/* ══════════════════════════════════════════════
   ORMESIS — shared.css
   Estilos comunes a todas las páginas:
   header, nav, footer, scroll-top, reset.
   Incluir ANTES del CSS específico de cada página.
══════════════════════════════════════════════ */

/* ── Tokens ──────────────────────────────── */
:root {
    --clr-teal: #00a89d;
    --clr-teal-dark: #007f76;
    --clr-gold: #c8a951;
    --clr-gold-dark: #a88930;
    --clr-orange: #e8820a;
    --clr-navy: #2c3e50;
    --clr-nav-text: #333333;
    --clr-white: #ffffff;
    --clr-light-bg: #f4f6f8;
    --clr-info-bg: #e0f4f3;
    --clr-info-border: #00a89d;
    --clr-whatsapp: #25d366;

    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Open Sans', sans-serif;

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, .10);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, .15);
    --tr: .3s ease;
}

/* ── Reset ───────────────────────────────── */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    color: var(--clr-nav-text);
    background: var(--clr-white);
    overflow-x: hidden;
}

img {
    display: block;
    max-width: 100%;
}

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

ul {
    list-style: none;
}

button {
    cursor: pointer;
    border: none;
    background: none;
}

/* ══════════════════════════════════════════
   HEADER
══════════════════════════════════════════ */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--clr-white);
    border-bottom: 1px solid #e0e0e0;
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--tr);
}

.site-header.scrolled {
    box-shadow: var(--shadow-md);
}

.header-inner {
    display: flex;
    align-items: center;
    gap: 1rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: .5rem 1.5rem;
}

.header-logo img {
    height: 56px;
    width: auto;
    object-fit: contain;
    transition: opacity var(--tr);
}

.header-logo:hover img {
    opacity: .85;
}

/* ── NAV ──── */
.main-nav {
    margin-left: auto;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: .25rem;
}

.nav-link {
    display: inline-block;
    padding: .6rem 1.1rem;
    font-family: var(--font-heading);
    font-size: .82rem;
    font-weight: 700;
    letter-spacing: .05em;
    color: var(--clr-nav-text);
    border-radius: 4px;
    transition: color var(--tr), background var(--tr);
    white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
    color: var(--clr-teal);
}

/* Dropdown */
.has-dropdown {
    position: relative;
}

.dropdown-toggle .caret {
    display: inline-block;
    font-size: .7rem;
    margin-left: .2em;
    transition: transform var(--tr);
}

.has-dropdown:hover .caret,
.has-dropdown.open .caret {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    min-width: 190px;
    background: var(--clr-white);
    border: 1px solid #ddd;
    border-radius: 6px;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity var(--tr), transform var(--tr), visibility var(--tr);
    z-index: 200;
}

.has-dropdown:hover .dropdown-menu,
.has-dropdown.open .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: block;
    padding: .7rem 1.2rem;
    font-size: .88rem;
    color: var(--clr-nav-text);
    transition: background var(--tr), color var(--tr);
}

.dropdown-item:hover {
    background: var(--clr-info-bg);
    color: var(--clr-teal-dark);
}

/* Hamburger */
.nav-hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: .4rem;
    margin-left: auto;
}

.nav-hamburger span {
    display: block;
    width: 26px;
    height: 2px;
    background: var(--clr-nav-text);
    border-radius: 2px;
    transition: transform var(--tr), opacity var(--tr);
}

.nav-hamburger.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-hamburger.open span:nth-child(2) {
    opacity: 0;
}

.nav-hamburger.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ══════════════════════════════════════════
   FOOTER
══════════════════════════════════════════ */
.site-footer {
    background: var(--clr-navy);
    color: #ccc;
    padding: 2rem 1.5rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    max-width: 1100px;
    margin: 0 auto;
    align-items: start;
}

.footer-col {
    text-align: center;
}

.footer-icon {
    font-size: 1.8rem;
    margin-bottom: .5rem;
    color: var(--clr-teal);
}

.footer-col h4 {
    font-family: var(--font-heading);
    font-size: .85rem;
    font-weight: 700;
    color: var(--clr-white);
    margin-bottom: .4rem;
}

.footer-col p {
    font-size: .82rem;
    line-height: 1.6;
}

.footer-col a {
    transition: color var(--tr);
}

.footer-col a:hover {
    color: var(--clr-teal);
}

/* WhatsApp CTA */
.wa-link {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    background: var(--clr-whatsapp);
    color: #fff;
    padding: .4rem .9rem;
    border-radius: 20px;
    font-size: .8rem;
    font-weight: 700;
    margin-top: .35rem;
    transition: filter var(--tr);
}

.wa-link:hover {
    filter: brightness(1.1);
    color: #fff;
}

/* ══════════════════════════════════════════
   SCROLL-TO-TOP
══════════════════════════════════════════ */
.scroll-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--clr-teal);
    color: #fff;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: opacity var(--tr), visibility var(--tr), transform var(--tr);
    z-index: 500;
    border: none;
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-top:hover {
    background: var(--clr-teal-dark);
}

/* ══════════════════════════════════════════
   RESPONSIVE — NAV MÓVIL
══════════════════════════════════════════ */
@media (max-width: 900px) {
    .nav-hamburger {
        display: flex;
    }

    .main-nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--clr-white);
        border-top: 1px solid #e0e0e0;
        box-shadow: var(--shadow-md);
        overflow: hidden;
        max-height: 0;
        transition: max-height .4s ease;
        z-index: 999;
        margin-left: 0;
    }

    .main-nav.open {
        max-height: 400px;
    }

    .nav-list {
        flex-direction: column;
        gap: 0;
        padding: .5rem 0;
    }

    .nav-link {
        padding: .8rem 1.5rem;
        width: 100%;
    }

    .dropdown-menu {
        position: static;
        box-shadow: none;
        border: none;
        opacity: 1;
        visibility: visible;
        transform: none;
        background: var(--clr-info-bg);
        max-height: 0;
        overflow: hidden;
        transition: max-height .3s ease;
    }

    .has-dropdown.open .dropdown-menu {
        max-height: 200px;
    }

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

@media (max-width: 600px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 400px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .header-logo img {
        height: 44px;
    }
}