/* ==========================================================================
   PORTFOLIO STYLESHEET — MINH QUAN (2026)
   Aesthetic: Minimalist Monochrome (Black, White, Neutral Grays)
   Framework: Vanilla Modern CSS (CSS Custom Properties, Grid, Flexbox)
   ========================================================================== */

:root {
  --bg-primary: #FFFFFF;
  --bg-secondary: #FAFAFA;
  --bg-tertiary: #F4F4F5;
  --bg-elevated: #FFFFFF;
  --bg-overlay: rgba(10, 10, 10, 0.75);

  --border-subtle: #E4E4E7;
  --border-medium: #D4D4D8;
  --border-strong: #27272A;

  --text-primary: #09090B;
  --text-secondary: #52525B;
  --text-muted: #71717A;
  --text-inverse: #FFFFFF;

  --accent-black: #000000;
  --accent-gray: #27272A;
  --accent-light: #F4F4F5;

  --font-main: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;
  --radius-full: 9999px;

  --transition-fast: 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-bounce: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.08);
  --shadow-hover: 0 16px 40px rgba(0, 0, 0, 0.12);
}

/* Base & Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ==========================================================================
   TOP AVAILABILITY BAR
   ========================================================================== */
.availability-bar {
  background-color: var(--accent-black);
  color: var(--text-inverse);
  font-size: 0.8125rem;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
  letter-spacing: 0.01em;
}

.status-dot {
  width: 7px;
  height: 7px;
  background-color: #22C55E;
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 8px #22C55E;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.2); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

.bar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.platform-pill {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  text-transform: uppercase;
  background: rgba(255, 255, 255, 0.12);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  color: #E4E4E7;
  letter-spacing: 0.05em;
}

.btn-lang {
  display: flex;
  align-items: center;
  gap: 4px;
  color: #A1A1AA;
  font-size: 0.75rem;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.08);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.btn-lang:hover {
  color: #FFFFFF;
  background: rgba(255, 255, 255, 0.16);
}

.lang-code.active {
  color: #FFFFFF;
}

.lang-divider {
  opacity: 0.4;
}

/* ==========================================================================
   SITE HEADER & NAVIGATION
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  transition: background-color var(--transition-smooth);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand-identity {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-size: 1.125rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.brand-title {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
}

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

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 4px 0;
}

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

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1.5px;
  background-color: var(--accent-black);
  transition: width var(--transition-fast);
}

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

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 24px;
}

.mobile-menu-btn span {
  display: block;
  height: 2px;
  width: 100%;
  background-color: var(--text-primary);
  transition: all var(--transition-fast);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-smooth);
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--accent-black);
  color: var(--text-inverse);
  border: 1px solid var(--accent-black);
}

.btn-primary:hover {
  background-color: #27272A;
  border-color: #27272A;
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

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

.btn-outline:hover {
  background-color: var(--bg-tertiary);
  border-color: var(--text-primary);
  transform: translateY(-1px);
}

.btn-block {
  width: 100%;
}

.badge-mono {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
  background: var(--bg-tertiary);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  letter-spacing: 0.04em;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
  padding: 72px 0 84px;
  border-bottom: 1px solid var(--border-subtle);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 48px;
  align-items: center;
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.hero-location {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.hero-heading {
  font-size: clamp(2.5rem, 4.5vw, 4rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.035em;
  color: var(--text-primary);
  margin-bottom: 24px;
}

.heading-line {
  display: block;
}

.heading-accent {
  color: var(--text-muted);
  font-weight: 700;
}

.hero-lead {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.65;
  max-width: 580px;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

/* Hero Profile Card */
.hero-profile-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  box-shadow: var(--shadow-sm);
}

.avatar-wrapper {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background-color: var(--bg-tertiary);
  aspect-ratio: 1 / 1;
}

.avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
  filter: grayscale(100%);
  transition: filter var(--transition-smooth);
}

.avatar-wrapper:hover .avatar-img {
  filter: grayscale(0%);
}

.avatar-badge {
  position: absolute;
  bottom: 12px;
  right: 12px;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  color: #FFFFFF;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  gap: 6px;
  box-shadow: var(--shadow-md);
}

.badge-number {
  font-weight: 800;
  font-size: 0.9375rem;
}

.badge-label {
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  opacity: 0.85;
}

.profile-quick-stats {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 12px;
  border-top: 1px solid var(--border-subtle);
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-value {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.2;
}

.stat-name {
  font-size: 0.6875rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.stat-divider {
  width: 1px;
  height: 28px;
  background-color: var(--border-subtle);
}

/* ==========================================================================
   TRUST MARQUEE
   ========================================================================== */
.trust-marquee-section {
  padding: 32px 0 36px;
  border-bottom: 1px solid var(--border-subtle);
  background-color: var(--bg-secondary);
  overflow: hidden;
}

.marquee-label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  margin-bottom: 16px;
  text-align: center;
}

.marquee-track {
  width: 100%;
  overflow: hidden;
  position: relative;
}

.marquee-track::before,
.marquee-track::after {
  content: '';
  position: absolute;
  top: 0;
  width: 120px;
  height: 100%;
  z-index: 2;
  pointer-events: none;
}

.marquee-track::before {
  left: 0;
  background: linear-gradient(to right, var(--bg-secondary), transparent);
}

.marquee-track::after {
  right: 0;
  background: linear-gradient(to left, var(--bg-secondary), transparent);
}

.marquee-content {
  display: flex;
  align-items: center;
  gap: 36px;
  white-space: nowrap;
  animation: scrollMarquee 38s linear infinite;
  width: max-content;
}

.marquee-content:hover {
  animation-play-state: paused;
}

@keyframes scrollMarquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.client-name {
  font-size: 0.9375rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.client-name:hover {
  color: var(--text-primary);
}

.client-dot {
  color: var(--border-medium);
  font-size: 0.875rem;
}

/* ==========================================================================
   WORK & PORTFOLIO GRID
   ========================================================================== */
.work-section {
  padding: 84px 0 100px;
  border-bottom: 1px solid var(--border-subtle);
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 40px;
  flex-wrap: wrap;
  gap: 20px;
}

.section-tag {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.section-title {
  font-size: clamp(1.875rem, 3vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.section-desc {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 480px;
  line-height: 1.55;
}

/* Filter controls */
.filter-wrapper {
  margin-bottom: 48px;
  overflow-x: auto;
  padding-bottom: 8px;
}

.filter-list {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: max-content;
}

.filter-btn {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 8px 16px;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
}

.filter-btn.active {
  background-color: var(--accent-black);
  color: var(--text-inverse);
  border-color: var(--accent-black);
}

/* Projects Grid */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

/* Project Card */
.project-card {
  display: flex;
  flex-direction: column;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), border-color var(--transition-smooth);
  cursor: pointer;
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--border-strong);
}

.card-media {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  background-color: var(--bg-tertiary);
  overflow: hidden;
}

.card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

.project-card:hover .card-img {
  transform: scale(1.04);
}

.card-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-smooth);
}

.project-card:hover .card-overlay {
  opacity: 1;
}

.overlay-btn {
  background: #FFFFFF;
  color: #000000;
  padding: 8px 16px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transform: translateY(8px);
  transition: transform var(--transition-bounce);
}

.project-card:hover .overlay-btn {
  transform: translateY(0);
}

.card-content {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.card-category {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.card-year {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--text-muted);
}

.card-title {
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.3;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.card-summary {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 16px;
  flex-grow: 1;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.card-tag {
  font-size: 0.6875rem;
  color: var(--text-muted);
  background: var(--bg-tertiary);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  font-weight: 500;
}

/* ==========================================================================
   PROJECT MODAL / LIGHTBOX
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background-color: var(--bg-overlay);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-smooth), visibility var(--transition-smooth);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-container {
  background-color: var(--bg-primary);
  width: 100%;
  max-width: 960px;
  max-height: 90vh;
  border-radius: var(--radius-lg);
  overflow-y: auto;
  position: relative;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.3);
  transform: translateY(20px);
  transition: transform var(--transition-smooth);
}

.modal-overlay.active .modal-container {
  transform: translateY(0);
}

.modal-close-btn {
  position: sticky;
  top: 16px;
  float: right;
  margin-right: 16px;
  z-index: 10;
  width: 36px;
  height: 36px;
  background: rgba(0, 0, 0, 0.7);
  color: #FFFFFF;
  border-radius: 50%;
  font-size: 1.5rem;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--transition-fast);
}

.modal-close-btn:hover {
  background-color: #000000;
}

.modal-body {
  padding: 40px;
}

.modal-header {
  margin-bottom: 28px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-subtle);
}

.modal-eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.modal-title {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.modal-meta-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  background: var(--bg-secondary);
  padding: 16px 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
}

.meta-field-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.meta-field-value {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
}

.modal-narrative {
  margin-bottom: 36px;
}

.modal-narrative h4 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.modal-narrative p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
}

.modal-gallery {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.gallery-item {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  background-color: var(--bg-tertiary);
}

.gallery-item img {
  width: 100%;
  height: auto;
}

.gallery-caption {
  padding: 12px 16px;
  background: var(--bg-secondary);
  font-size: 0.8125rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-subtle);
}

/* ==========================================================================
   EXPERTISE SECTION
   ========================================================================== */
.expertise-section {
  padding: 84px 0 100px;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-subtle);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-smooth);
}

.service-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-md);
}

.service-num {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.service-title {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
  line-height: 1.3;
}

.service-desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 24px;
  flex-grow: 1;
}

.service-skills {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-top: 16px;
  border-top: 1px solid var(--border-subtle);
}

.service-skills li {
  font-size: 0.8125rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

.service-skills li::before {
  content: '—';
  color: var(--text-secondary);
}

/* ==========================================================================
   ABOUT & TIMELINE SECTION
   ========================================================================== */
.about-section {
  padding: 84px 0 100px;
  border-bottom: 1px solid var(--border-subtle);
}

.about-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
}

.about-narrative .section-title {
  margin-bottom: 24px;
}

.about-text p {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
}

.about-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 32px;
}

.highlight-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 20px;
}

.highlight-title {
  font-size: 0.9375rem;
  font-weight: 700;
  margin-bottom: 6px;
  display: block;
}

.highlight-desc {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Timeline */
.timeline-heading {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 28px;
  letter-spacing: -0.02em;
}

.timeline {
  display: flex;
  flex-direction: column;
  position: relative;
  padding-left: 24px;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 6px;
  bottom: 6px;
  left: 3px;
  width: 1.5px;
  background-color: var(--border-medium);
}

.timeline-item {
  position: relative;
  padding-bottom: 32px;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -24px;
  top: 6px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent-black);
}

.timeline-year {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  display: block;
  margin-bottom: 4px;
}

.timeline-role {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
}

.timeline-company {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.timeline-desc {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ==========================================================================
   PLATFORMS SECTION
   ========================================================================== */
.platforms-section {
  padding: 84px 0 100px;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-subtle);
}

.text-center {
  text-align: center;
}

.text-center .section-tag,
.text-center .section-title,
.text-center .section-desc {
  margin-left: auto;
  margin-right: auto;
}

.max-w-600 {
  max-width: 600px;
}

.platform-cards-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 48px;
}

.platform-card {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all var(--transition-smooth);
}

.platform-card.featured {
  border-color: var(--accent-black);
  box-shadow: var(--shadow-md);
}

.card-badge-top {
  position: absolute;
  top: -12px;
  left: 28px;
  background: var(--accent-black);
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  letter-spacing: 0.05em;
}

.platform-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 20px;
}

.platform-brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.platform-logo-icon {
  font-size: 1.75rem;
  line-height: 1;
}

.platform-name {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.platform-tagline {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.fee-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--bg-tertiary);
  color: var(--text-primary);
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

.platform-text {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 28px;
  flex-grow: 1;
}

.platform-features {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
}

.platform-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.45;
}

.platform-features svg {
  color: var(--accent-black);
  margin-top: 2px;
  flex-shrink: 0;
}

/* ==========================================================================
   CONTACT SECTION
   ========================================================================== */
.contact-section {
  padding: 84px 0 100px;
  border-bottom: 1px solid var(--border-subtle);
}

.contact-box {
  background-color: var(--accent-black);
  color: #FFFFFF;
  border-radius: var(--radius-lg);
  padding: 64px 56px;
}

.contact-header {
  margin-bottom: 48px;
  max-width: 680px;
}

.contact-box .section-tag {
  color: #A1A1AA;
}

.contact-title {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 16px;
  color: #FFFFFF;
}

.contact-lead {
  font-size: 1.125rem;
  color: #A1A1AA;
  line-height: 1.6;
}

.contact-methods {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.contact-method-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-fast);
}

.contact-method-card:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
}

.method-label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: #A1A1AA;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}

.method-val {
  font-size: 1.0625rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 4px;
}

.method-sub {
  font-size: 0.75rem;
  color: #71717A;
}

.contact-footer-cta {
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.contact-footer-cta p {
  font-size: 0.9375rem;
  color: #A1A1AA;
}

.live-sites-pill-group {
  display: flex;
  gap: 12px;
}

.live-pill {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: #FFFFFF;
  background: rgba(255, 255, 255, 0.12);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.live-pill:hover {
  background: #FFFFFF;
  color: #000000;
}

/* ==========================================================================
   SITE FOOTER
   ========================================================================== */
.site-footer {
  padding: 36px 0;
  background-color: var(--bg-primary);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-brand {
  font-size: 0.9375rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  display: block;
  margin-bottom: 4px;
}

.footer-copy {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.back-to-top {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.back-to-top:hover {
  color: var(--text-primary);
}

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

  .hero-profile-card {
    max-width: 480px;
  }

  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

@media (max-width: 768px) {
  .main-nav {
    display: none;
  }

  .nav-cta {
    display: none;
  }

  .mobile-menu-btn {
    display: flex;
  }

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

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

  .platform-cards-grid {
    grid-template-columns: 1fr;
  }

  .contact-box {
    padding: 36px 24px;
  }

  .modal-meta-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .modal-body {
    padding: 24px 20px;
  }
}