/* ============================================
   PORTFOLIO STYLESHEET
   Light theme inspired by pidumenk.de
   ============================================ */

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

body {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
}

input, button, textarea, select {
  font: inherit;
  color: inherit;
}

ul, ol { list-style: none; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; background: none; }

/* ── CSS Variables ─────────────────────────── */
:root {
  /* Colors — warm light theme with emerald accent */
  --color-bg:          #fafaf9;
  --color-bg-card:     #ffffff;
  --color-bg-elevated: #f3f3f0;
  --color-bg-nav:      rgba(250, 250, 249, 0.88);

  --color-accent:       #0d9488;
  --color-accent-light: #14b8a6;
  --color-accent-dark:  #0f766e;
  --color-accent-gradient: linear-gradient(135deg, #0d9488 0%, #14b8a6 100%);
  --color-accent-glow:  rgba(13, 148, 136, 0.08);

  --color-text:          #44403c;
  --color-text-heading:  #1c1917;
  --color-text-secondary:#57534e;
  --color-text-muted:    #a8a29e;

  --color-border:        rgba(28, 25, 23, 0.06);
  --color-border-hover:  rgba(28, 25, 23, 0.12);

  --color-success: #22c55e;
  --color-error:   #ef4444;

  /* Glass morphism */
  --glass-bg: rgba(255, 255, 255, 0.65);
  --glass-border: rgba(255, 255, 255, 0.4);

  /* Typography */
  --font-sans:  'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono:  'JetBrains Mono', 'Fira Code', monospace;

  --fs-xs:   0.75rem;
  --fs-sm:   0.875rem;
  --fs-base: 1rem;
  --fs-lg:   1.125rem;
  --fs-xl:   1.25rem;
  --fs-2xl:  1.5rem;
  --fs-3xl:  1.875rem;
  --fs-4xl:  2.25rem;
  --fs-5xl:  3rem;
  --fs-6xl:  4rem;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Layout */
  --container-max: 1100px;
  --container-pad: 1.5rem;
  --nav-height: 4.5rem;
  --radius-sm:  8px;
  --radius-md:  14px;
  --radius-lg:  20px;
  --radius-xl:  14px;
  --radius-full: 9999px;

  /* Transitions */
  --ease-out: cubic-bezier(0.33, 1, 0.68, 1);
  --tr-fast:  200ms ease;
  --tr-base:  300ms ease;
  --tr-slow:  500ms ease;

  /* Shadows */
  --shadow:       rgba(100, 100, 111, 0.15) 0px 7px 29px 0px;
  --shadow-hover: rgba(100, 100, 111, 0.25) 0px 12px 40px 0px;
  --shadow-sm:    0 2px 8px rgba(100, 100, 111, 0.08);
}

/* ── Base Styles ───────────────────────────── */
body {
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  line-height: 1.5;
  color: var(--color-text);
  background: var(--color-bg);
  min-height: 100vh;
  overflow-x: hidden;
}

::selection {
  background: var(--color-accent);
  color: #fff;
}

h1, h2, h3, h4 {
  line-height: 1.2;
  color: var(--color-text-heading);
}

.container {
  width: 95%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

.section {
  padding: var(--space-16) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-6);
}

.section-title {
  font-size: clamp(var(--fs-3xl), 4vw, 2.5rem);
  font-weight: 700;
  color: var(--color-text-heading);
  text-transform: uppercase;
  margin-bottom: var(--space-3);
  display: inline-block;
  position: relative;
}

.section-subtitle {
  font-size: var(--fs-lg);
  color: var(--color-text);
  max-width: 600px;
  margin: 0 auto;
}

/* ── Skip Link ─────────────────────────────── */
.skip-link {
  position: fixed;
  top: -100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-accent);
  color: #fff;
  padding: var(--space-3) var(--space-6);
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  z-index: 1000;
  font-weight: 600;
  transition: top var(--tr-fast);
}
.skip-link:focus { top: 0; }

/* ── Navigation ────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: var(--color-bg-nav);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 100;
  transition: all var(--tr-base);
}

.nav.scrolled {
  background: rgba(250, 250, 249, 0.95);
  box-shadow: var(--shadow-sm);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

.nav-logo {
  font-size: var(--fs-xl);
  font-weight: 700;
  color: var(--color-accent);
}
.nav-logo:hover { color: var(--color-accent-light); }

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text);
  padding: 0.6em 1em;
  border-radius: var(--radius-sm);
  transition: all var(--tr-fast);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
.nav-link:hover,
.nav-link.active {
  background: var(--color-accent-glow);
  color: var(--color-accent);
}

.nav-resume-btn {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: #fff;
  background: var(--color-accent);
  padding: 0.5em 1.5em;
  border-radius: var(--radius-sm);
  transition: all var(--tr-base);
}
.nav-resume-btn:hover {
  background: var(--color-accent-dark);
  transform: translateY(-1px);
}

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  z-index: 110;
}
.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text-heading);
  border-radius: var(--radius-full);
  transition: all var(--tr-base);
  transform-origin: center;
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Menu */
.nav-mobile {
  position: fixed;
  top: 0; right: 0;
  width: min(320px, 85vw);
  height: 100vh; height: 100dvh;
  background: var(--color-bg-card);
  border-left: 1px solid var(--color-border);
  box-shadow: var(--shadow);
  transform: translateX(100%);
  transition: transform var(--tr-base);
  z-index: 105;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: var(--space-6);
}
.nav-mobile.open { transform: translateX(0); }

.nav-mobile-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.3);
  z-index: 104;
  opacity: 0; pointer-events: none;
  transition: opacity var(--tr-base);
}
.nav-mobile-overlay.open { opacity: 1; pointer-events: auto; }

.nav-mobile .nav-link {
  font-size: var(--fs-xl);
  color: var(--color-text-heading);
}

/* ── Hero Section ──────────────────────────── */
.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  overflow: hidden;
  padding-top: calc(var(--nav-height) + var(--space-12));
  padding-bottom: var(--space-12);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 850px;
  padding: 0 var(--container-pad);
}

/* Profile image in hero */
.hero-avatar {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  overflow: hidden;
  margin: 0 auto var(--space-6);
  opacity: 0;
  animation: fadeInUp 0.6s ease 0.1s forwards;
}
.hero-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.25);
}

.hero-greeting {
  font-size: var(--fs-base);
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
  opacity: 0;
  animation: fadeInUp 0.6s ease 0.2s forwards;
}

.hero-name {
  font-size: clamp(2.6rem, 8vw, var(--fs-6xl));
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: var(--space-3);
  color: var(--color-text-heading);
  opacity: 0;
  animation: fadeInUp 0.6s ease 0.4s forwards;
}
.hero-name .name-highlight {
  background: var(--color-accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-roles {
  font-size: clamp(var(--fs-xl), 3vw, var(--fs-2xl));
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
  min-height: 2.5rem;
  opacity: 0;
  animation: fadeInUp 0.6s ease 0.6s forwards;
}

.typed-cursor {
  display: inline-block;
  width: 2px;
  height: 1.1em;
  background: var(--color-accent);
  margin-left: 2px;
  vertical-align: text-bottom;
  animation: cursorBlink 1s step-end infinite;
}

.hero-tagline {
  font-size: clamp(var(--fs-base), 2vw, var(--fs-lg));
  color: var(--color-text);
  max-width: 850px;
  margin: 0 auto var(--space-8);
  line-height: 1.5;
  opacity: 0;
  animation: fadeInUp 0.6s ease 0.8s forwards;
}

.hero-ctas {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-5);
  opacity: 0;
  animation: fadeInUp 0.6s ease 1s forwards;
}

.hero-social {
  display: flex;
  gap: var(--space-6);
  justify-content: center;
  opacity: 0;
  animation: fadeInUp 0.6s ease 1.2s forwards;
}

/* ── Buttons ───────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.75em 1.75em;
  font-size: var(--fs-sm);
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: all var(--tr-base);
  white-space: nowrap;
}

.btn-primary {
  color: #fff;
  background: var(--color-accent);
  border: none;
}
.btn-primary:hover {
  background: var(--color-accent-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.btn-outline {
  color: var(--color-accent);
  border: 1.5px solid var(--color-accent);
  background: transparent;
}
.btn-outline:hover {
  background: var(--color-accent-glow);
  transform: translateY(-2px);
}

/* ── Social Links ──────────────────────────── */
.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: all var(--tr-base);
}
.social-link:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}
.social-link svg {
  width: 20px;
  height: 20px;
}

/* ── About Section ─────────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  align-items: center;
}

.about-image-wrap {
  display: flex;
  justify-content: center;
}

.about-image {
  width: 280px;
  height: 280px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  background: var(--color-bg-card);
}
.about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-elevated);
  color: var(--color-accent);
  font-size: 4rem;
  font-weight: 700;
}

.about-text p {
  color: var(--color-text);
  margin-bottom: var(--space-4);
  line-height: 1.7;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-8);
}

.stat-card {
  background: var(--color-bg-card);
  box-shadow: var(--shadow);
  border-radius: var(--radius-md);
  padding: var(--space-6) var(--space-4);
  text-align: center;
  border: 1px solid var(--color-border);
  transition: all var(--tr-base);
}
.stat-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.stat-value {
  font-size: var(--fs-3xl);
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
}

.stat-label {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-2);
}

/* ── Qualification (Tabbed Education/Work) ─── */
.qual-subtitle {
  display: block;
  font-size: var(--fs-base);
  color: var(--color-text-muted);
  text-align: center;
  margin-bottom: var(--space-6);
}

.qual-tabs {
  display: flex;
  justify-content: center;
  gap: var(--space-8);
  margin-bottom: var(--space-8);
}

.qual-tab {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 1.3rem;
  font-weight: 500;
  cursor: pointer;
  padding: 0.8em 1em;
  transition: all var(--tr-base);
  color: var(--color-text);
  opacity: 0.5;
  background: none;
  border: none;
}
.qual-tab:hover {
  opacity: 1;
  color: var(--color-accent);
}
.qual-tab.active {
  color: var(--color-accent);
  opacity: 1;
}
.qual-tab svg {
  width: 24px;
  height: 24px;
  transition: transform var(--tr-base);
}
.qual-tab:hover svg { transform: scale(1.1); }

.qual-panel { display: none; }
.qual-panel.active { display: block; }

/* Zigzag timeline entries */
.qual-entry {
  display: grid;
  grid-template-columns: 1fr max-content 1fr;
  column-gap: 1.5rem;
  margin-bottom: 2rem;
}
.qual-entry:last-child {
  margin-bottom: 0;
}

.qual-data {
  /* text content side */
}

.qual-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-text-heading);
  margin-bottom: 0.25rem;
}

.qual-place {
  display: block;
  font-size: var(--fs-sm);
  color: var(--color-text);
  margin-bottom: 0.25rem;
}

.qual-oneliner {
  display: block;
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  font-style: italic;
  margin-bottom: 0.25rem;
}

.qual-date {
  font-size: 0.9rem;
  color: var(--color-text);
  opacity: 0.8;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.qual-date svg { width: 14px; height: 14px; }

.qual-dot-col {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.qual-dot {
  display: inline-block;
  width: 16px;
  height: 16px;
  background: var(--color-accent-gradient);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--color-accent-glow);
  animation: pulse 2s ease-in-out infinite;
  flex-shrink: 0;
}

.qual-line {
  display: block;
  width: 2px;
  flex: 1;
  background: var(--color-accent-gradient);
  margin-top: -4px;
  box-shadow: 0 0 5px var(--color-accent-glow);
}

/* Empty spacer for zigzag */
.qual-empty { /* intentionally empty */ }

@media (max-width: 600px) {
  .qual-entry {
    grid-template-columns: max-content 1fr;
    column-gap: 1.2rem;
  }
  .qual-empty { display: none; }
}

/* ── Achievements Section ──────────────────── */
.achievements-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(18em, 1fr));
  gap: var(--space-8);
  max-width: var(--container-max);
  margin: 0 auto;
}

.achievement-card {
  background: var(--color-bg-card);
  box-shadow: var(--shadow);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  text-align: left;
  transition: all var(--tr-base);
}
.achievement-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}

.achievement-card h3 {
  font-size: var(--fs-xl);
  font-weight: 700;
  color: var(--color-text-heading);
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.achievement-bullets {
  margin-bottom: var(--space-5);
  padding-left: 0;
}
.achievement-bullets li {
  font-size: var(--fs-sm);
  color: var(--color-text);
  line-height: 1.7;
  margin-bottom: var(--space-2);
  padding-left: var(--space-5);
  position: relative;
}
.achievement-bullets li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
}

.achievement-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.achievement-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  transition: all var(--tr-base);
}
.achievement-link:hover {
  color: var(--color-accent);
  transform: scale(1.1);
}
.achievement-link svg { width: 16px; height: 16px; }

/* ── Tags / Badges ─────────────────────────── */
.tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--fs-xs);
  font-weight: 500;
  color: var(--color-text-heading);
  background: var(--color-bg-elevated);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-full);
  transition: all var(--tr-fast);
  white-space: nowrap;
}
.tag svg { width: 12px; height: 12px; }
.tag:hover {
  background: var(--color-accent-glow);
  color: var(--color-accent);
  transform: scale(1.05);
}

/* ── Projects Section ──────────────────────── */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(18em, 1fr));
  gap: var(--space-8);
}

.project-card {
  background: var(--color-bg-card);
  box-shadow: var(--shadow);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--tr-base);
  display: flex;
  flex-direction: column;
  padding: var(--space-8);
  text-align: center;
}
.project-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}

.project-image {
  width: 100%;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--color-bg-elevated);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-4);
}
.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--tr-slow);
}
.project-card:hover .project-image img { transform: scale(1.05); }

.project-placeholder-icon {
  color: var(--color-text-muted);
  opacity: 0.3;
}
.project-placeholder-icon svg { width: 48px; height: 48px; }

.project-body {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.project-title {
  font-size: var(--fs-xl);
  font-weight: 600;
  color: var(--color-text-heading);
  margin-bottom: var(--space-3);
}

.project-desc {
  font-size: var(--fs-sm);
  color: var(--color-text);
  line-height: 1.7;
  margin-bottom: var(--space-4);
  flex: 1;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  justify-content: center;
  margin-bottom: var(--space-4);
}

.project-links {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  margin-top: auto;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  transition: all var(--tr-base);
}
.project-link:hover {
  color: var(--color-accent);
  transform: scale(1.1);
}
.project-link svg { width: 16px; height: 16px; }

/* ── Skills Section ────────────────────────── */
.skills-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.skill-category {
  background: var(--color-bg-card);
  box-shadow: var(--shadow);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  transition: all var(--tr-base);
}
.skill-category:hover {
  border-color: var(--color-accent);
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.skill-category-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}
.skill-category-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--color-accent-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  transition: transform var(--tr-base);
}
.skill-category:hover .skill-category-icon { transform: scale(1.1) rotate(5deg); }
.skill-category-icon svg { width: 20px; height: 20px; }
.skill-category-name {
  font-size: var(--fs-lg);
  font-weight: 600;
  color: var(--color-text-heading);
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.skill-tag {
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--color-text-heading);
  background: var(--color-bg-elevated);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  transition: all var(--tr-base);
}
.skill-tag:hover {
  color: var(--color-accent);
  background: var(--color-accent-glow);
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

/* ── Contact Section ───────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  max-width: 900px;
  margin: 0 auto;
}

.contact-info h3 {
  font-size: var(--fs-2xl);
  font-weight: 600;
  margin-bottom: var(--space-4);
  color: var(--color-text-heading);
}
.contact-info p {
  color: var(--color-text);
  line-height: 1.7;
  margin-bottom: var(--space-6);
}

.contact-detail {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  color: var(--color-text);
  font-size: var(--fs-sm);
}
.contact-detail svg {
  width: 18px; height: 18px;
  color: var(--color-accent);
  flex-shrink: 0;
}
.contact-detail a {
  color: var(--color-text);
  transition: color var(--tr-fast);
}
.contact-detail a:hover { color: var(--color-accent); }

.contact-social {
  display: flex;
  gap: var(--space-4);
  margin-top: var(--space-6);
}

/* ── Form ──────────────────────────────────── */
.form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
}

.form-input,
.form-textarea {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-3) var(--space-4);
  font-size: var(--fs-base);
  color: var(--color-text-heading);
  transition: border-color var(--tr-fast), box-shadow var(--tr-fast);
  outline: none;
  box-shadow: var(--shadow-sm);
}
.form-input:focus,
.form-textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-glow);
}
.form-input::placeholder,
.form-textarea::placeholder { color: var(--color-text-muted); }

.form-textarea { min-height: 140px; resize: vertical; }

.form-input.error,
.form-textarea.error { border-color: var(--color-error); }

.form-error {
  font-size: var(--fs-xs);
  color: var(--color-error);
  display: none;
}
.form-error.visible { display: block; }

.form-status {
  font-size: var(--fs-sm);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  display: none;
}
.form-status.success {
  display: block;
  background: rgba(34, 197, 94, 0.1);
  color: var(--color-success);
  border: 1px solid rgba(34, 197, 94, 0.2);
}
.form-status.error-status {
  display: block;
  background: rgba(239, 68, 68, 0.1);
  color: var(--color-error);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

/* ── Footer ────────────────────────────────── */
.footer {
  background: var(--color-bg-card);
  border-top: 1px solid var(--color-border);
  padding: var(--space-8) 0 var(--space-6);
  text-align: center;
  margin-top: var(--space-8);
}

.footer-social {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  margin-bottom: var(--space-6);
}

.footer-text {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.back-to-top {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--color-accent);
  transition: all var(--tr-base);
}
.back-to-top:hover { transform: translateY(-3px); }
.back-to-top svg { width: 16px; height: 16px; }

/* ── Animations ────────────────────────────── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes cursorBlink {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0; }
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 10px var(--color-accent-glow); }
  50%      { box-shadow: 0 0 20px var(--color-accent-glow); }
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.reveal-stagger > .reveal:nth-child(1)  { transition-delay: 0ms; }
.reveal-stagger > .reveal:nth-child(2)  { transition-delay: 80ms; }
.reveal-stagger > .reveal:nth-child(3)  { transition-delay: 160ms; }
.reveal-stagger > .reveal:nth-child(4)  { transition-delay: 240ms; }
.reveal-stagger > .reveal:nth-child(5)  { transition-delay: 320ms; }
.reveal-stagger > .reveal:nth-child(6)  { transition-delay: 400ms; }
.reveal-stagger > .reveal:nth-child(7)  { transition-delay: 480ms; }
.reveal-stagger > .reveal:nth-child(8)  { transition-delay: 560ms; }

/* Focus styles */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}

/* ── Responsive ────────────────────────────── */

@media (min-width: 640px) {
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .about-stats {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 768px) {
  .about-grid {
    grid-template-columns: auto 1fr;
    gap: var(--space-16);
  }
  .skills-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .contact-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 1024px) {
  .projects-grid {
    grid-template-columns: repeat(auto-fit, minmax(18em, 1fr));
  }
  .project-card.featured {
    grid-column: span 2;
  }
}

@media (max-width: 1023px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
}

@media (max-width: 600px) {
  .hero-name {
    font-size: 2.6rem;
  }
  .section-title {
    font-size: 2rem;
  }
}