/* ========================================
   Marcean — Device Management Agency
   Single-page stylesheet
   ======================================== */

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

:root {
  --color-bg: #faf6f0;
  --color-bg-alt: #f0ebe3;
  --color-bg-dark: #1d2b3a;
  --color-fg: #1d2b3a;
  --color-fg-muted: #4a5568;
  --color-fg-light: #f5efe4;
  --color-accent: #c4a25a;
  --color-border: #e0d9d0;
  --color-whatsapp: #25d366;
  --font: 'DM Sans', system-ui, -apple-system, sans-serif;
  --container: 1120px;
  --radius: 6px;
  --radius-lg: 12px;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-fg);
  background-color: var(--color-bg);
}

::selection {
  background-color: var(--color-accent);
  color: #fff;
}

a {
  color: inherit;
  text-decoration: none;
}

img, svg {
  display: block;
  max-width: 100%;
}

ul {
  list-style: none;
}

/* --- Container --- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* --- Typography --- */
.section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  text-align: center;
  margin-bottom: 0.75rem;
}

.section-sub {
  font-size: 1.05rem;
  color: var(--color-fg-muted);
  text-align: center;
  max-width: 600px;
  margin: 0 auto 3rem;
  line-height: 1.6;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.75rem;
  font-family: var(--font);
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: 2px solid var(--color-fg);
  background-color: var(--color-fg);
  color: var(--color-fg-light);
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
  text-decoration: none;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(29, 43, 58, 0.2);
}

.btn--outline {
  background-color: transparent;
  color: var(--color-fg);
}

.btn--outline:hover {
  background-color: var(--color-fg);
  color: var(--color-fg-light);
}

.btn--sm {
  padding: 0.5rem 1.25rem;
  font-size: 0.85rem;
}

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

/* --- Header --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  transition: transform 0.3s ease;
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.header__logo {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: 2rem;
  font-size: 0.9rem;
  font-weight: 500;
}

.header__nav a:not(.btn) {
  opacity: 0.7;
  transition: opacity 0.15s ease;
}

.header__nav a:not(.btn):hover {
  opacity: 1;
}

.header__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.header__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-fg);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

/* --- Hero --- */
.hero {
  padding: 10rem 0 5rem;
  text-align: center;
}

.hero__inner {
  max-width: 720px;
  margin: 0 auto;
}

.hero__title {
  font-size: clamp(2.5rem, 7vw, 4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin-bottom: 1.25rem;
}

.hero__sub {
  font-size: 1.15rem;
  color: var(--color-fg-muted);
  line-height: 1.6;
  margin-bottom: 2rem;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.hero__actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.hero__proof {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-fg-muted);
  flex-wrap: wrap;
}

.hero__dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background-color: var(--color-accent);
  flex-shrink: 0;
}

/* --- Trust Bar --- */
.trust-bar {
  background-color: var(--color-bg-dark);
  color: var(--color-fg-light);
  padding: 1rem 0;
}

.trust-bar__inner {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.trust-bar__item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.trust-bar__item svg {
  width: 1rem;
  height: 1rem;
  opacity: 0.7;
  flex-shrink: 0;
}

/* --- Services --- */
.services {
  padding: 6rem 0;
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.service-card {
  padding: 2rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(29, 43, 58, 0.08);
}

.service-card__icon {
  width: 2.5rem;
  height: 2.5rem;
  margin-bottom: 1.25rem;
}

.service-card__icon svg {
  width: 100%;
  height: 100%;
  color: var(--color-accent);
}

.service-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  letter-spacing: -0.01em;
}

.service-card p {
  font-size: 0.9rem;
  color: var(--color-fg-muted);
  line-height: 1.6;
}

/* --- How It Works --- */
.how-it-works {
  padding: 6rem 0;
  background-color: var(--color-bg-alt);
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.step {
  text-align: center;
}

.step__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background-color: var(--color-fg);
  color: var(--color-fg-light);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
}

.step h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.step p {
  font-size: 0.875rem;
  color: var(--color-fg-muted);
  line-height: 1.6;
}

/* --- Pricing --- */
.pricing {
  padding: 6rem 0;
}

.pricing__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  align-items: start;
}

.pricing-card {
  position: relative;
  padding: 2.5rem 2rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background-color: var(--color-bg);
}

.pricing-card--featured {
  border-color: var(--color-fg);
  border-width: 2px;
  box-shadow: 0 8px 32px rgba(29, 43, 58, 0.1);
}

.pricing-card__badge {
  position: absolute;
  top: -0.75rem;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-accent);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.3rem 1rem;
  border-radius: 100px;
  white-space: nowrap;
}

.pricing-card__header h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.pricing-card__range {
  font-size: 0.85rem;
  color: var(--color-fg-muted);
  margin-bottom: 1.5rem;
}

.pricing-card__price {
  margin-bottom: 2rem;
}

.pricing-card__amount {
  font-size: 2.75rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
}

.pricing-card__period {
  font-size: 0.85rem;
  color: var(--color-fg-muted);
}

.pricing-card__features {
  margin-bottom: 2rem;
}

.pricing-card__features li {
  padding: 0.4rem 0;
  font-size: 0.9rem;
  padding-left: 1.5rem;
  position: relative;
}

.pricing-card__features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.7rem;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-accent);
  opacity: 0.5;
}

.pricing__enterprise {
  text-align: center;
  margin-top: 2.5rem;
  font-size: 0.95rem;
  color: var(--color-fg-muted);
}

.pricing__enterprise a {
  color: var(--color-fg);
  font-weight: 600;
  border-bottom: 1px solid var(--color-accent);
}

/* --- Contact --- */
.contact {
  padding: 6rem 0;
  background-color: var(--color-bg-alt);
}

.contact__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.contact__text .section-title {
  text-align: left;
}

.contact__text p {
  font-size: 1.05rem;
  color: var(--color-fg-muted);
  line-height: 1.6;
  margin-bottom: 2rem;
}

.contact__channels {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.contact__whatsapp {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-whatsapp);
  font-weight: 600;
  font-size: 0.95rem;
}

.contact__whatsapp svg {
  width: 1.25rem;
  height: 1.25rem;
}

.contact__email {
  font-weight: 500;
  color: var(--color-fg-muted);
  font-size: 0.95rem;
}

.contact__form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
  font-family: var(--font);
  font-size: 0.95rem;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background-color: var(--color-bg);
  color: var(--color-fg);
  transition: border-color 0.15s ease;
}

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

.form-group textarea {
  resize: vertical;
}

/* --- Footer --- */
.footer {
  padding: 3rem 0;
  border-top: 1px solid var(--color-border);
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  text-align: center;
}

.footer__logo {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.footer__brand p {
  font-size: 0.85rem;
  color: var(--color-fg-muted);
  margin-top: 0.25rem;
}

.footer__links {
  display: flex;
  gap: 2rem;
  font-size: 0.85rem;
  font-weight: 500;
}

.footer__links a {
  opacity: 0.6;
  transition: opacity 0.15s ease;
}

.footer__links a:hover {
  opacity: 1;
}

.footer__copy {
  font-size: 0.75rem;
  color: var(--color-fg-muted);
}

/* --- WhatsApp Floating CTA --- */
.whatsapp-cta {
  position: fixed;
  bottom: 1.75rem;
  right: 1.75rem;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3.25rem;
  height: 3.25rem;
  background-color: var(--color-whatsapp);
  color: #fff;
  border-radius: 50%;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.18);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.whatsapp-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.35);
}

.whatsapp-cta svg {
  width: 1.5rem;
  height: 1.5rem;
}

/* --- Scroll Reveal --- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* --- Responsive --- */
@media (max-width: 960px) {
  .services__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .pricing__grid {
    grid-template-columns: 1fr;
    max-width: 420px;
    margin-left: auto;
    margin-right: auto;
  }

  .steps {
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
  }

  .contact__inner {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

@media (max-width: 640px) {
  .header__nav {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    padding: 1.5rem;
    gap: 1rem;
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.3s ease, opacity 0.3s ease;
  }

  .header__nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .header__nav .btn--sm {
    width: 100%;
    text-align: center;
  }

  .header__toggle {
    display: flex;
  }

  .hero {
    padding: 8rem 0 4rem;
  }

  .hero__title {
    font-size: clamp(2rem, 8vw, 3rem);
  }

  .services__grid {
    grid-template-columns: 1fr;
  }

  .steps {
    grid-template-columns: 1fr;
  }

  .trust-bar__inner {
    gap: 0.75rem 1.5rem;
    justify-content: center;
  }

  .trust-bar__item {
    font-size: 0.65rem;
  }

  .whatsapp-cta {
    bottom: 1.25rem;
    right: 1.25rem;
  }
}