/* ============================================
   ELOVEO IA — Landing Page Styles
   Optimized for paid ads conversion
   ============================================ */

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

:root {
  --blue: #0066CC;
  --blue-dark: #003D99;
  --blue-light: #e8f2ff;
  --navy: #0f172a;
  --white: #ffffff;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  --green: #22c55e;
  --green-light: #dcfce7;
  --red: #ef4444;
  --red-light: #fee2e2;
  --orange: #f59e0b;
  --purple: #8b5cf6;
  --teal: #14b8a6;
  --whatsapp: #25D366;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 16px;
  --shadow: 0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md: 0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.06);
  --shadow-lg: 0 10px 25px rgba(0,0,0,.1), 0 6px 10px rgba(0,0,0,.08);
  --shadow-xl: 0 20px 50px rgba(0,0,0,.12);
  --transition: 200ms ease;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--gray-800);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

/* ---- Typography ---- */
h1 { font-size: clamp(2rem, 5vw, 3.25rem); font-weight: 800; line-height: 1.15; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.25rem); font-weight: 700; line-height: 1.2; letter-spacing: -0.01em; }
h3 { font-size: 1.25rem; font-weight: 600; line-height: 1.3; }

.section__title { text-align: center; margin-bottom: 16px; }
.section__subtitle { text-align: center; color: var(--gray-500); max-width: 600px; margin: 0 auto 48px; font-size: 1.1rem; }
.section__header { margin-bottom: 48px; }

.highlight { color: var(--blue); }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: inherit;
  font-weight: 600;
  font-size: 1rem;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn--primary {
  background: var(--blue);
  color: var(--white);
  border-color: var(--blue);
}
.btn--primary:hover {
  background: var(--blue-dark);
  border-color: var(--blue-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--outline {
  background: transparent;
  color: var(--blue);
  border-color: var(--blue);
}
.btn--outline:hover {
  background: var(--blue);
  color: var(--white);
}

.btn--ghost {
  background: transparent;
  color: var(--gray-700);
  border-color: var(--gray-300);
}
.btn--ghost:hover {
  border-color: var(--gray-500);
  background: var(--gray-50);
}

.btn--whatsapp {
  background: var(--whatsapp);
  color: var(--white);
  border-color: var(--whatsapp);
}
.btn--whatsapp:hover {
  background: #1eb954;
  border-color: #1eb954;
}

.btn--lg { padding: 16px 32px; font-size: 1.05rem; }
.btn--block { width: 100%; }

/* ---- Header ---- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-200);
  transition: box-shadow var(--transition);
}
.header--scrolled { box-shadow: var(--shadow); }

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.25rem;
}
.logo__icon {
  width: 40px;
  height: 40px;
  background: var(--blue);
  color: var(--white);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.2rem;
}
.logo__text { color: var(--gray-800); }
.logo__badge {
  display: inline-block;
  background: var(--blue-light);
  color: var(--blue);
  font-size: .75rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 6px;
  margin-left: 4px;
  vertical-align: middle;
}

.nav { display: flex; gap: 32px; }
.nav__link {
  color: var(--gray-600);
  font-weight: 500;
  font-size: .95rem;
  transition: color var(--transition);
}
.nav__link:hover { color: var(--blue); }

.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 4px; }
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--gray-800);
  margin: 5px 0;
  transition: all var(--transition);
}

.header__cta { display: block; }

/* ---- Hero ---- */
.hero {
  padding: 140px 0 80px;
  background: linear-gradient(180deg, var(--blue-light) 0%, var(--white) 100%);
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero__badge {
  display: inline-block;
  background: var(--blue);
  color: var(--white);
  font-size: .8rem;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 20px;
  margin-bottom: 24px;
  letter-spacing: .02em;
  text-transform: uppercase;
}

.hero__subtitle {
  font-size: 1.2rem;
  color: var(--gray-600);
  margin-top: 20px;
  max-width: 520px;
  line-height: 1.7;
}

.hero__ctas {
  display: flex;
  gap: 16px;
  margin-top: 32px;
  flex-wrap: wrap;
}

.hero__proof {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 32px;
}
.hero__proof-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .95rem;
  color: var(--gray-600);
}

/* Hero Calculator */
.hero__calc {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}
.hero__calc-header {
  padding: 16px 24px;
  background: var(--navy);
  color: var(--white);
}
.hero__calc-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: .01em;
}
.hero__calc-title svg { stroke: var(--white); }
.hero__calc-body { padding: 28px 24px; }

.hero__calc-slider { margin-bottom: 24px; }
.hero__calc-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
  font-size: .9rem;
  font-weight: 500;
  color: var(--gray-700);
}
.hero__calc-val {
  font-weight: 700;
  color: var(--blue);
  font-size: .95rem;
  min-width: 70px;
  text-align: right;
}
.hero__calc-range {
  display: flex;
  justify-content: space-between;
  font-size: .75rem;
  color: var(--gray-400);
  margin-top: 4px;
}

/* Custom range slider */
.slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  background: var(--gray-200);
  border-radius: 3px;
  outline: none;
  cursor: pointer;
}
.slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--blue);
  border: 3px solid var(--white);
  box-shadow: 0 2px 6px rgba(0,102,204,.35);
  cursor: pointer;
  transition: transform .15s ease;
}
.slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}
.slider::-moz-range-thumb {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--blue);
  border: 3px solid var(--white);
  box-shadow: 0 2px 6px rgba(0,102,204,.35);
  cursor: pointer;
}

/* Results */
.hero__calc-results {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 12px;
  margin-bottom: 20px;
  padding: 20px;
  background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 100%);
  border-radius: var(--radius);
}
.hero__calc-result {
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.hero__calc-result-label {
  font-size: .7rem;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: .04em;
  font-weight: 500;
}
.hero__calc-result-value {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--white);
}
.hero__calc-result-value--big {
  font-size: 1.6rem;
  color: var(--green);
}

/* ---- Problems ---- */
.problems {
  padding: 80px 0;
}
.problems__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.problem-card {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 32px;
  transition: all var(--transition);
}
.problem-card:hover {
  border-color: var(--red);
  box-shadow: var(--shadow-md);
}
.problem-card__icon { margin-bottom: 16px; }
.problem-card h3 { margin-bottom: 8px; color: var(--gray-800); }
.problem-card p { color: var(--gray-600); font-size: .95rem; }

/* ---- Services ---- */
.services {
  padding: 80px 0;
  background: var(--gray-50);
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 32px;
  transition: all var(--transition);
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.service-card__icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.service-card__icon--blue { background: var(--blue-light); color: var(--blue); }
.service-card__icon--green { background: var(--green-light); color: var(--green); }
.service-card__icon--purple { background: #f3e8ff; color: var(--purple); }
.service-card__icon--orange { background: #fef3c7; color: var(--orange); }
.service-card__icon--teal { background: #ccfbf1; color: var(--teal); }
.service-card__icon--red { background: var(--red-light); color: var(--red); }

.service-card h3 { margin-bottom: 8px; }
.service-card p { color: var(--gray-600); font-size: .95rem; margin-bottom: 16px; }
.service-card__list { display: flex; flex-direction: column; gap: 8px; }
.service-card__list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .9rem;
  color: var(--gray-600);
}
.service-card__list li::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  flex-shrink: 0;
}

/* ---- Sectors ---- */
.sectors {
  padding: 60px 0;
}
.sectors__grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-top: 32px;
}
.sector-tag {
  background: var(--blue-light);
  color: var(--blue-dark);
  padding: 10px 20px;
  border-radius: 24px;
  font-weight: 500;
  font-size: .95rem;
}

/* ---- Method ---- */
.method {
  padding: 80px 0;
  background: var(--navy);
  color: var(--white);
}
.method .section__title { color: var(--white); }
.method .section__subtitle { color: var(--gray-400); }

.method__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.method-step {
  text-align: center;
  position: relative;
}
.method-step__number {
  width: 56px;
  height: 56px;
  background: var(--blue);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  font-weight: 800;
  margin: 0 auto 20px;
}
.method-step h3 { margin-bottom: 8px; color: var(--white); }
.method-step p { color: var(--gray-400); font-size: .9rem; }

/* ---- Pricing ---- */
.pricing {
  padding: 80px 0;
}

.pricing__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
}

.pricing-card {
  background: var(--white);
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  position: relative;
  transition: all var(--transition);
}
.pricing-card:hover {
  border-color: var(--blue);
  box-shadow: var(--shadow-lg);
}

.pricing-card--featured {
  border-color: var(--blue);
  box-shadow: var(--shadow-xl);
  transform: scale(1.05);
}
.pricing-card--featured:hover { transform: scale(1.07); }

.pricing-card__badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--blue);
  color: var(--white);
  font-size: .8rem;
  font-weight: 600;
  padding: 6px 20px;
  border-radius: 20px;
  white-space: nowrap;
}

.pricing-card__header h3 { font-size: 1.4rem; margin-bottom: 4px; }
.pricing-card__desc { color: var(--gray-500); font-size: .95rem; }

.pricing-card__price {
  margin: 24px 0;
  display: flex;
  align-items: baseline;
  gap: 4px;
}
.pricing-card__amount { font-size: 3rem; font-weight: 800; color: var(--gray-900); }
.pricing-card__plus { font-size: 1.5rem; }
.pricing-card__currency { font-size: 1.1rem; color: var(--gray-500); font-weight: 600; }

.pricing-card__features {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
}
.pricing-card__features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .95rem;
  color: var(--gray-700);
}
.pricing-card__features li::before {
  content: '✓';
  color: var(--green);
  font-weight: 700;
  flex-shrink: 0;
}

.pricing__note {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 32px;
  padding: 16px 24px;
  background: var(--blue-light);
  border-radius: var(--radius-sm);
  font-size: .95rem;
  color: var(--blue-dark);
  justify-content: center;
}

/* ---- Proof ---- */
.proof {
  padding: 60px 0;
  background: var(--gray-50);
}
.proof__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}
.proof__stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--blue);
  margin-bottom: 4px;
}
.proof__stat-label {
  color: var(--gray-500);
  font-size: .95rem;
}

/* ---- Testimonials ---- */
.testimonials {
  padding: 80px 0;
}
.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.testimonial-card {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 32px;
}
.testimonial-card__stars {
  color: var(--orange);
  font-size: 1.2rem;
  margin-bottom: 16px;
  letter-spacing: 2px;
}
.testimonial-card blockquote {
  color: var(--gray-700);
  font-size: .95rem;
  line-height: 1.7;
  margin-bottom: 20px;
  font-style: italic;
}
.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: 12px;
}
.testimonial-card__avatar {
  width: 44px;
  height: 44px;
  background: var(--blue);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: .85rem;
}
.testimonial-card__author strong { display: block; font-size: .95rem; }
.testimonial-card__author span { color: var(--gray-500); font-size: .85rem; }

/* ---- FAQ ---- */
.faq {
  padding: 80px 0;
  background: var(--gray-50);
}
.faq__list {
  max-width: 720px;
  margin: 48px auto 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq__item {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.faq__item summary {
  padding: 20px 24px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  list-style: none;
  transition: background var(--transition);
}
.faq__item summary:hover { background: var(--gray-50); }
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after {
  content: '+';
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--gray-400);
  transition: transform var(--transition);
}
.faq__item[open] summary::after {
  transform: rotate(45deg);
}
.faq__item p {
  padding: 0 24px 20px;
  color: var(--gray-600);
  line-height: 1.7;
}

/* ---- Contact ---- */
.contact {
  padding: 80px 0;
}

.contact__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.contact__info h2 { margin-bottom: 16px; }
.contact__info > p { color: var(--gray-600); margin-bottom: 32px; font-size: 1.05rem; }

.contact__details {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 24px;
}
.contact__detail {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--gray-700);
}
.contact__detail svg { color: var(--blue); flex-shrink: 0; }
.contact__detail a { color: var(--blue); font-weight: 500; }
.contact__detail a:hover { text-decoration: underline; }

.contact__whatsapp { margin-top: 8px; max-width: 300px; }

/* Form */
.contact__form {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.form__group { margin-bottom: 20px; }
.form__group label {
  display: block;
  font-weight: 500;
  font-size: .9rem;
  margin-bottom: 6px;
  color: var(--gray-700);
}
.form__group input,
.form__group select,
.form__group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: .95rem;
  transition: border-color var(--transition);
  background: var(--white);
}
.form__group input:focus,
.form__group select:focus,
.form__group textarea:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(0,102,204,.15);
}
.form__group textarea { resize: vertical; }

.form__note {
  text-align: center;
  margin-top: 12px;
  font-size: .85rem;
  color: var(--gray-500);
}

/* ---- Footer ---- */
.footer {
  background: var(--navy);
  color: var(--gray-400);
  padding: 48px 0;
}
.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}
.footer .logo__icon { background: var(--blue); }
.footer .logo__text { color: var(--white); }
.footer__brand { text-align: center; }
.footer__brand p { margin-top: 8px; font-size: .9rem; }
.footer__links { display: flex; gap: 24px; }
.footer__links a {
  color: var(--gray-400);
  font-size: .9rem;
  transition: color var(--transition);
}
.footer__links a:hover { color: var(--white); }
.footer__copy { font-size: .8rem; color: var(--gray-500); }
.footer__copy a { color: var(--gray-400); }

/* ---- Floating CTA ---- */
.floating-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 12px 16px;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--gray-200);
  z-index: 90;
  display: none;
}
.floating-cta .btn { width: 100%; }

/* ---- Thank You Overlay ---- */
.thank-you {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.6);
  z-index: 200;
  align-items: center;
  justify-content: center;
}
.thank-you.active { display: flex; }
.thank-you__card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 48px;
  text-align: center;
  max-width: 480px;
  margin: 16px;
}
.thank-you__card h2 { margin-bottom: 12px; }
.thank-you__card p { color: var(--gray-600); margin-bottom: 24px; }

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .hero__inner { grid-template-columns: 1fr; gap: 40px; }
  .hero__visual { order: -1; max-width: 480px; margin: 0 auto; }
  .services__grid { grid-template-columns: repeat(2, 1fr); }
  .method__grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .pricing__grid { grid-template-columns: 1fr; max-width: 440px; margin: 0 auto; }
  .pricing-card--featured { transform: none; }
  .pricing-card--featured:hover { transform: none; }
  .testimonials__grid { grid-template-columns: 1fr; }
  .contact__inner { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 768px) {
  .nav { display: none; }
  .nav.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--white);
    padding: 24px;
    border-bottom: 1px solid var(--gray-200);
    box-shadow: var(--shadow-lg);
    gap: 16px;
  }
  .nav-toggle { display: block; }
  .header__cta { display: none; }

  .hero { padding: 100px 0 60px; }
  .hero__ctas { flex-direction: column; }
  .hero__ctas .btn { width: 100%; }

  .problems__grid { grid-template-columns: 1fr; }
  .services__grid { grid-template-columns: 1fr; }
  .method__grid { grid-template-columns: 1fr; }
  .proof__grid { grid-template-columns: repeat(2, 1fr); }

  .contact__form { padding: 24px; }

  .floating-cta { display: block; }
  .footer { padding-bottom: 80px; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .proof__grid { grid-template-columns: 1fr; }
  .sectors__grid { justify-content: flex-start; }
  .hero__calc-results { grid-template-columns: 1fr; gap: 8px; padding: 16px; }
  .hero__calc-result-value--big { font-size: 1.4rem; }
}

/* ---- Animations ---- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-in {
  opacity: 0;
  transform: translateY(20px);
}
.animate-in.visible {
  animation: fadeInUp .5s ease forwards;
}

/* ---- Print ---- */
@media print {
  .header, .floating-cta, .contact__form { display: none; }
}