@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@300;400;500;600;700;800&display=swap');

:root {
  /* Colors */
  --bg-void: hsl(224, 71%, 4%);
  --bg-deep: hsl(224, 71%, 6%);
  --bg-surface: hsla(224, 71%, 10%, 0.6);
  --bg-surface-hover: hsla(224, 71%, 15%, 0.85);
  
  --primary: hsl(174, 90%, 48%);
  --primary-glow: hsla(174, 90%, 48%, 0.15);
  --secondary: hsl(263, 90%, 60%);
  --secondary-glow: hsla(263, 90%, 60%, 0.15);
  --accent: hsl(328, 100%, 60%);
  --accent-glow: hsla(328, 100%, 60%, 0.15);
  
  --text-primary: hsl(210, 40%, 98%);
  --text-secondary: hsl(215, 20%, 75%);
  --text-muted: hsl(215, 15%, 55%);
  
  --border-color: hsla(224, 50%, 20%, 0.4);
  --border-glow: hsla(174, 90%, 48%, 0.25);
  
  /* Fonts */
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 8rem;
  
  /* Utilities */
  --border-radius-sm: 8px;
  --border-radius-md: 16px;
  --border-radius-lg: 24px;
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.2s ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-void);
  color: var(--text-primary);
  font-family: var(--font-body);
  overflow-x: hidden;
}

body {
  min-height: 100vh;
  line-height: 1.6;
  position: relative;
}

/* Background elements */
.ambient-background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
  background: radial-gradient(circle at 10% 20%, hsl(224, 71%, 4%) 0%, hsl(224, 71%, 2%) 90%);
  overflow: hidden;
}

.ambient-glow-1, .ambient-glow-2, .ambient-glow-3 {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.3;
  pointer-events: none;
  mix-blend-mode: screen;
  transition: var(--transition-smooth);
}

.ambient-glow-1 {
  top: -10%;
  right: -10%;
  width: 50vw;
  height: 50vw;
  background: radial-gradient(circle, var(--secondary) 0%, transparent 70%);
  animation: floatGlow1 25s infinite alternate ease-in-out;
}

.ambient-glow-2 {
  bottom: 10%;
  left: -10%;
  width: 60vw;
  height: 60vw;
  background: radial-gradient(circle, var(--primary) 0%, transparent 70%);
  animation: floatGlow2 30s infinite alternate ease-in-out;
}

.ambient-glow-3 {
  top: 40%;
  right: 20%;
  width: 35vw;
  height: 35vw;
  background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
  animation: floatGlow3 20s infinite alternate ease-in-out;
  opacity: 0.15;
}

.cursor-glow {
  position: fixed;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(0, 242, 254, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  z-index: -1;
  transform: translate(-50%, -50%);
  opacity: 0;
  transition: opacity 0.5s ease;
}

/* Animations */
@keyframes floatGlow1 {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(-10%, 15%) scale(1.1); }
}

@keyframes floatGlow2 {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(15%, -10%) scale(1.05); }
}

@keyframes floatGlow3 {
  0% { transform: translate(0, 0) scale(0.9); }
  100% { transform: translate(-15%, -15%) scale(1.15); }
}

@keyframes pulse {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 0.9; }
}

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

/* Layout Utilities */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.grid {
  display: grid;
  gap: var(--spacing-md);
}

.grid-2 {
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

.grid-3 {
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Typography & Headers */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.2;
}

h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  letter-spacing: -0.03em;
  font-weight: 800;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.02em;
  margin-bottom: var(--spacing-sm);
  position: relative;
  display: inline-block;
}

h3 {
  font-size: clamp(1.25rem, 2vw, 1.75rem);
  margin-bottom: var(--spacing-xs);
}

p {
  color: var(--text-secondary);
  font-size: clamp(1rem, 1.1vw, 1.15rem);
}

.gradient-text {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 50%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg-void);
}

::-webkit-scrollbar-thumb {
  background: hsla(224, 50%, 20%, 0.8);
  border-radius: 5px;
  border: 2px solid var(--bg-void);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary);
}

/* Header & Navigation */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  transition: var(--transition-smooth);
  border-bottom: 1px solid transparent;
}

header.scrolled {
  background: hsla(224, 71%, 4%, 0.7);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  padding: 0.75rem 0;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem var(--spacing-md);
  max-width: 1200px;
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.logo-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--bg-void);
  font-weight: 800;
  font-size: 1.2rem;
  box-shadow: 0 0 15px var(--primary-glow);
}

.nav-menu {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: var(--transition-fast);
  position: relative;
  padding: 0.25rem 0;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary);
  transition: var(--transition-fast);
}

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

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
}

@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background: hsla(224, 71%, 6%, 0.95);
    backdrop-filter: blur(24px);
    flex-direction: column;
    padding: var(--spacing-xl) var(--spacing-md);
    transition: var(--transition-smooth);
    border-left: 1px solid var(--border-color);
  }

  .nav-menu.active {
    right: 0;
  }
}

/* Glassmorphism Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.75rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  border-radius: var(--border-radius-sm);
  text-decoration: none;
  transition: var(--transition-smooth);
  cursor: pointer;
  gap: 0.5rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--bg-void);
  border: none;
  box-shadow: 0 4px 20px var(--primary-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 242, 254, 0.4);
}

.btn-secondary {
  background: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background: var(--bg-surface-hover);
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px var(--primary-glow);
}

/* Hero Section */
.hero {
  padding: var(--spacing-xl) 0 var(--spacing-lg);
  min-height: 90vh;
  display: flex;
  align-items: center;
  position: relative;
}

.hero-content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero h1 {
  margin-bottom: 1.5rem;
  line-height: 1.1;
}

.hero p {
  font-size: clamp(1.1rem, 1.5vw, 1.4rem);
  margin-bottom: 2.5rem;
  color: var(--text-secondary);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  background: hsla(174, 90%, 48%, 0.1);
  border: 1px solid hsla(174, 90%, 48%, 0.2);
  color: var(--primary);
  padding: 0.35rem 1rem;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
}

@media (max-width: 480px) {
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
}

/* Glass Card Component */
.glass-card {
  background: var(--bg-surface);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-md);
  transition: var(--transition-smooth);
}

.glass-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-glow);
  box-shadow: 0 12px 40px rgba(0, 242, 254, 0.05);
}

/* Section Header */
.section-header {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.section-tag {
  color: var(--primary);
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 0.5rem;
  display: block;
}

/* Projects/Apps Section */
.apps-section {
  padding: var(--spacing-lg) 0;
}

.app-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  position: relative;
  overflow: hidden;
}

.app-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  opacity: 0;
  transition: var(--transition-smooth);
}

.app-card:hover::before {
  opacity: 1;
}

.app-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1.25rem;
}

.app-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.app-tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.app-tag {
  font-size: 0.75rem;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-secondary);
}

.app-platforms {
  display: flex;
  gap: 0.75rem;
  color: var(--text-muted);
  font-size: 1.1rem;
}

.app-platforms svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.app-body {
  flex-grow: 1;
}

.app-title {
  font-size: 1.4rem;
  margin-bottom: 0.75rem;
}

.app-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.app-footer {
  margin-top: auto;
  padding-top: var(--spacing-sm);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.app-link {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  transition: var(--transition-fast);
}

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

.app-link svg {
  width: 14px;
  height: 14px;
  fill: currentColor;
  transition: transform 0.2s ease;
}

.app-link:hover svg {
  transform: translateX(3px);
}

/* Philosophy Section */
.philosophy-section {
  padding: var(--spacing-lg) 0;
  position: relative;
}

.philosophy-card {
  text-align: center;
  padding: var(--spacing-md) var(--spacing-sm);
}

.philosophy-icon {
  width: 64px;
  height: 64px;
  background: var(--bg-surface-hover);
  border: 1px solid var(--border-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  color: var(--primary);
  font-size: 1.75rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.philosophy-card:nth-child(2) .philosophy-icon {
  color: var(--secondary);
}

.philosophy-card:nth-child(3) .philosophy-icon {
  color: var(--accent);
}

.philosophy-title {
  margin-bottom: 0.75rem;
}

.philosophy-desc {
  font-size: 0.95rem;
}

/* Contact / Newsletter Section */
.contact-section {
  padding: var(--spacing-lg) 0 var(--spacing-xl);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
}

@media (min-width: 992px) {
  .contact-layout {
    grid-template-columns: 1fr 1.2fr;
    gap: var(--spacing-lg);
  }
}

.contact-info {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.contact-details {
  margin-top: 2rem;
  list-style: none;
}

.contact-detail-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
  color: var(--text-secondary);
}

.contact-detail-item svg {
  width: 20px;
  height: 20px;
  fill: var(--primary);
}

.contact-socials {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
}

.social-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: var(--transition-smooth);
  text-decoration: none;
}

.social-btn:hover {
  background: var(--bg-surface-hover);
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-3px);
  box-shadow: 0 4px 15px var(--primary-glow);
}

.contact-form-card {
  padding: var(--spacing-md);
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.form-input {
  width: 100%;
  padding: 0.85rem 1rem;
  background: hsla(224, 71%, 4%, 0.5);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 10px var(--primary-glow);
  background: hsla(224, 71%, 6%, 0.8);
}

textarea.form-input {
  resize: vertical;
  min-height: 120px;
}

.form-submit-btn {
  width: 100%;
  border: none;
  cursor: pointer;
}

/* Modal Popup Styles */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(3, 7, 18, 0.8);
  backdrop-filter: blur(12px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
  padding: var(--spacing-sm);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: var(--bg-deep);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  transform: scale(0.9) translateY(20px);
  transition: var(--transition-smooth);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

.modal-overlay.active .modal-content {
  transform: scale(1) translateY(0);
}

.modal-close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  transition: var(--transition-fast);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-close:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
}

.modal-body {
  padding: 2.5rem;
}

.modal-title {
  font-size: 1.75rem;
  margin-bottom: 0.5rem;
}

.modal-tech-stack {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.modal-desc {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.modal-features {
  margin-bottom: 2rem;
}

.modal-features h4 {
  margin-bottom: 0.75rem;
  color: var(--primary);
  font-size: 1.1rem;
}

.modal-features-list {
  list-style: none;
}

.modal-features-list li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.modal-features-list li::before {
  content: "✦";
  position: absolute;
  left: 0;
  color: var(--primary);
}

/* Toast Notification styling */
.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: hsla(224, 71%, 10%, 0.9);
  border: 1px solid var(--primary);
  border-radius: var(--border-radius-sm);
  padding: 1rem 1.5rem;
  box-shadow: 0 10px 30px var(--primary-glow);
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  transform: translateY(100px);
  opacity: 0;
  transition: var(--transition-smooth);
}

.toast.active {
  transform: translateY(0);
  opacity: 1;
}

.toast-icon {
  color: var(--primary);
  font-weight: bold;
}

/* Footer styling */
footer {
  background: var(--bg-deep);
  border-top: 1px solid var(--border-color);
  padding: var(--spacing-md) 0;
  text-align: center;
}

.footer-logo {
  justify-content: center;
  margin-bottom: 1.5rem;
}

.footer-nav {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 1.5rem;
  list-style: none;
}

.footer-nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition-fast);
}

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

.footer-text {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Scroll Revealer functionality */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}