:root {
    --noche: #0C2A18;
    --principal: #1A7A4A;
    --acento: #5CC98A;
    --suave: #D0EED9;
    --offwhite: #F5F7F5;
}

* {
    font-family: 'Plus Jakarta Sans', sans-serif;
}

html {
    scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--suave);
}
::-webkit-scrollbar-thumb {
    background: var(--principal);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--acento);
}

/* Entrance animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(2deg); }
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 20px rgba(92, 201, 138, 0.3); }
    50% { box-shadow: 0 0 40px rgba(92, 201, 138, 0.5); }
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

.animate-on-scroll.from-left {
    transform: translateX(-40px);
}
.animate-on-scroll.from-left.visible {
    transform: translateX(0);
}

.animate-on-scroll.from-right {
    transform: translateX(40px);
}
.animate-on-scroll.from-right.visible {
    transform: translateX(0);
}

.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }

/* Decorative arcs */
.arc-top-right {
    position: absolute;
    top: -100px;
    right: -100px;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    border: 80px solid transparent;
    border-top-color: var(--principal);
    border-right-color: var(--principal);
    opacity: 0.15;
    pointer-events: none;
}

.arc-bottom-left {
    position: absolute;
    bottom: -150px;
    left: -150px;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    border: 60px solid transparent;
    border-bottom-color: var(--acento);
    border-left-color: var(--acento);
    opacity: 0.1;
    pointer-events: none;
}

.arc-decoration {
    position: absolute;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    border: 40px solid var(--principal);
    opacity: 0.08;
    pointer-events: none;
}

/* Section-specific arc positions (replaces inline styles) */
.arc-hero-left {
    top: 20%;
    left: -100px;
}

.arc-hero-right {
    bottom: 10%;
    right: -50px;
    width: 200px;
    height: 200px;
    border-color: var(--acento);
}

.arc-servicios-right {
    top: 10%;
    right: -80px;
}

.arc-servicios-left {
    bottom: 5%;
    left: -60px;
    border-color: var(--acento);
}

.arc-contacto-left {
    top: 5%;
    left: -80px;
}

.arc-contacto-right {
    bottom: 10%;
    right: -60px;
    border-color: var(--acento);
}

/* Button styles */
.btn-primary {
    background-color: var(--principal);
    color: var(--offwhite);
    padding: 14px 32px;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    background-color: var(--acento);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(92, 201, 138, 0.3);
}

.btn-primary:focus-visible {
    outline: 3px solid var(--acento);
    outline-offset: 2px;
}

.btn-outline {
    border: 2px solid var(--acento);
    color: var(--acento);
    padding: 12px 30px;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
    background: transparent;
}

.btn-outline:hover {
    background-color: var(--acento);
    color: var(--noche);
    transform: translateY(-2px);
}

.btn-outline:focus-visible {
    outline: 3px solid var(--acento);
    outline-offset: 2px;
}

/* Card hover effects */
.service-card {
    background: rgba(255, 255, 255, 0.85);
    border: 1px solid rgba(92, 201, 138, 0.35);
    border-radius: 12px;
    padding: 24px;
    transition: all 0.4s ease;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.service-card p.text-sm {
    flex: 1;
}

.service-card:hover {
    border-color: var(--acento);
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(92, 201, 138, 0.18);
    background: rgba(255, 255, 255, 0.97);
}

.value-card {
    background: rgba(255, 255, 255, 0.85);
    border-radius: 16px;
    padding: 32px;
    transition: all 0.4s ease;
    border: 1px solid rgba(92, 201, 138, 0.25);
}

.value-card:hover {
    border-color: var(--acento);
    transform: scale(1.02);
    box-shadow: 0 12px 40px rgba(92, 201, 138, 0.15);
}

/* Tab styles */
.tab-btn {
    padding: 16px 40px;
    font-weight: 600;
    font-size: 1.125rem;
    border-radius: 8px 8px 0 0;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    border-bottom: none;
    background: rgba(92, 201, 138, 0.1);
    color: var(--noche);
}

.tab-btn.active {
    background: rgba(255, 255, 255, 0.9);
    border-color: var(--acento);
    color: var(--principal);
}

.tab-btn:hover:not(.active) {
    background: rgba(92, 201, 138, 0.2);
}

.tab-btn:focus-visible {
    outline: 3px solid var(--acento);
    outline-offset: -3px;
}

/* Accordion styles */
.accordion-header {
    background: rgba(255, 255, 255, 0.75);
    border: 1px solid rgba(92, 201, 138, 0.3);
    border-radius: 8px;
    padding: 20px 24px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.accordion-header:hover {
    background: rgba(255, 255, 255, 0.95);
    border-color: var(--acento);
}

.accordion-header.active {
    background: rgba(255, 255, 255, 0.95);
    border-color: var(--acento);
    border-radius: 8px 8px 0 0;
}

.accordion-icon {
    transition: transform 0.3s ease;
}

.accordion-header.active .accordion-icon {
    transform: rotate(180deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out;
    background: rgba(255, 255, 255, 0.6);
    border: 1px solid rgba(92, 201, 138, 0.2);
    border-top: none;
    border-radius: 0 0 8px 8px;
}

.accordion-content.open {
    max-height: 2000px;
}

/* Navbar */
.navbar {
    transition: all 0.3s ease;
    background: var(--principal);
}

.navbar.scrolled {
    background: rgba(26, 122, 74, 0.97);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
}

.navbar.nav-hidden {
    transform: translateY(-100%);
}

.nav-link {
    position: relative;
    color: var(--offwhite);
    font-weight: 500;
    padding: 8px 16px;
    transition: color 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--acento);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-link:hover {
    color: var(--acento);
}

.nav-link:hover::after {
    width: 80%;
}

.nav-link:focus-visible {
    outline: 2px solid var(--acento);
    outline-offset: 4px;
    border-radius: 4px;
}

/* Floating elements */
.floating-shape {
    animation: float 8s ease-in-out infinite;
}

.floating-shape:nth-child(2) {
    animation-delay: -2s;
}

.floating-shape:nth-child(3) {
    animation-delay: -4s;
}

/* Stats counter */
.stat-number {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--acento);
    line-height: 1;
}

/* Form styles */
.form-input {
    width: 100%;
    padding: 14px 18px;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(92, 201, 138, 0.35);
    border-radius: 8px;
    color: var(--noche);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--acento);
    box-shadow: 0 0 0 3px rgba(92, 201, 138, 0.15);
}

.form-input::placeholder {
    color: rgba(12, 42, 24, 0.4);
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--noche);
}

/* Mobile menu */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: var(--noche);
    z-index: 1000;
    transition: right 0.4s ease;
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
}

.mobile-menu.open {
    right: 0;
}

.mobile-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.7);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s ease;
}

.mobile-overlay.open {
    opacity: 1;
    visibility: visible;
}

/* CTA banner gradient */
.cta-banner {
    background: linear-gradient(135deg, var(--principal) 0%, #0f5c38 100%);
}

/* Footer gradient */
.site-footer {
    background: linear-gradient(160deg, var(--principal) 0%, #0f5c38 100%);
}

/* Pattern background */
.pattern-bg {
    background-image: radial-gradient(rgba(92, 201, 138, 0.03) 1px, transparent 1px);
    background-size: 40px 40px;
}

/* WhatsApp floating button */
.whatsapp-fab {
    position: fixed;
    bottom: 28px;
    right: 28px;
    z-index: 900;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: #25D366;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.45);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.whatsapp-fab:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 24px rgba(37, 211, 102, 0.55);
}

/* Dev credit */
.dev-credit {
    text-align: center;
    font-size: 0.75rem;
    margin-top: 1rem;
    color: rgba(208, 238, 217, 0.3);
}

.dev-credit a {
    color: rgba(208, 238, 217, 0.5);
    transition: color 0.3s ease;
}

.dev-credit a:hover {
    color: var(--acento);
}

/* Logo DQ */
.logo-mark {
    width: 48px;
    height: 48px;
    background: var(--principal);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--offwhite);
    position: relative;
}

.logo-mark::after {
    content: '';
    position: absolute;
    bottom: 8px;
    right: 6px;
    width: 12px;
    height: 12px;
    border: 2px solid var(--acento);
    border-radius: 50%;
}

.logo-mark::before {
    content: '';
    position: absolute;
    bottom: 10px;
    right: 10px;
    width: 8px;
    height: 2px;
    background: var(--acento);
    transform: rotate(-45deg);
}