/*
 * CSS Custom Properties for "Studio meets Terminal" Portfolio
 * Based on DESIGN.md color palette and design tokens
 */

:root {
  /* Colors */
  --color-void-black: #000000;
  --color-surface-dark: #0a0a0a;
  --color-card-dark: #141414;
  --color-border-dim: #1e1e1e;
  --color-pure-white: #ffffff;
  --color-cool-gray: #a0a0a0;
  --color-muted: #666666;
  --color-dim: #404040;
  --color-amber: #f59e0b;
  --color-amber-glow: rgba(245, 158, 11, 0.15);
  --color-amber-soft: #fbbf24;
  --color-terminal-green: #4ade80;
  --color-terminal-blue: #60a5fa;
  --color-terminal-comment: #6b7280;

  /* Typography Scale */
  --font-display: 'Inter', system-sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --font-size-hero: 4rem; /* 64px */
  --font-size-section-title: 2.5rem; /* 40px */
  --font-size-card-title: 1.5rem; /* 24px */
  --font-size-body: 1rem; /* 16px */
  --font-size-section-label: 0.75rem; /* 12px */
  --font-size-meta: 0.8rem; /* 13px */
  --font-size-code: 0.875rem; /* 14px */
  --font-size-nav: 0.875rem; /* 14px */

  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  --line-height-display: 1.00;
  --line-height-section-title: 1.10;
  --line-height-card-title: 1.20;
  --line-height-body: 1.60;
  --line-height-section-label: 1.00;
  --line-height-meta: 1.40;
  --line-height-code: 1.50;
  --line-height-nav: 1.00;

  --letter-spacing-display: -2.5px;
  --letter-spacing-section-title: -1.5px;
  --letter-spacing-card-title: -0.5px;
  --letter-spacing-body: -0.1px;
  --letter-spacing-section-label: 2px;
  --letter-spacing-meta: 0.5px;
  --letter-spacing-code: 0px;
  --letter-spacing-nav: 0.5px;

  /* Spacing Scale */
  --spacing-base: 8px;
  --spacing-section-vertical: 12rem; /* 96px */
  --spacing-section-vertical-mobile: 4rem; /* 64px */
  --spacing-container-max-width: 1200px;
  --spacing-card-gap: 3rem; /* 24px */
  --spacing-component-padding: 2rem; /* 32px */

  /* Border Radius */
  --border-radius-small: 4px;
  --border-radius-medium: 8px;

  /* Transitions */
  --transition-default: all 0.3s ease;

  /* Breakpoints */
  --breakpoint-mobile: 640px;
  --breakpoint-tablet: 1024px;
  --breakpoint-desktop: 1440px;
}

/* ─── Light Mode Theme ────────────────────────────────────────────── */

[data-theme="light"] {
  --color-void-black: #f4f1ec;
  --color-surface-dark: #ebe7e0;
  --color-card-dark: #e2ddd6;
  --color-border-dim: #cdc8c0;
  --color-pure-white: #1a1814;
  --color-cool-gray: #5c5850;
  --color-muted: #7a756e;
  --color-dim: #b0aba4;
  --color-amber: #d97706;
  --color-amber-glow: rgba(217, 119, 6, 0.12);
  --color-amber-soft: #b45309;
  --color-terminal-green: #16a34a;
  --color-terminal-blue: #2563eb;
  --color-terminal-comment: #78716c;
}

/* Light mode — specific overrides beyond variables */
[data-theme="light"] .hero {
  background: linear-gradient(180deg, var(--color-void-black) 0%, var(--color-surface-dark) 100%);
}

[data-theme="light"] .particle {
  background: var(--color-amber);
  opacity: 0.25;
}

[data-theme="light"] .nav.scrolled {
  background: rgba(244, 241, 236, 0.92);
}

/* Contact terminal always stays dark — it's a macOS window */
[data-theme="light"] .contact-terminal,
[data-theme="light"] .contact-terminal-titlebar,
[data-theme="light"] .contact-terminal-body {
  color: #c9d1d9;
}

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

/* Base Typography */
body {
  font-family: var(--font-display);
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-body);
  color: var(--color-pure-white);
  background-color: var(--color-void-black);
  overflow-x: hidden;
}

/* Links */
a {
  color: var(--color-pure-white);
  text-decoration: none;
  transition: var(--transition-default);
}

a:hover {
  color: var(--color-amber);
}

/* Section Labels */
.section-label {
  font-family: var(--font-mono);
  font-size: var(--font-size-section-label);
  font-weight: var(--font-weight-medium);
  letter-spacing: var(--letter-spacing-section-label);
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: var(--spacing-base);
  display: flex;
  align-items: center;
  position: relative;
}

.section-label::before {
  content: '';
  flex: 1;
  height: 1px;
  background-color: var(--color-border-dim);
  margin-right: var(--spacing-base);
}

.section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background-color: var(--color-border-dim);
  margin-left: var(--spacing-base);
}


/* Subsection labels within a section */
.subsection-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: var(--font-weight-medium);
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-amber);
  margin-top: calc(var(--spacing-base) * 3);
  margin-bottom: var(--spacing-base);
  padding-left: 2px;
}
/* Navigation */
.nav {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  background-color: transparent;
  transition: background-color 0.3s ease;
  border-bottom: 1px solid transparent;
}

.nav.scrolled {
  background-color: var(--color-card-dark);
  border-bottom: 1px solid var(--color-border-dim);
}

.nav-container {
  max-width: var(--spacing-container-max-width);
  margin: 0 auto;
  padding: var(--spacing-base) var(--spacing-base);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.125rem; /* 18px */
  font-weight: var(--font-weight-bold);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-links a {
  font-family: var(--font-display);
  font-size: var(--font-size-nav);
  font-weight: var(--font-weight-medium);
  letter-spacing: var(--letter-spacing-nav);
  color: var(--color-pure-white);
  position: relative;
  padding-bottom: 0.25rem;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-amber);
  transition: width 0.3s ease;
}

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

.nav-cta {
  background: transparent;
  color: var(--color-amber);
  border: 1px solid var(--color-amber);
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius-small);
  cursor: pointer;
  transition: var(--transition-default);
}

.nav-cta:hover {
  background-color: var(--color-amber);
  color: var(--color-void-black);
}

.theme-toggle {
  font-size: 1rem;
  padding: 0.4rem 0.7rem;
  line-height: 1;
}

/* Hero Section */
.hero {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background-color: var(--color-void-black);
  position: relative;
  overflow: hidden;
}

/* Particle effect for hero */
.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
  opacity: 0.3;
}

.hero-particles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.particle {
  position: absolute;
  background-color: var(--color-amber);
  border-radius: 50%;
  opacity: 0.5;
  animation: float 15s infinite linear;
}

@keyframes float {
  0% {
    transform: translateY(0) translateX(0) rotate(0deg);
    opacity: 0;
  }
  10% {
    opacity: 0.5;
  }
  90% {
    opacity: 0.5;
  }
  100% {
    transform: translateY(-100vh) translateX(100px) rotate(360deg);
    opacity: 0;
  }
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  padding: 0 var(--spacing-base);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.hero-logo {
  width: 120px;
  height: auto;
  margin-bottom: 2rem;
  opacity: 0.92;
}

.hero-title {
  font-family: var(--font-display);
  font-size: var(--font-size-hero);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-display);
  letter-spacing: var(--letter-spacing-display);
  margin-bottom: 1.5rem;
}

.hero-subtitle {
  font-family: var(--font-mono);
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-normal);
  letter-spacing: var(--letter-spacing-body);
  color: var(--color-cool-gray);
  margin-bottom: 2rem;
  position: relative;
  display: inline-block;
}

.cursor {
  animation: blink 1s infinite;
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

.hero-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
}

.cta-button {
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius-small);
  font-family: var(--font-display);
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: var(--transition-default);
}

.cta-button:not(.outline) {
  background-color: var(--color-amber);
  color: var(--color-void-black);
  border: none;
}

.cta-button:not(.outline):hover {
  background-color: var(--color-amber-soft);
}

.cta-button.outline {
  background-color: transparent;
  color: var(--color-amber);
  border: 1px solid var(--color-amber);
}

.cta-button.outline:hover {
  background-color: var(--color-amber);
  color: var(--color-void-black);
}

/* Scroll indicator */
.scroll-down {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  z-index: 2;
  animation: bounce 2s infinite;
}

.scroll-text {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  color: var(--color-muted);
}

.scroll-arrow {
  width: 20px;
  height: 20px;
  border-right: 2px solid var(--color-pure-white);
  border-bottom: 2px solid var(--color-pure-white);
  transform: rotate(45deg);
  animation: arrow 1.5s infinite;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateY(0) translateX(-50%); }
  40% { transform: translateY(-10px) translateX(-50%); }
  60% { transform: translateY(-5px) translateX(-50%); }
}

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

/* Section */
.section {
  padding: var(--spacing-section-vertical) 0;
  max-width: var(--spacing-container-max-width);
  margin: 0 auto;
  padding-left: var(--spacing-base);
  padding-right: var(--spacing-base);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.section.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Video Grid */
.videos-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--spacing-card-gap);
  margin-top: 2rem;
}

.video-card {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.video-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.video-card {
  border: 1px solid var(--color-border-dim);
  border-radius: var(--border-radius-medium);
  overflow: hidden;
  transition: var(--transition-default);
  position: relative;
}

.video-card:hover {
  border-color: var(--color-amber-glow);
  transform: scale(1.02);
}

.video-thumbnail {
  height: auto;
  aspect-ratio: 16 / 9;
  background-color: var(--color-surface-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.video-thumbnail::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(0,0,0,0.3) 0%, rgba(0,0,0,0.7) 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.video-card:hover .video-thumbnail::before {
  opacity: 1;
}

.video-play-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: var(--color-amber);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.video-card:hover .video-play-icon {
  opacity: 1;
}

.video-play-icon::after {
  content: '';
  width: 0;
  height: 0;
  border-left: 15px solid var(--color-void-black);
  border-top: 10px solid transparent;
  border-bottom: 10px solid transparent;
  margin-left: 3px;
}

.video-placeholder {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--color-cool-gray);
}

.video-title {
  padding: var(--spacing-component-padding);
  font-family: var(--font-display);
  font-size: var(--font-size-card-title);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--letter-spacing-card-title);
  line-height: var(--line-height-card-title);
}

/* Projects Grid */
.projects-container {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-card-gap);
  margin-top: 2rem;
}

.project-card {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.project-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.project-card {
  border: 1px solid var(--color-border-dim);
  border-radius: var(--border-radius-medium);
  overflow: hidden;
  transition: var(--transition-default);
  background-color: var(--color-card-dark);
}

.project-card:hover {
  border-color: var(--color-amber-glow);
  transform: scale(1.02);
}

/* Project Header (Terminal Style) */
.project-header {
  display: flex;
  align-items: center;
  padding: 1rem;
  background-color: var(--color-surface-dark);
  border-bottom: 1px solid var(--color-border-dim);
}

.terminal-dots {
  display: flex;
  gap: 0.5rem;
  margin-right: 1rem;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.dot.red {
  background-color: #ff5f56;
}

.dot.yellow {
  background-color: #ffbd2e;
}

.dot.green {
  background-color: #27c93f;
}

.file-path {
  font-family: var(--font-mono);
  font-size: var(--font-size-meta);
  color: var(--color-terminal-comment);
  letter-spacing: var(--letter-spacing-meta);
}

/* Project Content */
.project-content {
  padding: var(--spacing-component-padding);
}

.project-title {
  font-family: var(--font-display);
  font-size: var(--font-size-card-title);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--letter-spacing-card-title);
  line-height: var(--line-height-card-title);
  margin-bottom: 1rem;
}

.project-description {
  font-family: var(--font-display);
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-body);
  color: var(--color-cool-gray);
  margin-bottom: 1.5rem;
}

.project-tags {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.tag {
  font-family: var(--font-mono);
  font-size: var(--font-size-meta);
  font-weight: var(--font-weight-normal);
  letter-spacing: var(--letter-spacing-meta);
  background-color: var(--color-surface-dark);
  color: var(--color-terminal-comment);
  padding: 0.25rem 0.5rem;
  border-radius: var(--border-radius-small);
  white-space: nowrap;
}

.project-link {
  font-family: var(--font-mono);
  font-size: var(--font-size-code);
  font-weight: var(--font-weight-normal);
  letter-spacing: var(--letter-spacing-code);
  text-decoration: none;
  cursor: pointer;
  color: var(--color-terminal-green);
  transition: var(--transition-default);
  display: inline-block;
}

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

/* About Section */
.about-container {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 3rem;
  align-items: center;
  margin-top: 2rem;
}

.about-photo {
  border-radius: var(--border-radius-medium);
  overflow: hidden;
  position: relative;
}

.profile-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: grayscale(20%);
  transition: filter 0.4s ease;
}

.about-photo:hover .profile-photo {
  filter: grayscale(0%);
}

.about-content {
  font-family: var(--font-display);
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-body);
  color: var(--color-cool-gray);
}

.about-title {
  font-family: var(--font-display);
  font-size: var(--font-size-section-title);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--letter-spacing-section-title);
  line-height: var(--line-height-section-title);
  margin-bottom: 1.5rem;
}

.about-text {
  margin-bottom: 1rem;
}

.about-comment {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--color-terminal-comment);
  margin-bottom: 0.4rem;
}

/* Contact Section */
.contact-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  margin-top: 2rem;
}

.contact-command {
  font-family: var(--font-mono);
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-normal);
  letter-spacing: var(--letter-spacing-body);
  color: var(--color-terminal-green);
  margin-bottom: 2rem;
}

.social-links {
  display: flex;
  gap: 2rem;
  justify-content: center;
}

.social-link {
  font-family: var(--font-mono);
  font-size: var(--font-size-meta);
  font-weight: var(--font-weight-normal);
  letter-spacing: var(--letter-spacing-meta);
  color: #4a4a4a;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  transition: color 0.3s ease;
}

.social-label {
  color: inherit;
}

.social-icon {
  width: 22px;
  height: 22px;
  fill: currentColor;
  transition: fill 0.3s ease;
}

.social-link--github:hover   { color: #ffffff; }
.social-link--linkedin:hover { color: #0077B5; }

[data-theme="light"] .social-link--github:hover { color: var(--color-amber); }

/* Footer */
footer {
  padding: 2rem 0;
  text-align: center;
  font-family: var(--font-mono);
  font-size: var(--font-size-section-label);
  color: var(--color-dim);
  letter-spacing: var(--letter-spacing-section-label);
  border-top: 1px solid var(--color-border-dim);
  margin-top: 4rem;
}

.footer-content {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  align-items: center;
}

.footer-built-with {
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--color-muted);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
}

.footer-claude-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  border-radius: 3px;
  vertical-align: middle;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .section {
    padding: var(--spacing-section-vertical-mobile) 0;
  }

  .hero-title {
    font-size: 3rem; /* 48px */
  }

  .videos-container {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  }

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

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

  .about-photo {
    height: auto;
  }
}

@media (max-width: 640px) {
  .hero-title {
    font-size: 2.25rem; /* 36px */
  }

  .hero-subtitle {
    font-size: 0.875rem; /* 14px */
  }

  .hero-cta {
    flex-direction: column;
    align-items: center;
  }

  .nav-container {
    padding: var(--spacing-base);
  }

  .nav-links {
    display: none;
  }

  .section-label {
    font-size: 0.625rem; /* 10px */
  }

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

  .about-content {
    font-size: 0.875rem; /* 14px */
  }

  .hamburger {
    display: flex;
  }

  .mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    height: 100vh;
    background-color: var(--color-card-dark);
    padding: 80px 20px 20px;
    transition: right 0.3s ease;
    z-index: 999;
  }

  .mobile-menu.active {
    right: 0;
  }

  .mobile-menu-links {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
  }

  .mobile-menu-links a {
    font-size: 1.25rem;
    padding: 0.5rem 0;
  }

  .mobile-menu-links a::after {
    display: none;
  }

  .mobile-menu-links a:hover {
    color: var(--color-amber);
  }
}

/* ─── Video Preview in Thumbnail ─────────────────────────────────────── */

.video-thumbnail {
  position: relative;
  overflow: hidden;
}

.video-preview {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 1;
  filter: grayscale(100%);
  transition: filter 0.4s ease;
  pointer-events: none;
}

.video-card:hover .video-preview {
  filter: grayscale(0%);
}

/* ─── Portrait video cards (9x16 short form) ─────────────────────────── */

.videos-container--portrait {
  grid-template-columns: repeat(3, 1fr);
}

.video-thumbnail--portrait {
  height: auto;
  aspect-ratio: 9 / 16;
}

@media (max-width: 768px) {
  .videos-container--portrait {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ─── Video Modal ─────────────────────────────────────────────────────── */

.video-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.video-modal.open {
  opacity: 1;
  pointer-events: all;
}

.video-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.92);
  cursor: pointer;
}

.video-modal-content {
  position: relative;
  z-index: 1;
  width: 90vw;
  max-width: 1100px;
  aspect-ratio: 16 / 9;
  background: var(--color-card-dark);
  border: 1px solid var(--color-border-dim);
  transform: scale(0.96);
  transition: transform 0.25s ease;
}

.video-modal.open .video-modal-content {
  transform: scale(1);
}

.video-modal-content video {
  width: 100%;
  height: 100%;
  display: block;
  background: #000;
}

.video-modal-close {
  position: absolute;
  top: -40px;
  right: 0;
  background: none;
  border: none;
  color: var(--color-cool-gray);
  font-size: 1.75rem;
  line-height: 1;
  cursor: pointer;
  padding: 4px 8px;
  transition: color 0.2s ease;
  font-family: var(--font-mono);
}

.video-modal-close:hover {
  color: var(--color-pure-white);
}

/* ─── Contact Command Trigger ─────────────────────────────────────── */

.contact-command {
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  font-family: var(--font-mono);
  text-align: left;
}

/* ─── Contact Terminal Modal ──────────────────────────────────────── */

.contact-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.contact-modal.open {
  opacity: 1;
  pointer-events: all;
}

.contact-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  cursor: pointer;
}

.contact-terminal {
  position: relative;
  z-index: 1;
  width: 680px;
  max-width: 90vw;
  background: #1c1c1e;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.85), 0 0 0 0.5px rgba(255,255,255,0.08);
  transform: scale(0.96) translateY(10px);
  transition: transform 0.25s ease;
}

.contact-modal.open .contact-terminal {
  transform: scale(1) translateY(0);
}

/* Title bar */
.contact-terminal-titlebar {
  display: flex;
  align-items: center;
  background: #2d2d2f;
  padding: 13px 16px;
  position: relative;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.contact-terminal-dots {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

.contact-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  cursor: pointer;
  transition: filter 0.15s ease;
}

.contact-dot:hover {
  filter: brightness(1.3);
}

.contact-dot.red    { background: #ff5f57; }
.contact-dot.yellow { background: #febc2e; }
.contact-dot.green  { background: #28c840; }

.contact-terminal-title {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: #888;
  letter-spacing: 0.04em;
  pointer-events: none;
}

/* Terminal body */
.contact-terminal-body {
  padding: 20px 24px 24px;
  min-height: 260px;
  max-height: 55vh;
  overflow-y: auto;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.75;
  scrollbar-width: none;
}

.contact-terminal-body::-webkit-scrollbar {
  display: none;
}

/* Output lines */
.t-line {
  white-space: pre-wrap;
  word-break: break-word;
  min-height: 1.75em;
}

.t-line.dim     { color: #555; }
.t-line.ask     { color: var(--color-amber); }
.t-line.success { color: var(--color-terminal-green); }
.t-line.echo    { color: #c9d1d9; }

.t-line .t-prompt { color: var(--color-terminal-green); }
.t-line .t-value  { color: #ffffff; }

/* "Press Enter to continue" hint bar */
.contact-terminal-hint {
  padding: 10px 24px;
  border-top: 1px solid rgba(255,255,255,0.05);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: #444;
  letter-spacing: 0.04em;
  user-select: none;
}

.hint-dots {
  animation: hint-blink 1.4s steps(1) infinite;
}

@keyframes hint-blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

/* Live input line */
.terminal-input-line {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 2px;
}

.terminal-prompt {
  color: var(--color-terminal-green);
  flex-shrink: 0;
  white-space: nowrap;
}

.terminal-input {
  background: none;
  border: none;
  outline: none;
  color: #ffffff;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  flex: 1;
  caret-color: var(--color-amber);
  min-width: 0;
}

.terminal-input::placeholder {
  color: #3a3a3a;
}