/* ============================================
   PREP ESSENTIALS — Clinical Clean Aesthetic
   Inspired by Alpha-H | Adapted for PE
   ============================================ */

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

:root {
  /* Palette */
  --white: #FFFFFF;
  --cream: #F9F7F4;
  --warm-grey: #F2EEE9;
  --sand: #E8E2DA;
  --line: #D6D0C8;
  --muted: #9B9590;
  --body: #373737;
  --dark: #1F1F1F;
  --black: #0B0B0B;

  /* Accent — muted sage, clinical but warm */
  --accent: #6B7F6B;
  --accent-light: #E8EDE8;
  --accent-hover: #566856;

  /* Typography */
  --font-body: 'DM Sans', 'Arimo', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-heading: 'DM Serif Display', 'Morion', Georgia, 'Times New Roman', serif;
  --font-accent: 'DM Serif Display', 'Morion Italic', Georgia, serif;

  /* Spacing */
  --section-pad: 80px;
  --container: 1200px;
  --gap: 24px;

  /* Radius */
  --radius: 4px;
}

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

body {
  font-family: var(--font-body);
  color: var(--body);
  background: var(--white);
  line-height: 1.6;
  font-size: 15px;
  letter-spacing: 0.01em;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Announcement Bar --- */
.announcement-bar {
  background: var(--dark);
  color: var(--white);
  text-align: center;
  padding: 10px 24px;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 500;
}

/* --- Header --- */
.header {
  background: var(--white);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  font-family: var(--font-heading);
  font-size: 20px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--black);
  font-weight: 400;
}

.logo span {
  font-family: var(--font-accent);
  font-style: italic;
  text-transform: none;
  letter-spacing: 0.02em;
  font-size: 14px;
  display: block;
  color: var(--muted);
  margin-top: -2px;
}

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

.nav a {
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--body);
  font-weight: 500;
  transition: color 0.2s;
  position: relative;
}

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

.nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width 0.3s;
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 20px;
}

.header-actions a, .header-actions button {
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--body);
  font-weight: 500;
  transition: color 0.2s;
}

.header-actions a:hover, .header-actions button:hover { color: var(--accent); }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 200;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--black);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  background: var(--cream);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--cream) 0%, var(--warm-grey) 40%, var(--sand) 100%);
}

.hero-pattern {
  position: absolute;
  inset: 0;
  opacity: 0.03;
  background-image: 
    radial-gradient(circle at 25% 25%, var(--dark) 1px, transparent 1px),
    radial-gradient(circle at 75% 75%, var(--dark) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-text {
  max-width: 520px;
}

.hero-label {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 20px;
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(36px, 5vw, 56px);
  line-height: 1.1;
  color: var(--black);
  font-weight: 400;
  margin-bottom: 24px;
}

.hero h1 em {
  font-family: var(--font-accent);
  font-style: italic;
  color: var(--accent);
}

.hero p {
  font-size: 16px;
  line-height: 1.7;
  color: var(--muted);
  margin-bottom: 36px;
  max-width: 420px;
}

.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-image-placeholder {
  width: 100%;
  aspect-ratio: 4/5;
  background: linear-gradient(145deg, var(--sand) 0%, var(--warm-grey) 50%, var(--cream) 100%);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.hero-image-placeholder::after {
  content: '';
  position: absolute;
  inset: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.hero-image-placeholder span {
  font-family: var(--font-accent);
  font-style: italic;
  font-size: 18px;
  color: var(--muted);
  z-index: 1;
}

/* --- Buttons --- */
.btn {
  display: inline-block;
  padding: 14px 36px;
  font-size: 12px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-weight: 600;
  border-radius: var(--radius);
  transition: all 0.3s;
  text-align: center;
}

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

.btn-primary:hover {
  background: var(--accent);
}

.btn-outline {
  background: transparent;
  color: var(--dark);
  border: 1.5px solid var(--dark);
}

.btn-outline:hover {
  background: var(--dark);
  color: var(--white);
}

.btn-accent {
  background: var(--accent);
  color: var(--white);
}

.btn-accent:hover {
  background: var(--accent-hover);
}

/* --- Section Headings --- */
.section-header {
  text-align: center;
  margin-bottom: 48px;
}

.section-label {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 12px;
}

.section-header h2 {
  font-family: var(--font-heading);
  font-size: clamp(28px, 3.5vw, 40px);
  color: var(--black);
  font-weight: 400;
  line-height: 1.2;
}

.section-header h2 em {
  font-family: var(--font-accent);
  font-style: italic;
  color: var(--accent);
}

.section-header p {
  font-size: 15px;
  color: var(--muted);
  margin-top: 12px;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
}

/* --- Product Grid --- */
.products-section {
  padding: var(--section-pad) 0;
  background: var(--white);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--gap);
}

.product-card {
  position: relative;
  transition: transform 0.3s;
}

.product-card:hover { transform: translateY(-4px); }

.product-image {
  aspect-ratio: 3/4;
  background: var(--cream);
  border-radius: var(--radius);
  margin-bottom: 16px;
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-image span {
  font-family: var(--font-accent);
  font-style: italic;
  font-size: 14px;
  color: var(--muted);
}

.product-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--accent);
  color: var(--white);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 2px;
  font-weight: 600;
}

.product-card h3 {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  color: var(--black);
  margin-bottom: 4px;
  letter-spacing: 0.02em;
}

.product-card .product-desc {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 8px;
}

.product-card .product-price {
  font-size: 14px;
  color: var(--dark);
  font-weight: 600;
}

.product-card .quick-buy {
  display: block;
  width: 100%;
  padding: 10px;
  margin-top: 12px;
  background: var(--dark);
  color: var(--white);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
  border-radius: var(--radius);
  transition: background 0.3s;
  text-align: center;
}

.product-card .quick-buy:hover { background: var(--accent); }

/* --- Trust Bar --- */
.trust-bar {
  background: var(--cream);
  padding: 48px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}

.trust-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.trust-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 24px;
}

.trust-item h4 {
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--dark);
}

.trust-item p {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.5;
}

/* --- Brand Story / About Section --- */
.story-section {
  padding: var(--section-pad) 0;
  background: var(--white);
}

.story-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.story-image {
  aspect-ratio: 4/5;
  background: linear-gradient(145deg, var(--cream) 0%, var(--sand) 100%);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.story-image::after {
  content: '';
  position: absolute;
  inset: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.story-image span {
  font-family: var(--font-accent);
  font-style: italic;
  font-size: 16px;
  color: var(--muted);
  z-index: 1;
}

.story-text h2 {
  font-family: var(--font-heading);
  font-size: clamp(28px, 3vw, 38px);
  color: var(--black);
  font-weight: 400;
  margin-bottom: 20px;
  line-height: 1.2;
}

.story-text h2 em {
  font-family: var(--font-accent);
  font-style: italic;
  color: var(--accent);
}

.story-text p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--body);
  margin-bottom: 16px;
}

.story-text .signature {
  font-family: var(--font-accent);
  font-style: italic;
  font-size: 18px;
  color: var(--accent);
  margin-top: 24px;
}

/* --- Categories Section --- */
.categories-section {
  padding: var(--section-pad) 0;
  background: var(--cream);
}

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

.category-card {
  position: relative;
  aspect-ratio: 4/5;
  background: var(--warm-grey);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  transition: transform 0.3s;
}

.category-card:hover { transform: translateY(-4px); }

.category-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(31,31,31,0.7) 0%, transparent 50%);
}

.category-content {
  position: relative;
  z-index: 2;
  padding: 28px;
  color: var(--white);
}

.category-content h3 {
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 400;
  margin-bottom: 8px;
}

.category-content p {
  font-size: 13px;
  opacity: 0.8;
  margin-bottom: 16px;
}

.category-content .btn {
  padding: 10px 24px;
  font-size: 11px;
}

/* --- Editorial / Journal Section --- */
.journal-section {
  padding: var(--section-pad) 0;
  background: var(--white);
}

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

.journal-card {
  transition: transform 0.3s;
}

.journal-card:hover { transform: translateY(-4px); }

.journal-image {
  aspect-ratio: 16/10;
  background: var(--cream);
  border-radius: var(--radius);
  margin-bottom: 16px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.journal-image span {
  font-family: var(--font-accent);
  font-style: italic;
  font-size: 14px;
  color: var(--muted);
}

.journal-card time {
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 500;
}

.journal-card h3 {
  font-family: var(--font-heading);
  font-size: 20px;
  color: var(--black);
  font-weight: 400;
  margin: 8px 0;
  line-height: 1.3;
}

.journal-card h3 a:hover { color: var(--accent); }

.journal-card p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.6;
}

/* --- Newsletter --- */
.newsletter-section {
  padding: 80px 0;
  background: var(--dark);
  color: var(--white);
  text-align: center;
}

.newsletter-section h2 {
  font-family: var(--font-heading);
  font-size: clamp(28px, 3vw, 36px);
  font-weight: 400;
  margin-bottom: 12px;
}

.newsletter-section h2 em {
  font-family: var(--font-accent);
  font-style: italic;
  color: var(--accent-light);
}

.newsletter-section p {
  font-size: 15px;
  color: rgba(255,255,255,0.6);
  margin-bottom: 32px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.newsletter-form {
  display: flex;
  gap: 0;
  max-width: 440px;
  margin: 0 auto;
}

.newsletter-form input {
  flex: 1;
  padding: 14px 20px;
  border: 1px solid rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.05);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 14px;
  border-radius: var(--radius) 0 0 var(--radius);
  outline: none;
  transition: border-color 0.3s;
}

.newsletter-form input::placeholder { color: rgba(255,255,255,0.4); }
.newsletter-form input:focus { border-color: var(--accent); }

.newsletter-form button {
  padding: 14px 28px;
  background: var(--accent);
  color: var(--white);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
  border: none;
  border-radius: 0 var(--radius) var(--radius) 0;
  transition: background 0.3s;
}

.newsletter-form button:hover { background: var(--accent-hover); }

/* --- Footer --- */
.footer {
  background: var(--black);
  color: rgba(255,255,255,0.6);
  padding: 60px 0 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand .logo {
  color: var(--white);
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 13px;
  line-height: 1.7;
  max-width: 280px;
}

.footer-col h4 {
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--white);
  font-weight: 600;
  margin-bottom: 20px;
}

.footer-col a {
  display: block;
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  padding: 5px 0;
  transition: color 0.2s;
}

.footer-col a:hover { color: var(--white); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
}

.footer-bottom a { color: rgba(255,255,255,0.4); }
.footer-bottom a:hover { color: var(--white); }

/* --- Page Hero (sub-pages) --- */
.page-hero {
  background: var(--cream);
  padding: 60px 0;
  text-align: center;
  border-bottom: 1px solid var(--line);
}

.page-hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(30px, 4vw, 44px);
  color: var(--black);
  font-weight: 400;
  margin-bottom: 12px;
}

.page-hero p {
  font-size: 15px;
  color: var(--muted);
  max-width: 520px;
  margin: 0 auto;
  line-height: 1.7;
}

/* --- About Page --- */
.about-values {
  padding: var(--section-pad) 0;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.value-card {
  text-align: center;
  padding: 40px 24px;
  background: var(--cream);
  border-radius: var(--radius);
}

.value-card .value-icon {
  font-size: 32px;
  color: var(--accent);
  margin-bottom: 20px;
}

.value-card h3 {
  font-family: var(--font-heading);
  font-size: 20px;
  color: var(--black);
  font-weight: 400;
  margin-bottom: 12px;
}

.value-card p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
}

/* --- Contact Page --- */
.contact-section {
  padding: var(--section-pad) 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.contact-form-group {
  margin-bottom: 20px;
}

.contact-form-group label {
  display: block;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 8px;
}

.contact-form-group input,
.contact-form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--line);
  background: var(--white);
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--body);
  border-radius: var(--radius);
  outline: none;
  transition: border-color 0.3s;
}

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

.contact-form-group textarea {
  min-height: 140px;
  resize: vertical;
}

.contact-info h3 {
  font-family: var(--font-heading);
  font-size: 24px;
  color: var(--black);
  font-weight: 400;
  margin-bottom: 16px;
}

.contact-info p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 24px;
}

.contact-detail {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
  align-items: flex-start;
}

.contact-detail .icon {
  color: var(--accent);
  font-size: 18px;
  margin-top: 2px;
}

.contact-detail .text {
  font-size: 14px;
  color: var(--body);
  line-height: 1.6;
}

.contact-detail .text strong {
  display: block;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 2px;
}

/* --- Legal Pages --- */
.legal-content {
  padding: 60px 0;
  max-width: 720px;
  margin: 0 auto;
}

.legal-content h2 {
  font-family: var(--font-heading);
  font-size: 24px;
  color: var(--black);
  font-weight: 400;
  margin: 32px 0 12px;
}

.legal-content h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--dark);
  margin: 24px 0 8px;
}

.legal-content p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--body);
  margin-bottom: 12px;
}

.legal-content ul {
  padding-left: 20px;
  list-style: disc;
  margin-bottom: 12px;
}

.legal-content li {
  font-size: 14px;
  line-height: 1.8;
  color: var(--body);
}

/* --- Breadcrumb --- */
.breadcrumb {
  padding: 16px 0;
  font-size: 12px;
  color: var(--muted);
}

.breadcrumb a {
  color: var(--muted);
  transition: color 0.2s;
}

.breadcrumb a:hover { color: var(--accent); }
.breadcrumb span { margin: 0 8px; }

/* --- Responsive --- */
@media (max-width: 1024px) {
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-content { grid-template-columns: 1fr; gap: 40px; }
  .hero { min-height: auto; padding: 60px 0; }
  .hero-visual { display: none; }
  .story-grid { grid-template-columns: 1fr; }
  .story-image { max-height: 400px; }
}

@media (max-width: 768px) {
  :root { --section-pad: 56px; }

  .hamburger { display: flex; }
  .nav {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    padding: 16px 24px;
    gap: 0 !important;
    display: none;
    z-index: 150;
  }
  .nav.open { display: flex; }
  .nav a {
    padding: 12px 0;
    border-bottom: 1px solid var(--line);
    font-size: 14px;
  }
  .nav a:last-child { border-bottom: none; }

  .header-inner { position: relative; }

  .trust-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .category-grid { grid-template-columns: 1fr; }
  .journal-grid { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }

  .newsletter-form {
    flex-direction: column;
  }
  .newsletter-form input {
    border-radius: var(--radius);
    margin-bottom: 8px;
  }
  .newsletter-form button {
    border-radius: var(--radius);
  }

  .hero h1 { font-size: 32px; }
  .product-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }

  body { overflow-x: hidden; }
}

@media (max-width: 480px) {
  .product-grid { grid-template-columns: 1fr; max-width: 320px; margin: 0 auto; }
  .trust-grid { grid-template-columns: 1fr; }
}

/* --- Animations --- */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Stagger children */
.stagger .reveal:nth-child(1) { transition-delay: 0s; }
.stagger .reveal:nth-child(2) { transition-delay: 0.1s; }
.stagger .reveal:nth-child(3) { transition-delay: 0.2s; }
.stagger .reveal:nth-child(4) { transition-delay: 0.3s; }