:root {
    --color-bg: #0b0b0f;
    --color-bg-soft: #12131a;
    --color-surface: #171923;
    --color-surface-2: #1d2230;
    --color-border: rgba(255, 255, 255, 0.08);
    --color-text: #f5f7fa;
    --color-text-soft: #b8c0cc;
    --color-text-muted: #8f98a8;
    --color-primary: #ffffff;
    --color-accent: #d6b36a;
    --color-accent-hover: #e4c381;
    --color-success: #1fbf75;
    --color-danger: #e25555;
    --color-warning: #e9b949;

    --font-base: "Inter", "Segoe UI", Arial, sans-serif;
    --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.18);
    --shadow-medium: 0 20px 60px rgba(0, 0, 0, 0.28);
    --radius-sm: 10px;
    --radius-md: 18px;
    --radius-lg: 24px;
    --radius-xl: 32px;

    --header-height: 82px;
    --transition-fast: 0.25s ease;
    --transition-normal: 0.35s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-base);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
}

body,
h1,
h2,
h3,
h4,
h5,
h6,
p,
ul,
ol {
    margin: 0;
}

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

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-fast);
}

a:hover {
    color: var(--color-accent);
}

main {
    min-height: 100vh;
}

section {
    position: relative;
}

.container {
    position: relative;
    z-index: 2;
}

.text-muted {
    color: var(--color-text-muted) !important;
}

/* =========================
   HEADER
========================= */
.site-header {
    transition: var(--transition-normal);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    background: rgba(10, 10, 14, 0.45);
    border-bottom: 1px solid transparent;
}

.site-header.scrolled {
    background: rgba(10, 10, 14, 0.88);
    border-bottom-color: var(--color-border);
    box-shadow: var(--shadow-soft);
}

.site-header .navbar {
    min-height: var(--header-height);
}

.site-header .navbar-brand {
    font-size: 1rem;
    letter-spacing: 0.16em;
    color: #fff;
}

.site-header .nav-link {
    color: rgba(255, 255, 255, 0.92);
    font-size: 1.08rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    padding: 0.85rem 1.1rem !important;
    position: relative;
    transition: color var(--transition-fast), transform var(--transition-fast), text-shadow var(--transition-fast);
}

.site-header .nav-link:hover,
.site-header .nav-link:focus {
    color: #fff;
    transform: translateY(-2px);
    text-shadow: 0 0 14px rgba(214, 179, 106, 0.28);
}

.site-header .nav-link::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: 0.45rem;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    border-radius: 999px;
    transform: translateX(-50%);
    transition: width var(--transition-fast);
}

.site-header .nav-link:hover::after,
.site-header .nav-link:focus::after {
    width: 62%;
}

.site-header .nav-link-highlight {
    margin-inline: 0.2rem;
    border-radius: 999px;
    background: linear-gradient(135deg, rgba(214, 179, 106, 0.95), rgba(228, 195, 129, 0.92));
    color: #111 !important;
    box-shadow: 0 12px 26px rgba(214, 179, 106, 0.24);
}

.site-header .nav-link-highlight:hover,
.site-header .nav-link-highlight:focus {
    color: #111 !important;
    background: linear-gradient(135deg, rgba(228, 195, 129, 1), rgba(214, 179, 106, 1));
    text-shadow: none;
}

.site-header .nav-link-highlight::after {
    display: none;
}

.site-header .navbar-toggler {
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: none;
}

.site-header .social-icons a {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.site-header .social-icons a:hover {
    transform: translateY(-2px);
    background: rgba(214, 179, 106, 0.18);
    color: var(--color-accent);
}

/* =========================
   FOOTER
========================= */
.site-footer {
    background: linear-gradient(180deg, #0f1118 0%, #090a0f 100%);
    border-top: 1px solid var(--color-border);
    color: var(--color-text-soft);
}

.site-footer h3,
.site-footer .h5 {
    color: #fff;
    margin-bottom: 0.8rem;
}

.site-footer p {
    color: var(--color-text-soft);
}

/* =========================
   TITULOS DE SECCIÓN
========================= */
.section-kicker {
    display: inline-block;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--color-accent);
    margin-bottom: 1rem;
    font-weight: 700;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3.2rem);
    line-height: 1.1;
    font-weight: 800;
    color: #fff;
    margin-bottom: 1.25rem;
}

.section-description {
    max-width: 760px;
    margin: 0 auto;
    color: var(--color-text-soft);
    font-size: 1.05rem;
}

/* =========================
   FORMULARIOS
========================= */
.form-label {
    font-weight: 600;
    color: #fff;
    margin-bottom: 0.45rem;
}

.form-control,
.form-select,
textarea.form-control {
    border-radius: 14px;
    min-height: 52px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.03);
    color: #fff;
    box-shadow: none;
    padding: 0.9rem 1rem;
}

textarea.form-control {
    min-height: 140px;
    resize: vertical;
}

.form-control::placeholder,
textarea.form-control::placeholder {
    color: rgba(255, 255, 255, 0.42);
}

.form-control:focus,
.form-select:focus,
textarea.form-control:focus {
    border-color: rgba(214, 179, 106, 0.7);
    box-shadow: 0 0 0 0.2rem rgba(214, 179, 106, 0.12);
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
}

/* =========================
   ALERTAS
========================= */
.alert {
    border: none;
    border-radius: 14px;
    padding: 1rem 1.1rem;
    font-weight: 500;
}

.alert-success {
    background: rgba(31, 191, 117, 0.12);
    color: #b8ffd8;
}

.alert-danger {
    background: rgba(226, 85, 85, 0.12);
    color: #ffd0d0;
}

.alert-warning {
    background: rgba(233, 185, 73, 0.12);
    color: #ffe7b0;
}

/* =========================
   BOTONES
========================= */
.btn {
    border-radius: 999px;
    padding: 0.85rem 1.5rem;
    font-weight: 600;
    transition: var(--transition-fast);
}

.btn-lg {
    padding: 1rem 1.8rem;
    font-size: 1rem;
}

.btn-dark {
    background: #fff;
    border-color: #fff;
    color: #0d0f14;
}

.btn-dark:hover,
.btn-dark:focus {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: #111;
    transform: translateY(-2px);
}

.btn-light {
    background: #fff;
    border-color: #fff;
    color: #111;
}

.btn-light:hover,
.btn-light:focus {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: #111;
    transform: translateY(-2px);
}

.btn-outline-light:hover,
.btn-outline-light:focus {
    color: #111;
    background: #fff;
    transform: translateY(-2px);
}

/* =========================
   TARJETAS BASE
========================= */
.card-soft {
    background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02));
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
}

/* =========================
   UTILIDADES
========================= */
.bg-soft-dark {
    background: var(--color-bg-soft);
}

.surface-box {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
}

.rounded-4 {
    border-radius: var(--radius-lg) !important;
}

.shadow-soft {
    box-shadow: var(--shadow-soft);
}

.shadow-medium {
    box-shadow: var(--shadow-medium);
}

/* =========================
   RESPONSIVE
========================= */
@media (max-width: 991.98px) {
    .site-header .navbar-collapse {
        margin-top: 1rem;
        padding: 1rem;
        border-radius: 18px;
        background: rgba(10, 10, 14, 0.95);
        border: 1px solid var(--color-border);
    }

    .site-header .social-icons {
        margin-top: 1rem;
    }

    .site-header .nav-link-highlight {
        text-align: center;
        margin-top: 0.35rem;
    }
}

@media (max-width: 767.98px) {
    :root {
        --header-height: 74px;
    }

    .section-title {
        font-size: 2rem;
    }

    .section-description {
        font-size: 0.98rem;
    }
}


.header-actions {
    margin-left: auto;
}

.header-admin-btn {
    border-radius: 999px;
    padding: 0.55rem 1rem;
    font-size: 0.9rem;
    font-weight: 600;
    line-height: 1.2;
    white-space: nowrap;
}

.header-admin-btn:hover,
.header-admin-btn:focus {
    transform: translateY(-2px);
}

@media (max-width: 991.98px) {
    .header-actions {
        margin-top: 1rem;
        align-items: flex-start;
    }

    .header-admin-btn {
        width: auto;
    }
}