/* ===================================================
   QR Code Hub — Main Stylesheet
   Premium SaaS Landing Page
   =================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Poppins:wght@400;500;600;700;800;900&display=swap');

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

:root {
  --blue:        #1d6feb;
  --blue-dark:   #1558cc;
  --blue-light:  #e8f1ff;
  --green:       #16c784;
  --green-dark:  #0fa86d;
  --green-light: #e6faf4;
  --text:        #0f172a;
  --text-2:      #475569;
  --text-3:      #94a3b8;
  --border:      #e2e8f0;
  --white:       #ffffff;
  --bg-soft:     #f8faff;
  --shadow-sm:   0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md:   0 4px 16px rgba(0,0,0,.08), 0 2px 6px rgba(0,0,0,.04);
  --shadow-lg:   0 20px 60px rgba(0,0,0,.1), 0 8px 24px rgba(0,0,0,.06);
  --shadow-xl:   0 32px 80px rgba(0,0,0,.14);
  --radius-sm:   8px;
  --radius:      16px;
  --radius-lg:   24px;
  --radius-xl:   32px;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'Inter', sans-serif;
  background: #fff;
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ── Typography ── */
h1, h2, h3, h4, h5 { font-family: 'Poppins', sans-serif; line-height: 1.25; }
.section-tag {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.78rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  padding: 6px 16px; border-radius: 99px;
  background: var(--blue-light); color: var(--blue);
  margin-bottom: 16px;
}
.section-tag.green { background: var(--green-light); color: var(--green-dark); }
.section-title { font-size: clamp(1.8rem, 3vw, 2.75rem); font-weight: 800; color: var(--text); margin-bottom: 14px; }
.section-sub   { font-size: 1.05rem; color: var(--text-2); max-width: 600px; line-height: 1.75; }
.text-center   { text-align: center; }
.mx-auto       { margin-left: auto; margin-right: auto; }
.gradient-text {
  background: linear-gradient(135deg, var(--blue) 0%, var(--green) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

/* ── Layout ── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
section { padding: 90px 0; }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: 'Inter', sans-serif; font-weight: 600; font-size: 0.95rem;
  padding: 14px 28px; border-radius: var(--radius-sm); border: none;
  cursor: pointer; transition: all .25s ease; white-space: nowrap;
  text-decoration: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--blue), #3b82f6);
  color: #fff; box-shadow: 0 4px 18px rgba(29,111,235,.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(29,111,235,.5); }
.btn-green {
  background: linear-gradient(135deg, var(--green), #22c55e);
  color: #fff; box-shadow: 0 4px 18px rgba(22,199,132,.35);
}
.btn-green:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(22,199,132,.5); }
.btn-outline {
  background: transparent; color: var(--blue);
  border: 2px solid var(--blue); padding: 12px 26px;
}
.btn-outline:hover { background: var(--blue); color: #fff; }
.btn-lg { padding: 17px 36px; font-size: 1.05rem; border-radius: 12px; }

/* ── Navbar ── */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(255,255,255,.92); backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(226,232,240,.8);
  transition: box-shadow .3s;
}
.navbar.scrolled { box-shadow: var(--shadow-md); }
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 70px;
}
.nav-logo {
  display: flex; align-items: center; gap: 10px;
  font-family: 'Poppins', sans-serif; font-weight: 800; font-size: 1.3rem; color: var(--text);
}
.nav-logo-icon {
  width: 38px; height: 38px; border-radius: 10px;
  background: linear-gradient(135deg, var(--blue), var(--green));
  display: flex; align-items: center; justify-content: center; color: #fff; font-size: 1.1rem;
}
.nav-links { display: flex; align-items: center; gap: 8px; }
.nav-links a {
  font-weight: 500; font-size: 0.9rem; color: var(--text-2);
  padding: 8px 14px; border-radius: 8px; transition: all .2s;
}
.nav-links a:hover { color: var(--blue); background: var(--blue-light); }
.nav-cta { display: flex; align-items: center; gap: 10px; }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 6px; }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: .3s; }

/* ── Hero ── */
.hero {
  padding-top: 140px; padding-bottom: 80px; position: relative; overflow: hidden;
  background: linear-gradient(160deg, #f8faff 0%, #eef4ff 50%, #f0fdf7 100%);
}
.hero::before {
  content: ''; position: absolute; top: -200px; right: -200px;
  width: 700px; height: 700px; border-radius: 50%;
  background: radial-gradient(circle, rgba(29,111,235,.08) 0%, transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: ''; position: absolute; bottom: -150px; left: -150px;
  width: 500px; height: 500px; border-radius: 50%;
  background: radial-gradient(circle, rgba(22,199,132,.07) 0%, transparent 70%);
  pointer-events: none;
}
.hero-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: linear-gradient(135deg, #e8f1ff, #e6faf4);
  border: 1px solid rgba(29,111,235,.15); border-radius: 99px;
  padding: 8px 18px; font-size: 0.82rem; font-weight: 600; color: var(--blue);
  margin-bottom: 24px;
}
.hero-badge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); animation: pulse 2s infinite; }
.hero h1 {
  font-size: clamp(2.2rem, 4vw, 3.5rem); font-weight: 900; line-height: 1.15; margin-bottom: 20px;
}
.hero-sub {
  font-size: 1.1rem; color: var(--text-2); line-height: 1.8;
  margin-bottom: 36px; max-width: 540px;
}
.hero-buttons { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 40px; }
.hero-stats { display: flex; gap: 32px; flex-wrap: wrap; }
.stat-item { }
.stat-num { font-family: 'Poppins', sans-serif; font-size: 1.6rem; font-weight: 800; color: var(--text); }
.stat-label { font-size: 0.78rem; color: var(--text-3); margin-top: 2px; }

/* Hero visual */
.hero-visual { position: relative; }
.hero-img-wrap {
  border-radius: var(--radius-xl); overflow: hidden;
  box-shadow: var(--shadow-xl); position: relative;
}
.hero-img-wrap img { width: 100%; height: 460px; object-fit: cover; }
.hero-float-card {
  position: absolute; background: #fff; border-radius: var(--radius);
  box-shadow: var(--shadow-lg); padding: 14px 18px;
  display: flex; align-items: center; gap: 12px;
  animation: float 3s ease-in-out infinite;
}
.hero-float-card.card-1 { bottom: 30px; left: -30px; }
.hero-float-card.card-2 { top: 30px; right: -20px; animation-delay: 1.5s; }
.float-icon {
  width: 40px; height: 40px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; flex-shrink: 0;
}
.float-icon.blue { background: var(--blue-light); color: var(--blue); }
.float-icon.green { background: var(--green-light); color: var(--green-dark); }
.float-text .label { font-size: 0.72rem; color: var(--text-3); }
.float-text .value { font-weight: 700; font-size: 0.92rem; color: var(--text); }

/* ── Trust Bar ── */
.trust-bar { background: var(--bg-soft); padding: 28px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.trust-bar-inner { display: flex; align-items: center; justify-content: center; gap: 40px; flex-wrap: wrap; }
.trust-item { display: flex; align-items: center; gap: 10px; font-size: 0.9rem; font-weight: 600; color: var(--text-2); }
.trust-icon { font-size: 1.2rem; }

/* ── Features ── */
.features { background: #fff; }
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 56px; }
.feature-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px; transition: all .3s ease; position: relative; overflow: hidden;
}
.feature-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--blue), var(--green)); opacity: 0;
  transition: opacity .3s;
}
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.feature-card:hover::before { opacity: 1; }
.feat-icon {
  width: 52px; height: 52px; border-radius: 14px;
  background: var(--blue-light); color: var(--blue);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; margin-bottom: 18px; transition: all .3s;
}
.feature-card:hover .feat-icon { background: var(--blue); color: #fff; transform: scale(1.1); }
.feature-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
.feature-card p { font-size: 0.9rem; color: var(--text-2); line-height: 1.7; }

/* ── Benefits ── */
.benefits { background: var(--bg-soft); }
.benefits-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; margin-top: 56px; }
.benefits-img { border-radius: var(--radius-xl); overflow: hidden; box-shadow: var(--shadow-xl); }
.benefits-img img { width: 100%; height: 500px; object-fit: cover; }
.benefits-list { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.benefit-item {
  display: flex; align-items: flex-start; gap: 12px;
  background: #fff; border-radius: var(--radius-sm); padding: 14px;
  box-shadow: var(--shadow-sm); border: 1px solid var(--border);
  transition: all .25s;
}
.benefit-item:hover { border-color: var(--green); box-shadow: var(--shadow-md); }
.benefit-check {
  width: 28px; height: 28px; border-radius: 50%; background: var(--green-light);
  color: var(--green-dark); display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem; flex-shrink: 0; font-weight: 700;
}
.benefit-text .name { font-weight: 600; font-size: 0.88rem; }
.benefit-text .desc { font-size: 0.78rem; color: var(--text-3); }

/* ── How It Works ── */
.how { background: #fff; }
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; margin-top: 56px; position: relative; }
.steps-grid::before {
  content: ''; position: absolute; top: 40px; left: 10%; right: 10%; height: 2px;
  background: linear-gradient(90deg, var(--blue), var(--green));
  z-index: 0;
}
.step-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 36px 28px; text-align: center; position: relative; z-index: 1;
  transition: all .3s;
}
.step-card:hover { box-shadow: var(--shadow-lg); border-color: var(--blue); transform: translateY(-4px); }
.step-num {
  width: 60px; height: 60px; border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--green));
  color: #fff; font-family: 'Poppins', sans-serif; font-weight: 900; font-size: 1.4rem;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 20px; box-shadow: 0 6px 20px rgba(29,111,235,.3);
}
.step-icon { font-size: 2.5rem; margin-bottom: 16px; }
.step-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 10px; }
.step-card p { font-size: 0.9rem; color: var(--text-2); }

/* ── Pricing ── */
.pricing { background: var(--bg-soft); }
.pricing-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; margin-top: 56px; max-width: 820px; margin-left: auto; margin-right: auto; }
.price-card {
  background: #fff; border-radius: var(--radius-lg); border: 1px solid var(--border);
  padding: 36px; position: relative; transition: all .3s;
}
.price-card.popular {
  border-color: var(--blue); box-shadow: 0 0 0 3px rgba(29,111,235,.12);
  background: linear-gradient(160deg, #fff 0%, #f0f6ff 100%);
}
.popular-badge {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: linear-gradient(135deg, var(--blue), var(--green));
  color: #fff; font-size: 0.75rem; font-weight: 700; letter-spacing: .05em;
  padding: 5px 18px; border-radius: 99px; white-space: nowrap;
}
.price-icon { font-size: 2.2rem; margin-bottom: 14px; }
.price-name { font-family: 'Poppins', sans-serif; font-weight: 700; font-size: 1.2rem; margin-bottom: 6px; }
.price-desc { font-size: 0.88rem; color: var(--text-2); margin-bottom: 20px; }
.price-amount { display: flex; align-items: baseline; gap: 4px; margin-bottom: 24px; }
.price-currency { font-size: 1.4rem; font-weight: 700; color: var(--blue); }
.price-num { font-family: 'Poppins', sans-serif; font-size: 3rem; font-weight: 900; color: var(--text); line-height: 1; }
.price-unit { font-size: 0.9rem; color: var(--text-3); }
.price-features { margin-bottom: 28px; }
.price-feat { display: flex; align-items: center; gap: 10px; font-size: 0.9rem; padding: 7px 0; border-bottom: 1px solid var(--border); }
.price-feat:last-child { border-bottom: none; }
.price-feat .check { color: var(--green); font-weight: 700; }
.bulk-tiers { display: grid; gap: 12px; margin-bottom: 24px; }
.bulk-tier {
  display: flex; align-items: center; justify-content: space-between;
  background: var(--bg-soft); border-radius: var(--radius-sm);
  padding: 12px 16px; border: 1px solid var(--border);
}
.tier-label { font-weight: 600; font-size: 0.9rem; }
.tier-price { font-family: 'Poppins', sans-serif; font-weight: 800; font-size: 1.05rem; color: var(--blue); }
.tier-save { font-size: 0.72rem; color: var(--green-dark); font-weight: 600; background: var(--green-light); padding: 2px 8px; border-radius: 99px; }

/* ── Use Cases ── */
.usecases { background: #fff; }
.usecases-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 56px; }
.usecase-card {
  border-radius: var(--radius); overflow: hidden;
  position: relative; cursor: pointer;
  box-shadow: var(--shadow-sm); transition: all .3s;
}
.usecase-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.usecase-card img { width: 100%; height: 200px; object-fit: cover; transition: transform .4s; }
.usecase-card:hover img { transform: scale(1.07); }
.usecase-overlay {
  position: absolute; bottom: 0; left: 0; right: 0;
  background: linear-gradient(to top, rgba(15,23,42,.85) 0%, transparent 100%);
  padding: 28px 14px 14px;
  color: #fff;
}
.usecase-label { font-weight: 700; font-size: 0.9rem; }

/* ── Testimonials ── */
.testimonials { background: var(--bg-soft); }
.testi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 56px; }
.testi-card {
  background: #fff; border-radius: var(--radius-lg); border: 1px solid var(--border);
  padding: 28px; transition: all .3s;
  box-shadow: var(--shadow-sm);
}
.testi-card:hover { box-shadow: var(--shadow-lg); border-color: var(--blue); transform: translateY(-4px); }
.testi-stars { color: #f59e0b; font-size: 1rem; margin-bottom: 14px; letter-spacing: 3px; }
.testi-text { font-size: 0.95rem; color: var(--text-2); line-height: 1.8; margin-bottom: 20px; font-style: italic; }
.testi-author { display: flex; align-items: center; gap: 12px; }
.testi-avatar { width: 48px; height: 48px; border-radius: 50%; object-fit: cover; border: 2px solid var(--blue-light); }
.testi-name { font-weight: 700; font-size: 0.92rem; }
.testi-role { font-size: 0.78rem; color: var(--text-3); }

/* ── FAQ ── */
.faq { background: #fff; }
.faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; margin-top: 56px; align-items: start; }
.faq-img { border-radius: var(--radius-xl); overflow: hidden; box-shadow: var(--shadow-lg); }
.faq-img img { width: 100%; height: 420px; object-fit: cover; }
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--bg-soft); border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; transition: all .3s;
}
.faq-item.open { border-color: var(--blue); background: #fff; box-shadow: var(--shadow-md); }
.faq-question {
  display: flex; justify-content: space-between; align-items: center;
  padding: 18px 20px; cursor: pointer; font-weight: 600; font-size: 0.95rem;
}
.faq-toggle { font-size: 1.2rem; color: var(--blue); transition: transform .3s; font-weight: 300; }
.faq-item.open .faq-toggle { transform: rotate(45deg); }
.faq-answer { padding: 0 20px; max-height: 0; overflow: hidden; transition: all .35s ease; }
.faq-item.open .faq-answer { max-height: 200px; padding: 0 20px 18px; }
.faq-answer p { color: var(--text-2); font-size: 0.9rem; line-height: 1.75; }

/* ── CTA ── */
.cta {
  background: linear-gradient(135deg, var(--blue) 0%, #3b82f6 40%, var(--green) 100%);
  padding: 90px 0; text-align: center; position: relative; overflow: hidden;
}
.cta::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.cta-content { position: relative; z-index: 1; }
.cta h2 { font-size: clamp(2rem, 3.5vw, 3rem); font-weight: 900; color: #fff; margin-bottom: 16px; }
.cta p { font-size: 1.1rem; color: rgba(255,255,255,.85); margin-bottom: 40px; }
.cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn-white { background: #fff; color: var(--blue); font-weight: 700; box-shadow: 0 4px 16px rgba(0,0,0,.15); }
.btn-white:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(0,0,0,.25); }
.btn-ghost { background: rgba(255,255,255,.15); color: #fff; border: 2px solid rgba(255,255,255,.5); }
.btn-ghost:hover { background: rgba(255,255,255,.25); }

/* ── Footer ── */
.footer { background: var(--text); color: rgba(255,255,255,.8); padding: 60px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-brand .logo { display: flex; align-items: center; gap: 10px; color: #fff; font-family: 'Poppins', sans-serif; font-weight: 800; font-size: 1.2rem; margin-bottom: 14px; }
.footer-brand p { font-size: 0.88rem; line-height: 1.75; color: rgba(255,255,255,.6); margin-bottom: 20px; }
.footer-socials { display: flex; gap: 10px; }
.social-btn {
  width: 36px; height: 36px; border-radius: 8px; background: rgba(255,255,255,.1);
  display: flex; align-items: center; justify-content: center; font-size: 0.9rem;
  color: rgba(255,255,255,.8); transition: all .2s; text-decoration: none;
}
.social-btn:hover { background: var(--blue); color: #fff; transform: translateY(-2px); }
.footer-col h4 { font-weight: 700; font-size: 0.88rem; color: #fff; text-transform: uppercase; letter-spacing: .06em; margin-bottom: 16px; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col li a { font-size: 0.88rem; color: rgba(255,255,255,.6); transition: color .2s; }
.footer-col li a:hover { color: var(--blue); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding-top: 24px; display: flex; justify-content: space-between; align-items: center; flex-wrap: gap; font-size: 0.82rem; color: rgba(255,255,255,.45); }

/* ── Animations ── */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-10px); }
}
@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50%       { transform: scale(1.4); opacity: .6; }
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes slideIn {
  from { opacity: 0; transform: translateX(-30px); }
  to   { opacity: 1; transform: translateX(0); }
}
.reveal { opacity: 0; transform: translateY(30px); transition: all .65s cubic-bezier(.16,1,.3,1); }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-soft); }
::-webkit-scrollbar-thumb { background: var(--blue); border-radius: 3px; }

/* ── Responsive ── */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .usecases-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid   { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  section { padding: 64px 0; }
  .hero { padding-top: 110px; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { order: -1; }
  .hero-img-wrap img { height: 300px; }
  .hero-float-card.card-1 { display: none; }
  .hero-float-card.card-2 { top: 12px; right: 12px; }
  .benefits-grid { grid-template-columns: 1fr; gap: 36px; }
  .steps-grid { grid-template-columns: 1fr; }
  .steps-grid::before { display: none; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 440px; }
  .usecases-grid { grid-template-columns: repeat(2, 1fr); }
  .testi-grid { grid-template-columns: 1fr; }
  .faq-grid { grid-template-columns: 1fr; }
  .faq-img { display: none; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 10px; text-align: center; }
  .nav-links { display: none; position: fixed; top: 70px; left: 0; right: 0; background: #fff; flex-direction: column; align-items: stretch; padding: 20px; box-shadow: var(--shadow-lg); border-top: 1px solid var(--border); gap: 4px; }
  .nav-links.open { display: flex; }
  .nav-cta .btn-outline { display: none; }
  .hamburger { display: flex; }
}
@media (max-width: 480px) {
  .features-grid { grid-template-columns: 1fr; }
  .usecases-grid { grid-template-columns: 1fr; }
  .benefits-list { grid-template-columns: 1fr; }
  .hero-buttons { flex-direction: column; }
  .hero-stats { gap: 20px; }
}