/* ============================================
   LoyalNuggets — Landing Page Styles
   Aesthetic: Warm editorial with golden accents
   ============================================ */

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

:root {
  /* Core palette */
  --bg: #faf9f7;
  --bg-elevated: #ffffff;
  --bg-card: #f3f1ee;
  --bg-hover: #e7e5e4;

  --text: #1c1917;
  --text-muted: #57534e;
  --text-dim: #78716c;

  --gold: #d97706;
  --gold-light: #f59e0b;
  --gold-dark: #b45309;
  --gold-glow: rgba(217, 119, 6, 0.12);

  --accent-purple: #7c3aed;
  --accent-cyan: #0891b2;

  --border: #e7e5e4;
  --border-hover: #d6d3d1;

  /* Typography */
  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body: 'Instrument Sans', system-ui, sans-serif;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

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

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

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

/* --- Noise Texture Overlay --- */
.noise {
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 128px 128px;
}

/* --- Container --- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg) var(--space-xl);
  backdrop-filter: blur(20px) saturate(1.2);
  background: rgba(250, 249, 247, 0.8);
  border-bottom: 1px solid var(--border);
  transition: transform 0.4s var(--ease-out);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.nav__icon {
  font-size: 1.5rem;
  color: var(--gold);
  animation: pulse-gold 3s ease-in-out infinite;
}

@keyframes pulse-gold {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.7; transform: scale(1.1); }
}

.nav__brand {
  font-family: var(--font-display);
  font-size: 1.3rem;
  letter-spacing: -0.02em;
}

.nav__links {
  display: flex;
  gap: var(--space-2xl);
}

.nav__links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.3s var(--ease-out);
  position: relative;
}

.nav__links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gold);
  transition: width 0.3s var(--ease-out);
}

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

.nav__links a:hover::after {
  width: 100%;
}

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

.nav__menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  transition: all 0.3s var(--ease-out);
}

.nav__menu-btn.active span:first-child {
  transform: rotate(45deg) translate(4px, 4px);
}

.nav__menu-btn.active span:last-child {
  transform: rotate(-45deg) translate(4px, -4px);
}

.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 999;
  background: var(--bg);
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-2xl);
}

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

.mobile-menu a {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--text-muted);
  transition: color 0.3s;
}

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

/* --- Hero --- */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: 100px;
  position: relative;
  overflow: hidden;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
  padding: 0 var(--space-xl);
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.hero__label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--space-lg);
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-out) 0.2s forwards;
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 6vw, 5.5rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-xl);
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-out) 0.4s forwards;
}

.hero__title em {
  font-style: italic;
  color: var(--gold);
  position: relative;
}

.hero__title em::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 0;
  right: 0;
  height: 8px;
  background: var(--gold);
  opacity: 0.2;
  border-radius: 4px;
}

.hero__subtitle {
  font-size: 1.15rem;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 480px;
  margin-bottom: var(--space-2xl);
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-out) 0.6s forwards;
}

.hero__cta {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-out) 0.8s forwards;
}

.hero__scroll {
  position: absolute;
  bottom: var(--space-2xl);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  opacity: 0;
  animation: fadeUp 0.8s var(--ease-out) 1.2s forwards;
}

.hero__scroll span {
  font-size: 0.75rem;
  color: var(--text-dim);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hero__scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--gold), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 1; transform: scaleY(1); }
  50% { opacity: 0.4; transform: scaleY(0.6); }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Hero Visual */
.hero__visual {
  position: relative;
  height: 500px;
  opacity: 0;
  animation: fadeUp 1s var(--ease-out) 0.6s forwards;
}

.hero__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
}

.hero__orb--1 {
  width: 300px;
  height: 300px;
  background: var(--gold);
  opacity: 0.15;
  top: 10%;
  right: 10%;
  animation: float 8s ease-in-out infinite;
}

.hero__orb--2 {
  width: 200px;
  height: 200px;
  background: var(--accent-purple);
  opacity: 0.1;
  bottom: 20%;
  left: 5%;
  animation: float 10s ease-in-out infinite reverse;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0); }
  25% { transform: translate(10px, -20px); }
  50% { transform: translate(-5px, 10px); }
  75% { transform: translate(15px, 5px); }
}

.hero__card {
  position: absolute;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-lg) var(--space-xl);
  backdrop-filter: blur(10px);
  transition: transform 0.5s var(--ease-spring), border-color 0.3s;
}

.hero__card:hover {
  transform: translateY(-4px) scale(1.02);
  border-color: var(--gold);
}

.hero__card-tag {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.hero__card p {
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin-top: var(--space-xs);
}

.hero__card--1 {
  top: 5%;
  right: 5%;
  width: 240px;
  animation: float 6s ease-in-out infinite;
}

.hero__card--2 {
  top: 40%;
  left: 0;
  width: 220px;
  animation: float 7s ease-in-out infinite 1s;
}

.hero__card--3 {
  bottom: 10%;
  right: 15%;
  width: 230px;
  animation: float 8s ease-in-out infinite 0.5s;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.8rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-xl);
  border: none;
  cursor: pointer;
  transition: all 0.3s var(--ease-out);
  white-space: nowrap;
}

.btn--primary {
  background: var(--gold);
  color: var(--bg);
}

.btn--primary:hover {
  background: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(245, 158, 11, 0.3);
}

.btn--ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border-hover);
}

.btn--ghost:hover {
  color: var(--text);
  border-color: var(--text-muted);
  transform: translateY(-2px);
}

.btn--lg {
  padding: 1rem 2.2rem;
  font-size: 1rem;
}

/* --- Marquee --- */
.marquee {
  padding: var(--space-2xl) 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}

.marquee__track {
  display: flex;
  gap: var(--space-3xl);
  animation: marquee 30s linear infinite;
  width: max-content;
}

.marquee__track span {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--text-dim);
  white-space: nowrap;
  transition: color 0.3s;
}

.marquee__track span:hover {
  color: var(--gold);
}

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

/* --- Section Headers --- */
.section-header {
  margin-bottom: var(--space-3xl);
}

.section-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: var(--space-sm);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.5rem);
  letter-spacing: -0.02em;
}

/* --- Categories --- */
.categories {
  padding: var(--space-5xl) 0;
}

.categories__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.category-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  display: flex;
  flex-direction: column;
  transition: all 0.4s var(--ease-out);
  overflow: hidden;
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease-out);
}

.category-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.category-card:hover::before {
  transform: scaleX(1);
}

.category-card--large {
  grid-column: span 2;
  grid-row: span 2;
  padding: var(--space-3xl);
}

.category-card--accent {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.08) 0%, rgba(245, 158, 11, 0.02) 100%);
  border-color: rgba(245, 158, 11, 0.15);
}

.category-card__number {
  font-family: var(--font-display);
  font-size: 4rem;
  color: var(--border-hover);
  line-height: 1;
  margin-bottom: auto;
}

.category-card--large .category-card__number {
  font-size: 6rem;
}

.category-card__title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin-top: var(--space-lg);
  margin-bottom: var(--space-sm);
}

.category-card--large .category-card__title {
  font-size: 2rem;
}

.category-card__desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

.category-card__arrow {
  font-size: 1.5rem;
  color: var(--text-dim);
  margin-top: var(--space-lg);
  transition: all 0.3s var(--ease-out);
}

.category-card:hover .category-card__arrow {
  color: var(--gold);
  transform: translateX(6px);
}

/* --- Featured Articles --- */
.featured {
  padding: var(--space-5xl) 0;
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-elevated) 50%, var(--bg) 100%);
}

.featured__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto;
  gap: var(--space-lg);
}

.article-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.4s var(--ease-out);
  cursor: pointer;
}

.article-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.article-card--hero {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.article-card__img {
  height: 200px;
  min-height: 100%;
}

.article-card--hero .article-card__img {
  height: 100%;
  min-height: 320px;
}

.article-card__body {
  padding: var(--space-xl) var(--space-2xl);
  display: flex;
  flex-direction: column;
}

.article-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.article-card__category {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.article-card__dot {
  color: var(--text-dim);
}

.article-card__date {
  font-size: 0.8rem;
  color: var(--text-dim);
}

.article-card__title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  line-height: 1.3;
  margin-bottom: var(--space-md);
}

.article-card--hero .article-card__title {
  font-size: 1.6rem;
}

.article-card__excerpt {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: var(--space-lg);
}

.article-card__read {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gold);
  transition: transform 0.3s var(--ease-out);
  display: inline-block;
}

.article-card:hover .article-card__read {
  transform: translateX(4px);
}

/* --- Stats --- */
.stats {
  padding: var(--space-5xl) 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
  text-align: center;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat__number {
  font-family: var(--font-display);
  font-size: 3.5rem;
  color: var(--gold);
  line-height: 1;
}

.stat__suffix {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--gold);
}

.stat__label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: var(--space-sm);
}

/* --- Newsletter --- */
.newsletter {
  padding: var(--space-5xl) 0;
}

.newsletter__card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-4xl);
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
  position: relative;
  overflow: hidden;
}

.newsletter__title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  line-height: 1.15;
  margin: var(--space-md) 0;
}

.newsletter__desc {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: var(--space-xl);
}

.newsletter__form {
  display: flex;
  gap: var(--space-sm);
}

.newsletter__input {
  flex: 1;
  padding: 0.9rem 1.4rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.3s;
}

.newsletter__input:focus {
  border-color: var(--gold);
}

.newsletter__input::placeholder {
  color: var(--text-dim);
}

.newsletter__fine {
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-top: var(--space-md);
}

/* Newsletter Decoration */
.newsletter__deco {
  position: relative;
  height: 300px;
}

.newsletter__orb {
  position: absolute;
  width: 200px;
  height: 200px;
  background: var(--gold);
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.12;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.newsletter__card-float {
  position: absolute;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-lg);
  font-size: 0.85rem;
  font-weight: 500;
  white-space: nowrap;
  animation: float 6s ease-in-out infinite;
}

.newsletter__card-float span {
  color: var(--gold);
}

.newsletter__card-float--1 {
  top: 10%;
  right: 10%;
}

.newsletter__card-float--2 {
  bottom: 20%;
  left: 5%;
  animation-delay: 1s;
}

.newsletter__card-float--3 {
  top: 50%;
  right: 30%;
  animation-delay: 2s;
}

/* --- Footer --- */
.footer {
  padding: var(--space-4xl) 0 var(--space-xl);
  border-top: 1px solid var(--border);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(4, 1fr);
  gap: var(--space-3xl);
  margin-bottom: var(--space-4xl);
}

.footer__tagline {
  color: var(--text-muted);
  margin-top: var(--space-md);
  font-size: 0.9rem;
}

.footer__col h4 {
  font-family: var(--font-display);
  font-size: 1rem;
  margin-bottom: var(--space-lg);
  color: var(--text);
}

.footer__col a {
  display: block;
  font-size: 0.85rem;
  color: var(--text-muted);
  padding: var(--space-xs) 0;
  transition: color 0.3s;
}

.footer__col a:hover {
  color: var(--gold);
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-xl);
  border-top: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* --- Ad Placeholder (for AdSense) --- */
.ad-placeholder {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
  padding: var(--space-md);
  text-align: center;
  color: var(--text-dim);
  font-size: 0.75rem;
  z-index: 100;
}

/* --- Scroll Reveal Animations --- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s var(--ease-out);
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* --- Responsive --- */
@media (max-width: 1024px) {
  .hero__grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero__subtitle {
    margin-left: auto;
    margin-right: auto;
  }

  .hero__cta {
    justify-content: center;
  }

  .hero__visual {
    display: none;
  }

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

  .category-card--large {
    grid-column: 1 / -1;
    grid-row: auto;
  }

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

  .article-card--hero {
    grid-template-columns: 1fr;
  }

  .article-card--hero .article-card__img {
    min-height: 200px;
  }

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

  .newsletter__deco {
    display: none;
  }

  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
  }
}

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

  .nav__menu-btn {
    display: flex;
  }

  .hero {
    padding-top: 80px;
  }

  .hero__title {
    font-size: clamp(2.2rem, 8vw, 3rem);
  }

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

  .stats__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-2xl);
  }

  .newsletter__card {
    padding: var(--space-2xl);
  }

  .newsletter__form {
    flex-direction: column;
  }

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

  .footer__bottom {
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
  }

  .section-title {
    font-size: clamp(1.6rem, 5vw, 2.5rem);
  }
}

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

  .stat__number {
    font-size: 2.5rem;
  }
}