/* ═══════════════════════════════════════════════════════
   adsBigger™ — DESIGN SYSTEM CSS
   Instalamos sistemas, no vendemos anuncios.
   Bogotá, Colombia · 2026
   ═══════════════════════════════════════════════════════ */

/* ── 01. CSS VARIABLES (Visual Brain Tokens) ───────── */
:root {
  /* Colors */
  --obsidian: #111111;
  --pure-black: #0A0A0A;
  --charcoal: #1E1E1E;
  --red: #D51A05;
  --blue: #179DFF;
  --deep-blue: #0D3DD9;
  --light: #F4F4F4;
  --stone: #888888;
  --yellow: #F5C518;
  --white: #FFFFFF;
  --green: #25D366;
  --green-glow: rgba(37, 211, 102, 0.45);

  /* Typography */
  --font-headline: 'DM Serif Display', 'Georgia', serif;
  --font-sub: 'EB Garamond', 'Georgia', serif;
  --font-body: 'DM Sans', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'Cascadia Code', monospace;

  /* Spacing */
  --space-xs: 8px;
  --space-sm: 14px;
  --space-md: 24px;
  --space-lg: 48px;
  --space-xl: 80px;
  --space-2xl: 140px;

  /* Layout */
  --max-width: 1280px;
  --content-width: 1200px;
  --padding-x: 32px;

  /* Borders */
  --border-subtle: 1px solid rgba(255, 255, 255, 0.06);
  --border-light: 1px solid rgba(255, 255, 255, 0.08);
  --border-medium: 1px solid rgba(255, 255, 255, 0.15);

  /* Shadows */
  --shadow-sm: 0 2px 16px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 24px 60px rgba(0, 0, 0, 0.4);
  --shadow-red: 0 8px 24px rgba(213, 26, 5, 0.32);
  --shadow-red-hover: 0 14px 38px rgba(213, 26, 5, 0.55);
  --shadow-blue: 0 8px 24px rgba(23, 157, 255, 0.2);

  /* Transitions */
  --ease-out: cubic-bezier(0.2, 0.7, 0.2, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration-fast: 200ms;
  --duration-normal: 300ms;
  --duration-slow: 600ms;
  --duration-reveal: 900ms;

  /* Z-index layers */
  --z-base: 1;
  --z-sticky: 50;
  --z-nav: 60;
  --z-fab: 70;
  --z-modal: 100;
}


/* ── 02. RESET + BASE ──────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  background: var(--obsidian);
  color: var(--white);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  line-height: 1.5;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea { font-family: inherit; }

::selection {
  background: var(--red);
  color: var(--white);
}


/* ── 03. TYPOGRAPHY UTILITIES ──────────────────────── */
.sg {
  font-family: var(--font-headline);
  font-weight: 400 !important;
  letter-spacing: -0.015em;
}

.sub {
  font-family: var(--font-sub);
}

.mono {
  font-family: var(--font-mono);
}

.headline-xl {
  font-size: clamp(44px, 7vw, 96px);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -0.035em;
  text-wrap: balance;
}

.headline-lg {
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  text-wrap: balance;
}

.headline-md {
  font-size: clamp(32px, 4vw, 46px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--stone);
  letter-spacing: 0.25em;
  text-transform: uppercase;
}

.section-label .dot-red { color: var(--red); }
.section-label .dot-blue { color: var(--blue); }


/* ── 04. ANIMATIONS ────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeDown {
  from { opacity: 0; transform: translateY(-16px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pulseWa {
  0%, 100% {
    transform: scale(1);
    box-shadow: 0 4px 20px var(--green-glow);
  }
  50% {
    transform: scale(1.08);
    box-shadow: 0 8px 36px rgba(37, 211, 102, 0.6);
  }
}

@keyframes scrollCue {
  0% { transform: translateY(0); opacity: 0.9; }
  100% { transform: translateY(10px); opacity: 0; }
}

@keyframes gridDrift {
  0% { background-position: 0 0; }
  100% { background-position: 0 40px; }
}

@keyframes blink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

@keyframes barFill {
  from { width: 0; }
  to { width: var(--w); }
}

@keyframes pop {
  0% { transform: scale(0.8); opacity: 0; }
  60% { transform: scale(1.08); opacity: 1; }
  100% { transform: scale(1); opacity: 1; }
}

@keyframes slideIn {
  from { opacity: 0; transform: translateX(-20px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

/* Reveal on scroll */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--duration-reveal) var(--ease-out),
              transform var(--duration-reveal) var(--ease-out);
  will-change: transform, opacity;
}

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


/* ── 05. LAYOUT ────────────────────────────────────── */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-left: var(--padding-x);
  padding-right: var(--padding-x);
}

.container-narrow {
  max-width: var(--content-width);
  margin: 0 auto;
  padding-left: var(--padding-x);
  padding-right: var(--padding-x);
}

.section-dark {
  background: var(--obsidian);
  color: var(--white);
  padding: var(--space-2xl) var(--padding-x);
}

.section-light {
  background: var(--light);
  color: var(--pure-black);
  padding: var(--space-2xl) var(--padding-x);
}

.section-red {
  background: var(--red);
  color: var(--white);
  padding: var(--space-2xl) var(--padding-x);
  position: relative;
  overflow: hidden;
}

.section-red::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.12;
  background: repeating-linear-gradient(
    45deg,
    rgba(0, 0, 0, 0.4) 0 2px,
    transparent 2px 8px
  );
  pointer-events: none;
}


/* ── 06. BUTTONS ────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 26px;
  border-radius: 8px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  transition: all var(--duration-normal) ease;
  cursor: pointer;
  border: none;
  line-height: 1;
}

.btn-red {
  background: var(--red);
  color: var(--white);
  box-shadow: var(--shadow-red);
}

.btn-red:hover {
  transform: scale(1.04);
  box-shadow: var(--shadow-red-hover);
}

.btn-blue {
  background: transparent;
  color: var(--blue);
  border: 2px solid var(--blue);
}

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

.btn-ghost {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--white);
}

.btn-ghost:hover {
  border-color: rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.04);
}

.btn-dark {
  background: var(--pure-black);
  color: var(--white);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
}

.btn-dark:hover {
  transform: scale(1.04);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.5);
}


/* ── 07. BADGE ─────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(30, 30, 30, 0.8);
  padding: 8px 14px;
  border-radius: 99px;
  font-size: 12px;
  backdrop-filter: blur(6px);
}

.badge-blue {
  border: 1px solid rgba(23, 157, 255, 0.35);
  color: var(--blue);
}

.badge-red {
  border: 1px solid rgba(213, 26, 5, 0.4);
  color: var(--red);
}

.badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 99px;
}

.badge-blue .dot {
  background: var(--blue);
  box-shadow: 0 0 8px var(--blue);
}

.badge-red .dot {
  background: var(--red);
  box-shadow: 0 0 8px var(--red);
}


/* ── 08. CARDS ─────────────────────────────────────── */
.card-dark {
  background: linear-gradient(180deg, #1a1a1a, #0f0f0f);
  border: var(--border-light);
  border-radius: 14px;
  overflow: hidden;
}

.card-white {
  background: var(--white);
  border: 1px solid #E0E0E0;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}


/* ── 09. INPUTS ────────────────────────────────────── */
.input {
  width: 100%;
  background: #151515;
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--white);
  padding: 13px 15px;
  border-radius: 8px;
  font-size: 15px;
  font-family: var(--font-body);
  outline: none;
  transition: border-color var(--duration-fast) ease;
}

.input:focus {
  border-color: var(--red);
}

.input-label {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--stone);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 6px;
}


/* ── 10. NAVBAR ────────────────────────────────────── */
.navbar {
  position: sticky;
  top: 0;
  z-index: var(--z-nav);
  background: rgba(16, 16, 16, 0.55);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: var(--border-subtle);
  transition: all 250ms ease;
}

.navbar.scrolled {
  background: rgba(16, 16, 16, 0.88);
  border-bottom-color: rgba(255, 255, 255, 0.08);
}

.navbar-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 14px var(--padding-x);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--white);
}

.navbar-logo-icon {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  background: var(--red);
  color: var(--white);
  border-radius: 6px;
  font-family: var(--font-headline);
  font-size: 17px;
}

.navbar-logo-text {
  font-family: var(--font-headline);
  font-size: 20px;
}

.navbar-logo-text sup {
  font-size: 9px;
  color: var(--stone);
  margin-left: 2px;
}

.navbar-links {
  display: flex;
  gap: 28px;
  align-items: center;
}

.navbar-link {
  color: #cfcfcf;
  font-size: 14px;
  font-weight: 500;
  transition: color var(--duration-fast) ease;
}

.navbar-link:hover {
  color: var(--blue);
}

.navbar-cta {
  background: var(--red);
  color: var(--white);
  padding: 11px 18px;
  border-radius: 8px;
  font-family: var(--font-headline);
  font-size: 14px;
  transition: all var(--duration-normal) ease;
  box-shadow: 0 4px 14px rgba(213, 26, 5, 0.25);
}

.navbar-cta:hover {
  transform: scale(1.04);
  box-shadow: 0 8px 28px rgba(213, 26, 5, 0.45);
}

/* Hamburger */
.navbar-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  z-index: var(--z-nav);
}

.navbar-hamburger span {
  width: 22px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--duration-normal) ease;
}

.navbar-hamburger.open span:nth-child(1) {
  transform: rotate(45deg) translateY(5px) translateX(5px);
}
.navbar-hamburger.open span:nth-child(2) {
  opacity: 0;
}
.navbar-hamburger.open span:nth-child(3) {
  transform: rotate(-45deg) translateY(-5px) translateX(5px);
}

/* Mobile menu */
.navbar-mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(10, 10, 10, 0.97);
  backdrop-filter: blur(20px);
  z-index: 59;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
}

.navbar-mobile-menu.open {
  display: flex;
}

.navbar-mobile-menu a {
  font-family: var(--font-headline);
  font-size: 28px;
  color: var(--white);
  transition: color var(--duration-fast) ease;
}

.navbar-mobile-menu a:hover {
  color: var(--blue);
}


/* ── 11. FOOTER ────────────────────────────────────── */
.footer {
  background: var(--pure-black);
  color: #ddd;
  padding: 64px var(--padding-x) 28px;
  border-top: var(--border-subtle);
}

.footer-grid {
  max-width: var(--content-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
}

.footer-brand-handle {
  margin-top: 18px;
  color: var(--blue);
  font-family: var(--font-headline);
  font-size: 18px;
  font-weight: 600;
}

.footer-col-title {
  font-family: var(--font-mono);
  font-size: 10px;
  color: #666;
  letter-spacing: 0.25em;
  text-transform: uppercase;
}

.footer-col-links {
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col-links a {
  color: #ddd;
  font-size: 14px;
  transition: color var(--duration-fast) ease;
}

.footer-col-links a:hover {
  color: var(--blue);
}

.footer-bottom {
  max-width: var(--content-width);
  margin: 56px auto 0;
  padding-top: 22px;
  border-top: var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
}

.footer-bottom span {
  font-family: var(--font-mono);
  font-size: 11px;
  color: #666;
}


/* ── 12. WHATSAPP FAB ──────────────────────────────── */
.wa-fab {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 56px;
  height: 56px;
  border-radius: 99px;
  background: var(--green);
  display: grid;
  place-items: center;
  text-decoration: none;
  box-shadow: 0 6px 24px var(--green-glow);
  z-index: var(--z-fab);
  animation: pulseWa 2.2s ease-in-out infinite;
  transition: transform var(--duration-fast) ease;
}

.wa-fab:hover {
  transform: scale(1.12);
}

.wa-fab-tooltip {
  position: absolute;
  right: 68px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--pure-black);
  color: var(--white);
  padding: 10px 14px;
  border-radius: 8px;
  font-family: var(--font-headline);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 700;
  white-space: nowrap;
  border: var(--border-light);
  pointer-events: none;
}


/* ── 13. MARQUEE ────────────────────────────────────── */
.marquee-strip {
  background: var(--pure-black);
  border-top: var(--border-subtle);
  border-bottom: var(--border-subtle);
  overflow: hidden;
  padding: 18px 0;
}

.marquee-track {
  display: flex;
  white-space: nowrap;
  animation: marquee 38s linear infinite;
  width: max-content;
}

.marquee-item {
  padding: 0 36px;
  font-family: var(--font-headline);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.005em;
  display: inline-flex;
  align-items: center;
  gap: 36px;
}

.marquee-item .sep {
  color: #333;
}


/* ── 14. PLACEHOLDER TEXTURES ──────────────────────── */
.ph-stripes {
  background:
    repeating-linear-gradient(135deg, rgba(255, 255, 255, 0.04) 0 2px, transparent 2px 10px),
    linear-gradient(180deg, #151515, #0c0c0c);
}

.ph-stripes-light {
  background:
    repeating-linear-gradient(135deg, rgba(10, 10, 10, 0.06) 0 2px, transparent 2px 10px),
    #EAEAEA;
}


/* ── 15. GLOW EFFECTS ──────────────────────────────── */
.glow-blue {
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(ellipse at center, rgba(23, 157, 255, 0.16), transparent 65%);
  filter: blur(20px);
  pointer-events: none;
}

.glow-red {
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(ellipse at center, rgba(213, 26, 5, 0.18), transparent 60%);
  filter: blur(30px);
  pointer-events: none;
}

.glow-deep {
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(ellipse at center, rgba(13, 61, 217, 0.28), transparent 60%);
  filter: blur(20px);
  pointer-events: none;
}


/* ── 16. QUIZ / BANT SPECIFIC ──────────────────────── */
.opt {
  cursor: pointer;
  transition: all var(--duration-fast) ease;
}

.opt:hover {
  background: rgba(255, 255, 255, 0.04);
}

.opt.checked {
  background: rgba(213, 26, 5, 0.08);
  border-color: rgba(213, 26, 5, 0.4) !important;
}

.checkbox-box {
  width: 22px;
  height: 22px;
  border: 1.5px solid #444;
  border-radius: 5px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  transition: all var(--duration-fast) ease;
}

.opt.checked .checkbox-box {
  background: var(--red);
  border-color: var(--red);
}

.checkbox-box svg {
  opacity: 0;
  transform: scale(0.5);
  transition: all 150ms ease;
}

.opt.checked .checkbox-box svg {
  opacity: 1;
  transform: scale(1);
}


/* ── 17. MODAL ─────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(6px);
  z-index: var(--z-modal);
  display: grid;
  place-items: center;
  padding: 20px;
  animation: fadeIn 250ms ease;
}

.modal-content {
  background: var(--pure-black);
  border: var(--border-light);
  border-radius: 16px;
  padding: 40px;
  max-width: 480px;
  width: 100%;
  position: relative;
  animation: fadeUp 300ms ease;
}

.modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  background: transparent;
  border: none;
  color: var(--stone);
  font-size: 22px;
  cursor: pointer;
  transition: color var(--duration-fast) ease;
}

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


/* ── 18. SCROLLBAR ─────────────────────────────────── */
.no-scrollbar::-webkit-scrollbar { display: none; }
.no-scrollbar { -ms-overflow-style: none; scrollbar-width: none; }


/* ══════════════════════════════════════════════════════
   19. RESPONSIVE — MOBILE FIRST
   ══════════════════════════════════════════════════════ */

/* ── Tablet and below (≤ 1024px) ──────────────────── */
@media (max-width: 1024px) {
  :root {
    --padding-x: 24px;
    --space-2xl: 100px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

/* ── Mobile (≤ 768px) ─────────────────────────────── */
@media (max-width: 768px) {
  :root {
    --padding-x: 20px;
    --space-2xl: 80px;
    --space-xl: 56px;
  }

  /* Navbar mobile */
  .navbar-links {
    display: none;
  }

  .navbar-cta {
    display: none;
  }

  .navbar-hamburger {
    display: flex;
  }

  /* Footer */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
    margin-top: 36px;
  }

  /* Typography scale down */
  .headline-xl {
    font-size: clamp(36px, 10vw, 52px);
  }

  .headline-lg {
    font-size: clamp(30px, 8vw, 44px);
  }

  .headline-md {
    font-size: clamp(26px, 7vw, 36px);
  }

  /* Buttons stack */
  .btn-group {
    flex-direction: column;
    width: 100%;
  }

  .btn-group .btn {
    width: 100%;
    justify-content: center;
  }

  /* WhatsApp FAB smaller */
  .wa-fab {
    width: 52px;
    height: 52px;
    bottom: 20px;
    right: 16px;
  }

  .wa-fab-tooltip {
    display: none;
  }

  /* Modal */
  .modal-content {
    padding: 28px 22px;
  }
}

/* ── Small mobile (≤ 480px) ───────────────────────── */
@media (max-width: 480px) {
  :root {
    --padding-x: 16px;
    --space-2xl: 64px;
    --space-xl: 44px;
  }

  .headline-xl {
    font-size: clamp(30px, 9vw, 44px);
  }

  .headline-lg {
    font-size: clamp(26px, 7.5vw, 38px);
  }

  .btn {
    padding: 14px 20px;
    font-size: 13px;
  }
}

/* -- 18. RESPONSIVE GRIDS ------------------------ */
.grid-responsive {
  display: grid;
  grid-template-columns: 1fr;
  gap: 56px;
  align-items: center;
}
@media (min-width: 768px) {
  .grid-responsive {
    grid-template-columns: 1.1fr 1fr;
  }
}
.grid-responsive-even {
  display: grid;
  grid-template-columns: 1fr;
  gap: 56px;
  align-items: center;
}
@media (min-width: 768px) {
  .grid-responsive-even {
    grid-template-columns: 1fr 1fr;
  }
}

/* -- 19. STICKY DESKTOP ------------------------ */
.sticky-desktop {
  position: relative;
}
@media (min-width: 768px) {
  .sticky-desktop {
    position: sticky;
    top: 120px;
  }
}