/* ============================================
   PANTY SOUP — Brand Design System
   ============================================ */

/* CSS Custom Properties */
:root {
  --color-bg: #0a0a0a;
  --color-bg-alt: #141414;
  --color-bg-card: #1a1a1a;
  --color-text: #f5f5f5;
  --color-text-muted: #a0a0a0;
  --color-primary: #FFD700;
  --color-accent: #FF2D7B;
  --color-border: #2a2a2a;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --max-width: 1200px;
  --max-width-content: 800px;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  --radius: 12px;
  --transition: 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

a:hover {
  color: var(--color-accent);
}

/* ============================================
   Typography
   ============================================ */

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
}

h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.8rem, 4vw, 3rem);
  letter-spacing: -0.01em;
}

h3 {
  font-size: clamp(1.3rem, 2.5vw, 1.8rem);
}

p {
  font-size: 1.1rem;
  margin-bottom: var(--spacing-sm);
}

/* ============================================
   Layout
   ============================================ */

.container {
  width: 90%;
  max-width: var(--max-width);
  margin: 0 auto;
}

.container--narrow {
  max-width: var(--max-width-content);
}

section {
  padding: var(--spacing-xl) 0;
}

/* ============================================
   Navigation
   ============================================ */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-sm) 0;
}

.nav__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav__logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
}

.nav__logo:hover {
  color: var(--color-accent);
}

.nav__links {
  display: flex;
  list-style: none;
  gap: var(--spacing-md);
}

.nav__links a {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  transition: color var(--transition);
}

.nav__links a:hover,
.nav__links a.active {
  color: var(--color-primary);
}

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

.nav__hamburger span {
  display: block;
  width: 25px;
  height: 2px;
  background-color: var(--color-text);
  transition: all var(--transition);
}

/* Mobile nav */
@media (max-width: 768px) {
  .nav__hamburger {
    display: flex;
  }

  .nav__links {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-bg);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
    transform: translateX(100%);
    transition: transform var(--transition);
  }

  .nav__links.active {
    transform: translateX(0);
  }

  .nav__links a {
    font-size: 1.5rem;
  }

  .nav__hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .nav__hamburger.active span:nth-child(2) {
    opacity: 0;
  }

  .nav__hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }
}

/* ============================================
   Hero Section
   ============================================ */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-top: 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(
    circle at 50% 50%,
    rgba(255, 215, 0, 0.06) 0%,
    rgba(255, 45, 123, 0.03) 30%,
    transparent 60%
  );
  animation: hero-glow 8s ease-in-out infinite alternate;
}

@keyframes hero-glow {
  0% { transform: translate(0, 0); }
  100% { transform: translate(2%, -2%); }
}

.hero__content {
  position: relative;
  z-index: 1;
}

.hero__tagline {
  font-size: clamp(1rem, 2vw, 1.3rem);
  color: var(--color-accent);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: var(--spacing-sm);
}

.hero__title {
  margin-bottom: var(--spacing-md);
}

.hero__title .highlight {
  color: var(--color-primary);
}

.hero__subtitle {
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto var(--spacing-lg);
  line-height: 1.8;
}

/* ============================================
   Buttons & CTAs
   ============================================ */

.btn {
  display: inline-block;
  padding: 1rem 2.5rem;
  border-radius: 50px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
}

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

.btn--primary:hover {
  background-color: var(--color-accent);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(255, 45, 123, 0.3);
}

.btn--outline {
  background: transparent;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
}

.btn--outline:hover {
  background-color: var(--color-primary);
  color: var(--color-bg);
  transform: translateY(-2px);
}

/* ============================================
   Email Signup
   ============================================ */

.signup {
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--spacing-lg);
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.signup__title {
  margin-bottom: var(--spacing-xs);
}

.signup__subtitle {
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-md);
}

.signup__form {
  display: flex;
  gap: var(--spacing-xs);
}

.signup__input {
  flex: 1;
  padding: 1rem 1.5rem;
  border-radius: 50px;
  border: 1px solid var(--color-border);
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 1rem;
  outline: none;
  transition: border-color var(--transition);
}

.signup__input:focus {
  border-color: var(--color-primary);
}

.signup__input::placeholder {
  color: var(--color-text-muted);
}

@media (max-width: 500px) {
  .signup__form {
    flex-direction: column;
  }

  .signup__form .btn {
    width: 100%;
  }
}

/* ============================================
   Blog Cards
   ============================================ */

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: var(--spacing-md);
}

.blog-card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
}

.blog-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(255, 215, 0, 0.08);
}

.blog-card__image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  background-color: var(--color-bg-alt);
}

.blog-card__content {
  padding: var(--spacing-md);
}

.blog-card__tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: var(--spacing-xs);
}

.blog-card__title {
  font-size: 1.3rem;
  margin-bottom: var(--spacing-xs);
}

.blog-card__title a {
  color: var(--color-text);
  text-decoration: none;
}

.blog-card__title a:hover {
  color: var(--color-primary);
}

.blog-card__excerpt {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: var(--spacing-sm);
}

.blog-card__meta {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* ============================================
   Blog Post (Article Page)
   ============================================ */

.article {
  padding-top: 120px;
  padding-bottom: var(--spacing-xl);
}

.article__header {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.article__tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: var(--spacing-sm);
}

.article__title {
  margin-bottom: var(--spacing-sm);
}

.article__meta {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.article__body {
  font-size: 1.1rem;
  line-height: 1.9;
}

.article__body h2 {
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
}

.article__body h3 {
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-xs);
}

.article__body p {
  margin-bottom: var(--spacing-md);
}

.article__body ul,
.article__body ol {
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-md);
}

.article__body li {
  margin-bottom: var(--spacing-xs);
}

.article__body blockquote {
  border-left: 3px solid var(--color-primary);
  padding-left: var(--spacing-md);
  margin: var(--spacing-md) 0;
  color: var(--color-text-muted);
  font-style: italic;
}

/* ============================================
   Featured Section
   ============================================ */

.featured {
  background-color: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.featured__header {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.featured__header h2 .highlight {
  color: var(--color-primary);
}

/* ============================================
   About Section / Page
   ============================================ */

.about-hero {
  padding-top: 120px;
  text-align: center;
}

.about-hero__title .highlight {
  color: var(--color-primary);
}

.about-content {
  font-size: 1.15rem;
  line-height: 1.9;
}

.about-content p {
  margin-bottom: var(--spacing-md);
}

/* ============================================
   Contact
   ============================================ */

.contact-form {
  max-width: 600px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--color-text);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 1rem;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  background-color: var(--color-bg-alt);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 1rem;
  outline: none;
  transition: border-color var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

/* ============================================
   Footer
   ============================================ */

.footer {
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-lg) 0;
  text-align: center;
}

.footer__brand {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.footer__links {
  list-style: none;
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.footer__links a {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.footer__links a:hover {
  color: var(--color-primary);
}

.footer__copy {
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

/* ============================================
   404 Page
   ============================================ */

.four-oh-four {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.four-oh-four__code {
  font-family: var(--font-display);
  font-size: clamp(6rem, 15vw, 12rem);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--spacing-sm);
}

.four-oh-four__message {
  font-size: 1.3rem;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-md);
}

/* ============================================
   Page Header (for inner pages)
   ============================================ */

.page-header {
  padding-top: 120px;
  padding-bottom: var(--spacing-lg);
  text-align: center;
}

.page-header__title .highlight {
  color: var(--color-primary);
}

.page-header__subtitle {
  color: var(--color-text-muted);
  font-size: 1.2rem;
  margin-top: var(--spacing-sm);
}

/* ============================================
   Utility Classes
   ============================================ */

.text-center { text-align: center; }
.text-muted { color: var(--color-text-muted); }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 768px) {
  section {
    padding: var(--spacing-lg) 0;
  }

  .signup {
    padding: var(--spacing-md);
  }

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

  .footer__links {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
}