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

:root {
  --blue-dark:   #1B2E4B;
  --blue-mid:    #2C4A7C;
  --green:       #00C47D;
  --green-dark:  #00A668;
  --white:       #FFFFFF;
  --gray-light:  #F5F7FA;
  --gray-mid:    #E2E8F0;
  --text:        #2D3748;
  --text-muted:  #718096;
  --red:         #E53E3E;

  --radius:      12px;
  --radius-sm:   8px;
  --shadow:      0 4px 24px rgba(27,46,75,0.10);
  --shadow-lg:   0 8px 40px rgba(27,46,75,0.16);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  font-size: 16px;
  overflow-x: hidden;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3 { line-height: 1.2; }
a { color: inherit; text-decoration: none; }

.text-green { color: var(--green); }
.text-red   { color: var(--red); }

/* ── BUTTONS ──────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.2s;
  border: 2px solid transparent;
  text-decoration: none;
}

.btn--primary {
  background: var(--green);
  color: var(--white);
  border-color: var(--green);
}
.btn--primary:hover {
  background: var(--green-dark);
  border-color: var(--green-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(0,196,125,0.35);
}

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

.btn--ghost {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.4);
}
.btn--ghost:hover {
  background: rgba(255,255,255,0.1);
}

.btn--lg  { padding: 16px 32px; font-size: 1.05rem; }
.btn--sm  { padding: 8px 18px; font-size: 0.9rem; }
.btn--full { width: 100%; }

/* ── NAV ──────────────────────────────────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--gray-mid);
  padding: 14px 0;
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.2rem;
  color: var(--blue-dark);
}

.logo-icon { font-size: 1.4rem; }

/* ── HERO ─────────────────────────────────────────────────────────────────── */
.hero {
  background: linear-gradient(135deg, var(--blue-dark) 0%, var(--blue-mid) 100%);
  color: var(--white);
  padding: 80px 0 60px;
  overflow: hidden;
}

.hero__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.hero__badge {
  display: inline-block;
  background: rgba(0,196,125,0.15);
  color: var(--green);
  border: 1px solid rgba(0,196,125,0.3);
  border-radius: 50px;
  padding: 6px 16px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.hero__title {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 800;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.hero__subtitle {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.82);
  max-width: 580px;
  margin-bottom: 36px;
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 16px;
}

.hero__legal {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.55);
  margin-bottom: 56px;
}

/* WhatsApp mockup */
.hero__mockup {
  width: 100%;
  max-width: 340px;
}

.mockup-phone {
  background: #ECE5DD;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.mockup-header {
  background: #075E54;
  color: white;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.mockup-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--green);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.8rem;
}

.mockup-name { font-weight: 600; font-size: 0.95rem; }
.mockup-status { font-size: 0.75rem; opacity: 0.8; }

.mockup-chat {
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.mockup-msg {
  max-width: 85%;
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 0.88rem;
  line-height: 1.5;
  color: #111;
}

.mockup-msg--received {
  background: white;
  align-self: flex-start;
  border-top-left-radius: 4px;
}

.mockup-msg--sent {
  background: #DCF8C6;
  align-self: flex-end;
  border-top-right-radius: 4px;
  color: var(--text-muted);
  font-size: 0.82rem;
}

.mockup-btn-wa {
  margin-top: 10px;
  background: #25D366;
  color: white;
  text-align: center;
  padding: 8px 12px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9rem;
}

/* ── PROBLEM ──────────────────────────────────────────────────────────────── */
.problem {
  padding: 80px 0;
  background: var(--white);
}

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

.problem__text h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  margin-bottom: 20px;
  color: var(--blue-dark);
}

.problem__text p {
  color: var(--text-muted);
  margin-bottom: 16px;
  font-size: 1.05rem;
  line-height: 1.8;
}

.problem__stats {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.stat-card {
  background: var(--gray-light);
  border-radius: var(--radius);
  padding: 28px 32px;
  text-align: center;
}

.stat-number {
  font-size: 2.8rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* ── HOW IT WORKS ─────────────────────────────────────────────────────────── */
.how {
  padding: 80px 0;
  background: var(--gray-light);
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-header h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: 800;
  color: var(--blue-dark);
  margin-bottom: 14px;
}

.section-header p {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 520px;
  margin: 0 auto;
}

.steps {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.step {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px 28px;
  max-width: 280px;
  box-shadow: var(--shadow);
  flex: 1;
  min-width: 220px;
}

.step__number {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--green);
  color: var(--white);
  font-size: 1.4rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.step__content h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--blue-dark);
  margin-bottom: 10px;
}

.step__content p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.step__arrow {
  font-size: 1.8rem;
  color: var(--gray-mid);
  align-self: center;
  padding-top: 20px;
}

/* ── FEATURES ─────────────────────────────────────────────────────────────── */
.features {
  padding: 80px 0;
  background: var(--white);
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-card {
  background: var(--gray-light);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: transform 0.2s, box-shadow 0.2s;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.feature-icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--blue-dark);
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ── PRICING ──────────────────────────────────────────────────────────────── */
.pricing {
  padding: 80px 0;
  background: var(--gray-light);
}

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

.price-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 36px 28px;
  box-shadow: var(--shadow);
  position: relative;
  border: 2px solid transparent;
  transition: transform 0.2s;
  text-align: center;
}

.price-card:hover { transform: translateY(-4px); }

.price-card--featured {
  border-color: var(--green);
  transform: scale(1.04);
}

.price-card--featured:hover { transform: scale(1.04) translateY(-4px); }

.price-card__badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--green);
  color: white;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 4px 16px;
  border-radius: 50px;
  white-space: nowrap;
}

.price-card__name {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--blue-dark);
  margin-bottom: 4px;
}

.price-card__desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.price-card__price {
  margin-bottom: 24px;
  line-height: 1;
}

.price-amount {
  font-size: 3rem;
  font-weight: 800;
  color: var(--blue-dark);
}

.price-period {
  font-size: 1rem;
  color: var(--text-muted);
}

.price-card__features {
  list-style: none;
  margin-bottom: 28px;
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  text-align: left;
  width: 100%;
  max-width: fit-content;
  margin-left: auto;
  margin-right: auto;
}

.price-card__features li {
  font-size: 0.9rem;
  color: var(--text);
}


.pricing__note {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.pricing__note a {
  color: var(--green);
  font-weight: 600;
  text-decoration: underline;
}

/* ── FAQ ──────────────────────────────────────────────────────────────────── */
.faq {
  padding: 80px 0;
  background: var(--white);
}

.faq__list {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq__item {
  background: var(--gray-light);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.faq__item summary {
  padding: 20px 24px;
  font-weight: 600;
  font-size: 1rem;
  color: var(--blue-dark);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq__item summary::-webkit-details-marker { display: none; }

.faq__item summary::after {
  content: '+';
  font-size: 1.4rem;
  color: var(--green);
  font-weight: 400;
  transition: transform 0.2s;
}

.faq__item[open] summary::after {
  transform: rotate(45deg);
}

.faq__item p {
  padding: 0 24px 20px;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.8;
}

/* ── CONTACT ──────────────────────────────────────────────────────────────── */
.contact {
  padding: 80px 0;
  background: var(--blue-dark);
  color: var(--white);
  overflow: hidden;
}

.contact__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  min-width: 0;
}

.contact__text h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: 800;
  margin-bottom: 16px;
}

.contact__text p {
  color: rgba(255,255,255,0.75);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 24px;
}

.contact__bullets {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.contact__bullets li {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.85);
}

.contact__form {
  background: var(--white);
  border-radius: var(--radius);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--blue-dark);
}

.form-group input,
.form-group select {
  padding: 12px 16px;
  border: 2px solid var(--gray-mid);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-family: inherit;
  color: var(--text);
  transition: border-color 0.2s;
  background: var(--white);
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--green);
}

.form-legal {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-align: center;
}

.form-legal a {
  color: var(--green-dark);
  text-decoration: underline;
}

/* ── FOOTER ───────────────────────────────────────────────────────────────── */
.footer {
  background: #111D2C;
  color: rgba(255,255,255,0.6);
  padding: 48px 0 32px;
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  text-align: center;
}

.footer__brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-size: 1.1rem;
  color: var(--white);
}

.footer__brand p {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.6;
}

.footer__links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  justify-content: center;
}

.footer__links a {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.55);
  transition: color 0.2s;
}

.footer__links a:hover { color: var(--white); }

.footer__legal p {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.35);
}

/* ── RESPONSIVE ───────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .problem__grid    { grid-template-columns: 1fr; gap: 40px; }
  .features__grid   { grid-template-columns: 1fr 1fr; }
  .pricing__grid    { grid-template-columns: 1fr; }
  .contact__inner   { grid-template-columns: 1fr; }
  .price-card--featured { transform: scale(1); }
  .steps            { flex-direction: column; align-items: center; }
  .step__arrow      { transform: rotate(90deg); padding: 0; }
  .hero__actions    { flex-direction: column; align-items: center; }
}

@media (max-width: 480px) {
  .features__grid { grid-template-columns: 1fr; }
  .contact__form  { padding: 24px 20px; }
}

/* ── PRICE BILLING NOTE ──────────────────────────────────────────────────── */
.price-billing {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: center;
  margin-top: -8px;
  margin-bottom: 8px;
}

/* ── BILLING TOGGLE ──────────────────────────────────────────────────────── */
.billing-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-bottom: 40px;
}

.billing-toggle__label {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: color 0.2s;
  cursor: pointer;
}

.billing-toggle__label.active { color: var(--blue-dark); }

.billing-toggle__save-tag {
  display: inline-block;
  background: rgba(0,196,125,0.15);
  color: var(--green-dark);
  border: 1px solid rgba(0,196,125,0.3);
  border-radius: 50px;
  padding: 2px 10px;
  font-size: 0.72rem;
  font-weight: 700;
  margin-left: 6px;
  white-space: nowrap;
}

.toggle-switch {
  position: relative;
  width: 50px;
  height: 27px;
  background: var(--gray-mid);
  border-radius: 50px;
  cursor: pointer;
  transition: background 0.25s;
  border: none;
  padding: 0;
  flex-shrink: 0;
}

.toggle-switch.annual { background: var(--green); }

.toggle-switch__thumb {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 21px;
  height: 21px;
  background: white;
  border-radius: 50%;
  transition: transform 0.25s;
  box-shadow: 0 1px 4px rgba(0,0,0,0.18);
  pointer-events: none;
}

.toggle-switch.annual .toggle-switch__thumb { transform: translateX(23px); }

.price-saving {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--green-dark);
  text-align: center;
  margin-bottom: 20px;
  min-height: 1.1em;
  opacity: 0;
  transition: opacity 0.2s;
}

.price-saving.visible { opacity: 1; }

/* ── WHATSAPP FLOATING BUTTON ────────────────────────────────────────────── */
.wa-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: 10px;
  background: #25D366;
  color: white;
  border-radius: 50px;
  padding: 14px 20px;
  box-shadow: 0 4px 20px rgba(37,211,102,0.45);
  transition: transform 0.2s, box-shadow 0.2s;
  font-weight: 600;
  font-size: 0.95rem;
}

.wa-float:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(37,211,102,0.55);
}

.wa-float svg { flex-shrink: 0; }

@media (max-width: 480px) {
  .wa-float__label { display: none; }
  .wa-float { padding: 14px; border-radius: 50%; }
}