/* ===== DRM y Asociados — Professional Accounting SaaS ===== */

/* ===== Variables ===== */
:root {
    --primary: #00BFFF;
    --primary-dark: #0099CC;
    --primary-rgb: 0, 191, 255;
    --secondary: #1E3A8A;
    --secondary-rgb: 30, 58, 138;
    --accent: #40E0D0;
    --success: #10B981;
    --white: #FFFFFF;
    --white-off: #FAFBFC;
    --light-gray: #F8F9FA;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --dark: #343A40;
    --dark-2: #1F2937;
    --radius: 16px;
    --radius-sm: 10px;
    --radius-lg: 24px;
    --radius-full: 9999px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow: 0 4px 16px rgba(0,0,0,0.08);
    --shadow-lg: 0 20px 50px rgba(0,0,0,0.1);
    --shadow-primary: 0 8px 30px rgba(0, 191, 255, 0.25);
    --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    --gradient-hero: linear-gradient(135deg, var(--light-gray) 0%, rgba(0, 191, 255, 0.08) 100%);
    --gradient-dark: linear-gradient(135deg, #1E3A8A 0%, #0F1D45 100%);
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* ===== Reset ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
    font-family: var(--font-main);
    color: var(--gray-500);
    line-height: 1.7;
    background: var(--white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===== Section Headers ===== */
.section-header { text-align: center; margin-bottom: 60px; }
.section-header h2 {
    font-size: 2.5rem; font-weight: 700; color: var(--secondary);
    margin-bottom: 16px; letter-spacing: -0.02em;
}
.section-header .section-subtitle {
    font-size: 1.1rem; color: var(--gray-500); max-width: 700px; margin: 0 auto; line-height: 1.8;
}
.section-tag {
    display: inline-block; font-size: 0.8rem; font-weight: 700;
    color: var(--primary); background: rgba(0,191,255,0.08);
    border: 1px solid rgba(0,191,255,0.15); padding: 4px 16px;
    border-radius: var(--radius-full); margin-bottom: 16px;
    letter-spacing: 0.08em; text-transform: uppercase;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    font-family: var(--font-main); font-weight: 600; font-size: 0.95rem;
    padding: 14px 32px; border-radius: var(--radius-full); border: none;
    cursor: pointer; transition: var(--transition);
}
.btn-lg { padding: 16px 36px; font-size: 1.05rem; }
.btn-primary {
    background: var(--primary); color: var(--white);
    box-shadow: var(--shadow-primary);
}
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 12px 35px rgba(0,191,255,0.35); }
.btn-outline {
    background: transparent; color: var(--secondary); border: 1.5px solid var(--gray-300);
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); background: rgba(0,191,255,0.04); }
.btn-glow {
    background: var(--primary); color: var(--white);
    box-shadow: 0 0 20px rgba(0,191,255,0.4), 0 0 60px rgba(0,191,255,0.15);
}
.btn-glow:hover { transform: translateY(-2px); box-shadow: 0 0 30px rgba(0,191,255,0.5), 0 0 80px rgba(0,191,255,0.2); }
.btn-white {
    background: var(--white); color: var(--secondary); font-weight: 700;
}
.btn-white:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(0,0,0,0.15); }
.btn-block { width: 100%; justify-content: center; }

/* ===== Navbar ===== */
.navbar {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    padding: 16px 0; transition: var(--transition);
    background: rgba(255,255,255,0.95); backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}
.navbar.scrolled {
    box-shadow: 0 2px 20px rgba(0,0,0,0.08); padding: 10px 0;
}
.navbar .container { display: flex; align-items: center; justify-content: space-between; }
.nav-brand { display: flex; align-items: center; gap: 10px; }
.brand-logo { height: 42px; width: auto; object-fit: contain; }
.nav-menu { display: flex; list-style: none; gap: 4px; align-items: center; }
.nav-menu a {
    padding: 8px 16px; border-radius: var(--radius-full); font-size: 0.9rem;
    font-weight: 500; color: var(--gray-500); transition: var(--transition);
}
.nav-menu a:hover, .nav-menu a.active { color: var(--secondary); background: rgba(30,58,138,0.06); }
.nav-cta { background: var(--primary) !important; color: var(--white) !important; font-weight: 600 !important; }
.nav-cta:hover { opacity: 0.9; }
.nav-login { font-weight: 600 !important; color: var(--secondary) !important; }

.hamburger {
    display: none; flex-direction: column; gap: 5px; background: none; border: none;
    cursor: pointer; padding: 10px; min-width: 44px; min-height: 44px;
    justify-content: center; align-items: center;
}
.hamburger span { width: 24px; height: 2px; background: var(--secondary); border-radius: 2px; transition: var(--transition); }
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ===== Hero ===== */
.hero {
    position: relative; min-height: 100vh; display: flex; align-items: center;
    padding: 120px 0 80px; background: var(--gradient-hero); overflow: hidden;
}
.hero::before {
    content: ''; position: absolute; top: -50%; right: -20%; width: 40%; height: 200%;
    background: linear-gradient(45deg, transparent, rgba(0,191,255,0.08));
    transform: rotate(15deg);
}
.hero::after {
    content: ''; position: absolute; bottom: -20%; left: -10%; width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(0,191,255,0.06) 0%, transparent 70%);
    border-radius: 50%;
}
.hero > * { position: relative; z-index: 1; }
.hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.hero-content { text-align: left; }
.hero-badge {
    display: inline-flex; align-items: center; gap: 8px; font-size: 0.8rem; font-weight: 600;
    color: var(--primary-dark); background: rgba(0,191,255,0.1);
    border: 1px solid rgba(0,191,255,0.2); padding: 6px 18px;
    border-radius: var(--radius-full); margin-bottom: 24px; letter-spacing: 0.02em;
}
.badge-dot { width: 6px; height: 6px; background: var(--success); border-radius: 50%; animation: pulse-dot 2s ease-in-out infinite; }
@keyframes pulse-dot { 0%,100% { opacity:1; } 50% { opacity:0.3; } }
.hero h1 {
    font-size: 3.2rem; font-weight: 700; color: var(--secondary);
    line-height: 1.15; letter-spacing: -0.03em; margin-bottom: 24px;
}
.hero-subtitle { font-size: 1.15rem; color: var(--gray-500); max-width: 520px; margin: 0 0 36px; line-height: 1.8; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-visual { position: relative; }
.hero-image {
    width: 100%; height: 420px; object-fit: cover; border-radius: var(--radius-lg);
    box-shadow: 0 25px 50px rgba(0,0,0,0.12);
}

/* ===== Trust Bar ===== */
.trust-bar { padding: 28px 0; background: var(--white); border-top: 1px solid var(--gray-200); border-bottom: 1px solid var(--gray-200); }
.trust-bar .container { display: flex; justify-content: center; gap: 40px; flex-wrap: wrap; align-items: center; }
.trust-item { display: flex; align-items: center; gap: 8px; font-size: 0.88rem; color: var(--gray-500); font-weight: 500; }
.trust-item i { color: var(--primary); font-size: 1rem; }

/* ===== About ===== */
.about { padding: 100px 0; background: var(--light-gray); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-text h2 { font-size: 2.2rem; font-weight: 700; color: var(--secondary); margin-bottom: 20px; line-height: 1.2; }
.about-text p { font-size: 1.05rem; color: var(--gray-500); margin-bottom: 16px; line-height: 1.8; }
.about-highlights { display: flex; gap: 24px; margin-top: 28px; }
.highlight-item { display: flex; align-items: center; gap: 10px; }
.highlight-num { font-size: 2rem; font-weight: 800; color: var(--primary); }
.highlight-label { font-size: 0.82rem; color: var(--gray-500); font-weight: 600; line-height: 1.3; }
.about-image {
    width: 100%; height: 380px; object-fit: cover; border-radius: var(--radius-lg);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

/* ===== Services ===== */
.services { padding: 100px 0; background: var(--white); }
.services-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.service-card {
    background: var(--white); border: 1px solid var(--gray-200); border-radius: var(--radius);
    padding: 32px 24px; text-align: center; transition: var(--transition); position: relative;
}
.service-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
    background: var(--gradient-primary); opacity: 0; transition: var(--transition);
    border-radius: var(--radius) var(--radius) 0 0;
}
.service-card:hover { border-color: rgba(0,191,255,0.3); transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.service-card:hover::before { opacity: 1; }
.service-icon {
    width: 56px; height: 56px; background: var(--gradient-primary); border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.2rem; color: var(--white); margin: 0 auto 18px;
}
.service-card h3 { font-size: 1.02rem; font-weight: 700; color: var(--secondary); margin-bottom: 8px; }
.service-card p { font-size: 0.88rem; color: var(--gray-500); line-height: 1.6; }

/* ===== Benefits ===== */
.benefits { padding: 100px 0; background: var(--light-gray); }
.benefits-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.benefit-card {
    display: flex; align-items: flex-start; gap: 16px;
    background: var(--white); border: 1px solid var(--gray-200); border-radius: var(--radius);
    padding: 24px; transition: var(--transition);
}
.benefit-card:hover { border-color: rgba(0,191,255,0.3); box-shadow: var(--shadow); }
.benefit-icon {
    width: 48px; height: 48px; background: rgba(0,191,255,0.1); border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.1rem; color: var(--primary); flex-shrink: 0;
}
.benefit-card h4 { font-size: 0.98rem; font-weight: 700; color: var(--secondary); margin-bottom: 6px; }
.benefit-card p { font-size: 0.85rem; color: var(--gray-500); line-height: 1.6; }

/* ===== CTA Banner ===== */
.cta-banner { padding: 80px 0; background: var(--gradient-dark); }
.cta-content { display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.cta-text h2 { font-size: 2rem; font-weight: 700; color: var(--white); margin-bottom: 8px; }
.cta-text p { color: rgba(255,255,255,0.6); font-size: 1.05rem; }

/* ===== Contact ===== */
.contact { padding: 100px 0; background: var(--white); }
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; max-width: 800px; margin: 0 auto; }
.contact-card {
    background: var(--white); border: 1px solid var(--gray-200); border-radius: var(--radius);
    padding: 32px 24px; text-align: center; transition: var(--transition); display: block;
}
.contact-card:hover { border-color: rgba(0,191,255,0.3); transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.contact-icon {
    width: 52px; height: 52px; margin: 0 auto 16px; background: rgba(0,191,255,0.08);
    border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center;
    font-size: 1.3rem; color: var(--primary);
}
.contact-whatsapp .contact-icon { background: rgba(37,211,102,0.1); color: #25D366; }
.contact-card h3 { font-size: 1.1rem; font-weight: 700; color: var(--secondary); margin-bottom: 4px; }
.contact-card p { font-size: 0.88rem; color: var(--gray-400); margin-bottom: 16px; }
.contact-action { font-size: 0.85rem; font-weight: 600; color: var(--primary); display: flex; align-items: center; justify-content: center; gap: 6px; }

/* ===== Footer ===== */
.footer { border-top: 1px solid var(--gray-200); background: var(--dark); color: var(--gray-400); }
.footer-top { display: grid; grid-template-columns: 1fr 2fr; gap: 60px; padding: 60px 0 40px; }
.footer-brand h4 { font-size: 1.1rem; font-weight: 700; color: var(--white); margin-bottom: 8px; }
.footer-logo { height: 50px; width: auto; object-fit: contain; margin-bottom: 12px; }
.footer-brand p { font-size: 0.88rem; color: var(--gray-500); margin-bottom: 10px; line-height: 1.6; }
.footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.footer-col h5 { font-size: 0.85rem; font-weight: 700; color: var(--white); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 16px; }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { font-size: 0.88rem; color: var(--gray-500); transition: var(--transition); }
.footer-col a:hover { color: var(--primary); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding: 20px 0; text-align: center; font-size: 0.82rem; color: var(--gray-500); }
.footer-bottom a { color: var(--primary); }
.footer-bottom a:hover { text-decoration: underline; }

/* ===== WhatsApp Float ===== */
.whatsapp-float {
    position: fixed; bottom: 28px; right: 28px; width: 60px; height: 60px;
    background: #25D366; border-radius: 50%; display: flex; align-items: center;
    justify-content: center; color: white; font-size: 1.6rem;
    box-shadow: 0 4px 20px rgba(37,211,102,0.4); z-index: 999; transition: var(--transition);
}
.whatsapp-float:hover { transform: scale(1.1); }

/* ===== Scroll Top ===== */
.scroll-top {
    position: fixed; bottom: 28px; left: 28px; width: 44px; height: 44px;
    background: var(--white); border: 1px solid var(--gray-200); border-radius: 12px;
    color: var(--gray-400); font-size: 0.9rem; cursor: pointer; z-index: 999;
    opacity: 0; visibility: hidden; transition: var(--transition);
    display: flex; align-items: center; justify-content: center;
}
.scroll-top.visible { opacity: 1; visibility: visible; }
.scroll-top:hover { color: var(--primary); border-color: var(--primary); }

/* ===== Animations ===== */
[data-animate] { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
[data-animate].animate-in { opacity: 1; transform: translateY(0); }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .hero-inner { grid-template-columns: 1fr; text-align: center; }
    .hero-content { text-align: center; }
    .hero-subtitle { margin-left: auto; margin-right: auto; }
    .hero-actions { justify-content: center; }
    .hero-image { max-width: 500px; margin: 0 auto; height: 340px; }
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .about-grid { grid-template-columns: 1fr; text-align: center; }
    .about-text h2 { font-size: 2rem; }
    .about-highlights { justify-content: center; }
    .about-image { max-width: 500px; margin: 0 auto; height: 300px; }
    .benefits-grid { grid-template-columns: 1fr 1fr; }
    .footer-top { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 768px) {
    /* --- Navbar --- */
    .nav-menu {
        display: flex; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0;
        background: var(--white); border-bottom: 1px solid var(--gray-200);
        box-shadow: var(--shadow-lg); padding: 8px 0; gap: 0;
        transform: translateY(-10px); opacity: 0; pointer-events: none;
        transition: transform 0.3s ease, opacity 0.3s ease;
    }
    .nav-menu.active { transform: translateY(0); opacity: 1; pointer-events: auto; }
    .nav-menu li { width: 100%; }
    .nav-menu a {
        display: flex; align-items: center; padding: 14px 24px; border-radius: 0;
        color: var(--gray-600) !important; font-size: 1rem; min-height: 48px;
    }
    .nav-menu a:hover, .nav-menu a:active { background: var(--gray-100); color: var(--primary) !important; }
    .nav-login {
        font-weight: 700 !important; color: var(--secondary) !important;
        border-top: 1px solid var(--gray-200); margin-top: 4px; padding-top: 14px !important;
    }
    .nav-cta {
        margin: 8px 16px 12px; text-align: center; justify-content: center;
        border-radius: var(--radius-full) !important; color: var(--white) !important;
        min-height: 52px; font-size: 1rem;
    }
    .hamburger { display: flex; }

    /* --- Hero --- */
    .hero { min-height: auto; padding: 100px 0 60px; }
    .hero h1 { font-size: 2.2rem; }
    .hero-badge { font-size: 0.72rem; padding: 5px 14px; }
    .hero-subtitle { font-size: 1rem; }
    .hero-actions { flex-direction: column; align-items: stretch; gap: 12px; }
    .hero-actions .btn { justify-content: center; min-height: 52px; }
    .hero-image { height: 260px; }

    /* --- Trust --- */
    .trust-bar .container { gap: 16px; }
    .trust-item { font-size: 0.78rem; }

    /* --- Sections --- */
    .section-header { margin-bottom: 40px; }
    .section-header h2 { font-size: 1.8rem; }
    .section-header .section-subtitle { font-size: 1rem; }

    /* --- About --- */
    .about { padding: 70px 0; }
    .about-grid { gap: 32px; }
    .about-text h2 { font-size: 1.8rem; }
    .about-text p { font-size: 0.95rem; }
    .about-highlights { flex-direction: column; gap: 16px; align-items: center; }
    .about-image { height: 240px; }

    /* --- Services --- */
    .services { padding: 70px 0; }
    .services-grid { grid-template-columns: 1fr; max-width: 400px; margin-left: auto; margin-right: auto; }
    .service-card { padding: 24px 20px; }

    /* --- Benefits --- */
    .benefits { padding: 70px 0; }
    .benefits-grid { grid-template-columns: 1fr; }

    /* --- CTA --- */
    .cta-banner { padding: 60px 0; }
    .cta-content { flex-direction: column; text-align: center; gap: 24px; }
    .cta-text h2 { font-size: 1.6rem; }

    /* --- Contact --- */
    .contact { padding: 70px 0; }
    .contact-grid { grid-template-columns: 1fr; max-width: 340px; }
    .contact-card { padding: 24px 20px; }

    /* --- Footer --- */
    .footer-top { text-align: center; }
    .footer-brand { display: flex; flex-direction: column; align-items: center; }
    .footer-logo { margin: 0 auto 12px; }
    .footer-links { grid-template-columns: repeat(3, 1fr); gap: 20px; text-align: center; }
}

@media (max-width: 480px) {
    .container { padding: 0 16px; }
    .hero h1 { font-size: 1.75rem; line-height: 1.15; }
    .hero-subtitle { font-size: 0.92rem; margin-bottom: 28px; }
    .hero { padding: 90px 0 50px; }
    .hero-image { height: 200px; border-radius: var(--radius); }
    .hero-actions .btn { font-size: 0.95rem; padding: 14px 20px; }

    .section-header h2 { font-size: 1.55rem; }
    .section-header { margin-bottom: 32px; }

    .services-grid { max-width: 100%; }
    .service-card { display: flex; gap: 16px; align-items: flex-start; text-align: left; padding: 20px 16px; }
    .service-icon { margin: 0; flex-shrink: 0; width: 48px; height: 48px; font-size: 1rem; }
    .service-card h3 { font-size: 0.95rem; margin-bottom: 4px; }
    .service-card p { font-size: 0.82rem; }
    .service-card::before { display: none; }
    .service-card:hover { transform: none; }

    .benefit-card { padding: 18px 14px; gap: 12px; }
    .benefit-icon { width: 42px; height: 42px; font-size: 1rem; }
    .benefit-card h4 { font-size: 0.92rem; }
    .benefit-card p { font-size: 0.82rem; }

    .about-text h2 { font-size: 1.55rem; }
    .about-highlights { flex-direction: row; gap: 20px; }
    .highlight-num { font-size: 1.6rem; }
    .highlight-label { font-size: 0.75rem; }

    .cta-text h2 { font-size: 1.4rem; }
    .cta-text p { font-size: 0.92rem; }

    .contact-card { display: flex; align-items: center; gap: 16px; text-align: left; padding: 18px 16px; }
    .contact-icon { margin: 0; flex-shrink: 0; width: 46px; height: 46px; }
    .contact-card h3 { font-size: 1rem; margin-bottom: 2px; }
    .contact-card p { font-size: 0.82rem; margin-bottom: 0; }
    .contact-action { display: none; }
    .contact-grid { max-width: 100%; }

    .footer-links { grid-template-columns: 1fr 1fr; }
    .footer-bottom { font-size: 0.75rem; }

    .whatsapp-float { width: 52px; height: 52px; font-size: 1.4rem; bottom: 20px; right: 16px; }
    .scroll-top { width: 40px; height: 40px; bottom: 20px; left: 16px; }
}