/* ============================================================
   LSystem — Landing v3
   Brand: #00416a → #0077b6 → #00b4d8
   Type:  M PLUS Code Latin (display) + Inter (UI)
   ============================================================ */

:root {
    --brand:        #00416a;
    --brand-2:      #0077b6;
    --cyan:         #00b4d8;
    --brand-ink:    #02334f;

    --ink:          #0a1f33;
    --ink-2:        #2b3e52;
    --muted:        #5b6b7c;
    --muted-2:      #8895a3;
    --line:         #e3e9f0;
    --bg:           #f6f9fc;
    --bg-tint:      #eef4fa;
    --surface:      #ffffff;

    --grad:         linear-gradient(135deg, #00416a 0%, #0077b6 60%, #00b4d8 100%);
    --grad-cyan:    linear-gradient(135deg, #00b4d8 0%, #48cae4 100%);
    --grad-soft:    linear-gradient(135deg, rgba(0,65,106,.08), rgba(0,180,216,.10));

    --shadow:       0 4px 12px rgba(10,31,51,.08), 0 2px 4px rgba(10,31,51,.04);
    --shadow-lg:    0 18px 40px rgba(10,31,51,.12), 0 6px 14px rgba(10,31,51,.06);
    --shadow-brand: 0 10px 28px rgba(0,65,106,.22);

    --r-sm: 8px;
    --r:    12px;
    --r-lg: 18px;
    --r-xl: 24px;

    --mono: 'M PLUS Code Latin', ui-monospace, SFMono-Regular, Menlo, monospace;
    --sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;

    --ease: cubic-bezier(.2,.7,.2,1);
    --t:    .25s;

    --nav-h: 72px;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: var(--sans);
    font-size: 16px;
    line-height: 1.55;
    color: var(--ink);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
img, svg { display: block; max-width: 100%; height: auto; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
a { color: var(--brand-2); text-decoration: none; transition: color var(--t) var(--ease); }
a:hover { color: var(--brand); }
ul, ol { margin: 0; padding: 0; list-style: none; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 2px; border-radius: 4px; }

/* Layout helpers */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 32px;
}

.eyebrow {
    font-family: var(--mono);
    font-size: 13px;
    font-weight: 500;
    letter-spacing: .12em;
    color: var(--brand-2);
    text-transform: uppercase;
    margin: 0 0 16px;
}
.eyebrow--light { color: var(--cyan); }

.section-title {
    font-family: var(--mono);
    font-size: clamp(28px, 4vw, 44px);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -.01em;
    color: var(--ink);
    margin: 0 0 16px;
}
.section-title span { display: inline; }
.section-title--light { color: #fff; }
.section-lead {
    font-size: 17px;
    line-height: 1.6;
    color: var(--muted);
    max-width: 64ch;
    margin: 0;
}
.section-lead--light { color: rgba(255,255,255,.78); }

.section-head { margin-bottom: 56px; }
.section-head--center { text-align: center; max-width: 720px; margin-inline: auto; margin-bottom: 64px; }
.section-head--center .section-lead { margin-inline: auto; }

.grad {
    background: var(--grad);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    white-space: nowrap;
}
.grad-cyan {
    background: var(--grad-cyan);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.brace { color: var(--cyan); font-family: var(--mono); font-weight: 500; }
.semi  { color: var(--brand-2); font-family: var(--mono); }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 24px;
    border-radius: 10px;
    font-family: var(--mono);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: .02em;
    cursor: pointer;
    border: 1px solid transparent;
    transition: background-color var(--t) var(--ease), border-color var(--t) var(--ease), color var(--t) var(--ease), box-shadow var(--t) var(--ease), transform var(--t) var(--ease);
    line-height: 1;
    min-height: 46px;
}
.btn--primary {
    background: var(--grad);
    color: #fff;
    box-shadow: var(--shadow-brand);
}
.btn--primary:hover {
    box-shadow: 0 14px 36px rgba(0,65,106,.32);
    transform: translateY(-1px);
    color: #fff;
}
.btn--ghost {
    background: var(--surface);
    color: var(--brand);
    border-color: var(--line);
}
.btn--ghost:hover { border-color: var(--brand-2); color: var(--brand-2); }
.btn--sm { padding: 9px 16px; min-height: 38px; font-size: 13px; }
.btn--block { width: 100%; }

/* ============================================================
   NAV
   ============================================================ */
.nav {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255,255,255,.78);
    backdrop-filter: saturate(180%) blur(14px);
    -webkit-backdrop-filter: saturate(180%) blur(14px);
    border-bottom: 1px solid transparent;
    transition: border-color var(--t) var(--ease), background-color var(--t) var(--ease);
}
.nav.is-scrolled {
    border-bottom-color: var(--line);
    background: rgba(255,255,255,.92);
}
.nav__wrap {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 32px;
    height: var(--nav-h);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}
.nav__logo img { height: 38px; width: auto; }
.nav__links {
    display: flex;
    align-items: center;
    gap: 4px;
}
.nav__links a {
    display: inline-flex;
    align-items: center;
    height: 38px;
    padding: 0 14px;
    border-radius: 999px;
    font-family: var(--mono);
    font-size: 13px;
    font-weight: 500;
    letter-spacing: .04em;
    color: var(--ink-2);
    transition: background-color var(--t) var(--ease), color var(--t) var(--ease);
}
.nav__links a:hover { background: var(--bg-tint); color: var(--brand); }

.nav__cta { display: flex; align-items: center; gap: 12px; }
.lang {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 10px;
    border-radius: 999px;
    background: var(--bg-tint);
    font-family: var(--mono);
    font-size: 12px;
    font-weight: 600;
    color: var(--ink-2);
    letter-spacing: .04em;
    transition: background-color var(--t) var(--ease);
}
.lang:hover { background: var(--line); }
.lang__flag { padding: 2px 4px; border-radius: 4px; }
.lang__sep { color: var(--muted-2); }
[data-lang="es"] .lang__flag:first-child { background: var(--brand); color: #fff; }
[data-lang="en"] .lang__flag--alt        { background: var(--brand); color: #fff; }

.nav__burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
}
.nav__burger span {
    width: 22px; height: 2px; background: var(--brand);
    border-radius: 2px;
    transition: transform var(--t) var(--ease), opacity var(--t) var(--ease);
}
.nav__burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
    position: relative;
    overflow: hidden;
    padding: 96px 0 80px;
    border-bottom: 1px solid var(--line);
}
.hero__bg { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.hero__blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: .55;
    will-change: transform;
}
.hero__blob--1 {
    width: 540px; height: 540px;
    top: -120px; right: -120px;
    background: radial-gradient(closest-side, rgba(0,180,216,.55), transparent 70%);
    animation: blob 16s ease-in-out infinite;
}
.hero__blob--2 {
    width: 460px; height: 460px;
    bottom: -160px; left: -120px;
    background: radial-gradient(closest-side, rgba(0,119,182,.45), transparent 70%);
    animation: blob 18s ease-in-out infinite reverse;
}
@keyframes blob {
    0%, 100% { transform: translate(0,0) scale(1); }
    50%      { transform: translate(40px,-30px) scale(1.08); }
}
.hero__grid {
    position: absolute; inset: 0;
    background-image:
        linear-gradient(rgba(0,65,106,.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,65,106,.05) 1px, transparent 1px);
    background-size: 44px 44px;
    mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, #000 30%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, #000 30%, transparent 75%);
}
.hero__inner {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 920px;
}
.hero__title {
    font-family: var(--mono);
    font-size: clamp(40px, 6vw, 72px);
    font-weight: 700;
    line-height: 1.04;
    letter-spacing: -.015em;
    color: var(--ink);
    margin: 0 0 22px;
}
.hero__title > span { display: block; }
.hero__brace { display: block; }
.hero__accent {
    background: var(--grad);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.hero__lead {
    font-size: 18px;
    line-height: 1.65;
    color: var(--muted);
    max-width: 64ch;
    margin: 0 auto 32px;
}
.hero__ctas {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 28px;
}
.hero__meta {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 16px;
    background: rgba(255,255,255,.7);
    border: 1px solid var(--line);
    border-radius: 999px;
    font-family: var(--mono);
    font-size: 12.5px;
    color: var(--muted);
    letter-spacing: .03em;
}
.dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: #15c47a;
    box-shadow: 0 0 0 4px rgba(21,196,122,.18);
    animation: pulse 2.4s var(--ease) infinite;
}
@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 4px rgba(21,196,122,.18); }
    50%      { box-shadow: 0 0 0 8px rgba(21,196,122,.05); }
}

/* ============================================================
   STATS
   ============================================================ */
.stats { background: #fff; border-bottom: 1px solid var(--line); }
.stats__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
}
.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 36px 16px;
    border-right: 1px solid var(--line);
}
.stat:last-child { border-right: 0; }
.stat__num {
    font-family: var(--mono);
    font-weight: 700;
    font-size: clamp(32px, 4vw, 48px);
    color: var(--brand);
    line-height: 1;
    margin-bottom: 8px;
    letter-spacing: -.02em;
}
.stat__plus, .stat__sep { color: var(--cyan); }
.stat__label {
    font-size: 12.5px;
    color: var(--muted);
    letter-spacing: .12em;
    text-transform: uppercase;
}

/* ============================================================
   TRUST / LOGOS
   ============================================================ */
.trust {
    padding: 56px 0 64px;
    background: var(--bg-tint);
    border-bottom: 1px solid var(--line);
    position: relative;
    overflow: hidden;
}
.trust__caption {
    text-align: center;
    font-family: var(--mono);
    font-size: 12px;
    letter-spacing: .2em;
    color: var(--muted);
    text-transform: uppercase;
    margin: 0 0 28px;
}
.trust__marquee {
    position: relative;
    overflow: hidden;
    mask-image: linear-gradient(90deg, transparent 0, #000 8%, #000 92%, transparent 100%);
    -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 8%, #000 92%, transparent 100%);
}
.trust__track {
    display: flex;
    gap: 56px;
    align-items: center;
    width: max-content;
    animation: marquee 40s linear infinite;
}
.trust__track img {
    height: 42px; width: auto;
    opacity: .65;
    filter: grayscale(1);
    transition: opacity var(--t) var(--ease), filter var(--t) var(--ease);
}
.trust__track img:hover { opacity: 1; filter: grayscale(0); }
@keyframes marquee {
    from { transform: translateX(0); }
    to   { transform: translateX(-50%); }
}

/* ============================================================
   SERVICES
   ============================================================ */
.services { padding: 96px 0; background: #fff; }
.svc-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.svc {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--r-lg);
    padding: 28px 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    transition: border-color var(--t) var(--ease), box-shadow var(--t) var(--ease), transform var(--t) var(--ease);
    position: relative;
    overflow: hidden;
}
.svc::before {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--grad);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--t) var(--ease);
}
.svc:hover {
    border-color: rgba(0,119,182,.4);
    box-shadow: var(--shadow);
    transform: translateY(-3px);
}
.svc:hover::before { transform: scaleX(1); }
.svc__icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: grid;
    place-items: center;
    background: var(--grad-soft);
    color: var(--brand);
    margin-bottom: 12px;
}
.svc__icon svg { width: 24px; height: 24px; }
.svc__h {
    font-family: var(--mono);
    font-size: 17px;
    font-weight: 700;
    color: var(--ink);
    margin: 0 0 4px;
    letter-spacing: -.01em;
}
.svc__d {
    font-size: 14.5px;
    line-height: 1.6;
    color: var(--muted);
    margin: 0 0 12px;
}
.svc__list {
    margin-top: auto;
    padding-top: 14px;
    border-top: 1px dashed var(--line);
}
.svc__list li {
    position: relative;
    padding: 6px 0 6px 22px;
    font-size: 13.5px;
    color: var(--ink-2);
}
.svc__list li::before {
    content: "";
    position: absolute;
    left: 0; top: 12px;
    width: 12px; height: 8px;
    border-left: 2px solid var(--brand-2);
    border-bottom: 2px solid var(--brand-2);
    transform: rotate(-45deg);
}

/* ============================================================
   PROCESS
   ============================================================ */
.process {
    background:
        radial-gradient(900px 360px at 50% 0%, rgba(0,180,216,.18), transparent 70%),
        linear-gradient(180deg, var(--brand-ink) 0%, var(--brand) 100%);
    color: #fff;
    padding: 96px 0;
}
.proc-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
    max-width: 1100px;
    margin: 0 auto;
    counter-reset: proc;
}
.proc {
    background: rgba(255,255,255,.04);
    border: 1px solid rgba(255,255,255,.10);
    border-radius: var(--r-lg);
    padding: 26px 26px 24px;
    backdrop-filter: blur(6px);
    transition: background-color var(--t) var(--ease), border-color var(--t) var(--ease), transform var(--t) var(--ease);
    position: relative;
}
.proc:hover {
    background: rgba(255,255,255,.07);
    border-color: rgba(0,180,216,.4);
    transform: translateY(-2px);
}
.proc__num {
    font-family: var(--mono);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .12em;
    color: var(--cyan);
    display: inline-block;
    padding: 4px 10px;
    border: 1px solid rgba(0,180,216,.4);
    border-radius: 999px;
    margin-bottom: 14px;
}
.proc__h {
    font-family: var(--mono);
    font-size: 17px;
    font-weight: 700;
    color: #fff;
    margin: 0 0 8px;
    letter-spacing: -.01em;
}
.proc__d {
    font-size: 14.5px;
    line-height: 1.65;
    color: rgba(255,255,255,.72);
    margin: 0;
}

/* ============================================================
   WHY US
   ============================================================ */
.why { padding: 96px 0; background: var(--bg); }
.why-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.why {
    padding: 28px 22px;
    border-radius: var(--r-lg);
    background: #fff;
    border: 1px solid var(--line);
    transition: border-color var(--t) var(--ease), box-shadow var(--t) var(--ease), transform var(--t) var(--ease);
}
.why:hover { border-color: rgba(0,119,182,.4); box-shadow: var(--shadow); transform: translateY(-2px); }
.why__icon {
    width: 44px; height: 44px;
    border-radius: 10px;
    display: grid; place-items: center;
    background: var(--grad-soft);
    color: var(--brand);
    margin-bottom: 16px;
}
.why__icon svg { width: 22px; height: 22px; }
.why__h {
    font-family: var(--mono);
    font-size: 15.5px;
    font-weight: 700;
    color: var(--ink);
    margin: 0 0 8px;
    letter-spacing: -.01em;
    line-height: 1.3;
}
.why__d {
    font-size: 14px;
    line-height: 1.6;
    color: var(--muted);
    margin: 0;
}

/* ============================================================
   ABOUT
   ============================================================ */
.about { padding: 96px 0; background: #fff; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.about__inner {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 56px;
    align-items: start;
}
.about__p {
    color: var(--ink-2);
    font-size: 15.5px;
    line-height: 1.75;
    margin: 0 0 18px;
}
.about__p:last-of-type { margin-bottom: 28px; }

.about__card {
    background: var(--bg-tint);
    border: 1px solid var(--line);
    border-radius: var(--r-lg);
    padding: 28px;
    position: sticky;
    top: calc(var(--nav-h) + 24px);
}
.about__card-h {
    font-family: var(--mono);
    font-size: 18px;
    font-weight: 700;
    color: var(--brand);
    margin: 0 0 18px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--line);
}
.about__card-h::after { content: ";"; color: var(--cyan); margin-left: 2px; }
.about__dl { display: grid; gap: 14px; }
.about__dl > div { display: flex; justify-content: space-between; gap: 16px; }
.about__dl dt {
    font-family: var(--mono);
    font-size: 12px;
    color: var(--muted);
    letter-spacing: .08em;
    text-transform: uppercase;
    margin: 0;
}
.about__dl dd {
    margin: 0;
    font-size: 14px;
    color: var(--ink);
    text-align: right;
    font-weight: 500;
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact {
    padding: 96px 0;
    background:
        radial-gradient(800px 320px at 80% 0%, rgba(0,180,216,.18), transparent 70%),
        linear-gradient(180deg, var(--brand-ink) 0%, #021e30 100%);
    color: #fff;
}
.contact__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: start;
}
.contact__lead {
    color: rgba(255,255,255,.78);
    font-size: 16px;
    line-height: 1.6;
    margin: 0 0 28px;
    max-width: 50ch;
}
.contact__list { display: flex; flex-direction: column; gap: 14px; }
.contact__list li {
    display: flex;
    align-items: center;
    gap: 14px;
    color: rgba(255,255,255,.86);
    font-size: 15px;
}
.contact__list a { color: #fff; }
.contact__list a:hover { color: var(--cyan); }
.contact__icon {
    width: 38px; height: 38px;
    border-radius: 10px;
    display: grid; place-items: center;
    background: rgba(0,180,216,.12);
    border: 1px solid rgba(0,180,216,.25);
    color: var(--cyan);
    flex-shrink: 0;
}
.contact__icon--wa {
    background: rgba(37,211,102,.14);
    border-color: rgba(37,211,102,.32);
    color: #25d366;
}
.contact__wa-row { align-items: flex-start; }
.contact__wa {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
    gap: 2px;
    color: #fff;
}
.contact__wa:hover .contact__wa-num { color: #25d366; }
.contact__wa-num { font-size: 15px; font-weight: 600; transition: color var(--t) var(--ease); }
.contact__wa-sub {
    font-family: var(--mono);
    font-size: 11.5px;
    letter-spacing: .06em;
    color: rgba(255,255,255,.55);
    text-transform: uppercase;
}

/* ============================================================
   AI elements (hero chip, nav link, dedicated section)
   ============================================================ */

/* Hero chips wrapper */
.hero__chips {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: center;
}

/* AI variant of hero meta chip */
.hero__meta--ai {
    background: linear-gradient(135deg, rgba(0,180,216,.16), rgba(99,102,241,.16));
    border-color: rgba(0,180,216,.4);
    color: var(--brand);
    font-weight: 600;
}
.ai-spark {
    display: inline-grid;
    place-items: center;
    width: 18px; height: 18px;
    color: var(--brand-2);
    animation: ai-spin 6s linear infinite;
}
@keyframes ai-spin {
    to { transform: rotate(360deg); }
}

/* Nav AI link */
.nav-ai {
    background: linear-gradient(135deg, rgba(0,180,216,.12), rgba(99,102,241,.12));
    color: var(--brand) !important;
    font-weight: 700 !important;
    letter-spacing: .08em !important;
}
.nav-ai:hover { background: linear-gradient(135deg, rgba(0,180,216,.22), rgba(99,102,241,.22)) !important; }
.nav-ai__dot {
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--cyan);
    margin-right: 6px;
    box-shadow: 0 0 0 3px rgba(0,180,216,.25);
    animation: ai-pulse 2.4s var(--ease) infinite;
}
@keyframes ai-pulse {
    0%, 100% { box-shadow: 0 0 0 3px rgba(0,180,216,.25); }
    50%      { box-shadow: 0 0 0 6px rgba(0,180,216,.05); }
}

/* AI section */
.ai {
    position: relative;
    overflow: hidden;
    padding: 96px 0;
    background:
        linear-gradient(180deg, #051a2b 0%, #061727 100%);
    color: #fff;
    border-top: 1px solid rgba(0,180,216,.18);
    border-bottom: 1px solid rgba(0,180,216,.18);
}
.ai__bg { position: absolute; inset: 0; pointer-events: none; }
.ai__grid {
    position: absolute; inset: 0;
    background-image:
        linear-gradient(rgba(0,180,216,.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,180,216,.06) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, #000 30%, transparent 80%);
    -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, #000 30%, transparent 80%);
}
.ai__halo {
    position: absolute;
    width: 700px; height: 700px;
    top: -200px; left: 50%;
    transform: translateX(-50%);
    background: radial-gradient(closest-side, rgba(0,180,216,.30), rgba(99,102,241,.18) 40%, transparent 75%);
    filter: blur(40px);
}
.ai__inner { position: relative; z-index: 1; }

.ai-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
    margin-bottom: 28px;
}
.ai-card {
    position: relative;
    padding: 28px 26px 26px;
    background: rgba(255,255,255,.04);
    border: 1px solid rgba(0,180,216,.18);
    border-radius: var(--r-lg);
    backdrop-filter: blur(8px);
    overflow: hidden;
    transition: border-color var(--t) var(--ease), background-color var(--t) var(--ease), transform var(--t) var(--ease), box-shadow var(--t) var(--ease);
}
.ai-card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0,180,216,.08), rgba(99,102,241,.04) 40%, transparent 70%);
    opacity: 0;
    transition: opacity var(--t) var(--ease);
}
.ai-card:hover {
    border-color: rgba(0,180,216,.5);
    background: rgba(255,255,255,.06);
    transform: translateY(-3px);
    box-shadow: 0 18px 36px rgba(0,180,216,.12);
}
.ai-card:hover::before { opacity: 1; }
.ai-card > * { position: relative; z-index: 1; }

.ai-card__kpi {
    display: inline-block;
    font-family: var(--mono);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .08em;
    color: var(--cyan);
    background: rgba(0,180,216,.10);
    border: 1px solid rgba(0,180,216,.30);
    padding: 4px 10px;
    border-radius: 999px;
    margin-bottom: 16px;
}
.ai-card__h {
    font-family: var(--mono);
    font-size: 17px;
    font-weight: 700;
    color: #fff;
    margin: 0 0 8px;
    letter-spacing: -.01em;
    line-height: 1.25;
}
.ai-card__d {
    font-size: 14.5px;
    line-height: 1.65;
    color: rgba(255,255,255,.72);
    margin: 0;
}
.ai-card__corner {
    position: absolute;
    top: 14px; right: 16px;
    font-family: var(--mono);
    font-size: 11px;
    font-weight: 600;
    color: rgba(0,180,216,.45);
    letter-spacing: .04em;
}

.ai__note {
    text-align: center;
    margin: 32px 0 0;
    font-family: var(--mono);
    font-size: 13px;
    letter-spacing: .04em;
    color: rgba(255,255,255,.55);
}

@media (max-width: 1080px) {
    .ai-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 540px) {
    .ai-grid { grid-template-columns: 1fr; }
    .ai { padding: 64px 0; }
}
@media (prefers-reduced-motion: reduce) {
    .ai-spark, .nav-ai__dot { animation: none; }
}

/* WhatsApp floating button */
.wa-fab {
    position: fixed;
    right: 20px;
    bottom: 20px;
    z-index: 60;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: #25d366;
    color: #fff;
    display: grid;
    place-items: center;
    box-shadow: 0 10px 24px rgba(37,211,102,.45), 0 4px 10px rgba(0,0,0,.18);
    transition: transform var(--t) var(--ease), box-shadow var(--t) var(--ease), background-color var(--t) var(--ease);
}
.wa-fab:hover {
    background: #1faa53;
    color: #fff;
    transform: translateY(-2px) scale(1.04);
    box-shadow: 0 14px 30px rgba(37,211,102,.55), 0 6px 14px rgba(0,0,0,.22);
}
.wa-fab:active { transform: translateY(0) scale(1); }
.wa-fab__pulse {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 2px solid rgba(37,211,102,.6);
    animation: wa-pulse 2.2s var(--ease) infinite;
    pointer-events: none;
}
@keyframes wa-pulse {
    0%   { transform: scale(1);   opacity: .7; }
    80%  { transform: scale(1.6); opacity: 0; }
    100% { transform: scale(1.6); opacity: 0; }
}
@media (max-width: 540px) {
    .wa-fab { right: 14px; bottom: 14px; width: 54px; height: 54px; }
    .wa-fab svg { width: 26px; height: 26px; }
}
@media (prefers-reduced-motion: reduce) {
    .wa-fab__pulse { animation: none; }
}

.form {
    background: rgba(255,255,255,.04);
    border: 1px solid rgba(255,255,255,.10);
    border-radius: var(--r-lg);
    padding: 32px;
    backdrop-filter: blur(6px);
}
.hp { position: absolute !important; left: -9999px !important; width: 1px !important; height: 1px !important; opacity: 0 !important; }
.field { position: relative; margin-bottom: 18px; }
.field input, .field textarea {
    width: 100%;
    padding: 18px 14px 8px;
    background: rgba(0,0,0,.18);
    border: 1px solid rgba(255,255,255,.12);
    border-radius: var(--r);
    color: #fff;
    font-size: 15px;
    line-height: 1.4;
    font-family: inherit;
    transition: border-color var(--t) var(--ease), box-shadow var(--t) var(--ease), background-color var(--t) var(--ease);
    resize: vertical;
}
.field textarea { padding-top: 24px; min-height: 120px; }
.field input:focus, .field textarea:focus {
    outline: none;
    border-color: var(--cyan);
    background: rgba(0,0,0,.30);
    box-shadow: 0 0 0 3px rgba(0,180,216,.20);
}
.field label {
    position: absolute;
    left: 14px;
    top: 16px;
    color: rgba(255,255,255,.55);
    font-size: 14px;
    pointer-events: none;
    transition: transform var(--t) var(--ease), color var(--t) var(--ease), font-size var(--t) var(--ease);
    background: transparent;
    padding: 0 4px;
}
.field input:focus ~ label,
.field input:not(:placeholder-shown) ~ label,
.field textarea:focus ~ label,
.field textarea:not(:placeholder-shown) ~ label {
    transform: translateY(-22px);
    font-size: 11px;
    color: var(--cyan);
    letter-spacing: .06em;
    text-transform: uppercase;
    font-weight: 600;
}
.form__status { margin: 14px 0 0; font-size: 14px; min-height: 1.4em; }
.form__status.ok  { color: #6ee7b7; }
.form__status.err { color: #fca5a5; }
.form__fineprint {
    margin: 14px 0 0;
    font-size: 12px;
    color: rgba(255,255,255,.55);
    line-height: 1.5;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
    background: #051826;
    color: rgba(255,255,255,.72);
    padding: 72px 0 24px;
}
.footer__grid {
    display: grid;
    grid-template-columns: 1.4fr repeat(3, 1fr);
    gap: 40px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer__brand img {
    height: 36px; width: auto;
    margin-bottom: 14px;
    filter: brightness(0) invert(1);
    opacity: .92;
}
.footer__brand p {
    margin: 0;
    font-size: 14px;
    line-height: 1.65;
    max-width: 38ch;
}
.footer h4 {
    font-family: var(--mono);
    font-size: 13px;
    font-weight: 700;
    color: #fff;
    letter-spacing: .08em;
    text-transform: uppercase;
    margin: 0 0 16px;
}
.footer ul { display: flex; flex-direction: column; gap: 10px; }
.footer ul a, .footer ul li {
    font-size: 14px;
    color: rgba(255,255,255,.66);
}
.footer ul a:hover { color: var(--cyan); }
.footer__bar {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px 32px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 13px;
    color: rgba(255,255,255,.5);
}
.footer__brace {
    font-family: var(--mono);
    font-weight: 600;
    color: var(--cyan);
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
    .trust__track, .hero__blob { animation: none; }
    .dot { animation: none; }
    *, *::before, *::after { transition-duration: .01ms !important; }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1080px) {
    .svc-grid { grid-template-columns: repeat(2, 1fr); }
    .why-grid { grid-template-columns: repeat(2, 1fr); }
    .footer__grid { grid-template-columns: 1.2fr 1fr 1fr; }
    .footer__brand { grid-column: 1 / -1; }
}

@media (max-width: 880px) {
    :root { --nav-h: 64px; }
    .container, .nav__wrap { padding: 0 20px; }

    .nav__links {
        position: fixed;
        top: var(--nav-h); left: 0; right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
        padding: 18px 20px 22px;
        background: rgba(255,255,255,.96);
        backdrop-filter: blur(14px);
        border-bottom: 1px solid var(--line);
        transform: translateY(-110%);
        opacity: 0;
        pointer-events: none;
        transition: transform var(--t) var(--ease), opacity var(--t) var(--ease);
    }
    .nav__links.is-open { transform: translateY(0); opacity: 1; pointer-events: auto; }
    .nav__links a { height: 44px; justify-content: flex-start; }
    .nav__burger { display: flex; }

    .hero { padding: 64px 0 56px; }
    .stats__grid { grid-template-columns: repeat(2, 1fr); }
    .stat:nth-child(2) { border-right: 0; }
    .stat:nth-child(1), .stat:nth-child(2) { border-bottom: 1px solid var(--line); }

    .services, .process, .why, .about, .contact { padding: 64px 0; }
    .proc-list { grid-template-columns: 1fr; }
    .about__inner, .contact__inner { grid-template-columns: 1fr; gap: 36px; }
    .about__card { position: static; }

    .footer__grid { grid-template-columns: 1fr 1fr; }
    .footer__brand { grid-column: 1 / -1; }
    .footer__bar { padding: 24px 20px 0; }
}

@media (max-width: 540px) {
    .svc-grid, .why-grid { grid-template-columns: 1fr; }
    .stats__grid { grid-template-columns: 1fr 1fr; }
    .footer__grid { grid-template-columns: 1fr; }
    .hero__title { font-size: clamp(34px, 9vw, 48px); }
    .nav__cta .btn--sm { display: none; }
}