/* ===========================
   EDGEVEX - Premium Fintech Brand
   Complete Stylesheet
   =========================== */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Outfit:wght@400;500;600;700;800&display=swap');

/* CSS Variables */
:root {
  --bg-primary: #0a0e1a;
  --bg-secondary: #111827;
  --bg-card: #1a1f2e;
  --bg-card-hover: #222840;
  --text-primary: #ffffff;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --gold: #d4a843;
  --gold-light: #e8c36a;
  --gold-dark: #b8922e;
  --blue: #3b82f6;
  --blue-light: #60a5fa;
  --blue-dark: #2563eb;
  --border-color: rgba(255, 255, 255, 0.08);
  --border-light: rgba(255, 255, 255, 0.12);
  --glass-bg: rgba(10, 14, 26, 0.75);
  --glass-border: rgba(255, 255, 255, 0.1);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.6);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --transition: 0.3s ease;
  --max-width: 1200px;
  --nav-height: 72px;
}

/* Reset */
*, *::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: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  font-size: 16px;
  overflow-x: hidden;
}

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

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

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Outfit', 'Inter', sans-serif;
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
}

h1 { font-size: 3rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===========================
   NAVIGATION
   =========================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 1000;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  transition: background var(--transition), box-shadow var(--transition);
}

.navbar.scrolled {
  background: rgba(10, 14, 26, 0.95);
  box-shadow: var(--shadow-md);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav-logo {
  font-family: 'Outfit', sans-serif;
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: 2px;
  color: var(--text-primary);
}

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

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

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition);
  position: relative;
}

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

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gold);
  transition: width var(--transition);
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: transform var(--transition), opacity var(--transition);
}

/* ===========================
   HERO SECTION
   =========================== */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(var(--nav-height) + 40px) 0 80px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(10, 14, 26, 0.92) 0%,
    rgba(10, 14, 26, 0.8) 40%,
    rgba(10, 14, 26, 0.7) 100%
  );
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px;
}

.hero-content h1 {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #ffffff 0%, var(--gold-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-content .subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
  line-height: 1.8;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Page Hero (smaller) */
.page-hero {
  padding: calc(var(--nav-height) + 60px) 0 60px;
  text-align: center;
  background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
  border-bottom: 1px solid var(--border-color);
}

.page-hero h1 {
  margin-bottom: 16px;
}

.page-hero .subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto;
}

/* ===========================
   FORMS
   =========================== */
.signup-form {
  display: flex;
  gap: 12px;
  max-width: 480px;
  margin: 0 auto;
}

.signup-form input[type="email"] {
  flex: 1;
  padding: 14px 20px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.95rem;
  font-family: 'Inter', sans-serif;
  outline: none;
  transition: border-color var(--transition), background var(--transition);
}

.signup-form input[type="email"]::placeholder {
  color: var(--text-muted);
}

.signup-form input[type="email"]:focus {
  border-color: var(--gold);
  background: rgba(255, 255, 255, 0.12);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-gold {
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-dark) 100%);
  color: var(--bg-primary);
}

.btn-gold:hover {
  background: linear-gradient(135deg, var(--gold-light) 0%, var(--gold) 100%);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(212, 168, 67, 0.3);
}

.btn-blue {
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-dark) 100%);
  color: #ffffff;
}

.btn-blue:hover {
  background: linear-gradient(135deg, var(--blue-light) 0%, var(--blue) 100%);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(59, 130, 246, 0.3);
}

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

.btn-outline:hover {
  border-color: var(--gold);
  color: var(--gold);
}

/* ===========================
   SECTIONS
   =========================== */
.section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header h2 {
  margin-bottom: 16px;
}

.section-header p {
  font-size: 1.05rem;
  max-width: 540px;
  margin: 0 auto;
}

.section-alt {
  background: var(--bg-secondary);
}

/* ===========================
   FEATURE CARDS
   =========================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: center;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--gold);
  box-shadow: var(--shadow-lg);
}

.feature-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(212, 168, 67, 0.1);
  border-radius: var(--radius-md);
}

.feature-icon svg {
  width: 28px;
  height: 28px;
  stroke: var(--gold);
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.feature-card h3 {
  margin-bottom: 12px;
  font-size: 1.3rem;
}

.feature-card p {
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ===========================
   ARTICLE CARDS
   =========================== */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

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

.article-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.article-card:hover {
  transform: translateY(-4px);
  border-color: rgba(212, 168, 67, 0.3);
  box-shadow: var(--shadow-lg);
}

.article-card-image {
  position: relative;
  width: 100%;
  height: 200px;
  overflow: hidden;
}

.article-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.article-card:hover .article-card-image img {
  transform: scale(1.05);
}

.article-card-body {
  padding: 24px;
}

.article-category {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(59, 130, 246, 0.15);
  color: var(--blue-light);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
}

.article-card-body h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
  line-height: 1.4;
}

.article-card-body h3 a:hover {
  color: var(--gold);
}

.article-excerpt {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 16px;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.article-meta .read-more {
  color: var(--gold);
  font-weight: 600;
  transition: color var(--transition);
}

.article-meta .read-more:hover {
  color: var(--gold-light);
}

/* ===========================
   NEWSLETTER CTA
   =========================== */
.newsletter-cta {
  background: linear-gradient(135deg, var(--bg-secondary) 0%, rgba(212, 168, 67, 0.08) 100%);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 60px 40px;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.newsletter-cta h2 {
  font-size: 2rem;
  margin-bottom: 16px;
}

.newsletter-cta p {
  margin-bottom: 32px;
  font-size: 1rem;
}

/* Newsletter page large form */
.newsletter-large-form {
  max-width: 500px;
  margin: 0 auto;
}

.newsletter-large-form input[type="email"] {
  width: 100%;
  padding: 16px 20px;
  margin-bottom: 16px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 1rem;
  font-family: 'Inter', sans-serif;
  outline: none;
  transition: border-color var(--transition);
}

.newsletter-large-form input[type="email"]:focus {
  border-color: var(--gold);
}

.newsletter-large-form .btn {
  width: 100%;
  padding: 16px;
  font-size: 1rem;
}

/* ===========================
   CATEGORY FILTERS
   =========================== */
.category-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 48px;
}

.filter-btn {
  padding: 8px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 100px;
  color: var(--text-secondary);
  font-family: 'Inter', sans-serif;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--bg-primary);
}

/* ===========================
   ABOUT PAGE
   =========================== */
.about-story {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}

.about-story p {
  font-size: 1.1rem;
  line-height: 1.9;
  color: var(--text-secondary);
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 60px;
}

.value-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  transition: border-color var(--transition);
}

.value-card:hover {
  border-color: var(--gold);
}

.value-card h3 {
  color: var(--gold);
  margin-bottom: 12px;
  font-size: 1.3rem;
}

.value-card p {
  font-size: 0.95rem;
}

.team-section {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.team-section p {
  font-size: 1.05rem;
  line-height: 1.8;
}

/* ===========================
   CONTACT PAGE
   =========================== */
.contact-wrapper {
  max-width: 600px;
  margin: 0 auto;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-form label {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
  display: block;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 14px 18px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  outline: none;
  transition: border-color var(--transition), background var(--transition);
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--gold);
  background: rgba(255, 255, 255, 0.1);
}

.contact-form textarea {
  min-height: 160px;
  resize: vertical;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: var(--text-muted);
}

.contact-email {
  text-align: center;
  margin-top: 40px;
  padding-top: 40px;
  border-top: 1px solid var(--border-color);
}

.contact-email p {
  font-size: 0.95rem;
}

.contact-email a {
  color: var(--gold);
  font-weight: 600;
}

.contact-email a:hover {
  color: var(--gold-light);
}

/* ===========================
   ARTICLE PAGE
   =========================== */
.article-hero-image {
  width: 100%;
  max-height: 480px;
  overflow: hidden;
  margin-top: var(--nav-height);
}

.article-hero-image img {
  width: 100%;
  height: 480px;
  object-fit: cover;
}

.article-content {
  max-width: 740px;
  margin: 0 auto;
  padding: 48px 24px 80px;
}

.article-content .article-meta-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.article-content .article-meta-header span {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.article-content .article-meta-header .article-category {
  margin-bottom: 0;
}

.article-content h1 {
  font-size: 2.5rem;
  margin-bottom: 32px;
  line-height: 1.2;
}

.article-content h2 {
  font-size: 1.6rem;
  margin-top: 48px;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.article-content h3 {
  font-size: 1.3rem;
  margin-top: 36px;
  margin-bottom: 16px;
}

.article-content p {
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.article-content ul,
.article-content ol {
  margin-bottom: 20px;
  padding-left: 24px;
}

.article-content ul {
  list-style: disc;
}

.article-content ol {
  list-style: decimal;
}

.article-content li {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.article-content strong {
  color: var(--text-primary);
  font-weight: 600;
}

.article-content a {
  color: var(--gold);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.article-content a:hover {
  color: var(--gold-light);
}

.article-content blockquote {
  border-left: 3px solid var(--gold);
  margin: 32px 0;
  padding: 16px 24px;
  background: rgba(212, 168, 67, 0.05);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.article-content blockquote p {
  font-style: italic;
  color: var(--text-secondary);
  margin-bottom: 0;
}

/* Related Articles */
.related-articles {
  margin-top: 60px;
  padding-top: 40px;
  border-top: 1px solid var(--border-color);
}

.related-articles h3 {
  margin-bottom: 24px;
  font-size: 1.4rem;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.related-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
  transition: border-color var(--transition);
}

.related-card:hover {
  border-color: var(--gold);
}

.related-card h4 {
  margin-bottom: 8px;
  font-size: 1rem;
}

.related-card h4 a:hover {
  color: var(--gold);
}

.related-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

/* ===========================
   NEWSLETTER PAGE
   =========================== */
.newsletter-benefits {
  max-width: 560px;
  margin: 0 auto 48px;
}

.benefit-item {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
  align-items: flex-start;
}

.benefit-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  background: rgba(212, 168, 67, 0.1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
  font-weight: 700;
  font-size: 1.1rem;
}

.benefit-text h4 {
  margin-bottom: 4px;
  font-size: 1.05rem;
}

.benefit-text p {
  font-size: 0.9rem;
  margin-bottom: 0;
}

.social-proof {
  text-align: center;
  margin-top: 32px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* ===========================
   FOOTER
   =========================== */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 80px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 60px;
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.7;
  margin-top: 16px;
}

.footer-col h4 {
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.footer-col ul li {
  margin-bottom: 12px;
}

.footer-col ul li a {
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: color var(--transition);
}

.footer-col ul li a:hover {
  color: var(--gold);
}

.footer-bottom {
  text-align: center;
  padding-top: 32px;
  border-top: 1px solid var(--border-color);
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ===========================
   RESPONSIVE
   =========================== */
@media (max-width: 1024px) {
  .features-grid,
  .values-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 36px;
  }
}

@media (max-width: 768px) {
  h1 { font-size: 2.25rem; }
  h2 { font-size: 1.75rem; }

  .nav-links {
    display: none;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: rgba(10, 14, 26, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 32px 24px;
    gap: 24px;
    border-bottom: 1px solid var(--border-color);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-toggle {
    display: flex;
  }

  .hero-content h1 {
    font-size: 2.5rem;
  }

  .hero-content .subtitle {
    font-size: 1rem;
  }

  .signup-form {
    flex-direction: column;
  }

  .features-grid,
  .articles-grid,
  .articles-grid.two-col,
  .values-grid {
    grid-template-columns: 1fr;
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .section {
    padding: 60px 0;
  }

  .newsletter-cta {
    padding: 40px 24px;
  }

  .article-content h1 {
    font-size: 2rem;
  }

  .article-hero-image img {
    height: 280px;
  }
}

@media (max-width: 480px) {
  .hero-content h1 {
    font-size: 2rem;
  }

  .container {
    padding: 0 16px;
  }

  .feature-card {
    padding: 28px 20px;
  }

  .article-content {
    padding: 32px 16px 60px;
  }
}