/* ============================================
   BORROW OLIVER — Minimal Mono
   ============================================ */

:root {
  --bg:           #ffffff;
  --bg-raised:    #f5f5f5;
  --text:         #1a1a1a;
  --text-muted:   #666666;
  --text-faint:   #999999;
  --accent:       #1a1a1a;
  --border:       #e5e5e5;

  --font-body:    'Space Grotesk', system-ui, sans-serif;
  --font-heading: 'Bebas Neue', Impact, sans-serif;
  --font-mono:    'JetBrains Mono', monospace;

  color-scheme: light;
}

[data-theme="dark"] {
  --bg:           #0a0f0a;
  --bg-raised:    #141a14;
  --text:         #d0e8d0;
  --text-muted:   #7aab7a;
  --text-faint:   #4a6e4a;
  --accent:       #5aff5a;
  --border:       rgba(90, 255, 90, 0.1);
  color-scheme: dark;
}

[data-theme="dark"] img {
  filter: brightness(0.75) saturate(0.4) sepia(0.3) hue-rotate(80deg);
}

/* Reset */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

body {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  transition: background 0.4s, color 0.4s;
  letter-spacing: -0.01em;
}

a { color: var(--text); text-decoration: underline; text-underline-offset: 3px; text-decoration-color: var(--border); }
a:hover { text-decoration-color: var(--text); }
img { max-width: 100%; height: auto; display: block; }
strong { font-weight: 600; }

/* Layout */
.container {
  max-width: 640px;
  margin: 0 auto;
  padding: 0 24px;
}

section { padding: clamp(48px, 6vw, 80px) 0; }

/* Typography */
h1, h2 {
  font-family: var(--font-heading);
  font-weight: 400;
  color: var(--text);
  line-height: 1.05;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

h1 { font-size: clamp(2.8rem, 6vw, 4.5rem); margin-bottom: 24px; }
h2 { font-size: clamp(2rem, 4vw, 3rem); margin-bottom: 24px; }

.price-inline { white-space: nowrap; }

/* Annotations */
.annotate { position: relative; }
.strikethrough { position: relative; transition: opacity 0.3s; }
.replacement { color: var(--text); font-style: italic; margin-left: 4px; margin-right: 6px; text-decoration: underline; text-decoration-color: var(--border); text-underline-offset: 3px; }

.replacement-static {
  display: block;
  font-style: italic;
  opacity: 0;
  transition: opacity 0.4s ease;
}
.replacement-static.visible {
  opacity: 1;
}

/* Theme toggle */
.theme-toggle {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 200;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s;
}
.theme-toggle:hover { border-color: var(--text); }
.theme-toggle svg { width: 16px; height: 16px; color: var(--text-faint); }
.theme-toggle .icon-moon { display: none; }
[data-theme="dark"] .theme-toggle .icon-sun { display: none; }
[data-theme="dark"] .theme-toggle .icon-moon { display: block; }
[data-theme="dark"] .theme-toggle { box-shadow: 0 0 12px rgba(90, 255, 90, 0.08); }

/* Nav */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: transparent;
  transition: background 0.3s;
}
.nav.scrolled {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
[data-theme="dark"] .nav.scrolled {
  background: rgba(10, 15, 10, 0.9);
}

.nav-inner {
  max-width: 640px;
  margin: 0 auto;
  padding: 0 24px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo { text-decoration: none; }
.nav-logo-text { font-family: var(--font-mono); font-size: 15px; font-weight: 500; color: var(--text); }
.nav-logo-text .accent { color: var(--text); }

.nav-links { display: flex; gap: 20px; }
.nav-link { font-size: 13px; color: var(--text-faint); text-decoration: none; }
.nav-link:hover { color: var(--text); }
.nav-toggle { display: none; }

@media (max-width: 480px) { .nav-links { display: none; } }

/* Buttons */
.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 14px;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
}

.btn-primary {
  padding: 12px 24px;
  background: var(--text);
  color: var(--bg);
  border-radius: 4px;
}
.btn-primary:hover { opacity: 0.85; color: var(--bg); }

.btn-link { color: var(--text-faint); padding: 12px 0; }
.btn-link:hover { color: var(--text); }

/* ============================================
   HERO
   ============================================ */

.hero { padding: 120px 0 60px; }

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

.hero-photo img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  object-position: center top;
  border-radius: 8px;
}

.hero-intro {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 12px;
}

.hero-sub {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 24px;
}

.hero-actions { display: flex; gap: 16px; align-items: center; margin-bottom: 32px; }

.hero-about p {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 14px;
}

/* ============================================
   HOW
   ============================================ */

.how-list { display: flex; flex-direction: column; }

.how-item {
  display: flex;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}
.how-item:last-child { border-bottom: none; }

.how-num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-faint);
  flex-shrink: 0;
  padding-top: 3px;
}

.how-item p { color: var(--text-muted); font-size: 15px; }
.how-item strong { color: var(--text); }

/* ============================================
   WHAT
   ============================================ */

.what-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 32px;
}

.what-item {
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}
.what-item strong { display: block; font-size: 14px; margin-bottom: 2px; }
.what-item span { font-size: 14px; color: var(--text-muted); line-height: 1.5; }

/* ============================================
   TESTIMONIALS
   ============================================ */

.testimonials { border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

.testimonials-list { display: flex; flex-direction: column; gap: 32px; }

.testimonial { padding-bottom: 32px; border-bottom: 1px solid var(--border); }
.testimonial:last-child { border-bottom: none; padding-bottom: 0; }

.testimonial-text {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.75;
  font-style: italic;
  margin-bottom: 16px;
}

.testimonial-author { display: flex; gap: 10px; align-items: center; }

.avatar-placeholder {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--bg-raised);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--text-faint);
  flex-shrink: 0;
}

.testimonial-author strong { display: block; font-size: 13px; }
.testimonial-author span { font-size: 12px; color: var(--text-faint); }

/* ============================================
   PRICING
   ============================================ */

.pricing-section { text-align: center; }

.pricing-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 8px;
}

.pricing-amount {
  font-family: var(--font-heading);
  font-size: clamp(4rem, 8vw, 6rem);
  color: var(--text);
  line-height: 1;
  margin-bottom: 24px;
  letter-spacing: 0.02em;
}
.pricing-amount span { font-size: 0.35em; color: var(--text-faint); }

.pricing-perks {
  list-style: none;
  margin-bottom: 24px;
  text-align: left;
  max-width: 360px;
  margin-left: auto;
  margin-right: auto;
}
.pricing-perks li {
  font-size: 14px;
  color: var(--text-muted);
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
}
.pricing-perks li:last-child { border-bottom: none; }

/* ============================================
   ABOUT
   ============================================ */

.about-content p {
  font-size: 16px;
  color: var(--text-muted);
  margin-bottom: 14px;
  line-height: 1.75;
}

/* ============================================
   CONTACT
   ============================================ */

.contact-sub { color: var(--text-muted); margin-bottom: 24px; font-size: 15px; }

.contact-grid {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}

.contact-divider { font-size: 12px; color: var(--text-faint); }

.contact-form { display: flex; flex-direction: column; gap: 8px; width: 100%; }

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 14px;
}
.contact-form input::placeholder,
.contact-form textarea::placeholder { color: var(--text-faint); }
.contact-form input:focus,
.contact-form textarea:focus { outline: none; border-color: var(--text); }
.contact-form textarea { resize: vertical; min-height: 80px; }
.contact-form .btn { align-self: flex-start; }

/* ============================================
   FOOTER
   ============================================ */

.footer { padding: 24px 0; border-top: 1px solid var(--border); }

.footer-inner {
  max-width: 640px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-logo { font-family: var(--font-mono); font-size: 13px; color: var(--text-faint); text-decoration: none; }
.footer-logo .accent { color: var(--text-faint); }

.footer-links { display: flex; gap: 14px; align-items: center; }
.footer-links a { font-size: 12px; color: var(--text-faint); text-decoration: none; }
.footer-links a:hover { color: var(--text); }

.footer-bottom { display: none; }

/* Animations */
.reveal { opacity: 0; transform: translateY(16px); }
.fade-up { opacity: 0; transform: translateY(20px); }

/* Responsive */
@media (max-width: 600px) {
  .hero-photo img { height: 300px; }
  .what-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; align-items: flex-start; }
  .footer-inner { flex-direction: column; gap: 8px; }
}