/* ==========================================================================
   PORTFOLIO DESIGN SYSTEM & CLEAN STYLES
   Exact aesthetic inspired by Nishchitha Vemgal Anand
   ========================================================================== */

@import url("https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800;900&display=swap");

/* --- Design Tokens & Variables --- */
:root {
  --font-main: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* Light Theme */
  --bg-main: hsl(0, 0%, 96%);
  --bg-card: hsl(0, 0%, 100%);
  --bg-card-subtle: hsl(0, 0%, 98%);
  --bg-glass: rgba(255, 255, 255, 0.85);
  --bg-glass-strong: rgba(255, 255, 255, 0.95);

  --text-main: hsl(0, 0%, 10%);
  --text-muted: hsl(0, 0%, 40%);
  --text-subtle: hsl(0, 0%, 55%);
  --text-inverse: hsl(0, 0%, 100%);

  /* Primary Modern Blue Palette */
  --primary: hsl(221, 83%, 53%);
  --primary-hover: hsl(221, 83%, 45%);
  --primary-light: hsl(214, 95%, 93%);
  --primary-subtle: rgba(37, 99, 235, 0.08);
  --primary-glow: rgba(37, 99, 235, 0.22);

  --accent: hsl(214, 90%, 95%);
  --accent-foreground: hsl(221, 83%, 35%);

  --border: hsl(0, 0%, 91%);
  --border-strong: hsl(0, 0%, 82%);

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 10px 25px -5px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 18px 40px -12px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.12);

  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 24px;
  --radius-xl: 40px;
  --radius-pill: 9999px;

  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Dark Theme */
[data-theme="dark"] {
  --bg-main: hsl(220, 10%, 5%);
  --bg-card: hsl(220, 15%, 11%);
  --bg-card-subtle: hsl(220, 12%, 14%);
  --bg-glass: rgba(19, 23, 34, 0.85);
  --bg-glass-strong: rgba(19, 23, 34, 0.95);

  --text-main: hsl(0, 0%, 96%);
  --text-muted: hsl(220, 8%, 68%);
  --text-subtle: hsl(220, 8%, 50%);
  --text-inverse: hsl(220, 10%, 5%);

  --primary: hsl(217, 91%, 60%);
  --primary-hover: hsl(217, 91%, 68%);
  --primary-light: hsl(221, 40%, 18%);
  --primary-subtle: rgba(59, 130, 246, 0.15);
  --primary-glow: rgba(59, 130, 246, 0.35);

  --accent: hsl(222, 47%, 14%);
  --accent-foreground: hsl(0, 0%, 100%);

  --border: hsl(220, 10%, 18%);
  --border-strong: hsl(220, 10%, 25%);

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 10px 25px -5px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 18px 40px -12px rgba(0, 0, 0, 0.6);
  --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.75);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.5;
  overflow-x: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
  min-height: 100vh;
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  outline: none;
  transition: var(--transition);
}

ul {
  list-style: none;
}

/* --- Layout --- */
.container {
  width: 100%;
  max-width: 1240px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 2rem;
  padding-right: 2rem;
}

.section {
  padding: 5rem 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section-title {
  font-size: clamp(2.2rem, 4vw, 3.25rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-main);
  line-height: 1.15;
  margin-bottom: 0.5rem;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
}

/* --- Floating Pill Navbar --- */
.nav-wrapper {
  position: fixed;
  top: 1.25rem;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  z-index: 1000;
  padding: 0 1.5rem;
  pointer-events: none;
}

.navbar {
  pointer-events: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 0.4rem 0.5rem;
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

.theme-toggle-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-main);
  border: 1px solid var(--border);
  background: var(--bg-card);
  transition: var(--transition);
}

.theme-toggle-btn:hover {
  background: var(--bg-card-subtle);
  border-color: var(--primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-link {
  padding: 0.45rem 1rem;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-main);
  border-radius: var(--radius-pill);
  transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary);
  font-weight: 600;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-cta-btn {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1.35rem;
  border-radius: var(--radius-pill);
  background: var(--primary);
  color: #ffffff;
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.nav-cta-btn:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
}

/* Mobile Toggle with Stylized 3-Line SVG */
.mobile-toggle-btn {
  display: none;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  align-items: center;
  justify-content: center;
  color: var(--text-main);
  background: var(--bg-card);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: var(--transition);
}

.mobile-toggle-btn:hover {
  background: var(--bg-card-subtle);
  border-color: var(--primary);
}

.hamburger-svg {
  width: 20px;
  height: 20px;
  display: block;
}

.ham-line {
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.25s ease, stroke 0.2s ease;
  transform-origin: 12px 12px;
}

.ham-mid {
  stroke: var(--primary);
}

.mobile-toggle-btn.open .ham-top {
  transform: translateY(6px) rotate(45deg);
}

.mobile-toggle-btn.open .ham-mid {
  opacity: 0;
  transform: scaleX(0);
}

.mobile-toggle-btn.open .ham-bot {
  transform: translateY(-6px) rotate(-45deg);
}

.mobile-menu-drawer {
  position: fixed;
  top: 5.5rem;
  left: 1.5rem;
  right: 1.5rem;
  background: var(--bg-glass-strong);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1rem;
  box-shadow: var(--shadow-xl);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-10px) scale(0.98);
  transition: var(--transition);
}

.mobile-menu-drawer.open {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0) scale(1);
}

.mobile-nav-link {
  padding: 0.75rem 1rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  color: var(--text-main);
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
  background: var(--primary-light);
  color: var(--primary);
}

/* --- Hero Section --- */
.hero-section {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8.5rem 0 4.5rem;
  overflow: hidden;
}

.hero-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

.hero-bg-glow {
  position: absolute;
  width: 550px;
  height: 550px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--primary-glow) 0%, transparent 70%);
  filter: blur(90px);
  top: 40%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
}

.hero-title-stage {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  user-select: none;
  line-height: 0.88;
}

.hero-giant-word {
  font-size: clamp(3.2rem, 9.5vw, 8.5rem);
  font-weight: 900;
  letter-spacing: -0.035em;
  text-transform: uppercase;
}

.hero-giant-word.top {
  color: var(--text-main);
  z-index: 1;
}

.hero-giant-word.bottom {
  color: var(--primary);
  z-index: 1;
}

.hero-avatar-wrapper {
  position: absolute;
  top: 155%;
  left: 50%;
  transform: translate(-50%, -20%);
  z-index: 3;
  width: clamp(210px, 25vw, 360px);
  pointer-events: auto;
}

.hero-avatar-card {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
}

.hero-avatar-img {
  width: 100%;
  height: auto;
  display: block;
  filter: drop-shadow(0 15px 25px rgba(0, 0, 0, 0.12));
  transition: var(--transition-smooth);
  -webkit-mask-image: linear-gradient(to bottom, black 75%, transparent 100%);
  mask-image: linear-gradient(to bottom, black 75%, transparent 100%);
}

.hero-avatar-wrapper:hover .hero-avatar-img {
  transform: translateY(-4px) scale(1.02);
}

.hero-spacer {
  height: clamp(140px, 15vw, 210px);
}

/* Hero Bottom Row */
.hero-bottom-row {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  margin-top: 2rem;
}

.hero-text-col {
  max-width: 480px;
  text-align: left;
}

.hero-intro-text {
  font-size: clamp(1rem, 1.3vw, 1.12rem);
  color: var(--text-muted);
  line-height: 1.6;
}

.hero-bold-line {
  color: var(--text-main);
  font-weight: 700;
}

.hero-author-highlight {
  color: var(--primary);
  font-weight: 700;
}

.hero-action-col {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 2rem;
  border-radius: var(--radius-pill);
  background: var(--primary);
  color: #ffffff;
  font-size: 0.98rem;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 2rem;
  border-radius: var(--radius-pill);
  background: var(--bg-card);
  color: var(--text-main);
  border: 1.5px solid var(--border-strong);
  font-size: 0.98rem;
  font-weight: 600;
  transition: var(--transition);
}

.btn-secondary:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
}

/* --- Infinite Tools Marquee --- */
.tools-section {
  padding: 2.2rem 0;
  position: relative;
  overflow: hidden;
  background: var(--bg-main);
}

.marquee-container {
  position: relative;
  width: 100%;
  overflow: hidden;
}

.marquee-mask-left,
.marquee-mask-right {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 100px;
  z-index: 2;
  pointer-events: none;
}

.marquee-mask-left {
  left: 0;
  background: linear-gradient(to right, var(--bg-main), transparent);
}

.marquee-mask-right {
  right: 0;
  background: linear-gradient(to left, var(--bg-main), transparent);
}

.marquee-track {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  width: max-content;
  animation: marquee 35s linear infinite;
}

.marquee-track:hover {
  animation-play-state: paused;
}

@keyframes marquee {
  0% {
    transform: translateX(0);
  }

  100% {
    transform: translateX(-50%);
  }
}

.tool-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-pill);
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-main);
  font-size: 0.92rem;
  font-weight: 500;
  box-shadow: var(--shadow-sm);
  white-space: nowrap;
  transition: var(--transition);
}

.tool-chip:hover {
  border-color: var(--primary);
  transform: translateY(-1px);
}

.tool-chip-svg {
  width: 22px;
  height: 22px;
  object-fit: contain;
}

/* --- Latest Work Grid --- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-strong);
}

.project-thumb-box {
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--bg-card-subtle);
}

.project-thumb-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.project-card:hover .project-thumb-img {
  transform: scale(1.02);
}

.project-card-footer {
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.project-card-meta {
  flex: 1;
  min-width: 0;
}

.project-card-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.project-card-sub {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-top: 0.15rem;
}

.project-card-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1.2rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-strong);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-main);
  background: var(--bg-card);
  flex-shrink: 0;
  transition: var(--transition);
}

.project-card-btn:hover {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
}

.view-all-work-row {
  display: flex;
  justify-content: center;
  margin-top: 3rem;
}

/* ==========================================================================
   WHAT I OFFER - STICKY SCROLL CARD STACKING ANIMATION
   Exact mechanism as Nishchitha Vemgal Anand's production portfolio
   ========================================================================== */

.offer-sticky-wrapper {
  position: relative;
  height: 400vh;
  /* 4 steps * 100vh */
  background: var(--bg-main);
}

.offer-sticky-inner {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--bg-main);
}

.offer-bg-glow-left {
  position: absolute;
  left: -8%;
  top: 50%;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: var(--primary-glow);
  filter: blur(120px);
  pointer-events: none;
}

.offer-bg-glow-right {
  position: absolute;
  right: -8%;
  top: 50%;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: var(--primary-glow);
  filter: blur(120px);
  pointer-events: none;
}

.offer-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 2;
  width: 100%;
}

.offer-left-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.offer-header {
  margin-bottom: 2rem;
}

.offer-visual-box {
  width: 100%;
  max-width: 420px;
  aspect-ratio: 1 / 1;
  position: relative;
}

.offer-visual-item {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  transition: opacity 0.35s ease;
  pointer-events: none;
}

.offer-visual-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* Right Column: Stacking Deck */
.offer-right-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
}

.offer-deck-stack {
  position: relative;
  width: 100%;
  max-width: 440px;
  height: 440px;
}

.offer-scroll-card {
  position: absolute;
  inset: 0;
  border-radius: var(--radius-xl);
  padding: 3rem 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 0 18px 50px -18px rgba(0, 0, 0, 0.15);
  border: 2px solid transparent;
  transform-origin: center center;
  will-change: transform, opacity;
  transition: border-color 0.3s ease;
}

.offer-scroll-card.accent-card {
  background: var(--accent);
  border-color: rgba(37, 99, 235, 0.25);
}

.offer-scroll-card.standard-card {
  background: var(--bg-card);
  border-color: var(--border);
}

.offer-card-top {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.offer-card-icon {
  width: 28px;
  height: 28px;
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: center;
}

.offer-card-icon svg {
  width: 100%;
  height: 100%;
}

.offer-card-title {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-main);
}

.offer-card-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin: 1.5rem 0;
}

.offer-card-list li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: var(--text-main);
  opacity: 0.85;
}

.check-svg {
  width: 18px;
  height: 18px;
  color: var(--primary);
  flex-shrink: 0;
}

.offer-card-bottom {
  display: flex;
  justify-content: flex-start;
}

.offer-dots-row {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  margin-top: 1.75rem;
}

.offer-dot-btn {
  width: 10px;
  height: 10px;
  border-radius: var(--radius-pill);
  background: var(--border-strong);
  transition: all 0.3s ease;
}

.offer-dot-btn.active {
  width: 24px;
  background: var(--primary);
}

/* --- About Me Section --- */
.about-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 3.5rem;
  align-items: center;
}

.about-card-left {
  position: relative;
}

.about-card-inner {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.about-card-badge-top {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 1.5rem;
}

.about-avatar-box {
  width: 220px;
  height: 220px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 1.75rem;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
}

.about-avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-checkout-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.65rem 1.6rem;
  border-radius: var(--radius-pill);
  border: 1.5px solid var(--border-strong);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-main);
  background: var(--bg-card);
  transition: var(--transition);
}

.about-checkout-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.about-content-right {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.about-heading {
  font-size: clamp(2.2rem, 3.5vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--primary);
}

.about-body-text {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.about-body-text strong {
  color: var(--text-main);
}

.stats-bar-grid {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.stat-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1rem 1.5rem;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
}

.stat-number {
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--text-main);
  line-height: 1.1;
}

.stat-label {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

.socials-pill-row {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.social-pill {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.social-pill:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
}

/* --- Technical Skills Single Section --- */
.skills-single-box {
  max-width: 860px;
  margin: 0 auto;
}

.skill-category-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 2.75rem 2.5rem;
  box-shadow: var(--shadow-sm);
}

.skill-category-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 1.5rem;
  text-align: center;
}

.skill-chips-wrap {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
}

.skill-interactive-badge {
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-pill);
  background: var(--bg-card-subtle);
  border: 1px solid var(--border);
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-main);
  transition: var(--transition);
  cursor: default;
}

.skill-interactive-badge:hover {
  background: var(--primary-light);
  border-color: var(--primary);
  color: var(--primary);
}

/* --- Contact Section --- */
.contact-container-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 4rem 2.5rem;
  box-shadow: var(--shadow-lg);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.contact-title {
  font-size: clamp(2.2rem, 4vw, 3.25rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  color: var(--text-main);
  margin-bottom: 0.75rem;
}

.contact-subtext {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 550px;
  margin: 0 auto 2.5rem;
}

.contact-pill-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.email-copy-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.8rem 1.75rem;
  border-radius: var(--radius-pill);
  background: var(--bg-card);
  border: 1.5px solid var(--border-strong);
  color: var(--text-main);
  font-size: 0.98rem;
  font-weight: 600;
  position: relative;
  transition: var(--transition);
}

.email-copy-pill:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.copy-tooltip {
  position: absolute;
  top: -38px;
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  background: var(--text-main);
  color: var(--bg-main);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 600;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
  white-space: nowrap;
}

.copy-tooltip.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* --- Footer --- */
.site-footer {
  background: var(--bg-main);
  border-top: 1px solid var(--border);
  padding: 3.5rem 0 2rem;
}

.footer-top-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 2rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--border);
}

.footer-brand h3 {
  font-size: 1.75rem;
  font-weight: 900;
  color: var(--primary);
}

.footer-nav-row {
  display: flex;
  gap: 1.5rem;
  margin-top: 0.75rem;
}

.footer-link {
  font-size: 0.95rem;
  color: var(--text-main);
  font-weight: 500;
}

.footer-link:hover {
  color: var(--primary);
}

.footer-actions-col {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 1rem;
}

.footer-bottom-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  padding-top: 1.75rem;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.footer-bottom-row a {
  color: var(--text-main);
}

.footer-bottom-row a:hover {
  color: var(--primary);
}

/* Back to top */
.back-to-top-btn {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  z-index: 900;
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: var(--transition);
}

.back-to-top-btn.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.back-to-top-btn:hover {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
}