/* ============================================================
   FIBRAMAX — Landing Page
   Mobile-first CSS | Outfit font | Design system do briefing
   ============================================================ */

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Outfit', sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  color: #090909;
  background: #F2F2F2;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.25s ease;
}

ul, ol { list-style: none; }

/* ---------- CSS VARIABLES ---------- */
:root {
  --color-primary: #E30613;
  --color-primary-dark: #8F0008;
  --color-primary-light: #ff4d5a;
  --color-black: #090909;
  --color-white: #FFFFFF;
  --color-gray-dark: #1C1C1C;
  --color-gray-medium: #6B6B6B;
  --color-gray-light: #F2F2F2;
  --color-gray-border: #E0E0E0;
  --color-success: #25D366;
  --gradient-brand: linear-gradient(135deg, #090909 0%, #1C1C1C 45%, #8F0008 75%, #E30613 100%);
  --gradient-hero: linear-gradient(135deg, #090909 0%, #1C1C1C 30%, #8F0008 60%, #E30613 100%);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.12);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.16);
  --shadow-glow: 0 0 30px rgba(227,6,19,0.3);
  --container-max: 1200px;
  --header-height: 72px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- CONTAINER ---------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

/* ---------- TYPOGRAPHY ---------- */
h1 { font-size: 2rem; line-height: 1.2; font-weight: 800; }
h2 { font-size: 1.75rem; line-height: 1.25; font-weight: 700; }
h3 { font-size: 1.25rem; line-height: 1.3; font-weight: 600; }
h4 { font-size: 1.1rem; line-height: 1.3; font-weight: 600; }
p { color: inherit; }

.text-accent { color: var(--color-primary); }

/* ---------- SECTION ---------- */
.section {
  padding: 3rem 0;
}

.section__header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 2.5rem;
}

.section__tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-primary);
  background: rgba(227,6,19,0.08);
  padding: 0.35rem 1rem;
  border-radius: 50px;
  margin-bottom: 0.75rem;
}

.section__title {
  margin-bottom: 0.75rem;
}

.section__subtitle {
  color: var(--color-gray-medium);
  font-size: 1rem;
}

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.9rem 1.8rem;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.btn--primary:hover,
.btn--primary:focus-visible {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

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

.btn--outline:hover,
.btn--outline:focus-visible {
  background: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn--sm {
  padding: 0.5rem 1.2rem;
  font-size: 0.85rem;
}

.btn--lg {
  padding: 1.1rem 2.2rem;
  font-size: 1.05rem;
}

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

.btn__icon {
  flex-shrink: 0;
}

/* ============================================================
   HEADER
   ============================================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  transition: background var(--transition), box-shadow var(--transition);
}

.header.is-scrolled {
  background: rgba(9,9,9,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 12px rgba(0,0,0,0.2);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.header__logo {
  display: flex;
  flex-direction: column;
  font-weight: 800;
  font-style: italic;
  color: var(--color-white);
  z-index: 1001;
  line-height: 1;
}

.header__logo-text {
  display: block;
  font-size: 2.5rem;
  letter-spacing: 0.05em;
}

.header__logo-sub {
  font-size: 0.65rem;
  font-weight: 500;
  font-style: italic;
  letter-spacing: 0.2em;
  color: rgba(255,255,255,0.5);
  margin-top: 4px;
}

.header__logo-accent {
  color: var(--color-primary);
}

.header__nav {
  display: none;
  align-items: center;
  gap: 1.75rem;
}

.header__link {
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255,255,255,0.8);
  transition: color var(--transition);
}

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

.header__cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: var(--color-white) !important;
  padding: 0.5rem 1.2rem;
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-primary);
  text-decoration: none;
  transition: var(--transition);
  white-space: nowrap;
}

.header__cta-btn:hover,
.header__cta-btn:focus-visible {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-glow);
}

.header__burger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 1001;
}

.header__burger-line {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: all var(--transition);
  transform-origin: center;
}

.header__burger.is-active .header__burger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.header__burger.is-active .header__burger-line:nth-child(2) {
  opacity: 0;
}
.header__burger.is-active .header__burger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile nav overlay */
.header__nav.is-open {
  display: flex;
  flex-direction: column;
  position: fixed;
  inset: 0;
  background: rgba(9,9,9,0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  justify-content: center;
  align-items: center;
  gap: 2rem;
  z-index: 1000;
}

.header__nav.is-open .header__link {
  font-size: 1.4rem;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--gradient-hero);
  color: var(--color-white);
  padding-top: var(--header-height);
}

.hero__bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 70% 40%, rgba(227,6,19,0.15) 0%, transparent 60%),
              radial-gradient(ellipse at 30% 80%, rgba(143,0,8,0.12) 0%, transparent 50%);
  pointer-events: none;
}

.hero__inner {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.hero__content {
  max-width: 100%;
}

.hero__badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: rgba(255,255,255,0.8);
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  padding: 0.35rem 1rem;
  border-radius: 50px;
  margin-bottom: 1rem;
}

.hero__title {
  font-size: clamp(1.25rem, 3vw + 1rem, 2.75rem);
  line-height: 1.25;
  font-weight: 900;
  margin-bottom: 1rem;
}

@media (max-width: 639px) {
  .hero__title {
    max-width: 320px;
  }
}

.hero__title-accent {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: 1.05rem;
  line-height: 1.65;
  color: rgba(255,255,255,0.75);
  margin-bottom: 1.5rem;
  max-width: 520px;
}

.hero__subtitle strong {
  color: var(--color-white);
  font-weight: 700;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.hero__actions .btn--outline {
  color: var(--color-white);
  border-color: rgba(255,255,255,0.35);
}

.hero__actions .btn--outline:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.hero__stat {
  display: flex;
  flex-direction: column;
}

.hero__stat--divider {
  border-left: 1px solid rgba(255,255,255,0.1);
  border-right: 1px solid rgba(255,255,255,0.1);
  padding-left: 0.75rem;
  padding-right: 0.75rem;
}

.hero__stat-value {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--color-white);
}

.hero__stat-label {
  font-size: 0.72rem;
  color: rgba(255,255,255,0.55);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.hero__visual {
  position: relative;
  display: flex;
  justify-content: center;
}

.hero__illustration {
  width: 100%;
  max-width: 440px;
  aspect-ratio: 1;
  filter: drop-shadow(0 20px 60px rgba(0,0,0,0.3));
}

.hero__illustration-svg {
  width: 100%;
  height: 100%;
}

.hero__wave {
  animation: waveFlow 4s ease-in-out infinite;
}
.hero__wave--1 { animation-delay: 0s; }
.hero__wave--2 { animation-delay: 0.5s; }
.hero__wave--3 { animation-delay: 1s; }

@keyframes waveFlow {
  0%, 100% { transform: translateX(0); }
  50% { transform: translateX(10px); }
}

.hero__wifi-dot {
  animation: wifiPulse 2s ease-in-out infinite;
}
.hero__wifi-arc {
  animation: wifiPulse 2s ease-in-out infinite;
}
.hero__wifi-arc--1 { animation-delay: 0s; }
.hero__wifi-arc--2 { animation-delay: 0.3s; }
.hero__wifi-arc--3 { animation-delay: 0.6s; }

@keyframes wifiPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* Legacy image support */
.hero__image {
  width: 100%;
  max-width: 480px;
  border-radius: var(--radius-xl);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

.hero__floating-card {
  position: absolute;
  bottom: 1rem;
  left: 0.75rem;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: var(--radius-md);
  padding: 0.65rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-black);
  font-size: 0.82rem;
  font-weight: 600;
  box-shadow: var(--shadow-md);
  animation: floatCard 3s ease-in-out infinite;
}

.hero__floating-card svg {
  color: #25D366;
  flex-shrink: 0;
}

@keyframes floatCard {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

/* ============================================================
   BENEFITS
   ============================================================ */
.benefits {
  background: var(--color-white);
}

.benefits__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.benefit-card {
  background: var(--color-gray-light);
  border: 1px solid var(--color-gray-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  transition: all var(--transition);
}

.benefit-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}

.benefit-card__icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: rgba(227,6,19,0.08);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

.benefit-card__title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--color-black);
}

.benefit-card__text {
  font-size: 0.9rem;
  color: var(--color-gray-medium);
  line-height: 1.55;
}

/* ============================================================
   STATS
   ============================================================ */
.stats {
  background: var(--color-gray-light);
  padding: 2rem 0;
}

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

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 1.25rem 0.5rem;
  border-radius: var(--radius-lg);
  background: var(--color-white);
  border: 1px solid var(--color-gray-border);
  transition: all var(--transition);
}

.stat-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}

.stat-item__icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(227,6,19,0.08);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.75rem;
}

.stat-item__value {
  display: flex;
  align-items: baseline;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-black);
  margin-bottom: 0.25rem;
}

.stat-item__currency {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-primary);
}

.stat-item__decimals {
  font-size: 1rem;
  font-weight: 600;
}

.stat-item__text {
  font-size: 1.1rem;
}

.stat-item__label {
  font-size: 0.78rem;
  color: var(--color-gray-medium);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ============================================================
   PLANS
   ============================================================ */
.plans {
  background: var(--color-gray-light);
}

.plans__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  max-width: 720px;
  margin: 0 auto;
}

.plan-card {
  position: relative;
  background: var(--color-white);
  border: 2px solid var(--color-gray-border);
  border-radius: var(--radius-xl);
  padding: 2rem 1.5rem;
  transition: all var(--transition);
}

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

.plan-card--featured {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px var(--color-primary), var(--shadow-md);
}

.plan-card__badge {
  position: absolute;
  top: -12px;
  right: 1.25rem;
  background: var(--color-primary);
  color: var(--color-white);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.3rem 0.85rem;
  border-radius: 50px;
}

.plan-card__badge--pro {
  background: var(--color-black);
}

.plan-card__header {
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--color-gray-border);
}

.plan-card__name {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-black);
  margin-bottom: 0.5rem;
}

.plan-card__price {
  display: flex;
  align-items: baseline;
  gap: 0.25rem;
  flex-wrap: wrap;
}

.plan-card__currency {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--color-primary);
}

.plan-card__amount {
  font-size: 3rem;
  font-weight: 900;
  color: var(--color-black);
  line-height: 1;
}

.plan-card__decimals {
  font-size: 1.5rem;
  font-weight: 700;
}

.plan-card__period {
  font-size: 0.85rem;
  color: var(--color-gray-medium);
  margin-left: 0.25rem;
}

.plan-card__features {
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.feature {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.92rem;
  color: var(--color-gray-dark);
}

.feature__check {
  color: var(--color-primary);
  flex-shrink: 0;
}

/* ============================================================
   COMPARISON
   ============================================================ */
.comparison {
  background: var(--color-white);
}

.comparison__table-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-gray-border);
}

.comparison__table {
  width: 100%;
  min-width: 480px;
  border-collapse: collapse;
}

.comparison__table thead {
  background: var(--color-black);
  color: var(--color-white);
}

.comparison__table th,
.comparison__table td {
  padding: 1rem 1.25rem;
  text-align: center;
  font-size: 0.92rem;
}

.comparison__feature {
  text-align: left;
  font-weight: 600;
  color: var(--color-gray-dark);
  white-space: nowrap;
}

.comparison__table thead .comparison__feature {
  color: rgba(255,255,255,0.6);
}

.comparison__brand--fibra .comparison__brand-name {
  color: var(--color-primary-light);
  font-weight: 700;
}

.comparison__highlight {
  color: var(--color-primary);
}

.comparison__icon--yes {
  color: var(--color-success);
  vertical-align: middle;
  margin-right: 0.25rem;
}

.comparison__table tbody tr {
  border-bottom: 1px solid var(--color-gray-border);
}

.comparison__table tbody tr:last-child {
  border-bottom: none;
}

.comparison__table tbody tr:nth-child(even) {
  background: var(--color-gray-light);
}

.comparison__table tbody tr:hover {
  background: rgba(227,6,19,0.03);
}

/* ============================================================
   REFERRALS
   ============================================================ */
.referrals {
  background: var(--color-gray-light);
}

.referrals__inner {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  align-items: center;
}

.referrals__content {
  text-align: center;
}

.referrals__icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 1rem;
  border-radius: 50%;
  background: rgba(227,6,19,0.08);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.referrals__title {
  font-size: 1.75rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
  color: var(--color-black);
}

.referrals__text {
  font-size: 1rem;
  color: var(--color-gray-medium);
  margin-bottom: 2rem;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.65;
}

.referrals__text strong {
  color: var(--color-black);
}

.referrals__steps {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
}

.referral-step {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-gray-dark);
}

.referral-step__number {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  flex-shrink: 0;
}

.referrals__visual {
  display: flex;
  justify-content: center;
}

.referrals__gift-card {
  width: 220px;
  height: 220px;
  border-radius: var(--radius-xl);
  background: var(--gradient-brand);
  color: var(--color-white);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  box-shadow: var(--shadow-lg);
  transform: rotate(-3deg);
  transition: transform var(--transition);
}

.referrals__gift-card:hover {
  transform: rotate(0deg) scale(1.03);
}

.referrals__gift-text {
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: 0.05em;
}

.referrals__gift-sub {
  font-size: 0.82rem;
  opacity: 0.75;
}

/* ============================================================
   TESTIMONIALS
   ============================================================ */
.testimonials {
  background: var(--color-white);
}

.testimonials__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.testimonial-card {
  background: var(--color-gray-light);
  border: 1px solid var(--color-gray-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  transition: all var(--transition);
}

.testimonial-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}

.testimonial-card__stars {
  display: flex;
  gap: 0.15rem;
  margin-bottom: 0.75rem;
}

.testimonial-card__text {
  font-size: 0.95rem;
  color: var(--color-gray-dark);
  line-height: 1.6;
  margin-bottom: 1.25rem;
  font-style: italic;
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.testimonial-card__avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.testimonial-card__avatar--carlos {
  background: linear-gradient(135deg, #E30613, #8F0008);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 700;
}

.testimonial-card__avatar--maria {
  background: linear-gradient(135deg, #1C1C1C, #090909);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 700;
}

.testimonial-card__avatar--andres {
  background: linear-gradient(135deg, #8F0008, #E30613);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 700;
}

.testimonial-card__name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-black);
}

.testimonial-card__role {
  font-size: 0.8rem;
  color: var(--color-gray-medium);
}

/* ============================================================
   FAQ
   ============================================================ */
.faq {
  background: var(--color-gray-light);
}

.faq__list {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.faq-item {
  background: var(--color-white);
  border: 1px solid var(--color-gray-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition);
}

.faq-item.is-active {
  border-color: var(--color-primary);
}

.faq-item__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.15rem 1.25rem;
  background: none;
  border: none;
  cursor: pointer;
  font-family: 'Outfit', sans-serif;
  text-align: left;
  transition: background var(--transition);
}

.faq-item__trigger:hover {
  background: rgba(227,6,19,0.02);
}

.faq-item__question {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-black);
}

.faq-item__icon {
  flex-shrink: 0;
  color: var(--color-gray-medium);
  transition: transform var(--transition), color var(--transition);
}

.faq-item.is-active .faq-item__icon {
  transform: rotate(180deg);
  color: var(--color-primary);
}

.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
}

.faq-item.is-active .faq-item__answer {
  max-height: 300px;
}

.faq-item__answer p {
  padding: 0 1.25rem 1.25rem;
  font-size: 0.92rem;
  color: var(--color-gray-medium);
  line-height: 1.65;
}

/* ============================================================
   TECH SPECS
   ============================================================ */
.techspecs {
  background: var(--color-white);
}

.techspecs__inner {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  align-items: center;
}

.techspecs__content {
  width: 100%;
}

.techspecs__list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.techspec-item {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
}

.techspec-item svg {
  flex-shrink: 0;
  margin-top: 0.15rem;
}

.techspec-item__title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-black);
  margin-bottom: 0.2rem;
}

.techspec-item__text {
  font-size: 0.88rem;
  color: var(--color-gray-medium);
  line-height: 1.55;
}

.techspecs__visual img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  max-width: 100%;
}

.techspecs__illustration {
  width: 100%;
  max-width: 500px;
}

.techspecs__svg {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

/* ============================================================
   FINAL CTA
   ============================================================ */
.final-cta {
  background: var(--color-gray-light);
  padding: 4rem 0;
}

.final-cta__inner {
  position: relative;
  text-align: center;
  background: var(--gradient-hero);
  border-radius: var(--radius-xl);
  padding: 3rem 1.5rem;
  overflow: hidden;
  color: var(--color-white);
}

.final-cta__bg-image {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(227,6,19,0.2) 0%, transparent 60%);
  pointer-events: none;
}

.final-cta__title {
  position: relative;
  font-size: 1.75rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.final-cta__subtitle {
  position: relative;
  font-size: 1rem;
  color: rgba(255,255,255,0.75);
  margin-bottom: 2rem;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

.final-cta__actions {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
}

.final-cta__actions .btn--outline {
  color: var(--color-white);
  border-color: rgba(255,255,255,0.35);
}

.final-cta__actions .btn--outline:hover {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.6);
}

/* ============================================================
   CONTACT / FORM
   ============================================================ */
.contact {
  background: var(--color-white);
}

.contact__inner {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.contact__text {
  font-size: 1rem;
  color: var(--color-gray-medium);
  margin-bottom: 1.5rem;
  line-height: 1.65;
}

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

.contact__detail {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.92rem;
  color: var(--color-gray-dark);
}

.contact__detail svg {
  color: var(--color-primary);
  flex-shrink: 0;
}

.contact__form-wrapper {
  background: var(--color-gray-light);
  border: 1px solid var(--color-gray-border);
  border-radius: var(--radius-xl);
  padding: 2rem 1.5rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-gray-dark);
  margin-bottom: 0.4rem;
}

.form-input {
  width: 100%;
  padding: 0.85rem 1rem;
  font-family: 'Outfit', sans-serif;
  font-size: 1rem;
  color: var(--color-black);
  background: var(--color-white);
  border: 2px solid var(--color-gray-border);
  border-radius: var(--radius-md);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-input::placeholder {
  color: var(--color-gray-medium);
  opacity: 0.6;
}

.form-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(227,6,19,0.1);
}

.form-input.has-error {
  border-color: var(--color-primary);
}

.form-error {
  display: block;
  font-size: 0.8rem;
  color: var(--color-primary);
  margin-top: 0.35rem;
  min-height: 0;
  overflow: hidden;
  transition: min-height 0.25s ease;
}

.form-error.is-visible {
  min-height: 1.2em;
}

.contact__submit {
  margin-top: 0.5rem;
}

.contact__form-note {
  text-align: center;
  font-size: 0.82rem;
  color: var(--color-gray-medium);
  margin-top: 1rem;
}

.contact__success {
  text-align: center;
  padding: 2rem 0;
}

.contact__success-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 1rem;
  border-radius: 50%;
  background: rgba(37,211,102,0.1);
  color: #25D366;
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact__success h3 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-black);
  margin-bottom: 0.5rem;
}

.contact__success p {
  color: var(--color-gray-medium);
  margin-bottom: 1.25rem;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--color-gray-dark);
  color: rgba(255,255,255,0.7);
  padding: 2.5rem 0 1.5rem;
}

.footer__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer__logo-wrap {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.footer__logo {
  font-size: 1.35rem;
  font-weight: 800;
  font-style: italic;
  letter-spacing: 0.05em;
  color: var(--color-white);
}

.footer__logo-sub {
  font-size: 0.5rem;
  font-weight: 500;
  font-style: normal;
  letter-spacing: 0.15em;
  color: rgba(255,255,255,0.4);
}

.footer__logo-accent {
  color: var(--color-primary);
}

.footer__tagline {
  font-size: 0.88rem;
  line-height: 1.55;
  max-width: 320px;
}

.footer__links-title {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.footer__link {
  display: block;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.6);
  padding: 0.2rem 0;
  transition: color var(--transition);
}

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

.footer__contact-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.92rem;
  color: rgba(255,255,255,0.6);
  transition: color var(--transition);
}

.footer__contact-link:hover {
  color: var(--color-white);
}

.footer__contact-link svg {
  color: var(--color-success);
}

.footer__bottom {
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.footer__copyright {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.4);
  text-align: center;
}

/* ============================================================
   WHATSAPP FLOAT
   ============================================================ */
.whatsapp-float {
  position: fixed;
  bottom: 1.25rem;
  right: 1.25rem;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25D366;
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(37,211,102,0.4);
  z-index: 999;
  transition: transform var(--transition), box-shadow var(--transition);
  animation: pulse 2.5s infinite;
}

.whatsapp-float:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 24px rgba(37,211,102,0.5);
}

@keyframes pulse {
  0% { box-shadow: 0 4px 16px rgba(37,211,102,0.4); }
  50% { box-shadow: 0 4px 16px rgba(37,211,102,0.4), 0 0 0 12px rgba(37,211,102,0.12); }
  100% { box-shadow: 0 4px 16px rgba(37,211,102,0.4); }
}

/* ============================================================
   SCROLL ANIMATIONS
   ============================================================ */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.stagger-children .fade-in:nth-child(1) { transition-delay: 0s; }
.stagger-children .fade-in:nth-child(2) { transition-delay: 0.1s; }
.stagger-children .fade-in:nth-child(3) { transition-delay: 0.2s; }
.stagger-children .fade-in:nth-child(4) { transition-delay: 0.3s; }
.stagger-children .fade-in:nth-child(5) { transition-delay: 0.35s; }
.stagger-children .fade-in:nth-child(6) { transition-delay: 0.4s; }

/* ============================================================
   RESPONSIVE — TABLET (>= 640px)
   ============================================================ */
@media (min-width: 640px) {
  .container {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }

  .section { padding: 3.5rem 0; }

  h1 { font-size: 2.25rem; }
  h2 { font-size: 2rem; }

  .hero { padding-top: calc(var(--header-height) + 4rem); }
  .hero__subtitle { font-size: 1.1rem; }

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

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

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

  .referrals__steps {
    flex-direction: row;
    justify-content: center;
  }

  .final-cta__inner { padding: 3.5rem 2rem; }
  .final-cta__title { font-size: 2rem; }
}

/* ============================================================
   RESPONSIVE — DESKTOP (>= 1024px)
   ============================================================ */
@media (min-width: 1024px) {
  .container { padding-left: 2rem; padding-right: 2rem; }

  .section { padding: 5rem 0; }

  h1 { font-size: 3rem; }
  h2 { font-size: 2.25rem; }

  /* Header: show nav */
  .header__nav { display: flex; }
  .header__burger { display: none; }

  /* Hero: side by side */
  .hero { padding-top: calc(var(--header-height) + 5rem); padding-bottom: 5rem; }
  .hero__inner {
    flex-direction: row;
    align-items: center;
    gap: 3rem;
  }
  .hero__content { flex: 1; }
  .hero__visual { flex-shrink: 0; }
  .hero__subtitle { font-size: 1.15rem; }
  .hero__image { max-width: 440px; }
  .hero__stat-value { font-size: 1.25rem; }

  /* Benefits */
  .benefits__grid { grid-template-columns: repeat(3, 1fr); }

  /* Plans */
  .plans__grid { grid-template-columns: repeat(2, 1fr); max-width: 720px; }

  /* Comparison */
  .comparison__table th,
  .comparison__table td { padding: 1.15rem 1.5rem; font-size: 0.95rem; }

  /* Referrals */
  .referrals__inner { flex-direction: row; }
  .referrals__content { text-align: left; flex: 1; }
  .referrals__text { margin-left: 0; margin-right: 0; }
  .referrals__steps { align-items: flex-start; }
  .referrals__visual { flex-shrink: 0; }

  /* Testimonials */
  .testimonials__grid { grid-template-columns: repeat(3, 1fr); }

  /* Tech specs */
  .techspecs__inner { flex-direction: row; align-items: center; }
  .techspecs__content { flex: 1; }
  .techspecs__visual { flex-shrink: 0; }

  /* Contact */
  .contact__inner { flex-direction: row; gap: 3rem; }
  .contact__info { flex: 1; }
  .contact__form-wrapper { flex: 1; min-width: 380px; }

  /* Final CTA */
  .final-cta__inner { padding: 4rem 3rem; }
  .final-cta__title { font-size: 2.25rem; }

  /* Footer */
  .footer__inner { grid-template-columns: 1.5fr 1fr 1fr; }
}

/* ============================================================
   RESPONSIVE — LARGE DESKTOP (>= 1280px)
   ============================================================ */
@media (min-width: 1280px) {
  .hero__title { font-size: 3.5rem; }
  .hero__image { max-width: 500px; }
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
  .fade-in { opacity: 1; transform: none; }
  .whatsapp-float { animation: none; }
}

/* ============================================================
   PRINT
   ============================================================ */
@media print {
  .header, .whatsapp-float { display: none; }
  body { color: #000; background: #fff; }
  .hero { background: #fff; color: #000; }
}