/* condoNav.com CSS - Design System */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=Playfair+Display:ital,wght@0,400;0,600;1,400&display=swap');

:root {
  /* Color Palette */
  --bg-primary: #0F172A;     /* Very dark slate */
  --bg-secondary: #1E293B;   /* Slate gray */
  --accent: #E11D48;         /* Crimson Red */
  --accent-hover: #BE123C;   /* Darker Crimson */
  --text-primary: #F8FAFC;    /* Off-white */
  --text-secondary: #94A3B8;  /* Muted slate gray */
  --border-color: #334155;    /* Border line */
  
  /* Font Family */
  --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-serif: 'Playfair Display', Georgia, serif;
  
  /* Layout spacing */
  --section-padding: 8rem 2rem;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
}

body {
  overflow-x: hidden;
  line-height: 1.6;
}

/* Base Typographic Rules */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  font-weight: 300;
}

/* Header & Navigation */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 1.5rem 3rem;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: -0.01em;
}

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

.logo-sub {
  font-size: 0.75rem;
  font-family: var(--font-sans);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.2rem 0.5rem;
  border: 1px solid var(--accent);
  margin-left: 0.5rem;
  color: var(--accent);
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  align-items: center;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 400;
  transition: color 0.2s ease;
}

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

.cta-btn {
  background: var(--accent);
  color: var(--text-primary);
  border: none;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 0.95rem;
  cursor: pointer;
  border-radius: 2px;
  text-decoration: none;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.cta-btn:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(225, 29, 72, 0.2);
}

.cta-btn:active {
  transform: translateY(0);
}

/* Layout Blocks */
.container {
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
}

/* Hero Section - Asymmetric Tension */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 8rem 3rem 4rem 3rem;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border-color);
}

.hero-grid {
  display: grid;
  grid-template-cols: 1fr;
  gap: 4rem;
  width: 100%;
}

@media (min-width: 992px) {
  .hero-grid {
    grid-template-cols: 55% 45%;
    align-items: center;
  }
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(225, 29, 72, 0.1);
  border: 1px solid rgba(225, 29, 72, 0.3);
  color: var(--accent);
  padding: 0.4rem 0.8rem;
  font-size: 0.85rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 2rem;
  border-radius: 2px;
}

.hero h1 {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
  letter-spacing: -0.03em;
}

@media (min-width: 768px) {
  .hero h1 {
    font-size: 4.5rem;
  }
}

.hero h1 em {
  font-style: italic;
  font-weight: 400;
  color: var(--accent);
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: 2.5rem;
  max-width: 600px;
}

.hero-actions {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.secondary-link {
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 500;
  font-size: 1rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: opacity 0.2s ease;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 2px;
}

.secondary-link:hover {
  border-color: var(--text-primary);
}

/* Visual Card with Depth */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.doc-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  width: 100%;
  max-width: 440px;
  padding: 2.5rem;
  position: relative;
  z-index: 2;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.doc-header {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1rem;
  margin-bottom: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.doc-title {
  font-size: 1.1rem;
  font-family: var(--font-sans);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.doc-status {
  font-size: 0.8rem;
  background: rgba(225, 29, 72, 0.15);
  color: var(--accent);
  padding: 0.25rem 0.5rem;
  border-radius: 2px;
  font-weight: 600;
}

.doc-item {
  display: flex;
  justify-content: space-between;
  margin-bottom: 1rem;
  font-size: 0.95rem;
}

.doc-item span:first-child {
  color: var(--text-secondary);
}

.doc-item.alert {
  color: var(--accent);
  font-weight: 500;
}

.doc-item.alert span:first-child {
  color: var(--accent);
}

.price-tag-large {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.price-tag-large .price {
  font-size: 2.5rem;
  font-family: var(--font-serif);
  font-weight: 700;
  color: var(--text-primary);
}

.price-tag-large .label {
  color: var(--text-secondary);
  font-size: 0.85rem;
  text-transform: uppercase;
}

/* Problem & Solution Comparison Section */
.problems {
  padding: var(--section-padding);
  border-bottom: 1px solid var(--border-color);
  position: relative;
}

.section-header {
  margin-bottom: 5rem;
  text-align: center;
}

.section-header h2 {
  font-size: 3rem;
  margin-bottom: 1.5rem;
}

.section-header p {
  max-width: 600px;
  margin: 0 auto;
}

.grid-2 {
  display: grid;
  grid-template-cols: 1fr;
  gap: 3rem;
}

@media (min-width: 768px) {
  .grid-2 {
    grid-template-cols: 1fr 1fr;
  }
}

.comparison-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 3rem;
  position: relative;
}

.comparison-box.bad {
  border-left: 3px solid #64748B;
}

.comparison-box.good {
  border-left: 3px solid var(--accent);
}

.comparison-box h3 {
  font-size: 1.75rem;
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.comparison-box ul {
  list-style: none;
}

.comparison-box li {
  margin-bottom: 1.5rem;
  position: relative;
  padding-left: 1.75rem;
  font-size: 1.05rem;
  color: var(--text-secondary);
}

.comparison-box.bad li::before {
  content: "✕";
  color: #64748B;
  position: absolute;
  left: 0;
  font-weight: 700;
}

.comparison-box.good li::before {
  content: "✓";
  color: var(--accent);
  position: absolute;
  left: 0;
  font-weight: 700;
}

.comparison-box.good li strong {
  color: var(--text-primary);
}

/* Calculator Section */
.calculator {
  padding: var(--section-padding);
  border-bottom: 1px solid var(--border-color);
  background: rgba(30, 41, 59, 0.3);
}

.calc-container {
  max-width: 800px;
  margin: 0 auto;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 3.5rem;
  position: relative;
}

.calc-title {
  text-align: center;
  margin-bottom: 3rem;
}

.calc-title h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.range-group {
  margin-bottom: 3rem;
}

.range-label {
  display: flex;
  justify-content: space-between;
  font-size: 1.1rem;
  margin-bottom: 1rem;
  font-weight: 500;
}

.range-label span:last-child {
  color: var(--accent);
  font-weight: 700;
  font-size: 1.2rem;
}

input[type=range] {
  -webkit-appearance: none;
  width: 100%;
  background: var(--bg-primary);
  height: 6px;
  border-radius: 3px;
  outline: none;
}

input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  transition: transform 0.1s ease;
}

input[type=range]::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.calc-results {
  display: grid;
  grid-template-cols: 1fr 1fr;
  gap: 2rem;
  border-top: 1px solid var(--border-color);
  padding-top: 2.5rem;
  text-align: center;
}

.result-card h4 {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.result-card .value {
  font-size: 2.5rem;
  font-family: var(--font-serif);
  font-weight: 700;
  color: var(--text-primary);
}

.result-card .value.saving {
  color: var(--accent);
}

/* FAQ Section */
.faq {
  padding: var(--section-padding);
  border-bottom: 1px solid var(--border-color);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.faq-item {
  border: 1px solid var(--border-color);
  background: var(--bg-secondary);
}

.faq-trigger {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 1.5rem 2rem;
  color: var(--text-primary);
  font-size: 1.15rem;
  font-family: var(--font-sans);
  font-weight: 500;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-icon {
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--accent);
  transition: transform 0.3s ease;
}

.faq-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0, 1, 0, 1), padding 0.3s ease;
  padding: 0 2rem;
}

.faq-content p {
  padding-bottom: 1.5rem;
  font-size: 1rem;
}

.faq-item.active .faq-content {
  max-height: 500px; /* arbitrary height to slide down */
  transition: max-height 0.3s cubic-bezier(1, 0, 1, 0), padding 0.3s ease;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

/* CTA Footer Block */
.pricing-cta {
  padding: var(--section-padding);
  text-align: center;
  background: radial-gradient(circle at center, rgba(225, 29, 72, 0.08) 0%, transparent 70%);
}

.cta-box {
  max-width: 700px;
  margin: 0 auto;
}

.pricing-cta h2 {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
}

.pricing-cta .price-bubble {
  font-size: 5rem;
  font-family: var(--font-serif);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
  display: inline-block;
}

.pricing-cta .price-bubble span {
  font-size: 1.5rem;
  font-family: var(--font-sans);
  color: var(--text-secondary);
}

.pricing-cta p {
  max-width: 500px;
  margin: 0 auto 3rem auto;
}

.powered-by {
  margin-top: 4rem;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-secondary);
}

.powered-by strong {
  color: var(--text-primary);
}

footer {
  padding: 3rem;
  border-top: 1px solid var(--border-color);
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

footer a {
  color: var(--text-secondary);
  text-decoration: none;
}

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

/* Animations */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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