/* ============================================================
   DESIGN TOKENS
   ============================================================ */
:root {
  --bg:           #0b0e14;
  --surface:      #111520;
  --surface-2:    #1a2030;
  --surface-3:    #222a3a;
  --border:       rgba(255,255,255,0.07);
  --text-primary: #eef0f5;
  --text-secondary:#8a96b0;
  --text-muted:   #4e5870;
  --accent:       #4fffb0;
  --accent2:      #4db8ff;
  --accent3:      #ff7e5f;
  --accent-glow:  rgba(79,255,176,0.18);
  --radius-sm:    8px;
  --radius-md:    14px;
  --radius-lg:    22px;
  --transition:   0.25s cubic-bezier(0.4,0,0.2,1);
  --max-w:        1140px;
  --font-display: 'DM Serif Display', serif;
  --font-body:    'Manrope', sans-serif;
  --font-mono:    'DM Mono', monospace;
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
}

.nav__logo-img{
  max-width: 250px;
  object-fit: contain;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================================
   TYPOGRAPHY
   ============================================================ */
.section__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.section__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.15;
  color: var(--text-primary);
}

.section__title em {
  font-style: italic;
  color: var(--accent);
}

.section__header {
  margin-bottom: 56px;
}

.section { padding: 100px 0; }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  white-space: nowrap;
}

.btn--primary {
  background: var(--accent);
  color: #0b0e14;
}
.btn--primary:hover {
  background: #6fffbe;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(79,255,176,0.3);
}

.btn--outline {
  background: transparent;
  color: var(--text-primary);
  border: 1.5px solid var(--border);
}
.btn--outline:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn--ghost {
  background: transparent;
  color: var(--text-secondary);
}
.btn--ghost:hover { color: var(--text-primary); }

.btn--sm {
  padding: 8px 16px;
  font-size: 0.82rem;
}

.btn--full { width: 100%; justify-content: center; }

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 40px;
  padding: 18px 40px;
  background: rgba(11,14,20,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

.nav__logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-right: auto;
}

.dot { color: var(--accent); }

.nav__links {
  display: flex;
  gap: 32px;
}

.nav__links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
  position: relative;
}

.nav__links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 1.5px;
  background: var(--accent);
  transition: var(--transition);
}

.nav__links a:hover { color: var(--text-primary); }
.nav__links a:hover::after { width: 100%; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* ============================================================
   MOBILE MENU
   ============================================================ */
.mobile-menu {
  position: fixed;
  top: 65px; left: 0; right: 0;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  z-index: 99;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}
.mobile-menu.open { max-height: 320px; }
.mobile-menu ul { padding: 20px 24px; display: flex; flex-direction: column; gap: 16px; }
.mobile-menu a { font-weight: 500; color: var(--text-secondary); }
.mobile-menu a:hover { color: var(--accent); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 60px;
  padding: 150px 80px 80px;
  position: relative;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  animation: drift 8s ease-in-out infinite alternate;
}
.orb--1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(79,255,176,0.12), transparent);
  top: -150px; right: -100px;
  animation-delay: 0s;
}
.orb--2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(77,184,255,0.1), transparent);
  bottom: -100px; left: -80px;
  animation-delay: -3s;
}
.orb--3 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(255,126,95,0.08), transparent);
  top: 40%; left: 35%;
  animation-delay: -6s;
}

@keyframes drift {
  from { transform: translate(0,0) scale(1); }
  to   { transform: translate(30px, 20px) scale(1.05); }
}

.hero__content {
  position: relative;
  z-index: 1;
  animation: fadeUp 0.8s ease both;
}

.hero__visual {
  position: relative;
  z-index: 1;
  animation: fadeUp 0.8s 0.2s ease both;
  background-image: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url(Video.gif);
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
  height: 390px;
  width: 100%;
  border-radius: 10px;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero__tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(79,255,176,0.08);
  border: 1px solid rgba(79,255,176,0.2);
  color: var(--accent);
  font-size: 0.78rem;
  font-family: var(--font-mono);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 28px;
}

.pulse {
  width: 8px; height: 8px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s ease infinite;
}

@keyframes pulse {
  0%,100% { opacity: 1; box-shadow: 0 0 0 0 rgba(79,255,176,0.4); }
  50% { opacity: 0.8; box-shadow: 0 0 0 6px rgba(79,255,176,0); }
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  line-height: 1.1;
  margin-bottom: 24px;
}
.hero__title em { font-style: italic; color: var(--accent); }

.hero__sub {
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 460px;
  margin-bottom: 36px;
}
.hero__sub strong { color: var(--text-primary); font-weight: 600; }

.hero__actions {
  display: flex;
  gap: 14px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.hero__stats {
  display: flex;
  align-items: center;
  gap: 24px;
}

.stat__num {
  display: block;
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--text-primary);
}
.stat__label {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
}
.stat__divider {
  width: 1px; height: 36px;
  background: var(--border);
}

/* ============================================================
   HERO VISUAL — Chart Card
   ============================================================ */
.chart-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  position: relative;
  box-shadow: 0 24px 80px rgba(0,0,0,0.4);
}

.chart-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}
.chart-card__title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
}
.chart-card__badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  background: rgba(79,255,176,0.12);
  color: var(--accent);
  padding: 3px 10px;
  border-radius: 100px;
  border: 1px solid rgba(79,255,176,0.25);
}

.bars {
  display: flex;
  align-items: flex-end;
  gap: 12px;
  height: 140px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}

.bar-group {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  height: 100%;
  justify-content: flex-end;
}

.bar {
  width: 100%;
  border-radius: 4px 4px 0 0;
  transition: height 1.2s cubic-bezier(0.4,0,0.2,1);
}

.bar--a {
  height: var(--h);
  background: var(--surface-3);
  animation: growBar 1.2s ease both;
}
.bar--b {
  height: var(--h);
  background: var(--accent);
  opacity: 0.85;
  animation: growBar 1.2s 0.2s ease both;
}

@keyframes growBar {
  from { height: 0; }
  to   { height: var(--h); }
}

.bar-label {
  font-size: 0.68rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  margin-top: 6px;
}

.chart-legend {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 16px;
  font-size: 0.78rem;
  color: var(--text-muted);
}
.legend-dot {
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 2px;
}
.legend-dot--a { background: var(--surface-3); }
.legend-dot--b { background: var(--accent); }

.metric-card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px 18px;
  font-size: 0.82rem;
  font-weight: 600;
  white-space: nowrap;
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
  animation: float 4s ease-in-out infinite alternate;
}
.metric-card i { color: var(--accent); font-size: 1rem; }

.metric-card--1 {
  top: -20px; right: -30px;
  animation-delay: 0s;
}
.metric-card--2 {
  bottom: 20px; left: -30px;
  animation-delay: -2s;
}

@keyframes float {
  from { transform: translateY(0); }
  to   { transform: translateY(-8px); }
}

/* ============================================================
   ABOUT
   ============================================================ */
.about { background: var(--surface); }

.about__grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 80px;
  align-items: center;
}

.about__image{
  width: 350px;
  height: 350px;
  object-fit: cover;
  border-radius: 1000px;
}

.about__image-wrap {
  position: relative;
  display: flex;
  justify-content: center;
}

.about__image-bg {
  position: absolute;
  width: 280px; height: 280px;
  background: radial-gradient(circle, rgba(79,255,176,0.12), transparent 70%);
  border-radius: 50%;
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
}

.about__image-placeholder {
  width: 260px; height: 260px;
  background: var(--surface-2);
  border: 2px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 5rem;
  color: var(--text-muted);
  position: relative;
  z-index: 1;
}

.about__image-tag {
  position: absolute;
  bottom: 10px;
  right: -10px;
  background: var(--surface-3);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 8px 16px;
  font-size: 0.8rem;
  display: flex;
  align-items: center;
  gap: 6px;
  z-index: 2;
}
.about__image-tag i { color: var(--accent); }

.about__para {
  color: var(--text-secondary);
  margin-bottom: 18px;
  font-size: 0.97rem;
}

.about__highlights {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.highlight {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: var(--transition);
}
.highlight:hover {
  border-color: rgba(79,255,176,0.3);
  background: rgba(79,255,176,0.04);
}
.highlight > i {
  color: var(--accent);
  font-size: 1.1rem;
  margin-top: 2px;
  flex-shrink: 0;
}
.highlight strong { display: block; font-weight: 600; margin-bottom: 2px; }
.highlight span { font-size: 0.82rem; color: var(--text-muted); }

/* ============================================================
   PROJECTS
   ============================================================ */
.projects__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.project-card:hover {
  border-color: rgba(79,255,176,0.25);
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.4);
}

.project-card__image{
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.project-card--featured {
  grid-column: 1 / -1;
  flex-direction: row;
}

.project-card__visual {
  height: 220px;
  background: var(--surface-2);
  overflow: hidden;
  position: relative;
}

.project-card--featured .project-card__visual {
  width: 45%;
  height: auto;
  flex-shrink: 0;
}

.project-card__visual--sm { height: 160px; }

.project-card__body {
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  flex: 1;
}

.project-card__body h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  line-height: 1.25;
}
.project-card__body p { color: var(--text-secondary); font-size: 0.9rem; }

.project-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  background: var(--surface-3);
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 4px 10px;
  border-radius: 4px;
  letter-spacing: 0.03em;
}

.project-card__metrics {
  display: flex;
  gap: 20px;
  padding: 16px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.pm { font-size: 0.82rem; color: var(--text-muted); }
.pm span { display: block; font-family: var(--font-display); font-size: 1.4rem; color: var(--accent); }

.project-card__links {
  display: flex;
  gap: 10px;
  margin-top: auto;
}

/* ============================================================
   VIZ MINI-CHARTS
   ============================================================ */
.viz {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.viz--line svg {
  width: 100%;
  height: 100%;
}

.chart-path { stroke-dasharray: 500; stroke-dashoffset: 500; animation: drawPath 2s ease forwards; }
.chart-fill { opacity: 0; animation: fadeIn 2s 0.5s ease forwards; }

@keyframes drawPath {
  to { stroke-dashoffset: 0; }
}
@keyframes fadeIn {
  to { opacity: 1; }
}

/* Scatter */
.viz--scatter { position: absolute; inset: 0; }
.dot-grid { position: absolute; inset: 0; }
.d {
  position: absolute;
  left: var(--x); top: var(--y);
  width: var(--s); height: var(--s);
  background: var(--c);
  border-radius: 50%;
  opacity: 0.75;
  animation: popIn 0.5s ease both;
}
.d:nth-child(1)  { animation-delay: 0.0s; }
.d:nth-child(2)  { animation-delay: 0.1s; }
.d:nth-child(3)  { animation-delay: 0.2s; }
.d:nth-child(4)  { animation-delay: 0.3s; }
.d:nth-child(5)  { animation-delay: 0.4s; }
.d:nth-child(6)  { animation-delay: 0.5s; }
.d:nth-child(7)  { animation-delay: 0.6s; }
.d:nth-child(8)  { animation-delay: 0.7s; }
.d:nth-child(9)  { animation-delay: 0.8s; }
.d:nth-child(10) { animation-delay: 0.9s; }
@keyframes popIn { from { transform: scale(0); } to { transform: scale(1); } }

/* Donut */
.viz--donut svg { width: 100px; height: 100px; }
.donut-seg { animation: donutSpin 1s ease both; transform-origin: center; }
@keyframes donutSpin { from { opacity: 0; } to { opacity: 1; } }

/* Heatmap */
.viz--heatmap { padding: 16px; }
.heatmap-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 6px;
  width: 100%;
}
.hm {
  aspect-ratio: 1;
  background: var(--accent);
  opacity: var(--op);
  border-radius: 3px;
  transition: var(--transition);
}
.hm:hover { opacity: 1; transform: scale(1.1); }

/* ============================================================
   SKILLS
   ============================================================ */
.skills { background: var(--surface); }

.skills__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-bottom: 48px;
}

.skill-category {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px;
}
.skill-category h4 {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 20px;
  color: var(--text-secondary);
}
.skill-category h4 i { color: var(--accent); }

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

.skill-item__info {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  margin-bottom: 7px;
  color: var(--text-secondary);
}

.skill-bar {
  height: 5px;
  background: var(--surface-3);
  border-radius: 10px;
  overflow: hidden;
}
.skill-bar__fill {
  height: 100%;
  width: var(--w);
  background: linear-gradient(90deg, var(--accent2), var(--accent));
  border-radius: 10px;
  animation: grow 1.2s ease both;
}
@keyframes grow {
  from { width: 0; }
  to   { width: var(--w); }
}

.tools-strip {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px 28px;
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}
.tools-strip__label {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  white-space: nowrap;
}
.tools-strip__pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tools-strip__pills span {
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 0.78rem;
  padding: 5px 12px;
  border-radius: 100px;
  transition: var(--transition);
  cursor: default;
}
.tools-strip__pills span:hover {
  background: rgba(79,255,176,0.08);
  border-color: rgba(79,255,176,0.3);
  color: var(--accent);
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: start;
}

.contact__para {
  color: var(--text-secondary);
  margin: 20px 0 36px;
  font-size: 0.97rem;
}

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

.social-link {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 0.87rem;
  transition: var(--transition);
}
.social-link:hover {
  border-color: rgba(79,255,176,0.3);
  background: rgba(79,255,176,0.04);
  color: var(--text-primary);
}
.social-link i {
  color: var(--accent);
  font-size: 1.1rem;
  width: 20px;
  text-align: center;
}

.contact__form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group { display: flex; flex-direction: column; gap: 8px; }

.form-group label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.03em;
}

.form-group input,
.form-group textarea {
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.9rem;
  padding: 13px 16px;
  outline: none;
  transition: var(--transition);
  resize: vertical;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(79,255,176,0.1);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-muted); }

.form-success {
  display: none;
  align-items: center;
  gap: 10px;
  color: var(--accent);
  font-size: 0.88rem;
  font-weight: 500;
}
.form-success.visible { display: flex; }
.form-success i { font-size: 1.1rem; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  padding: 28px 0;
  border-top: 1px solid var(--border);
}
.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.82rem;
  color: var(--text-muted);
}
.footer__links {
  display: flex;
  gap: 20px;
  font-size: 1.1rem;
}
.footer__links a {
  color: var(--text-muted);
  transition: var(--transition);
}
.footer__links a:hover { color: var(--accent); }

/* ============================================================
   SCROLLBAR
   ============================================================ */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--surface-3); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .hero {
    grid-template-columns: 1fr;
    padding: 100px 40px 60px;
    text-align: center;
  }
  .hero__image{
    width: 100% !important;
    object-fit: cover;
    margin: 0 auto 30px;
  }
  .hero__sub { margin: 0 auto 36px; }
  .hero__actions { justify-content: center; }
  .hero__stats { justify-content: center; }
  .hero__visual { height: 500px; }
  .about__grid { grid-template-columns: 1fr; gap: 48px; }
  /* .about__image-wrap { display: none; } */
  .contact__grid { grid-template-columns: 1fr; gap: 48px; }
}

@media (max-width: 768px) {
  .hero__visual { height: 400px; }
  .nav { padding: 16px 24px; }
  .nav__links, .nav > .btn--outline { display: none; }
  .hamburger { display: flex; }
  .projects__grid { grid-template-columns: 1fr; }
  .project-card--featured { flex-direction: column; }
  .project-card--featured .project-card__visual { width: 100%; height: 200px; }
  .skills__grid { grid-template-columns: 1fr; }
  .section { padding: 70px 0; }
  .hero { padding: 90px 24px 60px; }
  .tools-strip { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .hero__visual { height: 200px; }
  .hero__title { font-size: 2.2rem; }
  .section__title { font-size: 1.8rem; }
  .contact__form { padding: 24px; }
  .hero__stats { gap: 16px; }
}