/* =============================================
   QUANTRO AI AGENTS — v2 Stylesheet
   Full responsive + Stripe buttons
   ============================================= */

:root {
  --bg-dark: #060b18;
  --bg-card: #0c1428;
  --bg-card-hover: #101c38;
  --border: rgba(99,179,255,0.12);
  --border-bright: rgba(99,179,255,0.3);
  --text: #e8f0ff;
  --text-muted: #7a93bb;
  --cyan: #4aaeff;
  --violet: #7b5df5;
  --purple: #a855f7;
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --radius: 16px;
  --radius-sm: 10px;
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
  --nav-h: 72px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { background: var(--bg-dark); color: var(--text); font-family: var(--font-body); font-size: 16px; line-height: 1.6; overflow-x: hidden; }
img { max-width: 100%; display: block; }

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb { background: var(--violet); border-radius: 3px; }

/* ===== CONTAINER ===== */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ===== UTILS ===== */
.gradient-text {
  background: linear-gradient(135deg, var(--cyan), var(--violet));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.tag {
  display: inline-block;
  background: rgba(74,174,255,0.1);
  border: 1px solid rgba(74,174,255,0.25);
  color: var(--cyan);
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 20px;
}
.section-header { text-align: center; margin-bottom: 56px; }
.section-header h2 { font-family: var(--font-display); font-size: clamp(28px,4.5vw,48px); font-weight: 700; line-height: 1.15; margin-bottom: 14px; }
.section-header p { color: var(--text-muted); font-size: 17px; max-width: 540px; margin: 0 auto; }

/* ===== BUTTONS ===== */
.btn-primary {
  display: inline-flex; align-items: center; gap: 10px;
  background: linear-gradient(135deg, var(--cyan), var(--violet));
  color: #fff; font-family: var(--font-display); font-size: 15px; font-weight: 600;
  padding: 14px 28px; border-radius: 100px; text-decoration: none;
  transition: var(--transition); box-shadow: 0 0 30px rgba(74,174,255,0.3);
  white-space: nowrap;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 0 50px rgba(74,174,255,0.5); }
.btn-primary svg { width: 18px; height: 18px; flex-shrink: 0; transition: transform var(--transition); }
.btn-primary:hover svg { transform: translateX(4px); }
.btn-ghost {
  display: inline-flex; align-items: center;
  color: var(--text); font-family: var(--font-display); font-size: 15px; font-weight: 600;
  padding: 14px 28px; border-radius: 100px; border: 1px solid var(--border-bright);
  text-decoration: none; transition: var(--transition); background: transparent; white-space: nowrap;
}
.btn-ghost:hover { background: rgba(255,255,255,0.05); border-color: var(--cyan); }

/* ===== NAVBAR ===== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  transition: background var(--transition), backdrop-filter var(--transition);
}
.navbar.scrolled {
  background: rgba(6,11,24,0.94);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  height: var(--nav-h);
  display: flex; align-items: center; gap: 32px;
}
.logo { display: flex; align-items: center; gap: 12px; text-decoration: none; flex-shrink: 0; }
.logo-img { width: 34px; height: 34px; }
.logo-text { font-family: var(--font-display); font-size: 17px; font-weight: 800; color: var(--text); letter-spacing: 1px; line-height: 1; }
.logo-text sub { font-size: 9px; letter-spacing: 2px; color: var(--text-muted); display: block; font-weight: 400; margin-top: 2px; }

.nav-links { display: flex; gap: 28px; margin-left: auto; }
.nav-links a { color: var(--text-muted); text-decoration: none; font-size: 14px; font-weight: 500; transition: color var(--transition); white-space: nowrap; }
.nav-links a:hover { color: var(--text); }

.btn-nav {
  background: linear-gradient(135deg, var(--cyan), var(--violet));
  color: #fff; font-family: var(--font-display); font-size: 13px; font-weight: 600;
  padding: 9px 20px; border-radius: 100px; text-decoration: none;
  transition: var(--transition); white-space: nowrap; flex-shrink: 0;
}
.btn-nav:hover { opacity: 0.85; transform: translateY(-1px); }
.desktop-only { display: inline-block; }

/* Burger */
.burger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 6px; margin-left: 12px; flex-shrink: 0; }
.burger span { display: block; width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: var(--transition); }
.burger.open span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* Mobile menu */
.mobile-menu {
  display: none; flex-direction: column;
  padding: 8px 24px 24px;
  background: rgba(6,11,24,0.98);
  border-top: 1px solid var(--border);
  backdrop-filter: blur(20px);
}
.mobile-menu a { color: var(--text-muted); text-decoration: none; padding: 13px 0; font-size: 16px; border-bottom: 1px solid var(--border); transition: color var(--transition); }
.mobile-menu a:hover { color: var(--cyan); }
.mobile-menu a:last-of-type { border-bottom: none; }
.mobile-menu .mobile-cta { display: block; text-align: center; margin-top: 16px; border-radius: 12px; padding: 14px; border-bottom: none; }
.mobile-menu.open { display: flex; }

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 40px;
  padding: calc(var(--nav-h) + 60px) 80px 80px;
  position: relative;
  overflow: hidden;
}
.hero-grid {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(74,174,255,0.04) 1px,transparent 1px), linear-gradient(90deg,rgba(74,174,255,0.04) 1px,transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}
.hero-glow { position: absolute; border-radius: 50%; filter: blur(100px); pointer-events: none; }
.glow-1 { width: 600px; height: 600px; background: radial-gradient(circle,rgba(74,174,255,0.12) 0%,transparent 70%); top: -200px; right: -100px; }
.glow-2 { width: 500px; height: 500px; background: radial-gradient(circle,rgba(123,93,245,0.12) 0%,transparent 70%); bottom: -100px; left: -100px; }
.glow-3 { width: 300px; height: 300px; background: radial-gradient(circle,rgba(168,85,247,0.08) 0%,transparent 70%); top: 50%; left: 30%; }
.particles { position: absolute; inset: 0; pointer-events: none; }
.particle { position: absolute; border-radius: 50%; animation: floatUp linear infinite; }
@keyframes floatUp {
  0% { transform: translateY(100vh) scale(0); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { transform: translateY(-100px) scale(1); opacity: 0; }
}

.hero-content { position: relative; z-index: 1; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(74,174,255,0.08); border: 1px solid rgba(74,174,255,0.2);
  color: var(--cyan); font-size: 13px; font-weight: 500;
  padding: 8px 16px; border-radius: 100px; margin-bottom: 24px;
  animation: fadeInDown 0.6s ease both;
}
.badge-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); animation: pulse 2s ease-in-out infinite; flex-shrink: 0; }
@keyframes pulse { 0%,100%{box-shadow:0 0 0 0 rgba(74,174,255,0.5)}50%{box-shadow:0 0 0 6px rgba(74,174,255,0)} }

.hero-title { font-family: var(--font-display); font-size: clamp(36px,5.5vw,68px); font-weight: 800; line-height: 1.08; margin-bottom: 22px; animation: fadeInDown 0.6s 0.1s ease both; }
.br-desktop { display: inline; }
.hero-sub { font-size: 17px; color: var(--text-muted); max-width: 480px; margin-bottom: 36px; animation: fadeInDown 0.6s 0.2s ease both; line-height: 1.7; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 44px; animation: fadeInDown 0.6s 0.3s ease both; }
.hero-stats { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; animation: fadeInDown 0.6s 0.4s ease both; }
.stat { display: flex; flex-direction: column; }
.stat strong { font-family: var(--font-display); font-size: 22px; font-weight: 700; color: var(--cyan); }
.stat span { font-size: 11px; color: var(--text-muted); }
.stat-divider { width: 1px; height: 36px; background: var(--border); }

/* ===== ORB ===== */
.hero-visual { position: relative; z-index: 1; display: flex; justify-content: center; align-items: center; animation: fadeInUp 0.8s 0.2s ease both; }
.orb-container { position: relative; width: 360px; height: 360px; display: flex; align-items: center; justify-content: center; }
.orb-ring { position: absolute; border-radius: 50%; border: 1px solid; animation: spin linear infinite; }
.ring-1 { width: 360px; height: 360px; border-color: rgba(74,174,255,0.15); animation-duration: 20s; }
.ring-2 { width: 260px; height: 260px; border-color: rgba(123,93,245,0.2); animation-duration: 14s; animation-direction: reverse; }
.ring-3 { width: 170px; height: 170px; border-color: rgba(74,174,255,0.25); animation-duration: 8s; }
@keyframes spin { from{transform:rotate(0deg)}to{transform:rotate(360deg)} }
.orb-core {
  width: 110px; height: 110px; border-radius: 50%;
  background: linear-gradient(135deg,rgba(74,174,255,0.2),rgba(123,93,245,0.2));
  border: 1px solid rgba(74,174,255,0.3);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 0 60px rgba(74,174,255,0.2), inset 0 0 40px rgba(74,174,255,0.1);
}
.orb-logo { width: 64px; height: 64px; object-fit: contain; }
.orbit-dot { position: absolute; width: 10px; height: 10px; border-radius: 50%; }
.dot-1 { background: var(--cyan); box-shadow: 0 0 12px var(--cyan); animation: orbitDot1 20s linear infinite; }
.dot-2 { background: var(--violet); box-shadow: 0 0 12px var(--violet); animation: orbitDot2 14s linear infinite reverse; }
.dot-3 { background: var(--purple); box-shadow: 0 0 12px var(--purple); animation: orbitDot3 8s linear infinite; }
@keyframes orbitDot1 { from{transform:rotate(0deg) translateX(180px)}to{transform:rotate(360deg) translateX(180px)} }
@keyframes orbitDot2 { from{transform:rotate(0deg) translateX(130px)}to{transform:rotate(360deg) translateX(130px)} }
@keyframes orbitDot3 { from{transform:rotate(45deg) translateX(85px)}to{transform:rotate(405deg) translateX(85px)} }

/* ===== TRUST BAR ===== */
.trust-bar {
  border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
  padding: 24px; display: flex; align-items: center; justify-content: center; gap: 32px; flex-wrap: wrap;
}
.trust-label { font-size: 13px; color: var(--text-muted); white-space: nowrap; }
.trust-logos { display: flex; gap: 32px; flex-wrap: wrap; justify-content: center; }
.trust-logos span { font-family: var(--font-display); font-size: 12px; font-weight: 600; color: var(--text-muted); letter-spacing: 1px; opacity: 0.7; transition: opacity var(--transition); }
.trust-logos span:hover { opacity: 1; color: var(--cyan); }

/* ===== FEATURES ===== */
.features { padding: 100px 0; }
.features-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.feature-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px; transition: var(--transition); position: relative; overflow: hidden;
}
.feature-card::before { content:''; position:absolute; inset:0; background:linear-gradient(135deg,rgba(74,174,255,0.04),transparent); opacity:0; transition:opacity var(--transition); }
.feature-card:hover { border-color: var(--border-bright); transform: translateY(-4px); background: var(--bg-card-hover); }
.feature-card:hover::before { opacity: 1; }
.card-large { grid-column: span 2; }
.card-right { grid-column: 2 / span 2; }
.feat-icon { width: 48px; height: 48px; margin-bottom: 18px; }
.feat-icon svg { width: 100%; height: 100%; }
.feature-card h3 { font-family: var(--font-display); font-size: 19px; font-weight: 700; margin-bottom: 10px; }
.feature-card p { color: var(--text-muted); font-size: 14px; line-height: 1.65; }
.feat-tag { display: inline-block; background: linear-gradient(135deg,rgba(74,174,255,0.15),rgba(123,93,245,0.15)); border: 1px solid rgba(74,174,255,0.2); color: var(--cyan); font-size: 12px; font-weight: 600; padding: 4px 12px; border-radius: 100px; margin-top: 14px; }

/* ===== HOW ===== */
.how { padding: 90px 0; background: linear-gradient(180deg,transparent,rgba(123,93,245,0.04) 50%,transparent); }
.steps { display: flex; flex-direction: column; max-width: 680px; margin: 0 auto; }
.step { display: grid; grid-template-columns: 52px 36px 1fr; gap: 0 20px; align-items: start; }
.step-number { font-family: var(--font-display); font-size: 12px; font-weight: 700; color: var(--cyan); letter-spacing: 1px; padding-top: 4px; text-align: right; }
.step-line { display: flex; flex-direction: column; align-items: center; }
.step-line::before { content:''; width:12px; height:12px; border-radius:50%; background:linear-gradient(135deg,var(--cyan),var(--violet)); flex-shrink:0; box-shadow:0 0 20px rgba(74,174,255,0.5); margin-top:4px; }
.step-line::after { content:''; width:1px; flex:1; min-height:50px; background:linear-gradient(180deg,rgba(74,174,255,0.4),rgba(123,93,245,0.1)); margin-top:8px; }
.step-line.last::after { display: none; }
.step-content { padding-bottom: 44px; }
.step-content h3 { font-family: var(--font-display); font-size: 20px; font-weight: 700; margin-bottom: 8px; }
.step-content p { color: var(--text-muted); font-size: 14px; }

/* ===== PRICING ===== */
.pricing { padding: 100px 0; }
.pricing-toggle { display: flex; align-items: center; justify-content: center; gap: 14px; margin-bottom: 52px; font-size: 15px; font-weight: 500; }
.pricing-toggle span { cursor: pointer; color: var(--text-muted); transition: color var(--transition); }
.pricing-toggle span.active { color: var(--text); }
.switch { position: relative; width: 46px; height: 25px; }
.switch input { opacity: 0; width: 0; height: 0; }
.slider { position: absolute; inset: 0; background: rgba(74,174,255,0.2); border: 1px solid rgba(74,174,255,0.3); border-radius: 13px; cursor: pointer; transition: var(--transition); }
.slider::before { content:''; position:absolute; width:17px; height:17px; border-radius:50%; background:var(--cyan); top:3px; left:3px; transition:var(--transition); }
.switch input:checked + .slider::before { transform: translateX(21px); }
.discount { font-size: 11px; background: linear-gradient(135deg,var(--cyan),var(--violet)); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; font-style:normal; font-weight:700; }

.pricing-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; align-items: stretch; }
.plan-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 32px; display: flex; flex-direction: column; transition: var(--transition); position: relative;
}
.plan-card:hover { border-color: var(--border-bright); transform: translateY(-4px); }
.plan-popular { border-color: rgba(74,174,255,0.35); background: linear-gradient(135deg,rgba(74,174,255,0.05),rgba(123,93,245,0.05)); box-shadow: 0 0 50px rgba(74,174,255,0.1); }
.popular-badge { position: absolute; top: -13px; left: 50%; transform: translateX(-50%); background: linear-gradient(135deg,var(--cyan),var(--violet)); color: #fff; font-family: var(--font-display); font-size: 11px; font-weight: 700; padding: 4px 14px; border-radius: 100px; white-space: nowrap; }
.plan-name { font-family: var(--font-display); font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 2px; color: var(--cyan); display: block; margin-bottom: 10px; }
.plan-price { display: flex; align-items: baseline; gap: 4px; margin-bottom: 10px; }
.price-amount { font-family: var(--font-display); font-size: 38px; font-weight: 800; line-height: 1; }
.price-period { color: var(--text-muted); font-size: 13px; }
.plan-desc { color: var(--text-muted); font-size: 13px; margin-bottom: 24px; line-height: 1.55; }
.plan-features { list-style: none; display: flex; flex-direction: column; gap: 11px; margin-bottom: 28px; flex: 1; }
.plan-features li { display: flex; align-items: center; gap: 9px; font-size: 13px; }
.plan-features li svg { width: 17px; height: 17px; flex-shrink: 0; }
.plan-features li.disabled { color: var(--text-muted); opacity: 0.45; }

.btn-plan {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  text-align: center; padding: 13px 16px; border-radius: var(--radius-sm);
  border: 1px solid var(--border-bright); color: var(--text);
  font-family: var(--font-display); font-size: 14px; font-weight: 600;
  text-decoration: none; transition: var(--transition);
}
.btn-plan:hover { background: rgba(255,255,255,0.05); border-color: var(--cyan); }
.btn-plan-primary { background: linear-gradient(135deg,var(--cyan),var(--violet)); border-color: transparent; box-shadow: 0 0 30px rgba(74,174,255,0.3); }
.btn-plan-primary:hover { box-shadow: 0 0 50px rgba(74,174,255,0.5); }
.stripe-btn svg { flex-shrink: 0; }

/* ===== TESTIMONIALS ===== */
.testimonials { padding: 90px 0; background: linear-gradient(180deg,transparent,rgba(74,174,255,0.03) 50%,transparent); }
.testi-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.testi-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; transition: var(--transition); }
.testi-card:hover { border-color: var(--border-bright); transform: translateY(-2px); }
.testi-featured { border-color: rgba(74,174,255,0.3); background: linear-gradient(135deg,rgba(74,174,255,0.05),rgba(123,93,245,0.05)); }
.testi-stars { color: var(--cyan); font-size: 15px; margin-bottom: 14px; letter-spacing: 2px; }
.testi-card p { color: var(--text-muted); font-size: 14px; line-height: 1.7; margin-bottom: 20px; font-style: italic; }
.testi-author { display: flex; align-items: center; gap: 10px; }
.author-avatar { width: 38px; height: 38px; border-radius: 50%; background: linear-gradient(135deg,rgba(74,174,255,0.3),rgba(123,93,245,0.3)); border: 1px solid rgba(74,174,255,0.3); display: flex; align-items: center; justify-content: center; font-family: var(--font-display); font-size: 12px; font-weight: 700; color: var(--cyan); flex-shrink: 0; }
.testi-author > div { display: flex; flex-direction: column; }
.testi-author strong { font-size: 13px; font-weight: 600; }
.testi-author span { font-size: 12px; color: var(--text-muted); }

/* ===== CONTACT ===== */
.contact { padding: 100px 0; }
.contact-wrapper { display: grid; grid-template-columns: 1fr 1.4fr; gap: 60px; align-items: start; }
.contact-info h2 { font-family: var(--font-display); font-size: clamp(26px,3.5vw,38px); font-weight: 700; line-height: 1.2; margin-bottom: 18px; }
.contact-info p { color: var(--text-muted); font-size: 15px; line-height: 1.7; margin-bottom: 36px; }
.contact-items { display: flex; flex-direction: column; gap: 14px; }
.contact-item { display: flex; align-items: center; gap: 12px; color: var(--text-muted); font-size: 14px; }
.contact-item svg { width: 18px; height: 18px; color: var(--cyan); flex-shrink: 0; }
.contact-item a { color: var(--text-muted); }
.contact-item a:hover { color: var(--cyan); }

/* ===== FORM ===== */
.contact-form { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 36px; display: flex; flex-direction: column; gap: 18px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 7px; }
.form-group label { font-size: 12px; font-weight: 500; color: var(--text-muted); }
.form-group input, .form-group select, .form-group textarea {
  background: rgba(255,255,255,0.03); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 12px 14px; color: var(--text);
  font-family: var(--font-body); font-size: 14px; transition: border-color var(--transition); outline: none; width: 100%;
}
.form-group input::placeholder, .form-group textarea::placeholder { color: rgba(122,147,187,0.4); }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: rgba(74,174,255,0.5); background: rgba(74,174,255,0.03); }
.form-group select { appearance: none; cursor: pointer; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%237a93bb' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 36px; }
.form-group select option { background: #0c1428; }
.form-group textarea { resize: vertical; min-height: 100px; }
.checkbox-label { display: flex; align-items: flex-start; gap: 10px; font-size: 13px; color: var(--text-muted); cursor: pointer; line-height: 1.5; }
.checkbox-label input { margin-top: 3px; accent-color: var(--cyan); width: 15px; height: 15px; flex-shrink: 0; }
.checkbox-label a { color: var(--cyan); }
.btn-submit {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  background: linear-gradient(135deg,var(--cyan),var(--violet)); color: #fff;
  font-family: var(--font-display); font-size: 15px; font-weight: 600;
  padding: 14px 28px; border-radius: var(--radius-sm); border: none;
  cursor: pointer; transition: var(--transition); box-shadow: 0 0 30px rgba(74,174,255,0.25);
}
.btn-submit:hover { box-shadow: 0 0 50px rgba(74,174,255,0.4); transform: translateY(-2px); }
.btn-submit:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }
.btn-submit svg { width: 17px; height: 17px; }
.form-success { text-align: center; padding: 14px; background: rgba(74,255,128,0.07); border: 1px solid rgba(74,255,128,0.2); border-radius: var(--radius-sm); color: #7fffaa; font-size: 14px; }
.form-error { text-align: center; padding: 14px; background: rgba(255,80,80,0.07); border: 1px solid rgba(255,80,80,0.2); border-radius: var(--radius-sm); color: #ffaaaa; font-size: 14px; }
.form-error a { color: var(--cyan); }

/* ===== FOOTER ===== */
.footer { border-top: 1px solid var(--border); padding: 72px 0 36px; }
.footer-top { display: grid; grid-template-columns: 1fr 2fr; gap: 60px; margin-bottom: 52px; }
.footer-brand p { color: var(--text-muted); font-size: 14px; margin-top: 14px; max-width: 240px; line-height: 1.6; }
.footer-links { display: grid; grid-template-columns: repeat(3,1fr); gap: 32px; }
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-col h4 { font-family: var(--font-display); font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 2px; color: var(--text-muted); margin-bottom: 4px; }
.footer-col a { color: var(--text-muted); text-decoration: none; font-size: 13px; transition: color var(--transition); }
.footer-col a:hover { color: var(--text); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; border-top: 1px solid var(--border); padding-top: 22px; color: var(--text-muted); font-size: 12px; }

/* ===== ANIMATIONS ===== */
@keyframes fadeInDown { from{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)} }
@keyframes fadeInUp { from{opacity:0;transform:translateY(40px)}to{opacity:1;transform:translateY(0)} }
.fade-in { opacity: 0; transform: translateY(28px); transition: opacity 0.7s ease, transform 0.7s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* =============================================
   RESPONSIVE
   ============================================= */

/* Tablet large */
@media (max-width: 1100px) {
  .hero { padding: calc(var(--nav-h) + 50px) 48px 60px; }
  .nav-links { gap: 20px; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .card-large, .card-right { grid-column: span 2; }
}

/* Tablet */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding: calc(var(--nav-h) + 40px) 32px 60px; text-align: center; }
  .hero-visual { display: none; }
  .hero-sub { max-width: 100%; }
  .hero-actions { justify-content: center; }
  .hero-stats { justify-content: center; }
  .br-desktop { display: none; }
  .nav-links, .desktop-only { display: none; }
  .burger { display: flex; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; }
  .testi-grid { grid-template-columns: 1fr; max-width: 520px; margin: 0 auto; }
  .contact-wrapper { grid-template-columns: 1fr; gap: 40px; }
  .footer-top { grid-template-columns: 1fr; gap: 36px; }
  .footer-links { grid-template-columns: repeat(3,1fr); }
}

/* Mobile */
@media (max-width: 640px) {
  .hero { padding: calc(var(--nav-h) + 32px) 20px 48px; }
  .container { padding: 0 16px; }
  .features { padding: 72px 0; }
  .features-grid { grid-template-columns: 1fr; gap: 14px; }
  .card-large, .card-right { grid-column: span 1; }
  .how { padding: 64px 0; }
  .steps { padding: 0 8px; }
  .step { grid-template-columns: 44px 32px 1fr; gap: 0 14px; }
  .pricing { padding: 72px 0; }
  .pricing-grid { max-width: 100%; }
  .plan-card { padding: 24px 20px; }
  .price-amount { font-size: 32px; }
  .testimonials { padding: 64px 0; }
  .testi-grid { max-width: 100%; }
  .contact { padding: 72px 0; }
  .contact-form { padding: 24px 20px; }
  .form-row { grid-template-columns: 1fr; }
  .footer { padding: 52px 0 28px; }
  .footer-top { gap: 28px; }
  .footer-links { grid-template-columns: 1fr 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; gap: 6px; text-align: center; }
  .trust-bar { flex-direction: column; gap: 16px; text-align: center; }
  .trust-logos { gap: 16px; }
  .hero-actions { flex-direction: column; align-items: center; }
  .btn-primary, .btn-ghost { width: 100%; max-width: 280px; justify-content: center; }
  .hero-stats { gap: 12px; }
}

/* Very small */
@media (max-width: 380px) {
  .logo-text { font-size: 15px; }
  .hero-title { font-size: 32px; }
  .contact-form { padding: 20px 16px; }
}