/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.04);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo img {
  height: 44px;
  width: auto;
}

.logo__product {
  font-family: var(--font-heading);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--sulnet-orange);
  padding-left: 12px;
  border-left: 2px solid var(--border-strong);
}

.nav {
  display: flex;
  align-items: center;
  gap: 22px;
}

.nav a {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.2s;
}

.nav a:hover {
  color: var(--sulnet-orange);
}

.nav__cta {
  padding: 10px 22px;
  background: var(--sulnet-red);
  color: #fff !important;
  border-radius: var(--radius-pill);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 14px;
  box-shadow: 0 4px 16px rgba(224, 43, 32, 0.25);
}

.nav__cta:hover {
  background: #c9241a;
  color: #fff !important;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 30px;
  border-radius: var(--radius-pill);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 15px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s, background 0.15s;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn--primary {
  background: var(--sulnet-red);
  color: #fff;
  box-shadow: 0 6px 20px rgba(224, 43, 32, 0.3);
}

.btn--primary:hover {
  background: #c9241a;
}

.btn--outline {
  background: #fff;
  color: var(--sulnet-orange);
  border-color: var(--sulnet-orange);
}

.btn--outline:hover {
  background: rgba(232, 78, 15, 0.06);
}

.btn--block {
  width: 100%;
}

.btn--whatsapp {
  background: #25d366;
  color: #fff;
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.35);
}

.btn--whatsapp:hover {
  background: #1fb855;
  color: #fff;
}

/* Sections */
.section {
  padding: 80px 0;
}

.section--dark {
  background: var(--bg-soft);
}

.section--muted {
  background: var(--bg-muted);
}

.section--cta {
  background: linear-gradient(180deg, var(--bg-muted) 0%, var(--bg-soft) 100%);
}

.section__header {
  max-width: 720px;
  margin-bottom: 44px;
}

.section__header--center {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.section__label {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--sulnet-orange);
  margin-bottom: 10px;
}

.section__header h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 3vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 14px;
  line-height: 1.2;
  color: var(--sulnet-orange);
}

.section__header p {
  color: var(--text-body);
  margin: 0;
  font-size: 1rem;
}

/* Cards */
.cards {
  display: grid;
  gap: 20px;
}

.cards--4 {
  grid-template-columns: repeat(4, 1fr);
}

.cards--3 {
  grid-template-columns: repeat(3, 1fr);
}

.cards--2 {
  grid-template-columns: repeat(2, 1fr);
}

.card {
  padding: 28px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.1);
}

.card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin-bottom: 16px;
  border-radius: 12px;
  background: rgba(232, 78, 15, 0.1);
  color: var(--sulnet-orange);
  font-size: 1.25rem;
  font-weight: 700;
}

.card h3,
.card h4 {
  margin: 0 0 10px;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
}

.card p {
  margin: 0;
  color: var(--text-body);
  font-size: 0.92rem;
}

/* Plans — layout estilo cards premium */
.plans-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 20px;
  align-items: stretch;
}

.plan-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.plan-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.12);
}

.plan-card--featured {
  border: 2px solid var(--sulnet-orange);
  box-shadow: 0 16px 48px rgba(232, 78, 15, 0.18);
}

.plan-card__ribbon {
  padding: 10px 16px;
  background: var(--sulnet-orange);
  color: #fff;
  text-align: center;
  font-family: var(--font-heading);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.plan-card__main {
  padding: 24px 22px 22px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.plan-card__title {
  margin: 0 0 10px;
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text);
  line-height: 1.2;
}

.plan-card__desc {
  margin: 0 0 24px;
  font-size: 0.88rem;
  line-height: 1.55;
  color: var(--text-body);
  min-height: 3.1em;
}

.plan-card__cta {
  margin-top: auto;
}

.plan-card__cta.btn--whatsapp {
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.28);
}

.plan-card__cta.btn--whatsapp:hover {
  box-shadow: 0 10px 28px rgba(37, 211, 102, 0.35);
}

.plan-card__cta.btn--primary {
  background: var(--sulnet-orange);
  box-shadow: 0 8px 24px rgba(232, 78, 15, 0.28);
}

.plan-card__cta.btn--primary:hover {
  background: #d4460d;
}

.plan-card--featured .plan-card__cta.btn--primary {
  background: var(--sulnet-red);
  box-shadow: 0 8px 24px rgba(224, 43, 32, 0.35);
}

.plan-card--featured .plan-card__cta.btn--primary:hover {
  background: #c9241a;
}

.plan-card__features {
  margin-top: auto;
  padding: 18px 20px 22px;
  background: rgba(232, 78, 15, 0.06);
  border-top: 1px solid rgba(232, 78, 15, 0.12);
}

.plan-card__features-title {
  margin: 0 0 12px;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--sulnet-orange);
}

.plan-card__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.plan-card__list li {
  position: relative;
  padding: 7px 0 7px 22px;
  font-size: 0.84rem;
  line-height: 1.45;
  color: var(--text-body);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.plan-card__list li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.plan-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.95em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--sulnet-orange);
  transform: translateY(-50%);
}

.custom-plan {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 32px;
  margin-top: 32px;
  border: 2px dashed var(--sulnet-orange);
  border-radius: var(--radius);
  background: rgba(232, 78, 15, 0.04);
}

.custom-plan h3 {
  margin: 0 0 8px;
  font-family: var(--font-heading);
  color: var(--sulnet-orange);
}

.custom-plan p {
  margin: 0;
  color: var(--text-body);
  max-width: 640px;
}

.plan-features {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px 24px;
  margin-top: 32px;
  padding: 24px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.plan-features span {
  font-size: 0.9rem;
  color: var(--text-body);
  font-weight: 600;
}

.plan-features span::before {
  content: "✓ ";
  color: var(--sulnet-orange);
  font-weight: 700;
}

/* FAQ */
.faq {
  max-width: 760px;
  margin: 0 auto;
}

.faq__item {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  margin-bottom: 12px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.faq__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
  font-family: var(--font-heading);
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--text);
}

.faq__question::after {
  content: "+";
  color: var(--sulnet-orange);
  font-size: 1.4rem;
  line-height: 1;
  flex-shrink: 0;
}

.faq__item.is-open .faq__question::after {
  content: "−";
}

.faq__answer {
  padding: 0 20px 18px;
  color: var(--text-body);
  font-size: 0.92rem;
}

.faq__answer[hidden] {
  display: none;
}

/* Timeline */
.timeline {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  position: relative;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 28px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: var(--border-strong);
  z-index: 0;
}

.timeline__step {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 0 8px;
}

.timeline__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  margin-bottom: 14px;
  border-radius: 50%;
  background: var(--sulnet-orange);
  color: #fff;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.1rem;
  box-shadow: var(--shadow-orange);
}

.timeline__step h3 {
  margin: 0 0 8px;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  color: var(--text);
}

.timeline__step p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--text-body);
}

/* Footer */
.footer {
  padding: 48px 0;
  background: var(--bg-soft);
  border-top: 1px solid var(--border);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 32px;
  align-items: start;
}

.footer__address {
  margin-top: 4px;
}

.footer__support {
  margin: 12px 0 0;
  font-size: 0.88rem;
  color: var(--text-body);
}

.footer__support a {
  color: var(--sulnet-blue);
  font-weight: 600;
}

.footer__brand p {
  margin: 12px 0 0;
  font-size: 0.88rem;
  color: var(--text-body);
}

.footer__brand img {
  height: 38px;
  width: auto;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__links a {
  color: var(--sulnet-blue);
  font-weight: 600;
  font-size: 0.92rem;
}

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

.footer__legal p {
  margin: 0 0 8px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer__legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 12px;
}

.footer__legal-links a {
  color: var(--sulnet-blue);
  font-size: 0.85rem;
}

.footer__legal-links a:hover {
  color: var(--sulnet-orange);
}

/* WhatsApp floating widget */
.wa-widget {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 200;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
}

.wa-widget__panel {
  width: min(320px, calc(100vw - 40px));
  padding: 20px 20px 18px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.16);
  animation: wa-slide-up 0.35s ease;
}

.wa-widget__panel[hidden] {
  display: none;
}

.wa-widget__close {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: var(--bg-soft);
  border-radius: 50%;
  color: var(--text-muted);
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
}

.wa-widget__close:hover {
  color: var(--text);
  background: var(--border);
}

.wa-widget__title {
  margin: 0 28px 8px 0;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
}

.wa-widget__text {
  margin: 0 0 16px;
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--text-body);
}

.wa-widget__cta {
  font-size: 0.92rem;
  padding: 12px 20px;
}

.wa-widget__toggle {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  cursor: pointer;
  box-shadow: 0 8px 28px rgba(37, 211, 102, 0.45);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.wa-widget__toggle:hover {
  transform: scale(1.05);
  box-shadow: 0 12px 32px rgba(37, 211, 102, 0.5);
}

.wa-widget__toggle[aria-expanded="true"] {
  background: #1fb855;
}

.wa-widget__icon {
  display: block;
}

@keyframes wa-slide-up {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 600px) {
  .wa-widget {
    right: 16px;
    bottom: 16px;
  }

  .wa-widget__toggle {
    width: 56px;
    height: 56px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .wa-widget__panel {
    animation: none;
  }

  .wa-widget__toggle:hover {
    transform: none;
  }
}

@media (max-width: 1200px) {
  .plans-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 1100px) {
  .cards--3,
  .cards--4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .timeline {
    grid-template-columns: repeat(3, 1fr);
  }

  .timeline::before {
    display: none;
  }
}

@media (max-width: 900px) {
  .nav-toggle {
    display: flex;
  }

  .nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    padding: 24px;
    background: #fff;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.25s, opacity 0.25s;
  }

  .nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav__cta {
    text-align: center;
  }

  .plans-grid {
    display: flex;
    gap: 16px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding-bottom: 8px;
    -webkit-overflow-scrolling: touch;
  }

  .plan-card {
    flex: 0 0 min(88vw, 300px);
    scroll-snap-align: start;
  }

  .cards--3,
  .cards--4,
  .cards--2,
  .footer__grid {
    grid-template-columns: 1fr;
  }

  .custom-plan {
    flex-direction: column;
    align-items: stretch;
  }

  .timeline {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

@media (max-width: 600px) {
  .container {
    width: calc(100% - 32px);
  }

  .logo__product {
    display: none;
  }
}