/*
 * Landing Page Styles
 * Elegant hub design with ambient effects
 */

/* ========================================
   Ambient Background
   ======================================== */

.ambient-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: -2;
  overflow: hidden;
}

.gradient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
  animation: orbFloat 20s ease-in-out infinite;
}

.orb-1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(23, 59, 52, 0.25) 0%, transparent 70%);
  top: -200px;
  right: -100px;
  animation-delay: 0s;
}

.orb-2 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(42, 99, 86, 0.18) 0%, transparent 70%);
  bottom: -150px;
  left: -100px;
  animation-delay: -7s;
}

.orb-3 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(30, 79, 68, 0.15) 0%, transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation-delay: -14s;
}

@keyframes orbFloat {
  0%, 100% {
    transform: translate(0, 0) scale(1);
  }
  25% {
    transform: translate(30px, -30px) scale(1.05);
  }
  50% {
    transform: translate(-20px, 20px) scale(0.95);
  }
  75% {
    transform: translate(-30px, -20px) scale(1.02);
  }
}

/* ========================================
   Navigation Override (landing-specific)
   ======================================== */

.nav {
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border-bottom: none;
  transition: all var(--duration-base) var(--ease-smooth);
}

.nav.scrolled {
  background: rgba(10, 10, 10, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
}

/* ========================================
   Hero Section
   ======================================== */

.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  padding: var(--space-32) 0 var(--space-16);
}

.hero-content {
  max-width: 900px;
}

.hero-intro {
  margin-bottom: var(--space-6);
  opacity: 0;
  animation: fadeInUp 0.8s var(--ease-out-expo) 0.2s forwards;
}

.hero-tag {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-accent);
  padding: var(--space-2) var(--space-4);
  background: var(--color-accent-subtle);
  border-radius: var(--radius-full);
}

.hero-title {
  font-size: var(--text-6xl);
  line-height: var(--leading-none);
  margin-bottom: var(--space-6);
}

.title-line {
  display: block;
  overflow: hidden;
}

.title-line span {
  display: inline-block;
  opacity: 0;
  transform: translateY(100%);
  animation: titleReveal 1s var(--ease-out-expo) forwards;
}

.title-line:nth-child(1) span {
  animation-delay: 0.3s;
}

.title-line:nth-child(2) span {
  animation-delay: 0.45s;
}

@keyframes titleReveal {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-subtitle {
  font-size: var(--text-xl);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-10);
  opacity: 0;
  animation: fadeInUp 0.8s var(--ease-out-expo) 0.6s forwards;
}

.hero-cta {
  display: flex;
  gap: var(--space-4);
  opacity: 0;
  animation: fadeInUp 0.8s var(--ease-out-expo) 0.75s forwards;
}

.hero-scroll {
  position: absolute;
  bottom: var(--space-10);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  opacity: 0;
  animation: fadeIn 1s var(--ease-smooth) 1.2s forwards;
}

.scroll-text {
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, var(--color-text-muted), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% {
    transform: scaleY(1);
    opacity: 1;
  }
  50% {
    transform: scaleY(0.5);
    opacity: 0.5;
  }
}

/* ========================================
   Section Styles
   ======================================== */

.section-tag {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}

.section-title {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-4);
}

.section-desc {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  max-width: 600px;
}

.section-header {
  margin-bottom: var(--space-16);
}

/* ========================================
   About Section
   ======================================== */

.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.about-text {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-6);
}

.about-stats {
  display: flex;
  gap: var(--space-10);
  margin-top: var(--space-10);
  padding-top: var(--space-10);
  border-top: 1px solid var(--color-border);
}

.stat {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.stat-value {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  color: var(--color-text-primary);
}

.stat-label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.about-visual {
  position: relative;
}

.visual-card {
  position: relative;
  aspect-ratio: 4/5;
  background: var(--color-surface);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  border: 2px solid var(--color-accent);
}

.visual-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ========================================
   Portal Grid (Work Section)
   ======================================== */

.portal-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.portal-card {
  position: relative;
  display: block;
  padding: var(--space-10);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  text-decoration: none;
  overflow: hidden;
  transition: all var(--duration-slow) var(--ease-smooth);
}

.portal-card:hover {
  border-color: var(--color-border-emphasis);
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.portal-bg {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity var(--duration-slow) var(--ease-smooth);
  pointer-events: none;
}

.portal-card:hover .portal-bg {
  opacity: 1;
}

/* Cursor-following glow - each portal glows with its destination page's accent color */
.portal-gallery .portal-bg {
  background: radial-gradient(600px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(150, 147, 204, 0.15) 0%, transparent 40%);
}

.portal-archive .portal-bg {
  background: radial-gradient(600px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(205, 219, 205, 0.12) 0%, transparent 40%);
}

.portal-dashboard .portal-bg {
  background: radial-gradient(600px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(235, 228, 179, 0.1) 0%, transparent 40%);
}

.portal-resume .portal-bg {
  background: radial-gradient(600px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(108, 143, 213, 0.15) 0%, transparent 40%);
}

.portal-content {
  position: relative;
  z-index: 1;
  padding-right: 3.5rem;
  padding-bottom: 0.5rem;
}

.portal-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-6);
  color: var(--color-accent);
}

.portal-icon svg {
  width: 32px;
  height: 32px;
}

.portal-gallery .portal-icon { color: #9693CC; }
.portal-resume .portal-icon { color: #6C8FD5; }
.portal-archive .portal-icon { color: #CDDBCD; }
.portal-dashboard .portal-icon { color: #EBE4B3; }

.portal-title {
  font-size: var(--text-2xl);
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.portal-desc {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

.portal-arrow {
  position: absolute;
  bottom: var(--space-8);
  right: var(--space-8);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  transition: all var(--duration-base) var(--ease-smooth);
}

.portal-arrow svg {
  width: 20px;
  height: 20px;
}

.portal-card:hover .portal-arrow {
  color: var(--color-accent);
  transform: translateX(4px);
}

/* ========================================
   Projects Section
   ======================================== */

.projects-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.project-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: var(--space-8);
  align-items: start;
  padding: var(--space-8);
  border-radius: var(--radius-xl);
  transition: all var(--duration-base) var(--ease-smooth);
}

.project-item:hover {
  background: var(--color-surface);
}

.project-number {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  padding-top: var(--space-1);
}

.project-content {
  flex: 1;
}

.project-title {
  font-size: var(--text-xl);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-2);
}

.project-desc {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.project-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--space-3);
}

.project-date {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-accent);
  text-decoration: none;
  transition: all var(--duration-fast) var(--ease-smooth);
}

.project-link:hover {
  color: var(--color-accent-hover);
}

/* ========================================
   Contact Section
   ======================================== */

.contact-inner {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

.contact-title {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-12);
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.contact-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  text-decoration: none;
  transition: all var(--duration-base) var(--ease-smooth);
  position: relative;
  overflow: hidden;
}

.contact-link::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(23, 59, 52, 0.1) 0%, rgba(42, 99, 86, 0.08) 100%);
  opacity: 0;
  transition: opacity var(--duration-base) var(--ease-smooth);
}

.contact-link::after {
  content: '\2192';
  position: absolute;
  right: var(--space-6);
  top: 50%;
  transform: translateY(-50%) translateX(-8px);
  opacity: 0;
  font-size: var(--text-lg);
  color: var(--color-accent);
  transition: all var(--duration-base) var(--ease-smooth);
}

.contact-link:hover {
  border-color: var(--color-accent);
  background: var(--color-surface-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(23, 59, 52, 0.2);
}

.contact-link:hover::before {
  opacity: 1;
}

.contact-link:hover::after {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}

.contact-link-label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  position: relative;
  z-index: 1;
}

.contact-link-value {
  font-size: var(--text-base);
  color: var(--color-text-primary);
  position: relative;
  z-index: 1;
}

/* ========================================
   Responsive Styles
   ======================================== */

@media (max-width: 1000px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }

  .about-visual {
    order: -1;
    max-width: 400px;
  }

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

@media (max-width: 768px) {
  .hero-title {
    font-size: var(--text-5xl);
  }

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

  .about-stats {
    flex-wrap: wrap;
    gap: var(--space-6);
  }

  .project-item {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .project-number {
    display: none;
  }

  .project-meta {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: var(--space-24) 0 var(--space-12);
  }

  .hero-title {
    font-size: var(--text-4xl);
  }

  .hero-subtitle {
    font-size: var(--text-base);
    margin-bottom: var(--space-6);
  }

  .hero-cta .btn {
    width: 100%;
    min-height: 48px;
    justify-content: center;
  }

  .hero-scroll {
    display: none;
  }

  .section-title {
    font-size: var(--text-3xl);
  }

  .section-desc {
    font-size: var(--text-base);
  }

  .section-header {
    margin-bottom: var(--space-10);
  }

  .portal-card {
    padding: var(--space-6);
  }

  .portal-content {
    padding-right: 4rem;
    padding-bottom: 0.75rem;
  }

  .portal-title {
    font-size: var(--text-xl);
  }

  .portal-desc {
    font-size: var(--text-sm);
  }

  .about-text {
    font-size: var(--text-base);
  }

  .about-stats {
    gap: var(--space-4);
    margin-top: var(--space-6);
    padding-top: var(--space-6);
  }

  .stat-value {
    font-size: var(--text-2xl);
  }

  .project-item {
    padding: var(--space-4);
  }

  .project-title {
    font-size: var(--text-lg);
  }

  .project-desc {
    font-size: var(--text-sm);
  }

  .project-tags {
    gap: var(--space-1);
  }

  .contact-title {
    font-size: var(--text-3xl);
    margin-bottom: var(--space-8);
  }

  .contact-link {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
    min-height: 44px;
    padding: var(--space-4);
  }
}