/* ============================================
   HopXL — Design System
   Clean Scientific / Data-Forward
   ============================================ */

:root {
  --white: #FFFFFF;
  --off-white: #F8F7F4;
  --cream: #F2F0EB;
  --light-gray: #E8E6E1;
  --mid-gray: #9B9890;
  --dark-gray: #4A4840;
  --charcoal: #2A2825;
  --black: #1A1816;
  --hop-green: #4A7C3F;
  --hop-green-light: #5D9A4E;
  --hop-green-pale: #E8F0E5;
  --hop-green-dark: #3A6232;
  --gold: #C4982A;
  --gold-light: #D4A83A;
  --gold-pale: #FBF6EB;
  --data-blue: #3B6B8A;
  --error-red: #C44A4A;
  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
  --section-pad: clamp(60px, 8vw, 120px);
  --content-max: 1140px;
  --content-narrow: 760px;
  --radius: 10px;
  --radius-lg: 16px;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font-body); color: var(--charcoal); background: var(--white); line-height: 1.7; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.container { max-width: var(--content-max); margin: 0 auto; padding: 0 clamp(20px, 4vw, 40px); }

/* ============================================
   PHOTO ZONES — Replace with your images
   ============================================ */

.photo-zone {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
}

.photo-zone img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* These placeholders are visible until you add real images.
   To replace: delete the .photo-placeholder div and add an <img> tag instead. */

.photo-placeholder {
  background: linear-gradient(135deg, var(--cream) 0%, var(--light-gray) 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px 24px;
  min-height: 300px;
}

.photo-placeholder--small {
  min-height: 200px;
  padding: 24px 16px;
}

.photo-placeholder-icon {
  font-size: 2.4rem;
  margin-bottom: 12px;
  opacity: 0.5;
}

.photo-placeholder-label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2.5px;
  color: var(--mid-gray);
  margin-bottom: 8px;
}

.photo-placeholder-suggest {
  font-size: 0.78rem;
  color: var(--mid-gray);
  max-width: 280px;
  line-height: 1.5;
  font-style: italic;
}

.photo-zone--hero { border-radius: var(--radius-lg); min-height: 400px; }
.photo-zone--wide { border-radius: var(--radius-lg); }
.photo-zone--portrait { border-radius: var(--radius-lg); min-height: 500px; }
.photo-zone--fullwidth { border-radius: 0; min-height: 400px; }
.photo-zone--card { border-radius: var(--radius) var(--radius) 0 0; min-height: 200px; }
.photo-zone--case { border-radius: var(--radius-lg); min-height: 100%; }
.photo-zone--cta { border-radius: var(--radius-lg); min-height: 300px; }
.photo-zone--band { border-radius: 0; }

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

.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: all 0.3s ease;
}

.nav.scrolled { border-bottom-color: var(--light-gray); box-shadow: 0 1px 12px rgba(0,0,0,0.04); }

.nav-inner {
  max-width: var(--content-max); margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 40px);
  display: flex; align-items: center; justify-content: space-between; height: 72px;
}

.nav-logo { font-family: var(--font-display); font-size: 1.5rem; font-weight: 700; color: var(--black); letter-spacing: -0.5px; }
.nav-logo span { color: var(--hop-green); }

.nav-links { display: flex; align-items: center; gap: 32px; list-style: none; }
.nav-links a { font-size: 0.85rem; font-weight: 500; color: var(--dark-gray); letter-spacing: 0.3px; transition: color 0.2s; position: relative; }
.nav-links a:hover { color: var(--hop-green); }
.nav-links a::after { content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 2px; background: var(--hop-green); transition: width 0.3s; }
.nav-links a:hover::after { width: 100%; }

.nav-cta { background: var(--hop-green) !important; color: var(--white) !important; padding: 10px 24px !important; border-radius: 6px; font-weight: 600 !important; transition: all 0.2s !important; }
.nav-cta:hover { background: var(--hop-green-dark) !important; transform: translateY(-1px); }
.nav-cta::after { display: none !important; }

.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--charcoal); margin: 5px 0; transition: all 0.3s; }

.nav-links.show { display: flex !important; }

/* ============================================
   Buttons
   ============================================ */

.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--hop-green); color: var(--white);
  padding: 14px 32px; border-radius: 6px;
  font-family: var(--font-body); font-size: 0.9rem; font-weight: 600;
  border: none; cursor: pointer; transition: all 0.2s;
}
.btn-primary:hover { background: var(--hop-green-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(74,124,63,0.25); }

.btn-secondary {
  display: inline-flex; align-items: center; gap: 8px;
  background: transparent; color: var(--charcoal);
  padding: 14px 32px; border-radius: 6px;
  font-family: var(--font-body); font-size: 0.9rem; font-weight: 600;
  border: 1.5px solid var(--light-gray); cursor: pointer; transition: all 0.2s;
}
.btn-secondary:hover { border-color: var(--hop-green); color: var(--hop-green); }

.btn-white {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--white); color: var(--hop-green-dark);
  padding: 16px 36px; border-radius: 6px;
  font-family: var(--font-body); font-size: 0.95rem; font-weight: 700;
  border: none; cursor: pointer; transition: all 0.2s;
}
.btn-white:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.15); }

/* ============================================
   Section Common
   ============================================ */

.section-label {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.75rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: 2.5px; color: var(--hop-green); margin-bottom: 16px;
}
.section-label::before { content: ''; width: 24px; height: 2px; background: var(--hop-green); }

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 700; color: var(--black); line-height: 1.2;
  margin-bottom: 20px; letter-spacing: -0.5px;
}

.section-subtitle {
  font-size: 1.05rem; color: var(--dark-gray); line-height: 1.8;
  margin-bottom: 48px; max-width: 600px;
}

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

.hero {
  padding: calc(72px + var(--section-pad)) 0 var(--section-pad);
  background: var(--white); position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; top: 72px; right: -200px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, var(--hop-green-pale) 0%, transparent 70%);
  opacity: 0.5; pointer-events: none;
}

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

.hero-label { display: inline-flex; align-items: center; gap: 8px; font-size: 0.78rem; font-weight: 600; text-transform: uppercase; letter-spacing: 2px; color: var(--hop-green); margin-bottom: 24px; }
.hero-label::before { content: ''; width: 32px; height: 2px; background: var(--hop-green); }

.hero h1 { font-family: var(--font-display); font-size: clamp(2.2rem, 4vw, 3.4rem); font-weight: 700; line-height: 1.15; color: var(--black); margin-bottom: 24px; letter-spacing: -1px; }
.hero h1 em { font-style: italic; color: var(--hop-green); }

.hero-body { font-size: 1.05rem; color: var(--dark-gray); line-height: 1.8; margin-bottom: 36px; max-width: 520px; }
.hero-actions { display: flex; gap: 16px; align-items: center; }

.hero-data-overlay {
  position: absolute; bottom: 20px; left: 20px; right: 20px;
  background: rgba(255,255,255,0.95); backdrop-filter: blur(10px);
  border-radius: 8px; padding: 20px;
}

.data-comparison { display: grid; grid-template-columns: 1fr auto 1fr; gap: 16px; align-items: center; }
.data-item { text-align: center; }
.data-number { font-family: var(--font-display); font-size: 2.8rem; font-weight: 800; line-height: 1; margin-bottom: 4px; }
.data-number.green { color: var(--hop-green); }
.data-number.muted { color: var(--mid-gray); }
.data-label { font-size: 0.72rem; font-weight: 500; color: var(--mid-gray); text-transform: uppercase; letter-spacing: 1px; }
.data-vs { font-family: var(--font-display); font-size: 0.8rem; font-weight: 600; color: var(--mid-gray); text-transform: uppercase; letter-spacing: 2px; }

/* ============================================
   Proof Bar
   ============================================ */

.proof-bar { background: var(--black); padding: 32px 0; }
.proof-bar-inner { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; text-align: center; }
.proof-item-number { font-family: var(--font-display); font-size: 1.6rem; font-weight: 700; color: var(--hop-green-light); margin-bottom: 4px; }
.proof-item-text { font-size: 0.72rem; color: rgba(255,255,255,0.45); text-transform: uppercase; letter-spacing: 1.5px; font-weight: 500; }

/* ============================================
   Photo Band
   ============================================ */

.photo-band { overflow: hidden; }
.photo-band-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
.photo-band-grid .photo-zone { border-radius: 0; }
.photo-band-grid .photo-placeholder { min-height: 200px; }

/* ============================================
   Problem
   ============================================ */

.problem { padding: var(--section-pad) 0; background: var(--off-white); }
.problem-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

.problem-card {
  background: var(--white); border: 1px solid var(--light-gray);
  border-radius: var(--radius); padding: 32px; transition: all 0.3s;
}
.problem-card:hover { border-color: var(--hop-green); box-shadow: 0 4px 20px rgba(0,0,0,0.06); transform: translateY(-4px); }

.problem-icon { width: 48px; height: 48px; background: var(--hop-green-pale); border-radius: 10px; display: flex; align-items: center; justify-content: center; margin-bottom: 20px; font-size: 1.4rem; }
.problem-card h3 { font-family: var(--font-display); font-size: 1.1rem; font-weight: 700; color: var(--black); margin-bottom: 12px; line-height: 1.3; }
.problem-card p { font-size: 0.88rem; color: var(--dark-gray); line-height: 1.7; }
.problem-stat { font-family: var(--font-display); font-weight: 700; color: var(--hop-green); font-size: 1.6rem; display: block; margin-top: 16px; }

/* ============================================
   Solution
   ============================================ */

.solution { padding: var(--section-pad) 0; background: var(--white); }
.solution-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }
.solution-features { display: flex; flex-direction: column; gap: 28px; margin-top: 32px; }

.feature { display: grid; grid-template-columns: 52px 1fr; gap: 16px; align-items: start; }
.feature-icon { width: 52px; height: 52px; background: var(--hop-green-pale); border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 1.2rem; flex-shrink: 0; }
.feature h4 { font-family: var(--font-display); font-size: 0.95rem; font-weight: 700; color: var(--black); margin-bottom: 4px; }
.feature p { font-size: 0.85rem; color: var(--dark-gray); line-height: 1.65; }

/* ============================================
   Oil vs Water-Soluble
   ============================================ */

.oil-vs-water { padding: var(--section-pad) 0; background: var(--off-white); }
.ovw-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }

.ovw-test {
  background: var(--gold-pale); border: 1px solid rgba(196,152,42,0.2);
  border-radius: var(--radius); padding: 24px; margin-top: 32px;
}
.ovw-test h4 { font-family: var(--font-display); font-size: 1rem; font-weight: 700; color: var(--gold); margin-bottom: 8px; }
.ovw-test p { font-size: 0.88rem; color: var(--dark-gray); line-height: 1.65; }

.ovw-comparison { display: flex; flex-direction: column; gap: 16px; }

.ovw-card {
  border-radius: var(--radius); padding: 28px;
}
.ovw-card h4 { font-family: var(--font-display); font-size: 1rem; font-weight: 700; margin-bottom: 16px; }
.ovw-card ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.ovw-card li { font-size: 0.85rem; padding-left: 20px; position: relative; line-height: 1.5; }
.ovw-card li::before { content: ''; position: absolute; left: 0; top: 7px; width: 8px; height: 8px; border-radius: 50%; }

.ovw-card--oil { background: var(--cream); border: 1px solid var(--light-gray); }
.ovw-card--oil h4 { color: var(--mid-gray); }
.ovw-card--oil li { color: var(--dark-gray); }
.ovw-card--oil li::before { background: var(--mid-gray); opacity: 0.3; }

.ovw-card--hopxl { background: var(--hop-green-pale); border: 1px solid rgba(74,124,63,0.2); }
.ovw-card--hopxl h4 { color: var(--hop-green-dark); }
.ovw-card--hopxl li { color: var(--hop-green-dark); font-weight: 500; }
.ovw-card--hopxl li::before { background: var(--hop-green); }

/* ============================================
   Comparison Table
   ============================================ */

.comparison { padding: var(--section-pad) 0; background: var(--white); }

.table-wrapper { overflow-x: auto; margin-top: 40px; border-radius: var(--radius-lg); border: 1px solid var(--light-gray); }

.comparison-table { width: 100%; border-collapse: collapse; background: var(--white); min-width: 700px; }
.comparison-table thead { background: var(--black); }
.comparison-table th { padding: 18px 20px; font-size: 0.75rem; font-weight: 600; text-transform: uppercase; letter-spacing: 1.5px; color: rgba(255,255,255,0.6); text-align: left; }
.comparison-table th:first-child { color: rgba(255,255,255,0.35); }
.comparison-table th.highlight { color: var(--hop-green-light); background: rgba(74,124,63,0.15); }
.comparison-table td { padding: 14px 20px; font-size: 0.88rem; color: var(--dark-gray); border-bottom: 1px solid var(--light-gray); }
.comparison-table td:first-child { font-weight: 600; color: var(--charcoal); font-size: 0.82rem; }
.comparison-table td.highlight { background: var(--hop-green-pale); color: var(--hop-green-dark); font-weight: 600; }
.comparison-table tbody tr:last-child td { border-bottom: none; }
.comparison-table tbody tr:hover td { background: var(--gold-pale); }
.comparison-table tbody tr:hover td.highlight { background: #d9ebd3; }

.table-footnote { font-size: 0.72rem; color: var(--mid-gray); margin-top: 12px; font-style: italic; }

/* ============================================
   Photo Break
   ============================================ */

.photo-break { position: relative; }
.photo-break .photo-zone { border-radius: 0; min-height: 360px; }
.photo-break .photo-placeholder { min-height: 360px; }

.photo-break-overlay {
  position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(26,24,22,0.6);
  display: flex; align-items: center; justify-content: center;
  padding: 40px;
}
.photo-break-overlay blockquote {
  font-family: var(--font-display); font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-style: italic; color: var(--white); text-align: center;
  max-width: 600px; line-height: 1.4;
}

/* ============================================
   Case Study
   ============================================ */

.case-study { padding: var(--section-pad) 0; background: var(--off-white); }

.case-study-card {
  display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 0;
  background: var(--black); border-radius: var(--radius-lg); overflow: hidden;
  margin-top: 40px;
}

.case-study-content { padding: 56px; color: var(--white); }
.case-study-badge { font-size: 0.7rem; font-weight: 600; text-transform: uppercase; letter-spacing: 2.5px; color: var(--hop-green-light); margin-bottom: 20px; display: block; }
.case-study-content p { font-size: 0.95rem; line-height: 1.8; color: rgba(255,255,255,0.7); margin-bottom: 16px; }

.case-study-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 32px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.1); }
.cs-stat-number { font-family: var(--font-display); font-size: 2rem; font-weight: 800; color: var(--hop-green-light); }
.cs-stat-label { font-size: 0.7rem; color: rgba(255,255,255,0.4); text-transform: uppercase; letter-spacing: 1px; margin-top: 4px; }

.case-study-image { position: relative; overflow: hidden; }
.case-study-image .photo-zone { border-radius: 0; height: 100%; }
.case-study-image .photo-placeholder { height: 100%; min-height: 400px; border-radius: 0; }

/* ============================================
   Beyond Beer
   ============================================ */

.beyond-beer { padding: var(--section-pad) 0; background: var(--white); }
.beyond-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 48px; }

.beyond-card {
  background: var(--off-white); border: 1px solid var(--light-gray);
  border-radius: var(--radius-lg); overflow: hidden; transition: all 0.3s;
}
.beyond-card:hover { border-color: var(--hop-green); transform: translateY(-4px); box-shadow: 0 8px 24px rgba(0,0,0,0.06); }
.beyond-card .photo-zone { border-radius: 0; }
.beyond-card h4 { font-family: var(--font-display); font-size: 1.1rem; font-weight: 700; color: var(--black); padding: 20px 24px 8px; }
.beyond-card p { font-size: 0.85rem; color: var(--dark-gray); line-height: 1.65; padding: 0 24px 24px; }

/* ============================================
   How It Works
   ============================================ */

.how-it-works { padding: var(--section-pad) 0; background: var(--off-white); }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; margin-top: 48px; }

.step { text-align: center; position: relative; }
.step::after { content: '→'; position: absolute; top: 16px; right: -20px; font-size: 1.2rem; color: var(--light-gray); }
.step:last-child::after { display: none; }

.step-number { font-family: var(--font-display); font-size: 2.4rem; font-weight: 800; color: var(--hop-green-pale); margin-bottom: 16px; line-height: 1; }
.step h4 { font-family: var(--font-display); font-size: 1rem; font-weight: 700; color: var(--black); margin-bottom: 8px; }
.step p { font-size: 0.82rem; color: var(--dark-gray); line-height: 1.65; }

/* ============================================
   Testimonials
   ============================================ */

.testimonials { padding: var(--section-pad) 0; background: var(--white); }
.testimonials-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin-top: 48px; }

.testimonial-card { background: var(--off-white); border: 1px solid var(--light-gray); border-radius: var(--radius-lg); padding: 32px; }
.testimonial-text { font-family: var(--font-display); font-size: 1rem; font-style: italic; color: var(--charcoal); line-height: 1.6; margin-bottom: 24px; }

.testimonial-footer { display: flex; align-items: center; gap: 12px; }
.testimonial-avatar { width: 40px; height: 40px; border-radius: 50%; background: var(--hop-green-pale); color: var(--hop-green-dark); display: flex; align-items: center; justify-content: center; font-size: 0.75rem; font-weight: 700; flex-shrink: 0; }
.testimonial-author { font-size: 0.85rem; font-weight: 600; color: var(--hop-green-dark); }
.testimonial-role { font-size: 0.75rem; color: var(--mid-gray); margin-top: 1px; }

/* ============================================
   CTA Section
   ============================================ */

.cta-section { padding: var(--section-pad) 0; background: var(--hop-green); position: relative; overflow: hidden; }
.cta-section::before { content: ''; position: absolute; top: -100px; right: -100px; width: 400px; height: 400px; border: 1px solid rgba(255,255,255,0.08); border-radius: 50%; }

.cta-grid { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 60px; align-items: center; }
.cta-content { position: relative; z-index: 1; }
.cta-content h2 { font-family: var(--font-display); font-size: clamp(1.8rem, 3vw, 2.6rem); font-weight: 700; color: var(--white); margin-bottom: 16px; letter-spacing: -0.5px; }
.cta-content p { font-size: 1.05rem; color: rgba(255,255,255,0.8); margin-bottom: 32px; line-height: 1.7; }
.cta-actions { display: flex; flex-direction: column; gap: 16px; }
.cta-contact { display: flex; flex-wrap: wrap; gap: 8px 16px; align-items: center; }
.cta-contact span { font-size: 0.82rem; color: rgba(255,255,255,0.5); }
.cta-contact a { font-size: 0.85rem; color: rgba(255,255,255,0.8); transition: color 0.2s; }
.cta-contact a:hover { color: var(--white); }

.cta-image .photo-zone { border-radius: var(--radius-lg); overflow: hidden; }

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

.footer { padding: 60px 0 32px; background: var(--black); color: rgba(255,255,255,0.4); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-brand { font-family: var(--font-display); font-size: 1.4rem; font-weight: 700; color: var(--white); margin-bottom: 12px; }
.footer-brand span { color: var(--hop-green-light); }
.footer-desc { font-size: 0.85rem; line-height: 1.7; max-width: 300px; }
.footer h5 { font-size: 0.72rem; font-weight: 600; text-transform: uppercase; letter-spacing: 2px; color: rgba(255,255,255,0.6); margin-bottom: 16px; }
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 0.88rem; color: rgba(255,255,255,0.4); transition: color 0.2s; }
.footer-links a:hover { color: var(--hop-green-light); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding-top: 24px; display: flex; justify-content: space-between; align-items: center; font-size: 0.78rem; }
.footer-bottom a { color: rgba(255,255,255,0.4); transition: color 0.2s; }
.footer-bottom a:hover { color: var(--hop-green-light); }

/* ============================================
   Animations
   ============================================ */

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
.animate { opacity: 0; animation: fadeInUp 0.6s ease forwards; }
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }

.scroll-animate { opacity: 0; transform: translateY(20px); transition: opacity 0.5s ease, transform 0.5s ease; }
.scroll-animate.visible { opacity: 1; transform: translateY(0); }

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

@media (max-width: 968px) {
  .hero-grid, .solution-grid, .ovw-grid, .cta-grid { grid-template-columns: 1fr; gap: 40px; }
  .problem-grid, .beyond-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .step::after { display: none; }
  .case-study-card { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .proof-bar-inner { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .photo-band-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .nav-links { display: none; position: absolute; top: 72px; left: 0; right: 0; background: var(--white); flex-direction: column; padding: 24px; gap: 16px; border-bottom: 1px solid var(--light-gray); box-shadow: 0 8px 24px rgba(0,0,0,0.08); }
  .nav-links.show { display: flex !important; }
  .nav-toggle { display: block; }
  .nav-cta { text-align: center; width: 100%; justify-content: center; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn-primary, .hero-actions .btn-secondary { justify-content: center; }
  .steps { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .case-study-stats { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .photo-band-grid { grid-template-columns: 1fr 1fr; }
  .data-comparison { grid-template-columns: 1fr auto 1fr; }
  .data-number { font-size: 2.2rem; }
  .cta-content h2 { font-size: 1.6rem; }
}
