/* ==========================================================
   Buttons and text links
========================================================== */

.button {
    display: inline-flex;
    min-height: 3.6rem;
    align-items: center;
    justify-content: center;
    padding: 0.95rem 1.7rem;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    line-height: 1.2;
    text-align: center;
    text-transform: uppercase;
    box-shadow: 0 0.65rem 1.8rem transparent;
    transition: background-color var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.button:hover {
    transform: translateY(-3px);
}

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

.button--small {
    min-height: 2.75rem;
    padding: 0.7rem 1.1rem;
    font-size: 0.72rem;
}

.button--gold {
    border-color: #dfbc67;
    background: linear-gradient(110deg, #c49335 0%, #e0ba5c 55%, #cf9f3f 100%);
    color: var(--color-primary);
    box-shadow: 0 0.8rem 2rem rgba(176, 128, 36, 0.18);
}

.button--gold:hover {
    border-color: #efd17e;
    background: linear-gradient(110deg, #d2a245 0%, #e9c76d 55%, #d8aa4a 100%);
    box-shadow: 0 1rem 2.3rem rgba(176, 128, 36, 0.25);
}

.button--light {
    border-color: rgba(255, 255, 255, 0.48);
    background: rgba(3, 20, 38, 0.24);
    color: var(--color-light);
    backdrop-filter: blur(6px);
}

.button--light:hover {
    background: var(--color-light);
    color: var(--color-primary);
}

.button--dark {
    border-color: var(--color-primary);
    background: linear-gradient(115deg, var(--color-primary) 0%, var(--color-primary-soft) 100%);
    color: var(--color-light);
}

.button--dark:hover {
    background: var(--color-primary-soft);
}

.button--full {
    width: 100%;
}

.text-link {
    display: inline-flex;
    margin-top: var(--space-md);
    padding-bottom: 0.35rem;
    border-bottom: 1px solid var(--color-secondary);
    color: var(--color-text);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.09em;
    text-transform: uppercase;
    transition: border-color var(--transition-fast), color var(--transition-fast);
}

.text-link:hover {
    border-color: var(--color-primary);
    color: var(--color-secondary-dark);
}

/* ==========================================================
   Header and desktop navigation
========================================================== */

.site-header {
    position: sticky;
    z-index: 100;
    top: 0;
    height: var(--header-height);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(3, 20, 38, 0.97);
    backdrop-filter: blur(16px);
    transition: height var(--transition-base), background-color var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}

.site-header--overlay {
    position: fixed;
    right: 0;
    left: 0;
    background: linear-gradient(180deg, rgba(3, 20, 38, 0.82) 0%, rgba(3, 20, 38, 0.38) 72%, transparent 100%);
    backdrop-filter: none;
}

.site-header.is-scrolled {
    height: 4.75rem;
    border-bottom-color: rgba(214, 173, 79, 0.18);
    background: rgba(3, 20, 38, 0.95);
    backdrop-filter: blur(18px);
    box-shadow: var(--shadow-header);
}

.site-header__inner {
    display: flex;
    height: 100%;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.brand {
    display: block;
    width: clamp(10.5rem, 15vw, 13.5rem);
    flex: 0 0 auto;
}

.brand img,
.mobile-navigation__header img,
.site-footer__brand img {
    width: 100%;
    aspect-ratio: 3 / 1;
    object-fit: contain;
}

.desktop-navigation {
    display: flex;
    align-items: center;
    gap: clamp(1.25rem, 2.2vw, 2.5rem);
}

.desktop-navigation > a:not(.button) {
    position: relative;
    color: rgba(253, 252, 249, 0.74);
    font-size: 0.69rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    transition: color var(--transition-fast), transform var(--transition-fast);
}

.desktop-navigation > a:not(.button)::after {
    position: absolute;
    right: 0;
    bottom: -0.55rem;
    left: 0;
    height: 1px;
    transform: scaleX(0);
    transform-origin: left;
    background: var(--color-secondary);
    content: "";
    transition: transform var(--transition-fast);
}

.desktop-navigation > a:not(.button):hover {
    transform: translateY(-1px);
    color: #e6c66e;
}

.desktop-navigation > a:not(.button):hover::after {
    transform: scaleX(1);
}

.menu-toggle,
.menu-close {
    display: none;
    width: 3rem;
    height: 3rem;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: var(--radius-sm);
    background: rgba(3, 20, 38, 0.24);
    color: var(--color-light);
    cursor: pointer;
}

.menu-close svg {
    width: 1.5rem;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-width: 1.7;
}

.menu-toggle__icon {
    display: block;
    width: 1.5rem;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-width: 1.5;
}

.menu-toggle__line {
    transform-box: fill-box;
    transform-origin: center;
    transition: opacity var(--transition-base), transform var(--transition-base);
}

.menu-toggle[aria-expanded="true"] .menu-toggle__line:nth-child(1) {
    transform: translateY(5.5px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .menu-toggle__line:nth-child(2) {
    transform: scaleX(0);
    opacity: 0;
}

.menu-toggle[aria-expanded="true"] .menu-toggle__line:nth-child(3) {
    transform: translateY(-5.5px) rotate(-45deg);
}

/* ==========================================================
   Mobile navigation
========================================================== */

.mobile-navigation {
    position: fixed;
    z-index: 300;
    inset: 0;
    visibility: hidden;
    pointer-events: none;
    transition: visibility 0s linear var(--transition-base);
}

.mobile-navigation.is-open {
    visibility: visible;
    pointer-events: auto;
    transition-delay: 0s;
}

.mobile-navigation__overlay {
    position: absolute;
    inset: 0;
    opacity: 0;
    background: rgba(1, 8, 17, 0.82);
    backdrop-filter: blur(3px);
    cursor: pointer;
    transition: opacity var(--transition-base);
}

.mobile-navigation.is-open .mobile-navigation__overlay {
    opacity: 1;
}

.mobile-navigation__panel {
    position: absolute;
    top: 0;
    right: 0;
    display: flex;
    width: min(92%, 30rem);
    height: 100%;
    padding: max(1.5rem, env(safe-area-inset-top)) clamp(1.5rem, 5vw, 2.5rem) max(1.75rem, env(safe-area-inset-bottom));
    transform: translateX(100%);
    flex-direction: column;
    border-left: 1px solid rgba(214, 173, 79, 0.22);
    background: radial-gradient(circle at 100% 0%, rgba(8, 56, 99, 0.42), transparent 38%), linear-gradient(155deg, #031426 0%, #061d35 100%);
    box-shadow: -2rem 0 5rem rgba(0, 0, 0, 0.34);
    transition: transform 420ms cubic-bezier(0.22, 1, 0.36, 1);
}

.mobile-navigation.is-open .mobile-navigation__panel {
    transform: translateX(0);
}

.mobile-navigation__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 1.65rem;
    border-bottom: 1px solid rgba(214, 173, 79, 0.25);
}

.mobile-navigation__header img {
    width: 11rem;
}

.mobile-navigation__links {
    display: flex;
    margin-block: auto;
    flex-direction: column;
}

.mobile-navigation__links a {
    position: relative;
    padding-block: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--color-light);
    font-family: var(--font-secondary);
    font-size: clamp(1.9rem, 7vw, 2.75rem);
    line-height: 1.05;
    transition: color var(--transition-fast), padding-left var(--transition-fast);
}

.mobile-navigation__links a::after {
    position: absolute;
    top: 50%;
    right: 0;
    width: 0;
    height: 1px;
    background: var(--color-secondary);
    content: "";
    transition: width var(--transition-base);
}

.mobile-navigation__links a:hover,
.mobile-navigation__links a:focus-visible {
    padding-left: 0.45rem;
    color: #e8c86d;
}

.mobile-navigation__links a:hover::after,
.mobile-navigation__links a:focus-visible::after {
    width: 2rem;
}

.mobile-navigation__note {
    margin-top: 1rem;
    color: rgba(255, 255, 255, 0.46);
    font-size: 0.8rem;
    line-height: 1.5;
}

/* ==========================================================
   Contact form
========================================================== */

.contact-form {
    padding: clamp(1.5rem, 4vw, 3rem);
    border: 1px solid rgba(167, 122, 40, 0.14);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.96);
    box-shadow: var(--shadow-soft);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.4rem 1.25rem;
    margin-bottom: 1.5rem;
}

.form-field {
    min-width: 0;
}

.form-field--full {
    grid-column: 1 / -1;
}

.form-field > label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--color-text);
    font-size: 0.74rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.form-field input,
.form-field select,
.form-field textarea {
    width: 100%;
    min-height: 3.55rem;
    padding: 0.9rem 1rem;
    border: 1px solid var(--color-line);
    border-radius: 0.38rem;
    background: #fcfbf8;
    color: var(--color-text);
    font-size: 1rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
}

.form-field textarea {
    min-height: 9rem;
    resize: vertical;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
    border-color: var(--color-secondary-dark);
    outline: none;
    background: var(--color-surface);
    box-shadow: 0 0 0 4px rgba(214, 173, 79, 0.14);
}

.form-field input[aria-invalid="true"],
.form-field select[aria-invalid="true"],
.form-field textarea[aria-invalid="true"] {
    border-color: var(--color-error);
}

.field-error {
    display: block;
    min-height: 1.2rem;
    margin-top: 0.25rem;
    color: var(--color-error);
    font-size: 0.76rem;
    line-height: 1.4;
}

.form-consent {
    display: grid;
    grid-template-columns: 1.25rem 1fr;
    column-gap: 0.65rem;
    align-items: start;
}

.form-consent input {
    width: 1.1rem;
    min-height: 1.1rem;
    margin-top: 0.2rem;
    accent-color: var(--color-primary);
}

.form-consent label {
    margin: 0;
    font-weight: 400;
}

.form-consent label a {
    border-bottom: 1px solid var(--color-secondary-dark);
}

.form-consent .field-error {
    grid-column: 2;
}

.form-status {
    min-height: 1.5rem;
    margin-top: 0.75rem;
    color: var(--color-error);
    font-size: 0.82rem;
    text-align: center;
}

/* ==========================================================
   WhatsApp floating action
========================================================== */

.whatsapp-float {
    position: fixed;
    z-index: 90;
    right: max(1rem, env(safe-area-inset-right));
    bottom: max(1rem, env(safe-area-inset-bottom));
    display: grid;
    width: 3.5rem;
    height: 3.5rem;
    place-items: center;
    border: 2px solid rgba(255, 255, 255, 0.72);
    border-radius: 50%;
    background: var(--color-whatsapp);
    box-shadow: 0 0 0 5px rgba(31, 122, 80, 0.12), 0 0.9rem 2rem rgba(3, 20, 38, 0.25);
    color: #ffffff;
    transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.whatsapp-float:hover {
    transform: translateY(-3px);
    background: #176441;
}

.whatsapp-float svg {
    width: 1.65rem;
    fill: currentColor;
}

/* ==========================================================
   Lightbox
========================================================== */

.lightbox {
    position: fixed;
    z-index: 500;
    inset: 0;
    display: grid;
    place-items: center;
    padding: clamp(0.75rem, 3vw, 2rem);
}

.lightbox[hidden] {
    display: none;
}

.lightbox__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(2, 11, 22, 0.96);
    backdrop-filter: blur(8px);
    cursor: zoom-out;
}

.lightbox__content {
    position: relative;
    z-index: 1;
    width: min(100%, 90rem);
    height: min(88vh, 56rem);
}

.lightbox figure {
    display: grid;
    height: 100%;
    grid-template-rows: minmax(0, 1fr) auto;
    gap: 0.75rem;
}

.lightbox figure img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.lightbox figcaption {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.82rem;
    text-align: center;
}

.lightbox__close,
.lightbox__control {
    position: absolute;
    z-index: 2;
    display: grid;
    width: 3rem;
    height: 3rem;
    place-items: center;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    background: rgba(16, 24, 32, 0.78);
    color: #ffffff;
    cursor: pointer;
    transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.lightbox__close:hover,
.lightbox__control:hover {
    border-color: var(--color-secondary);
    background: var(--color-primary);
}

.lightbox__close {
    top: 0;
    right: 0;
}

.lightbox__control {
    top: 50%;
    transform: translateY(-50%);
}

.lightbox__control--previous {
    left: 0;
}

.lightbox__control--next {
    right: 0;
}

.lightbox__close svg,
.lightbox__control svg {
    width: 1.4rem;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 1.7;
}