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

:root {
  --primary-bg: #faf6f0;
  --secondary-bg: #faf6f0;
  --accent-bg: #faf6f0;
  --text-primary: #1a1a1a;
  --text-secondary: #4a4a4a;
  --text-light: #6b6b6b;
  --white: #ffffff;
  --black: #000000;
  --shadow: rgba(0, 0, 0, 0.1);
  --border: rgba(0, 0, 0, 0.1);
}
html {
  overflow: hidden;
  height: 100vh;
  width: 100vw;
}

body {
  font-family: "Roboto", sans-serif;
  background: var(--primary-bg);
  color: var(--text-primary);
  overflow: hidden;
  height: 100vh;
  width: 100vw;
  line-height: 1.6;
  position: fixed;
  top: 0;
  left: 0;
}

/* hero numbers */
.section-number {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);

  font-family: "Inter", sans-serif;
  font-size: clamp(20rem, 45vw, 50rem);
  font-weight: 900;
  color: rgba(0, 0, 0, 0.08);
  z-index: 1;
  pointer-events: none;
  user-select: none;
  line-height: 1;
  transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94), opacity 0.3s ease;
  letter-spacing: -0.05em;
}

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--primary-bg);
  border-bottom: 1px solid var(--border);
  padding: 1.5rem 0;
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 3rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-button {
  background: var(--black);
  color: var(--white);
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  display: inline-block;
}

.nav-menu {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.nav-link {
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 500;
  font-size: 1rem;
  padding: 0.65rem 1.5rem;
  border-radius: 25px;
  transition: all 0.3s ease;
  position: relative;
}

.nav-link:hover {
  background: rgba(0, 0, 0, 0.05);
}

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

.nav-link.active::after {
  display: none;
}

.location {
  text-align: right;
}

.location-label {
  font-size: 1.1rem;
  color: var(--text-primary);
  display: block;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.location-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  font-weight: 400;
}

.horizontal-container {
  display: flex;
  height: 100vh;
  width: 300vw;
  margin-top: 80px;
  transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.section {
  width: 100vw;
  height: calc(100vh - 80px);
  padding: 4rem 4rem 2rem 4rem;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  position: relative;
  z-index: 10;
}

.section::before,
.section::after,
.about-section::before,
.work-section::before,
.contact-section::before {
  display: none !important;
  content: none !important;
}

.section-content {
  max-width: 1200px;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.section-header {
  margin-bottom: 3rem;
}

.section-title {
  font-size: clamp(4rem, 8vw, 8rem);
  font-weight: 900;
  color: var(--text-primary);
  line-height: 0.9;
  margin-bottom: 1rem;
}

.about-section {
  background: var(--primary-bg);
}

.about-content {
  display: grid;
  grid-template-columns: 3fr 1fr;
  gap: 4rem;
  align-items: center;
  flex: 1;
}

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

.intro-text {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2rem;
  line-height: 1.4;
}

.about-text p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

.about-image {
  display: flex;
  justify-content: center;
}

.image-placeholder {
  width: 500px;
  height: 400px;
  background: var(--secondary-bg);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 20px 40px var(--shadow);
}

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

.work-section {
  background: var(--secondary-bg);
}

.work-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 3rem;
  flex: 1;
  align-content: center;
}

.project-card {
  background: var(--white);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 15px 35px var(--shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  text-decoration: none;
  color: inherit;
  display: block;
  cursor: pointer;
}

.project-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 25px 50px var(--shadow);
}

.project-image {
  height: 250px;
  overflow: hidden;
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

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

.project-info {
  padding: 2rem;
}

.project-info h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.project-info p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

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

.tag {
  background: var(--primary-bg);
  color: var(--text-primary);
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 500;
}

/* Contact Section */
.contact-section {
  background: var(--accent-bg);
}

.contact-subtitle {
  font-size: 1.5rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.contact-content {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  flex: 1;
  align-items: flex-start;
}

.contact-text {
  font-size: 1.3rem;
  color: var(--text-primary);
  margin-bottom: 3rem;
  max-width: 600px;
  line-height: 1.6;
}

.contact-links {
  display: flex;
  gap: 3rem;
  margin-bottom: 4rem;
}

.contact-link {
  text-decoration: none;
  color: var(--text-primary);
  font-size: 1.2rem;
  font-weight: 600;
  padding: 1rem 0;
  border-bottom: 2px solid transparent;
  transition: border-color 0.3s ease;
}

.contact-link:hover {
  border-bottom-color: var(--text-primary);
}

.contact-footer {
  align-self: flex-end;
}

.signature {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 1px;
}

.progress-indicator {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  width: 200px;
  height: 4px;
  background: rgba(0, 0, 0, 0.2);
  border-radius: 2px;
  z-index: 1000;
}

.progress-bar {
  height: 100%;
  background: var(--text-primary);
  border-radius: 2px;
  width: 33.33%;
  transition: width 0.3s ease;
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-container {
    padding: 0 1rem;
  }

  .nav-menu {
    gap: 1rem;
  }

  .location {
    display: none;
  }

  .section {
    padding: 2rem 1.5rem;
  }

  .about-content {
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: left;
  }

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

  .contact-links {
    flex-direction: column;
    gap: 1rem;
  }

  .section-title {
    font-size: clamp(3rem, 12vw, 6rem);
  }
}