/* ===== CSS Reset & Base ===== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600;700&family=Caveat:wght@400;500;600;700&display=swap');

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

:root {
  --bg-primary: #09090b;
  --bg-secondary: #0c0c0f;
  --bg-card: #111114;
  --bg-card-hover: #18181b;
  --border-color: #27272a;
  --border-subtle: #1e1e21;
  --text-primary: #fafafa;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  --accent-blue: #3b82f6;
  --accent-glow: rgba(59, 130, 246, 0.15);
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --font-handwriting: 'Caveat', cursive;
  --max-width: 1200px;
  --header-height: 64px;
  --section-padding: 100px 0;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

img {
  max-width: 100%;
  display: block;
}

ul, ol {
  list-style: none;
}

/* ===== Utility ===== */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section-label {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-mono);
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 600px;
  line-height: 1.7;
}

.highlight {
  background-color: var(--bg-card-hover);
  border: 1px solid var(--border-color);
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 500;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 24px;
  font-size: 0.875rem;
  font-weight: 500;
  font-family: var(--font-sans);
  border-radius: 8px;
  border: 1px solid var(--border-color);
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--text-primary);
  color: var(--bg-primary);
  border-color: var(--text-primary);
}

.btn-primary:hover {
  background-color: #e4e4e7;
  transform: translateY(-1px);
}

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

.btn-secondary:hover {
  background-color: var(--bg-card-hover);
  border-color: var(--text-muted);
  transform: translateY(-1px);
}

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

.btn-outline:hover {
  background-color: var(--bg-card-hover);
  border-color: var(--text-muted);
}

/* ===== Header / Navigation ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: 1000;
  background-color: rgba(9, 9, 11, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
}

.logo-text {
  font-family: var(--font-handwriting);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
}

.nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  padding: 8px 16px;
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--text-secondary);
  border-radius: 6px;
  transition: var(--transition);
}

.nav-link:hover {
  color: var(--text-primary);
  background-color: var(--bg-card-hover);
}

.nav .btn {
  margin-left: 16px;
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.mobile-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* ===== Hero Section ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-height);
  overflow: hidden;
  background: linear-gradient(180deg, var(--bg-primary) 0%, #0a0a0f 100%);
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.hero-name {
  font-family: var(--font-handwriting);
  font-size: 1.5rem;
  color: var(--text-secondary);
  font-weight: 400;
}

.hero-title {
  font-family: var(--font-mono);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--text-primary);
}

.hero-description {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 520px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  margin-top: 8px;
}

.hero-image {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-image img {
  max-width: 480px;
  width: 100%;
  height: auto;
  position: relative;
  z-index: 2;
}

/* Grid overlay behind hero image */
.hero-grid {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.8;
}

/* Decorative squares */
.hero-decorations {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
  pointer-events: none;
}

.deco-square {
  position: absolute;
  border-radius: 8px;
  background-color: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.05);
}

.deco-square:nth-child(1) {
  width: 120px;
  height: 60px;
  top: 15%;
  right: 5%;
}

.deco-square:nth-child(2) {
  width: 40px;
  height: 40px;
  top: 35%;
  right: 3%;
}

.deco-square:nth-child(3) {
  width: 60px;
  height: 60px;
  bottom: 25%;
  left: 48%;
}

.deco-square:nth-child(4) {
  width: 80px;
  height: 50px;
  bottom: 15%;
  left: 45%;
}

.deco-square:nth-child(5) {
  width: 50px;
  height: 50px;
  bottom: 8%;
  right: 15%;
}

/* ===== Portfolio / Projects Section ===== */
.portfolio {
  padding: var(--section-padding);
  border-top: 1px solid var(--border-subtle);
}

.portfolio-header {
  text-align: center;
  margin-bottom: 60px;
}

.portfolio-header .section-subtitle {
  margin: 0 auto;
}

.projects-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.project-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
  text-decoration: none;
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  border-color: var(--text-muted);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.project-card:first-child {
  grid-row: span 2;
}

.project-info {
  padding: 24px;
}

.project-title {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.project-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.project-image {
  flex: 1;
  overflow: hidden;
  min-height: 200px;
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.project-card:hover .project-image img {
  transform: scale(1.05);
}

/* ===== About Section ===== */
.about {
  padding: var(--section-padding);
  background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
  border-top: 1px solid var(--border-subtle);
}

.about .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-image {
  position: relative;
}

.about-image img {
  max-width: 450px;
  width: 100%;
  height: auto;
  border-radius: 4px;
}

.about-image-grid {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
  z-index: 1;
}

.about-content {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.about-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

.about-actions {
  display: flex;
  gap: 12px;
  margin-top: 8px;
}

/* ===== Testimonials Section ===== */
.testimonials {
  padding: var(--section-padding);
  border-top: 1px solid var(--border-subtle);
}

.testimonials-header {
  margin-bottom: 60px;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.testimonial-card {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.testimonial-text {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--text-secondary);
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 14px;
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--border-color);
}

.testimonial-name {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.testimonial-role {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ===== Contact Section ===== */
.contact {
  padding: var(--section-padding);
  border-top: 1px solid var(--border-subtle);
}

.contact .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.contact-content {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-icon {
  width: 24px;
  height: 24px;
  color: var(--text-secondary);
  flex-shrink: 0;
  margin-top: 2px;
}

.contact-item-label {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.contact-item-value {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.contact-item-value a {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.contact-item-value a:hover {
  color: var(--text-primary);
}

/* Divider inside card */
.contact-divider {
  height: 1px;
  background-color: var(--border-color);
}

/* ===== FAQ Section ===== */
.faq {
  padding: var(--section-padding);
  background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
  border-top: 1px solid var(--border-subtle);
}

.faq-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 60px;
  gap: 40px;
}

.faq-header-content {
  flex: 1;
}

.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px 60px;
}

.faq-item {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-question {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.4;
}

.faq-answer {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ===== Footer ===== */
.footer {
  border-top: 1px solid var(--border-subtle);
  padding: 60px 0;
  background-color: var(--bg-secondary);
}

.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 40px;
}

.footer-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.footer-nav a {
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: var(--transition);
}

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

.footer-socials {
  display: flex;
  gap: 16px;
}

.footer-social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  color: var(--text-secondary);
  transition: var(--transition);
}

.footer-social-link:hover {
  color: var(--text-primary);
  background-color: var(--bg-card-hover);
}

.footer-social-link svg {
  width: 20px;
  height: 20px;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-copyright {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-legal {
  display: flex;
  gap: 24px;
}

.footer-legal a {
  font-size: 0.8rem;
  color: var(--text-muted);
  transition: var(--transition);
}

.footer-legal a:hover {
  color: var(--text-secondary);
}

/* ===== Animations ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

.hero-content {
  animation: fadeInUp 0.8s ease forwards;
}

.hero-image {
  animation: fadeIn 1.2s ease 0.3s forwards;
  opacity: 0;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-image {
    order: -1;
  }

  .hero-image img {
    max-width: 350px;
    margin: 0 auto;
  }

  .about .container {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about-image {
    order: -1;
  }

  .about-image img {
    max-width: 350px;
    margin: 0 auto;
  }

  .contact .container {
    grid-template-columns: 1fr;
  }

  .faq-header {
    flex-direction: column;
  }
}

@media (max-width: 768px) {
  :root {
    --section-padding: 60px 0;
  }

  .nav {
    display: none;
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background-color: rgba(9, 9, 11, 0.98);
    backdrop-filter: blur(12px);
    flex-direction: column;
    padding: 24px;
    border-bottom: 1px solid var(--border-color);
    gap: 4px;
  }

  .nav.open {
    display: flex;
  }

  .nav-link {
    width: 100%;
    padding: 12px 16px;
  }

  .nav .btn {
    margin-left: 0;
    margin-top: 8px;
    width: 100%;
  }

  .mobile-toggle {
    display: flex;
  }

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

  .project-card:first-child {
    grid-row: auto;
  }

  .testimonials-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .faq-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-top {
    flex-direction: column;
    gap: 24px;
    align-items: flex-start;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    align-items: flex-start;
  }

  .footer-nav {
    flex-wrap: wrap;
    gap: 16px;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.75rem;
  }

  .hero-actions {
    flex-direction: column;
  }

  .about-actions {
    flex-direction: column;
  }

  .section-title {
    font-size: 1.5rem;
  }
}