:root {
    --color-primary:    #0369a1;
    --color-accent:     #0f172a;
    --color-primary-dark: #0284c7;
    --color-bg:         #F9FAFB;
    --color-text-main:  #1F2937;
    --color-text-sec:   #4B5563;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--color-bg);
    color: var(--color-text-main);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    color: #111827;
}
.text-main      { color: var(--color-text-main); }
.text-secondary { color: var(--color-text-sec); }
.nav-link       { color: #374151; padding-top: 0.625rem; padding-bottom: 0.625rem; }
.nav-link:hover { color: var(--color-primary); }

@keyframes gradientShift {
    0%   { background-position: 0% 50%; }
    50%  { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}
@keyframes floatOrb {
    0%, 100% { transform: translate3d(0, 0, 0) scale(1); }
    50%       { transform: translate3d(0, -24px, 0) scale(1.04); }
}
@keyframes heroFadeUp {
    from { opacity: 0; transform: translateY(30px); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes ctaPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(14, 165, 233, 0.5); }
    50%       { box-shadow: 0 0 0 14px rgba(14, 165, 233, 0); }
}
@keyframes shimmerPass {
    from { transform: translateX(-100%) skewX(-12deg); }
    to   { transform: translateX(200%) skewX(-12deg); }
}
@keyframes progressPulse {
    0%, 100% { opacity: 1; }
    50%       { opacity: .8; }
}
@keyframes popIn {
    from { opacity: 0; transform: scale(.7) translateY(10px); }
    to   { opacity: 1; transform: scale(1) translateY(0); }
}

.hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(70px);
    pointer-events: none;
    will-change: transform;
}
.hero-orb-1 {
    width: 500px; height: 500px;
    background: radial-gradient(circle, var(--color-primary) 0%, transparent 70%);
    top: -100px; left: -120px;
    opacity: 0.15;
    animation: floatOrb 8s ease-in-out infinite;
}
.hero-orb-2 {
    width: 420px; height: 420px;
    background: radial-gradient(circle, var(--color-accent) 0%, transparent 70%);
    bottom: -60px; right: -100px;
    opacity: 0.15;
    animation: floatOrb 10s ease-in-out 2s infinite;
}
.hero-orb-3 {
    width: 280px; height: 280px;
    background: radial-gradient(circle, var(--color-primary) 0%, transparent 70%);
    top: 40%; left: 50%;
    opacity: 0.08;
    animation: floatOrb 7s ease-in-out 4s infinite;
}

.hero-title    { animation: heroFadeUp .8s cubic-bezier(0.22,1,.36,1) .1s both; }
.hero-subtitle { animation: heroFadeUp .8s cubic-bezier(0.22,1,.36,1) .25s both; }
.hero-cta      { animation: heroFadeUp .8s cubic-bezier(0.22,1,.36,1) .4s both; }

.gradient-text {
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent), var(--color-primary));
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 5s ease infinite;
}

.glassmorphism {
    background: rgba(255,255,255,.88);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(209,213,219,.4);
    box-shadow: 0 8px 32px rgba(0,0,0,.08);
    transition: all .35s ease;
}

.nav-link-anim { position: relative; padding-bottom: 2px; }
.nav-link-anim::after {
    content: '';
    position: absolute;
    left: 0; bottom: 0;
    width: 100%; height: 2px;
    background: var(--color-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .25s cubic-bezier(0.22,1,.36,1);
    border-radius: 1px;
}
.nav-link-anim:hover::after { transform: scaleX(1); }

.btn-primary {
    background-color: var(--color-primary);
    color: white;
    font-weight: 700;
    border-radius: 9999px;
    transition: filter .3s ease, transform .3s ease, box-shadow .3s ease;
}
.btn-primary:hover {
    filter: brightness(1.1);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(14,165,233,.35);
}

.btn-pulse { animation: ctaPulse 2.5s ease infinite; }

.btn-ripple { position: relative; overflow: hidden; }
.btn-ripple::after {
    content: '';
    position: absolute;
    top: 50%; left: 50%;
    width: 0; height: 0;
    border-radius: 50%;
    background: rgba(255,255,255,.45);
    transform: translate(-50%,-50%);
    transition: width .55s ease, height .55s ease, opacity .55s ease;
    opacity: 1;
}
.btn-ripple:active::after { width: 320px; height: 320px; opacity: 0; }

.glow-effect { transition: all .35s cubic-bezier(.4,0,.2,1); }
.glow-effect:hover {
    box-shadow: 0 0 36px rgba(14,165,233,.30);
    transform: translateY(-4px);
}

.service-card {
    transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
    position: relative;
    overflow: hidden;
}
@media (hover: hover) and (pointer: fine) {
    .service-card:hover {
        transform: translateY(-6px) rotateX(1deg);
        box-shadow: 0 18px 40px rgba(0,0,0,.10);
    }
    .service-card:hover .service-icon { transform: rotate(8deg) scale(1.15); }
}
.service-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 60px; height: 100%;
    background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,.35) 50%, transparent 100%);
    transform: translateX(-100%) skewX(-12deg);
    pointer-events: none;
}
.service-card:hover::before { animation: shimmerPass .55s ease forwards; }
.service-icon { transition: transform .35s cubic-bezier(.34,1.56,.64,1); }

.service-card[data-color="blue"]:hover   { border-color: rgba(14,165,233,.45); }
.service-card[data-color="purple"]:hover { border-color: rgba(147,51,234,.45); }
.service-card[data-color="pink"]:hover   { border-color: rgba(236,72,153,.45); }
.service-card[data-color="green"]:hover  { border-color: rgba(34,197,94,.45); }
.service-card[data-color="yellow"]:hover { border-color: rgba(234,179,8,.45); }
.service-card[data-color="red"]:hover    { border-color: rgba(239,68,68,.45); }

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height .4s cubic-bezier(.4,0,.2,1);
}
.accordion-toggle.open h3 { color: var(--color-primary); }
.accordion-toggle h3 { transition: color .25s ease; }

.scroll-progress {
    position: fixed;
    top: 0; left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    z-index: 9999;
    transition: width .08s linear;
    animation: progressPulse 3s ease infinite;
}

.back-to-top {
    position: fixed;
    bottom: 30px; right: 30px;
    width: 48px; height: 48px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: opacity .3s ease, visibility .3s ease, transform .25s cubic-bezier(.34,1.56,.64,1);
    z-index: 1000;
    box-shadow: 0 4px 16px rgba(14,165,233,.45);
}
.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    animation: popIn .35s cubic-bezier(.34,1.56,.64,1) both;
}
.back-to-top:hover {
    transform: translateY(-4px) scale(1.08);
    box-shadow: 0 8px 24px rgba(14,165,233,.55);
}

.form-input { transition: border-color .25s, box-shadow .25s, transform .2s ease; min-height: 48px; }
.form-input:focus {
    transform: translateY(-2px);
    box-shadow: 0 4px 14px rgba(14,165,233,.18);
}

.cta-card {
    position: relative;
    background: white;
    border-top: 4px solid var(--color-primary);
    transition: transform .4s ease, box-shadow .4s ease;
}
@media (hover: hover) and (pointer: fine) {
    .cta-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 20px 45px rgba(0,0,0,.08);
    }
}

.stagger-reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity .6s cubic-bezier(0.22,1,.36,1), transform .6s cubic-bezier(0.22,1,.36,1);
}
.stagger-reveal.visible { opacity: 1; transform: translateY(0); }

/* Native AOS replacement — replaces unpkg.com/aos dependency */
[data-aos] {
    opacity: 0;
    transition: opacity .75s ease-out, transform .75s ease-out;
}
[data-aos="fade-up"]    { transform: translateY(30px); }
[data-aos="fade-right"] { transform: translateX(-30px); }
[data-aos="fade-left"]  { transform: translateX(30px); }
[data-aos="zoom-in"]    { transform: scale(0.9); }
[data-aos].aos-animate  { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    [data-aos] { opacity: 1; transform: none; transition: none; }
}

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #f1f5f9; }
::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--color-primary), var(--color-accent));
    border-radius: 8px;
    border: 2px solid #f1f5f9;
}
::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--color-primary-dark), var(--color-accent));
}

.section-overline {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    font-size: .78rem;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--color-primary);
    margin-bottom: .6rem;
}
.section-overline::before,
.section-overline::after {
    content: '';
    display: inline-block;
    width: 24px; height: 2px;
    background: currentColor;
    border-radius: 1px;
}

.icon-primary { color: var(--color-primary); }

/* Touch target mínimo de 48px para el logo-link del header */
a:has(picture > img[alt="8BITS Logo"]) {
    min-height: 48px;
    display: inline-flex;
    align-items: center;
}

.honeypot-field {
    position: absolute !important;
    left: -9999px !important;
    top: -9999px !important;
    opacity: 0 !important;
    width: 0 !important;
    height: 0 !important;
    overflow: hidden !important;
    pointer-events: none !important;
}