/* ===== 疗聊 - 主样式文件 ===== */
/* 基于 Tailwind CSS 风格，包含所有自定义样式 */

/* --- CSS Variables / Design Tokens --- */
:root {
  --color-slate-50: #f8fafc;
  --color-slate-100: #f1f5f9;
  --color-slate-200: #e2e8f0;
  --color-slate-400: #94a3b8;
  --color-slate-500: #64748b;
  --color-slate-600: #475569;
  --color-slate-700: #334155;
  --color-slate-800: #1e293b;
  --color-slate-900: #0f172a;
  --color-slate-950: #020617;
  --color-sky-400: #38bdf8;
  --color-sky-500: #0ea5e9;
  --color-sky-800: #075985;
  --color-white: #ffffff;
  --color-red-500: #FF2442;
  --color-indigo-500: #6366f1;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
}

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

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

body {
  font-family: var(--font-sans);
  background-color: var(--color-white);
  color: var(--color-slate-900);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

a {
  color: inherit;
  text-decoration: none;
}

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

ul {
  list-style: none;
}

/* --- Utility Classes --- */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.max-w-4xl {
  max-width: 56rem;
}

.max-w-5xl {
  max-width: 64rem;
}

.max-w-2xl {
  max-width: 42rem;
}

/* --- Header / Navigation --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-slate-200);
  opacity: 0;
  transform: translateY(-20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  z-index: 50;
  position: relative;
  transition: opacity 0.2s;
}

.nav-logo:hover {
  opacity: 0.8;
}

.nav-logo img {
  width: 40px;
  height: 40px;
}

.nav-logo span {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-slate-900);
}

.nav-links {
  display: none;
  align-items: center;
  gap: 2rem;
}

@media (min-width: 768px) {
  .nav-links {
    display: flex;
  }
}

.nav-link {
  color: var(--color-slate-600);
  transition: color 0.2s;
  font-size: 0.9375rem;
}

.nav-link:hover {
  color: var(--color-sky-500);
}

/* Dropdown */
.nav-dropdown {
  position: relative;
  display: flex;
  align-items: center;
  height: 100%;
}

.nav-dropdown-btn {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  color: var(--color-slate-600);
  transition: color 0.2s;
  font-size: 0.9375rem;
  outline: none;
}

.nav-dropdown-btn:hover {
  color: var(--color-sky-500);
}

.nav-dropdown-btn svg {
  width: 0.875rem;
  height: 0.875rem;
  transition: transform 0.2s;
}

.nav-dropdown-btn.active svg {
  transform: rotate(180deg);
}

.nav-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: var(--color-white);
  border: 1px solid var(--color-slate-200);
  border-radius: 1rem;
  padding: 0.75rem;
  min-width: 200px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
  opacity: 0;
  visibility: hidden;
  transition: all 0.2s ease;
}

.nav-dropdown-menu.show {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(4px);
}

.nav-dropdown-menu a {
  display: block;
  padding: 0.625rem 1rem;
  border-radius: 0.75rem;
  color: var(--color-slate-600);
  transition: all 0.15s;
  font-size: 0.875rem;
}

.nav-dropdown-menu a:hover {
  background: var(--color-slate-50);
  color: var(--color-sky-500);
}

/* Mobile Menu Button */
.mobile-menu-btn {
  display: flex;
  z-index: 50;
  padding: 0.5rem;
  margin-right: -0.5rem;
  color: var(--color-slate-600);
  transition: color 0.2s;
}

@media (min-width: 768px) {
  .mobile-menu-btn {
    display: none;
  }
}

.mobile-menu-btn:hover {
  color: var(--color-slate-900);
}

.mobile-menu-icon {
  width: 1.5rem;
  height: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.375rem;
}

.mobile-menu-icon span {
  width: 100%;
  height: 2px;
  background: currentColor;
  border-radius: 999px;
  transform-origin: center;
  transition: all 0.3s ease;
}

.mobile-menu-icon.open span:nth-child(1) {
  transform: rotate(45deg) translate(4px, 4px);
}

.mobile-menu-icon.open span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-icon.open span:nth-child(3) {
  transform: rotate(-45deg) translate(4px, -4px);
}

/* Mobile Menu Overlay */
.mobile-menu-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.3);
  z-index: 40;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.mobile-menu-overlay.show {
  opacity: 1;
  visibility: visible;
}

.mobile-menu-panel {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 280px;
  background: var(--color-white);
  z-index: 45;
  padding: 6rem 2rem 2rem;
  box-shadow: -10px 0 40px rgba(0, 0, 0, 0.1);
  transform: translateX(100%);
  transition: transform 0.3s ease;
}

.mobile-menu-panel.show {
  transform: translateX(0);
}

.mobile-menu-panel a {
  display: block;
  padding: 0.875rem 0;
  color: var(--color-slate-600);
  font-size: 1.0625rem;
  border-bottom: 1px solid var(--color-slate-100);
  transition: color 0.2s;
}

.mobile-menu-panel a:hover {
  color: var(--color-sky-500);
}

.mobile-menu-panel .mobile-dropdown-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 0.875rem 0;
  color: var(--color-slate-600);
  font-size: 1.0625rem;
  border-bottom: 1px solid var(--color-slate-100);
  transition: color 0.2s;
}

.mobile-menu-panel .mobile-dropdown-btn:hover {
  color: var(--color-sky-500);
}

.mobile-menu-panel .mobile-dropdown-btn svg {
  width: 0.875rem;
  height: 0.875rem;
  transition: transform 0.2s;
}

.mobile-menu-panel .mobile-dropdown-btn.active svg {
  transform: rotate(180deg);
}

.mobile-submenu {
  padding-left: 1rem;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.mobile-submenu.open {
  max-height: 200px;
}

.mobile-submenu a {
  font-size: 0.9375rem;
  padding: 0.625rem 0;
  border-bottom: none;
}

/* --- Main Content --- */
.main {
  flex: 1;
}

/* --- Home Page --- */
.home-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6rem 1.5rem 4rem;
}

.home-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 3rem;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.home-content.visible {
  opacity: 1;
  transform: translateY(0);
}

.home-logo {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.home-logo.visible {
  opacity: 1;
  transform: scale(1);
}

.home-logo img {
  width: 8rem;
  height: 8rem;
}

@media (min-width: 768px) {
  .home-logo img {
    width: 12rem;
    height: 12rem;
  }
}

.home-title {
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-slate-900);
  letter-spacing: -0.025em;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease 0.2s, transform 0.8s ease 0.2s;
}

.home-title.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (min-width: 768px) {
  .home-title {
    font-size: 4.5rem;
  }
}

.home-subtitle {
  font-size: 1.25rem;
  color: var(--color-slate-600);
  max-width: 36rem;
  line-height: 1.625;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease 0.4s, transform 0.8s ease 0.4s;
}

.home-subtitle.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (min-width: 768px) {
  .home-subtitle {
    font-size: 1.5rem;
  }
}

/* --- About Page --- */
.about-page {
  min-height: 100vh;
  padding: 8rem 1.5rem 5rem;
  background: var(--color-white);
}

.about-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 2rem;
  margin-bottom: 6rem;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.about-header.visible {
  opacity: 1;
  transform: translateY(0);
}

.about-header h1 {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--color-slate-900);
  letter-spacing: -0.025em;
  line-height: 1.25;
}

@media (min-width: 768px) {
  .about-header h1 {
    font-size: 3.75rem;
  }
}

.about-header .quote {
  font-size: 1.25rem;
  color: var(--color-slate-500);
  font-weight: 300;
  font-style: italic;
}

@media (min-width: 768px) {
  .about-header .quote {
    font-size: 1.5rem;
  }
}

.about-sections {
  display: flex;
  flex-direction: column;
  gap: 6rem;
}

/* Goals Section */
.goals-section {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.goals-header {
  text-align: center;
  max-width: 42rem;
  margin: 0 auto 3rem;
}

.goals-header h2 {
  font-size: 1.875rem;
  font-weight: 700;
  color: var(--color-slate-900);
  margin-bottom: 1rem;
}

.goals-header p {
  font-size: 1.125rem;
  color: var(--color-slate-600);
  line-height: 1.625;
}

.goals-header p br {
  display: none;
}

@media (min-width: 768px) {
  .goals-header p br {
    display: block;
  }
}

.goals-grid {
  display: grid;
  gap: 2rem;
}

@media (min-width: 768px) {
  .goals-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.goal-card {
  background: var(--color-slate-50);
  padding: 2rem;
  border-radius: 1.5rem;
  border: 1px solid var(--color-slate-100);
  backdrop-filter: blur(4px);
  transition: border-color 0.3s;
  opacity: 0;
  transform: translateY(20px);
}

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

.goal-card:hover {
  border-color: var(--color-sky-200);
}

.goal-icon {
  width: 3rem;
  height: 3rem;
  background: var(--color-white);
  border-radius: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-sky-500);
  margin-bottom: 1.5rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.goal-icon svg {
  width: 1.5rem;
  height: 1.5rem;
}

.goal-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-slate-900);
  margin-bottom: 0.25rem;
}

.goal-card .goal-en {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-sky-500);
  margin-bottom: 1rem;
}

.goal-card p {
  color: var(--color-slate-600);
  line-height: 1.625;
}

/* Indie Way Section */
.indie-section {
  position: relative;
  overflow: hidden;
  border-radius: 1.5rem;
  background: var(--color-slate-900);
  color: var(--color-white);
  padding: 2rem;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

@media (min-width: 768px) {
  .indie-section {
    padding: 3rem;
  }
}

@media (min-width: 1024px) {
  .indie-section {
    padding: 4rem;
  }
}

.indie-glow-1 {
  position: absolute;
  top: 0;
  right: 0;
  margin-top: -5rem;
  margin-right: -5rem;
  width: 16rem;
  height: 16rem;
  background: rgba(14, 165, 233, 0.2);
  filter: blur(64px);
  border-radius: 50%;
  pointer-events: none;
}

.indie-glow-2 {
  position: absolute;
  bottom: 0;
  left: 0;
  margin-bottom: -5rem;
  margin-left: -5rem;
  width: 16rem;
  height: 16rem;
  background: rgba(99, 102, 241, 0.2);
  filter: blur(64px);
  border-radius: 50%;
  pointer-events: none;
}

.indie-content {
  position: relative;
  z-index: 10;
  max-width: 42rem;
}

.indie-content h2 {
  font-size: 1.875rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 1.5rem;
}

.indie-content .indie-text {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  color: var(--color-slate-300);
  font-size: 1.125rem;
  line-height: 1.75;
}

/* Tech Stack */
.tech-stack {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid var(--color-slate-200);
  opacity: 0;
  transition: opacity 0.8s ease;
}

.tech-stack.visible {
  opacity: 1;
}

.tech-stack p {
  font-size: 0.875rem;
  color: var(--color-slate-500);
  font-family: var(--font-mono);
}

/* --- Contact Page --- */
.contact-page {
  min-height: 100vh;
  padding: 8rem 1.5rem 5rem;
  background: var(--color-white);
}

.contact-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1.5rem;
  margin-bottom: 5rem;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.contact-header.visible {
  opacity: 1;
  transform: translateY(0);
}

.contact-header h1 {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--color-slate-900);
  letter-spacing: -0.025em;
}

@media (min-width: 768px) {
  .contact-header h1 {
    font-size: 3.75rem;
  }
}

.contact-header p {
  font-size: 1.25rem;
  color: var(--color-slate-500);
  max-width: 42rem;
  font-weight: 300;
}

@media (min-width: 768px) {
  .contact-header p {
    font-size: 1.5rem;
  }
}

.contact-header p br {
  display: none;
}

@media (min-width: 768px) {
  .contact-header p br {
    display: block;
  }
}

.contact-grid {
  display: grid;
  gap: 2rem;
  align-items: start;
}

@media (min-width: 1024px) {
  .contact-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* Contact Info */
.contact-info {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  opacity: 0;
  transform: translateX(-20px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.contact-info.visible {
  opacity: 1;
  transform: translateX(0);
}

.contact-card {
  background: var(--color-slate-50);
  padding: 2rem;
  border-radius: 1.5rem;
  border: 1px solid var(--color-slate-100);
  backdrop-filter: blur(4px);
}

.contact-card-icon {
  width: 3rem;
  height: 3rem;
  background: var(--color-white);
  border-radius: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-sky-500);
  margin-bottom: 1.5rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.contact-card-icon svg {
  width: 1.5rem;
  height: 1.5rem;
}

.contact-card h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-slate-900);
  margin-bottom: 0.5rem;
}

.contact-card > p {
  color: var(--color-slate-600);
  margin-bottom: 1.5rem;
}

.email-box {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--color-white);
  padding: 1rem;
  border-radius: 0.75rem;
  border: 1px solid var(--color-slate-200);
}

.email-box code {
  flex: 1;
  font-family: var(--font-mono);
  color: var(--color-slate-700);
  font-size: 0.875rem;
}

.copy-btn {
  padding: 0.5rem;
  border-radius: 0.5rem;
  color: var(--color-slate-400);
  transition: all 0.2s;
  background: none;
  border: none;
  cursor: pointer;
}

.copy-btn:hover {
  background: var(--color-slate-100);
  color: var(--color-sky-500);
}

.copy-btn svg {
  width: 1.125rem;
  height: 1.125rem;
}

.send-email-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: 0.75rem;
  background: var(--color-slate-900);
  color: var(--color-white);
  font-weight: 500;
  transition: opacity 0.2s;
  width: 100%;
  margin-top: 1.5rem;
  border: none;
  cursor: pointer;
  font-size: 0.9375rem;
}

@media (min-width: 640px) {
  .send-email-btn {
    width: auto;
  }
}

.send-email-btn:hover {
  opacity: 0.9;
}

.indie-promise {
  padding: 2rem;
  text-align: center;
}

@media (min-width: 1024px) {
  .indie-promise {
    text-align: left;
  }
}

.indie-promise .promise-label {
  font-size: 0.875rem;
  font-family: var(--font-mono);
  color: var(--color-slate-400);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.indie-promise .promise-text {
  font-size: 1.125rem;
  color: var(--color-slate-600);
  font-style: italic;
}

/* Xiaohongshu Card */
.xhs-card {
  background: rgba(255, 36, 66, 0.05);
  padding: 2rem;
  border-radius: 1.5rem;
  border: 1px solid rgba(255, 36, 66, 0.1);
  position: relative;
  overflow: hidden;
  opacity: 0;
  transform: translateX(20px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.xhs-card.visible {
  opacity: 1;
  transform: translateX(0);
}

.xhs-glow {
  position: absolute;
  top: 0;
  right: 0;
  margin-top: -5rem;
  margin-right: -5rem;
  width: 16rem;
  height: 16rem;
  background: rgba(255, 36, 66, 0.1);
  filter: blur(64px);
  border-radius: 50%;
  pointer-events: none;
}

.xhs-content {
  position: relative;
  z-index: 10;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.xhs-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  background: var(--color-red-500);
  color: var(--color-white);
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.5rem;
  width: fit-content;
}

.xhs-card h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-slate-900);
  margin-bottom: 0.5rem;
}

.xhs-card > p {
  color: var(--color-slate-600);
  margin-bottom: 2rem;
  max-width: 28rem;
}

.xhs-card > p span {
  font-weight: 600;
  color: var(--color-slate-900);
}

.xhs-qr-box {
  background: var(--color-white);
  padding: 1.5rem;
  border-radius: 1rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  border: 1px solid var(--color-slate-200);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.xhs-qr-placeholder {
  width: 100%;
  max-width: 200px;
  aspect-ratio: 987 / 1347;
  /* background: var(--color-slate-100); */
  border-radius: 0.5rem;
  overflow: hidden;
  /* border: 1px solid var(--color-slate-100); */
  /* box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05); */
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-slate-400);
  font-size: 0.875rem;
  text-align: center;
  padding: 1rem;
}

.xhs-qr-placeholder svg {
  width: 3rem;
  height: 3rem;
  opacity: 0.3;
}

.xhs-qr-info {
  display: flex;
  width: 100%;
  justify-content: space-between;
  align-items: center;
  padding-top: 1rem;
  border-top: 1px solid var(--color-slate-100);
  margin-top: 1rem;
}

@media (min-width: 768px) {
  .xhs-qr-info {
    padding-top: 1.5rem;
    margin-top: 1.5rem;
  }
}

.xhs-qr-info .info-item {
  text-align: left;
}

.xhs-qr-info .info-item.right {
  text-align: right;
}

.xhs-qr-info .info-label {
  font-size: 0.75rem;
  color: var(--color-slate-500);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.xhs-qr-info .info-value {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-slate-900);
}

.xhs-qr-info .info-value.mono {
  font-family: var(--font-mono);
}

/* --- Footer --- */
.footer {
  border-top: 1px solid var(--color-slate-200);
  background: var(--color-white);
  opacity: 0;
  transition: opacity 0.8s ease;
}

.footer.visible {
  opacity: 1;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 2rem 1.5rem;
  font-size: 0.875rem;
  color: var(--color-slate-600);
}

@media (min-width: 768px) {
  .footer-content {
    flex-direction: row;
  }
}

.footer-left {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  text-align: center;
}

@media (min-width: 768px) {
  .footer-left {
    flex-direction: row;
    gap: 1.5rem;
    text-align: left;
  }
}

.footer-left a {
  transition: color 0.2s;
}

.footer-left a:hover {
  color: var(--color-sky-500);
}

.footer-right {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  font-weight: 500;
}

.footer-right a {
  transition: color 0.2s;
}

.footer-right a:hover {
  color: var(--color-sky-500);
}

/* --- Page Transition --- */
.page-fade-in {
  opacity: 0;
  transition: opacity 0.5s ease;
}

.page-fade-in.visible {
  opacity: 1;
}

/* --- Responsive --- */
@media (max-width: 767px) {
  .container {
    padding-left: 1rem;
    padding-right: 1rem;
  }
}

/* --- Dark Mode (based on system preference) --- */
@media (prefers-color-scheme: dark) {
  body {
    background-color: var(--color-slate-950);
    color: var(--color-slate-50);
  }

  .header {
    background: rgba(2, 6, 23, 0.8);
    border-bottom-color: var(--color-slate-800);
  }

  .nav-logo span {
    color: var(--color-slate-50);
  }

  .nav-link,
  .nav-dropdown-btn {
    color: var(--color-slate-400);
  }

  .nav-link:hover,
  .nav-dropdown-btn:hover {
    color: var(--color-sky-400);
  }

  .nav-dropdown-menu {
    background: var(--color-slate-900);
    border-color: var(--color-slate-800);
  }

  .nav-dropdown-menu a {
    color: var(--color-slate-400);
  }

  .nav-dropdown-menu a:hover {
    background: var(--color-slate-800);
    color: var(--color-sky-400);
  }

  .mobile-menu-btn {
    color: var(--color-slate-400);
  }

  .mobile-menu-btn:hover {
    color: var(--color-slate-100);
  }

  .mobile-menu-panel {
    background: var(--color-slate-950);
  }

  .mobile-menu-panel a,
  .mobile-menu-panel .mobile-dropdown-btn {
    color: var(--color-slate-400);
    border-bottom-color: var(--color-slate-800);
  }

  .mobile-menu-panel a:hover,
  .mobile-menu-panel .mobile-dropdown-btn:hover {
    color: var(--color-sky-400);
  }

  .home-title {
    color: var(--color-slate-50);
  }

  .home-subtitle {
    color: var(--color-slate-400);
  }

  .about-page,
  .contact-page {
    background: var(--color-slate-950);
  }

  .about-header h1,
  .contact-header h1 {
    color: var(--color-slate-50);
  }

  .about-header .quote {
    color: var(--color-slate-400);
  }

  .goals-header h2 {
    color: var(--color-slate-50);
  }

  .goals-header p {
    color: var(--color-slate-400);
  }

  .goal-card {
    background: rgba(2, 6, 23, 0.5);
    border-color: var(--color-slate-800);
  }

  .goal-card:hover {
    border-color: var(--color-sky-800);
  }

  .goal-icon {
    background: var(--color-slate-800);
  }

  .goal-card h3 {
    color: var(--color-slate-50);
  }

  .goal-card p {
    color: var(--color-slate-400);
  }

  .tech-stack {
    border-top-color: var(--color-slate-800);
  }

  .tech-stack p {
    color: var(--color-slate-500);
  }

  .contact-header p {
    color: var(--color-slate-400);
  }

  .contact-card {
    background: rgba(2, 6, 23, 0.5);
    border-color: var(--color-slate-800);
  }

  .contact-card-icon {
    background: var(--color-slate-800);
  }

  .contact-card h3 {
    color: var(--color-slate-50);
  }

  .contact-card > p {
    color: var(--color-slate-400);
  }

  .email-box {
    background: var(--color-slate-950);
    border-color: var(--color-slate-800);
  }

  .email-box code {
    color: var(--color-slate-300);
  }

  .copy-btn:hover {
    background: var(--color-slate-800);
  }

  .send-email-btn {
    background: var(--color-slate-50);
    color: var(--color-slate-900);
  }

  .indie-promise .promise-text {
    color: var(--color-slate-400);
  }

  .xhs-card {
    background: rgba(255, 36, 66, 0.1);
    border-color: rgba(255, 36, 66, 0.2);
  }

  .xhs-card h3 {
    color: var(--color-slate-50);
  }

  .xhs-card > p {
    color: var(--color-slate-400);
  }

  .xhs-card > p span {
    color: var(--color-slate-200);
  }

  .xhs-qr-box {
    background: var(--color-slate-950);
    border-color: var(--color-slate-800);
  }

  .xhs-qr-placeholder {
    background: var(--color-slate-900);
    border-color: var(--color-slate-800);
  }

  .xhs-qr-info .info-value {
    color: var(--color-slate-50);
  }

  .footer {
    background: var(--color-slate-950);
    border-top-color: var(--color-slate-800);
  }

  .footer-content {
    color: var(--color-slate-400);
  }

  .footer-right a:hover {
    color: var(--color-sky-400);
  }

  .footer-left a:hover {
    color: var(--color-sky-400);
  }
}