/* =============================================
   VARIABLES Y RESET
============================================= */
:root {
    --primary:    #0a74da;
    --primary-dk: #0859a8;
    --accent:     #00c9a7;
    --accent-dk:  #009e84;
    --dark:       #1a1f2e;
    --dark-2:     #252b3b;
    --gray:       #6b7280;
    --light:      #f4f6fb;
    --white:      #ffffff;
    --danger:     #e74c3c;
    --success:    #27ae60;
    --radius:     10px;
    --shadow:     0 4px 20px rgba(0,0,0,0.10);
    --shadow-lg:  0 8px 40px rgba(0,0,0,0.18);
}

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

html { scroll-behavior: smooth; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background: url('circuit-bg.jpg') center center fixed;
    background-size: cover;
    background-color: var(--light);
    color: var(--dark);
    padding-top: 56px;           /* altura del nav fijo */
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    position: relative;
}

body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(244, 246, 251, 0.85); /* var(--light) with opacity */
    z-index: -1;
}

/* =============================================
   NAV
============================================= */
.nav-top {
    background: var(--dark);
    padding: 0 24px;
    border-bottom: 3px solid var(--primary);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-brand {
    color: var(--white) !important;
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: .5px;
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    padding: 14px 0;
}

.nav-icon { font-size: 1.3rem; }

.nav-links {
    display: flex;
    gap: 4px;
}

.nav-links .pure-menu-link {
    color: #cbd5e1 !important;
    font-size: .9rem;
    padding: 16px 14px;
    transition: color .2s;
}

.nav-links .pure-menu-link:hover {
    color: var(--white) !important;
    background: rgba(255,255,255,0.06) !important;
    border-radius: var(--radius);
}

/* =============================================
   HERO
============================================= */
.hero {
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-2) 50%, #0d2149 100%);
    color: var(--white);
    text-align: center;
    padding: 96px 24px 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    width: 520px; height: 520px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(10,116,218,.25) 0%, transparent 70%);
    top: -120px; right: -100px;
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    width: 380px; height: 380px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0,201,167,.15) 0%, transparent 70%);
    bottom: -80px; left: -60px;
    pointer-events: none;
}

.hero-content { position: relative; z-index: 1; max-width: 700px; margin: 0 auto; }

.hero-title {
    font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 18px;
    background: linear-gradient(90deg, #fff 60%, var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: #94a3b8;
    max-width: 520px;
    margin: 0 auto 36px;
    line-height: 1.6;
}

.hero-buttons { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* =============================================
   BOTONES
============================================= */
.pure-button { border-radius: 8px !important; font-size: .95rem !important; padding: 10px 26px !important; transition: all .2s !important; cursor: pointer; border: 2px solid transparent !important; font-weight: 600 !important; }

.button-primary { background: var(--primary) !important; color: var(--white) !important; }
.button-primary:hover { background: var(--primary-dk) !important; transform: translateY(-2px); box-shadow: 0 4px 14px rgba(10,116,218,.4) !important; }

.button-secondary { background: transparent !important; color: var(--white) !important; border: 2px solid var(--accent) !important; }
.button-secondary:hover { background: var(--accent) !important; color: var(--dark) !important; transform: translateY(-2px); }

.button-nas { background: var(--accent) !important; color: var(--dark) !important; }
.button-nas:hover { background: var(--accent-dk) !important; transform: translateY(-2px); box-shadow: 0 4px 14px rgba(0,201,167,.4) !important; }

.button-ghost { background: transparent !important; color: var(--gray) !important; border: 2px solid #d1d5db !important; }
.button-ghost:hover { border-color: var(--gray) !important; }

.button-disabled { background: #d1d5db !important; color: #9ca3af !important; cursor: not-allowed !important; }

.btn-full { width: 100% !important; margin-top: 8px; }

/* =============================================
   STATS BAR
============================================= */
.stats-bar {
    background: var(--white);
    border-bottom: 1px solid #e5e7eb;
    padding: 24px 0;
}

.stats-grid { max-width: 900px; margin: 0 auto; }

.stat-item {
    text-align: center;
    padding: 12px 20px;
    border-right: 1px solid #e5e7eb;
}

.stat-item:last-child { border-right: none; }

.stat-number { display: block; font-size: 2rem; font-weight: 800; color: var(--primary); }
.stat-label  { display: block; font-size: .82rem; color: var(--gray); text-transform: uppercase; letter-spacing: .8px; margin-top: 2px; }

/* =============================================
   SECCIONES
============================================= */
.section { padding: 72px 24px; }

.section-light { background: transparent; }

.section-dark {
    background: linear-gradient(160deg, var(--dark) 0%, var(--dark-2) 100%);
    color: var(--white);
}

.section-contact { background: var(--white); }

.section-container { max-width: 1080px; margin: 0 auto; }

.section-header { text-align: center; margin-bottom: 48px; }

.section-icon {
    font-size: 3rem;
    display: block;
    margin: 0 auto 14px;
    filter: drop-shadow(0 2px 8px rgba(0,0,0,.15));
}

.section-title { 
    font-size: clamp(1.6rem, 3vw, 2.2rem); 
    font-weight: 800; 
    margin-bottom: 12px; 
    background: var(--dark);
    color: var(--white);
    padding: 15px 25px;
    border-radius: var(--radius);
    display: block;
    width: 100%;
}

.section-dark .section-title { color: var(--white); }

.section-desc { font-size: 1rem; color: var(--gray); max-width: 520px; margin: 0 auto; line-height: 1.6; }

.section-dark .section-desc { color: #94a3b8; }

/* =============================================
   CARDS EQUIPOS MACs
============================================= */
.card-grid { gap: 0; }

.equipo-card {
    margin: 0 12px 24px;
    background: var(--white);
    border-radius: 14px;
    padding: 28px 24px;
    text-align: center;
    box-shadow: var(--shadow);
    position: relative;
    transition: transform .22s, box-shadow .22s;
    border: 2px solid transparent;
}

.equipo-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

/* =============================================
   TOOLTIP EN CARDS
============================================= */
.equipo-card .tooltip {
    display: none;
    position: absolute;
    bottom: calc(100% + 12px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--dark);
    color: var(--white);
    padding: 12px 16px;
    border-radius: 8px;
    width: 100%;
    text-align: left;
    box-shadow: var(--shadow-lg);
    z-index: 20;
    pointer-events: none;
}

.equipo-card .tooltip p {
    font-size: .80rem;
    line-height: 1.55;
    margin-bottom: 6px;
    color: #cbd5e1;
}

.equipo-card .tooltip p:last-child {
    margin-bottom: 0;
}

.equipo-card .tooltip code {
    background: rgba(255,255,255,.12);
    border-radius: 4px;
    padding: 1px 5px;
    font-size: .78rem;
    color: var(--accent);
}

/* flecha inferior */
.equipo-card .tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 7px solid transparent;
    border-top-color: var(--dark);
}

.equipo-card:hover .tooltip {
    display: block;
}

.equipo-badge {
    position: absolute;
    top: 14px; right: 14px;
    font-size: .72rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: .5px;
}

.equipo-badge.available { background: #d1fae5; color: #065f46; }
.equipo-badge.unavailable { background: #fee2e2; color: #991b1b; }

.equipo-img { font-size: 4rem; margin: 10px 0 16px; display: block; }
.mac-unavailable { opacity: .4; filter: grayscale(1); }

.equipo-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
.equipo-specs { font-size: .82rem; color: var(--gray); margin-bottom: 6px; }
.equipo-id { font-size: .78rem; color: #94a3b8; font-family: monospace; margin-bottom: 14px; }

/* =============================================
   CARDS NAS
============================================= */
.nas-card {
    margin: 0 12px 24px;
    background: rgba(255,255,255,.06);
    border: 1px solid rgba(255,255,255,.12);
    border-radius: 14px;
    padding: 28px;
    transition: background .2s, border-color .2s;
}

.nas-card:hover {
    background: rgba(255,255,255,.1);
    border-color: var(--accent);
}

.nas-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
.nas-title-text { font-size: 1.1rem; font-weight: 700; color: var(--white); }
.nas-status { font-size: .8rem; font-weight: 600; }
.nas-status.online { color: var(--accent); }

.nas-capacity { margin-bottom: 18px; }
.capacity-bar-bg {
    background: rgba(255,255,255,.1);
    border-radius: 20px;
    height: 10px;
    margin-bottom: 8px;
    overflow: hidden;
}

.capacity-bar {
    height: 100%;
    border-radius: 20px;
    background: linear-gradient(90deg, var(--primary), #4fa8f7);
    font-size: 0;
    transition: width .6s ease;
}

.capacity-bar.capacity-low {
    background: linear-gradient(90deg, var(--accent), #7eebd3);
}

.capacity-text { font-size: .82rem; color: #94a3b8; }

.nas-features { list-style: none; padding: 0; }
.nas-features li { font-size: .88rem; color: #cbd5e1; padding: 5px 0; }

/* =============================================
   FORMULARIOS
============================================= */
.reserva-form-container {
    background: var(--white);
    border-radius: 16px;
    padding: 36px;
    box-shadow: var(--shadow);
    margin-top: 40px;
}

.reserva-form-dark {
    background: rgba(255,255,255,.06);
    border: 1px solid rgba(255,255,255,.12);
}

.form-title { font-size: 1.25rem; font-weight: 700; margin-bottom: 24px; color: var(--dark); }
.reserva-form-dark .form-title { color: var(--white); }

.form-row { margin-bottom: 4px; }

.form-field { padding: 0 10px 16px 0; }
.form-field:last-child { padding-right: 0; }

.pure-form label {
    font-size: .88rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 6px;
    display: block;
}

.reserva-form-dark .pure-form label { color: #cbd5e1; }

.pure-form input[type="text"],
.pure-form input[type="email"],
.pure-form input[type="number"],
.pure-form input[type="date"],
.pure-form select,
.pure-form textarea {
    border: 2px solid #e5e7eb !important;
    border-radius: 8px !important;
    padding: 10px 14px !important;
    font-size: .9rem !important;
    color: var(--dark);
    background: var(--white);
    transition: border-color .2s, box-shadow .2s !important;
    width: 100% !important;
}

.pure-form input:focus,
.pure-form select:focus,
.pure-form textarea:focus {
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 3px rgba(10,116,218,.15) !important;
    outline: none !important;
}

.reserva-form-dark .pure-form input,
.reserva-form-dark .pure-form select,
.reserva-form-dark .pure-form textarea {
    background: rgba(255,255,255,.08) !important;
    border-color: rgba(255,255,255,.15) !important;
    color: var(--white) !important;
}

.reserva-form-dark .pure-form input::placeholder,
.reserva-form-dark .pure-form textarea::placeholder { color: #6b7280 !important; }

.reserva-form-dark .pure-form select option { background: var(--dark-2); color: var(--white); }

.reserva-form-dark .pure-form input:focus,
.reserva-form-dark .pure-form select:focus,
.reserva-form-dark .pure-form textarea:focus {
    border-color: var(--accent) !important;
    box-shadow: 0 0 0 3px rgba(0,201,167,.2) !important;
}

.form-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 8px; }

/* =============================================
   CONTACTO
============================================= */
.contact-grid { max-width: 800px; margin: 48px auto 0; }

.contact-item {
    text-align: center;
    padding: 28px 20px;
    transition: transform .2s;
}

.contact-item:hover { transform: translateY(-4px); }

.contact-icon { font-size: 2.5rem; margin-bottom: 12px; display: block; }
.contact-item h4 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; color: var(--dark); }
.contact-item p { font-size: .9rem; color: var(--gray); line-height: 1.7; }

/* =============================================
   FOOTER
============================================= */
.footer {
    background: var(--dark);
    color: #64748b;
    text-align: center;
    padding: 22px 24px;
    font-size: .85rem;
    margin-top: auto;
}

/* =============================================
   MODAL
============================================= */
.modal-overlay {
    position: fixed; inset: 0;
    background: rgba(0,0,0,.55);
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(4px);
}

.modal-overlay.active { display: flex; }

.modal-box {
    background: var(--white);
    border-radius: 16px;
    padding: 48px 40px;
    text-align: center;
    max-width: 420px;
    width: 90%;
    box-shadow: var(--shadow-lg);
    animation: popIn .28s ease;
}

@keyframes popIn {
    from { transform: scale(.85); opacity: 0; }
    to   { transform: scale(1);   opacity: 1; }
}

.modal-icon { font-size: 3rem; margin-bottom: 16px; display: block; }
.modal-icon.success { color: var(--success); }
.modal-box h3 { font-size: 1.4rem; font-weight: 800; margin-bottom: 10px; }
.modal-box p  { font-size: .95rem; color: var(--gray); margin-bottom: 28px; line-height: 1.6; }

/* =============================================
   RESPONSIVE
============================================= */
@media (max-width: 767px) {
    .nav-links { display: none; }

    .hero { padding: 64px 20px 56px; }

    .stat-item { border-right: none; border-bottom: 1px solid #e5e7eb; }
    .stat-item:last-child { border-bottom: none; }

    .equipo-card, .nas-card { margin: 0 0 20px; }

    .reserva-form-container { padding: 24px 18px; }

    .form-field { padding-right: 0; }

    .form-actions { flex-direction: column; }
    .form-actions .pure-button { width: 100% !important; text-align: center; }
}