/* ==========================================================
   AKASH CHAUHAN — PORTFOLIO STYLESHEET
   Light Lavender Design System
   ========================================================== */

/* ---------- CSS VARIABLES ---------- */
:root {
  --bg-main: #FCFBFF;
  --bg-alt: #F6F2FF;
  --purple: #8064D9;
  --purple-deep: #6848BD;
  --lavender: #EDE5FF;
  --white: #FFFFFF;
  --text-primary: #24213A;
  --text-secondary: #68657A;
  --border: #E8E1F3;
  --analytics: #6C8AE4;
  --success: #4DAD8A;

  --font: 'Plus Jakarta Sans', 'Inter', 'Manrope', -apple-system, BlinkMacSystemFont, sans-serif;

  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --shadow-sm: 0 1px 3px rgba(104, 72, 189, 0.05);
  --shadow: 0 4px 20px rgba(104, 72, 189, 0.07);
  --shadow-lg: 0 12px 40px rgba(104, 72, 189, 0.12);

  --container: 1180px;
  --nav-height: 72px;
  --mobile-nav-height: 64px;

  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  background: var(--bg-main);
  color: var(--text-primary);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  padding-bottom: 0;
}

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

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

a:hover { color: var(--purple); }

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

ul { list-style: none; }

h1, h2, h3, h4 {
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

h1 { font-size: clamp(2rem, 4.5vw, 3.25rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h3 { font-size: clamp(1.15rem, 2vw, 1.4rem); }

p { color: var(--text-secondary); }

:focus-visible {
  outline: 3px solid var(--purple);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---------- LAYOUT HELPERS ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
}

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

.section__head {
  max-width: 720px;
  margin-bottom: 48px;
}

.section__head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--purple);
  margin-bottom: 12px;
}

.section__head h2 { margin-bottom: 12px; }

.section__head p { font-size: 1.05rem; }

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius);
  transition: all var(--transition);
  white-space: nowrap;
  border: 1.5px solid transparent;
  line-height: 1.2;
}

.btn svg { width: 18px; height: 18px; flex-shrink: 0; }

.btn--primary {
  background: var(--purple);
  color: #fff;
  box-shadow: 0 6px 18px rgba(128, 100, 217, 0.28);
}
.btn--primary:hover {
  background: var(--purple-deep);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(128, 100, 217, 0.35);
}

.btn--outline {
  background: var(--white);
  color: var(--purple-deep);
  border-color: var(--border);
}
.btn--outline:hover {
  border-color: var(--purple);
  color: var(--purple);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.btn--ghost {
  background: transparent;
  color: var(--text-primary);
  padding: 10px 16px;
}
.btn--ghost:hover { color: var(--purple); background: var(--lavender); }

.btn--sm { padding: 9px 16px; font-size: 0.85rem; }

/* ---------- NAVBAR ---------- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(252, 251, 255, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  height: var(--nav-height);
}

.navbar__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.navbar__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}
.navbar__brand:hover { color: var(--purple-deep); }

.navbar__brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--purple), #A78BFA);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 0.9rem;
  font-weight: 800;
  flex-shrink: 0;
}

.navbar__links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.navbar__links a {
  padding: 8px 14px;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-secondary);
  border-radius: 10px;
  transition: all var(--transition);
}
.navbar__links a:hover { color: var(--purple); background: var(--lavender); }
.navbar__links a.active { color: var(--purple-deep); background: var(--lavender); }

.navbar__cta { display: flex; align-items: center; gap: 10px; }

.hamburger {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  border: 1.5px solid var(--border);
  background: var(--white);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}
.hamburger span {
  width: 20px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition);
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  padding: 16px 24px 24px;
  z-index: 999;
  flex-direction: column;
  gap: 4px;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  padding: 12px 16px;
  font-weight: 600;
  color: var(--text-secondary);
  border-radius: 10px;
}
.mobile-menu a:hover, .mobile-menu a.active { color: var(--purple); background: var(--lavender); }

/* ---------- HERO ---------- */
.hero {
  padding: 72px 0 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -180px;
  right: -180px;
  width: 480px;
  height: 480px;
  background: radial-gradient(circle, rgba(128, 100, 217, 0.14), transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
}

.hero__label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  background: var(--lavender);
  color: var(--purple-deep);
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.hero__label::before {
  content: '';
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--success);
}

.hero h1 { margin-bottom: 20px; }
.hero h1 .accent {
  background: linear-gradient(120deg, var(--purple), #A78BFA);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero__lead {
  font-size: 1.08rem;
  max-width: 520px;
  margin-bottom: 24px;
  color: var(--text-secondary);
}

.hero__skills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}
.hero__skills span {
  padding: 6px 14px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
}

.hero__social {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 0.88rem;
  color: var(--text-secondary);
}
.hero__social a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  color: var(--text-secondary);
}
.hero__social a:hover { color: var(--purple); }
.hero__social svg { width: 18px; height: 18px; }

.hero__portrait {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero__portrait-frame {
  position: relative;
  width: min(360px, 82vw);
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  padding: 10px;
  background: linear-gradient(145deg, var(--purple), #B9A7FF, var(--lavender));
  box-shadow: 0 24px 60px rgba(128, 100, 217, 0.28);
}

.hero__portrait-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  border: 5px solid var(--white);
  background: var(--lavender);
}

.hero__portrait-badge {
  position: absolute;
  bottom: 18px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 16px;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--purple-deep);
  box-shadow: var(--shadow);
  white-space: nowrap;
}

/* ---------- STATS STRIP ---------- */
.stats-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 24px;
}
.stat-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
  transition: all var(--transition);
}
.stat-card:hover {
  border-color: var(--purple);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}
.stat-card strong {
  display: block;
  font-size: 1.5rem;
  color: var(--purple-deep);
  font-weight: 800;
}
.stat-card span { font-size: 0.82rem; color: var(--text-secondary); font-weight: 600; }

/* ---------- ABOUT PREVIEW ---------- */
.about-preview {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.about-preview__text h2 { margin-bottom: 16px; }
.about-preview__text p { margin-bottom: 16px; }
.about-preview__list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 20px 0 24px;
}
.about-preview__list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 500;
}
.about-preview__list li::before {
  content: '';
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--purple);
  flex-shrink: 0;
}

.about-preview__panel {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 32px;
  box-shadow: var(--shadow);
}
.about-preview__panel h3 { margin-bottom: 20px; font-size: 1.15rem; }
.focus-row {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}
.focus-row:last-child { border-bottom: none; }
.focus-row__icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: var(--lavender);
  display: grid;
  place-items: center;
  flex-shrink: 0;
  color: var(--purple-deep);
}
.focus-row__icon svg { width: 20px; height: 20px; }
.focus-row h4 { font-size: 0.95rem; margin-bottom: 2px; }
.focus-row p { font-size: 0.82rem; margin: 0; }

/* ---------- PROJECT CARDS ---------- */
.featured-project {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 0;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  margin-bottom: 32px;
  box-shadow: var(--shadow);
  transition: all var(--transition);
}
.featured-project:hover { box-shadow: var(--shadow-lg); }

.featured-project__media {
  position: relative;
  min-height: 320px;
  background: linear-gradient(135deg, #E9E1FF, #D8CCFF);
  display: grid;
  place-items: center;
  overflow: hidden;
}
.featured-project__media img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.featured-project__media .placeholder {
  text-align: center;
  color: var(--purple-deep);
  padding: 24px;
}
.featured-project__media .placeholder svg { width: 60px; height: 60px; margin: 0 auto 12px; }
.featured-project__media .placeholder strong { display: block; font-size: 1rem; }
.featured-project__media .placeholder span { font-size: 0.8rem; color: var(--text-secondary); }

.featured-project__body {
  padding: 36px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.badge {
  display: inline-block;
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  background: var(--lavender);
  color: var(--purple-deep);
  margin-bottom: 14px;
  text-transform: uppercase;
}
.badge--analytics { background: #E5EEFF; color: #3B5BA9; }
.badge--ml { background: #FFE9F4; color: #B03B7A; }
.badge--nlp { background: #E8FFF5; color: #2E8B67; }

.featured-project__body h3 { margin-bottom: 12px; font-size: 1.4rem; }
.featured-project__body p { margin-bottom: 20px; font-size: 0.95rem; }

.tech-list {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-bottom: 24px;
}
.tech-list span {
  padding: 5px 11px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}

.project-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all var(--transition);
}
.project-card:hover {
  transform: translateY(-5px);
  border-color: var(--purple);
  box-shadow: var(--shadow-lg);
}

.project-card__media {
  position: relative;
  aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, #E9E1FF, #D8CCFF);
  display: grid;
  place-items: center;
  overflow: hidden;
}
.project-card__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.project-card:hover .project-card__media img { transform: scale(1.05); }
.project-card__media .placeholder {
  text-align: center;
  color: var(--purple-deep);
  padding: 20px;
}
.project-card__media .placeholder svg { width: 42px; height: 42px; margin: 0 auto 8px; }
.project-card__media .placeholder strong { display: block; font-size: 0.85rem; }
.project-card__media .placeholder span { font-size: 0.72rem; color: var(--text-secondary); }

.project-card__body {
  padding: 22px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.project-card__body h3 { font-size: 1.08rem; margin: 10px 0 8px; }
.project-card__body p { font-size: 0.88rem; margin-bottom: 16px; flex: 1; }

.card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
}
.card-actions .btn { font-size: 0.8rem; padding: 8px 14px; }

/* ---------- SKILLS PREVIEW ---------- */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.skill-category {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all var(--transition);
}
.skill-category:hover {
  border-color: var(--purple);
  box-shadow: var(--shadow);
}
.skill-category__head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}
.skill-category__icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--lavender);
  color: var(--purple-deep);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.skill-category__icon svg { width: 22px; height: 22px; }
.skill-category h3 { font-size: 1.05rem; }
.skill-category__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.skill-category__tags span {
  padding: 6px 12px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: all var(--transition);
}
.skill-category__tags span:hover {
  background: var(--lavender);
  color: var(--purple-deep);
  border-color: var(--purple);
}

/* ---------- CTA SECTION ---------- */
.cta {
  background: linear-gradient(135deg, #EFE9FF, #F6F2FF);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 56px 40px;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}
.cta h2 { margin-bottom: 14px; }
.cta p { max-width: 560px; margin: 0 auto 28px; }
.cta__actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }

/* ---------- PAGE HEADER ---------- */
.page-header {
  padding: 64px 0 40px;
  background: linear-gradient(180deg, var(--bg-alt), var(--bg-main));
  border-bottom: 1px solid var(--border);
}
.page-header h1 { margin-bottom: 14px; }
.page-header p { max-width: 680px; font-size: 1.05rem; }
.breadcrumb {
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-bottom: 14px;
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--text-secondary); }
.breadcrumb a:hover { color: var(--purple); }
.breadcrumb span { color: var(--text-primary); font-weight: 600; }

/* ---------- ABOUT PAGE ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 48px;
  align-items: start;
}
.about-photo {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--border);
  aspect-ratio: 1 / 1.15;
  background: var(--lavender);
}
.about-photo img { width: 100%; height: 100%; object-fit: cover; }
.about-side-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-top: 20px;
  box-shadow: var(--shadow-sm);
}
.about-side-card h3 { font-size: 1rem; margin-bottom: 14px; }
.about-side-card ul { display: flex; flex-direction: column; gap: 10px; }
.about-side-card li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--text-secondary);
}
.about-side-card li::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--purple);
  flex-shrink: 0;
}

.about-content h2 { margin: 32px 0 14px; font-size: 1.4rem; }
.about-content h2:first-child { margin-top: 0; }
.about-content p { margin-bottom: 16px; }

.approach-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin: 20px 0;
}
.approach-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}
.approach-card strong { display: block; color: var(--purple-deep); margin-bottom: 6px; font-size: 0.95rem; }
.approach-card p { font-size: 0.85rem; margin: 0; }

/* ---------- SKILLS PAGE ---------- */
.skills-section {
  display: grid;
  gap: 24px;
}
.skills-block {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
}
.skills-block__head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 22px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border);
}
.skills-block__head .skill-category__icon {
  width: 50px; height: 50px;
}
.skills-block__head h2 { font-size: 1.25rem; margin: 0; }
.skills-block__head p { font-size: 0.85rem; margin: 2px 0 0; }
.skills-block__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 10px;
}
.skill-tag-lg {
  padding: 12px 16px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
  text-align: center;
  transition: all var(--transition);
}
.skill-tag-lg:hover {
  background: var(--lavender);
  border-color: var(--purple);
  color: var(--purple-deep);
  transform: translateY(-2px);
}

/* ---------- PROJECTS PAGE ---------- */
.filters-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-bottom: 32px;
  padding: 20px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}
.search-wrap {
  position: relative;
  flex: 1;
  min-width: 220px;
}
.search-wrap svg {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px; height: 18px;
  color: var(--text-secondary);
  pointer-events: none;
}
.search-wrap input {
  width: 100%;
  padding: 11px 14px 11px 42px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.9rem;
  color: var(--text-primary);
  background: var(--bg-main);
  transition: all var(--transition);
}
.search-wrap input:focus {
  border-color: var(--purple);
  outline: none;
  background: var(--white);
}

.filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  width: 100%;
}
.chip {
  padding: 8px 16px;
  border: 1.5px solid var(--border);
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--white);
  transition: all var(--transition);
}
.chip:hover { border-color: var(--purple); color: var(--purple); }
.chip.active {
  background: var(--purple);
  border-color: var(--purple);
  color: #fff;
}

.results-count {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
  font-weight: 600;
}

.no-results {
  text-align: center;
  padding: 60px 20px;
  background: var(--white);
  border: 1px dashed var(--border);
  border-radius: var(--radius-lg);
  color: var(--text-secondary);
}

/* ---------- PROJECT DETAIL PAGE ---------- */
.project-hero {
  padding: 56px 0 40px;
  background: linear-gradient(180deg, var(--bg-alt), var(--bg-main));
  border-bottom: 1px solid var(--border);
}
.project-hero h1 { margin: 12px 0 16px; font-size: clamp(1.8rem, 3.5vw, 2.6rem); }
.project-hero .lead { font-size: 1.1rem; max-width: 760px; margin-bottom: 20px; }
.project-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.project-preview {
  margin: 40px 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--white);
  box-shadow: var(--shadow);
}
.project-preview img { width: 100%; display: block; }
.project-preview__placeholder {
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, #E9E1FF, #D8CCFF);
  display: grid;
  place-items: center;
  text-align: center;
  padding: 40px;
  color: var(--purple-deep);
}
.project-preview__placeholder svg { width: 64px; height: 64px; margin: 0 auto 16px; }
.project-preview__placeholder strong { display: block; font-size: 1.1rem; margin-bottom: 6px; }
.project-preview__placeholder span { font-size: 0.88rem; color: var(--text-secondary); }

.case-study {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  padding: 48px 0;
}
.case-section h2 {
  font-size: 1.5rem;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
}
.case-section h2::before {
  content: '';
  width: 4px;
  height: 24px;
  background: var(--purple);
  border-radius: 4px;
}
.case-section h3 { font-size: 1.1rem; margin: 20px 0 10px; }
.case-section p { margin-bottom: 14px; }
.case-section ul {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
}
.case-section li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.92rem;
  color: var(--text-secondary);
}
.case-section li::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--purple);
  margin-top: 8px;
  flex-shrink: 0;
}

.workflow {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin: 20px 0;
}
.workflow-step {
  padding: 10px 16px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-primary);
}
.workflow-arrow { color: var(--purple); font-weight: 700; }

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 14px;
  margin: 20px 0;
}
.metric-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
}
.metric-card strong {
  display: block;
  font-size: 1.5rem;
  color: var(--purple-deep);
  font-weight: 800;
  margin-bottom: 4px;
}
.metric-card span { font-size: 0.8rem; color: var(--text-secondary); font-weight: 600; }

.metric-note {
  font-size: 0.82rem;
  color: var(--text-secondary);
  font-style: italic;
  margin-top: 8px;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  margin: 20px 0;
}
.gallery-item {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--white);
  cursor: zoom-in;
  transition: all var(--transition);
}
.gallery-item:hover {
  border-color: var(--purple);
  box-shadow: var(--shadow);
}
.gallery-item img { width: 100%; display: block; }
.gallery-item__placeholder {
  aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, #E9E1FF, #D8CCFF);
  display: grid;
  place-items: center;
  text-align: center;
  padding: 20px;
  color: var(--purple-deep);
}
.gallery-item__placeholder svg { width: 36px; height: 36px; margin: 0 auto 8px; }
.gallery-item__placeholder span { font-size: 0.82rem; }

.links-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 24px 0;
}

.prev-next {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 48px 0;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}
.prev-next a {
  display: block;
  padding: 20px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--transition);
}
.prev-next a:hover {
  border-color: var(--purple);
  box-shadow: var(--shadow);
}
.prev-next .label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--purple);
  margin-bottom: 6px;
}
.prev-next .title { font-size: 0.95rem; font-weight: 700; color: var(--text-primary); }
.prev-next .next { text-align: right; }

.back-to-projects {
  text-align: center;
  margin: 32px 0;
}

/* ---------- CONTACT PAGE ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}
.contact-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-sm);
}
.contact-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 24px 0;
}
.contact-link {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--transition);
  color: var(--text-primary);
}
.contact-link:hover {
  border-color: var(--purple);
  background: var(--white);
  transform: translateX(4px);
  color: var(--text-primary);
}
.contact-link__icon {
  width: 42px; height: 42px;
  border-radius: 10px;
  background: var(--lavender);
  color: var(--purple-deep);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.contact-link__icon svg { width: 20px; height: 20px; }
.contact-link__body strong { display: block; font-size: 0.92rem; }
.contact-link__body span { font-size: 0.82rem; color: var(--text-secondary); }

.copy-email-btn {
  margin-top: 12px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

/* ---------- FOOTER ---------- */
.footer {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  padding: 48px 0 32px;
  margin-top: 80px;
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 32px;
}
.footer__brand h3 { font-size: 1.1rem; margin-bottom: 10px; }
.footer__brand p { font-size: 0.88rem; max-width: 340px; }
.footer__col h4 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  margin-bottom: 14px;
  font-weight: 700;
}
.footer__col ul { display: flex; flex-direction: column; gap: 8px; }
.footer__col a {
  font-size: 0.88rem;
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.footer__col a:hover { color: var(--purple); }
.footer__col svg { width: 15px; height: 15px; }

.footer__bottom {
  padding-top: 24px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  font-size: 0.82rem;
  color: var(--text-secondary);
}

/* ---------- MOBILE BOTTOM NAV ---------- */
.mobile-bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--mobile-nav-height);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-top: 1px solid var(--border);
  z-index: 1000;
  padding-bottom: env(safe-area-inset-bottom);
}
.mobile-bottom-nav__inner {
  display: flex;
  height: 100%;
  align-items: center;
  justify-content: space-around;
}
.mobile-bottom-nav a {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 6px 10px;
  border-radius: 8px;
  flex: 1;
  text-align: center;
}
.mobile-bottom-nav a.active { color: var(--purple-deep); background: var(--lavender); }
.mobile-bottom-nav svg { width: 20px; height: 20px; }

/* ---------- BACK TO TOP ---------- */
.back-to-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--purple);
  color: #fff;
  display: grid;
  place-items: center;
  box-shadow: 0 8px 20px rgba(128, 100, 217, 0.4);
  z-index: 900;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition);
}
.back-to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: var(--purple-deep); transform: translateY(-3px); }
.back-to-top svg { width: 20px; height: 20px; }

/* ---------- LIGHTBOX ---------- */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(36, 33, 58, 0.92);
  z-index: 2000;
  padding: 40px;
  place-items: center;
}
.lightbox.open { display: grid; }
.lightbox img {
  max-width: 100%;
  max-height: 90vh;
  object-fit: contain;
  border-radius: var(--radius);
}
.lightbox__close {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  font-size: 1.5rem;
  display: grid;
  place-items: center;
  transition: all var(--transition);
}
.lightbox__close:hover { background: rgba(255, 255, 255, 0.3); }

/* ---------- REVEAL ANIMATION ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 1024px) {
  .hero__grid { grid-template-columns: 1fr; gap: 40px; }
  .hero__portrait { order: -1; }
  .hero__portrait-frame { width: min(280px, 70vw); }
  .stats-strip { grid-template-columns: repeat(2, 1fr); }
  .about-preview { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .about-photo { max-width: 380px; margin: 0 auto; }
  .featured-project { grid-template-columns: 1fr; }
  .featured-project__media { min-height: 240px; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .navbar__links, .navbar__cta .btn { display: none; }
  .hamburger { display: flex; }
  .section { padding: 56px 0; }
  .skills-grid { grid-template-columns: 1fr; }
  .footer { margin-top: 56px; padding-bottom: calc(var(--mobile-nav-height) + 24px + env(safe-area-inset-bottom)); }
  .mobile-bottom-nav { display: block; }
  body { padding-bottom: var(--mobile-nav-height); }
  .back-to-top { bottom: calc(var(--mobile-nav-height) + 16px + env(safe-area-inset-bottom)); }
  .prev-next { grid-template-columns: 1fr; }
  .project-grid { grid-template-columns: 1fr; }
  .cta { padding: 40px 24px; }
  .filters-bar { flex-direction: column; align-items: stretch; }
  .search-wrap { min-width: 100%; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero { padding: 40px 0 48px; }
  .stats-strip { grid-template-columns: 1fr 1fr; gap: 10px; }
  .stat-card { padding: 14px; }
  .stat-card strong { font-size: 1.2rem; }
  .about-preview__list { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .featured-project__body { padding: 24px; }
  .hero__actions .btn { width: 100%; justify-content: center; }
  .cta__actions .btn { width: 100%; justify-content: center; }
  .mobile-bottom-nav a { font-size: 0.62rem; }
  .lightbox { padding: 16px; }
}

/* ---------- 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; }
}