/* =============================================
   PRIYANSHU PORTFOLIO — MAIN STYLESHEET
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800&family=Inter:wght@300;400;500;600&display=swap');

/* ─── CSS VARIABLES ─────────────────────────── */
:root {
  --blue:           #4f8ef7;
  --blue-dark:      #2563eb;
  --purple:         #8b5cf6;
  --purple-dark:    #6d28d9;
  --gradient:       linear-gradient(135deg, var(--blue), var(--purple));
  --bg:             #0a0a0f;
  --bg2:            #10101a;
  --bg3:            #15152a;
  --card:           #13131f;
  --border:         rgba(255,255,255,0.07);
  --white:          #ffffff;
  --gray-100:       #f1f5f9;
  --gray-400:       #94a3b8;
  --gray-600:       #475569;
  --shadow:         0 8px 32px rgba(0,0,0,0.4);
  --nav-bg:         rgba(10,10,15,0.88);
  --nav-mobile-bg:  rgba(10,10,15,0.97);
  --nav-link-hover: rgba(255,255,255,0.04);
  --nav-shadow:     0 4px 24px rgba(0,0,0,0.3);
  --tech-bg:        rgba(255,255,255,0.05);
  --radius:         14px;
  --radius-sm:      8px;
  --font-head:      'Poppins', sans-serif;
  --font-body:      'Inter', sans-serif;
  --transition:     0.3s ease;
}

[data-theme="light"] {
  --bg:             #f8fafc;
  --bg2:            #f1f5f9;
  --bg3:            #e2e8f0;
  --card:           #ffffff;
  --border:         rgba(0,0,0,0.08);
  --white:          #0f172a;
  --gray-100:       #334155;
  --gray-400:       #475569;
  --gray-600:       #94a3b8;
  --shadow:         0 8px 32px rgba(0,0,0,0.06);
  --nav-bg:         rgba(248,250,252,0.88);
  --nav-mobile-bg:  rgba(248,250,252,0.97);
  --nav-link-hover: rgba(0,0,0,0.04);
  --nav-shadow:     0 4px 24px rgba(0,0,0,0.08);
  --tech-bg:        rgba(0,0,0,0.05);
}

/* ─── RESET ──────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
  transition: background 0.4s ease, color 0.4s ease;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

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

/* ─── UTILITY ────────────────────────────────── */
.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }
.section { padding: 96px 0; }
.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--blue);
  background: rgba(79,142,247,0.1);
  border: 1px solid rgba(79,142,247,0.2);
  padding: 5px 14px;
  border-radius: 20px;
  margin-bottom: 16px;
}
.section-title {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 16px;
}
.section-title span { background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.section-desc { color: var(--gray-400); font-size: 1.05rem; max-width: 560px; }
.section-header { text-align: center; margin-bottom: 60px; }
.section-header .section-desc { margin: 0 auto; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
}
.btn-primary {
  background: var(--gradient);
  color: var(--white);
  box-shadow: 0 4px 20px rgba(79,142,247,0.3);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(79,142,247,0.45); }
.btn-outline {
  border: 1.5px solid var(--border);
  color: var(--gray-100);
  background: transparent;
}
.btn-outline:hover { border-color: var(--blue); color: var(--blue); background: rgba(79,142,247,0.07); }
.btn-resume {
  border: 1.5px solid rgba(139,92,246,0.4);
  color: var(--gray-100);
  background: rgba(139,92,246,0.08);
  font-size: 0.875rem;
}
.btn-resume:hover { border-color: var(--purple); color: var(--white); background: rgba(139,92,246,0.18); transform: translateY(-2px); }
.nav-cta + .nav-cta { margin-left: 8px; }

/* ─── NAVBAR ─────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0;
  transition: background var(--transition), box-shadow var(--transition), padding var(--transition);
}
.navbar.scrolled {
  background: var(--nav-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--border), var(--nav-shadow);
}

/* Three-column layout: logo | links | cta */
.nav-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  height: 70px;
  gap: 0;
}

/* LEFT — Logo */
.nav-logo {
  display: inline-flex;
  align-items: center;
  gap: 0;
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--white);
  transition: opacity var(--transition);
  text-decoration: none;
  white-space: nowrap;
}
.nav-logo:hover { opacity: 0.85; }
.nav-logo-first {
  color: var(--white);
}
.nav-logo-last {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* CENTER — Nav Links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  list-style: none;
}
.nav-links a {
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--gray-400);
  padding: 6px 12px;
  border-radius: 6px;
  transition: color var(--transition), background var(--transition);
  position: relative;
  white-space: nowrap;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 12px; right: 12px;
  height: 2px;
  background: var(--gradient);
  border-radius: 2px;
  transform: scaleX(0);
  transition: transform var(--transition);
  transform-origin: center;
}
.nav-links a:hover { color: var(--white); background: var(--nav-link-hover); }
.nav-links a:hover::after { transform: scaleX(1); }
.nav-links a.active { color: var(--white); }
.nav-links a.active::after { transform: scaleX(1); }

/* RIGHT — Resume + Hamburger */
.nav-right {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
}

/* Theme Toggle */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  color: var(--gray-400);
  background: transparent;
  transition: var(--transition);
  margin-right: 4px;
  position: relative;
}
.theme-toggle:hover {
  color: var(--white);
  background: var(--nav-link-hover);
}
.theme-toggle .sun-icon,
.theme-toggle .moon-icon {
  position: absolute;
  transition: opacity 0.4s ease, transform 0.4s ease;
}
.theme-toggle .moon-icon {
  opacity: 0;
  transform: rotate(90deg);
}
.theme-toggle .sun-icon {
  opacity: 1;
  transform: rotate(0);
}
[data-theme="light"] .theme-toggle .moon-icon {
  opacity: 1;
  transform: rotate(0);
}
[data-theme="light"] .theme-toggle .sun-icon {
  opacity: 0;
  transform: rotate(-90deg);
}

/* Resume button — compact, premium */
.btn-resume {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 18px;
  font-size: 0.825rem;
  font-weight: 600;
  border-radius: 7px;
  border: 1.5px solid rgba(139,92,246,0.35);
  color: var(--gray-100);
  background: rgba(139,92,246,0.07);
  transition: var(--transition);
  white-space: nowrap;
  font-family: var(--font-body);
  cursor: pointer;
  text-decoration: none;
}
.btn-resume:hover {
  border-color: var(--purple);
  color: var(--white);
  background: rgba(139,92,246,0.16);
  box-shadow: 0 0 18px rgba(139,92,246,0.2);
  transform: translateY(-1px);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  padding: 6px;
  background: none;
  border: none;
  cursor: pointer;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--gray-400);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger:hover span { background: var(--white); }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); background: var(--white); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); background: var(--white); }

/* Mobile nav */
.nav-mobile {
  display: none;
  position: fixed;
  top: 70px; left: 0; right: 0;
  background: var(--nav-mobile-bg);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border);
  padding: 20px 24px 28px;
  flex-direction: column;
  gap: 4px;
  z-index: 999;
  animation: slideDown 0.25s ease;
}
@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to   { opacity: 1; transform: translateY(0); }
}
.nav-mobile.open { display: flex; }
.nav-mobile a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--gray-400);
  padding: 12px 8px;
  border-bottom: 1px solid var(--border);
  transition: color var(--transition), padding var(--transition);
  text-decoration: none;
}
.nav-mobile a:last-of-type { border-bottom: none; }
.nav-mobile a:hover { color: var(--white); padding-left: 14px; }
.nav-mobile-resume {
  margin-top: 12px;
  display: inline-flex !important;
  align-items: center;
  gap: 8px;
  padding: 11px 18px !important;
  border-radius: 8px;
  background: rgba(139,92,246,0.1);
  border: 1.5px solid rgba(139,92,246,0.3) !important;
  color: var(--gray-100) !important;
  font-weight: 600 !important;
  width: fit-content;
  border-bottom: none !important;
}
.nav-mobile-resume:hover { background: rgba(139,92,246,0.2) !important; color: var(--white) !important; }

/* ─── HERO ───────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}
.hero::before {
  content: '';
  position: absolute;
  top: -200px; right: -200px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(79,142,247,0.12) 0%, transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -100px; left: -100px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(139,92,246,0.1) 0%, transparent 70%);
  pointer-events: none;
}
.hero-inner {
  display: flex;
  align-items: center;
  gap: 60px;
  width: 100%;
}
.hero-content { flex: 1; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(79,142,247,0.08);
  border: 1px solid rgba(79,142,247,0.2);
  border-radius: 20px;
  padding: 6px 16px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--blue);
  margin-bottom: 24px;
}
.hero-badge::before { content: ''; width: 8px; height: 8px; background: var(--blue); border-radius: 50%; animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:0.5;transform:scale(1.3)} }

.hero-name {
  font-family: var(--font-head);
  font-size: clamp(2.6rem, 6vw, 4.2rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 12px;
}
.hero-name span { background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-role {
  font-size: clamp(1rem, 2.5vw, 1.3rem);
  font-weight: 500;
  color: var(--gray-400);
  margin-bottom: 20px;
}
.hero-role strong { color: var(--white); }
.hero-intro {
  font-size: 1.05rem;
  color: var(--gray-400);
  max-width: 480px;
  margin-bottom: 36px;
  line-height: 1.8;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 44px; }
.hero-socials { display: flex; align-items: center; gap: 14px; }
.hero-socials span { font-size: 0.8rem; color: var(--gray-600); }
.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  color: var(--gray-400);
  transition: var(--transition);
}
.social-link:hover { border-color: var(--blue); color: var(--blue); background: rgba(79,142,247,0.08); transform: translateY(-2px); }

.hero-visual { flex-shrink: 0; display: flex; justify-content: center; }
.avatar-wrap {
  position: relative;
  width: 320px; height: 320px;
}
.avatar-ring {
  position: absolute;
  inset: -14px;
  border-radius: 50%;
  background: conic-gradient(var(--blue), var(--purple), var(--blue));
  animation: spin 8s linear infinite;
  padding: 3px;
}
.avatar-ring::before {
  content: '';
  position: absolute;
  inset: 3px;
  background: var(--bg);
  border-radius: 50%;
}
@keyframes spin { to { transform: rotate(360deg); } }
.avatar-img {
  position: relative;
  width: 100%; height: 100%;
  border-radius: 50%;
  overflow: hidden;
  background: var(--bg3);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
  border: 4px solid var(--bg);
}
.avatar-placeholder {
  width: 100%; height: 100%;
  background: linear-gradient(135deg, var(--bg3), var(--bg2));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 6rem;
}
.avatar-badge {
  position: absolute;
  bottom: 16px; right: -10px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--white);
  box-shadow: var(--shadow);
  z-index: 2;
}
.avatar-badge .dot { width: 8px; height: 8px; background: #22c55e; border-radius: 50%; }

/* scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: var(--gray-600);
  font-size: 0.75rem;
}
.scroll-mouse {
  width: 24px; height: 38px;
  border: 2px solid var(--gray-600);
  border-radius: 12px;
  display: flex;
  justify-content: center;
  padding-top: 6px;
}
.scroll-wheel {
  width: 3px; height: 8px;
  background: var(--blue);
  border-radius: 2px;
  animation: scrollDown 2s infinite;
}
@keyframes scrollDown { 0%{transform:translateY(0);opacity:1} 100%{transform:translateY(12px);opacity:0} }

/* ─── ABOUT ──────────────────────────────────── */
.about { background: var(--bg2); }
.about-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: center; }
.about-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.about-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  transition: var(--transition);
}
.about-card:hover { border-color: rgba(79,142,247,0.3); transform: translateY(-3px); box-shadow: 0 12px 30px rgba(0,0,0,0.3); }
.about-card-icon { font-size: 1.6rem; margin-bottom: 10px; }
.about-card h4 { font-family: var(--font-head); font-size: 0.95rem; font-weight: 600; margin-bottom: 4px; }
.about-card p { font-size: 0.82rem; color: var(--gray-400); }
.about-text p { color: var(--gray-400); font-size: 1rem; line-height: 1.85; margin-bottom: 24px; }

/* ─── SKILLS ─────────────────────────────────── */
.skills-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; }
.skill-category {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: var(--transition);
}
.skill-category:hover { border-color: rgba(79,142,247,0.25); box-shadow: 0 8px 24px rgba(0,0,0,0.3); }
.skill-cat-header { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; }
.skill-cat-icon { font-size: 1.4rem; }
.skill-cat-title { font-family: var(--font-head); font-size: 1rem; font-weight: 600; }
.skill-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.skill-tag {
  padding: 5px 13px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
  background: rgba(79,142,247,0.08);
  border: 1px solid rgba(79,142,247,0.15);
  color: var(--gray-100);
  transition: var(--transition);
}
.skill-tag:hover { background: rgba(79,142,247,0.18); border-color: var(--blue); color: var(--white); }

/* ─── PROJECTS ───────────────────────────────── */
.projects { background: var(--bg2); }
.projects-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(330px, 1fr)); gap: 28px; }
.project-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.project-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gradient);
  transform: scaleX(0);
  transition: transform var(--transition);
}
.project-card:hover { border-color: rgba(79,142,247,0.3); transform: translateY(-5px); box-shadow: 0 20px 50px rgba(0,0,0,0.4); }
.project-card:hover::before { transform: scaleX(1); }
.project-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; }
.project-status {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 20px;
  white-space: nowrap;
  flex-shrink: 0;
}
.status-building { background: rgba(234,179,8,0.1); border: 1px solid rgba(234,179,8,0.25); color: #eab308; }
.status-planned  { background: rgba(139,92,246,0.1); border: 1px solid rgba(139,92,246,0.25); color: var(--purple); }
.project-title { font-family: var(--font-head); font-size: 1.1rem; font-weight: 700; line-height: 1.3; }
.project-desc { font-size: 0.9rem; color: var(--gray-400); line-height: 1.75; }
.project-tech { display: flex; flex-wrap: wrap; gap: 7px; }
.tech-tag {
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 5px;
  background: var(--tech-bg);
  border: 1px solid var(--border);
  color: var(--gray-400);
}
.project-learned h5 { font-size: 0.82rem; font-weight: 600; color: var(--gray-400); margin-bottom: 8px; text-transform: uppercase; letter-spacing: 0.5px; }
.project-learned ul { display: flex; flex-direction: column; gap: 4px; }
.project-learned li {
  font-size: 0.83rem;
  color: var(--gray-400);
  padding-left: 14px;
  position: relative;
}
.project-learned li::before { content: '→'; position: absolute; left: 0; color: var(--blue); font-size: 0.75rem; }
.project-actions { display: flex; gap: 10px; margin-top: auto; }
.project-actions .btn { padding: 9px 18px; font-size: 0.82rem; flex: 1; justify-content: center; }

/* ─── TRAINING ───────────────────────────────── */
.training-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.training-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.training-card:hover { border-color: rgba(79,142,247,0.3); transform: translateY(-3px); box-shadow: 0 12px 30px rgba(0,0,0,0.3); }
.training-icon { font-size: 2rem; }
.training-card h3 { font-family: var(--font-head); font-size: 1.05rem; font-weight: 600; }
.training-card p { font-size: 0.88rem; color: var(--gray-400); line-height: 1.75; }
.training-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  color: #22c55e;
  background: rgba(34,197,94,0.08);
  border: 1px solid rgba(34,197,94,0.2);
  padding: 4px 10px;
  border-radius: 20px;
  width: fit-content;
}

/* ─── INTERESTS ──────────────────────────────── */
.interests { background: var(--bg2); }
.interests-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.interest-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: var(--transition);
  text-align: center;
}
.interest-card:hover { border-color: rgba(139,92,246,0.3); transform: translateY(-4px); box-shadow: 0 16px 40px rgba(0,0,0,0.3); }
.interest-icon { font-size: 2.8rem; margin-bottom: 18px; }
.interest-card h3 { font-family: var(--font-head); font-size: 1.05rem; font-weight: 600; margin-bottom: 10px; }
.interest-card p { font-size: 0.88rem; color: var(--gray-400); line-height: 1.75; }

/* ─── CONTACT ────────────────────────────────── */
.contact-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.contact-info { display: flex; flex-direction: column; gap: 20px; }
.contact-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
  text-decoration: none;
  color: var(--white);
}
.contact-item:hover { border-color: rgba(79,142,247,0.3); transform: translateX(4px); }
.contact-item-icon {
  width: 46px; height: 46px;
  background: var(--gradient);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}
.contact-item h4 { font-size: 0.85rem; font-weight: 600; margin-bottom: 2px; }
.contact-item p { font-size: 0.82rem; color: var(--gray-400); }

/* contact form */
.contact-form { display: flex; flex-direction: column; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 7px; }
.form-group label { font-size: 0.82rem; font-weight: 500; color: var(--gray-400); }
.form-group input,
.form-group textarea {
  background: var(--card);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.9rem;
  transition: border-color var(--transition);
  outline: none;
  resize: none;
}
.form-group input:focus,
.form-group textarea:focus { border-color: var(--blue); background: rgba(79,142,247,0.04); }
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--gray-600); }
.form-group textarea { height: 130px; }
.contact-form .btn { align-self: flex-start; }

/* ─── FOOTER ─────────────────────────────────── */
.footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 36px 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-logo { font-family: var(--font-head); font-weight: 700; font-size: 1.1rem; }
.footer-logo span { background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.footer-copy { font-size: 0.82rem; color: var(--gray-600); }
.footer-socials { display: flex; gap: 10px; }

/* ─── ENTRANCE ANIMATIONS ────────────────────── */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible { opacity: 1; transform: translateY(0); }
.fade-up-delay-1 { transition-delay: 0.1s; }
.fade-up-delay-2 { transition-delay: 0.2s; }
.fade-up-delay-3 { transition-delay: 0.3s; }
.fade-up-delay-4 { transition-delay: 0.4s; }

/* ─── RESPONSIVE ─────────────────────────────── */
@media (max-width: 1024px) {
  .about-inner { grid-template-columns: 1fr; gap: 48px; }
  .contact-inner { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .section { padding: 72px 0; }
  /* hide nav links, show hamburger */
  .nav-links { display: none; }
  .hamburger { display: flex; }
  /* keep resume btn visible on tablet, hide on very small */
  .hero-inner { flex-direction: column-reverse; text-align: center; gap: 40px; }
  .hero-intro { margin: 0 auto 32px; }
  .hero-actions { justify-content: center; }
  .hero-socials { justify-content: center; }
  .avatar-wrap { width: 240px; height: 240px; }
  .projects-grid { grid-template-columns: 1fr; }
  .contact-inner { grid-template-columns: 1fr; gap: 36px; }
}

@media (max-width: 480px) {
  .section-title { font-size: 1.8rem; }
  .hero-name { font-size: 2.2rem; }
  .about-cards { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; align-items: center; }
  .avatar-wrap { width: 200px; height: 200px; }
  .footer-inner { flex-direction: column; text-align: center; }
}