/* ============================================================
   Main.css — Ximena Cadillo
   Estilos compartidos: variables, reset, nav, footer, cta-banner, reveal
   ============================================================ */

/* ── Variables de marca ─────────────────────────────────────── */
:root {
    --lavanda:       #cdb6d9;
    --lavanda-dark:  #b89ecc;
    --lavanda-light: #f0eaf6;
    --azul:          #819ed2;
    --verde:         #c7d9a6;
    --blanco:        #ffffff;
    --fondo:         #faf9fc;
    --texto:         #3d3347;
    --texto-suave:   #8a7e95;
    --borde:         #ede8f2;
    --font-display:  'Cormorant Garamond', serif;
    --font-body:     'Montserrat', sans-serif;
}

/* ── Reset global ────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html  { font-size: 16px; scroll-behavior: smooth; }
body  { font-family: var(--font-body); color: var(--texto); background: var(--fondo); overflow-x: hidden; }
img   { max-width: 100%; display: block; }
a     { text-decoration: none; color: inherit; }
ul    { list-style: none; }

/* ── NAV — Desktop ───────────────────────────────────────────── */
.nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    height: 150px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 4rem;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--borde);
}

.nav__logo     { display: flex; align-items: center; }
.nav__logo-img { height: 120px; width: auto; display: block; }

.nav__links {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.nav__link {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--texto-suave);
    transition: color 0.2s;
    position: relative;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -4px; left: 0;
    width: 0; height: 1px;
    background: var(--lavanda);
    transition: width 0.3s ease;
}

.nav__link:hover             { color: var(--texto); }
.nav__link:hover::after      { width: 100%; }
.nav__link--active           { color: var(--lavanda-dark); }
.nav__link--active::after    { width: 100%; }

.nav__link--cta {
    background: var(--lavanda);
    color: var(--blanco) !important;
    padding: 0.6rem 1.6rem;
    border-radius: 999px;
    font-weight: 500;
}
.nav__link--cta::after { display: none; }
.nav__link--cta:hover  { background: var(--lavanda-dark); }

/* ── NAV — Botón hamburguesa (oculto en desktop) ─────────────── */
.nav__hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 36px;
    height: 36px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    flex-shrink: 0;
}

.nav__hamburger span {
    display: block;
    width: 22px;
    height: 1.5px;
    background: var(--texto);
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.2s ease;
    transform-origin: center;
}

/* Animación X al abrir el menú */
.nav__hamburger.is-open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav__hamburger.is-open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav__hamburger.is-open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ── NAV — Overlay menú mobile ───────────────────────────────── */
.nav__mobile-menu {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(250, 249, 252, 0.98);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    z-index: 150;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2.5rem;
}

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

.nav__mobile-link {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 300;
    color: var(--texto);
    letter-spacing: 0.02em;
    transition: color 0.2s;
}

.nav__mobile-link:hover { color: var(--lavanda-dark); }

.nav__mobile-link--cta {
    font-family: var(--font-body);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    background: var(--lavanda);
    color: var(--blanco) !important;
    padding: 0.9rem 2.5rem;
    border-radius: 999px;
    margin-top: 0.5rem;
}

.nav__mobile-link--cta:hover { background: var(--lavanda-dark); }

/* ── CTA BANNER ──────────────────────────────────────────────── */
.cta-banner {
    background: var(--lavanda-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 3rem;
    padding: 4rem 5rem;
    flex-wrap: wrap;
}

/* En index.html el fondo es --lavanda (no --lavanda-dark),
   se puede sobreescribir con un modificador en el HTML si fuera necesario */

.cta-banner__iso { flex-shrink: 0; }

.cta-banner__texto {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3vw, 2.8rem);
    font-weight: 300;
    color: var(--blanco);
    line-height: 1.3;
    max-width: 580px;
}

.cta-banner__texto em { font-style: italic; opacity: 0.85; }

.btn-white {
    background: var(--blanco);
    color: var(--lavanda-dark);
    padding: 1rem 2.5rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    white-space: nowrap;
    transition: all 0.3s;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    flex-shrink: 0;
    display: inline-block;
}

.btn-white:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15); }

/* ── FOOTER ──────────────────────────────────────────────────── */
.footer {
    background: var(--texto);
    color: rgba(255, 255, 255, 0.5);
    padding: 2.5rem 5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    flex-wrap: wrap;
}

.footer__brand    { display: flex; align-items: center; gap: 10px; }
.footer__logo-img { height: 80px; width: auto; display: block; }
.footer__links    { display: flex; gap: 2rem; }

.footer__link {
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    transition: color 0.2s;
}

.footer__link:hover { color: var(--lavanda); }
.footer__copy       { font-size: 0.7rem; opacity: 0.4; }

/* ── REVEAL — Animación de entrada al hacer scroll ───────────── */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible      { opacity: 1; transform: translateY(0); }
.reveal--delay-1     { transition-delay: 0.1s; }
.reveal--delay-2     { transition-delay: 0.2s; }
.reveal--delay-3     { transition-delay: 0.3s; }

/* ── RESPONSIVE — Tablet ─────────────────────────────────────── */
@media (max-width: 1024px) {
    .cta-banner {
        padding: 3rem 2rem;
        justify-content: flex-start;
    }
}

/* ── RESPONSIVE — Mobile ─────────────────────────────────────── */
@media (max-width: 768px) {

    /* Nav */
    .nav {
        height: 80px;
        padding: 0 1.25rem;
        overflow: visible;
    }

    .nav__logo-img     { height: 60px; }
    .nav__links        { display: none; }
    .nav__hamburger    { display: flex; }

    /* CTA Banner */
    .cta-banner {
        padding: 2.5rem 1.25rem;
        flex-direction: column;
        text-align: center;
        gap: 1.5rem;
        justify-content: center;
    }

    .cta-banner__iso { display: none; }

    /* Footer */
    .footer {
        padding: 2rem 1.25rem;
        flex-direction: column;
        align-items: flex-start;
        gap: 1.5rem;
    }

    .footer__logo-img { height: 80px; }
    .footer__links    { flex-wrap: wrap; gap: 0.75rem 1.25rem; }
}