/* ===== GLOBAL STYLES ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Color Palette */
  --primary-color: #ff6b35;
  --secondary-color: #004e89;
  --accent-color: #ffd23f;
  --dark-color: #1a1a2e;
  --light-color: #f8f9fa;
  --white: #ffffff;
  --gray-100: #f8f9fa;
  --gray-200: #e9ecef;
  --gray-300: #dee2e6;
  --gray-400: #ced4da;
  --gray-500: #adb5bd;
  --gray-600: #6c757d;
  --gray-700: #495057;
  --gray-800: #343a40;
  --gray-900: #212529;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #ff6b35 0%, #f7931e 100%);
  --gradient-secondary: linear-gradient(135deg, #004e89 0%, #1a73e8 100%);
  --gradient-dark: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  --gradient-light: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);

  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
  --shadow-2xl: 0 25px 50px rgba(0, 0, 0, 0.25);

  /* Typography */
  --font-primary: "Poppins", -apple-system, BlinkMacSystemFont, "Segoe UI",
    Roboto, sans-serif;
  --font-secondary: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI",
    Roboto, sans-serif;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 0.15s ease-in-out;
  --transition-normal: 0.3s ease-in-out;
  --transition-slow: 0.5s ease-in-out;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  background: var(--gradient-light);
  color: var(--gray-800);
  line-height: 1.7;
  overflow-x: hidden;
}

/* ===== UTILITY CLASSES ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.text-center {
  text-align: center;
}
.text-left {
  text-align: left;
}
.text-right {
  text-align: right;
}

.mb-1 {
  margin-bottom: var(--space-xs);
}
.mb-2 {
  margin-bottom: var(--space-sm);
}
.mb-3 {
  margin-bottom: var(--space-md);
}
.mb-4 {
  margin-bottom: var(--space-lg);
}
.mb-5 {
  margin-bottom: var(--space-xl);
}

.mt-1 {
  margin-top: var(--space-xs);
}
.mt-2 {
  margin-top: var(--space-sm);
}
.mt-3 {
  margin-top: var(--space-md);
}
.mt-4 {
  margin-top: var(--space-lg);
}
.mt-5 {
  margin-top: var(--space-xl);
}

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease-out;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.slide-in-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: all 0.6s ease-out;
}

.slide-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.slide-in-right {
  opacity: 0;
  transform: translateX(50px);
  transition: all 0.6s ease-out;
}

.slide-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* ===== HEADER & NAVIGATION ===== */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(26, 26, 46, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: all var(--transition-normal);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
  color: var(--white);
  font-weight: 700;
  font-size: 1.5rem;
  transition: all var(--transition-normal);
}

.logo img {
  height: 45px;
  width: auto;
  transition: all var(--transition-normal);
}

.logo:hover {
  transform: scale(1.05);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--space-lg);
  margin: 0;
  padding: 0;
}

.nav-item {
  position: relative;
}

.nav-link {
  color: var(--white);
  text-decoration: none;
  font-weight: 500;
  font-size: 1rem;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-lg);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.nav-link::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--gradient-primary);
  transition: all var(--transition-normal);
  z-index: -1;
}

.nav-link:hover::before {
  left: 0;
}

.nav-link:hover {
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.nav-link.active {
  background: var(--gradient-primary);
  color: var(--white);
}

/* Mobile Menu */
.menu-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  padding: var(--space-xs);
  border: none;
  background: transparent;
  z-index: 1001;
}

.menu-toggle span {
  width: 25px;
  height: 3px;
  background: var(--white);
  margin: 3px 0;
  transition: all var(--transition-normal);
  border-radius: var(--radius-sm);
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

/* Mobile Navigation */
@media (max-width: 768px) {
  .menu-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background: var(--gradient-dark);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--space-xl);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-2xl);
  }

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

  .nav-link {
    font-size: 1.2rem;
    padding: var(--space-md) var(--space-lg);
  }
}

/* Body padding for fixed header */
body {
  padding-top: 80px;
}

/* ===== HERO SECTION ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--gradient-dark);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("https://images.unsplash.com/photo-1451187580459-43490279c0fa?ixlib=rb-4.0.3&auto=format&fit=crop&w=2072&q=80")
    center/cover;
  opacity: 0.1;
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--white);
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-2xl) var(--space-md);
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  margin-bottom: var(--space-md);
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--accent-color)
  );
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1.2;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2vw, 1.3rem);
  margin-bottom: var(--space-xl);
  color: var(--gray-300);
  font-weight: 300;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background: var(--gradient-primary);
  color: var(--white);
  text-decoration: none;
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 1.1rem;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-lg);
}

.hero-cta:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-2xl);
}

.hero-cta::after {
  content: "→";
  transition: all var(--transition-normal);
}

.hero-cta:hover::after {
  transform: translateX(5px);
}

/* ===== SECTION STYLES ===== */
.section {
  padding: var(--space-3xl) 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--dark-color);
  margin-bottom: var(--space-md);
  position: relative;
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
}

.section-subtitle {
  font-size: 1.2rem;
  color: var(--gray-600);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ===== CARD COMPONENTS ===== */
.card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  border: 1px solid var(--gray-200);
  height: 100%;
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-2xl);
}

.card-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  font-size: 1.5rem;
  color: var(--white);
}

.card-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--dark-color);
  margin-bottom: var(--space-sm);
}

.card-text {
  color: var(--gray-600);
  line-height: 1.6;
}

/* ===== GRID LAYOUTS ===== */
.grid {
  display: grid;
  gap: var(--space-xl);
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* ===== COUNTDOWN SECTION ===== */
.countdown-section {
  position: relative;
  background: var(--gradient-dark);
  color: var(--white);
  padding: var(--space-3xl) 0;
  text-align: center;
  overflow: hidden;
}

.countdown-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("https://images.unsplash.com/photo-1486312338219-ce68d2c6f44d?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80")
    center/cover;
  opacity: 0.1;
  z-index: 1;
}

.countdown-overlay {
  position: relative;
  z-index: 2;
  max-width: 1000px;
  margin: 0 auto;
  padding: var(--space-2xl);
  background: rgba(26, 26, 46, 0.8);
  border-radius: var(--radius-2xl);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow-2xl);
}

.countdown-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  margin-bottom: var(--space-md);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.countdown-timer {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: var(--space-lg);
  margin: var(--space-xl) 0;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.countdown-item {
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all var(--transition-normal);
}

.countdown-item:hover {
  transform: translateY(-5px);
  background: rgba(255, 255, 255, 0.1);
}

.countdown-item span {
  display: block;
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: var(--space-xs);
  animation: countdownPulse 2s infinite;
}

@keyframes countdownPulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

.countdown-item p {
  font-size: 0.9rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--gray-300);
}

.countdown-message {
  font-size: 1.2rem;
  font-weight: 500;
  margin-top: var(--space-lg);
  color: var(--accent-color);
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  border: none;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--white);
  box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-2xl);
}

.btn-secondary {
  background: var(--gradient-secondary);
  color: var(--white);
  box-shadow: var(--shadow-lg);
}

.btn-outline {
  background: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

.btn-outline:hover {
  background: var(--primary-color);
  color: var(--white);
}

.btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  transition: all var(--transition-slow);
}

.btn:hover::before {
  left: 100%;
}

/* ===== STATS SECTION ===== */
.stats {
  background: var(--white);
  padding: var(--space-3xl) 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-xl);
  text-align: center;
}

.stat-item {
  padding: var(--space-lg);
}

.stat-number {
  font-size: 3rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: var(--space-sm);
  display: block;
}

.stat-label {
  font-size: 1.1rem;
  color: var(--gray-600);
  font-weight: 500;
}

/* ===== PORTFOLIO/PROJECTS ===== */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-xl);
}

.project-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  border: 1px solid var(--gray-200);
}

.project-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-2xl);
}

.project-image {
  width: 100%;
  height: 250px;
  background: var(--gradient-primary);
  position: relative;
  overflow: hidden;
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: all var(--transition-slow);
}

.project-card:hover .project-image img {
  transform: scale(1.1);
}

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(26, 26, 46, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: all var(--transition-normal);
}

.project-card:hover .project-overlay {
  opacity: 1;
}

.project-links {
  display: flex;
  gap: var(--space-md);
}

.project-link {
  padding: var(--space-sm) var(--space-md);
  background: var(--gradient-primary);
  color: var(--white);
  text-decoration: none;
  border-radius: var(--radius-md);
  font-weight: 500;
  transition: all var(--transition-normal);
}

.project-link:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.project-content {
  padding: var(--space-xl);
}

.project-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--dark-color);
  margin-bottom: var(--space-sm);
}

.project-description {
  color: var(--gray-600);
  line-height: 1.6;
  margin-bottom: var(--space-md);
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.tech-tag {
  padding: var(--space-xs) var(--space-sm);
  background: var(--gray-100);
  color: var(--gray-700);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 500;
}

/* ===== CONTACT FORM ===== */
.contact-form {
  max-width: 600px;
  margin: 0 auto;
  background: var(--white);
  padding: var(--space-2xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  margin-bottom: var(--space-xs);
  font-weight: 500;
  color: var(--dark-color);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-md);
  border: 2px solid var(--gray-300);
  border-radius: var(--radius-md);
  font-size: 1rem;
  transition: all var(--transition-normal);
  background: var(--white);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

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

/* ===== FOOTER ===== */
.footer {
  background: var(--gradient-dark);
  color: var(--white);
  padding: var(--space-3xl) 0 var(--space-lg);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.footer-section h3 {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
  color: var(--accent-color);
}

.footer-section p,
.footer-section a {
  color: var(--gray-300);
  line-height: 1.6;
  text-decoration: none;
  transition: all var(--transition-normal);
}

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

.footer-bottom {
  text-align: center;
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--gray-400);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2.5rem;
  }

  .countdown-timer {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
  }

  .countdown-item span {
    font-size: 2rem;
  }

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

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
}