/*
  BecomitBI Landing Page Styles
  - Modern B2B SaaS aesthetic
  - Neutral colors with a tech accent
  - Fully responsive + accessible
*/

/* -----------------------------
   CSS Variables (Design Tokens)
------------------------------ */
:root {
  --bg: #0b1020;
  --bg-elev: #0f1730;
  --surface: rgba(255, 255, 255, 0.06);
  --surface-strong: rgba(255, 255, 255, 0.1);
  --border: rgba(255, 255, 255, 0.12);

  --text: rgba(255, 255, 255, 0.92);
  --muted: rgba(255, 255, 255, 0.72);
  --faint: rgba(255, 255, 255, 0.55);

  --accent: #6ee7ff;      /* tech accent */
  --accent-2: #8b5cf6;    /* secondary accent */
  --danger: #ff6b6b;

  --shadow: 0 14px 40px rgba(0, 0, 0, 0.45);
  --radius: 14px;

  --container: 1100px;

  --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji",
    "Segoe UI Emoji";
}

/* -----------------------------
   Base / Reset
------------------------------ */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  color-scheme: dark;
  scroll-behavior: smooth; /* JS will respect reduced motion */
}

body {
  margin: 0;
  font-family: var(--font);
  background: radial-gradient(1100px 480px at 15% 10%, rgba(110, 231, 255, 0.12), transparent 65%),
    radial-gradient(900px 420px at 80% 25%, rgba(139, 92, 246, 0.12), transparent 70%),
    var(--bg);
  color: var(--text);
  line-height: 1.55;
}

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

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid rgba(110, 231, 255, 0.6);
  outline-offset: 2px;
  border-radius: 8px;
}

p {
  margin: 0 0 1rem;
  color: var(--muted);
}

h1,
h2,
h3 {
  margin: 0 0 0.75rem;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2rem, 2.8vw, 3.2rem);
  line-height: 1.12;
  color: var(--text);
}

h2 {
  font-size: clamp(1.6rem, 2.1vw, 2.2rem);
  line-height: 1.18;
  color: var(--text);
}

h3 {
  font-size: 1.1rem;
  color: var(--text);
}

/* Utility */
.container {
  width: min(var(--container), calc(100% - 2rem));
  margin: 0 auto;
}

.muted {
  color: var(--muted);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Skip link */
.skip-link {
  position: absolute;
  left: 0.75rem;
  top: 0.75rem;
  padding: 0.6rem 0.8rem;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid var(--border);
  border-radius: 10px;
  transform: translateY(-150%);
  transition: transform 180ms ease;
  z-index: 999;
}

.skip-link:focus {
  transform: translateY(0);
}

/* -----------------------------
   Header / Navigation
------------------------------ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(10px);
  background: rgba(11, 16, 32, 0.72);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 0;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  min-width: 160px;
}

.brand-mark {
  width: 12px;
  height: 12px;
  border-radius: 4px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 0 4px rgba(110, 231, 255, 0.12);
}

.brand-name {
  font-weight: 700;
  letter-spacing: 0.01em;
}

.nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

.nav-link {
  font-size: 0.95rem;
  color: var(--muted);
  padding: 0.4rem 0.55rem;
  border-radius: 10px;
}

.nav-link:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
}

.nav-link-cta {
  border: 1px solid rgba(110, 231, 255, 0.35);
  background: rgba(110, 231, 255, 0.08);
  color: var(--text);
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.55rem 0.65rem;
  color: var(--text);
}

.nav-toggle-bars {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text);
  position: relative;
}

.nav-toggle-bars::before,
.nav-toggle-bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: var(--text);
}

.nav-toggle-bars::before {
  top: -6px;
}
.nav-toggle-bars::after {
  top: 6px;
}

/* -----------------------------
   Sections
------------------------------ */
.section {
  padding: 4rem 0;
}

.section-alt {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.02));
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-head {
  display: grid;
  gap: 0.6rem;
  margin-bottom: 1.8rem;
  max-width: 740px;
}

.grid-2 {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-3 {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

/* Cards */
.card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.04));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.2rem 1.1rem;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.04) inset;
}

.card-module {
  position: relative;
}

.card-module::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  pointer-events: none;
  background: radial-gradient(260px 140px at 20% 10%, rgba(110, 231, 255, 0.12), transparent 70%);
  opacity: 0.9;
}

/* Lists */
.list {
  margin: 0.7rem 0 0;
  padding: 0 0 0 1.1rem;
  color: var(--muted);
}

.list li {
  margin: 0.35rem 0;
}

.checklist {
  margin: 0.8rem 0 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
}

.checklist li {
  position: relative;
  padding-left: 1.35rem;
  margin: 0.35rem 0;
}

.checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 0.65rem;
  height: 0.65rem;
  border-radius: 3px;
  background: rgba(110, 231, 255, 0.9);
  box-shadow: 0 0 0 4px rgba(110, 231, 255, 0.12);
  transform: translateY(-50%);
}

/* -----------------------------
   Hero
------------------------------ */
.hero {
  padding: 4.5rem 0 3.25rem;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero-grid {
  display: grid;
  align-items: center;
  gap: 2rem;
  grid-template-columns: 1.1fr 0.9fr;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(110, 231, 255, 0.88);
  margin-bottom: 0.75rem;
}

.hero-title {
  margin-bottom: 0.85rem;
}

.hero-subtitle {
  font-size: 1.05rem;
  max-width: 60ch;
}

.hero-cta {
  display: flex;
  gap: 0.75rem;
  margin: 1.2rem 0 1rem;
  flex-wrap: wrap;
}

.hero-points {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
  display: grid;
  gap: 0.55rem;
}

.hero-points li {
  padding-left: 1.1rem;
  position: relative;
}

.hero-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 999px;
  background: rgba(139, 92, 246, 0.95);
  transform: translateY(-50%);
}

/* Buttons */
.btn {
  border: 1px solid transparent;
  border-radius: 12px;
  padding: 0.8rem 1.05rem;
  font-weight: 650;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: transform 120ms ease, background 160ms ease, border-color 160ms ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

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

.btn-primary {
  background: linear-gradient(135deg, rgba(110, 231, 255, 0.95), rgba(139, 92, 246, 0.9));
  color: rgba(10, 14, 25, 0.95);
  border-color: rgba(255, 255, 255, 0.14);
}

.btn-primary:hover {
  filter: brightness(1.04);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.14);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.09);
}

.btn.full {
  width: 100%;
}

/* Hero visual mock */
.hero-visual {
  position: relative;
  min-height: 360px;
  display: flex;
  align-items: stretch;
  justify-content: center;
}

.hero-glow {
  position: absolute;
  inset: -40px -50px -40px -50px;
  background: radial-gradient(480px 240px at 55% 40%, rgba(110, 231, 255, 0.18), transparent 60%),
    radial-gradient(420px 220px at 40% 75%, rgba(139, 92, 246, 0.16), transparent 65%);
  filter: blur(2px);
  pointer-events: none;
}

.mock {
  position: relative;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow);
  overflow: hidden;
  transform: translateZ(0);
  height: 100%;
  max-height: 80vh;
}

.mock-browser {
  background: linear-gradient(180deg, rgba(25, 30, 50, 0.98), rgba(15, 18, 35, 0.98));
}

.mock-top {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.6rem 0.85rem;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.05));
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.browser-controls {
  display: flex;
  gap: 0.45rem;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  opacity: 0.85;
}

.dot-red {
  background: #ff6b6b;
}

.dot-yellow {
  background: #ffd166;
}

.dot-green {
  background: #45e6a8;
}

.browser-url {
  flex: 1;
  margin-left: 0.5rem;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.75rem;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mock-body {
  padding: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.18), rgba(0, 0, 0, 0.35));
}

.mock-content {
  flex: 1;
  margin: 1rem;
  border-radius: 14px;
  overflow: hidden;
  background: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mock-content img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #ffffff;
  display: block;
}

/* -----------------------------
   Use cases
------------------------------ */
.use-cases {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

/* -----------------------------
   Roadmap
------------------------------ */
.roadmap {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.roadmap-col h3 {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.roadmap-col h3::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 4px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  opacity: 0.9;
}

/* -----------------------------
   Pricing
------------------------------ */
.pricing {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.price {
  position: relative;
}

.price-featured {
  border-color: rgba(110, 231, 255, 0.35);
  background: linear-gradient(180deg, rgba(110, 231, 255, 0.10), rgba(255, 255, 255, 0.04));
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.52);
}

.badge {
  position: absolute;
  top: 0.9rem;
  right: 0.9rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: rgba(10, 14, 25, 0.95);
  background: linear-gradient(135deg, rgba(110, 231, 255, 0.95), rgba(139, 92, 246, 0.92));
  padding: 0.35rem 0.55rem;
  border-radius: 999px;
}

.price-tag {
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
  margin: 0.6rem 0 0.6rem;
}

.price-amount {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text);
}

.price-period {
  color: var(--muted);
}

/* -----------------------------
   Final CTA + Form
------------------------------ */
.final-cta {
  padding: 4rem 0;
  background: radial-gradient(850px 300px at 30% 0%, rgba(110, 231, 255, 0.12), transparent 70%),
    radial-gradient(750px 280px at 80% 35%, rgba(139, 92, 246, 0.12), transparent 70%),
    rgba(255, 255, 255, 0.02);
  border-top: 1px solid var(--border);
}

.final-cta-inner {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 1.4rem;
  align-items: start;
}

.contact-form {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.15rem;
}

.form-row {
  display: grid;
  gap: 0.35rem;
  margin-bottom: 0.85rem;
}

label {
  font-weight: 650;
  color: var(--text);
}

input,
select,
textarea {
  width: 100%;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  padding: 0.75rem 0.8rem;
  background: rgba(11, 16, 32, 0.55);
  color: var(--text);
}

textarea {
  resize: vertical;
}

.field-hint {
  margin: 0;
  font-size: 0.85rem;
  color: var(--faint);
}

.form-actions {
  display: grid;
  gap: 0.7rem;
  margin-top: 0.8rem;
}

.form-note {
  margin: 0;
  font-size: 0.9rem;
  color: var(--faint);
}

.form-status {
  margin-top: 0.8rem;
  padding: 0.75rem 0.85rem;
  border-radius: 12px;
  border: 1px solid transparent;
  display: none; /* shown by JS */
}

.form-status.success {
  display: block;
  border-color: rgba(69, 230, 168, 0.35);
  background: rgba(69, 230, 168, 0.10);
  color: rgba(255, 255, 255, 0.9);
}

.form-status.error {
  display: block;
  border-color: rgba(255, 107, 107, 0.35);
  background: rgba(255, 107, 107, 0.10);
  color: rgba(255, 255, 255, 0.9);
}

.input-error {
  border-color: rgba(255, 107, 107, 0.55) !important;
}

/* -----------------------------
   Footer
------------------------------ */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.4rem 0;
  background: rgba(11, 16, 32, 0.6);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.footer-brand {
  margin: 0;
}

.footer-meta {
  margin: 0;
}

/* -----------------------------
   Responsive
------------------------------ */
@media (max-width: 980px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    order: -1;
  }

  .final-cta-inner {
    grid-template-columns: 1fr;
  }

  .grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

  .hero {
    min-height: auto;
    padding: 5rem 0;
  }

  .mock {
    max-height: 60vh;
  }
}

@media (max-width: 720px) {
  .grid-2 {
    grid-template-columns: 1fr;
  }

  .use-cases {
    grid-template-columns: 1fr;
  }

  /* Mobile nav */
  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .nav-menu {
    position: absolute;
    right: 1rem;
    top: 64px;
    min-width: 240px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0.25rem;
    padding: 0.6rem;
    background: rgba(15, 23, 48, 0.92);
    border: 1px solid var(--border);
    border-radius: 16px;
    box-shadow: var(--shadow);
  }

  .nav-menu.is-open {
    display: flex;
  }

  .nav-link {
    padding: 0.7rem 0.75rem;
  }
}

/* Respect user preference for reduced motion */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .btn {
    transition: none;
  }

  .skip-link {
    transition: none;
  }
}

/* -----------------------------
   Safari-like browser mockup (STATIC IMAGE)
------------------------------ */
.mock-browser {
  background: linear-gradient(180deg, rgba(25, 30, 50, 0.98), rgba(15, 18, 35, 0.98));
}

/* Barra superior tipo Safari */
.mock-top {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.6rem 0.85rem;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.05));
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

/* Grupo de botones */
.browser-controls {
  display: flex;
  gap: 0.45rem;
}

/* Barra de dirección fake */
.browser-url {
  flex: 1;
  margin-left: 0.5rem;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.75rem;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Área del navegador */
.mock-body {
  padding: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.18), rgba(0, 0, 0, 0.35));
}

/* La "página" ocupa todo el viewport del navegador */
.mock-content {
  flex: 1;
  margin: 1rem;
  border-radius: 14px;
  overflow: hidden;
  background: #ffffff;
  display: flex;
}

.mock-content img {
  object-fit: contain;
  background: #ffffff;
}

/* -----------------------------
   Client login
------------------------------ */
.client-login {
  margin-top: 1.25rem;
  padding: 1rem;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
}

.client-login-label {
  display: block;
  margin-bottom: 0.55rem;
}

.client-login-row {
  display: flex;
  gap: 0.6rem;
  align-items: center;
}

.client-login-row input {
  flex: 1;
}

.client-login-hint {
  margin: 0.6rem 0 0;
  font-size: 0.9rem;
}

@media (max-width: 720px) {
  .client-login-row {
    flex-direction: column;
    align-items: stretch;
  }
}