/* =========================================
   DataCraftLabs — Stylesheet v3.0 "Forge"
   Premium tech identity — circuit + spark
   ========================================= */

/* --- Variables de Diseño --- */
:root {
    /* Identidad — derivada del logo */
    --ink: #0A1628;
    --ink-2: #0f1f3a;
    --ink-3: #15294a;
    --primary: #0A1628;
    --primary-soft: #1e3048;

    /* Acentos — la chispa del logo */
    --spark: #3DD8E8;
    --spark-soft: #6FE3F0;
    --spark-deep: #1FA8B8;
    --azure: #5B8FD9;
    --azure-deep: #2D5FBF;

    /* Compatibilidad con clases existentes */
    --accent: #3DD8E8;
    --accent-light: #6FE3F0;
    --accent-glow: rgba(61, 216, 232, 0.18);

    /* Neutros con tinte frío */
    --dark: #0A1628;
    --light: #F4F7FB;
    --paper: #FBFCFE;
    --grey: #5A6B85;
    --grey-light: #8A9BB5;
    --white: #ffffff;
    --border: #E2EAF3;
    --border-soft: #EEF2F8;
    --success: #22c55e;

    --shadow-sm: 0 2px 10px rgba(10, 22, 40, 0.06);
    --shadow: 0 12px 32px rgba(10, 22, 40, 0.08);
    --shadow-lg: 0 24px 64px rgba(10, 22, 40, 0.14);
    --shadow-spark: 0 12px 40px rgba(61, 216, 232, 0.25);

    --radius: 16px;
    --radius-sm: 10px;
    --transition: 0.35s cubic-bezier(0.22, 1, 0.36, 1);
    --transition-fast: 0.2s cubic-bezier(0.22, 1, 0.36, 1);

    --display: 'Space Grotesk', 'Montserrat', sans-serif;
    --heading: 'Montserrat', sans-serif;
    --body: 'Inter', sans-serif;
    --mono: 'JetBrains Mono', 'SF Mono', monospace;
}

/* --- Reset & Base --- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--body);
    color: var(--dark);
    background-color: var(--light);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Cursor glow follower (pointer devices only) */
@media (hover: hover) and (pointer: fine) {
  body::before {
    content: '';
    position: fixed;
    top: var(--cursor-y, -100px);
    left: var(--cursor-x, -100px);
    width: 380px;
    height: 380px;
    transform: translate(-50%, -50%);
    background: radial-gradient(circle, rgba(61, 216, 232, 0.10) 0%, rgba(61, 216, 232, 0) 65%);
    pointer-events: none;
    z-index: 1;
    mix-blend-mode: screen;
    transition: opacity 0.3s;
    will-change: top, left;
  }
}

h1, h2, h3, h4 {
    font-family: var(--heading);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.01em;
}

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

.container {
    width: 90%;
    max-width: 1240px;
    margin: 0 auto;
}

/* --- Scroll Progress Bar (top) --- */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 2px;
    width: 0%;
    background: linear-gradient(90deg, var(--spark), var(--azure));
    z-index: 1100;
    box-shadow: 0 0 12px var(--spark);
    transition: width 0.05s linear;
}

/* --- Preloader --- */
.preloader {
    position: fixed;
    inset: 0;
    background: radial-gradient(ellipse at center, var(--ink-2) 0%, var(--ink) 70%);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.6s, visibility 0.6s;
}

.preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.preloader-inner {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 120px;
    height: 120px;
}

.preloader-ring {
    position: absolute;
    inset: 0;
    border: 1.5px solid rgba(61, 216, 232, 0.15);
    border-top-color: var(--spark);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.preloader-ring::after {
    content: '';
    position: absolute;
    inset: 12px;
    border: 1px solid rgba(61, 216, 232, 0.08);
    border-bottom-color: var(--spark-soft);
    border-radius: 50%;
    animation: spin 1.6s linear reverse infinite;
}

.preloader-inner span {
    position: relative;
    color: var(--white);
    font-family: var(--display);
    font-weight: 700;
    font-size: 1.15rem;
    letter-spacing: 4px;
    z-index: 2;
    background: linear-gradient(180deg, var(--white) 0%, var(--spark-soft) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* --- Navbar --- */
.navbar {
    background: rgba(244, 247, 251, 0.78);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    padding: 0.9rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid transparent;
    transition: all var(--transition);
    overflow: visible;
}

.navbar.scrolled {
    background: rgba(244, 247, 251, 0.92);
    border-bottom-color: var(--border);
    box-shadow: 0 4px 24px rgba(10, 22, 40, 0.06);
}

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

.logo {
    display: flex;
    align-items: center;
    position: relative;
    overflow: visible;
}

.logo-img {
    height: 44px;
    width: auto;
    display: block;
    object-fit: contain;
    border-radius: 6px;
    transition: transform var(--transition);
    position: relative;
    z-index: 1;
}

@media (min-width: 769px) {
    .logo-img {
        transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1),
                    box-shadow 0.45s cubic-bezier(0.22, 1, 0.36, 1);
        transform-origin: top left;
    }

    .logo:hover .logo-img {
        transform: scale(3.5);
        z-index: 1100;
        box-shadow: 0 8px 40px rgba(61, 216, 232, 0.35);
        border-radius: 10px;
    }
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    color: var(--ink);
    font-weight: 500;
    font-size: 0.92rem;
    transition: color var(--transition);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--spark), var(--azure));
    transition: width var(--transition);
    border-radius: 2px;
    box-shadow: 0 0 8px var(--spark);
}

.nav-links a:hover::after { width: 100%; }
.nav-links a:hover { color: var(--spark-deep); }

.btn-nav {
    background: var(--ink);
    color: var(--white) !important;
    padding: 0.6rem 1.5rem;
    border-radius: 50px;
    font-size: 0.88rem !important;
    overflow: hidden;
    position: relative;
    transition: all var(--transition);
}

.btn-nav::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, var(--spark) 0%, var(--azure) 100%);
    opacity: 0;
    transition: opacity var(--transition);
    z-index: -1;
}

.btn-nav::after { display: none !important; }

.btn-nav:hover {
    color: var(--ink) !important;
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(61, 216, 232, 0.3);
}

.btn-nav:hover::before { opacity: 1; }

/* Hamburger */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 4px;
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--ink);
    border-radius: 2px;
    transition: var(--transition);
}

.menu-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* =====================================
   HERO — el rediseño principal
   ===================================== */
#hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: radial-gradient(ellipse at 80% 20%, #1a3358 0%, var(--ink-2) 35%, var(--ink) 100%);
    overflow: hidden;
    padding-top: 90px;
    color: var(--white);
}

/* Canvas de partículas (red de circuito) */
#hero-canvas {
    position: absolute;
    inset: 0;
    z-index: 0;
    opacity: 0.55;
}

.hero-bg-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(61, 216, 232, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(61, 216, 232, 0.05) 1px, transparent 1px);
    background-size: 60px 60px;
    z-index: 0;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
}

.hero-content {
    position: relative;
    z-index: 3;
    max-width: 660px;
    padding: 3rem 0;
}

.hero-company-name {
    font-family: var(--display);
    font-size: clamp(3rem, 9vw, 7.5rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1;
    margin-bottom: 1rem;
    background: linear-gradient(120deg, var(--spark) 0%, var(--spark-soft) 40%, var(--azure) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% 100%;
    animation: fadeInDown 0.6s ease both, gradientShift 6s ease-in-out infinite;
    text-shadow: none;
}

#hero h1 {
    font-family: var(--display);
    font-size: clamp(2.6rem, 5.5vw, 4.4rem);
    line-height: 1.05;
    letter-spacing: -0.02em;
    margin-bottom: 1.5rem;
    color: var(--white);
    font-weight: 600;
}

/* Reveal por palabras */
#hero h1 .word {
    display: inline-block;
    overflow: hidden;
    vertical-align: baseline;
}
#hero h1 .word .inner {
    display: inline-block;
    transform: translateY(110%);
    animation: revealWord 0.9s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

@keyframes revealWord {
    to { transform: translateY(0); }
}

.highlight {
    background: linear-gradient(120deg, var(--spark) 0%, var(--spark-soft) 50%, var(--azure) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    background-size: 200% 100%;
    animation: gradientShift 6s ease-in-out infinite;
}

.highlight .inner {
    background: linear-gradient(120deg, var(--spark) 0%, var(--spark-soft) 50%, var(--azure) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% 100%;
    animation: gradientShift 6s ease-in-out infinite;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

#hero p {
    font-size: 1.12rem;
    color: rgba(255, 255, 255, 0.72);
    margin-bottom: 2.5rem;
    max-width: 540px;
    animation: fadeInUp 0.7s 0.5s ease both;
    line-height: 1.7;
}

.hero-btns {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 3.5rem;
    animation: fadeInUp 0.7s 0.7s ease both;
}

.hero-stats {
    display: flex;
    gap: 2.5rem;
    flex-wrap: wrap;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    animation: fadeInUp 0.7s 0.9s ease both;
}

.hero-stat {
    display: flex;
    flex-direction: column;
    position: relative;
}

.hero-stat strong {
    font-family: var(--display);
    font-size: 2.2rem;
    font-weight: 600;
    color: var(--white);
    letter-spacing: -0.02em;
}

.hero-stat span {
    color: var(--spark);
    font-size: 1.4rem;
    font-weight: 500;
    margin-left: 2px;
}

.hero-stat small {
    font-family: var(--mono);
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.45);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-top: 4px;
}

/* Hero Visual — orb holográfico */
.hero-visual {
    position: absolute;
    right: 0;
    top: 0;
    height: 100%;
    width: 50%;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}

.hero-orb {
    position: relative;
    width: 520px;
    height: 520px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-orb-core {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, var(--spark-soft) 0%, var(--spark) 30%, var(--azure-deep) 80%, var(--ink) 100%);
    box-shadow:
        inset -20px -20px 60px rgba(10, 22, 40, 0.6),
        inset 30px 30px 60px rgba(61, 216, 232, 0.4),
        0 0 80px rgba(61, 216, 232, 0.4),
        0 0 160px rgba(61, 216, 232, 0.2);
    position: relative;
    animation: orbFloat 6s ease-in-out infinite;
}

.hero-orb-core::after {
    content: '';
    position: absolute;
    top: 15%;
    left: 20%;
    width: 30%;
    height: 25%;
    background: radial-gradient(ellipse, rgba(255, 255, 255, 0.6) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(8px);
}

@keyframes orbFloat {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-12px) scale(1.02); }
}

.hero-ring {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(61, 216, 232, 0.18);
    pointer-events: none;
}

.hero-ring::before {
    content: '';
    position: absolute;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--spark);
    box-shadow: 0 0 16px var(--spark), 0 0 32px var(--spark-soft);
    top: -4px;
    left: 50%;
    transform: translateX(-50%);
}

.hero-ring-1 {
    width: 320px; height: 320px;
    animation: rotateRing 18s linear infinite;
}
.hero-ring-2 {
    width: 420px; height: 420px;
    border-style: dashed;
    border-color: rgba(91, 143, 217, 0.2);
    animation: rotateRing 28s linear reverse infinite;
}
.hero-ring-3 {
    width: 520px; height: 520px;
    border-color: rgba(61, 216, 232, 0.08);
    animation: rotateRing 42s linear infinite;
}

@keyframes rotateRing {
    to { transform: rotate(360deg); }
}

/* Floating tech badges around orb */
.hero-orb-tag {
    position: absolute;
    background: rgba(15, 31, 58, 0.7);
    backdrop-filter: blur(14px);
    border: 1px solid rgba(61, 216, 232, 0.25);
    border-radius: 12px;
    padding: 0.7rem 1.1rem;
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--mono);
    font-size: 0.78rem;
    color: var(--white);
    font-weight: 500;
    letter-spacing: 0.5px;
    white-space: nowrap;
    animation: tagFloat 5s ease-in-out infinite;
    box-shadow: 0 12px 30px rgba(10, 22, 40, 0.4);
}

.hero-orb-tag i {
    color: var(--spark);
    font-size: 0.95rem;
}

.hero-orb-tag.t1 { top: 10%; left: -10%; animation-delay: 0s; }
.hero-orb-tag.t2 { top: 30%; right: -8%; animation-delay: 1.4s; }
.hero-orb-tag.t3 { bottom: 18%; left: 0%; animation-delay: 2.8s; }

@keyframes tagFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-14px); }
}

/* Sparkle decorativo (la chispa del logo) */
.sparkle {
    position: absolute;
    pointer-events: none;
    color: var(--spark);
}

.sparkle.s1 {
    top: 20%; right: 28%;
    font-size: 22px;
    animation: twinkle 3s ease-in-out infinite;
}
.sparkle.s2 {
    bottom: 30%; right: 12%;
    font-size: 14px;
    animation: twinkle 4s 1.5s ease-in-out infinite;
}

@keyframes twinkle {
    0%, 100% { opacity: 0.2; transform: scale(0.8) rotate(0deg); }
    50% { opacity: 1; transform: scale(1.1) rotate(45deg); filter: drop-shadow(0 0 8px var(--spark)); }
}

/* Hero Wave */
.hero-wave {
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    z-index: 4;
    line-height: 0;
}

.hero-wave svg {
    width: 100%;
    height: 80px;
    display: block;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 1rem 2.1rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all var(--transition);
    border: none;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
    font-family: var(--body);
    letter-spacing: 0.01em;
}

.btn-primary {
    background: linear-gradient(120deg, var(--spark) 0%, var(--azure) 100%);
    color: var(--ink);
    box-shadow: 0 8px 28px rgba(61, 216, 232, 0.35);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0; height: 0;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 14px 40px rgba(61, 216, 232, 0.5);
}

.btn-primary:hover::before {
    width: 350px; height: 350px;
}

.btn-primary > * { position: relative; z-index: 1; }

.btn-secondary {
    background: rgba(255, 255, 255, 0.04);
    color: var(--white);
    border: 1.5px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--spark);
    color: var(--spark-soft);
    transform: translateY(-2px);
}

/* On light backgrounds */
section .btn-secondary {
    color: var(--ink);
    border-color: var(--border);
    background: var(--white);
}

section .btn-secondary:hover {
    background: var(--ink);
    color: var(--white);
    border-color: var(--ink);
}

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

/* --- Section Shared Styles --- */
section {
    padding: 7rem 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--spark-deep);
    font-family: var(--mono);
    padding: 0.35rem 0;
    font-size: 0.78rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 1.2rem;
    position: relative;
}

.section-tag::before {
    content: '';
    width: 28px;
    height: 1px;
    background: var(--spark-deep);
}

.section-tag::after {
    content: '';
    width: 28px;
    height: 1px;
    background: var(--spark-deep);
}

.section-title {
    font-family: var(--display);
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--ink);
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
    font-weight: 600;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--grey);
    max-width: 600px;
    margin: 0 auto;
    text-wrap: balance;
}

/* --- Filtros --- */
#servicios {
    background: var(--paper);
    position: relative;
}

#servicios::before {
    content: '';
    position: absolute;
    top: 0; right: 0;
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(61, 216, 232, 0.04) 0%, transparent 70%);
    pointer-events: none;
}

.filter-tabs {
    display: flex;
    justify-content: center;
    gap: 0.6rem;
    flex-wrap: wrap;
    margin-bottom: 3.5rem;
}

.filter-btn {
    padding: 0.55rem 1.4rem;
    border: 1.5px solid var(--border);
    background: var(--white);
    border-radius: 50px;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--grey);
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--body);
}

.filter-btn:hover {
    border-color: var(--spark);
    color: var(--spark-deep);
    transform: translateY(-1px);
}

.filter-btn.active {
    background: var(--ink);
    color: var(--white);
    border-color: var(--ink);
    box-shadow: 0 8px 22px rgba(10, 22, 40, 0.18);
}

/* --- Cards de Servicios --- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.6rem;
}

.card {
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: 0 4px 20px rgba(10, 22, 40, 0.04);
    border: 1px solid var(--border-soft);
    display: flex;
    flex-direction: column;
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    overflow: hidden;
    position: relative;
}

/* Spotlight follower (set by JS via custom props) */
.card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(
        500px circle at var(--mx, -100px) var(--my, -100px),
        rgba(61, 216, 232, 0.10),
        transparent 40%
    );
    opacity: 0;
    transition: opacity var(--transition);
    pointer-events: none;
    z-index: 1;
}

.card:hover::before { opacity: 1; }

.card::after {
    content: '';
    position: absolute;
    top: 0; left: 0;
    height: 3px;
    width: 0;
    background: linear-gradient(90deg, var(--spark), var(--azure));
    transition: width 0.5s var(--transition);
    z-index: 2;
}

.card:hover::after { width: 100%; }

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(61, 216, 232, 0.4);
}

.card-top {
    padding: 2.2rem 2rem 1rem;
    position: relative;
    z-index: 2;
}

.card-badge {
    background: linear-gradient(90deg, var(--ink), var(--ink-3));
    color: var(--spark);
    font-family: var(--mono);
    font-size: 0.7rem;
    font-weight: 500;
    padding: 0.45rem 1rem;
    text-align: center;
    letter-spacing: 1px;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border-bottom: 1px solid rgba(61, 216, 232, 0.2);
}

.card-badge i { color: var(--spark); }

.card.card-featured {
    border-color: rgba(61, 216, 232, 0.4);
    box-shadow: 0 12px 40px rgba(61, 216, 232, 0.12);
}

.card.card-featured:hover {
    box-shadow: 0 24px 60px rgba(61, 216, 232, 0.22);
}

.icon-box {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--ink) 0%, var(--ink-3) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    color: var(--spark);
    margin-bottom: 1.4rem;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.icon-box::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--spark) 0%, var(--azure) 100%);
    opacity: 0;
    transition: opacity var(--transition);
}

.icon-box i {
    position: relative;
    z-index: 1;
    transition: color var(--transition), transform var(--transition);
}

.card:hover .icon-box::after { opacity: 1; }
.card:hover .icon-box i {
    color: var(--ink);
    transform: scale(1.1);
}

.card h3 {
    font-family: var(--display);
    font-size: 1.25rem;
    color: var(--ink);
    margin-bottom: 0.7rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.card-top p {
    font-size: 0.92rem;
    color: var(--grey);
    line-height: 1.65;
}

.card-includes {
    padding: 1.2rem 2rem;
    flex: 1;
    border-top: 1px solid var(--border-soft);
    margin-top: 0.6rem;
    position: relative;
    z-index: 2;
}

.includes-title {
    font-family: var(--mono);
    font-size: 0.68rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--grey-light);
    margin-bottom: 0.9rem;
    display: flex;
    align-items: center;
    gap: 6px;
}

.card-includes ul li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.88rem;
    color: var(--ink);
    margin-bottom: 0.6rem;
}

.card-includes ul li i {
    color: var(--spark-deep);
    font-size: 0.75rem;
    flex-shrink: 0;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: rgba(61, 216, 232, 0.12);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.card-cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 1.1rem 2rem;
    font-family: var(--mono);
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--ink);
    text-transform: uppercase;
    letter-spacing: 1.2px;
    border-top: 1px solid var(--border-soft);
    transition: all var(--transition);
    background: transparent;
    position: relative;
    z-index: 2;
}

.card-cta i {
    transition: transform var(--transition);
}

.card-cta:hover {
    background: var(--ink);
    color: var(--spark);
}

.card-cta:hover i {
    transform: translateX(6px);
    color: var(--spark);
}

.card-hidden {
    display: none !important;
}

/* --- Proceso --- */
#proceso {
    background: var(--light);
    position: relative;
}

#proceso::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0;
    width: 100%; height: 1px;
    background: linear-gradient(90deg, transparent, var(--border), transparent);
}

.process-steps {
    display: flex;
    align-items: flex-start;
    gap: 0;
    position: relative;
}

.step {
    flex: 1;
    text-align: center;
    padding: 0 1rem;
    position: relative;
}

.step-number {
    font-family: var(--mono);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--spark-deep);
    letter-spacing: 3px;
    margin-bottom: 1rem;
    display: inline-block;
    padding: 0.2rem 0.8rem;
    border: 1px solid rgba(61, 216, 232, 0.3);
    border-radius: 50px;
    background: rgba(61, 216, 232, 0.05);
}

.step-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.7rem;
    color: var(--ink);
    margin: 0 auto 1.4rem;
    box-shadow: 0 8px 28px rgba(10, 22, 40, 0.08);
    transition: all var(--transition);
    position: relative;
    border: 1px solid var(--border);
}

.step-icon::before {
    content: '';
    position: absolute;
    inset: -6px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--spark), var(--azure));
    opacity: 0;
    z-index: -1;
    transition: opacity var(--transition);
    filter: blur(8px);
}

.step:hover .step-icon {
    transform: translateY(-6px);
    color: var(--spark-deep);
    border-color: var(--spark);
}

.step:hover .step-icon::before {
    opacity: 0.5;
}

.step h3 {
    font-family: var(--display);
    font-size: 1.15rem;
    color: var(--ink);
    margin-bottom: 0.7rem;
    font-weight: 600;
}

.step p {
    font-size: 0.9rem;
    color: var(--grey);
    line-height: 1.65;
    text-wrap: pretty;
}

.step-connector {
    width: 70px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--spark) 50%, transparent);
    flex-shrink: 0;
    margin-top: 110px;
    position: relative;
    overflow: hidden;
}

.step-connector::after {
    content: '';
    position: absolute;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--spark);
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    box-shadow: 0 0 12px var(--spark);
    animation: travel 3s ease-in-out infinite;
}

@keyframes travel {
    0%, 100% { left: -10px; opacity: 0; }
    20% { opacity: 1; }
    80% { opacity: 1; }
    100% { left: 100%; opacity: 0; }
}

/* --- Stats --- */
#stats {
    padding: 6rem 0;
    background: var(--ink);
    position: relative;
    overflow: hidden;
    color: var(--white);
}

#stats::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(61, 216, 232, 0.12) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(91, 143, 217, 0.10) 0%, transparent 50%);
    pointer-events: none;
}

.stats-bg {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(61, 216, 232, 0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(61, 216, 232, 0.06) 1px, transparent 1px);
    background-size: 40px 40px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    text-align: center;
    position: relative;
    z-index: 1;
}

.stat-item {
    color: var(--white);
    padding: 2rem 1rem;
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(10px);
    transition: all var(--transition);
}

.stat-item:hover {
    background: rgba(61, 216, 232, 0.04);
    border-color: rgba(61, 216, 232, 0.3);
    transform: translateY(-4px);
}

.stat-item > i {
    font-size: 1.6rem;
    color: var(--spark);
    margin-bottom: 1.2rem;
    display: block;
    filter: drop-shadow(0 0 10px var(--spark));
}

.stat-number {
    font-family: var(--display);
    font-size: 3rem;
    font-weight: 600;
    color: var(--white);
    line-height: 1;
    margin-bottom: 0.6rem;
    letter-spacing: -0.02em;
    background: linear-gradient(180deg, var(--white) 0%, rgba(255,255,255,0.5) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-family: var(--mono);
    font-size: 0.78rem;
    color: rgba(255,255,255,0.55);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

/* --- Tecnologías --- */
#tecnologias {
    background: var(--paper);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.2rem;
}

.tech-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.9rem;
    padding: 2.2rem 1rem;
    border: 1px solid var(--border-soft);
    background: var(--white);
    border-radius: var(--radius);
    transition: var(--transition);
    cursor: default;
    position: relative;
    overflow: hidden;
}

.tech-item::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--spark), var(--azure));
    transition: width var(--transition);
}

.tech-item:hover::before { width: 80%; }

.tech-item i {
    font-size: 2rem;
    color: var(--ink);
    transition: all var(--transition);
}

.tech-item span {
    font-family: var(--mono);
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--grey);
    letter-spacing: 0.5px;
}

.tech-item:hover {
    border-color: rgba(61, 216, 232, 0.3);
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.tech-item:hover i {
    transform: scale(1.15);
    color: var(--spark-deep);
}

/* --- Nosotros --- */
#nosotros {
    background: var(--light);
    position: relative;
    overflow: hidden;
}

#nosotros::before {
    content: '';
    position: absolute;
    top: -200px;
    left: -200px;
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(61, 216, 232, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

.split-container {
    display: flex;
    align-items: center;
    gap: 5rem;
    position: relative;
}

.text-block {
    flex: 1;
}

.text-block .section-tag {
    margin-bottom: 1.2rem;
    display: inline-flex;
}

.text-block h2 {
    font-family: var(--display);
    font-size: clamp(2rem, 3.5vw, 2.7rem);
    color: var(--ink);
    margin-bottom: 1.2rem;
    letter-spacing: -0.02em;
    font-weight: 600;
}

.text-block > p {
    color: var(--grey);
    margin-bottom: 2rem;
    font-size: 1.02rem;
}

.feature-list {
    margin-bottom: 2.5rem;
}

.feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.4rem;
    padding-bottom: 1.4rem;
    border-bottom: 1px solid var(--border-soft);
}

.feature-list li:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.feature-icon {
    color: var(--spark-deep);
    font-size: 1.1rem;
    flex-shrink: 0;
    margin-top: 4px;
    width: 30px;
    height: 30px;
    border-radius: 8px;
    background: rgba(61, 216, 232, 0.12);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.feature-list strong {
    display: block;
    font-family: var(--display);
    color: var(--ink);
    font-size: 1rem;
    margin-bottom: 4px;
    font-weight: 600;
}

.feature-list small {
    color: var(--grey);
    font-size: 0.88rem;
    line-height: 1.6;
}

/* About Visual */
.image-block {
    flex: 1;
}

.about-visual {
    position: relative;
    height: 420px;
}

.abstract-bg-shape {
    position: absolute;
    width: 360px;
    height: 360px;
    background: linear-gradient(135deg, var(--spark) 0%, var(--azure) 60%, var(--ink) 100%);
    border-radius: 50px;
    right: 20px;
    top: 50%;
    transform: translateY(-50%) rotate(12deg);
    opacity: 0.85;
    z-index: 0;
    box-shadow: 0 30px 80px rgba(61, 216, 232, 0.25);
    overflow: hidden;
}

.abstract-bg-shape::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.07) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.07) 1px, transparent 1px);
    background-size: 24px 24px;
}

.abstract-bg-shape::after {
    content: '';
    position: absolute;
    top: -30%; left: -30%;
    width: 60%; height: 60%;
    background: radial-gradient(circle, rgba(255,255,255,0.4) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(40px);
    animation: orbFloat 8s ease-in-out infinite;
}

.about-card {
    position: absolute;
    background: var(--white);
    border-radius: var(--radius);
    padding: 1.2rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: var(--shadow-lg);
    z-index: 2;
    min-width: 240px;
    border: 1px solid var(--border-soft);
    animation: floatCard 5s ease-in-out infinite;
    transition: transform var(--transition);
}

.about-card:hover {
    transform: translateY(-4px) scale(1.02);
}

.about-card > i {
    font-size: 1.4rem;
    color: var(--ink);
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: linear-gradient(135deg, rgba(61, 216, 232, 0.15), rgba(91, 143, 217, 0.1));
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.about-card strong {
    display: block;
    font-family: var(--display);
    font-size: 0.95rem;
    color: var(--ink);
    font-weight: 600;
}

.about-card small {
    font-size: 0.82rem;
    color: var(--grey);
}

.ac-1 { top: 20px; left: 0; animation-delay: 0s; }
.ac-2 { top: 160px; right: 0; animation-delay: 1.6s; }
.ac-3 { bottom: 20px; left: 60px; animation-delay: 3.2s; }

@keyframes floatCard {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-12px); }
}

/* --- Testimonios --- */
#testimonios {
    background: var(--paper);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(310px, 1fr));
    gap: 1.6rem;
}

.testimonial-card {
    background: var(--white);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius);
    padding: 2rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.testimonial-card::before {
    content: '\201C';
    position: absolute;
    top: -1rem;
    right: 1rem;
    font-size: 6rem;
    color: var(--spark);
    opacity: 0.15;
    font-family: Georgia, serif;
    line-height: 1;
    transition: opacity var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(61, 216, 232, 0.3);
}

.testimonial-card:hover::before {
    opacity: 0.3;
}

.testimonial-stars {
    color: #f5b300;
    font-size: 1rem;
    margin-bottom: 1rem;
    letter-spacing: 3px;
    filter: drop-shadow(0 0 6px rgba(245, 179, 0, 0.4));
}

blockquote {
    font-size: 0.97rem;
    color: var(--ink);
    line-height: 1.7;
    margin-bottom: 1.5rem;
    text-wrap: pretty;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    padding-top: 1.2rem;
    border-top: 1px solid var(--border-soft);
}

.author-avatar {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--ink), var(--azure));
    color: var(--spark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.82rem;
    font-weight: 700;
    font-family: var(--display);
    flex-shrink: 0;
    border: 2px solid var(--white);
    box-shadow: 0 4px 12px rgba(10, 22, 40, 0.15);
}

.author-info strong {
    display: block;
    font-family: var(--display);
    font-size: 0.94rem;
    color: var(--ink);
    font-weight: 600;
}

.author-info small {
    font-size: 0.8rem;
    color: var(--grey);
}

/* --- FAQ --- */
#faq {
    background: var(--light);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.faq-item {
    background: var(--white);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-sm);
    overflow: hidden;
    transition: all var(--transition);
}

.faq-item.open {
    box-shadow: var(--shadow);
    border-color: rgba(61, 216, 232, 0.4);
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 1.4rem 1.6rem;
    background: none;
    border: none;
    cursor: pointer;
    gap: 1rem;
    font-family: var(--display);
    font-size: 1rem;
    font-weight: 600;
    color: var(--ink);
    text-align: left;
    transition: color var(--transition);
}

.faq-question:hover {
    color: var(--spark-deep);
}

.faq-icon {
    flex-shrink: 0;
    font-size: 0.9rem;
    color: var(--spark-deep);
    transition: transform var(--transition);
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgba(61, 216, 232, 0.12);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.faq-item.open .faq-icon {
    transform: rotate(45deg);
    background: var(--spark);
    color: var(--ink);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.45s var(--transition), padding 0.3s;
}

.faq-answer.open {
    max-height: 280px;
    padding: 0 1.6rem 1.4rem;
}

.faq-answer p {
    font-size: 0.94rem;
    color: var(--grey);
    line-height: 1.7;
    text-wrap: pretty;
}

/* --- Contacto --- */
#contacto {
    background: var(--paper);
    padding: 7rem 0;
    position: relative;
    overflow: hidden;
}

#contacto::before {
    content: '';
    position: absolute;
    bottom: -100px; right: -100px;
    width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(61, 216, 232, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 5rem;
    align-items: start;
    position: relative;
}

.contact-info .section-tag {
    display: inline-flex;
    margin-bottom: 1rem;
}

.contact-info h2 {
    font-family: var(--display);
    font-size: 2.4rem;
    color: var(--ink);
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
    font-weight: 600;
}

.contact-info > p {
    color: var(--grey);
    margin-bottom: 2.5rem;
    line-height: 1.7;
    font-size: 1.02rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    margin-bottom: 2.5rem;
}

.contact-detail-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.95rem;
    color: var(--ink);
    padding: 1rem 1.2rem;
    background: var(--white);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.contact-detail-item:hover {
    border-color: rgba(61, 216, 232, 0.4);
    transform: translateX(4px);
}

.contact-detail-item i {
    color: var(--spark-deep);
    font-size: 1.1rem;
    width: 22px;
    text-align: center;
}

.contact-detail-item a {
    color: var(--ink);
    font-weight: 500;
}

.contact-detail-item a:hover {
    color: var(--spark-deep);
}

.contact-social {
    display: flex;
    gap: 0.8rem;
}

.contact-social a {
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: var(--white);
    color: var(--ink);
    border: 1px solid var(--border);
    transition: var(--transition);
    font-size: 1rem;
}

.contact-social a:hover {
    background: var(--ink);
    color: var(--spark);
    border-color: var(--ink);
    transform: translateY(-3px);
}

.contact-form-box {
    background: var(--white);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius);
    padding: 2.5rem;
    box-shadow: var(--shadow);
    position: relative;
}

.contact-form-box::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--spark), var(--azure));
    border-radius: var(--radius) var(--radius) 0 0;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.3rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-family: var(--mono);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--ink);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.contact-form input,
.contact-form textarea,
.contact-form select {
    padding: 0.9rem 1rem;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-family: var(--body);
    font-size: 0.95rem;
    background: var(--paper);
    color: var(--ink);
    transition: all var(--transition);
}

.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
    outline: none;
    border-color: var(--spark);
    box-shadow: 0 0 0 4px rgba(61, 216, 232, 0.15);
    background: var(--white);
}

.contact-form select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath fill='%231FA8B8' d='M5.23 7.21a.75.75 0 011.06.02L10 11.168l3.71-3.938a.75.75 0 111.08 1.04l-4.25 4.5a.75.75 0 01-1.08 0l-4.25-4.5a.75.75 0 01.02-1.06z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1.2em;
    padding-right: 2.5rem;
}

.contact-form .btn-primary {
    color: var(--ink);
    margin-top: 0.5rem;
}

.form-disclaimer {
    font-family: var(--mono);
    font-size: 0.75rem;
    color: var(--grey-light);
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-success {
    text-align: center;
    padding: 3rem 2rem;
}

.form-success i {
    font-size: 3.8rem;
    color: var(--success);
    margin-bottom: 1rem;
    display: block;
    filter: drop-shadow(0 0 12px rgba(34, 197, 94, 0.4));
}

.form-success h3 {
    font-family: var(--display);
    font-size: 1.6rem;
    color: var(--ink);
    margin-bottom: 0.5rem;
}

.form-success p {
    color: var(--grey);
}

/* --- Footer --- */
footer {
    background: var(--ink);
    color: rgba(255,255,255,0.85);
    position: relative;
    overflow: hidden;
}

footer::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 1px;
    background: linear-gradient(90deg, transparent, var(--spark) 50%, transparent);
}

footer::after {
    content: '';
    position: absolute;
    top: -200px; right: -200px;
    width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(61, 216, 232, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 3rem;
    padding: 4.5rem 0 3rem;
    position: relative;
}

.footer-logo {
    margin-bottom: 1rem;
    display: inline-flex;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 6px 10px;
}

.footer-logo-img {
    height: 56px;
    width: auto;
    display: block;
    object-fit: contain;
    border-radius: 4px;
}

.footer-brand p {
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 1.8rem;
    color: rgba(255,255,255,0.55);
    max-width: 280px;
}

.socials {
    display: flex;
    gap: 0.8rem;
}

.socials a {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: rgba(255,255,255,0.04);
    color: var(--white);
    font-size: 0.95rem;
    transition: var(--transition);
    border: 1px solid rgba(255,255,255,0.08);
}

.socials a:hover {
    background: var(--spark);
    color: var(--ink);
    border-color: var(--spark);
    transform: translateY(-3px);
}

.footer-col h4 {
    font-family: var(--mono);
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--spark);
    margin-bottom: 1.4rem;
}

.footer-col ul li {
    margin-bottom: 0.8rem;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-col ul li a {
    color: rgba(255,255,255,0.6);
    transition: all var(--transition);
    position: relative;
}

.footer-col ul li a:hover {
    color: var(--spark-soft);
    transform: translateX(3px);
}

.footer-col ul li i {
    color: var(--spark);
    font-size: 0.85rem;
    flex-shrink: 0;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.06);
    padding: 1.8rem 0;
    position: relative;
}

.footer-bottom .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-bottom p {
    font-family: var(--mono);
    font-size: 0.78rem;
    color: rgba(255,255,255,0.4);
    letter-spacing: 0.5px;
}

.footer-legal {
    display: flex;
    gap: 1.8rem;
}

.footer-legal a {
    color: rgba(255,255,255,0.4);
    font-size: 0.82rem;
    transition: color var(--transition);
}

.footer-legal a:hover {
    color: var(--spark-soft);
}

/* --- Botón Scroll Top --- */
.scroll-top {
    position: fixed;
    bottom: 110px;
    right: 1.5rem;
    width: 46px;
    height: 46px;
    background: var(--ink);
    color: var(--spark);
    border: 1px solid rgba(61, 216, 232, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 900;
    box-shadow: 0 8px 30px rgba(10, 22, 40, 0.3);
    transition: all var(--transition);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-top:hover {
    background: var(--spark);
    color: var(--ink);
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(61, 216, 232, 0.4);
}

/* --- WhatsApp Flotante --- */
.whatsapp-float {
    position: fixed;
    bottom: 2rem;
    right: 1.5rem;
    width: 58px;
    height: 58px;
    background: #25d366;
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.85rem;
    z-index: 900;
    box-shadow: 0 8px 28px rgba(37,211,102,0.45);
    transition: transform var(--transition), box-shadow var(--transition);
    animation: pulse-wsp 2.5s ease infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 12px 38px rgba(37,211,102,0.55);
    animation: none;
}

.wsp-tooltip {
    position: absolute;
    right: 70px;
    background: var(--ink);
    color: var(--white);
    padding: 0.5rem 0.95rem;
    border-radius: var(--radius-sm);
    font-size: 0.82rem;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition);
    border: 1px solid rgba(61, 216, 232, 0.2);
}

.whatsapp-float:hover .wsp-tooltip {
    opacity: 1;
}

@keyframes pulse-wsp {
    0%, 100% { box-shadow: 0 8px 28px rgba(37,211,102,0.45); }
    50% { box-shadow: 0 8px 40px rgba(37,211,102,0.7); }
}

/* --- Animations --- */
@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-15px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.7s var(--transition), transform 0.7s var(--transition);
}

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

/* --- Responsive --- */
@media (max-width: 1024px) {
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .tech-grid { grid-template-columns: repeat(4, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .process-steps { flex-wrap: wrap; justify-content: center; gap: 2rem; }
    .step-connector { display: none; }
    .step { min-width: 200px; }
    .hero-orb { width: 420px; height: 420px; }
    .hero-orb-core { width: 160px; height: 160px; }
    .hero-ring-1 { width: 280px; height: 280px; }
    .hero-ring-2 { width: 360px; height: 360px; }
    .hero-ring-3 { width: 420px; height: 420px; }
}

@media (max-width: 768px) {
    section { padding: 4.5rem 0; }

    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--white);
        padding: 1.5rem 2rem;
        box-shadow: 0 10px 30px rgba(10, 22, 40, 0.1);
        gap: 1.2rem;
        border-top: 1px solid var(--border);
    }

    .nav-links.active { display: flex; }
    .nav-links a::after { display: none; }
    .menu-toggle { display: flex; }

    #hero { padding-top: 80px; min-height: auto; padding-bottom: 5rem; }
    .hero-visual { display: none; }
    #hero h1 { font-size: 2.6rem; }
    .hero-stats { gap: 1.5rem; padding-top: 1.5rem; }
    .hero-stat strong { font-size: 1.8rem; }

    .split-container { flex-direction: column; gap: 2.5rem; }
    .image-block { width: 100%; }
    .about-visual { height: 320px; }
    .ac-2 { right: 0; }

    .contact-wrapper { grid-template-columns: 1fr; gap: 2.5rem; }
    .form-row { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .tech-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
    .footer-bottom .container { flex-direction: column; text-align: center; }
    .services-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
    .hero-stats { gap: 1rem; }
    .hero-stat strong { font-size: 1.6rem; }
    .filter-tabs { gap: 0.4rem; }
    .filter-btn { padding: 0.4rem 1rem; font-size: 0.78rem; }
    .stats-grid { grid-template-columns: 1fr 1fr; gap: 1rem; }
    .tech-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr; }
    .testimonials-grid { grid-template-columns: 1fr; }
    .contact-form-box { padding: 1.5rem; }
}

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