cover; }
.project-full-body { padding: 36px; }
.project-num { font-family: 'JetBrains Mono', monospace; font-size: .75rem; color: var(--text3); margin-bottom: 8px; }
.project-full-title { font-family: 'Sora', sans-serif; font-weight: 700; font-size: 1.35rem; margin-bottom: 12px; }
.project-full-desc { font-size: .9rem; color: var(--text2); line-height: 1.75; margin-bottom: 20px; }
.project-features { margin-bottom: 20px; }
.project-features h4 { font-size: .8rem; font-weight: 600; color: var(--text3); text-transform: uppercase; letter-spacing: .08em; margin-bottom: 10px; }
.feature-list { display: flex; flex-direction: column; gap: 7px; }
.feature-item { display: flex; align-items: center; gap: 8px; font-size: .85rem; color: var(--text2); }
.feature-item i { color: var(--teal); font-size: .75rem; flex-shrink: 0; }
.project-tech { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.project-actions-row { display: flex; gap: 12px; flex-wrap: wrap; }


/* ── 14. CONTACT PAGE ──────────────────────────────────────── */
.contact-layout { display: grid; grid-template-columns: 1fr 1.3fr; gap: 50px; padding: 70px 0; }
.contact-card {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 32px; margin-bottom: 20px;
}
.contact-card-highlight {
  background: linear-gradient(135deg, rgba(108,99,255,.15), rgba(0,212,170,.08));
  border-color: rgba(108,99,255,.3);
}
.contact-title { font-family: 'Sora', sans-serif; font-weight: 600; font-size: 1rem; margin-bottom: 20px; }
.contact-item { display: flex; align-items: center; gap: 14px; padding: 12px 0; border-bottom: 1px solid var(--border); }
.contact-item:last-child { border-bottom: none; }
.contact-item-icon {
  width: 38px; height: 38px; border-radius: 10px; flex-shrink: 0;
  background: var(--accent-dim); display: flex; align-items: center; justify-content: center;
  font-size: .9rem; color: var(--accent);
}
.contact-item-label { font-size: .75rem; color: var(--text3); margin-bottom: 2px; }
.contact-item-val { font-size: .88rem; font-weight: 500; }
.social-links { display: flex; gap: 12px; flex-wrap: wrap; }
.social-btn {
  display: flex; align-items: center; gap: 8px; padding: 10px 18px; border-radius: 10px;
  background: var(--bg3); border: 1px solid var(--border);
  font-size: .82rem; font-weight: 500; color: var(--text2); transition: all var(--trans);
}
.social-btn:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-dim); }
.social-btn i { font-size: .95rem; }
.form-card { background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 36px; }
.form-title { font-family: 'Sora', sans-serif; font-weight: 700; font-size: 1.3rem; margin-bottom: 8px; }
.form-sub { font-size: .88rem; color: var(--text2); margin-bottom: 28px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 18px; }
.form-label { display: block; font-size: .8rem; font-weight: 600; color: var(--text2); margin-bottom: 8px; letter-spacing: .04em; }
.form-input, .form-textarea {
  width: 100%; background: var(--bg3); border: 1.5px solid var(--border); border-radius: 10px;
  padding: 12px 16px; color: var(--text); font-family: 'Inter', sans-serif; font-size: .9rem;
  transition: all var(--trans); resize: none; outline: none;
}
.form-input:focus, .form-textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(108,99,255,.15); }
.form-textarea { height: 130px; }
.form-success {
  display: none; text-align: center; padding: 24px;
  background: var(--teal-dim); border-radius: 12px;
  color: var(--teal); font-weight: 500; margin-top: 8px;
}
.form-success i { font-size: 1.5rem; margin-bottom: 8px; display: block; }


/* ── 15. FOOTER ────────────────────────────────────────────── */
footer { border-top: 1px solid var(--border); padding: 40px 0; background: var(--bg2); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
.footer-logo { font-family: 'Sora', sans-serif; font-weight: 700; font-size: 1rem; color: var(--accent); }
.footer-copy { font-size: .82rem; color: var(--text3); }
.footer-links { display: flex; gap: 16px; }
.footer-links a { font-size: 1rem; color: var(--text3); transition: color var(--trans); }
.footer-links a:hover { color: var(--accent); }


/* ── 16. SCROLL REVEAL ─────────────────────────────────────── */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }


/* ── 17. RESPONSIVE ────────────────────────────────────────── */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .hero-visual { order: -1; }
  .hero-desc { margin: 0 auto 36px; }
  .hero-btns { justify-content: center; }
  .hero-stats { justify-content: center; }
  .profile-card { width: 280px; }
  .about-grid { grid-template-columns: 1fr; }
  .about-portrait { position: static; }
  .project-full-card { grid-template-columns: 1fr; }
  .project-full-img { min-height: 160px; border-right: none; border-bottom: 1px solid var(--border); }
  .contact-layout { grid-template-columns: 1fr; }
  .skills-cats { grid-template-columns: 1fr; }
  .cert-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .projects-grid { grid-template-columns: 1fr; }
  .hero-stats { gap: 20px; }
  section { padding: 60px 0; }
  .skills-preview { padding: 60px 0; }
  .footer-inner { flex-direction: column; text-align: center; }
  .project-full-body { padding: 24px; }
}