/* ============================================================
   VibeHost — Design System
   Hospitality. Automated. Elevated.
   ============================================================ */

:root {
  --color-bg: #f8f7f4;
  --color-text: #222222;
  --color-text-muted: #5b6670;
  --color-primary: #0a3d4a;
  --color-primary-dark: #072933;
  --color-secondary: #d8dde3;
  --color-accent: #6b8ca3;
  --color-white: #ffffff;

  --font-sans: "Inter", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --font-brand: "Satoshi", var(--font-sans);

  --ease-out: cubic-bezier(0.22, 0.61, 0.36, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);

  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;

  --shadow-soft: 0 1px 2px rgba(10, 61, 74, 0.04), 0 12px 32px -16px rgba(10, 61, 74, 0.12);
  --shadow-card: 0 1px 1px rgba(10, 61, 74, 0.03), 0 24px 48px -24px rgba(10, 61, 74, 0.18);

  --container: 1200px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: clip;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}

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

/* -------------------------------------------------------
   Focus states — accessible, on-brand
   ------------------------------------------------------- */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* -------------------------------------------------------
   Skip link
   ------------------------------------------------------- */
.skip-link {
  position: absolute;
  left: 1rem;
  top: -60px;
  z-index: 100;
  background: var(--color-primary);
  color: var(--color-white);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  transition: top 0.25s var(--ease-out);
}
.skip-link:focus {
  top: 1rem;
}

/* -------------------------------------------------------
   Typography helpers
   ------------------------------------------------------- */
.font-brand {
  font-family: var(--font-brand);
  letter-spacing: -0.01em;
}

/* -------------------------------------------------------
   Logo lockup — isotipo + wordmark
   ------------------------------------------------------- */
.logo-lockup {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}

.logo-mark {
  height: 1.6rem;
  width: auto;
  display: block;
  flex-shrink: 0;
}

.wordmark {
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

/* Decorative isotipo watermarks — brand texture, not content */
.hero-watermark {
  position: absolute;
  top: -6%;
  right: -4%;
  width: clamp(220px, 26vw, 420px);
  height: auto;
  opacity: 0.05;
  pointer-events: none;
  z-index: 0;
}

.cta-watermark {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: clamp(320px, 46vw, 620px);
  height: auto;
  opacity: 0.06;
  pointer-events: none;
}

.text-balance {
  text-wrap: balance;
}

.eyebrow {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
}

/* -------------------------------------------------------
   Buttons — minimal, generous padding, soft radius, no shadow drama
   ------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.9rem 1.75rem;
  border-radius: 999px;
  transition: transform 0.35s var(--ease-out), background-color 0.25s var(--ease-out),
    border-color 0.25s var(--ease-out), color 0.25s var(--ease-out);
  white-space: nowrap;
}
.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
  border: 1px solid var(--color-primary);
}
.btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  transform: translateY(-1px);
}

.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid rgba(10, 61, 74, 0.22);
}
.btn-secondary:hover {
  border-color: var(--color-primary);
  background: rgba(10, 61, 74, 0.04);
  transform: translateY(-1px);
}

.btn-on-dark {
  background: var(--color-bg);
  color: var(--color-primary);
  border: 1px solid var(--color-bg);
}
.btn-on-dark:hover {
  background: var(--color-white);
  transform: translateY(-1px);
}

.btn-ghost-on-dark {
  background: transparent;
  color: var(--color-bg);
  border: 1px solid rgba(248, 247, 244, 0.3);
}
.btn-ghost-on-dark:hover {
  border-color: var(--color-bg);
  background: rgba(248, 247, 244, 0.08);
}

/* -------------------------------------------------------
   Header
   ------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(248, 247, 244, 0);
  border-bottom: 1px solid transparent;
  transition: background-color 0.4s var(--ease-out), border-color 0.4s var(--ease-out),
    backdrop-filter 0.4s var(--ease-out);
}
.site-header.is-scrolled {
  background: rgba(248, 247, 244, 0.85);
  border-bottom-color: rgba(10, 61, 74, 0.08);
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
}

.nav-link {
  position: relative;
  color: var(--color-text);
  font-size: 0.9rem;
  font-weight: 500;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 100%;
  height: 1px;
  background: var(--color-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease-out);
}
.nav-link:hover::after {
  transform: scaleX(1);
}

/* Mobile menu */
.mobile-menu {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease-in-out);
}
.mobile-menu.is-open {
  max-height: 480px;
}

.menu-icon {
  position: relative;
  width: 20px;
  height: 14px;
}
.menu-icon span {
  position: absolute;
  left: 0;
  width: 100%;
  height: 1.5px;
  background: currentColor;
  transition: transform 0.3s var(--ease-in-out), opacity 0.3s var(--ease-in-out), top 0.3s var(--ease-in-out);
}
.menu-icon span:nth-child(1) { top: 0; }
.menu-icon span:nth-child(2) { top: 6px; }
.menu-icon span:nth-child(3) { top: 12px; }
.nav-toggle[aria-expanded="true"] .menu-icon span:nth-child(1) {
  top: 6px;
  transform: rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .menu-icon span:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] .menu-icon span:nth-child(3) {
  top: 6px;
  transform: rotate(-45deg);
}

/* -------------------------------------------------------
   Scroll reveal — defensive CSS first (see gotcha A.4.5)
   ------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}
.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }
.reveal-delay-4 { transition-delay: 0.32s; }

@media (prefers-reduced-motion: reduce) {
  .reveal {
    transition-duration: 0.2s;
  }
}

/* -------------------------------------------------------
   Hero
   ------------------------------------------------------- */
.hero {
  position: relative;
  padding-top: clamp(6rem, 12vw, 9rem);
  padding-bottom: clamp(4rem, 8vw, 6rem);
  overflow: clip;
}

.hero-halo {
  position: absolute;
  inset: -20% -10% auto -10%;
  height: 140%;
  background: radial-gradient(48% 40% at 72% 28%, rgba(107, 140, 163, 0.28), transparent 70%),
    radial-gradient(38% 32% at 12% 60%, rgba(10, 61, 74, 0.1), transparent 72%);
  filter: blur(60px);
  pointer-events: none;
  z-index: 0;
}

.hero-title {
  font-size: clamp(2.5rem, 5.6vw, 4.5rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
  font-weight: 700;
  max-width: 16ch;
}

.hero-sub {
  font-size: clamp(1.05rem, 1.4vw, 1.2rem);
  line-height: 1.6;
  color: var(--color-text-muted);
  max-width: 46ch;
}

/* Dashboard mockup card */
.dash-card {
  position: relative;
  background: var(--color-white);
  border: 1px solid rgba(10, 61, 74, 0.08);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 1.75rem;
}

.dash-card-float {
  position: absolute;
  background: var(--color-white);
  border: 1px solid rgba(10, 61, 74, 0.08);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  animation: floatY 7s var(--ease-in-out) infinite;
}
@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.dash-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--color-primary);
  background: rgba(107, 140, 163, 0.14);
  padding: 0.32rem 0.7rem;
  border-radius: 999px;
}
.dash-pill-dot {
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: #3f9c6e;
  box-shadow: 0 0 0 3px rgba(63, 156, 110, 0.18);
}

.chart-line {
  stroke: var(--color-primary);
  stroke-width: 2;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.chart-fill {
  fill: url(#chartGradient);
  opacity: 0.5;
}

/* -------------------------------------------------------
   Icon tiles
   ------------------------------------------------------- */
.icon-tile {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  border-radius: var(--radius-sm);
  background: rgba(10, 61, 74, 0.06);
  color: var(--color-primary);
  flex-shrink: 0;
}
.icon-tile svg {
  width: 22px;
  height: 22px;
}

/* -------------------------------------------------------
   Cards
   ------------------------------------------------------- */
.card {
  background: var(--color-white);
  border: 1px solid rgba(10, 61, 74, 0.08);
  border-radius: var(--radius-md);
  transition: transform 0.4s var(--ease-out), box-shadow 0.4s var(--ease-out), border-color 0.4s var(--ease-out);
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-soft);
  border-color: rgba(10, 61, 74, 0.14);
}

/* -------------------------------------------------------
   Steps ("Cómo trabajamos")
   ------------------------------------------------------- */
.step-num {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-accent);
}

.step-connector {
  background: linear-gradient(180deg, rgba(10, 61, 74, 0.18), rgba(10, 61, 74, 0));
}
@media (min-width: 1024px) {
  .step-connector {
    background: linear-gradient(90deg, rgba(10, 61, 74, 0.18), rgba(10, 61, 74, 0));
  }
}

/* -------------------------------------------------------
   Photography treatment — duotone, matches palette
   ------------------------------------------------------- */
.photo-duotone {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
}
.photo-duotone img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1) contrast(1.05) brightness(1.02);
  transform: scale(1.01);
}
.photo-duotone::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, rgba(10, 61, 74, 0.78), rgba(107, 140, 163, 0.42));
  mix-blend-mode: multiply;
}
.photo-duotone::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(0deg, rgba(10, 61, 74, 0.35), transparent 55%);
}

/* -------------------------------------------------------
   Testimonials
   ------------------------------------------------------- */
.quote-mark {
  font-size: 3rem;
  line-height: 1;
  color: var(--color-accent);
  opacity: 0.35;
}

.avatar-mono {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: var(--color-bg);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.02em;
}

/* -------------------------------------------------------
   Final CTA
   ------------------------------------------------------- */
.cta-final {
  position: relative;
  background: var(--color-primary);
  color: var(--color-bg);
  overflow: clip;
}
.cta-final-halo {
  position: absolute;
  inset: -40% -10% -40% -10%;
  background: radial-gradient(45% 45% at 50% 50%, rgba(107, 140, 163, 0.35), transparent 72%);
  filter: blur(80px);
  pointer-events: none;
}

/* -------------------------------------------------------
   Footer
   ------------------------------------------------------- */
.footer-link {
  color: rgba(34, 34, 34, 0.68);
  font-size: 0.9rem;
  transition: color 0.25s var(--ease-out);
}
.footer-link:hover {
  color: var(--color-primary);
}

.social-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 999px;
  border: 1px solid rgba(10, 61, 74, 0.14);
  color: var(--color-primary);
  transition: background-color 0.25s var(--ease-out), color 0.25s var(--ease-out), border-color 0.25s var(--ease-out);
}
.social-icon:hover {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

/* -------------------------------------------------------
   Utilities
   ------------------------------------------------------- */
.container-vh {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 1.5rem;
}
@media (min-width: 768px) {
  .container-vh { padding-inline: 2.5rem; }
}