/* ============================================================
   ConferenciasPro — Custom Styles
   Palette: midnight #0a0f1e | electric #3b82f6 | neon #06d6a0 | 
            slate #1e293b | ash #94a3b8 | paper #f1f5f9
   Fonts: Syne (display) + Plus Jakarta Sans (body)
   ============================================================ */

:root {
    --midnight: #0a0f1e;
    --slate: #1e293b;
    --ash: #94a3b8;
    --electric: #3b82f6;
    --neon: #06d6a0;
    --amber: #f59e0b;
    --paper: #f1f5f9;
    --white: #ffffff;
    --card-bg: rgba(30, 41, 59, 0.6);
    --glass: rgba(255,255,255,0.04);
    --border: rgba(255,255,255,0.08);
    --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Base ── */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    background-color: var(--midnight);
    color: #cbd5e1;
    font-family: 'Plus Jakarta Sans', sans-serif;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* ── Page loader ── */
.page-loader {
    background: var(--midnight);
    transition: opacity 0.6s ease, visibility 0.6s ease;
}
.page-loader.hidden-loader {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}
.loader-bar {
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--electric), var(--neon));
    animation: loadbar 0.9s ease forwards;
    border-radius: 2px;
}
@keyframes loadbar { to { width: 100%; } }

/* ── Page transition overlay ── */
#page-transition {
    position: fixed;
    inset: 0;
    background: linear-gradient(135deg, var(--midnight), var(--slate));
    z-index: 9999;
    transform: scaleY(0);
    transform-origin: bottom;
    transition: transform 0.45s cubic-bezier(0.77, 0, 0.18, 1);
    pointer-events: none;
}
#page-transition.entering {
    transform: scaleY(1);
    transform-origin: bottom;
}
#page-transition.leaving {
    transform: scaleY(0);
    transform-origin: top;
}

/* ── Header ── */
.site-header {
    background: rgba(10, 15, 30, 0.0);
    backdrop-filter: blur(0px);
    transition: background 0.4s ease, backdrop-filter 0.4s ease, box-shadow 0.4s ease;
}
.site-header.scrolled {
    background: rgba(10, 15, 30, 0.92);
    backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(255,255,255,0.06);
}

.nav-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: #94a3b8;
    padding: 0.45rem 0.85rem;
    border-radius: 0.6rem;
    transition: color var(--transition), background var(--transition);
    letter-spacing: 0.01em;
}
.nav-link:hover { color: #fff; background: rgba(255,255,255,0.07); }
.nav-link.active { color: var(--electric); }

.mobile-nav-link {
    display: block;
    padding: 0.7rem 1rem;
    font-size: 0.95rem;
    font-weight: 500;
    color: #94a3b8;
    border-radius: 0.7rem;
    transition: color var(--transition), background var(--transition);
}
.mobile-nav-link:hover, .mobile-nav-link.active { color: #fff; background: rgba(59,130,246,0.12); }

/* ── Buttons ── */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, var(--electric), #6366f1);
    color: #fff;
    font-weight: 600;
    font-size: 0.875rem;
    padding: 0.85rem 1.6rem;
    border-radius: 0.75rem;
    transition: opacity var(--transition), transform var(--transition), box-shadow var(--transition);
    box-shadow: 0 4px 20px rgba(59,130,246,0.3);
    letter-spacing: 0.01em;
    cursor: pointer;
}
.btn-primary:hover { opacity: 0.9; transform: translateY(-2px); box-shadow: 0 8px 30px rgba(59,130,246,0.4); }

.btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: transparent;
    color: #fff;
    font-weight: 600;
    font-size: 0.875rem;
    padding: 0.85rem 1.6rem;
    border-radius: 0.75rem;
    border: 1px solid rgba(255,255,255,0.15);
    transition: background var(--transition), border-color var(--transition), transform var(--transition);
    cursor: pointer;
}
.btn-ghost:hover { background: rgba(255,255,255,0.06); border-color: rgba(255,255,255,0.3); transform: translateY(-1px); }

.btn-neon {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: transparent;
    color: var(--neon);
    font-weight: 600;
    font-size: 0.875rem;
    padding: 0.75rem 1.4rem;
    border-radius: 0.75rem;
    border: 1px solid rgba(6,214,160,0.3);
    transition: background var(--transition), box-shadow var(--transition);
    cursor: pointer;
}
.btn-neon:hover { background: rgba(6,214,160,0.1); box-shadow: 0 0 20px rgba(6,214,160,0.2); }

/* ── Cards ── */
.glass-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 1.25rem;
    backdrop-filter: blur(12px);
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.glass-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
    border-color: rgba(59,130,246,0.2);
}

.stat-card {
    background: linear-gradient(135deg, rgba(59,130,246,0.1), rgba(99,102,241,0.05));
    border: 1px solid rgba(59,130,246,0.15);
    border-radius: 1rem;
    padding: 1.5rem;
}

.service-card {
    position: relative;
    overflow: hidden;
    border-radius: 1.25rem;
    background: var(--card-bg);
    border: 1px solid var(--border);
    transition: transform var(--transition), box-shadow var(--transition);
}
.service-card:hover { transform: translateY(-6px); box-shadow: 0 24px 48px rgba(0,0,0,0.4); }
.service-card:hover .service-card-overlay { opacity: 1; }

.service-card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 30%, rgba(10,15,30,0.9) 100%);
    opacity: 0.7;
    transition: opacity var(--transition);
}

.team-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 1.25rem;
    overflow: hidden;
    transition: transform var(--transition), border-color var(--transition);
}
.team-card:hover { transform: translateY(-4px); border-color: rgba(6,214,160,0.25); }

.article-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 1.25rem;
    overflow: hidden;
    transition: transform var(--transition), box-shadow var(--transition);
}
.article-card:hover { transform: translateY(-5px); box-shadow: 0 20px 50px rgba(0,0,0,0.4); }
.article-card:hover .article-img { transform: scale(1.05); }

.article-img { transition: transform 0.5s cubic-bezier(0.4,0,0.2,1); }

/* ── Neon badge ── */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 0.35rem 0.9rem;
    border-radius: 999px;
    background: rgba(6,214,160,0.1);
    color: var(--neon);
    border: 1px solid rgba(6,214,160,0.25);
}

.badge-blue {
    background: rgba(59,130,246,0.12);
    color: var(--electric);
    border-color: rgba(59,130,246,0.25);
}

/* ── Section titles ── */
.section-label {
    display: block;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--neon);
    margin-bottom: 0.75rem;
}

.section-title {
    font-family: 'Syne', sans-serif;
    font-weight: 800;
    color: #f1f5f9;
    line-height: 1.1;
}

.gradient-text {
    background: linear-gradient(135deg, var(--electric), var(--neon));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ── Divider line ── */
.section-divider {
    width: 3rem;
    height: 3px;
    background: linear-gradient(90deg, var(--electric), var(--neon));
    border-radius: 2px;
    margin-bottom: 1.25rem;
}

/* ── Numbers / stats ── */
.stat-number {
    font-family: 'Syne', sans-serif;
    font-weight: 800;
    font-size: 2.75rem;
    background: linear-gradient(135deg, var(--electric), var(--neon));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

/* ── Timeline ── */
.timeline-item {
    position: relative;
    padding-left: 2rem;
}
.timeline-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.5rem;
    width: 10px;
    height: 10px;
    background: var(--electric);
    border-radius: 50%;
    box-shadow: 0 0 0 3px rgba(59,130,246,0.2);
}
.timeline-item::after {
    content: '';
    position: absolute;
    left: 4px;
    top: 1.25rem;
    width: 2px;
    bottom: -1.25rem;
    background: rgba(59,130,246,0.2);
}
.timeline-item:last-child::after { display: none; }

/* ── FAQ / Accordion ── */
.faq-item {
    border-bottom: 1px solid rgba(255,255,255,0.07);
}
.faq-question {
    width: 100%;
    text-align: left;
    padding: 1.25rem 0;
    font-size: 1rem;
    font-weight: 600;
    color: #e2e8f0;
    background: transparent;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    transition: color var(--transition);
}
.faq-question:hover { color: #fff; }
.faq-question.open { color: var(--electric); }
.faq-icon {
    flex-shrink: 0;
    width: 1.5rem;
    height: 1.5rem;
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 50%;
    display: grid;
    place-items: center;
    transition: transform var(--transition), background var(--transition);
}
.faq-question.open .faq-icon {
    transform: rotate(45deg);
    background: rgba(59,130,246,0.2);
    border-color: var(--electric);
}
.faq-answer {
    overflow: hidden;
    max-height: 0;
    transition: max-height 0.4s cubic-bezier(0.4,0,0.2,1), padding 0.3s ease;
    font-size: 0.925rem;
    color: #94a3b8;
    line-height: 1.7;
}
.faq-answer.open { max-height: 400px; padding-bottom: 1.25rem; }

/* ── Form ── */
.form-field {
    width: 100%;
    background: rgba(30,41,59,0.7);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 0.75rem;
    padding: 0.85rem 1rem;
    font-size: 0.9rem;
    color: #e2e8f0;
    transition: border-color var(--transition), box-shadow var(--transition);
    font-family: 'Plus Jakarta Sans', sans-serif;
}
.form-field:focus {
    outline: none;
    border-color: rgba(59,130,246,0.5);
    box-shadow: 0 0 0 3px rgba(59,130,246,0.1);
}
.form-field::placeholder { color: #475569; }

/* ── Cookie banner ── */
#cookie-banner {
    transform: translateY(120%);
    transition: transform 0.5s cubic-bezier(0.4,0,0.2,1);
}
#cookie-banner.show { transform: translateY(0); }

/* ── Swiper overrides ── */
.swiper-slide { height: auto; }
.swiper-pagination-bullet {
    background: rgba(255,255,255,0.3);
    opacity: 1;
    transition: background var(--transition), transform var(--transition);
}
.swiper-pagination-bullet-active {
    background: var(--electric);
    transform: scaleX(2.5);
    border-radius: 3px;
}

/* ── Scroll reveal ── */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s cubic-bezier(0.4,0,0.2,1), transform 0.7s cubic-bezier(0.4,0,0.2,1);
}
.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; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* ── Glow accent ── */
.glow-dot {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    pointer-events: none;
    z-index: 0;
}

/* ── Counter ── */
.counter-num { font-feature-settings: 'tnum'; }

/* ── Progress bars ── */
.progress-bar {
    height: 4px;
    background: rgba(255,255,255,0.08);
    border-radius: 99px;
    overflow: hidden;
}
.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--electric), var(--neon));
    border-radius: 99px;
    width: 0;
    transition: width 1.2s cubic-bezier(0.4,0,0.2,1);
}

/* ── Testimonial card ── */
.testimonial-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 1.5rem;
    padding: 2rem;
    backdrop-filter: blur(12px);
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--midnight); }
::-webkit-scrollbar-thumb { background: rgba(59,130,246,0.3); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(59,130,246,0.6); }

/* ── Utility ── */
.img-cover { width: 100%; height: 100%; object-fit: cover; }
.line-clamp-2 { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.line-clamp-3 { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }