@import 'variables.css';

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: var(--font-family-body);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-normal);
  color: var(--text);
  background-color: var(--bg);
  overflow-x: hidden;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

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

a:hover {
  color: var(--color-primary-light);
}

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

ul {
  list-style: none;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-heading);
  line-height: var(--line-height-tight);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-md);
  color: var(--text);
  margin: 0 0 1rem 0;
}

h1 {
  font-size: var(--font-size-4xl);
}

h2 {
  font-size: var(--font-size-3xl);
}

h3 {
  font-size: var(--font-size-2xl);
}

h4 {
  font-size: var(--font-size-xl);
}

p {
  margin-bottom: var(--space-md);
}

/* Container */
.container {
  width: 90%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 1rem;
}

/* Section Styling */
.section {
  padding: var(--section-padding);
  width: 100%;
  overflow: hidden;
}

.section-title {
  text-align: center;
  margin-bottom: var(--space-xxl);
  position: relative;
  display: inline-block;
  left: 50%;
  transform: translateX(-50%);
}

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

.sub-section-title {
  margin-bottom: var(--space-xl);
  position: relative;
  display: inline-block;
}

.sub-section-title::after {
  content: "";
  position: absolute;
  width: 40px;
  height: 3px;
  background-color: var(--color-secondary);
  bottom: -8px;
  left: 0;
  border-radius: var(--border-radius-full);
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: transparent;
  z-index: 1000;
  transition: background-color var(--transition-normal), box-shadow var(--transition-normal);
}

.header.scrolled {
  background-color: var(--card);
  box-shadow: 0 4px 6px -1px var(--shadow);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: var(--header-height);
}

.logo {
  font-family: var(--font-family-heading);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--text);
}

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

.nav-desktop {
  display: none;
}

.nav-list {
  display: flex;
  gap: var(--space-lg);
}

.nav-link {
  color: var(--text);
  font-weight: var(--font-weight-medium);
  position: relative;
}

.nav-link::after {
  content: "";
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -4px;
  left: 0;
  background-color: var(--color-accent);
  transition: width var(--transition-normal);
}

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

/* Theme Toggle */
.theme-toggle {
  position: relative;
  width: 50px;
  height: 24px;
  background-color: var(--bg-alt);
  border-radius: var(--border-radius-full);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-xs);
  cursor: pointer;
  margin-right: var(--space-md);
}

.toggle-ball {
  position: absolute;
  width: 18px;
  height: 18px;
  background-color: var(--color-accent);
  border-radius: 50%;
  left: 3px;
  transition: transform var(--transition-normal);
}

.dark .toggle-ball {
  transform: translateX(26px);
}

.icon-sun, .icon-moon {
  font-size: 12px;
  z-index: 1;
}

/* Mobile Menu Button */
.menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  background: transparent;
  border: none;
  cursor: pointer;
}

.bar {
  width: 100%;
  height: 2px;
  background-color: var(--text);
  transition: transform var(--transition-normal), opacity var(--transition-normal);
}

.menu-open .bar:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.menu-open .bar:nth-child(2) {
  opacity: 0;
}

.menu-open .bar:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Mobile Navigation */
.mobile-nav {
  position: fixed;
  top: var(--header-height);
  left: 0;
  width: 100%;
  background-color: var(--card);
  box-shadow: 0 4px 6px -1px var(--shadow);
  padding: var(--space-lg) 0;
  z-index: 999;
  transform: translateY(-100%);
  transition: transform var(--transition-normal);
}

.mobile-nav.open {
  transform: translateY(0);
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.mobile-nav-item {
  padding: 0 var(--space-xl);
}

.mobile-nav-link {
  color: var(--text);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-lg);
  display: block;
  padding: var(--space-xs) 0;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding-top: var(--header-height);
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-xxl);
}

.hero-text {
  max-width: 600px;
  text-align: left;
}

.hero-text h1 {
  margin-bottom: var(--space-md);
}

.hero-text h2 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--space-lg);
  color: var(--color-secondary);
}

.hero-text p {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-xl);
  color: var(--text-secondary);
}

.highlight {
  color: var(--color-primary);
  position: relative;
  display: inline-block;
}

.highlight::after {
  content: "";
  position: absolute;
  width: 100%;
  height: 6px;
  background-color: var(--color-accent-light);
  bottom: 4px;
  left: 0;
  z-index: -1;
  border-radius: var(--border-radius-sm);
  opacity: 0.5;
}

.hero-cta {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  justify-content: center;
}

.hero-image {
  width: 100%;
  max-width: 320px;
}

.profile-wrapper {
  position: relative;
  width: 100%;
  padding-bottom: 100%;
  overflow: hidden;
}

.profile-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--color-primary-light);
  border-radius: var(--border-radius-full);
  transform: scale(0.9);
  opacity: 0.1;
}

.profile-img-container {
  position: absolute;
  top: 5%;
  left: 5%;
  width: 90%;
  height: 90%;
  border-radius: var(--border-radius-full);
  overflow: hidden;
  box-shadow: 0 10px 25px -5px var(--shadow);
}

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

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: var(--space-xl);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
}

.mouse {
  width: 30px;
  height: 50px;
  border: 2px solid var(--text-secondary);
  border-radius: var(--border-radius-full);
  position: relative;
}

.wheel {
  width: 4px;
  height: 8px;
  background-color: var(--text-secondary);
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  border-radius: var(--border-radius-full);
  animation: scroll 2s infinite;
}

@keyframes scroll {
  0% {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
  }
  100% {
    transform: translateX(-50%) translateY(20px);
    opacity: 0;
  }
}

.arrow {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.arrow span {
  display: block;
  width: 12px;
  height: 12px;
  border-bottom: 2px solid var(--text-secondary);
  border-right: 2px solid var(--text-secondary);
  transform: rotate(45deg);
  animation: arrow 2s infinite;
  opacity: 0;
}

.arrow span:nth-child(1) {
  animation-delay: 0s;
}

.arrow span:nth-child(2) {
  animation-delay: 0.2s;
}

.arrow span:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes arrow {
  0% {
    opacity: 0;
  }
  50% {
    opacity: 1;
  }
  100% {
    opacity: 0;
  }
}

/* About Section */
.about-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.about-text p {
  margin-bottom: var(--space-lg);
  line-height: var(--line-height-loose);
  text-align: left;
}

.about-details {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  margin: var(--space-xl) 0;
}

.detail-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.detail-item h3 {
  font-size: var(--font-size-md);
  margin-bottom: 0;
  color: var(--color-primary);
}

.social-links {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: var(--bg-alt);
  border-radius: var(--border-radius-full);
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.social-link:hover {
  background-color: var(--color-primary-light);
  transform: translateY(-4px);
}

.social-link:hover .social-icon {
  color: white;
}

.social-icon {
  color: var(--text);
  transition: color var(--transition-fast);
}

/* Projects Section */
.project-content {
  text-align: left;
}

/* Certifications & Achievements */
.cert-content, 
.achievement-content {
  text-align: left;
}

/* Contact Section */
.contact-text {
  text-align: left;
}

/* Footer */
.footer {
  background-color: var(--bg-alt);
  padding: var(--space-xxl) 0 var(--space-xl);
  border-top: 1px solid var(--border);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
  text-align: left;
}

.footer-logo .logo {
  margin-bottom: var(--space-sm);
}

.footer-tagline {
  color: var(--text-secondary);
}

.footer-title {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-md);
}

.footer-nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-nav a {
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

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

.footer-social .social-links {
  margin-top: var(--space-sm);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

/* Scroll To Top Button */
.scroll-top-btn {
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  width: 40px;
  height: 40px;
  background-color: var(--color-primary);
  color: white;
  border-radius: var(--border-radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 6px -1px var(--shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: opacity var(--transition-normal), visibility var(--transition-normal), transform var(--transition-normal), background-color var(--transition-fast);
  z-index: 99;
}

.scroll-top-btn.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-top-btn:hover {
  background-color: var(--color-primary-dark);
}