/* ============================================
   APLICACIONES - Grupo UTP Software Suite
   POS+ | Imprime+ | Planilla+
   ============================================ */

:root {
    --navy: #1e3a8a;
    --royal: #1d4ed8;
    --sky: #3b82f6;
    --gold: #facc15;
    --white: #ffffff;
    --slate: #1e293b;
    --light: #f8fafc;
    --gray: #64748b;
    --radius: 12px;
    --shadow: 0 4px 24px rgba(0,0,0,.08);
    --shadow-lg: 0 12px 40px rgba(0,0,0,.12);
    --transition: .3s cubic-bezier(.4,0,.2,1);

    /* App colors */
    --pos: #2563eb;
    --pos-dark: #1e40af;
    --pos-light: #dbeafe;
    --imprime: #7c3aed;
    --imprime-dark: #5b21b6;
    --imprime-light: #ede9fe;
    --planilla: #059669;
    --planilla-dark: #047857;
    --planilla-light: #d1fae5;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
    overflow-x: hidden;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--slate);
    line-height: 1.6;
    background: var(--white);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    width: 100%;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ============ NAVBAR ============ */
.app-navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255,255,255,.95);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(0,0,0,.06);
    transition: var(--transition);
}

.app-navbar.scrolled {
    box-shadow: var(--shadow);
}

.app-nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.app-nav-logo {
    display: flex;
    align-items: center;
    gap: 0;
    font-weight: 800;
    font-size: 1.5rem;
    cursor: pointer;
}

.logo-grupo {
    color: var(--navy);
    padding: 4px 8px;
    border: 3px solid var(--navy);
}

.logo-utp {
    color: var(--white);
    background: var(--navy);
    padding: 4px 8px;
}

.app-nav-links {
    display: flex;
    align-items: center;
    gap: 24px;
}

.app-nav-links a {
    font-weight: 500;
    font-size: .95rem;
    color: var(--slate);
    transition: var(--transition);
}

.app-nav-links a:hover {
    color: var(--royal);
}

.back-home {
    background: var(--navy);
    color: var(--white) !important;
    padding: 6px 16px;
    border-radius: 6px;
    font-weight: 600;
    font-size: .85rem;
}

.back-home:hover {
    background: var(--royal);
}

.app-nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    position: relative;
    z-index: 1010;
}

.app-nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--slate);
    border-radius: 2px;
    transition: var(--transition);
}

/* ============ HERO ============ */
.apps-hero {
    position: relative;
    min-height: 480px;
    display: flex;
    align-items: center;
    padding-top: 72px;
    background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 50%, #1d4ed8 100%);
    overflow: hidden;
}

.apps-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 600px 400px at 20% 80%, rgba(37,99,235,.3), transparent),
        radial-gradient(ellipse 400px 300px at 80% 20%, rgba(124,58,237,.2), transparent),
        radial-gradient(ellipse 300px 200px at 60% 70%, rgba(5,150,105,.15), transparent);
    pointer-events: none;
}

.apps-hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 64px 0 80px;
}

.apps-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,.1);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,.15);
    padding: 8px 20px;
    border-radius: 50px;
    color: rgba(255,255,255,.9);
    font-size: .85rem;
    font-weight: 500;
    margin-bottom: 24px;
}

.apps-hero-badge svg {
    opacity: .7;
}

.apps-hero h1 {
    font-size: 3.2rem;
    font-weight: 900;
    color: var(--white);
    line-height: 1.1;
    margin-bottom: 20px;
    letter-spacing: -.02em;
}

.apps-hero h1 span {
    background: linear-gradient(135deg, var(--gold), #fbbf24);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.apps-hero-sub {
    font-size: 1.15rem;
    color: rgba(255,255,255,.7);
    max-width: 600px;
    margin: 0 auto 36px;
    line-height: 1.7;
}

.apps-hero-pills {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 22px;
    border-radius: 50px;
    font-weight: 700;
    font-size: .9rem;
    transition: var(--transition);
}

.pill--pos {
    background: rgba(37,99,235,.2);
    color: #93bbfd;
    border: 1px solid rgba(37,99,235,.3);
}

.pill--imprime {
    background: rgba(124,58,237,.2);
    color: #c4b5fd;
    border: 1px solid rgba(124,58,237,.3);
}

.pill--planilla {
    background: rgba(5,150,105,.2);
    color: #6ee7b7;
    border: 1px solid rgba(5,150,105,.3);
}

.pill:hover {
    transform: translateY(-2px);
}

/* ============ PRODUCT SECTIONS ============ */
.product-section {
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.product-section::before {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
}

/* POS+ background */
.product--pos {
    background: linear-gradient(180deg, #eff6ff 0%, #dbeafe 100%);
}

.product--pos::before {
    background:
        radial-gradient(ellipse 500px 300px at 90% 20%, rgba(37,99,235,.08), transparent),
        radial-gradient(ellipse 400px 400px at 10% 80%, rgba(30,58,138,.05), transparent);
}

/* Imprime+ background */
.product--imprime {
    background: linear-gradient(180deg, #f5f3ff 0%, #ede9fe 100%);
}

.product--imprime::before {
    background:
        radial-gradient(ellipse 500px 300px at 10% 30%, rgba(124,58,237,.08), transparent),
        radial-gradient(ellipse 400px 400px at 90% 70%, rgba(91,33,182,.05), transparent);
}

/* Planilla+ background */
.product--planilla {
    background: linear-gradient(180deg, #ecfdf5 0%, #d1fae5 100%);
}

.product--planilla::before {
    background:
        radial-gradient(ellipse 500px 300px at 85% 70%, rgba(5,150,105,.08), transparent),
        radial-gradient(ellipse 400px 400px at 15% 20%, rgba(4,120,87,.05), transparent);
}

/* Layout */
.product-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.product-grid--reverse {
    direction: rtl;
}

.product-grid--reverse > * {
    direction: ltr;
}

/* Info side */
.product-info {
    display: flex;
    flex-direction: column;
}

.product-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: .75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 6px 14px;
    border-radius: 50px;
    width: fit-content;
    margin-bottom: 16px;
}

.product--pos .product-tag {
    background: var(--pos-light);
    color: var(--pos-dark);
}

.product--imprime .product-tag {
    background: var(--imprime-light);
    color: var(--imprime-dark);
}

.product--planilla .product-tag {
    background: var(--planilla-light);
    color: var(--planilla-dark);
}

.product-name {
    font-size: 2.8rem;
    font-weight: 900;
    color: var(--slate);
    line-height: 1.1;
    margin-bottom: 8px;
    letter-spacing: -.02em;
}

.product--pos .product-name .plus { color: var(--pos); }
.product--imprime .product-name .plus { color: var(--imprime); }
.product--planilla .product-name .plus { color: var(--planilla); }

.product-subtitle {
    font-size: 1.1rem;
    color: var(--gray);
    margin-bottom: 20px;
    line-height: 1.7;
}

.product-features {
    display: flex;
    flex-direction: column;
    gap: 28px;
    margin-bottom: 32px;
}

.feature-col h4 {
    font-size: .72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .8px;
    margin-bottom: 12px;
    color: var(--slate);
}

.product--pos .feature-col h4 { color: var(--pos-dark); }
.product--imprime .feature-col h4 { color: var(--imprime-dark); }
.product--planilla .feature-col h4 { color: var(--planilla-dark); }

.feature-col ul {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px 20px;
}

.feature-col li {
    font-size: .85rem;
    color: var(--gray);
    padding: 4px 0 4px 22px;
    position: relative;
    line-height: 1.5;
}

.feature-col li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product--pos .feature-col li::before {
    background: var(--pos-light);
    box-shadow: inset 0 0 0 2px var(--pos);
}

.product--imprime .feature-col li::before {
    background: var(--imprime-light);
    box-shadow: inset 0 0 0 2px var(--imprime);
}

.product--planilla .feature-col li::before {
    background: var(--planilla-light);
    box-shadow: inset 0 0 0 2px var(--planilla);
}

/* Actions */
.product-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 10px;
    font-weight: 600;
    font-size: .95rem;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn svg {
    flex-shrink: 0;
}

.btn--pos {
    background: var(--pos);
    color: var(--white);
}

.btn--pos:hover {
    background: var(--pos-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(37,99,235,.3);
}

.btn--imprime {
    background: var(--imprime);
    color: var(--white);
}

.btn--imprime:hover {
    background: var(--imprime-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(124,58,237,.3);
}

.btn--planilla {
    background: var(--planilla);
    color: var(--white);
}

.btn--planilla:hover {
    background: var(--planilla-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(5,150,105,.3);
}

.btn-ghost {
    background: transparent;
    color: var(--slate);
    border: 1.5px solid rgba(0,0,0,.15);
    padding: 13px 26px;
}

.btn-ghost:hover {
    border-color: var(--slate);
    background: rgba(0,0,0,.03);
}

/* Visual side */
.product-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-mockup {
    width: 100%;
    max-width: 480px;
    border-radius: 20px;
    padding: 48px 32px;
    text-align: center;
    position: relative;
}

.product--pos .product-mockup {
    background: linear-gradient(135deg, #1e40af, #2563eb, #3b82f6);
    box-shadow: 0 24px 48px rgba(37,99,235,.25), inset 0 1px 0 rgba(255,255,255,.1);
}

.product--imprime .product-mockup {
    background: linear-gradient(135deg, #5b21b6, #7c3aed, #8b5cf6);
    box-shadow: 0 24px 48px rgba(124,58,237,.25), inset 0 1px 0 rgba(255,255,255,.1);
}

.product--planilla .product-mockup {
    background: linear-gradient(135deg, #047857, #059669, #10b981);
    box-shadow: 0 24px 48px rgba(5,150,105,.25), inset 0 1px 0 rgba(255,255,255,.1);
}

.mockup-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 20px;
    background: rgba(255,255,255,.15);
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(8px);
}

.mockup-icon svg {
    width: 36px;
    height: 36px;
    color: var(--white);
    fill: currentColor;
}

.mockup-title {
    font-size: 2rem;
    font-weight: 900;
    color: var(--white);
    margin-bottom: 8px;
    letter-spacing: -.01em;
}

.mockup-title .plus {
    opacity: .7;
}

.mockup-subtitle {
    font-size: .9rem;
    color: rgba(255,255,255,.7);
    margin-bottom: 28px;
}

.mockup-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
}

.mockup-chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: rgba(255,255,255,.12);
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255,255,255,.1);
    padding: 6px 14px;
    border-radius: 50px;
    font-size: .78rem;
    font-weight: 500;
    color: rgba(255,255,255,.9);
}

/* ============ CTA ============ */
.apps-cta {
    padding: 80px 0;
    background: var(--slate);
    text-align: center;
}

.apps-cta h2 {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 12px;
}

.apps-cta p {
    font-size: 1.05rem;
    color: rgba(255,255,255,.6);
    margin-bottom: 32px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.cta-actions {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.btn-gold {
    background: var(--gold);
    color: var(--slate);
    font-weight: 700;
}

.btn-gold:hover {
    background: #fbbf24;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(250,204,21,.35);
}

.btn-outline-white {
    background: transparent;
    color: var(--white);
    border: 1.5px solid rgba(255,255,255,.25);
    padding: 13px 26px;
}

.btn-outline-white:hover {
    border-color: var(--white);
    background: rgba(255,255,255,.05);
}

/* ============ FOOTER ============ */
.apps-footer {
    background: #0f172a;
    padding: 32px 0;
    text-align: center;
}

.apps-footer p {
    color: rgba(255,255,255,.4);
    font-size: .85rem;
}

.apps-footer a {
    color: rgba(255,255,255,.6);
    font-weight: 600;
    transition: var(--transition);
}

.apps-footer a:hover {
    color: var(--white);
}

/* ============ RESPONSIVE ============ */
@media (max-width: 768px) {
    .app-nav-toggle {
        display: flex;
    }

    .app-nav-links {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 32px 24px;
        gap: 8px;
        box-shadow: var(--shadow-lg);
        transform: translateX(100%);
        transition: transform var(--transition), visibility 0s .3s;
        z-index: 999;
        visibility: hidden;
        pointer-events: none;
    }

    .app-nav-links.active {
        transform: translateX(0);
        visibility: visible;
        pointer-events: auto;
        transition: transform var(--transition), visibility 0s;
    }

    .app-nav-links a {
        font-size: 1.1rem;
        padding: 12px 0;
        display: block;
        border-bottom: 1px solid rgba(0,0,0,.06);
    }

    .app-nav-links .back-home {
        text-align: center;
        margin-top: 8px;
        padding: 12px 16px;
        border-bottom: none;
        border-radius: 8px;
    }

    .apps-hero h1 {
        font-size: 2.2rem;
    }

    .apps-hero-sub {
        font-size: 1rem;
    }

    .apps-hero-content {
        padding: 48px 0 60px;
    }

    .product-section {
        padding: 64px 0;
    }

    .product-grid,
    .product-grid--reverse {
        grid-template-columns: 1fr;
        gap: 40px;
        direction: ltr;
    }

    .product-name {
        font-size: 2.2rem;
    }

    .product-visual {
        order: -1;
    }

    .product-mockup {
        max-width: 360px;
        padding: 36px 24px;
    }

    .feature-col ul {
        grid-template-columns: 1fr;
    }

    .apps-cta h2 {
        font-size: 1.8rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .app-nav-container {
        height: 60px;
    }

    .app-nav-links {
        top: 60px;
    }

    .apps-hero {
        padding-top: 60px;
    }

    .apps-hero h1 {
        font-size: 1.8rem;
    }

    .apps-hero-content {
        padding: 36px 0 48px;
    }

    .pill {
        font-size: .8rem;
        padding: 8px 16px;
    }

    .product-section {
        padding: 48px 0;
    }

    .product-name {
        font-size: 1.8rem;
    }

    .product-actions {
        flex-direction: column;
    }

    .product-actions .btn {
        width: 100%;
        justify-content: center;
    }

    .mockup-title {
        font-size: 1.6rem;
    }

    .apps-cta {
        padding: 56px 0;
    }

    .apps-cta h2 {
        font-size: 1.5rem;
    }

    .cta-actions {
        flex-direction: column;
        align-items: center;
    }
}

/* ============ ANIMATIONS ============ */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity .6s cubic-bezier(.4,0,.2,1), transform .6s cubic-bezier(.4,0,.2,1);
}
.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* ═══════════ GAS+ variant ═══════════ */
.pill--gas {
    background: rgba(16,185,129,.2);
    color: #6ee7b7;
    border: 1px solid rgba(16,185,129,.35);
}

.btn--gas {
    background: linear-gradient(135deg, #1E40AF 0%, #10B981 100%);
    color: #fff;
}
.btn--gas:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(16,185,129,.3);
    filter: brightness(1.08);
}

.product--gas {
    background: linear-gradient(180deg, #ecfdf5 0%, #d1fae5 100%);
}
.product--gas::before {
    background:
        radial-gradient(ellipse 500px 300px at 90% 20%, rgba(16,185,129,.10), transparent),
        radial-gradient(ellipse 400px 400px at 10% 80%, rgba(30,64,175,.06), transparent);
}
.product--gas .product-tag {
    background: rgba(16,185,129,.15);
    color: #065F46;
}
.product--gas .product-name .plus { color: #10B981; }
.product--gas .feature-col h4 { color: #065F46; }
.product--gas .feature-col li::before {
    background: rgba(16,185,129,.2);
    box-shadow: inset 0 0 0 2px #10B981;
}