/* ==========================================================
   STYLES.CSS — Amatista Diseño y Construcción
   Variables de marca, reset base, tipografía global, nav y hero.
   ========================================================== */

/* ============================================================
   00 — VARIABLES DE MARCA (Amatista v2 palette)
   ============================================================ */
:root {
    --onyx: #111111;
    --midnight-violet: #2C1E3D;
    --surface: #3D2C52;
    --vintage-grape: #5A4575;
    --deep-lilac: #7B4FA8;
    --cyan-light: #9572B9;
    --platinum: #F4F4F6;
    --gray-secondary: #A89DB8;
    --gray-dim: #6B5F7A;

    --font-display: 'Neue Montreal', 'Helvetica Neue', Arial, sans-serif;
    --font-accent: 'Cormorant Garamond', Georgia, serif;
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  }

  * { margin: 0; padding: 0; box-sizing: border-box; }

  html { scroll-behavior: smooth; }

  body {
    background: var(--onyx);
    color: var(--platinum);
    font-family: var(--font-display);
    overflow-x: hidden;
  }

  section { position: relative; }

  a { color: inherit; }

  
  

  

  
  

  

  
  
  

  
  
  

  
  
  

/* ============================================================
   01 — NAV
   ============================================================ */
.nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 22px 6vw;
    background: linear-gradient(180deg, rgba(17,17,17,0.85), transparent);
    transition: background 0.4s var(--ease-out), padding 0.4s var(--ease-out), border-color 0.4s var(--ease-out);
    border-bottom: 1px solid transparent;
  }

  .nav.is-scrolled {
    padding-top: 14px;
    padding-bottom: 14px;
    background: rgba(17, 17, 17, 0.82);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--vintage-grape);
  }

  /* Logo — estático, sin animación de ningún tipo, siempre a la izquierda */
  .nav__logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
  }
  .nav__logo-icon { height: 36px; width: auto; display: block; flex-shrink: 0; }
  .nav__logo-word { height: 15px; width: auto; display: block; }

  /* Links — centrados de verdad respecto al ancho completo del header,
     sin importar el ancho del logo o de las acciones a la derecha */
  .nav__links {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    align-items: center;
    gap: 36px;
    font-size: 0.9rem;
    white-space: nowrap;
  }

  .nav__item { position: relative; }

  .nav__item-trigger {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
  }
  .nav__item-trigger svg { width: 11px; height: 11px; transition: transform 0.3s var(--ease-out); }
  .nav__item:hover .nav__item-trigger svg { transform: rotate(45deg); }

  .nav__dropdown {
    position: absolute;
    top: calc(100% + 18px);
    left: 50%;
    transform: translateX(-50%) translateY(8px);
    width: 320px;
    background: var(--midnight-violet);
    border: 1px solid var(--vintage-grape);
    border-radius: 14px;
    padding: 10px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s var(--ease-out), transform 0.3s var(--ease-out), visibility 0s linear 0.3s;
  }
  .nav__item:hover .nav__dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
    transition: opacity 0.3s var(--ease-out), transform 0.3s var(--ease-out);
  }

  .nav__dropdown-link {
    display: block;
    padding: 12px 14px;
    border-radius: 8px;
    text-decoration: none;
    font-size: 0.85rem;
    transition: background 0.25s var(--ease-out);
  }
  .nav__dropdown-link:hover { background: var(--surface); }
  .nav__dropdown-link small { display: block; color: var(--gray-secondary); font-size: 0.75rem; margin-top: 2px; }

  .nav__cta {
    font-size: 0.85rem;
    padding: 11px 22px;
    border-radius: 100px;
    background: var(--deep-lilac);
    color: #fff;
    text-decoration: none;
    border: 1px solid var(--deep-lilac);
    transition: background 0.3s var(--ease-out);
  }
  .nav__cta:hover { background: var(--cyan-light); border-color: var(--cyan-light); }

  .nav__actions {
    display: flex;
    align-items: center;
    gap: 14px;
  }

  .nav__burger { display: none; }

  @media (max-width: 900px) {
    .nav__links { display: none; }
    .nav__burger {
      display: block;
      width: 22px; height: 16px;
      position: relative;
      background: none; border: none; cursor: pointer;
    }
    .nav__burger span { display: block; width: 100%; height: 1px; background: var(--platinum); position: absolute; left: 0; transition: transform 0.3s var(--ease-out), opacity 0.3s var(--ease-out); }
    .nav__burger span:nth-child(1) { top: 0; }
    .nav__burger span:nth-child(2) { top: 7px; }
    .nav__burger span:nth-child(3) { top: 14px; }

    body.nav-open .nav__links {
      display: flex;
      flex-direction: column;
      align-items: flex-start;
      gap: 4px;
      position: fixed;
      transform: none;
      top: 74px; left: 0; right: 0;
      background: var(--midnight-violet);
      border-bottom: 1px solid var(--vintage-grape);
      padding: 20px 6vw 28px;
      z-index: 99;
      max-height: calc(100vh - 74px);
      overflow-y: auto;
    }
    body.nav-open .nav__links > * { width: 100%; padding: 12px 0; }
    body.nav-open .nav__item { width: 100%; }
    body.nav-open .nav__dropdown {
      position: static;
      transform: none;
      opacity: 1;
      visibility: visible;
      width: 100%;
      margin-top: 10px;
      display: none;
    }
    .nav__item.is-open-mobile .nav__dropdown { display: block; }
    body.nav-open .nav__burger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    body.nav-open .nav__burger span:nth-child(2) { opacity: 0; }
    body.nav-open .nav__burger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  }

/* ============================================================
   02 — HERO
   ============================================================ */
.hero {
    height: 100svh;
    min-height: 640px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 0 6vw;
    overflow: hidden;
  }

  .hero__bg {
    position: absolute; inset: 0; z-index: 0;
    background:
      radial-gradient(circle at 78% 30%, rgba(123, 79, 168, 0.35), transparent 55%),
      linear-gradient(160deg, var(--onyx) 0%, var(--midnight-violet) 55%, var(--onyx) 100%);
  }
  .hero__bg::after {
    content: "";
    position: absolute; inset: 0;
    opacity: 0.05;
    background-image: radial-gradient(circle, var(--platinum) 1px, transparent 1px);
    background-size: 3px 3px;
  }

  .hero__bg-video {
    position: absolute; inset: 0; z-index: 1;
    width: 100%; height: 100%; object-fit: cover;
  }
  .hero__bg-overlay {
    position: absolute; inset: 0; z-index: 1;
    background:
      radial-gradient(circle at 78% 30%, rgba(123, 79, 168, 0.28), transparent 55%),
      linear-gradient(180deg, rgba(17,17,17,0.55) 0%, rgba(17,17,17,0.35) 45%, rgba(17,17,17,0.75) 100%);
  }

  .hero .placeholder-tag { bottom: 24px; right: 6vw; }

  .hero__content { position: relative; z-index: 2; max-width: 920px; }

  .hero__eyebrow {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: 13px; letter-spacing: 0.14em; text-transform: uppercase;
    color: var(--cyan-light); margin-bottom: 28px;
    opacity: 0; transform: translateY(14px);
    animation: reveal 0.9s var(--ease-out) forwards; animation-delay: 0.15s;
  }
  .hero__eyebrow::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--deep-lilac); }

  .hero__title {
    font-size: clamp(2.6rem, 6vw, 5.4rem);
    font-weight: 700; line-height: 0.98; letter-spacing: -0.01em;
    opacity: 0; transform: translateY(22px);
    animation: reveal 1s var(--ease-out) forwards; animation-delay: 0.32s;
  }
  .hero__title em { font-family: var(--font-accent); font-style: italic; font-weight: 400; color: var(--cyan-light); }

  .hero__subtitle {
    margin-top: 26px; max-width: 540px;
    font-size: clamp(1rem, 1.6vw, 1.15rem); line-height: 1.55; color: var(--gray-secondary);
    opacity: 0; transform: translateY(18px);
    animation: reveal 1s var(--ease-out) forwards; animation-delay: 0.5s;
  }

  .hero__actions {
    display: flex; align-items: center; gap: 18px; margin-top: 44px;
    opacity: 0; transform: translateY(18px);
    animation: reveal 1s var(--ease-out) forwards; animation-delay: 0.68s;
  }

  .btn {
    font-family: var(--font-display); font-size: 14px; letter-spacing: 0.02em; text-decoration: none;
    padding: 15px 30px; border-radius: 100px;
    transition: transform 0.35s var(--ease-out), background 0.35s var(--ease-out), border-color 0.35s var(--ease-out);
    display: inline-flex; align-items: center; gap: 8px;
  }
  .btn--primary { background: var(--deep-lilac); color: #fff; border: 1px solid var(--deep-lilac); }
  .btn--primary:hover { background: var(--cyan-light); border-color: var(--cyan-light); transform: translateY(-2px); }
  .btn--ghost { background: transparent; color: var(--platinum); border: 1px solid var(--vintage-grape); }
  .btn--ghost:hover { border-color: var(--gray-secondary); transform: translateY(-2px); }
  .btn svg { width: 14px; height: 14px; transition: transform 0.35s var(--ease-out); }
  .btn--primary:hover svg { transform: translate(2px, -2px); }

  .hero__scroll {
    position: absolute; left: 6vw; bottom: 40px; z-index: 2;
    display: flex; align-items: center; gap: 12px;
    font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--gray-dim);
    opacity: 0; animation: reveal 1s var(--ease-out) forwards; animation-delay: 1s;
  }
  .hero__scroll-line { width: 1px; height: 34px; background: var(--vintage-grape); position: relative; overflow: hidden; }
  .hero__scroll-line::after {
    content: ""; position: absolute; top: -100%; left: 0; width: 100%; height: 100%;
    background: var(--deep-lilac); animation: scrollLine 1.8s ease-in-out infinite;
  }