/* ============================================================
   Giorgos Stavaras — Portfolio
   style.css
   ============================================================ */

/* ---------- Google Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Space+Grotesk:wght@500;600;700&display=swap');

/* ---------- CSS Variables ---------- */
:root {
  --accent: #00d4aa;
  --accent-dim: rgba(0, 212, 170, 0.15);
  --accent-border: rgba(0, 212, 170, 0.4);
  --bg-primary: #0d0d0d;
  --bg-secondary: #161616;
  --bg-card: #1a1a1a;
  --bg-card-hover: #1f1f1f;
  --text-primary: #ffffff;
  --text-secondary: #aaaaaa;
  --text-muted: #666666;
  --border: rgba(255, 255, 255, 0.07);
  --radius: 12px;
  --radius-sm: 8px;
  --transition: 0.3s ease;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-accent: 0 8px 32px rgba(0, 212, 170, 0.15);
}

/* ---------- Light Theme ---------- */
[data-theme="light"] {
  --bg-primary: #f5f5f5;
  --bg-secondary: #ebebeb;
  --bg-card: #ffffff;
  --bg-card-hover: #f9f9f9;
  --text-primary: #0d0d0d;
  --text-secondary: #444444;
  --text-muted: #888888;
  --border: rgba(0, 0, 0, 0.09);
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
  --shadow-accent: 0 8px 32px rgba(0, 212, 170, 0.18);
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-secondary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5 {
  font-family: 'Space Grotesk', sans-serif;
  color: var(--text-primary);
  line-height: 1.2;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: #00f0c0;
}

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

ul {
  list-style: none;
}

/* ---------- Utility ---------- */
.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 96px 0;
}

.section--alt {
  background: var(--bg-secondary);
}

.section__label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.section__title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin-bottom: 16px;
}

.section__subtitle {
  max-width: 600px;
  color: var(--text-secondary);
  font-size: 1.05rem;
  margin-bottom: 56px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
  white-space: nowrap;
}

.btn--primary {
  background: var(--accent);
  color: #000;
  border-color: var(--accent);
}

.btn--primary:hover {
  background: #00f0c0;
  border-color: #00f0c0;
  color: #000;
  transform: translateY(-2px);
  box-shadow: var(--shadow-accent);
}

.btn--outline {
  background: transparent;
  color: var(--accent);
  border-color: var(--accent-border);
}

.btn--outline:hover {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.btn--sm {
  padding: 8px 18px;
  font-size: 0.82rem;
}

/* ---------- Scroll Animations ---------- */
.fade-in {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }
.fade-in-delay-5 { transition-delay: 0.5s; }
.fade-in-delay-6 { transition-delay: 0.6s; }

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 24px;
  background: rgba(13, 13, 13, 0.9);
}

[data-theme="light"] .nav {
  background: rgba(245, 245, 245, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}

.nav__inner {
  max-width: 1140px;
  margin: 0 auto;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.nav__logo span {
  color: var(--accent);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav__link {
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition);
}

.nav__link:hover,
.nav__link.active {
  color: var(--accent);
  background: var(--accent-dim);
}

.nav__cta {
  margin-left: 12px;
  padding: 8px 20px;
  border-radius: 6px;
  font-size: 0.88rem;
  font-weight: 600;
  color: #000;
  background: var(--accent);
  transition: all var(--transition);
}

.nav__cta:hover {
  background: #00f0c0;
  color: #000;
  transform: translateY(-1px);
}

.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}

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

/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--bg-primary);
  position: relative;
  overflow: hidden;
  padding-top: 68px;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 212, 170, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -100px;
  left: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(0, 212, 170, 0.04) 0%, transparent 70%);
  pointer-events: none;
}

.hero__inner {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 64px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 20px;
  border: 1px solid var(--accent-border);
  background: var(--accent-dim);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.hero__badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.hero__name {
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 12px;
  background: linear-gradient(135deg, #ffffff 0%, #cccccc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

[data-theme="light"] .hero__name {
  background: none;
  -webkit-background-clip: unset;
  background-clip: unset;
  -webkit-text-fill-color: #000000;
  color: #000000;
}

.hero__title {
  font-size: clamp(1rem, 2.5vw, 1.35rem);
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 16px;
}

.hero__subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 480px;
  margin-bottom: 36px;
  line-height: 1.75;
}

.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.hero__social {
  display: flex;
  align-items: center;
  gap: 16px;
}

.hero__social-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.hero__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 8px;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 1rem;
  transition: all var(--transition);
}

.hero__social-link:hover {
  border-color: var(--accent-border);
  color: var(--accent);
  background: var(--accent-dim);
}

/* Hero Visual */
.hero__visual {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.hero__avatar-wrap {
  position: relative;
  width: 320px;
  height: 320px;
}

.hero__avatar-ring {
  position: absolute;
  inset: -12px;
  border-radius: 50%;
  border: 2px solid transparent;
  background: linear-gradient(135deg, var(--accent), transparent 60%) border-box;
  -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: destination-out;
  mask-composite: exclude;
  animation: spin 8s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.hero__avatar {
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: linear-gradient(135deg, #1a2a1a 0%, #1a1a2a 50%, #0d1a1a 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 6rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.05em;
  border: 2px solid var(--border);
  position: relative;
  z-index: 1;
  overflow: hidden;
}

.hero__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.hero__floating-cards {
  position: absolute;
  inset: 0;
}

.hero__float-card {
  position: absolute;
  padding: 10px 14px;
  border-radius: 10px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  box-shadow: var(--shadow);
  animation: float 4s ease-in-out infinite;
}

.hero__float-card:nth-child(1) {
  top: 10%;
  right: -40px;
  animation-delay: 0s;
}
.hero__float-card:nth-child(2) {
  bottom: 20%;
  left: -40px;
  animation-delay: 1s;
}
.hero__float-card:nth-child(3) {
  bottom: 5%;
  right: 0;
  animation-delay: 2s;
}

.hero__float-card .card-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  margin-right: 6px;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* ============================================================
   ABOUT
   ============================================================ */
.about__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about__content .section__subtitle {
  margin-bottom: 24px;
}

.about__bio {
  color: var(--text-secondary);
  margin-bottom: 16px;
  font-size: 0.97rem;
}

.about__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.about__tag {
  padding: 4px 12px;
  border-radius: 20px;
  border: 1px solid var(--accent-border);
  background: var(--accent-dim);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--accent);
}

.about__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform var(--transition);
}

.stat-card:hover {
  border-color: var(--accent-border);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-accent);
}

.stat-card:hover::before {
  transform: scaleX(1);
}

.stat-card__number {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-card__label {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* ============================================================
   SKILLS
   ============================================================ */
.skills__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.skill-group {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: all var(--transition);
}

.skill-group:hover {
  border-color: var(--accent-border);
  transform: translateY(-4px);
  box-shadow: var(--shadow-accent);
}

.skill-group__icon {
  font-size: 1.8rem;
  margin-bottom: 14px;
}

.skill-group__title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.skill-item {
  margin-bottom: 14px;
}

.skill-item:last-child {
  margin-bottom: 0;
}

.skill-item__header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 6px;
}

.skill-item__name {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.skill-item__pct {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 600;
}

.skill-bar {
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}

.skill-bar__fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), #00f0c0);
  border-radius: 2px;
  width: 0;
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================================
   PROJECTS
   ============================================================ */
.projects__filter {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.filter-btn {
  padding: 7px 18px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  font-family: 'Inter', sans-serif;
}

.filter-btn:hover,
.filter-btn.active {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
}

.projects__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: all 0.35s ease;
  position: relative;
  overflow: hidden;
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), #00f0c0);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s ease;
}

.project-card:hover {
  border-color: var(--accent-border);
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(0, 212, 170, 0.12);
  background: var(--bg-card-hover);
}

.project-card:hover::before {
  transform: scaleX(1);
}

.project-card__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.project-card__badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  flex-shrink: 0;
}

.badge--web {
  background: rgba(99, 102, 241, 0.15);
  color: #818cf8;
  border: 1px solid rgba(99, 102, 241, 0.3);
}

.badge--iot {
  background: rgba(0, 212, 170, 0.15);
  color: var(--accent);
  border: 1px solid var(--accent-border);
}

.badge--python {
  background: rgba(251, 191, 36, 0.12);
  color: #fbbf24;
  border: 1px solid rgba(251, 191, 36, 0.3);
}

.project-card__icon {
  font-size: 1.6rem;
  line-height: 1;
}

.project-card__title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.project-card__desc {
  font-size: 0.87rem;
  color: var(--text-secondary);
  line-height: 1.65;
  flex: 1;
}

.project-card__stack {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.stack-tag {
  padding: 3px 9px;
  border-radius: 4px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  font-size: 0.73rem;
  font-weight: 600;
  color: var(--text-muted);
  font-family: 'Space Mono', monospace;
  letter-spacing: 0.02em;
  transition: all var(--transition);
}

.project-card:hover .stack-tag {
  border-color: rgba(0, 212, 170, 0.2);
  color: var(--text-secondary);
}

.project-card__footer {
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

/* ============================================================
   SERVICES
   ============================================================ */
.services__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 32px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform var(--transition);
}

.service-card:hover {
  border-color: var(--accent-border);
  transform: translateY(-4px);
  box-shadow: var(--shadow-accent);
}

.service-card:hover::after {
  transform: scaleX(1);
}

.service-card__icon {
  font-size: 2.4rem;
  margin-bottom: 20px;
}

.service-card__title {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.service-card__desc {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 20px;
}

.service-card__list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.service-card__list li {
  font-size: 0.85rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

.service-card__list li::before {
  content: '';
  display: inline-block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact__inner {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 64px;
  align-items: start;
}

.contact__info-title {
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.contact__info-text {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 36px;
  line-height: 1.7;
}

.contact__links {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact__link {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-secondary);
  transition: all var(--transition);
  font-size: 0.9rem;
}

.contact__link:hover {
  border-color: var(--accent-border);
  color: var(--accent);
  background: var(--accent-dim);
  transform: translateX(4px);
}

.contact__link-icon {
  font-size: 1.2rem;
  flex-shrink: 0;
}

.contact__link-text strong {
  display: block;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 2px;
}

/* Contact Form */
.contact__form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
}

.form__title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 24px;
}

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

.form__group {
  margin-bottom: 18px;
}

.form__label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}

.form__input,
.form__textarea {
  width: 100%;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  transition: all var(--transition);
  outline: none;
}

.form__input:focus,
.form__textarea:focus {
  border-color: var(--accent-border);
  background: rgba(0, 212, 170, 0.04);
  box-shadow: 0 0 0 3px rgba(0, 212, 170, 0.08);
}

.form__input::placeholder,
.form__textarea::placeholder {
  color: var(--text-muted);
}

.form__textarea {
  min-height: 130px;
  resize: vertical;
}

.form__submit {
  width: 100%;
  padding: 14px;
  border-radius: var(--radius-sm);
  border: none;
  background: var(--accent);
  color: #000;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition);
  letter-spacing: 0.02em;
}

.form__submit:hover {
  background: #00f0c0;
  transform: translateY(-2px);
  box-shadow: var(--shadow-accent);
}

.form__success {
  display: none;
  text-align: center;
  padding: 20px;
  border-radius: var(--radius-sm);
  background: rgba(0, 212, 170, 0.1);
  border: 1px solid var(--accent-border);
  color: var(--accent);
  font-weight: 500;
  margin-top: 12px;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: #090909;
  border-top: 1px solid var(--border);
  padding: 32px 24px;
}

.footer__inner {
  max-width: 1140px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer__copy {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer__links {
  display: flex;
  gap: 12px;
  align-items: center;
}

.footer__icon-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.95rem;
  transition: all var(--transition);
}

.footer__icon-link:hover {
  border-color: var(--accent-border);
  color: var(--accent);
  background: var(--accent-dim);
}

/* ============================================================
   MOBILE NAV DRAWER
   ============================================================ */
.nav__mobile {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: 16px 24px 20px;
}

.nav__mobile.open {
  display: flex;
}

.nav__mobile .nav__link {
  padding: 10px 16px;
  border-radius: 8px;
}

/* ============================================================
   MEDIA QUERIES
   ============================================================ */
@media (max-width: 1024px) {
  .hero__inner {
    gap: 40px;
  }

  .hero__avatar-wrap {
    width: 260px;
    height: 260px;
  }

  .hero__avatar {
    width: 260px;
    height: 260px;
    font-size: 4.5rem;
  }

  .hero__avatar img {
    width: 100%;
    height: 100%;
  }

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

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

@media (max-width: 768px) {
  .section {
    padding: 72px 0;
  }

  .nav__links {
    display: none;
  }

  .nav__hamburger {
    display: flex;
  }

  .hero__inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 48px;
  }

  .hero__subtitle {
    margin-left: auto;
    margin-right: auto;
  }

  .hero__actions {
    justify-content: center;
  }

  .hero__social {
    justify-content: center;
  }

  .hero__visual {
    order: -1;
  }

  .hero__avatar-wrap {
    width: 220px;
    height: 220px;
  }

  .hero__avatar {
    width: 220px;
    height: 220px;
    font-size: 3.8rem;
  }

  .hero__float-card {
    display: none;
  }

  .about__inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about__stats {
    grid-template-columns: repeat(3, 1fr);
  }

  .skills__grid {
    grid-template-columns: 1fr;
  }

  .projects__grid {
    grid-template-columns: 1fr;
  }

  .services__grid {
    grid-template-columns: 1fr;
  }

  .contact__inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .form__row {
    grid-template-columns: 1fr;
  }

  .contact__form {
    padding: 24px;
  }

  .footer__inner {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
}

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

  .hero__name {
    font-size: 2rem;
  }

  .section__title {
    font-size: 1.6rem;
  }
}

/* ============================================================
   LANGUAGE SWITCHER
   ============================================================ */
.lang-switcher {
  position: relative;
  margin-right: 12px;
}

.lang-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  font-family: 'Inter', sans-serif;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.lang-toggle:hover {
  border-color: var(--accent-border);
  color: var(--accent);
  background: var(--accent-dim);
}

.lang-current {
  letter-spacing: 0.05em;
}

.lang-chevron {
  transition: transform var(--transition);
}

.lang-toggle[aria-expanded="true"] .lang-chevron {
  transform: rotate(180deg);
}

.lang-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow);
  z-index: 1001;
  min-width: 140px;
}

.lang-dropdown.open {
  display: block;
}

.lang-option {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 10px 16px;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-family: 'Inter', sans-serif;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  text-align: left;
}

.lang-option:hover {
  background: var(--accent-dim);
  color: var(--accent);
}

.lang-option--active {
  color: var(--accent);
  background: var(--accent-dim);
}

.lang-flag {
  font-size: 1.1rem;
  line-height: 1;
}

/* ---------- Theme Toggle ---------- */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-secondary);
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), color var(--transition), transform 0.2s ease;
  flex-shrink: 0;
}

.theme-toggle:hover {
  border-color: var(--accent-border);
  color: var(--accent);
  transform: rotate(20deg);
}

.theme-toggle__moon { display: none; }
.theme-toggle__sun  { display: block; }

[data-theme="light"] .theme-toggle__moon { display: block; }
[data-theme="light"] .theme-toggle__sun  { display: none; }