/* ========================================================
   DESIGN SYSTEM & GLOBAL STYLES
   ======================================================== */

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

:root {
  /* Colors - Dark Mode defaults */
  --bg: #080b11;
  --bg2: #111622;
  --text: #f8fafc;
  --text-dim: #94a3b8;
  --primary: #6366f1;
  --accent: #10b981;
  
  /* Dynamic Opacities (calculated in srgb space) */
  --primary-glow: color-mix(in srgb, var(--primary) 15%, transparent);
  --accent-glow: color-mix(in srgb, var(--accent) 15%, transparent);
  
  --glass: rgba(17, 22, 34, 0.75);
  --glass-border: rgba(255, 255, 255, 0.08);
  --nav-bg: rgba(8, 11, 17, 0.7);
  --card-hover: rgba(255, 255, 255, 0.02);
  --shadow-color: rgba(0, 0, 0, 0.35);
  
  /* Typography */
  --font-heading: "Plus Jakarta Sans", sans-serif;
  --font-body: "Inter", sans-serif;
}

.light-mode {
  /* Colors - Light Mode defaults */
  --bg: #f8fafc;
  --bg2: #ffffff;
  --text: #0f172a;
  --text-dim: #64748b;
  --primary: #4f46e5;
  --accent: #059669;
  
  --primary-glow: color-mix(in srgb, var(--primary) 10%, transparent);
  --accent-glow: color-mix(in srgb, var(--accent) 10%, transparent);
  
  --glass: rgba(255, 255, 255, 0.8);
  --glass-border: rgba(0, 0, 0, 0.06);
  --nav-bg: rgba(248, 250, 252, 0.7);
  --card-hover: rgba(0, 0, 0, 0.01);
  --shadow-color: rgba(15, 23, 42, 0.06);
}

html {
  scroll-behavior: smooth;
  height: 100%;
  font-size: 16px;
}

body {
  height: 100%;
  font-family: var(--font-body);
  background-color: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Global SVG Lucide Icons Reset */
.lucide,
svg[data-lucide] {
  display: inline-block;
  vertical-align: middle;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  transition: stroke 0.3s ease, transform 0.3s ease;
}

/* ========================================================
   PRELOADER
   ======================================================== */

#preloader {
  position: fixed;
  inset: 0;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 99999;
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), 
              visibility 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

#preloader.hidden {
  opacity: 0;
  visibility: hidden;
}

.welcome-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  text-align: center;
}

.welcome-word {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  font-weight: 800;
  letter-spacing: 4px;
  color: transparent;
  background: linear-gradient(135deg, var(--text), var(--primary));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: welcome-fade-in-out 2.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.welcome-line {
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
  animation: line-grow 2.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes welcome-fade-in-out {
  0% {
    opacity: 0;
    transform: scale(0.95);
    letter-spacing: 0px;
  }
  30%, 75% {
    opacity: 1;
    transform: scale(1);
    letter-spacing: 4px;
  }
  100% {
    opacity: 0;
    transform: scale(1.05);
    letter-spacing: 6px;
  }
}

@keyframes line-grow {
  0% {
    width: 0;
  }
  35%, 75% {
    width: 160px;
  }
  100% {
    width: 0;
  }
}

/* ========================================================
   BACKGROUND ELEMENTS (AMBIENT GLOWS)
   ======================================================== */

.ambient-glow {
  position: fixed;
  width: 45vw;
  height: 45vw;
  max-width: 600px;
  max-height: 600px;
  border-radius: 50%;
  z-index: -2;
  filter: blur(140px);
  opacity: 0.18;
  pointer-events: none;
  transition: opacity 0.5s, transform 0.5s;
}

.light-mode .ambient-glow {
  opacity: 0.06;
  filter: blur(100px);
}

.glow-1 {
  top: -10%;
  left: -10%;
  background: var(--primary);
  animation: float-slow-1 25s infinite alternate ease-in-out;
}

.glow-2 {
  bottom: -10%;
  right: -10%;
  background: var(--accent);
  animation: float-slow-2 30s infinite alternate ease-in-out;
}

@keyframes float-slow-1 {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(80px, 50px) scale(1.1); }
}

@keyframes float-slow-2 {
  0% { transform: translate(0, 0) scale(1.1); }
  100% { transform: translate(-100px, -60px) scale(0.9); }
}

.bg-gradient-overlay {
  position: fixed;
  inset: 0;
  z-index: -3;
  background-color: var(--bg);
}

/* ========================================================
   FLOATING PILL NAVBAR
   ======================================================== */

.nav {
  position: fixed;
  top: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  width: 90%;
  max-width: 1100px;
  padding: 0.75rem 2rem;
  border-radius: 100px;
  background: var(--nav-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  box-shadow: 0 10px 30px var(--shadow-color);
  z-index: 1000;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.nav-logo {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--primary);
  text-decoration: none;
  letter-spacing: -0.5px;
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
}

.nav-links a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 550;
  transition: color 0.3s ease;
  position: relative;
  padding: 0.25rem 0;
}

.nav-links a:hover {
  color: var(--text);
}

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  border-radius: 2px;
}

.nav-links a:hover::after {
  width: 100%;
}

.theme-toggle {
  background: none;
  border: 1px solid var(--glass-border);
  color: var(--text);
  cursor: pointer;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.theme-toggle:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-glow);
}

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 22px;
  height: 16px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 1001;
}

.hamburger .bar {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--text);
  border-radius: 2px;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@media (max-width: 768px) {
  .nav {
    top: 1rem;
    padding: 0.75rem 1.5rem;
  }

  .nav-links {
    position: fixed;
    top: 5rem;
    right: -100%;
    width: calc(100% - 3rem);
    max-width: 320px;
    height: auto;
    padding: 2.5rem;
    border-radius: 24px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
    transition: right 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 20px 40px var(--shadow-color);
  }

  .nav-links.open {
    right: 1.5rem;
  }

  .hamburger {
    display: flex;
  }

  /* Hamburger active transition */
  .hamburger.active .bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  
  .hamburger.active .bar:nth-child(2) {
    opacity: 0;
    transform: translateX(10px);
  }
  
  .hamburger.active .bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
}

/* ========================================================
   SECTIONS & TYPOGRAPHY
   ======================================================== */

section {
  padding: 8rem 1.5rem 6rem;
  max-width: 1100px;
  margin: 0 auto;
  position: relative;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  text-align: center;
  margin-bottom: 0.5rem;
  color: var(--text);
  letter-spacing: -0.5px;
}

.section-title span {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-sub {
  text-align: center;
  color: var(--text-dim);
  margin-bottom: 4rem;
  font-size: 1rem;
}

/* ========================================================
   GLASS CARDS (COMMON SYSTEM)
   ======================================================== */

.glass {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 8px 30px var(--shadow-color);
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.glass:hover {
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--primary) 30%, var(--glass-border));
  box-shadow: 0 16px 40px var(--shadow-color), 0 0 25px var(--primary-glow);
}

/* ========================================================
   HERO SECTION
   ======================================================== */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8rem 1.5rem 4rem;
  position: relative;
}

.hero-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  max-width: 800px;
  width: 100%;
}

.hero-avatar {
  position: relative;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  padding: 3px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  box-shadow: 0 0 30px var(--primary-glow);
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-avatar:hover {
  transform: scale(1.04);
}

.hero-avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  display: block;
}

.hero-avatar-inner {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: var(--bg2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3.2rem;
  font-weight: 850;
  color: var(--primary);
  font-family: var(--font-heading);
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.25rem, 6vw, 3.85rem);
  font-weight: 850;
  line-height: 1.15;
  color: var(--text);
  margin-bottom: 1rem;
  letter-spacing: -1px;
}

.gradient-text {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.typing-line {
  font-size: clamp(1.1rem, 3vw, 1.45rem);
  color: var(--text-dim);
  height: 2em;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 2rem;
  font-weight: 450;
}

.typing-cursor {
  display: inline-block;
  width: 2px;
  height: 1.2em;
  background: var(--primary);
  margin-left: 4px;
  animation: blink 0.6s step-end infinite;
}

@keyframes blink {
  from, to { background-color: transparent }
  50% { background-color: var(--primary) }
}

.hero-btns {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
  width: 100%;
}

/* Button System */
.btn {
  padding: 0.85rem 1.85rem;
  border-radius: 14px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border: none;
  outline: none;
}

.btn-primary {
  background-color: var(--primary);
  color: #ffffff;
  box-shadow: 0 4px 20px var(--primary-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--primary-glow);
}

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

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

.btn-accent {
  background-color: var(--accent);
  color: #ffffff;
  box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--accent-glow);
}

/* ========================================================
   ABOUT SECTION
   ======================================================== */

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

@media (max-width: 900px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

.about-info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.about-bio {
  padding: 2.5rem;
  position: relative;
  overflow: hidden;
}

.about-bio p {
  color: var(--text-dim);
  line-height: 1.75;
  font-size: 1.05rem;
  position: relative;
  z-index: 1;
}

.bio-quote-icon {
  position: absolute;
  top: -1rem;
  left: 0.75rem;
  font-size: 8rem;
  font-family: Georgia, serif;
  color: var(--primary-glow);
  line-height: 1;
  pointer-events: none;
  user-select: none;
  opacity: 0.7;
}

.about-stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.stat-card {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  justify-content: center;
}

.stat-num {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 850;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.25rem;
}

.stat-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.75px;
}

.about-details {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.info-item {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.info-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--primary-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  flex-shrink: 0;
}

.info-text {
  display: flex;
  flex-direction: column;
}

.info-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-dim);
  margin-bottom: 0.15rem;
  font-weight: 600;
}

.info-val {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  transition: color 0.3s ease;
}

.info-val-link {
  text-decoration: none;
}

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

.about-education {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.about-subtitle {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 750;
  color: var(--text);
}

.education-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.edu-card {
  padding: 1.5rem;
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  text-decoration: none;
  color: inherit;
}

.edu-badge {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: var(--primary-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  flex-shrink: 0;
  transition: transform 0.3s ease, background-color 0.3s ease;
}

.edu-card:hover .edu-badge {
  transform: scale(1.1) rotate(6deg);
  background-color: var(--primary);
  color: #fff;
}

.edu-content {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.edu-content h4 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
}

.edu-content p {
  font-size: 0.875rem;
  color: var(--text-dim);
}

.edu-action {
  font-size: 0.8rem;
  font-weight: 650;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  margin-top: 0.5rem;
  transition: gap 0.2s ease;
}

.edu-card:hover .edu-action {
  gap: 0.4rem;
}

/* ========================================================
   SKILLS SECTION
   ======================================================== */

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.skill-card {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  cursor: default;
}

.skill-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.skill-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--primary-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.skill-card:hover .skill-icon {
  transform: scale(1.1) rotate(-5deg);
}

.skill-pct {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--primary);
}

.skill-header h4 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.75rem;
}

.skill-bar {
  height: 8px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  overflow: hidden;
}

.light-mode .skill-bar {
  background: rgba(0, 0, 0, 0.05);
}

.skill-fill {
  height: 100%;
  border-radius: 10px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  width: 0;
  transition: width 1.5s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ========================================================
   PROJECTS SECTION
   ======================================================== */

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(310px, 1fr));
  gap: 2rem;
}

.project-card {
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.project-thumbnail {
  height: 190px;
  position: relative;
  background: linear-gradient(135deg, var(--primary-glow), var(--accent-glow));
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--glass-border);
  overflow: hidden;
}

.project-thumbnail-pattern {
  position: absolute;
  inset: 0;
  opacity: 0.12;
  background-image: radial-gradient(var(--text) 1px, transparent 1px);
  background-size: 12px 12px;
}

.project-emoji-wrapper {
  font-size: 3.75rem;
  z-index: 2;
  transition: transform 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.project-card:hover .project-emoji-wrapper {
  transform: scale(1.22) rotate(-5deg);
}

.project-body {
  padding: 1.75rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.project-tag-badge {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.25rem 0.65rem;
  border-radius: 100px;
  background: var(--primary-glow);
  color: var(--primary);
  border: 1px solid color-mix(in srgb, var(--primary) 15%, transparent);
}

.project-body h4 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 750;
  margin-bottom: 0.5rem;
  color: var(--text);
}

.project-body p {
  font-size: 0.9rem;
  color: var(--text-dim);
  line-height: 1.6;
  margin-bottom: 1.75rem;
  flex: 1;
}

.project-links {
  display: flex;
  gap: 0.75rem;
  margin-top: auto;
}

.project-links a {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  font-size: 0.8rem;
  font-weight: 650;
  padding: 0.6rem 1rem;
  border-radius: 12px;
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-live {
  background-color: var(--primary);
  color: #ffffff;
  box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-live:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px var(--primary-glow);
}

.btn-gh {
  background-color: transparent;
  color: var(--text);
  border: 1px solid var(--glass-border);
}

.btn-gh:hover {
  background-color: var(--glass-border);
  border-color: var(--text-dim);
}

/* ========================================================
   CONTACT SECTION
   ======================================================== */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 3rem;
  align-items: start;
}

@media (max-width: 900px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

.contact-card {
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.contact-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: var(--primary-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  flex-shrink: 0;
  font-size: 1.2rem;
}

.contact-details {
  display: flex;
  flex-direction: column;
}

.contact-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-dim);
  margin-bottom: 0.15rem;
  font-weight: 600;
}

.contact-link {
  font-size: 0.95rem;
  font-weight: 650;
  color: var(--text);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

.contact-form-container {
  padding: 2.5rem;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-group {
  position: relative;
  width: 100%;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 1.1rem;
  background: rgba(255, 255, 255, 0.02);
  border: 1.5px solid var(--glass-border);
  border-radius: 14px;
  color: var(--text);
  font-size: 0.95rem;
  font-family: var(--font-body);
  outline: none;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.light-mode .form-group input,
.light-mode .form-group textarea {
  background: rgba(0, 0, 0, 0.01);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  background-color: rgba(255, 255, 255, 0.04);
  box-shadow: 0 0 0 4px var(--primary-glow);
}

.light-mode .form-group input:focus,
.light-mode .form-group textarea:focus {
  background-color: rgba(0, 0, 0, 0.02);
}

.form-group label {
  position: absolute;
  left: 1.1rem;
  top: 1.1rem;
  font-size: 0.95rem;
  color: var(--text-dim);
  pointer-events: none;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  padding: 0 0.25rem;
  background-color: transparent;
}

.form-group textarea ~ label {
  top: 1.1rem;
}

/* Floating label trigger when active */
.form-group input:focus ~ label,
.form-group textarea:focus ~ label,
.form-group input:not(:placeholder-shown) ~ label,
.form-group textarea:not(:placeholder-shown) ~ label {
  top: -0.65rem;
  left: 0.9rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--primary);
  background-color: var(--bg);
  padding: 0 0.4rem;
}

#submitBtn {
  width: fit-content;
  padding: 0.9rem 2.25rem;
  margin-top: 0.5rem;
}

/* Loading spinner in button */
.btn-spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  margin-right: 0.5rem;
}

/* Formspree Success placeholder removal */
#successMsg {
  display: none;
}

/* ========================================================
   FOOTER
   ======================================================== */

.site-footer {
  text-align: center;
  padding: 4rem 1.5rem;
  border-top: 1px solid var(--glass-border);
  color: var(--text-dim);
  font-size: 0.85rem;
}

.footer-socials {
  display: flex;
  justify-content: center;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.footer-socials a {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.footer-socials a:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-glow);
  transform: translateY(-3px);
}

/* ========================================================
   SCROLL TO TOP BUTTON
   ======================================================== */

.scroll-top {
  position: fixed;
  bottom: 2.5rem;
  right: 2.5rem;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--primary);
  color: #ffffff;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 99;
  box-shadow: 0 10px 25px var(--primary-glow);
}

.scroll-top.show {
  opacity: 1;
  transform: translateY(0);
}

.scroll-top:hover {
  background-color: var(--accent);
  box-shadow: 0 10px 25px var(--accent-glow);
  transform: translateY(-2px);
}

/* ========================================================
   SCROLL REVEAL (FADE-IN ANIMATIONS)
   ======================================================== */

.sr {
  opacity: 0;
  transform: translateY(25px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.sr.visible {
  opacity: 1;
  transform: translateY(0);
}

.sr-delay-1 { transition-delay: 0.1s; }
.sr-delay-2 { transition-delay: 0.2s; }
.sr-delay-3 { transition-delay: 0.3s; }
.sr-delay-4 { transition-delay: 0.4s; }

/* ========================================================
   TOAST NOTIFICATION System
   ======================================================== */

.toast {
  position: fixed;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background-color: var(--accent);
  color: #ffffff;
  padding: 0.85rem 1.75rem;
  border-radius: 14px;
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: 0 15px 35px var(--accent-glow);
  z-index: 10000;
  opacity: 0;
  pointer-events: none;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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