/* --- CSS Reset & Variables --- */
:root {
  /* Colors */
  --bg-dark: #070a13;
  --bg-card: rgba(30, 41, 59, 0.4);
  --bg-card-hover: rgba(51, 65, 85, 0.6);
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --accent: #10b981;
  --border: rgba(255, 255, 255, 0.1);
  --glass-bg: rgba(15, 23, 42, 0.85);

  /* Typography */
  --font-main: 'Inter', system-ui, -apple-system, sans-serif;
  
  /* Transitions */
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-dark);
  background-image: linear-gradient(rgba(7, 10, 19, 0.8), rgba(7, 10, 19, 0.9)), url('photo_2026-03-20_11-53-42.jpg');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
}

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

ul {
  list-style: none;
}

/* --- Typography --- */
h1, h2, h3, h4 {
  color: var(--text-main);
  line-height: 1.2;
}

p {
  color: var(--text-muted);
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-main);
}

.section-title::before {
  content: "// ";
  display: inline-block;
  font-weight: 700;
  margin-right: 12px;
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* --- Layout Defaults --- */
.section {
  max-width: 1000px;
  margin: 0 auto;
  padding: 100px 24px;
}

.section-header {
  display: flex;
  align-items: center;
  margin-bottom: 40px;
  gap: 20px;
}

.section-header .line {
  height: 1px;
  background-color: var(--border);
  flex-grow: 1;
  max-width: 300px;
}

/* --- Components --- */
.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 6px;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--transition);
  font-size: 0.95rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), #8b5cf6);
  color: #fff;
  position: relative;
  z-index: 1;
  border: none;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background: linear-gradient(135deg, var(--primary), #8b5cf6);
  filter: blur(12px);
  opacity: 0;
  transition: var(--transition);
  z-index: -1;
  border-radius: inherit;
}

.btn-primary:active {
  transform: scale(0.95);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(139, 92, 246, 0.4);
}

.btn-primary:hover::before {
  opacity: 0.8;
}

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

.btn-outline:hover {
  background-color: rgba(59, 130, 246, 0.1);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 16px 32px;
  font-size: 1.1rem;
}

.btn-icon {
  padding: 12px;
  border-radius: 50%;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  width: 48px;
  height: 48px;
  font-size: 1.5rem;
}

/* --- Navbar --- */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  padding: 16px 24px;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid transparent;
  transition: var(--transition);
}

.navbar.scrolled {
  padding: 12px 24px;
  border-bottom: 1px solid var(--border);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.5px;
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a:not(.btn) {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
}

.nav-links a:not(.btn):hover {
  color: var(--primary);
}

/* --- Hero Section --- */
.hero-section {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 100vh;
  padding-top: 100px;
}

.hero-content {
  max-width: 700px;
}

.greeting {
  color: var(--primary);
  font-family: var(--font-main);
  margin-bottom: 16px;
  font-weight: 500;
  letter-spacing: 1px;
}

.name {
  font-size: clamp(40px, 8vw, 72px);
  font-weight: 800;
  background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 50%, #10b981 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: gradientText 5s ease infinite;
  letter-spacing: -1.5px;
  margin-bottom: 10px;
}

.title {
  font-size: clamp(32px, 6vw, 56px);
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 24px;
  letter-spacing: -1px;
}

.description {
  font-size: 1.1rem;
  max-width: 540px;
  margin-bottom: 40px;
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  gap: 16px;
}

/* --- About Section --- */
.about-content {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 48px;
  align-items: flex-start;
}

.about-text p {
  margin-bottom: 16px;
  font-size: 1.05rem;
}

.about-image {
  position: relative;
  max-width: 300px;
  margin: 0 auto;
}

.img-wrapper {
  position: relative;
  border-radius: 8px;
  z-index: 1;
  transition: var(--transition);
}

.img-wrapper::after {
  content: "";
  position: absolute;
  top: 20px;
  left: 20px;
  width: 100%;
  height: 100%;
  border: 2px solid var(--primary);
  border-radius: 8px;
  z-index: -1;
  transition: var(--transition);
}

.img-wrapper:hover {
  transform: translate(-4px, -4px);
}

.img-wrapper:hover::after {
  transform: translate(8px, 8px);
}

.profile-img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 8px;
  display: block;
  position: relative;
  z-index: 2;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

/* --- Projects Section --- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 32px;
}

.project-card {
  background-color: var(--bg-card);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.3);
  border-color: rgba(59, 130, 246, 0.3);
}

.project-img {
  width: 100%;
  height: 200px;
  background-color: #1e293b;
  position: relative;
  overflow: hidden;
}

.project-img::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(135deg, rgba(59,130,246,0.1) 0%, rgba(16,185,129,0.1) 100%);
  z-index: 1;
}

.project-info {
  padding: 24px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.project-type {
  font-size: 0.8rem;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.project-name {
  font-size: 1.4rem;
  margin-bottom: 12px;
}

.project-desc {
  font-size: 0.95rem;
  margin-bottom: 24px;
  flex-grow: 1;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
}

.project-tech li {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-family: monospace;
  background-color: rgba(255, 255, 255, 0.05);
  padding: 4px 8px;
  border-radius: 4px;
}

.project-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-main);
  display: inline-flex;
  align-items: center;
}

.project-links a:hover {
  color: var(--primary);
}

/* --- Skills Section --- */
.skills-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 32px;
}

.skill-category {
  background-color: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  padding: 32px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.skill-category::before {
  content: "";
  position: absolute;
  top: -50%; left: -50%; width: 200%; height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.05) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.5s ease;
  pointer-events: none;
}

.skill-category:hover {
  transform: translateY(-8px);
  border-color: rgba(139, 92, 246, 0.4);
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.3);
}

.skill-category:hover::before {
  opacity: 1;
}

.skill-category h3 {
  margin-bottom: 20px;
  color: var(--text-main);
}

.skill-list li {
  color: var(--text-muted);
  margin-bottom: 12px;
  font-size: 0.95rem;
}

.skill-list li:last-child {
  margin-bottom: 0;
}

/* --- Contact Section --- */
.contact-section {
  text-align: center;
  max-width: 600px;
  padding: 150px 24px;
}

.contact-pre {
  color: var(--primary);
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: 16px;
}

.contact-title {
  font-size: clamp(32px, 5vw, 48px);
  margin-bottom: 24px;
  letter-spacing: -1px;
}

.contact-desc {
  margin-bottom: 40px;
  font-size: 1.1rem;
}

.social-links-container {
  display: flex;
  gap: 32px;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  background-color: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 24px 32px;
  border-radius: 20px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.05);
  margin: 0 auto;
  max-width: fit-content;
}

.social-icon {
  font-size: 2.5rem;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), filter 0.3s ease;
  display: inline-flex;
}

.social-icon:hover {
  transform: translateY(-6px) scale(1.15);
  filter: drop-shadow(0 8px 16px rgba(0,0,0,0.4));
}

.social-icon.email { color: #ea4335; }
.social-icon.whatsapp { color: #25d366; }
.social-icon.telegram { color: #229ED9; }
.social-icon.linkedin { color: #0077b5; }
.social-icon.instagram { color: #E1306C; }
.social-icon.twitter { color: #1DA1F2; }

/* --- Footer --- */
footer {
  text-align: center;
  padding: 24px;
  color: var(--text-muted);
  font-size: 0.9rem;
  border-top: 1px solid var(--border);
}

/* --- Animations --- */
@keyframes gradientBG {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes gradientText {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes floatBlob {
  0% { transform: translateY(0) scale(1) rotate(0deg); }
  50% { transform: translateY(-40px) scale(1.05) rotate(10deg); }
  100% { transform: translateY(0) scale(1) rotate(0deg); }
}

.blob-container {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  overflow: hidden;
  z-index: 1;
  pointer-events: none;
}

.blob {
  position: absolute;
  filter: blur(90px);
  opacity: 0.6;
  border-radius: 50%;
  animation: floatBlob 15s infinite ease-in-out;
}

.blob-1 {
  top: -10%; left: -10%;
  width: 500px; height: 500px;
  background: rgba(59, 130, 246, 0.3);
}

.blob-2 {
  bottom: -20%; right: -10%;
  width: 600px; height: 600px;
  background: rgba(139, 92, 246, 0.2);
  animation-delay: -5s;
}

.blob-3 {
  top: 40%; left: 60%;
  width: 400px; height: 400px;
  background: rgba(16, 185, 129, 0.15);
  animation-delay: -10s;
}

/* Scroll Reveal Classes */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

/* --- Responsive --- */
@media (max-width: 768px) {
  .nav-container {
    flex-direction: column;
    gap: 16px;
  }
  
  .nav-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
  }
  
  .about-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .hero-cta {
    flex-direction: column;
  }
  
  .btn {
    text-align: center;
    width: 100%;
  }
  
  .section {
    padding: 80px 24px;
  }
}