/* ============================================================
   LANDING PAGE STYLES - LiberBit World v0.3
   UNIFIED with app design system
   Añadir DESPUÉS de main.css: <link rel="stylesheet" href="css/landing.css">
   ============================================================ */

:root {
    --l-accent: #E5B95C;
    --l-accent-hover: #d4a844;
    --l-accent-light: rgba(229, 185, 92, 0.1);
    --l-teal: #2C5F6F;
    --l-teal-light: #3D7585;
    --l-text: #E8E6E3;
    --l-text-2: #8AA4B0;
    --l-text-3: #5a7a88;
    --l-bg: #0D171E;
    --l-bg-alt: rgba(44, 95, 111, 0.08);
    --l-border: rgba(44, 95, 111, 0.4);
    --l-card: rgba(44, 95, 111, 0.15);
    --l-radius: 16px;
}

/* ============ NAV ============ */
.landing-nav {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.75rem 0;
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--l-border);
    flex-wrap: wrap;
}
.landing-nav-link {
    color: var(--l-text-2);
    text-decoration: none;
    font-family: var(--font-body);
    font-size: 0.8125rem;
    font-weight: 500;
    padding: 0.375rem 0.75rem;
    border-radius: 8px;
    transition: all 0.2s;
}
.landing-nav-link:hover {
    color: var(--l-text);
    background: var(--l-bg-alt);
}
.landing-nav-actions {
    margin-left: auto;
    display: flex;
    gap: 0.5rem;
}
.landing-nav-btn-outline {
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.4rem 1rem;
    background: transparent;
    color: var(--l-text-2);
    border: 1.5px solid var(--l-border);
    border-radius: 9px;
    cursor: pointer;
    transition: all 0.2s;
}
.landing-nav-btn-outline:hover {
    color: var(--l-text);
    border-color: var(--l-accent);
}
.landing-nav-btn-solid {
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.4rem 1rem;
    background: var(--l-accent);
    color: #0D171E;
    border: none;
    border-radius: 9px;
    cursor: pointer;
    transition: all 0.2s;
}
.landing-nav-btn-solid:hover {
    background: var(--l-accent-hover);
    transform: translateY(-1px);
}

/* ============ HERO ============ */
.landing-hero {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 4rem 0 3rem;
    position: relative;
    overflow: hidden;
}
.landing-hero-glow {
    position: absolute;
    top: -30%;
    left: 50%;
    transform: translateX(-50%);
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, rgba(229, 185, 92, 0.06) 0%, rgba(44, 95, 111, 0.04) 40%, transparent 65%);
    pointer-events: none;
}
.landing-hero-content {
    position: relative;
    z-index: 1;
    max-width: 780px;
    margin: 0 auto;
}
.landing-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.3rem 0.875rem;
    background: var(--l-accent-light);
    border: 1px solid rgba(229, 185, 92, 0.25);
    border-radius: 100px;
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--l-accent);
    margin-bottom: 2rem;
    animation: lfadeUp 0.8s ease both;
}
.landing-badge-dot {
    width: 5px;
    height: 5px;
    background: var(--l-accent);
    border-radius: 50%;
    animation: lpulse 2s ease-in-out infinite;
}
.landing-h1 {
    font-family: var(--font-body) !important;
    font-size: clamp(2.5rem, 6vw, 4rem) !important;
    line-height: 1.1 !important;
    font-weight: 800 !important;
    letter-spacing: -0.03em !important;
    color: var(--l-text) !important;
    margin-bottom: 1.5rem !important;
    animation: lfadeUp 0.8s 0.1s ease both;
}
.landing-h1 em {
    font-style: normal;
    color: var(--l-accent);
}
.landing-sub {
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--l-text-2);
    max-width: 540px;
    margin: 0 auto 2.5rem;
    line-height: 1.65;
    font-weight: 300;
    animation: lfadeUp 0.8s 0.2s ease both;
}
.landing-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.875rem;
    animation: lfadeUp 0.8s 0.3s ease both;
    flex-wrap: wrap;
}
.landing-btn-primary {
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 700;
    padding: 0.8rem 1.75rem;
    background: var(--l-accent);
    color: #0D171E;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.25s;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}
.landing-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(229, 185, 92, 0.25);
    filter: brightness(1.1);
}
.landing-btn-secondary {
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 500;
    padding: 0.8rem 1.75rem;
    background: transparent;
    color: var(--l-text);
    border: 1.5px solid var(--l-border);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.25s;
    text-decoration: none;
}
.landing-btn-secondary:hover {
    border-color: var(--l-teal-light);
    transform: translateY(-2px);
}

/* ============ QUOTE ============ */
.landing-quote {
    margin-top: 3.5rem;
    padding-top: 2.5rem;
    border-top: 1px solid var(--l-border);
    animation: lfadeUp 0.8s 0.5s ease both;
}
.landing-quote blockquote {
    font-family: var(--font-body);
    font-size: 1.2rem;
    font-style: italic;
    color: var(--l-text-2);
    line-height: 1.55;
    font-weight: 300;
}
.landing-quote cite {
    display: block;
    margin-top: 0.625rem;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 400;
    font-style: normal;
    color: var(--l-text-3);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* ============ BANNER IMAGE ============ */
.landing-banner-img {
    margin: -1rem 0 0;
    border-radius: var(--l-radius);
    overflow: hidden;
    border: 1.5px solid var(--l-border);
}
.landing-banner-img img {
    width: 100%;
    height: auto;
    display: block;
}

/* ============ SECTIONS ============ */
.landing-section {
    padding: 5rem 0;
}
.landing-section-alt {
    background: var(--l-bg-alt);
    border-top: 1px solid var(--l-border);
    border-bottom: 1px solid var(--l-border);
    margin: 0 -2rem;
    padding: 5rem 2rem;
}
.landing-inner {
    max-width: 1000px;
    margin: 0 auto;
}
.landing-label {
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--l-accent);
    margin-bottom: 0.75rem;
}
.landing-title {
    font-family: var(--font-body);
    font-size: clamp(1.75rem, 3.5vw, 2.5rem);
    line-height: 1.15;
    letter-spacing: -0.02em;
    color: var(--l-text);
    margin-bottom: 0.875rem;
    font-weight: 800;
}
.landing-desc {
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--l-text-2);
    max-width: 560px;
    line-height: 1.6;
    font-weight: 300;
}

/* ============ MISSION ============ */
.landing-mission-grid {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 2.5rem;
    text-align: center;
}
.landing-mission-divider {
    width: 1px;
    background: var(--l-border);
    align-self: stretch;
    margin: 0.5rem 0;
}
.landing-mission-icon {
    font-size: 1.75rem;
    margin-bottom: 0.75rem;
}
.landing-mission-title {
    font-family: var(--font-body);
    font-size: 1.25rem;
    line-height: 1.35;
    color: var(--l-text);
    margin-bottom: 0.75rem;
    font-weight: 700;
}
.landing-mission-desc {
    font-family: var(--font-body);
    font-size: 0.85rem;
    color: var(--l-text-2);
    line-height: 1.6;
    max-width: 380px;
    margin: 0 auto;
}

/* ============ MANIFESTO ============ */
.landing-manifesto-lines {
    max-width: 620px;
    margin: 2.5rem auto 0;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}
.landing-verse {
    font-family: var(--font-body);
    font-size: 1.05rem;
    line-height: 1.6;
    color: var(--l-text-2);
    font-style: italic;
    font-weight: 300;
}
.landing-verse strong {
    color: var(--l-accent);
    font-style: normal;
    font-weight: 700;
}
.landing-trinity {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 2.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--l-border);
    flex-wrap: wrap;
}
.landing-trinity-item {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    color: var(--l-accent);
}
.landing-trinity-sep {
    color: var(--l-text-3);
}

/* ============ WHY ============ */
.landing-why-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 2.5rem;
}
.landing-why-card {
    background: var(--l-card);
    border: 1.5px solid var(--l-border);
    border-radius: var(--l-radius);
    padding: 1.5rem;
    transition: all 0.3s;
}
.landing-why-card:hover {
    transform: translateY(-2px);
    border-color: var(--l-accent);
    box-shadow: 0 8px 30px rgba(229, 185, 92, 0.1);
}
.landing-why-icon {
    font-size: 1.375rem;
    margin-bottom: 0.75rem;
}
.landing-why-card h3 {
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--l-text);
    margin-bottom: 0.375rem;
}
.landing-why-card p {
    font-family: var(--font-body);
    font-size: 0.825rem;
    color: var(--l-text-2);
    line-height: 1.55;
}

/* ============ WHAT IS ============ */
.landing-what-list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin-top: 2.5rem;
}
.landing-what-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}
.landing-what-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, rgba(44, 95, 111, 0.3), rgba(44, 95, 111, 0.1));
    border: 1px solid var(--l-border);
    border-radius: 11px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}
.landing-what-item h3 {
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--l-text);
    margin-bottom: 0.25rem;
}
.landing-what-item p {
    font-family: var(--font-body);
    font-size: 0.825rem;
    color: var(--l-text-2);
    line-height: 1.55;
}

/* ============ PRINCIPLES ============ */
.landing-principles-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.875rem;
    margin-top: 2.5rem;
}
.landing-principle {
    background: var(--l-card);
    border: 1.5px solid var(--l-border);
    border-radius: 14px;
    padding: 1.25rem;
    text-align: center;
    transition: all 0.3s;
    width: calc(25% - 0.66rem);
    min-width: 180px;
}
.landing-principle:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.2);
    border-color: var(--l-accent);
}
.landing-principle-num {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    color: var(--l-accent);
    line-height: 1;
    margin-bottom: 0.5rem;
    display: block;
    font-weight: 600;
}
.landing-principle h3 {
    font-family: var(--font-body);
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--l-text);
    margin-bottom: 0.25rem;
}
.landing-principle p {
    font-family: var(--font-body);
    font-size: 0.75rem;
    color: var(--l-text-2);
    line-height: 1.45;
}

/* ============ MERITS ============ */
.landing-merits-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.875rem;
    margin-top: 2.5rem;
}
.landing-merit {
    background: var(--l-card);
    border: 1.5px solid var(--l-border);
    border-radius: var(--l-radius);
    padding: 1.25rem;
    text-align: center;
    transition: all 0.3s;
}
.landing-merit:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.2);
    border-color: var(--l-accent);
}
.landing-merit-emoji {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}
.landing-merit h3 {
    font-family: var(--font-body);
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--l-text);
    margin-bottom: 0.25rem;
}
.landing-merit p {
    font-family: var(--font-body);
    font-size: 0.75rem;
    color: var(--l-text-2);
    line-height: 1.45;
}

/* ============ DOCS ============ */
.landing-docs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 2.5rem;
}
.landing-doc-card {
    background: var(--l-card);
    border: 1.5px solid var(--l-border);
    border-radius: var(--l-radius);
    padding: 1.5rem;
    text-decoration: none;
    color: var(--l-text);
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
    position: relative;
    overflow: hidden;
}
.landing-doc-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2.5px;
    background: linear-gradient(90deg, var(--l-accent), var(--l-teal-light));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s;
}
.landing-doc-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.25);
    border-color: var(--l-accent);
}
.landing-doc-card:hover::after {
    transform: scaleX(1);
}
.landing-doc-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.landing-doc-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, rgba(44, 95, 111, 0.3), rgba(44, 95, 111, 0.1));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}
.landing-doc-tag {
    font-family: var(--font-mono);
    padding: 0.15rem 0.5rem;
    background: var(--l-bg-alt);
    border: 1px solid var(--l-border);
    border-radius: 5px;
    font-size: 0.6rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--l-text-3);
}
.landing-doc-card h3 {
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 700;
}
.landing-doc-card p {
    font-family: var(--font-body);
    font-size: 0.8125rem;
    color: var(--l-text-2);
    line-height: 1.5;
    flex-grow: 1;
}
.landing-doc-link {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--l-accent);
}

/* ============ CTA ============ */
.landing-cta-box {
    background: linear-gradient(145deg, rgba(44, 95, 111, 0.2), rgba(44, 95, 111, 0.05));
    border: 1.5px solid var(--l-border);
    border-radius: 24px;
    padding: 4rem 2.5rem;
    position: relative;
    overflow: hidden;
}
.landing-cta-glow {
    position: absolute;
    top: -40%;
    right: -15%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(229, 185, 92, 0.1) 0%, transparent 65%);
    pointer-events: none;
}
.landing-cta-title {
    font-family: var(--font-body);
    font-size: clamp(1.75rem, 3.5vw, 2.25rem);
    line-height: 1.15;
    color: var(--l-text);
    max-width: 550px;
    margin: 0 auto 0.875rem;
    font-weight: 800;
}
.landing-cta-title em {
    color: var(--l-accent);
    font-style: normal;
}
.landing-cta-desc {
    font-family: var(--font-body);
    font-size: 0.9375rem;
    color: var(--l-text-2);
    max-width: 480px;
    margin: 0 auto 2rem;
    line-height: 1.6;
    font-weight: 300;
}
.landing-btn-cta {
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 700;
    padding: 0.875rem 2rem;
    background: var(--l-accent);
    color: #0D171E;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.25s;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}
.landing-btn-cta:hover {
    background: var(--l-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(229, 185, 92, 0.25);
}

/* ============ FOOTER ============ */
.landing-footer {
    padding: 2rem 0;
    border-top: 1px solid var(--l-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-family: var(--font-body);
    font-size: 0.7rem;
    color: var(--l-text-3);
    flex-wrap: wrap;
    gap: 1rem;
}
.landing-footer-links {
    display: flex;
    gap: 1.25rem;
}
.landing-footer-links a {
    color: var(--l-text-2);
    text-decoration: none;
    font-size: 0.7rem;
    transition: color 0.2s;
}
.landing-footer-links a:hover {
    color: var(--l-accent);
}

/* ============ ANIMATIONS ============ */
@keyframes lfadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes lpulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.35; }
}

/* ============ RESPONSIVE ============ */
@media (max-width: 768px) {
    .landing-mission-grid { grid-template-columns: 1fr; gap: 1.5rem; }
    .landing-mission-divider { width: 100%; height: 1px; margin: 0; }
    .landing-why-grid { grid-template-columns: 1fr; }
    .landing-merits-grid { grid-template-columns: 1fr 1fr; }
    .landing-section-alt { margin: 0 -1rem; padding: 3.5rem 1rem; }
    .landing-cta-box { padding: 2.5rem 1.25rem; }
    .landing-nav .landing-nav-link { display: none; }
    .landing-nav { justify-content: flex-end; }
    .landing-hero { min-height: 70vh; padding: 2rem 0; }
    .landing-section { padding: 3.5rem 0; }
    .landing-footer { flex-direction: column; text-align: center; }
}
@media (max-width: 480px) {
    .landing-merits-grid { grid-template-columns: 1fr; }
    .landing-principles-grid .landing-principle { width: calc(50% - 0.5rem); min-width: 0; }
    .landing-actions { flex-direction: column; }
    .landing-actions a, .landing-actions button { width: 100%; justify-content: center; text-align: center; }
    .landing-trinity { flex-direction: column; gap: 0.5rem; }
    .landing-trinity-sep { display: none; }
}