/* ===================================================
   InventaPy Landing Page – styles.css
   =================================================== */

:root {
  --purple: #7c3aed;
  --purple-dark: #6d28d9;
  --purple-light: #ede9fe;
  --blue: #2563eb;
  --blue-light: #dbeafe;
  --green: #059669;
  --green-light: #d1fae5;
  --orange: #ea580c;
  --orange-light: #ffedd5;
  --red: #dc2626;
  --teal: #0891b2;
  --dark: #0f172a;
  --dark2: #1e293b;
  --dark3: #334155;
  --gray: #64748b;
  --gray-light: #f1f5f9;
  --gray-border: #e2e8f0;
  --white: #ffffff;
  --text: #1e293b;
  --text-light: #64748b;
  --font: 'Inter', sans-serif;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(0,0,0,0.08);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.12);
  --transition: 0.25s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body { font-family: var(--font); color: var(--text); background: var(--white); line-height: 1.6; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* Container */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 24px; border-radius: 50px; font-size: 15px; font-weight: 600;
  cursor: pointer; border: 2px solid transparent; transition: all var(--transition);
  white-space: nowrap;
}
.btn-primary { background: var(--purple); color: var(--white); border-color: var(--purple); }
.btn-primary:hover { background: var(--purple-dark); border-color: var(--purple-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(124,58,237,0.35); }
.btn-outline { background: transparent; color: var(--purple); border-color: var(--purple); }
.btn-outline:hover { background: var(--purple); color: var(--white); transform: translateY(-2px); }
.btn-whatsapp { background: #25d366; color: var(--white); border-color: #25d366; }
.btn-whatsapp:hover { background: #1ebe5d; border-color: #1ebe5d; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(37,211,102,0.35); }
.btn-lg { padding: 15px 32px; font-size: 16px; }
.btn-block { width: 100%; justify-content: center; }

/* ===== NAVBAR ===== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(15,23,42,0.95); backdrop-filter: blur(12px);
  padding: 14px 0; transition: all var(--transition);
}
.navbar.scrolled { box-shadow: var(--shadow); }
.nav-inner { display: flex; align-items: center; gap: 32px; }
.logo { display: flex; align-items: center; }
.logo-img { height: 48px; width: auto; display: block; }
.logo-img-footer { height: 52px; }
.logo-accent { color: var(--purple); }
.logo-footer { color: var(--white); }
.nav-links { display: flex; align-items: center; gap: 28px; margin-left: auto; }
.nav-links a { color: rgba(255,255,255,0.8); font-size: 14px; font-weight: 500; transition: color var(--transition); }
.nav-links a:hover { color: var(--white); }
.nav-cta { margin-left: 8px; }
.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--white); border-radius: 2px; transition: all var(--transition); }

/* ===== SECTION BASE ===== */
.section { padding: 100px 0; }
.section-light { background: var(--gray-light); }
.section-dark { background: var(--dark2); color: var(--white); }
.section-pricing { background: linear-gradient(135deg, #f8fafc 0%, #ede9fe 100%); }
.section-faq { background: var(--white); }

/* ===== FAQ ===== */
.faq-grid { max-width: 820px; margin: 0 auto 48px; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  border: 1.5px solid var(--gray-border); border-radius: var(--radius);
  overflow: hidden; transition: border-color var(--transition), box-shadow var(--transition);
  background: var(--white);
}
.faq-item.open { border-color: var(--purple); box-shadow: 0 4px 20px rgba(124,58,237,0.10); }
.faq-question {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 20px 24px; background: none; border: none; cursor: pointer;
  font-family: var(--font); font-size: 16px; font-weight: 600; color: var(--text);
  text-align: left; outline: none;
}
.faq-question:hover { color: var(--purple); }
.faq-item.open .faq-question { color: var(--purple); }
.faq-question i {
  font-size: 14px; color: var(--purple); flex-shrink: 0;
  transition: transform var(--transition);
}
.faq-item.open .faq-question i { transform: rotate(180deg); }
.faq-answer {
  max-height: 0; overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 24px;
}
.faq-answer p { font-size: 15px; color: var(--text-light); line-height: 1.75; padding-bottom: 20px; }
.faq-answer strong { color: var(--text); }
.faq-item.open .faq-answer { max-height: 300px; padding: 0 24px; }
.faq-cta {
  text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: 16px;
}
.faq-cta p { font-size: 17px; font-weight: 600; color: var(--text-light); }

.section-header { text-align: center; max-width: 680px; margin: 0 auto 60px; }
.section-header h2 { font-size: clamp(28px, 4vw, 42px); font-weight: 800; margin: 12px 0 16px; line-height: 1.2; }
.section-header p { font-size: 17px; color: var(--text-light); }
.section-header.light h2 { color: var(--white); }
.section-header.light p { color: rgba(255,255,255,0.7); }

.section-badge {
  display: inline-block; background: var(--purple-light); color: var(--purple);
  padding: 6px 16px; border-radius: 50px; font-size: 13px; font-weight: 600; letter-spacing: 0.5px;
}
.badge-light { background: rgba(124,58,237,0.2); color: #c4b5fd; }

/* ===== HERO ===== */
.hero {
  position: relative; background: linear-gradient(135deg, var(--dark) 0%, var(--dark2) 60%, #1a0533 100%);
  padding: 140px 0 80px; overflow: hidden; min-height: 100vh; display: flex; align-items: center;
}
.hero-bg {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 70% 50%, rgba(124,58,237,0.15) 0%, transparent 70%),
              radial-gradient(ellipse at 20% 80%, rgba(37,99,235,0.1) 0%, transparent 60%);
  pointer-events: none;
}
.hero-content { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; position: relative; z-index: 1; }
.hero-text { color: var(--white); }
.hero-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(124,58,237,0.2); border: 1px solid rgba(124,58,237,0.4);
  color: #c4b5fd; padding: 6px 16px; border-radius: 50px; font-size: 13px; font-weight: 600; margin-bottom: 20px;
}
.hero-text h1 { font-size: clamp(32px, 4.5vw, 56px); font-weight: 900; line-height: 1.15; margin-bottom: 20px; }
.gradient-text { background: linear-gradient(135deg, #a78bfa, #60a5fa); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-text p { font-size: 18px; color: rgba(255,255,255,0.75); margin-bottom: 36px; line-height: 1.7; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 40px; }
.hero-stats { display: flex; align-items: center; gap: 24px; }
.stat { display: flex; flex-direction: column; }
.stat strong { font-size: 24px; font-weight: 800; color: var(--white); }
.stat span { font-size: 12px; color: rgba(255,255,255,0.6); }
.stat-divider { width: 1px; height: 40px; background: rgba(255,255,255,0.2); }

.hero-visual { position: relative; }
.hero-mockup {
  background: var(--dark3); border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: 0 32px 80px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,255,255,0.08);
}
.mockup-bar {
  display: flex; align-items: center; gap: 6px; padding: 10px 16px;
  background: rgba(255,255,255,0.05); border-bottom: 1px solid rgba(255,255,255,0.08);
}
.mockup-bar span { width: 12px; height: 12px; border-radius: 50%; background: rgba(255,255,255,0.2); }
.mockup-bar span:first-child { background: #ff5f57; }
.mockup-bar span:nth-child(2) { background: #febc2e; }
.mockup-bar span:nth-child(3) { background: #28c840; }
.hero-mockup img { width: 100%; object-fit: cover; }

.hero-float-card {
  position: absolute; background: var(--white); border-radius: var(--radius); padding: 12px 16px;
  display: flex; align-items: center; gap: 12px; box-shadow: var(--shadow-lg);
  animation: float 3s ease-in-out infinite;
}
.hero-float-card i { font-size: 22px; }
.hero-float-card strong { display: block; font-size: 16px; font-weight: 700; }
.hero-float-card small { font-size: 11px; color: var(--text-light); }
.card-1 { bottom: -20px; left: -30px; animation-delay: 0s; }
.card-2 { top: -16px; right: -20px; animation-delay: 1.5s; }
.text-green { color: var(--green); }
.text-purple { color: var(--purple); }
.text-blue { color: var(--blue); }

@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }

.hero-wave { position: absolute; bottom: 0; left: 0; right: 0; line-height: 0; }
.hero-wave svg { width: 100%; height: 80px; }

/* ===== SCREENSHOTS SWIPER ===== */
.screenshots-swiper { padding: 0 40px 48px !important; }
.screenshot-frame {
  border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-lg); background: var(--dark2);
}
.screenshot-frame a { display: block; position: relative; cursor: zoom-in; }
.screenshot-frame a::after {
  content: '\f00e'; font-family: 'Font Awesome 6 Free'; font-weight: 900;
  position: absolute; top: 12px; right: 12px;
  background: rgba(0,0,0,0.55); color: #fff;
  width: 34px; height: 34px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 15px; opacity: 0; transition: opacity var(--transition);
  pointer-events: none;
}
.screenshot-frame a:hover::after { opacity: 1; }
.screenshot-frame img {
  width: 100%; aspect-ratio: 16 / 9;
  object-fit: contain; object-position: top;
  background: var(--dark2);
  display: block;
}
.screenshot-caption { padding: 20px 24px; background: var(--white); }
.screenshot-caption h4 { font-size: 16px; font-weight: 700; margin-bottom: 4px; display: flex; align-items: center; gap: 8px; }
.screenshot-caption h4 i { color: var(--purple); }
.screenshot-caption p { font-size: 14px; color: var(--text-light); }
.swiper-button-prev, .swiper-button-next { color: var(--purple) !important; }
.swiper-pagination-bullet-active { background: var(--purple) !important; }

/* ===== FEATURES ===== */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.feature-card {
  background: var(--white); border-radius: var(--radius-lg); padding: 32px 28px;
  box-shadow: var(--shadow); border: 1px solid var(--gray-border); transition: all var(--transition);
}
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--purple-light); }
.feature-icon {
  width: 52px; height: 52px; border-radius: 14px; display: flex; align-items: center; justify-content: center;
  font-size: 22px; color: var(--white); margin-bottom: 20px;
}
.bg-purple { background: var(--purple); }
.bg-blue { background: var(--blue); }
.bg-green { background: var(--green); }
.bg-orange { background: var(--orange); }
.bg-red { background: var(--red); }
.bg-teal { background: var(--teal); }
.feature-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.feature-card p { font-size: 14px; color: var(--text-light); line-height: 1.6; }

/* ===== MODULES ===== */
.modules-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; margin-bottom: 40px; }
.module-featured {
  background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg); padding: 36px; transition: all var(--transition);
}
.module-featured:hover { background: rgba(255,255,255,0.08); border-color: rgba(124,58,237,0.4); }
.module-icon-big {
  width: 64px; height: 64px; background: var(--purple); border-radius: 18px;
  display: flex; align-items: center; justify-content: center; font-size: 28px; color: var(--white);
  margin-bottom: 20px;
}
.module-icon-big.bg-blue { background: var(--blue); }
.module-featured h3 { font-size: 22px; font-weight: 800; color: var(--white); margin-bottom: 12px; }
.module-featured p { color: rgba(255,255,255,0.7); font-size: 15px; margin-bottom: 20px; line-height: 1.7; }
.module-checklist { display: flex; flex-direction: column; gap: 8px; }
.module-checklist li { display: flex; align-items: center; gap: 10px; color: rgba(255,255,255,0.85); font-size: 14px; }
.module-checklist i { color: #4ade80; font-size: 15px; flex-shrink: 0; }

.modules-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; }
.module-card {
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius); padding: 20px 16px; text-align: center; transition: all var(--transition);
}
.module-card:hover { background: rgba(124,58,237,0.2); border-color: rgba(124,58,237,0.4); transform: translateY(-4px); }
.module-card i { font-size: 26px; color: #a78bfa; margin-bottom: 10px; display: block; }
.module-card h4 { font-size: 14px; font-weight: 700; color: var(--white); margin-bottom: 4px; }
.module-card p { font-size: 12px; color: rgba(255,255,255,0.55); line-height: 1.4; }

/* ===== USE CASES ===== */
.usecases-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.usecase-card {
  background: var(--white); border: 2px solid var(--gray-border); border-radius: var(--radius-lg);
  padding: 20px 16px 22px; text-align: center; transition: all var(--transition); cursor: default;
}
.usecase-card:hover { border-color: var(--purple); transform: translateY(-6px); box-shadow: 0 12px 32px rgba(0,0,0,0.10); }
.usecase-img-wrap {
  width: 100%; aspect-ratio: 1 / 1; margin: 0 auto 14px;
  border-radius: 14px; overflow: hidden;
  background: var(--gray-light);
  display: flex; align-items: center; justify-content: center;
  transition: transform var(--transition);
}
.usecase-img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition); }
.usecase-card:hover .usecase-img-wrap img { transform: scale(1.05); }
.usecase-card h4 { font-size: 15px; font-weight: 700; color: var(--text); }

/* ===== TESTIMONIALS ===== */
.testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-bottom: 52px; }
.testimonial-card {
  background: var(--white); border-radius: var(--radius-lg); padding: 28px;
  box-shadow: var(--shadow); border: 1px solid var(--gray-border);
}
.stars { color: #f59e0b; margin-bottom: 14px; font-size: 14px; display: flex; gap: 2px; }
.testimonial-card p { font-size: 15px; color: var(--text-light); font-style: italic; margin-bottom: 20px; line-height: 1.7; }
.client-info { display: flex; align-items: center; gap: 12px; }
.client-avatar {
  width: 42px; height: 42px; background: var(--purple); border-radius: 50%;
  display: flex; align-items: center; justify-content: center; color: var(--white);
  font-size: 18px; font-weight: 700; flex-shrink: 0;
}
.client-avatar.bg-blue { background: var(--blue); }
.client-avatar.bg-green { background: var(--green); }
.client-info strong { display: block; font-size: 14px; font-weight: 700; }
.client-info small { font-size: 12px; color: var(--text-light); }

/* ===== CLIENT LOGO MARQUEE ===== */
.logos-track-wrapper {
  overflow: hidden;
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 12%, black 88%, transparent 100%);
  mask-image: linear-gradient(to right, transparent 0%, black 12%, black 88%, transparent 100%);
  padding: 12px 0;
}
.logos-track {
  display: flex;
  gap: 40px;
  width: max-content;
  animation: marquee-logos 32s linear infinite;
}
.logos-track:hover { animation-play-state: paused; }
.logos-slide {
  flex-shrink: 0;
  width: 180px; height: 160px;
  background: var(--white);
  border: 1.5px solid var(--gray-border);
  border-radius: 18px;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
  cursor: default;
}
.logos-slide:hover { box-shadow: 0 8px 28px rgba(0,0,0,0.12); transform: translateY(-4px); }
.logos-slide img { width: 100%; height: 100%; object-fit: contain; padding: 16px; }
.logos-slide--text {
  background: linear-gradient(135deg, var(--purple-light), #dbeafe);
  border-color: rgba(124,58,237,0.2);
}
.logos-slide--text span {
  font-size: 15px; font-weight: 700; color: var(--purple);
  text-align: center; line-height: 1.4;
}
@keyframes marquee-logos {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ===== PRICING ===== */
.billing-toggle {
  display: flex; align-items: center; justify-content: center; gap: 16px;
  margin-bottom: 48px;
}
.toggle-label { font-size: 16px; font-weight: 600; color: var(--text); }
.badge-discount {
  background: #dcfce7; color: var(--green); padding: 2px 10px; border-radius: 50px;
  font-size: 12px; font-weight: 700; margin-left: 6px;
}
.toggle-switch { position: relative; display: inline-block; width: 54px; height: 28px; }
.toggle-switch input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
  position: absolute; inset: 0; background: #cbd5e1; border-radius: 50px; cursor: pointer; transition: all var(--transition);
}
.toggle-slider::before {
  content: ''; position: absolute; width: 22px; height: 22px; left: 3px; bottom: 3px;
  background: var(--white); border-radius: 50%; transition: all var(--transition);
}
.toggle-switch input:checked + .toggle-slider { background: var(--purple); }
.toggle-switch input:checked + .toggle-slider::before { transform: translateX(26px); }

.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; align-items: start; }
.pricing-card {
  background: var(--white); border-radius: var(--radius-lg); padding: 36px 28px;
  box-shadow: var(--shadow); border: 2px solid var(--gray-border); position: relative; transition: all var(--transition);
}
.pricing-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.pricing-card.featured {
  border-color: var(--purple); transform: scale(1.04);
  box-shadow: 0 20px 60px rgba(124,58,237,0.25);
}
.pricing-card.featured:hover { transform: scale(1.04) translateY(-4px); }
.featured-badge {
  position: absolute; top: -16px; left: 50%; transform: translateX(-50%);
  background: linear-gradient(135deg, var(--purple), var(--blue)); color: var(--white);
  padding: 6px 20px; border-radius: 50px; font-size: 13px; font-weight: 700; white-space: nowrap;
  display: flex; align-items: center; gap: 6px; box-shadow: 0 4px 16px rgba(124,58,237,0.4);
}
.plan-header { margin-bottom: 24px; }
.plan-icon { width: 52px; height: 52px; border-radius: 14px; display: flex; align-items: center; justify-content: center; font-size: 22px; color: var(--white); margin-bottom: 16px; }
.plan-header h3 { font-size: 24px; font-weight: 800; margin-bottom: 4px; }
.plan-desc { font-size: 14px; color: var(--text-light); }

.plan-price { margin-bottom: 28px; min-height: 72px; }
.price-monthly { display: flex; align-items: baseline; gap: 4px; }
.currency { font-size: 20px; font-weight: 700; color: var(--text); }
.amount { font-size: 44px; font-weight: 900; color: var(--text); line-height: 1; }
.period { font-size: 15px; color: var(--text-light); }

.price-annual { }
.price-original { display: flex; align-items: baseline; gap: 4px; margin-bottom: 4px; }
.currency-sm { font-size: 15px; font-weight: 600; color: var(--text-light); }
.strikethrough { font-size: 22px; font-weight: 700; color: var(--red); text-decoration: line-through; }
.period-sm { font-size: 13px; color: var(--text-light); }
.discount-badge { display: inline-block; background: #dcfce7; color: var(--green); padding: 3px 12px; border-radius: 50px; font-size: 13px; font-weight: 700; margin-bottom: 6px; }
.price-discounted { display: flex; align-items: baseline; gap: 4px; }

.plan-features { display: flex; flex-direction: column; gap: 10px; margin-bottom: 28px; }
.plan-features li { display: flex; align-items: center; gap: 10px; font-size: 14px; }
.plan-features i { color: var(--green); font-size: 14px; flex-shrink: 0; }
.included-trial { color: var(--purple); font-weight: 600; }
.included-trial i { color: var(--purple); }

/* ===== CONTACT ===== */
.contact-layout { display: grid; grid-template-columns: 1fr 420px; gap: 48px; align-items: start; }
.contact-form-wrapper {
  background: var(--white); border-radius: var(--radius-lg); padding: 40px;
  box-shadow: var(--shadow); border: 1px solid var(--gray-border);
}
.contact-form .form-group { margin-bottom: 20px; }
.contact-form label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 6px; color: var(--text); }
.required { color: var(--red); }
.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%; padding: 12px 16px; border: 2px solid var(--gray-border); border-radius: var(--radius);
  font-family: var(--font); font-size: 15px; color: var(--text); background: var(--white);
  transition: border-color var(--transition); outline: none; -webkit-appearance: none;
}
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus { border-color: var(--purple); }
.contact-form input.error,
.contact-form select.error { border-color: var(--red); }
.field-error { display: block; font-size: 12px; color: var(--red); margin-top: 4px; min-height: 16px; }

.contact-info { display: flex; flex-direction: column; gap: 20px; }
.info-card {
  background: linear-gradient(135deg, var(--purple), var(--blue)); border-radius: var(--radius-lg);
  padding: 28px; color: var(--white);
}
.info-card h3 { font-size: 20px; font-weight: 800; margin-bottom: 6px; }
.info-card p { font-size: 14px; opacity: 0.85; margin-bottom: 16px; }
.info-items { display: flex; flex-direction: column; gap: 16px; background: var(--white); border-radius: var(--radius-lg); padding: 24px; box-shadow: var(--shadow); }
.info-item { display: flex; align-items: center; gap: 14px; }
.info-item i { font-size: 22px; width: 28px; text-align: center; flex-shrink: 0; }
.info-item strong { display: block; font-size: 13px; color: var(--text-light); font-weight: 600; }
.info-item a { font-size: 15px; font-weight: 600; color: var(--text); transition: color var(--transition); }
.info-item a:hover { color: var(--purple); }
.guarantee-box {
  display: flex; align-items: center; gap: 16px;
  background: var(--purple-light); border-radius: var(--radius); padding: 18px 20px;
}
.guarantee-box i { font-size: 28px; color: var(--purple); flex-shrink: 0; }
.guarantee-box strong { display: block; font-size: 15px; color: var(--purple); font-weight: 700; }
.guarantee-box p { font-size: 13px; color: var(--text-light); }

/* ===== FOOTER ===== */
.footer { background: var(--dark); color: rgba(255,255,255,0.75); padding: 72px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 48px; padding-bottom: 48px; border-bottom: 1px solid rgba(255,255,255,0.1); }
.footer-brand p { font-size: 14px; line-height: 1.7; margin: 16px 0 20px; color: rgba(255,255,255,0.6); }
.footer-social { display: flex; gap: 12px; }
.footer-social a { width: 38px; height: 38px; background: rgba(255,255,255,0.08); border-radius: 10px; display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,0.7); font-size: 16px; transition: all var(--transition); }
.footer-social a:hover { background: var(--purple); color: var(--white); }
.footer-links h4, .footer-contact h4 { font-size: 14px; font-weight: 700; color: var(--white); margin-bottom: 16px; text-transform: uppercase; letter-spacing: 1px; }
.footer-links ul, .footer-contact ul { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 14px; color: rgba(255,255,255,0.6); transition: color var(--transition); }
.footer-links a:hover { color: var(--white); }
.footer-contact li { display: flex; align-items: center; gap: 10px; font-size: 14px; }
.footer-contact i { font-size: 14px; color: var(--purple); width: 16px; text-align: center; flex-shrink: 0; }
.footer-contact a { color: rgba(255,255,255,0.6); transition: color var(--transition); }
.footer-contact a:hover { color: var(--white); }
.footer-bottom { padding: 20px 0; text-align: center; }
.footer-bottom p { font-size: 13px; color: rgba(255,255,255,0.4); }
.footer-seo { font-size: 11px !important; margin-top: 4px; }

/* ===== WHATSAPP FLOAT ===== */
.whatsapp-float {
  position: fixed; bottom: 28px; right: 28px; z-index: 999;
  width: 60px; height: 60px; background: #25d366; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 28px; color: var(--white); box-shadow: 0 6px 24px rgba(37,211,102,0.5);
  transition: all var(--transition); animation: pulse-wa 2s ease-in-out infinite;
}
.whatsapp-float:hover { transform: scale(1.1); box-shadow: 0 10px 32px rgba(37,211,102,0.6); }
.wa-tooltip {
  position: absolute; right: 68px; background: var(--dark2); color: var(--white);
  padding: 6px 12px; border-radius: 8px; font-size: 13px; font-weight: 600; white-space: nowrap;
  opacity: 0; transform: translateX(8px); transition: all var(--transition); pointer-events: none;
}
.whatsapp-float:hover .wa-tooltip { opacity: 1; transform: translateX(0); }
@keyframes pulse-wa {
  0%, 100% { box-shadow: 0 6px 24px rgba(37,211,102,0.5); }
  50% { box-shadow: 0 6px 40px rgba(37,211,102,0.8), 0 0 0 12px rgba(37,211,102,0.08); }
}

/* ===== BACK TO TOP ===== */
.back-to-top {
  position: fixed; bottom: 28px; left: 28px; z-index: 999;
  width: 44px; height: 44px; background: var(--purple); border: none; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--white); font-size: 16px; cursor: pointer; box-shadow: var(--shadow);
  transition: all var(--transition); opacity: 0; pointer-events: none;
}
.back-to-top.visible { opacity: 1; pointer-events: auto; }
.back-to-top:hover { background: var(--purple-dark); transform: translateY(-3px); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .modules-grid { grid-template-columns: repeat(3, 1fr); }
  .hero-content { gap: 40px; }
}

@media (max-width: 900px) {
  .hero-content { grid-template-columns: 1fr; text-align: center; }
  .hero-stats { justify-content: center; }
  .hero-actions { justify-content: center; }
  .hero-visual { display: none; }
  .modules-layout { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; }
  .pricing-card.featured { transform: scale(1); }
  .contact-layout { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .usecases-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 680px) {
  .section { padding: 64px 0; }
  .container { padding: 0 16px; }
  .nav-links { display: none; flex-direction: column; position: absolute; top: 70px; left: 0; right: 0; background: var(--dark); padding: 20px 24px; gap: 16px; border-top: 1px solid rgba(255,255,255,0.1); }
  .nav-links.open { display: flex; }
  .nav-cta { display: none; }
  .hamburger { display: flex; margin-left: auto; }
  .features-grid { grid-template-columns: 1fr; }
  .modules-grid { grid-template-columns: repeat(2, 1fr); }
  .usecases-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero-stats { flex-wrap: wrap; gap: 16px; }
  .stat-divider { display: none; }
  .hero { padding: 120px 0 70px; min-height: auto; }
  .hero-text h1 { font-size: clamp(26px, 8vw, 36px); }
  .hero-text p { font-size: 16px; }
  .hero-actions { flex-direction: column; align-items: center; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .section-header h2 { font-size: clamp(22px, 6vw, 32px); }
  .section-header p { font-size: 15px; }
  .pricing-grid { max-width: 100%; }
  .contact-form { padding: 24px 16px; }
  .footer-links-grid { grid-template-columns: 1fr 1fr; }
  .screenshot-frame img { aspect-ratio: 16 / 9; }
  .module-featured { padding: 24px 20px; }
  .feature-card { padding: 24px 20px; }
  .back-to-top { bottom: 90px; left: 16px; }
  .whatsapp-float { bottom: 20px; right: 16px; }
  .wa-tooltip { display: none; }
}
