/* ============================================
   DiskPort for Xcode
   Apple-inspired Design System
   ============================================ */

:root {
  --color-primary: #5856D6;
  --color-primary-light: #7A78E8;
  --color-primary-dark: #4240A8;
  --color-success: #34C759;
  --color-warning: #FF9500;
  --color-danger: #FF3B30;

  --bg-body: #FFFFFF;
  --bg-alt: #FBFBFD;
  --bg-surface: #FFFFFF;
  --bg-code: #F5F5F7;
  --bg-nav: rgba(255,255,255,0.72);

  --text-primary: #1D1D1F;
  --text-secondary: #6E6E73;
  --text-tertiary: #86868B;
  --text-inverse: #FFFFFF;

  --border-default: rgba(0,0,0,0.08);
  --border-subtle: rgba(0,0,0,0.04);

  --shadow-card: 0 2px 12px rgba(0,0,0,0.06);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.08);
  --shadow-glow: 0 0 80px rgba(88,86,214,0.15);

  --font-sans: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'Helvetica Neue', system-ui, sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'Menlo', 'Monaco', monospace;

  --container-max: 980px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 980px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg-body: #000000;
    --bg-alt: #0A0A0A;
    --bg-surface: #1C1C1E;
    --bg-code: #1C1C1E;
    --bg-nav: rgba(0,0,0,0.72);

    --text-primary: #F5F5F7;
    --text-secondary: #A1A1A6;
    --text-tertiary: #6E6E73;

    --border-default: rgba(255,255,255,0.08);
    --border-subtle: rgba(255,255,255,0.04);

    --shadow-card: 0 2px 12px rgba(0,0,0,0.3);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.4);
    --shadow-glow: 0 0 120px rgba(88,86,214,0.2);
  }
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; -webkit-font-smoothing: antialiased; scroll-behavior: smooth; }
body { font-family: var(--font-sans); color: var(--text-primary); background: var(--bg-body); line-height: 1.47059; }
img { max-width: 100%; display: block; }
a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
code { font-family: var(--font-mono); background: var(--bg-code); padding: 0.15em 0.4em; border-radius: 4px; font-size: 0.875em; }
pre { font-family: var(--font-mono); background: var(--bg-code); border-radius: var(--radius-md); padding: 1.25rem 1.5rem; overflow-x: auto; font-size: 0.875rem; line-height: 1.7; }
pre code { background: none; padding: 0; font-size: inherit; }

/* Container */
.container { max-width: var(--container-max); margin: 0 auto; padding: 0 1.5rem; }

/* Typography — Apple scale */
h1, h2, h3, h4 { font-weight: 600; letter-spacing: -0.04em; line-height: 1.08; }
h1 { font-size: clamp(2.5rem, 7vw, 4.5rem); }
h2 { font-size: clamp(2rem, 5vw, 3rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }
p { color: var(--text-secondary); line-height: 1.58824; }

/* ---- Navigation ---- */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: var(--bg-nav);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border-subtle);
}
.nav-inner {
  max-width: var(--container-max); margin: 0 auto; padding: 0 1.5rem;
  display: flex; align-items: center; justify-content: space-between; height: 48px;
}
.nav-brand {
  display: flex; align-items: center; gap: 0.5rem;
  font-weight: 600; font-size: 1.0625rem; color: var(--text-primary); text-decoration: none;
}
.nav-brand:hover { color: var(--text-primary); text-decoration: none; }
.brand-icon {
  width: 28px; height: 28px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  border-radius: 7px;
  display: flex; align-items: center; justify-content: center;
  color: white; font-weight: 700; font-size: 0.8125rem;
}
.nav-links { display: flex; align-items: center; gap: 1.75rem; list-style: none; }
.nav-links a { color: var(--text-secondary); font-size: 0.8125rem; font-weight: 400; text-decoration: none; }
.nav-links a:hover { color: var(--text-primary); text-decoration: none; }
.nav-cta {
  background: var(--color-primary); color: white !important;
  padding: 6px 16px; border-radius: var(--radius-full);
  font-size: 0.8125rem !important; font-weight: 500 !important;
}
.nav-cta:hover { background: var(--color-primary-light); color: white !important; text-decoration: none !important; }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 0.5rem; color: var(--text-primary); }
.nav-toggle svg { width: 20px; height: 20px; }

@media (max-width: 768px) {
  .nav-toggle { display: block; }
  .nav-links {
    display: none; position: absolute; top: 48px; left: 0; right: 0;
    background: var(--bg-surface); border-bottom: 1px solid var(--border-default);
    flex-direction: column; padding: 1.5rem; gap: 1rem;
  }
  .nav-links.open { display: flex; }
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 12px 24px; border-radius: var(--radius-full);
  font-size: 1rem; font-weight: 500; font-family: var(--font-sans);
  border: none; cursor: pointer; text-decoration: none; line-height: 1.2;
  transition: all 0.2s ease;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--color-primary); color: white; }
.btn-primary:hover { background: var(--color-primary-light); color: white; }
.btn-secondary { background: transparent; color: var(--color-primary); border: 1px solid var(--color-primary); }
.btn-secondary:hover { background: rgba(88,86,214,0.06); color: var(--color-primary); }
.btn-lg { padding: 16px 32px; font-size: 1.0625rem; }
.btn svg { width: 18px; height: 18px; }

/* ---- Section layout ---- */
section { padding: 7rem 0; }
.section-header { text-align: center; max-width: 640px; margin: 0 auto 4rem; }
.section-eyebrow {
  font-size: 0.875rem; font-weight: 500; color: var(--color-primary);
  text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 0.75rem;
}
.section-header h2 { margin-bottom: 1rem; }
.section-header p { font-size: 1.125rem; }
.alt-bg { background: var(--bg-alt); }

/* ---- Hero ---- */
.hero { padding: 8rem 0 6rem; text-align: center; position: relative; overflow: hidden; display: flex; justify-content: center; }
.hero::before {
  content: ''; position: absolute; top: -200px; left: 50%; transform: translateX(-50%);
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(88,86,214,0.06) 0%, transparent 70%);
  pointer-events: none;
}
.hero .container { position: relative; z-index: 1; width: 100%; text-align: center; }
.hero h1 { margin-bottom: 1rem; }
.hero h1 .gradient-text {
  background: linear-gradient(90deg, #5856D6, #AF52DE, #5856D6);
  background-size: 200% auto;
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero-sub { font-size: 1.3125rem; max-width: 500px; margin-left: auto; margin-right: auto; margin-bottom: 2.5rem; color: var(--text-secondary); line-height: 1.5; }
.hero-actions { display: flex; align-items: center; justify-content: center; gap: 1rem; margin-bottom: 4rem; flex-wrap: wrap; }
.hero-icon { display: block; margin: 0 auto; width: 200px; height: 200px; border-radius: 44px; box-shadow: var(--shadow-glow), var(--shadow-lg); object-fit: cover; }
.hero-meta {
  display: flex; align-items: center; justify-content: center; gap: 2rem;
  margin-top: 3rem; font-size: 0.8125rem; color: var(--text-tertiary);
}
.hero-meta span { display: flex; align-items: center; gap: 6px; }
.hero-meta svg { width: 14px; height: 14px; }
.beta-badge {
  display: inline-block; background: var(--color-primary); color: white;
  font-size: 0.6875rem; font-weight: 600; padding: 2px 8px;
  border-radius: var(--radius-full); text-transform: uppercase; letter-spacing: 0.05em;
  vertical-align: middle; margin-left: 4px;
}

/* ---- Problem ---- */
.problem-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.problem-terminal {
  background: #1D1D1F; border-radius: var(--radius-lg); padding: 2rem;
  font-family: var(--font-mono); font-size: 0.8125rem; line-height: 2; color: #A1A1A6;
}
.problem-terminal .cmd { color: #86868B; margin-bottom: 0.5rem; }
.problem-terminal .row { display: flex; justify-content: space-between; padding: 2px 0; }
.problem-terminal .size { color: #FF453A; font-weight: 600; }
.problem-terminal .size.warn { color: #FF9F0A; }
.problem-terminal .total { border-top: 1px solid #333; margin-top: 0.5rem; padding-top: 0.5rem; font-weight: 700; color: #F5F5F7; }
.problem-content h2 { margin-bottom: 1rem; }
.problem-content p { font-size: 1.0625rem; margin-bottom: 1rem; }
.pain-list { list-style: none; padding: 0; margin-top: 1.5rem; }
.pain-list li { display: flex; align-items: flex-start; gap: 0.75rem; margin-bottom: 0.875rem; color: var(--text-secondary); font-size: 0.9375rem; }
.pain-list li::before { content: ''; width: 6px; height: 6px; background: var(--color-danger); border-radius: 50%; flex-shrink: 0; margin-top: 8px; }
@media (max-width: 768px) { .problem-grid { grid-template-columns: 1fr; gap: 2rem; } }

/* ---- Features ---- */
.features-list { display: flex; flex-direction: column; gap: 6rem; }
.feature-row { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.feature-row:nth-child(even) .feature-text { order: 2; }
.feature-row:nth-child(even) .feature-visual { order: 1; }
.feature-visual {
  aspect-ratio: 4/3; background: var(--bg-alt); border-radius: var(--radius-xl);
  display: flex; align-items: center; justify-content: center;
}
.feature-visual svg.icon-lg { width: 80px; height: 80px; color: var(--color-primary); opacity: 0.6; flex-shrink: 0; }
.feature-badge {
  display: inline-block; font-size: 0.75rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.05em; padding: 4px 10px; border-radius: var(--radius-full); margin-bottom: 1rem;
}
.badge-free { background: rgba(52,199,89,0.1); color: var(--color-success); }
.badge-pro { background: rgba(88,86,214,0.1); color: var(--color-primary); }
.feature-text h3 { font-size: 1.75rem; margin-bottom: 0.75rem; letter-spacing: -0.03em; }
.feature-text p { font-size: 1.0625rem; margin-bottom: 0.75rem; }
.feature-detail { font-size: 0.875rem; color: var(--text-tertiary); }
@media (max-width: 768px) {
  .feature-row { grid-template-columns: 1fr; gap: 2rem; }
  .feature-row:nth-child(even) .feature-text { order: 1; }
  .feature-row:nth-child(even) .feature-visual { order: 2; }
}

/* ---- Pricing ---- */
.pricing-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; max-width: 780px; margin: 0 auto; }
.pricing-card { background: var(--bg-surface); border-radius: var(--radius-xl); padding: 3rem; position: relative; }
.pricing-card.featured { box-shadow: var(--shadow-lg); }
.pricing-tier { font-size: 0.875rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-tertiary); margin-bottom: 0.5rem; }
.pricing-price { font-size: 3.5rem; font-weight: 600; letter-spacing: -0.04em; line-height: 1; margin-bottom: 0.25rem; }
.pricing-price .currency { font-size: 1.75rem; vertical-align: super; }
.pricing-note { font-size: 0.8125rem; color: var(--text-tertiary); margin-bottom: 2rem; }
.pricing-features { list-style: none; padding: 0; margin-bottom: 2rem; }
.pricing-features li { padding: 0.5rem 0; font-size: 0.9375rem; color: var(--text-secondary); display: flex; align-items: center; gap: 0.5rem; }
.pricing-features li::before { content: ''; width: 5px; height: 5px; background: var(--color-success); border-radius: 50%; flex-shrink: 0; }
.pricing-features li.off { color: var(--text-tertiary); }
.pricing-features li.off::before { background: var(--text-tertiary); }
.pricing-card .btn { width: 100%; }
@media (max-width: 640px) { .pricing-grid { grid-template-columns: 1fr; } }

/* ---- Quotes ---- */
.quotes-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.quote-card { padding: 0; }
.quote-card blockquote { font-size: 1.0625rem; color: var(--text-secondary); line-height: 1.6; font-style: italic; margin-bottom: 1.25rem; }
.quote-author { font-size: 0.875rem; font-weight: 600; color: var(--text-primary); }
.quote-role { font-size: 0.8125rem; color: var(--text-tertiary); }
@media (max-width: 768px) { .quotes-grid { grid-template-columns: 1fr; } }

/* ---- CTA ---- */
.cta { text-align: center; padding: 8rem 0; }
.cta h2 { margin-bottom: 1rem; }
.cta p { font-size: 1.125rem; max-width: 480px; margin: 0 auto 2rem; }
.cta-actions { display: flex; align-items: center; justify-content: center; gap: 1rem; flex-wrap: wrap; }
.cta-note { font-size: 0.8125rem; color: var(--text-tertiary); margin-top: 1.5rem; }

/* ---- Footer ---- */
.footer { background: var(--bg-alt); border-top: 1px solid var(--border-default); padding: 3rem 0 2rem; }
.footer-grid { display: grid; grid-template-columns: 2fr repeat(3, 1fr); gap: 3rem; margin-bottom: 2rem; }
.footer-brand p { font-size: 0.875rem; margin-top: 0.75rem; max-width: 260px; }
.footer-col h4 { font-size: 0.75rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-tertiary); margin-bottom: 0.75rem; }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 0.5rem; }
.footer-col a { color: var(--text-secondary); font-size: 0.875rem; text-decoration: none; }
.footer-col a:hover { color: var(--text-primary); text-decoration: none; }
.footer-bottom { border-top: 1px solid var(--border-default); padding-top: 1.5rem; display: flex; justify-content: space-between; font-size: 0.75rem; color: var(--text-tertiary); }
@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; gap: 0.5rem; text-align: center; }
}

/* ---- Page layouts (blog, support, etc) ---- */
.page-header { padding: 4rem 0 2rem; text-align: center; background: var(--bg-alt); }
.page-header h1 { margin-bottom: 0.5rem; }
.page-header p { font-size: 1.125rem; }
.page-content { padding: 3rem 0 5rem; }
.page-content .container { max-width: 800px; }
.page-content h2 { font-size: 1.5rem; margin-top: 2.5rem; margin-bottom: 1rem; }
.page-content h3 { font-size: 1.1875rem; margin-top: 2rem; margin-bottom: 0.75rem; }
.page-content p { margin-bottom: 1rem; }
.page-content ul, .page-content ol { margin-bottom: 1rem; padding-left: 1.5rem; color: var(--text-secondary); }
.page-content li { margin-bottom: 0.5rem; line-height: 1.7; }
.page-content a { text-decoration: underline; text-underline-offset: 2px; }

/* FAQ */
.faq-item { border: 1px solid var(--border-default); border-radius: var(--radius-md); margin-bottom: 0.75rem; overflow: hidden; }
.faq-question { width: 100%; display: flex; align-items: center; justify-content: space-between; padding: 1rem 1.25rem; background: var(--bg-surface); border: none; cursor: pointer; font-family: var(--font-sans); font-size: 0.9375rem; font-weight: 600; color: var(--text-primary); text-align: left; }
.faq-question:hover { background: var(--bg-alt); }
.faq-question .icon-chevron { width: 18px; height: 18px; color: var(--text-tertiary); transition: transform 0.2s ease; flex-shrink: 0; }
.faq-item.open .faq-question .icon-chevron { transform: rotate(180deg); }
.faq-answer { display: none; padding: 0 1.25rem 1rem; background: var(--bg-surface); }
.faq-item.open .faq-answer { display: block; }
.faq-answer p { font-size: 0.9375rem; }
.contact-box { background: var(--bg-alt); border-radius: var(--radius-lg); padding: 2rem; text-align: center; margin-top: 3rem; }
.contact-box h3 { margin-top: 0; margin-bottom: 0.5rem; }

/* Blog */
.blog-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1.5rem; }
.blog-card { background: var(--bg-surface); border-radius: var(--radius-lg); overflow: hidden; text-decoration: none; color: inherit; display: block; box-shadow: var(--shadow-card); transition: transform 0.2s ease, box-shadow 0.2s ease; }
.blog-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); color: inherit; text-decoration: none; }
.blog-card-thumb { height: 180px; background: var(--bg-alt); display: flex; align-items: center; justify-content: center; color: var(--text-tertiary); font-size: 0.875rem; overflow: hidden; }
.blog-card-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.3s ease; }
.blog-card:hover .blog-card-thumb img { transform: scale(1.04); }
.blog-card-body { padding: 1.25rem; }
.blog-card-date { font-size: 0.75rem; color: var(--text-tertiary); margin-bottom: 0.375rem; }
.blog-card-body h3 { font-size: 1.0625rem; margin-bottom: 0.375rem; color: var(--text-primary); letter-spacing: -0.02em; }
.blog-card-body p { font-size: 0.875rem; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.blog-card-read-more { display: inline-block; margin-top: 0.5rem; font-size: 0.8125rem; font-weight: 500; color: var(--color-primary); }

/* Animations */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
.animate-in { opacity: 0; animation: fadeInUp 0.5s ease forwards; }
.animate-in:nth-child(2) { animation-delay: 0.08s; }
.animate-in:nth-child(3) { animation-delay: 0.16s; }
.animate-in:nth-child(4) { animation-delay: 0.24s; }

@media print { .nav, .footer, .btn { display: none; } body { color: #000; background: #fff; } }