/* ================================================================
   TCFO EIRL — Sistema de Diseño Glassmorphism & Paleta Telco
   Dark: Obsidian Deep Laser · Light: Clean Fiber Lab / Sky Tech
   ================================================================ */

:root,
html[data-theme="dark"] {
    color-scheme: dark;
    --bg0: #060B13;
    --bg-header: rgba(6, 11, 19, 0.78);
    --header-shadow: 0 10px 40px -18px rgba(0, 0, 0, 0.7);
    --glass: rgba(14, 25, 44, 0.65);
    --glass-hi: rgba(20, 36, 62, 0.78);
    --glass-surface: rgba(10, 20, 36, 0.88);
    --stroke: rgba(56, 189, 248, 0.16);
    --stroke-hi: rgba(0, 229, 255, 0.48);
    --glass-shadow: 0 14px 36px -12px rgba(0, 0, 0, 0.55), inset 0 1px 0 rgba(255, 255, 255, 0.08);
    --glass-shadow-lg: 0 24px 60px -20px rgba(0, 0, 0, 0.75), inset 0 1px 0 rgba(255, 255, 255, 0.12);

    --cyan: #00E5FF;
    --cyan-soft: rgba(0, 229, 255, 0.08);
    --cyan-soft2: rgba(0, 229, 255, 0.16);
    --cyan-border: rgba(0, 229, 255, 0.32);
    --btn-shadow: 0 8px 28px -10px rgba(0, 229, 255, 0.5);
    --btn-shadow-hi: 0 14px 34px -10px rgba(0, 229, 255, 0.75);

    --text: #F8FAFC;
    --mut: rgba(226, 232, 240, 0.75);
    --mut2: rgba(226, 232, 240, 0.50);
    --sel-ink: #04121C;

    --panel: rgba(10, 20, 36, 0.88);
    --panel-back: rgba(3, 7, 13, 0.82);
    --panel-shadow: 0 34px 80px -30px rgba(0, 0, 0, 0.8);
    --dot-bg: rgba(14, 25, 44, 0.95);

    --glow1: rgba(0, 229, 255, 0.12);
    --glow2: rgba(14, 165, 233, 0.10);
    --grad-a: #00E5FF;
    --grad-b: #38BDF8;

    --strip: rgba(255, 255, 255, 0.025);
    --tint: rgba(255, 255, 255, 0.02);

    --input-bg: rgba(14, 25, 44, 0.72);
    --input-focus-bg: rgba(20, 36, 62, 0.92);
    --input-focus-ring: rgba(0, 229, 255, 0.24);
    --field-line: rgba(56, 189, 248, 0.22);

    --wa-shadow: 0 12px 34px -8px rgba(16, 185, 129, 0.55);
    --wa-shadow-hi: 0 16px 40px -8px rgba(16, 185, 129, 0.75);
    --green: #10B981;
    --amber: #F59E0B;
    --red: #EF4444;

    --otdr-bg: rgba(10, 20, 36, 0.92);
    --otdr-stroke: rgba(56, 189, 248, 0.16);
    --otdr-mut: rgba(226, 232, 240, 0.70);
    --otdr-mut2: rgba(226, 232, 240, 0.48);
    --otdr-accent: #00E5FF;
}

html[data-theme="light"] {
    color-scheme: light;
    --bg0: #F1F5F9;
    --bg-header: rgba(241, 245, 249, 0.85);
    --header-shadow: 0 10px 30px -18px rgba(15, 23, 42, 0.15);
    --glass: rgba(255, 255, 255, 0.75);
    --glass-hi: rgba(255, 255, 255, 0.92);
    --glass-surface: rgba(255, 255, 255, 0.94);
    --stroke: rgba(15, 23, 42, 0.10);
    --stroke-hi: rgba(2, 132, 199, 0.42);
    --glass-shadow: 0 14px 36px -12px rgba(15, 23, 42, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.9);
    --glass-shadow-lg: 0 24px 60px -20px rgba(15, 23, 42, 0.12), inset 0 1px 0 rgba(255, 255, 255, 0.95);

    --cyan: #0284C7;
    --cyan-soft: rgba(2, 132, 199, 0.08);
    --cyan-soft2: rgba(2, 132, 199, 0.14);
    --cyan-border: rgba(2, 132, 199, 0.32);
    --btn-shadow: 0 8px 28px -12px rgba(2, 132, 199, 0.45);
    --btn-shadow-hi: 0 14px 34px -12px rgba(2, 132, 199, 0.6);

    --text: #0F172A;
    --mut: rgba(15, 23, 42, 0.72);
    --mut2: rgba(15, 23, 42, 0.50);
    --sel-ink: #F4FAFD;

    --panel: rgba(255, 255, 255, 0.94);
    --panel-back: rgba(15, 23, 42, 0.45);
    --panel-shadow: 0 30px 70px -32px rgba(15, 23, 42, 0.2);
    --dot-bg: #FFFFFF;

    --glow1: rgba(2, 132, 199, 0.12);
    --glow2: rgba(14, 165, 233, 0.08);
    --grad-a: #0284C7;
    --grad-b: #0EA5E9;

    --strip: rgba(15, 23, 42, 0.03);
    --tint: rgba(15, 23, 42, 0.02);

    --input-bg: rgba(255, 255, 255, 0.95);
    --input-focus-bg: #FFFFFF;
    --input-focus-ring: rgba(2, 132, 199, 0.20);
    --field-line: rgba(15, 23, 42, 0.16);

    --wa-shadow: 0 12px 34px -10px rgba(5, 150, 105, 0.45);
    --wa-shadow-hi: 0 16px 40px -10px rgba(5, 150, 105, 0.6);
    --green: #059669;
    --amber: #D97706;
    --red: #DC2626;

    --otdr-bg: rgba(255, 255, 255, 0.96);
    --otdr-stroke: rgba(15, 23, 42, 0.12);
    --otdr-mut: rgba(15, 23, 42, 0.70);
    --otdr-mut2: rgba(15, 23, 42, 0.50);
    --otdr-accent: #0284C7;
}

:root {
    --btn-grad-a: #00E5FF;
    --btn-grad-b: #0284C7;
    --btn-ink: #04121C;
}

@property --a {
    syntax: '<angle>';
    initial-value: 0deg;
    inherits: false;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 110px;
    background: var(--bg0);
}

body {
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
    background: var(--bg0);
    color: var(--text);
    line-height: 1.65;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    transition: background 0.3s, color 0.3s;
}

img,
svg {
    display: block;
}

a {
    color: inherit;
}

::selection {
    background: var(--cyan);
    color: var(--sel-ink);
}

:focus-visible {
    outline: 2px solid var(--cyan);
    outline-offset: 3px;
    border-radius: 6px;
}

.wrap {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 24px;
}

.skip {
    position: absolute;
    left: -999px;
    top: 8px;
    background: var(--cyan);
    color: var(--sel-ink);
    padding: 10px 16px;
    z-index: 400;
    border-radius: 6px;
    font-weight: 600;
}

.skip:focus {
    left: 8px;
}

::view-transition-old(root),
::view-transition-new(root) {
    animation-duration: 0.4s;
}

h1,
h2,
h3 {
    line-height: 1.15;
    letter-spacing: -0.02em;
    font-weight: 700;
    color: var(--text);
}

.kicker {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 0.74rem;
    font-weight: 700;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--cyan);
    margin-bottom: 18px;
}

.kicker::before {
    content: "";
    width: 26px;
    height: 2px;
    background: var(--cyan);
    opacity: 0.85;
    border-radius: 2px;
}

.sec-head {
    max-width: 640px;
    margin-bottom: 52px;
}

.sec-head.center {
    margin-inline: auto;
    text-align: center;
}

.sec-head h2 {
    font-size: clamp(1.75rem, 4vw, 2.75rem);
}

.sec-head p {
    margin-top: 14px;
    color: var(--mut);
    font-size: 1.04rem;
    line-height: 1.6;
}

.num {
    font-variant-numeric: tabular-nums;
}

.hide {
    display: none !important;
}

.process,
.coverage,
.voices,
.faq,
.contact,
footer.site {
    content-visibility: auto;
    contain-intrinsic-size: auto 700px;
}

/* ---------- Fondo de Red Dinámico ---------- */
#netbg {
    position: fixed;
    inset: 0;
    z-index: -1;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.bg-glow {
    position: fixed;
    z-index: -2;
    border-radius: 50%;
    pointer-events: none;
}

.g1 {
    width: 70vmax;
    height: 70vmax;
    top: -25vmax;
    right: -20vmax;
    background: radial-gradient(circle, var(--glow1), transparent 62%);
    animation: drift1 26s ease-in-out infinite alternate;
}

.g2 {
    width: 60vmax;
    height: 60vmax;
    bottom: -25vmax;
    left: -18vmax;
    background: radial-gradient(circle, var(--glow2), transparent 62%);
    animation: drift2 32s ease-in-out infinite alternate;
}

@keyframes drift1 {
    to {
        transform: translate(-6vmax, 8vmax) scale(1.12);
    }
}

@keyframes drift2 {
    to {
        transform: translate(7vmax, -6vmax) scale(1.08);
    }
}

/* ---------- Sistema Glassmorphism Refinado ---------- */
.glass {
    background: var(--glass);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--stroke);
    border-radius: 16px;
    box-shadow: var(--glass-shadow);
}

.glass-hi {
    background: var(--glass-hi);
    -webkit-backdrop-filter: blur(24px) saturate(200%);
    backdrop-filter: blur(24px) saturate(200%);
    border: 1px solid var(--stroke-hi);
    border-radius: 16px;
    box-shadow: var(--glass-shadow-lg);
}

/* ---------- Botones ---------- */
.btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    overflow: hidden;
    font-weight: 600;
    font-size: 0.95rem;
    padding: 14px 26px;
    border-radius: 12px;
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    font-family: inherit;
    transition: transform 0.3s cubic-bezier(0.22, 0.68, 0.32, 1), box-shadow 0.3s, border-color 0.3s, background 0.3s, opacity 0.3s;
}

.btn:active {
    transform: translateY(1px) scale(0.99);
}

.btn svg {
    width: 18px;
    height: 18px;
    flex: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--btn-grad-a), var(--btn-grad-b));
    color: var(--btn-ink);
    box-shadow: var(--btn-shadow);
    font-weight: 700;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--btn-shadow-hi);
}

.btn-primary::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(105deg, transparent 40%, rgba(255, 255, 255, 0.45) 50%, transparent 60%);
    transform: translateX(-120%);
    transition: transform 0.7s cubic-bezier(0.22, 0.68, 0.32, 1);
}

.btn-primary:hover::after {
    transform: translateX(120%);
}

.btn-wa {
    background: var(--green);
    color: #04120A;
    box-shadow: var(--btn-shadow);
    font-weight: 700;
}

.btn-wa:hover {
    transform: translateY(-2px);
    box-shadow: var(--wa-shadow-hi);
}

.btn-wa::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(105deg, transparent 40%, rgba(255, 255, 255, 0.35) 50%, transparent 60%);
    transform: translateX(-120%);
    transition: transform 0.7s cubic-bezier(0.22, 0.68, 0.32, 1);
}

.btn-wa:hover::after {
    transform: translateX(120%);
}

.btn-ghost {
    background: var(--glass);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    color: var(--text);
    border-color: var(--stroke);
    box-shadow: var(--glass-shadow);
}

.btn-ghost:hover {
    border-color: var(--stroke-hi);
    background: var(--glass-hi);
    transform: translateY(-2px);
}

.btn.loading {
    pointer-events: none;
    opacity: 0.75;
}

.btn .spin {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(0, 0, 0, 0.25);
    border-top-color: #04120A;
    border-radius: 50%;
    animation: rot 0.7s linear infinite;
}

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

/* ---------- Toggle de Tema ---------- */
.theme-toggle {
    position: relative;
    width: 40px;
    height: 40px;
    border-radius: 12px;
    border: 1px solid var(--stroke);
    background: var(--glass);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    box-shadow: var(--glass-shadow);
    cursor: pointer;
    flex: none;
    transition: border-color 0.3s, transform 0.3s cubic-bezier(0.22, 0.68, 0.32, 1), background 0.3s;
    -webkit-tap-highlight-color: transparent;
}

.theme-toggle:hover {
    border-color: var(--stroke-hi);
    background: var(--glass-hi);
    transform: translateY(-2px);
}

.theme-toggle svg {
    position: absolute;
    inset: 0;
    margin: auto;
    width: 19px;
    height: 19px;
    color: var(--cyan);
    transition: transform 0.5s cubic-bezier(0.22, 0.68, 0.32, 1), opacity 0.3s;
}

html[data-theme="dark"] .ic-sun {
    opacity: 0;
    transform: rotate(90deg) scale(0.3);
}

html[data-theme="dark"] .ic-moon {
    opacity: 1;
}

html[data-theme="light"] .ic-moon {
    opacity: 0;
    transform: rotate(-90deg) scale(0.3);
}

html[data-theme="light"] .ic-sun {
    opacity: 1;
}

/* ---------- Header ---------- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 200;
    transition: transform 0.45s cubic-bezier(0.22, 0.68, 0.32, 1), background 0.35s, border-color 0.35s, box-shadow 0.35s;
    border-bottom: 1px solid transparent;
}

.site-header.is-hidden {
    transform: translateY(-105%);
}

.site-header.is-solid {
    background: var(--bg-header);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    backdrop-filter: blur(20px) saturate(180%);
    border-bottom-color: var(--stroke);
    box-shadow: var(--header-shadow);
}

.progress {
    position: absolute;
    left: 0;
    bottom: -1px;
    height: 2px;
    width: 0;
    background: linear-gradient(90deg, var(--cyan), var(--grad-b));
    box-shadow: 0 0 12px var(--cyan);
    z-index: 2;
}

.h-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 14px 24px 10px;
    transition: padding 0.35s cubic-bezier(0.22, 0.68, 0.32, 1);
}

.site-header.is-solid .h-inner {
    padding: 10px 24px 8px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.brand .logo-slot {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    overflow: hidden;
    flex: none;
    display: grid;
    place-items: center;
    background: var(--glass);
    border: 1px solid var(--stroke);
    box-shadow: var(--glass-shadow);
    transition: transform 0.35s cubic-bezier(0.22, 0.68, 0.32, 1), border-color 0.35s;
}

.brand:hover .logo-slot {
    transform: scale(1.06) rotate(-2deg);
    border-color: var(--stroke-hi);
}

.brand img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.logo-fallback {
    font-weight: 800;
    font-size: 1rem;
    color: var(--cyan);
    font-family: ui-monospace, Consolas, monospace;
    display: grid;
    place-items: center;
    width: 100%;
    height: 100%;
}

.brand-name {
    font-weight: 800;
    font-size: 1.15rem;
    letter-spacing: -0.01em;
    color: var(--text);
}

.brand-name b {
    color: var(--cyan);
}

.brand-name small {
    display: block;
    font-size: 0.58rem;
    font-weight: 600;
    letter-spacing: 0.3em;
    color: var(--mut2);
    text-transform: uppercase;
    margin-top: 1px;
}

.nav-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    max-width: 100%;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 4px;
    max-width: min(100%, 600px);
    overflow-x: auto;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
    padding: 2px 14px;
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 16px, #000 calc(100% - 16px), transparent);
    mask-image: linear-gradient(90deg, transparent, #000 16px, #000 calc(100% - 16px), transparent);
}

.main-nav::-webkit-scrollbar {
    display: none;
}

.main-nav a {
    position: relative;
    text-decoration: none;
    font-size: 0.86rem;
    font-weight: 500;
    color: var(--mut);
    padding: 8px 14px;
    border-radius: 99px;
    white-space: nowrap;
    transition: color 0.25s, background 0.25s;
}

.main-nav a:hover {
    color: var(--text);
    background: var(--glass-hi);
}

.main-nav a.active {
    color: var(--cyan);
    font-weight: 600;
}

.main-nav a.active::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: 2px;
    transform: translateX(-50%);
    width: 16px;
    height: 2px;
    border-radius: 2px;
    background: var(--cyan);
    box-shadow: 0 0 8px var(--cyan);
}

.nav-cta {
    margin: 0;
    padding: 9px 20px;
    font-size: 0.84rem;
    flex: none;
}

/* ---------- Hero ---------- */
.hero {
    position: relative;
    min-height: 100svh;
    display: flex;
    align-items: center;
    padding: 150px 0 90px;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: radial-gradient(640px 420px at 78% 18%, var(--glow1), transparent 65%), radial-gradient(520px 380px at 12% 85%, var(--glow2), transparent 65%);
}

.hero-grid {
    position: relative;
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 64px;
    align-items: center;
    width: 100%;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    font-size: 0.74rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text);
    padding: 8px 16px;
    border-radius: 99px;
    margin-bottom: 26px;
    max-width: 100%;
    line-height: 1.4;
}

.hero-badge i {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 10px var(--green);
    animation: pulse 2.2s infinite;
    flex: none;
}

@keyframes pulse {
    50% {
        opacity: 0.3;
        transform: scale(0.8);
    }
}

.hero h1 {
    font-size: clamp(2.1rem, 5vw, 3.8rem);
    font-weight: 800;
}

.hero h1 .line {
    display: block;
    overflow: hidden;
}

.hero h1 .line span {
    display: inline-block;
    transform: translateY(110%);
    animation: riseUp 0.9s cubic-bezier(0.22, 0.68, 0.32, 1) forwards;
}

.hero h1 .line:nth-child(2) span {
    animation-delay: 0.12s;
}

.hero h1 .line:nth-child(3) span {
    animation-delay: 0.24s;
}

@keyframes riseUp {
    to {
        transform: none;
    }
}

.grad {
    background: linear-gradient(92deg, var(--grad-a) 0%, var(--grad-b) 50%, var(--grad-a) 100%);
    background-size: 200% 100%;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    animation: gradShift 6s linear infinite;
}

@keyframes gradShift {
    to {
        background-position: 200% 0;
    }
}

.hero-sub {
    margin-top: 22px;
    font-size: 1.06rem;
    color: var(--mut);
    max-width: 520px;
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 34px;
}

.hero-note {
    margin-top: 20px;
    font-size: 0.82rem;
    color: var(--mut2);
}

.fx {
    opacity: 0;
    transform: translateY(18px);
    animation: fadeIn 0.8s cubic-bezier(0.22, 0.68, 0.32, 1) forwards;
}

.fx.d1 {
    animation-delay: 0.35s;
}

.fx.d2 {
    animation-delay: 0.5s;
}

.fx.d3 {
    animation-delay: 0.65s;
}

.fx.d4 {
    animation-delay: 0.8s;
}

@keyframes fadeIn {
    to {
        opacity: 1;
        transform: none;
    }
}

/* Panel OTDR */
.otdr {
    position: relative;
    border-radius: 18px;
    padding: 1px;
    overflow: hidden;
}

.otdr::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: conic-gradient(from var(--a), transparent 0 68%, var(--stroke-hi) 82%, var(--grad-b) 88%, transparent 100%);
    animation: spin 7s linear infinite;
}

@keyframes spin {
    to {
        --a: 360deg;
    }
}

.otdr-in {
    position: relative;
    border-radius: 17px;
    overflow: hidden;
    background: var(--otdr-bg);
    -webkit-backdrop-filter: blur(24px);
    backdrop-filter: blur(24px);
    box-shadow: var(--panel-shadow);
    transition: background 0.3s;
}

.otdr-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    padding: 15px 20px;
    border-bottom: 1px solid var(--otdr-stroke);
}

.otdr-head strong {
    font-size: 0.74rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--otdr-mut);
    font-weight: 700;
}

.otdr-head .live {
    display: flex;
    align-items: center;
    gap: 7px;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--otdr-accent);
    flex: none;
}

.otdr-head .live i {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--otdr-accent);
    animation: pulse 1.6s infinite;
    box-shadow: 0 0 10px var(--otdr-accent);
}

.otdr canvas {
    width: 100%;
    height: auto;
    display: block;
}

.otdr-foot {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 8px 12px;
    padding: 14px 20px;
    border-top: 1px solid var(--otdr-stroke);
    font-family: ui-monospace, Consolas, monospace;
    font-size: 0.72rem;
    color: var(--otdr-mut2);
}

.otdr-foot span {
    white-space: nowrap;
}

.otdr-foot b {
    color: var(--otdr-accent);
    font-weight: 600;
}

.scroll-hint {
    position: absolute;
    left: 50%;
    bottom: 26px;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    font-size: 0.66rem;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--mut2);
    text-decoration: none;
}

.scroll-hint svg {
    width: 16px;
    height: 16px;
    color: var(--cyan);
    animation: bob 1.8s ease-in-out infinite;
}

@keyframes bob {
    50% {
        transform: translateY(6px);
    }
}

/* ---------- Marquee ---------- */
.marquee {
    padding: 16px 0;
    border-block: 1px solid var(--stroke);
    background: var(--strip);
    overflow: hidden;
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
    mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}

.mq-track {
    display: flex;
    width: max-content;
    animation: slide 34s linear infinite;
}

.marquee:hover .mq-track {
    animation-play-state: paused;
}

.mq-track span {
    font-family: ui-monospace, Consolas, monospace;
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    padding: 0 18px;
    white-space: nowrap;
    color: var(--mut);
    transition: color 0.3s;
}

.mq-track span:hover {
    color: var(--cyan);
}

.mq-track span::after {
    content: "·";
    color: var(--cyan);
    padding-left: 36px;
    opacity: 0.6;
}

@keyframes slide {
    to {
        transform: translateX(-50%);
    }
}

/* ---------- Clientes ---------- */
.clients {
    padding: 44px 0;
    border-bottom: 1px solid var(--stroke);
}

.cl-label {
    text-align: center;
    font-size: 0.74rem;
    font-weight: 600;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--mut2);
    margin-bottom: 26px;
}

.cl-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 18px 44px;
}

.cl-logo {
    height: 36px;
    min-width: 120px;
    display: grid;
    place-items: center;
    opacity: 0.65;
    filter: grayscale(1);
    transition: opacity 0.3s, filter 0.3s;
}

.cl-logo:hover {
    opacity: 1;
    filter: none;
}

.cl-logo img {
    max-height: 36px;
    width: auto;
}

.cl-logo b {
    font-size: 0.82rem;
    letter-spacing: 0.18em;
    color: var(--mut);
    font-weight: 600;
    white-space: nowrap;
}

/* ---------- Stats ---------- */
.stats {
    padding: 84px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.stat {
    padding: 30px 26px;
    position: relative;
    overflow: hidden;
    transition: transform 0.4s cubic-bezier(0.22, 0.68, 0.32, 1), border-color 0.4s, background 0.4s;
}

.stat:hover {
    transform: translateY(-5px);
    border-color: var(--stroke-hi);
    background: var(--glass-hi);
}

.stat::after {
    content: "";
    position: absolute;
    left: 26px;
    right: 26px;
    bottom: 0;
    height: 2px;
    border-radius: 2px;
    background: linear-gradient(90deg, var(--cyan), transparent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s cubic-bezier(0.22, 0.68, 0.32, 1);
}

.stat:hover::after {
    transform: scaleX(1);
}

.stat .big {
    font-size: clamp(1.9rem, 3.6vw, 2.9rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1;
}

.stat .big b {
    color: var(--cyan);
}

.stat p {
    margin-top: 10px;
    font-size: 0.88rem;
    color: var(--mut);
    line-height: 1.5;
}

/* ---------- Nosotros ---------- */
.about {
    padding: 100px 0;
    border-top: 1px solid var(--stroke);
}

.ab-grid {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 60px;
    align-items: center;
}

.ab-copy>p {
    color: var(--mut);
    margin-bottom: 16px;
    font-size: 1.02rem;
}

.ab-list {
    list-style: none;
    margin: 26px 0;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.ab-list li {
    display: flex;
    gap: 13px;
    align-items: flex-start;
    font-size: 0.95rem;
    color: var(--mut);
}

.ab-list svg {
    width: 20px;
    height: 20px;
    color: var(--cyan);
    flex: none;
    margin-top: 2px;
}

.ab-list b {
    color: var(--text);
}

.guarantee {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    padding: 18px 20px;
    border-radius: 12px;
    background: var(--cyan-soft);
    border: 1px solid var(--cyan-border);
    margin-top: 26px;
}

.guarantee svg {
    width: 22px;
    height: 22px;
    color: var(--cyan);
    flex: none;
    margin-top: 2px;
}

.guarantee b {
    color: var(--text);
}

.guarantee p {
    font-size: 0.9rem;
    color: var(--mut);
}

.ab-media {
    position: relative;
}

.imgbox {
    position: relative;
    display: block;
    overflow: hidden;
    border-radius: 16px;
    border: 1px solid var(--stroke);
    background: var(--glass);
    box-shadow: var(--glass-shadow);
}

.imgbox img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.ab-media .imgbox {
    aspect-ratio: 4/4.4;
}

.ab-float {
    position: absolute;
    left: -16px;
    bottom: 24px;
    padding: 12px 18px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 11px;
    font-size: 0.84rem;
    font-weight: 600;
    color: var(--text);
}

.ab-float svg {
    width: 19px;
    height: 19px;
    color: var(--cyan);
}

/* ---------- Servicios ---------- */
.services {
    padding: 90px 0 100px;
}

.srv-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.srv-card {
    position: relative;
    padding: 32px 28px;
    overflow: hidden;
    transition: transform 0.45s cubic-bezier(0.22, 0.68, 0.32, 1), border-color 0.45s, background 0.45s, box-shadow 0.45s;
}

.srv-card:hover {
    transform: translateY(-6px);
    border-color: var(--stroke-hi);
    box-shadow: 0 24px 50px -24px var(--glow1);
}

.srv-card::before {
    content: "";
    position: absolute;
    top: -60px;
    right: -60px;
    width: 160px;
    height: 160px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--cyan-soft2), transparent 70%);
    opacity: 0;
    transition: opacity 0.5s;
}

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

.srv-ico {
    width: 50px;
    height: 50px;
    border-radius: 13px;
    display: grid;
    place-items: center;
    margin-bottom: 20px;
    background: var(--glass-hi);
    border: 1px solid var(--stroke);
    box-shadow: var(--glass-shadow);
    color: var(--cyan);
    transition: transform 0.45s cubic-bezier(0.22, 0.68, 0.32, 1), background 0.45s;
}

.srv-card:hover .srv-ico {
    transform: translateY(-3px) rotate(-6deg) scale(1.06);
    background: var(--cyan-soft2);
}

.srv-ico svg {
    width: 24px;
    height: 24px;
}

.srv-card h3 {
    font-size: 1.16rem;
    margin-bottom: 10px;
}

.srv-card p {
    font-size: 0.9rem;
    color: var(--mut);
    line-height: 1.6;
}

.srv-card .tags {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    margin-top: 16px;
}

.srv-card .tags span {
    font-family: ui-monospace, Consolas, monospace;
    font-size: 0.7rem;
    padding: 4px 11px;
    border-radius: 99px;
    border: 1px solid var(--stroke);
    color: var(--mut);
    background: var(--glass);
    transition: border-color 0.3s, color 0.3s;
}

.srv-card:hover .tags span {
    border-color: var(--cyan-border);
    color: var(--cyan);
}

/* ================= CALCULADORA OPTICA TELCO ================= */
.calc-section {
    padding: 90px 0;
    position: relative;
    z-index: 2;
}

.calc-panel {
    background: var(--panel);
    -webkit-backdrop-filter: blur(24px) saturate(190%);
    backdrop-filter: blur(24px) saturate(190%);
    border: 1px solid var(--stroke-hi);
    border-radius: 20px;
    padding: clamp(24px, 4vw, 44px);
    box-shadow: var(--panel-shadow);
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 36px;
    align-items: center;
}

.calc-inputs {
    display: flex;
    flex-direction: column;
    gap: 22px;
}

.calc-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.calc-group label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text);
}

.calc-group label span {
    color: var(--cyan);
    font-family: ui-monospace, Consolas, monospace;
    font-weight: 700;
}

.calc-range {
    width: 100%;
    accent-color: var(--cyan);
    height: 8px;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.15);
    cursor: pointer;
}

.calc-selects {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
    align-items: end;
}

.calc-panel .select-wrap {
    position: relative;
    width: 100%;
}

.calc-panel .select-wrap select {
    width: 100%;
    background: var(--input-bg);
    border: 1px solid var(--field-line);
    color: var(--text);
    padding: 12px 16px;
    padding-right: 42px;
    border-radius: 12px;
    font-family: inherit;
    font-size: 0.92rem;
    font-weight: 500;
    -webkit-appearance: none;
    appearance: none;
    cursor: pointer;
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.04);
    transition: border-color 0.25s cubic-bezier(0.22, 0.68, 0.32, 1), background 0.25s, box-shadow 0.25s;
}

.calc-panel .select-wrap select:hover {
    border-color: var(--stroke-hi);
}

.calc-panel .select-wrap select:focus {
    outline: none;
    border-color: var(--stroke-hi);
    background: var(--input-focus-bg);
    box-shadow: 0 0 0 4px var(--input-focus-ring);
}

.calc-card-result {
    background: var(--glass);
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
    border: 1px solid var(--stroke);
    border-radius: 18px;
    padding: 28px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 14px;
    box-shadow: var(--glass-shadow);
    transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
}

.calc-card-result:hover {
    border-color: var(--stroke-hi);
    box-shadow: var(--glass-shadow-lg);
}

.calc-big-loss {
    font-size: clamp(2.4rem, 5vw, 3.6rem);
    font-weight: 900;
    line-height: 1;
    color: var(--cyan);
    font-family: ui-monospace, Consolas, monospace;
    letter-spacing: -0.02em;
}

.calc-verdict {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.82rem;
    font-weight: 600;
    padding: 7px 16px;
    border-radius: 99px;
    background: rgba(16, 185, 129, 0.14);
    color: var(--green);
    border: 1px solid rgba(16, 185, 129, 0.32);
}

.calc-desc {
    font-size: 0.88rem;
    color: var(--mut);
    line-height: 1.5;
}

.calc-card-result .btn {
    width: 100%;
    margin-top: 4px;
}

/* ---------- Proyectos ---------- */
.projects {
    padding: 100px 0;
    border-block: 1px solid var(--stroke);
    background: var(--tint);
}

.pr-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.proj {
    overflow: hidden;
    transition: transform 0.45s cubic-bezier(0.22, 0.68, 0.32, 1), border-color 0.45s, box-shadow 0.45s;
    display: flex;
    flex-direction: column;
}

.proj:hover {
    transform: translateY(-6px);
    border-color: var(--stroke-hi);
    box-shadow: 0 24px 50px -24px var(--glow1);
}

.proj .imgbox {
    border: 0;
    border-radius: 0;
    border-bottom: 1px solid var(--stroke);
    aspect-ratio: 16/11;
    flex: none;
}

.proj-tag {
    position: absolute;
    top: 14px;
    left: 14px;
    padding: 6px 13px;
    border-radius: 99px;
    font-family: ui-monospace, Consolas, monospace;
    font-size: 0.7rem;
    letter-spacing: 0.08em;
    background: rgba(6, 15, 26, 0.78);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.18);
    color: #38BDF8;
    font-weight: 600;
}

.proj-body {
    padding: 24px 26px 26px;
}

.proj-body h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.proj-body p {
    font-size: 0.88rem;
    color: var(--mut);
    line-height: 1.5;
}

.proj-body .tags {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    margin-top: 14px;
}

.proj-body .tags span {
    font-family: ui-monospace, Consolas, monospace;
    font-size: 0.7rem;
    padding: 4px 11px;
    border-radius: 99px;
    border: 1px solid var(--stroke);
    color: var(--mut);
    background: var(--glass);
}

/* ---------- Proceso ---------- */
.process {
    padding: 100px 0;
}

.steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 26px;
    position: relative;
}

.steps::before {
    content: "";
    position: absolute;
    top: 29px;
    left: 4%;
    right: 4%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--stroke-hi), var(--cyan), var(--stroke-hi), transparent);
    background-size: 200% 100%;
    animation: flow 5s linear infinite;
    opacity: 0.7;
}

@keyframes flow {
    to {
        background-position: 200% 0;
    }
}

.step .dot {
    width: 58px;
    height: 58px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    margin-bottom: 20px;
    background: var(--dot-bg);
    border: 1px solid var(--field-line);
    font-family: ui-monospace, Consolas, monospace;
    font-size: 0.84rem;
    color: var(--cyan);
    font-weight: 700;
    position: relative;
    z-index: 1;
    box-shadow: var(--glass-shadow);
    transition: border-color 0.4s, box-shadow 0.4s, transform 0.4s cubic-bezier(0.22, 0.68, 0.32, 1);
}

.step:hover .dot {
    border-color: var(--stroke-hi);
    box-shadow: 0 0 24px -6px var(--cyan);
    transform: scale(1.08);
}

.step h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.step p {
    font-size: 0.88rem;
    color: var(--mut);
    line-height: 1.55;
}

/* ---------- Cobertura ---------- */
.coverage {
    padding: 100px 0;
    border-top: 1px solid var(--stroke);
}

.cov-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: start;
}

.cov-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.cov-chips span {
    padding: 9px 18px;
    border-radius: 99px;
    font-size: 0.86rem;
    font-weight: 600;
    background: var(--glass);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    border: 1px solid var(--stroke);
    box-shadow: var(--glass-shadow);
    color: var(--text);
    transition: transform 0.3s cubic-bezier(0.22, 0.68, 0.32, 1), color 0.3s, border-color 0.3s;
    cursor: default;
}

.cov-chips span:hover {
    transform: translateY(-3px) scale(1.04);
    color: var(--cyan);
    border-color: var(--stroke-hi);
}

.cov-note {
    margin-top: 24px;
    color: var(--mut);
    font-size: 0.95rem;
    line-height: 1.6;
}

.zonas {
    list-style: none;
}

.zonas li {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 18px;
    padding: 18px 4px;
    border-bottom: 1px solid var(--stroke);
    transition: background 0.3s, padding-left 0.3s cubic-bezier(0.22, 0.68, 0.32, 1);
}

.zonas li:first-child {
    border-top: 1px solid var(--stroke);
}

.zonas li:hover {
    background: var(--glass);
    padding-left: 12px;
}

.zonas .z {
    font-weight: 700;
    font-size: 0.92rem;
    color: var(--cyan);
    display: flex;
    align-items: center;
    gap: 9px;
}

.zonas .z i {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--cyan);
    box-shadow: 0 0 8px var(--cyan);
    animation: pulse 2.4s infinite;
}

.zonas .d {
    font-size: 0.88rem;
    color: var(--mut);
    line-height: 1.5;
}

/* ---------- Testimonios ---------- */
.voices {
    padding: 100px 0;
    border-top: 1px solid var(--stroke);
}

.v-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.v-card {
    padding: 30px 28px;
    transition: transform 0.45s cubic-bezier(0.22, 0.68, 0.32, 1), border-color 0.45s, box-shadow 0.45s;
}

.v-card:hover {
    transform: translateY(-5px);
    border-color: var(--stroke-hi);
    box-shadow: var(--glass-shadow-lg);
}

.v-card .q {
    font-size: 2.6rem;
    line-height: 1;
    font-weight: 800;
    color: var(--cyan);
    opacity: 0.9;
    margin-bottom: 8px;
    font-family: Georgia, serif;
}

.v-card p {
    font-size: 0.93rem;
    color: var(--text);
    line-height: 1.6;
}

.v-card footer {
    margin-top: 18px;
    font-size: 0.78rem;
    color: var(--mut);
}

.v-card footer b {
    color: var(--text);
    display: block;
    font-size: 0.88rem;
    font-weight: 700;
}

/* ---------- FAQ ---------- */
.faq {
    padding: 100px 0;
    border-top: 1px solid var(--stroke);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.fq {
    overflow: hidden;
    transition: border-color 0.35s, background 0.35s, box-shadow 0.35s;
}

.fq.open {
    border-color: var(--stroke-hi);
    background: var(--glass-hi);
    box-shadow: var(--glass-shadow-lg);
}

.fq-head {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    background: none;
    border: 0;
    cursor: pointer;
    text-align: left;
    padding: 22px 26px;
    font: inherit;
    color: var(--text);
    font-weight: 600;
    font-size: 1rem;
    -webkit-tap-highlight-color: transparent;
}

.fq-head .plus {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 1px solid var(--stroke);
    background: var(--glass);
    flex: none;
    display: grid;
    place-items: center;
    transition: transform 0.45s cubic-bezier(0.22, 0.68, 0.32, 1), background 0.35s, border-color 0.35s;
}

.fq-head .plus svg {
    width: 14px;
    height: 14px;
    color: var(--cyan);
}

.fq.open .plus {
    transform: rotate(135deg);
    background: var(--cyan-soft2);
    border-color: var(--stroke-hi);
}

.fq-body {
    height: 0;
    overflow: hidden;
    transition: height 0.5s cubic-bezier(0.22, 0.68, 0.32, 1);
}

.fq-body .fq-content {
    padding: 2px 70px 24px 26px;
    color: var(--mut);
    font-size: 0.93rem;
    line-height: 1.6;
}

/* ---------- Contacto & Formulario MD3 ---------- */
.contact {
    padding: 110px 0 120px;
    position: relative;
    overflow: hidden;
}

.ct-panel {
    position: relative;
    padding: clamp(38px, 5vw, 56px) clamp(20px, 4vw, 44px);
    text-align: center;
    overflow: hidden;
    background: var(--panel);
    -webkit-backdrop-filter: blur(24px) saturate(200%);
    backdrop-filter: blur(24px) saturate(200%);
    border: 1px solid var(--stroke-hi);
    border-radius: 24px;
    box-shadow: var(--panel-shadow);
}

.ct-panel::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: 24px;
    padding: 1px;
    background: conic-gradient(from var(--a), transparent 0 72%, var(--stroke-hi) 86%, transparent 100%);
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    animation: spin 9s linear infinite;
    pointer-events: none;
}

.ct-panel h2 {
    font-size: clamp(1.8rem, 4vw, 2.9rem);
}

.ct-panel>p {
    margin: 16px auto 0;
    max-width: 520px;
    color: var(--mut);
    font-size: 1.02rem;
}

.ct-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    max-width: 660px;
    margin: 38px auto 0;
    text-align: left;
}

/* Wrappers MD3 de campos */
.field-wrap {
    position: relative;
    display: flex;
    flex-direction: column;
}

.field-wrap input,
.field-wrap select,
.field-wrap textarea {
    width: 100%;
    background: var(--input-bg);
    border: 1px solid var(--field-line);
    color: var(--text);
    font-family: inherit;
    font-size: 16px; /* Evita auto-zoom en iOS Safari */
    padding: 14px 18px;
    border-radius: 14px;
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.04);
    transition: border-color 0.25s cubic-bezier(0.22, 0.68, 0.32, 1), background 0.25s, box-shadow 0.25s;
    -webkit-appearance: none;
    appearance: none;
}

.field-wrap select option,
.calc-group select option {
    background: var(--panel);
    color: var(--text);
    padding: 10px 14px;
}

.field-wrap input:focus,
.field-wrap select:focus,
.field-wrap textarea:focus {
    outline: none;
    border-color: var(--stroke-hi);
    background: var(--input-focus-bg);
    box-shadow: 0 0 0 4px var(--input-focus-ring);
}

/* Indicador de estado de campo */
.field-status {
    position: absolute;
    right: 14px;
    top: 18px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    pointer-events: none;
    transition: transform 0.3s cubic-bezier(0.22, 0.68, 0.32, 1), background 0.3s, opacity 0.3s;
    opacity: 0;
    z-index: 2;
}

/* Evitar colisión en selectores */
.select-wrap .field-status {
    right: 38px;
}

.field-wrap.is-valid input,
.field-wrap.is-valid select,
.field-wrap.is-valid textarea {
    border-color: rgba(16, 185, 129, 0.6);
}

.field-wrap.is-valid .field-status {
    opacity: 1;
    background: var(--green);
    box-shadow: 0 0 8px var(--green);
    transform: scale(1.1);
}

.field-wrap.is-invalid input,
.field-wrap.is-invalid select,
.field-wrap.is-invalid textarea {
    border-color: rgba(239, 68, 68, 0.7);
}

.field-wrap.is-invalid .field-status {
    opacity: 1;
    background: var(--red);
    box-shadow: 0 0 8px var(--red);
}

/* Select wrapper con flecha MD3 personalizada */
.select-wrap {
    position: relative;
}

.select-wrap select {
    padding-right: 42px;
    cursor: pointer;
}

.select-chevron {
    position: absolute;
    right: 18px;
    top: 50%;
    width: 8px;
    height: 8px;
    border-right: 2px solid var(--cyan);
    border-bottom: 2px solid var(--cyan);
    transform: translateY(-65%) rotate(45deg);
    pointer-events: none;
    transition: transform 0.25s, border-color 0.25s;
}

.select-wrap:hover .select-chevron {
    border-color: var(--stroke-hi);
}

/* Textarea wrapper & contador */
.area-wrap {
    grid-column: 1/-1;
}

.area-wrap textarea {
    min-height: 110px;
    resize: vertical;
}

.area-meta {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    padding: 6px 4px 0;
    font-size: 0.76rem;
    color: var(--mut2);
    font-family: ui-monospace, Consolas, monospace;
}

.char-counter {
    margin-left: auto;
    font-variant-numeric: tabular-nums;
    transition: color 0.25s;
}

.char-counter.near-limit {
    color: var(--amber);
}

.char-counter.at-limit {
    color: var(--red);
    font-weight: 700;
}

/* Tarjeta MD3 de Consentimiento de Datos */
.consent-card {
    grid-column: 1/-1;
    background: var(--glass);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    backdrop-filter: blur(16px) saturate(180%);
    border: 1px solid var(--stroke);
    border-radius: 18px;
    padding: 18px 22px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 14px 20px;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
    transition: border-color 0.3s cubic-bezier(0.22, 0.68, 0.32, 1), background 0.3s, box-shadow 0.3s, transform 0.2s;
}

.consent-card:hover {
    border-color: var(--stroke-hi);
    background: var(--glass-hi);
}

.consent-card.is-checked {
    border-color: rgba(0, 229, 255, 0.45);
    background: var(--cyan-soft);
    box-shadow: 0 0 20px -8px var(--glow1), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.md3-checkbox-label {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    cursor: pointer;
    user-select: none;
    flex: 1 1 280px;
}

.md3-checkbox-wrap {
    position: relative;
    width: 24px;
    height: 24px;
    flex: none;
}

.md3-checkbox-wrap input {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
    width: 100%;
    height: 100%;
    z-index: 3;
    margin: 0;
}

.md3-checkbox-box {
    position: absolute;
    inset: 0;
    border-radius: 7px;
    border: 2px solid var(--stroke-hi);
    background: var(--glass-hi);
    display: grid;
    place-items: center;
    box-shadow: var(--glass-shadow);
    transition: background 0.25s cubic-bezier(0.22, 0.68, 0.32, 1), border-color 0.25s, transform 0.25s cubic-bezier(0.22, 0.68, 0.32, 1), box-shadow 0.25s;
}

.md3-checkbox-label:hover .md3-checkbox-box {
    border-color: var(--cyan);
    transform: scale(1.06);
    box-shadow: 0 0 10px -2px var(--cyan);
}

.md3-checkbox-box svg {
    width: 15px;
    height: 15px;
    color: #04121C;
    opacity: 0;
    transform: scale(0.3) rotate(-10deg);
    transition: opacity 0.2s, transform 0.25s cubic-bezier(0.22, 0.68, 0.32, 1);
}

.md3-checkbox-wrap input:checked + .md3-checkbox-box {
    background: var(--cyan);
    border-color: var(--cyan);
    box-shadow: 0 0 14px var(--cyan);
    transform: scale(1);
}

.md3-checkbox-wrap input:checked + .md3-checkbox-box svg {
    opacity: 1;
    transform: scale(1) rotate(0deg);
}

.md3-checkbox-wrap input:focus-visible + .md3-checkbox-box {
    outline: 2px solid var(--cyan);
    outline-offset: 3px;
}

.consent-text {
    display: flex;
    flex-direction: column;
    gap: 3px;
    text-align: left;
}

.consent-text strong {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text);
    line-height: 1.35;
}

.consent-text small {
    font-size: 0.76rem;
    color: var(--mut);
    line-height: 1.3;
}

.policy-chip-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    font-weight: 600;
    padding: 8px 16px;
    border-radius: 99px;
    background: var(--glass-hi);
    color: var(--cyan);
    border: 1px solid var(--cyan-border);
    cursor: pointer;
    font-family: inherit;
    flex: none;
    box-shadow: var(--glass-shadow);
    transition: transform 0.25s cubic-bezier(0.22, 0.68, 0.32, 1), background 0.25s, border-color 0.25s, color 0.25s, box-shadow 0.25s;
    -webkit-tap-highlight-color: transparent;
}

.policy-chip-btn svg {
    width: 15px;
    height: 15px;
    flex: none;
    color: var(--cyan);
    transition: transform 0.25s;
}

.policy-chip-btn:hover {
    background: var(--cyan-soft2);
    border-color: var(--stroke-hi);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px -6px var(--cyan);
}

.policy-chip-btn:hover svg {
    transform: scale(1.15);
}

.policy-chip-btn:focus-visible {
    outline: 2px solid var(--cyan);
    outline-offset: 2px;
}

/* Action button wrap & valid/disabled states */
.form-action-wrap {
    grid-column: 1/-1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    margin-top: 6px;
}

.form-action-wrap .btn {
    width: 100%;
    justify-content: center;
    padding: 16px;
    transition: transform 0.3s cubic-bezier(0.22, 0.68, 0.32, 1), box-shadow 0.3s, opacity 0.3s, filter 0.3s;
}

.form-action-wrap .btn:disabled {
    opacity: 0.42;
    cursor: not-allowed;
    filter: grayscale(0.5);
    box-shadow: none !important;
    transform: none !important;
}

.form-action-wrap .btn.btn-ready:not(.loading) {
    animation: readyPulse 2.8s ease-in-out infinite;
}

@keyframes readyPulse {
    0%, 100% {
        box-shadow: var(--btn-shadow);
    }
    50% {
        box-shadow: var(--btn-shadow-hi), 0 0 20px rgba(0, 229, 255, 0.4);
    }
}

.form-feedback-hint {
    font-size: 0.78rem;
    color: var(--mut2);
    text-align: center;
    transition: color 0.25s;
}

.form-feedback-hint.is-ready {
    color: var(--green);
    font-weight: 600;
}

/* ---------- Footer ---------- */
footer.site {
    border-top: 1px solid var(--stroke);
    padding: 56px 0 34px;
    background: var(--tint);
}

.f-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 32px;
    padding-bottom: 30px;
    border-bottom: 1px solid var(--stroke);
}

.f-brand {
    font-weight: 800;
    font-size: 1.25rem;
    color: var(--text);
}

.f-brand b {
    color: var(--cyan);
}

.f-grid p {
    font-size: 0.88rem;
    color: var(--mut);
    margin-top: 10px;
    max-width: 320px;
    line-height: 1.6;
}

.f-col {
    font-size: 0.88rem;
    line-height: 2.1;
    color: var(--mut);
}

.f-col a {
    text-decoration: none;
    transition: color 0.25s, padding-left 0.25s;
}

.f-col a:hover {
    color: var(--cyan);
    padding-left: 4px;
}

.f-legal {
    padding-top: 24px;
    font-size: 0.76rem;
    color: var(--mut2);
    display: flex;
    flex-wrap: wrap;
    gap: 8px 22px;
    align-items: center;
}

.f-legal button {
    background: none;
    border: 0;
    color: var(--mut2);
    font: inherit;
    cursor: pointer;
    text-decoration: underline;
    text-underline-offset: 3px;
    transition: color 0.25s;
    padding: 0;
}

.f-legal button:hover {
    color: var(--cyan);
}

/* ---------- WhatsApp Flotante ---------- */
.wa-float {
    position: fixed;
    right: 22px;
    bottom: 22px;
    z-index: 150;
    width: 58px;
    height: 58px;
    border-radius: 50%;
    background: var(--green);
    display: grid;
    place-items: center;
    text-decoration: none;
    box-shadow: var(--wa-shadow);
    transition: transform 0.35s cubic-bezier(0.22, 0.68, 0.32, 1), box-shadow 0.35s;
}

.wa-float:hover {
    transform: scale(1.1) rotate(6deg);
    box-shadow: var(--wa-shadow-hi);
}

.wa-float::before {
    content: "";
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 2px solid rgba(16, 185, 129, 0.5);
    animation: ripple 2.4s ease-out infinite;
}

@keyframes ripple {
    from {
        transform: scale(0.85);
        opacity: 1;
    }
    to {
        transform: scale(1.5);
        opacity: 0;
    }
}

.wa-float svg {
    width: 28px;
    height: 28px;
    color: #fff;
}

/* ---------- Toast ---------- */
.toast {
    position: fixed;
    left: 50%;
    bottom: 28px;
    transform: translate(-50%, 20px);
    z-index: 350;
    display: flex;
    align-items: center;
    gap: 11px;
    padding: 14px 22px;
    border-radius: 14px;
    background: var(--panel);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--stroke-hi);
    font-size: 0.9rem;
    color: var(--text);
    box-shadow: var(--panel-shadow);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s cubic-bezier(0.22, 0.68, 0.32, 1), transform 0.4s cubic-bezier(0.22, 0.68, 0.32, 1);
    max-width: min(92vw, 460px);
}

.toast.show {
    opacity: 1;
    transform: translate(-50%, 0);
}

.toast svg {
    width: 20px;
    height: 20px;
    color: var(--green);
    flex: none;
}

/* ---------- Modales ---------- */
.modal {
    position: fixed;
    inset: 0;
    z-index: 300;
    display: grid;
    place-items: center;
    padding: 22px;
}

.modal[hidden] {
    display: none;
}

.modal-back {
    position: absolute;
    inset: 0;
    background: var(--panel-back);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
    animation: fadeIn 0.3s cubic-bezier(0.22, 0.68, 0.32, 1);
}

.modal-panel {
    position: relative;
    max-width: 620px;
    width: 100%;
    max-height: 84vh;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding: 38px 36px;
    background: var(--panel);
    -webkit-backdrop-filter: blur(24px) saturate(190%);
    backdrop-filter: blur(24px) saturate(190%);
    border: 1px solid var(--stroke-hi);
    box-shadow: var(--panel-shadow);
    border-radius: 20px;
    animation: popIn 0.35s cubic-bezier(0.22, 0.68, 0.32, 1);
}

.modal-panel.md3-modal {
    border-radius: 28px;
    padding: 40px 34px;
    max-width: 660px;
}

.modal-icon-badge {
    width: 52px;
    height: 52px;
    border-radius: 16px;
    background: var(--cyan-soft2);
    border: 1px solid var(--cyan-border);
    color: var(--cyan);
    display: grid;
    place-items: center;
    margin-bottom: 18px;
    box-shadow: 0 0 20px -6px var(--cyan);
}

.modal-icon-badge svg {
    width: 24px;
    height: 24px;
}

.modal-card-block {
    background: var(--glass);
    border: 1px solid var(--stroke);
    border-radius: 14px;
    padding: 14px 18px;
    margin: 12px 0;
    text-align: left;
    transition: border-color 0.25s, background 0.25s;
}

.modal-card-block:hover {
    border-color: var(--stroke-hi);
    background: var(--glass-hi);
}

.modal-card-block h4 {
    font-size: 0.95rem;
    margin: 0 0 6px;
    color: var(--cyan);
    font-weight: 700;
}

.modal-card-block p {
    font-size: 0.88rem;
    color: var(--mut);
    margin: 0;
    line-height: 1.55;
}

.modal-footer-actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    margin-top: 24px;
}

@keyframes popIn {
    from {
        opacity: 0;
        transform: translateY(16px) scale(0.97);
    }
    to {
        opacity: 1;
        transform: none;
    }
}

.modal-panel h3 {
    font-size: 1.35rem;
    margin-bottom: 6px;
}

.modal-panel .m-date {
    font-family: ui-monospace, Consolas, monospace;
    font-size: 0.72rem;
    color: var(--mut2);
    margin-bottom: 18px;
}

.modal-panel h4 {
    font-size: 0.98rem;
    margin: 20px 0 6px;
    color: var(--cyan);
}

.modal-panel p {
    font-size: 0.9rem;
    color: var(--mut);
    line-height: 1.6;
}

.modal-x {
    position: absolute;
    top: 18px;
    right: 18px;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 1px solid var(--stroke);
    background: var(--glass);
    color: var(--mut);
    display: grid;
    place-items: center;
    cursor: pointer;
    transition: color 0.25s, border-color 0.25s, transform 0.3s;
}

.modal-x:hover {
    color: var(--text);
    border-color: var(--stroke-hi);
    transform: rotate(90deg);
}

.modal-x svg {
    width: 14px;
    height: 14px;
}

/* ---------- Cookie banner ---------- */
.cookiebar {
    position: fixed;
    left: 20px;
    bottom: 20px;
    z-index: 320;
    max-width: 420px;
    padding: 22px 24px;
    background: var(--panel);
    -webkit-backdrop-filter: blur(24px) saturate(190%);
    backdrop-filter: blur(24px) saturate(190%);
    border: 1px solid var(--stroke-hi);
    border-radius: 18px;
    animation: popIn 0.45s cubic-bezier(0.22, 0.68, 0.32, 1);
    box-shadow: var(--panel-shadow);
}

.cookiebar p {
    font-size: 0.86rem;
    color: var(--mut);
    line-height: 1.5;
}

.cookiebar .ck-more {
    background: none;
    border: 0;
    padding: 0;
    font: inherit;
    font-size: 0.8rem;
    color: var(--cyan);
    cursor: pointer;
    text-decoration: underline;
    text-underline-offset: 3px;
    margin-top: 8px;
}

.cookiebar>div {
    display: flex;
    gap: 10px;
    margin-top: 14px;
}

/* ---------- Reveal ---------- */
.reveal {
    opacity: 0;
    transform: translateY(26px);
    transition: opacity 0.8s cubic-bezier(0.22, 0.68, 0.32, 1), transform 0.8s cubic-bezier(0.22, 0.68, 0.32, 1);
    transition-delay: var(--d, 0s);
}

.reveal.in {
    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;
    }

    .reveal,
    .fx {
        opacity: 1;
        transform: none;
    }

    .hero h1 .line span {
        transform: none;
    }
}

/* ================= RESPONSIVE Y ANTI-DEFORMACIÓN MÓVIL ================= */

@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 44px;
    }

    .hero-sub {
        max-width: none;
    }

    .otdr {
        max-width: 640px;
        margin-inline: auto;
    }

    .srv-grid {
        grid-template-columns: 1fr 1fr;
    }

    .pr-grid {
        grid-template-columns: 1fr 1fr;
    }

    .steps {
        grid-template-columns: 1fr 1fr;
        gap: 32px 20px;
    }

    .steps::before {
        display: none;
    }

    .ab-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .ab-media {
        max-width: 520px;
    }
}

@media (max-width: 960px) {
    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }

    .v-grid {
        grid-template-columns: 1fr;
        max-width: 560px;
        margin-inline: auto;
    }

    .cov-grid {
        grid-template-columns: 1fr;
        gap: 36px;
    }

    .calc-panel {
        grid-template-columns: 1fr;
    }

    .scroll-hint {
        display: none;
    }
}

@media (max-width: 640px) {
    .h-inner {
        padding: 12px 14px 8px;
        gap: 2px;
    }

    .brand-name {
        font-size: 1.05rem;
    }

    .brand-name small {
        display: none;
    }

    .brand .logo-slot {
        width: 38px;
        height: 38px;
    }

    .main-nav {
        padding: 0 8px;
    }

    .main-nav a {
        font-size: 0.78rem;
        padding: 8px 10px;
    }

    .nav-cta {
        padding: 8px 14px;
        font-size: 0.78rem;
    }

    .theme-toggle {
        width: 36px;
        height: 36px;
    }

    .theme-toggle svg {
        width: 17px;
        height: 17px;
    }

    .srv-grid,
    .pr-grid,
    .steps {
        grid-template-columns: 1fr;
    }

    .calc-selects {
        grid-template-columns: 1fr;
    }

    .ct-form {
        grid-template-columns: 1fr;
    }

    .ct-form input,
    .ct-form select,
    .ct-form textarea {
        grid-column: 1/-1;
    }

    .ct-panel {
        padding: 36px 20px;
    }

    .fq-head {
        padding: 18px 20px;
        font-size: 0.94rem;
    }

    .fq-body .fq-content {
        padding: 2px 20px 20px;
    }

    .stats {
        padding: 60px 0;
    }

    .stats-grid {
        gap: 14px;
    }

    .stat {
        padding: 22px 18px;
    }

    .hero {
        padding: 128px 0 60px;
    }

    .hero-badge {
        font-size: 0.7rem;
        padding: 6px 12px;
        gap: 7px;
    }

    .hero-actions {
        flex-direction: column;
        width: 100%;
    }

    .hero-actions .btn {
        width: 100%;
    }

    .about,
    .services,
    .projects,
    .process,
    .coverage,
    .voices,
    .faq {
        padding-block: 68px;
    }

    .contact {
        padding: 70px 0 80px;
    }

    .wa-float {
        right: 16px;
        bottom: 16px;
        width: 52px;
        height: 52px;
    }

    .cookiebar {
        left: 12px;
        right: 12px;
        bottom: 76px;
        max-width: none;
    }

    .modal {
        padding: 14px;
    }

    .modal-panel {
        padding: 30px 20px;
    }

    .ab-float {
        left: 8px;
        bottom: 8px;
        padding: 8px 12px;
        font-size: 0.76rem;
    }

    .zonas li {
        grid-template-columns: 1fr;
        gap: 6px;
    }

    .consent-card {
        padding: 16px;
        flex-direction: column;
        align-items: stretch;
        gap: 14px;
    }

    .policy-chip-btn {
        width: 100%;
        justify-content: center;
        padding: 10px 14px;
    }
}

@media (max-width: 440px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .sec-head {
        margin-bottom: 36px;
    }

    .f-grid {
        flex-direction: column;
        gap: 24px;
    }

    .ct-panel {
        padding: 30px 16px;
    }

    .consent-card {
        padding: 14px;
    }
}