/* ============================================
   RUMI - Global Wealth Portfolio Hub
   Main Stylesheet
   ============================================ */

/* CSS Variables */
:root {
  --color-bg: #FAFAFA;
  --color-bg-dark: #0A0A0A;
  --color-text: #111827;
  --color-text-muted: #6B7280;
  --color-text-light: #9CA3AF;
  --color-border: #E5E7EB;
  --color-border-dark: rgba(255, 255, 255, 0.1);
  --color-primary: #111827;
  --color-accent: #8B5CF6;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Dark mode */
@media (prefers-color-scheme: dark) {
  body {
    background-color: var(--color-bg-dark);
    color: #E5E7EB;
  }
  
  .light-only {
    display: none;
  }
}

@media (prefers-color-scheme: light) {
  .dark-only {
    display: none;
  }
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 1.875rem; }
h3 { font-size: 1.25rem; }

@media (min-width: 768px) {
  h1 { font-size: 3.75rem; }
  h2 { font-size: 2.25rem; }
}

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

/* Container */
.container {
  width: 100%;
  max-width: 80rem;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Navigation */
.navbar {
  position: sticky;
  top: 0;
  z-index: 50;
  width: 100%;
  border-bottom: 1px solid var(--color-border);
  background-color: rgba(250, 250, 250, 0.8);
  backdrop-filter: blur(12px);
}

@media (prefers-color-scheme: dark) {
  .navbar {
    background-color: rgba(10, 10, 10, 0.8);
    border-bottom-color: var(--color-border-dark);
  }
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.navbar-logo img {
  height: 3.5rem;
  width: 3.5rem;
}

.navbar-logo span {
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.025em;
}

.navbar-links {
  display: none;
  gap: 2rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

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

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

@media (prefers-color-scheme: dark) {
  .navbar-links a:hover {
    color: #fff;
  }
}

.navbar-cta {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  background-color: var(--color-primary);
  color: #fff;
  border-radius: 0.5rem;
  transition: background-color 0.2s;
}

.navbar-cta:hover {
  background-color: #1F2937;
}

@media (prefers-color-scheme: dark) {
  .navbar-cta {
    background-color: #fff;
    color: #000;
  }
  
  .navbar-cta:hover {
    background-color: #E5E7EB;
  }
}

/* Hero Section */
.hero {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 70vh;
  padding: 5rem 1.5rem;
  text-align: center;
  border-bottom: 1px solid var(--color-border);
}

@media (prefers-color-scheme: dark) {
  .hero {
    border-bottom-color: var(--color-border-dark);
  }
}

@media (min-width: 768px) {
  .hero {
    min-height: 80vh;
  }
}

.hero-glow {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 300px;
  background: radial-gradient(ellipse, rgba(168, 85, 247, 0.08) 0%, transparent 70%);
  pointer-events: none;
  z-index: -1;
}

.hero h1 {
  margin-bottom: 1.5rem;
  font-weight: 500;
  letter-spacing: -0.025em;
}

.hero h1 span {
  color: var(--color-text-light);
}

@media (prefers-color-scheme: dark) {
  .hero h1 span {
    color: #6B7280;
  }
}

.hero p {
  max-width: 42rem;
  margin-bottom: 2.5rem;
  font-size: 1.125rem;
  font-weight: 300;
  color: var(--color-text-muted);
}

/* How It Works Section */
.how-it-works {
  padding: 6rem 1.5rem;
  border-bottom: 1px solid var(--color-border);
}

@media (prefers-color-scheme: dark) {
  .how-it-works {
    border-bottom-color: var(--color-border-dark);
  }
}

.how-it-works h2 {
  margin-bottom: 1rem;
}

.how-it-works > .container > p {
  max-width: 42rem;
  margin-bottom: 4rem;
  color: var(--color-text-muted);
}

.steps-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background-color: var(--color-border);
  border-radius: 1rem;
  overflow: hidden;
}

@media (prefers-color-scheme: dark) {
  .steps-grid {
    background-color: var(--color-border-dark);
  }
}

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

.step-card {
  padding: 2rem;
  background-color: var(--color-bg);
  transition: background-color 0.2s;
}

@media (prefers-color-scheme: dark) {
  .step-card {
    background-color: var(--color-bg-dark);
  }
}

.step-card:hover {
  background-color: #F9FAFB;
}

@media (prefers-color-scheme: dark) {
  .step-card:hover {
    background-color: #121212;
  }
}

.step-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  margin-bottom: 1.5rem;
  border: 1px solid var(--color-border);
  border-radius: 0.5rem;
  color: var(--color-text);
}

@media (prefers-color-scheme: dark) {
  .step-icon {
    border-color: var(--color-border-dark);
    color: #fff;
  }
}

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

.step-card h3 {
  margin-bottom: 0.5rem;
}

.step-card p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.625;
}

.step-number {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  font-family: monospace;
  font-size: 0.75rem;
  color: var(--color-text-light);
  opacity: 0;
  transition: opacity 0.2s;
}

.step-card:hover .step-number {
  opacity: 1;
}

.step-card {
  position: relative;
}

/* Dashboard Section */
.dashboard-section {
  padding: 6rem 1.5rem;
  border-bottom: 1px solid var(--color-border);
}

@media (prefers-color-scheme: dark) {
  .dashboard-section {
    border-bottom-color: var(--color-border-dark);
  }
}

.dashboard-grid {
  display: grid;
  gap: 4rem;
}

@media (min-width: 1024px) {
  .dashboard-grid {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }
}

.dashboard-content h2 {
  margin-bottom: 1.5rem;
}

.dashboard-content p {
  font-size: 1.125rem;
  font-weight: 300;
  color: var(--color-text-muted);
  line-height: 1.625;
}

.dashboard-image {
  position: relative;
}

.dashboard-image-glow {
  position: absolute;
  inset: -4px;
  background: linear-gradient(to right, #A855F7, #8B5CF6);
  border-radius: 1rem;
  opacity: 0.2;
  transition: opacity 0.3s;
}

.dashboard-image:hover .dashboard-image-glow {
  opacity: 0.3;
}

.dashboard-image-inner {
  position: relative;
  overflow: hidden;
  border-radius: 0.75rem;
  border: 1px solid var(--color-border);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

@media (prefers-color-scheme: dark) {
  .dashboard-image-inner {
    border-color: var(--color-border-dark);
  }
}

.dashboard-image img {
  width: 100%;
  height: auto;
  display: block;
}

/* Footer */
.footer {
  padding: 3rem 1.5rem;
  border-top: 1px solid var(--color-border);
}

@media (prefers-color-scheme: dark) {
  .footer {
    border-top-color: rgba(255, 255, 255, 0.1);
  }
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

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

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.footer-brand img {
  height: 3rem;
  width: 3rem;
}

.footer-brand span {
  font-weight: 600;
  letter-spacing: -0.025em;
}

.footer-copy {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  transition: color 0.2s;
}

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

@media (prefers-color-scheme: dark) {
  .footer-links a:hover {
    color: #fff;
  }
}

/* Page Layout for Privacy/Terms */
.page-content {
  min-height: 100vh;
  padding: 6rem 1.5rem;
}

.page-content .container {
  max-width: 56rem;
}

.page-content h1 {
  margin-bottom: 2rem;
}

.page-content .meta {
  margin-bottom: 2rem;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.page-content .content {
  color: #4B5563;
}

@media (prefers-color-scheme: dark) {
  .page-content .content {
    color: #D1D5DB;
  }
}

.page-content section {
  margin-bottom: 2rem;
}

.page-content h2 {
  margin-bottom: 1rem;
}

.page-content p {
  margin-bottom: 1rem;
}

.page-content ul, .page-content ol {
  margin-bottom: 1rem;
  padding-left: 1.5rem;
}

.page-content li {
  margin-bottom: 0.5rem;
}

.page-content .info-box {
  margin: 1rem 0;
  padding: 1rem;
  border-radius: 0.5rem;
  background-color: #F9FAFB;
}

@media (prefers-color-scheme: dark) {
  .page-content .info-box {
    background-color: #1F2937;
  }
}

.page-content .warning-box {
  margin: 1rem 0;
  padding: 1rem;
  border-radius: 0.5rem;
  border: 1px solid #FCD34D;
  background-color: #FEFCE8;
}

@media (prefers-color-scheme: dark) {
  .page-content .warning-box {
    border-color: #854D0E;
    background-color: rgba(234, 179, 8, 0.1);
  }
}

.page-content .alert-box {
  margin: 1rem 0;
  padding: 1rem;
  border-radius: 0.5rem;
  border: 1px solid #FCA5A5;
  background-color: #FEF2F2;
}

@media (prefers-color-scheme: dark) {
  .page-content .alert-box {
    border-color: #991B1B;
    background-color: rgba(239, 68, 68, 0.1);
  }
}

.page-content table {
  width: 100%;
  margin: 1rem 0;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.page-content th, .page-content td {
  padding: 0.5rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

@media (prefers-color-scheme: dark) {
  .page-content th, .page-content td {
    border-bottom-color: #374151;
  }
}

.page-content th {
  font-weight: 600;
}