:root {
    --c-bg-deep: #050b1a;
    --c-bg: #0a1428;
    --c-bg-2: #0f1c38;
    --c-surface: #13223f;
    --c-surface-2: #1a2d52;
    --c-border: rgba(110, 198, 255, 0.12);

    --c-accent: #0a84ff;
    --c-accent-2: #6ec6ff;
    --c-accent-glow: rgba(10, 132, 255, 0.45);
    --c-accent-soft: rgba(110, 198, 255, 0.12);

    --c-text: #eaf2ff;
    --c-text-dim: #a9c3e0;
    --c-text-mute: #6b85a8;

    --c-white: #ffffff;
    --c-whatsapp: #25d366;
    --c-whatsapp-dark: #128c7e;

    --font-body: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    --font-head: 'Sora', var(--font-body);

    --container: 1200px;
    --container-pad: clamp(1rem, 4vw, 2rem);
    --radius-sm: 8px;
    --radius: 14px;
    --radius-lg: 22px;
    --radius-xl: 32px;

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow: 0 10px 40px rgba(0, 0, 0, 0.35);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px var(--c-accent-glow);

    --ease: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --t-fast: 0.18s var(--ease);
    --t: 0.3s var(--ease);
    --t-slow: 0.6s var(--ease-out);

    --header-h: 76px;

    --c-header-bg: rgba(5, 11, 26, 0.6);
    --c-header-bg-scrolled: rgba(5, 11, 26, 0.92);

    --c-overlay-strong: rgba(5, 11, 26, 0.95);
    --c-overlay-mid: rgba(5, 11, 26, 0.5);
    --c-wave-1: #0a84ff;
    --c-wave-2: #6ec6ff;
    --c-wave-3: #13223f;
}

body[data-theme="light"] {
    --c-bg-deep: #f4f7fb;
    --c-bg: #ffffff;
    --c-bg-2: #eef3fa;
    --c-surface: #ffffff;
    --c-surface-2: #f0f4fa;
    --c-border: rgba(10, 132, 255, 0.14);

    --c-accent: #0a6ed6;
    --c-accent-2: #0a84ff;
    --c-accent-glow: rgba(10, 132, 255, 0.25);
    --c-accent-soft: rgba(10, 132, 255, 0.08);

    --c-text: #0a1428;
    --c-text-dim: #3d5577;
    --c-text-mute: #7689a8;

    --c-header-bg: rgba(255, 255, 255, 0.72);
    --c-header-bg-scrolled: rgba(255, 255, 255, 0.92);

    --c-overlay-strong: rgba(255, 255, 255, 0.95);
    --c-overlay-mid: rgba(255, 255, 255, 0.6);
    --c-wave-1: #6ec6ff;
    --c-wave-2: #0a84ff;
    --c-wave-3: #c8d9ee;

    --shadow-sm: 0 2px 8px rgba(10, 30, 70, 0.06);
    --shadow: 0 10px 40px rgba(10, 30, 70, 0.10);
    --shadow-lg: 0 20px 60px rgba(10, 30, 70, 0.14);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
::-webkit-scrollbar { width: 0; background: transparent; }
html { scrollbar-width: none; -ms-overflow-style: none; }
html.has-intro { overflow: hidden; }
body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.65;
    color: var(--c-text);
    background: var(--c-bg-deep);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    min-height: 100vh;
}
img, svg, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; transition: color var(--t-fast); }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
ul, ol { list-style: none; }
input, textarea, select, button { font: inherit; color: inherit; }
h1, h2, h3, h4, h5 { font-family: var(--font-head); font-weight: 700; line-height: 1.15; letter-spacing: -0.02em; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 var(--container-pad); }

.skip-link {
    position: absolute; left: -9999px; top: 0; z-index: 9999;
    background: var(--c-accent); color: #fff; padding: 0.5rem 1rem; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

.is-hidden-until-intro {
    opacity: 0; visibility: hidden;
    transform: scale(1.06);
    filter: blur(12px) brightness(0.6);
}
body.intro-done .is-hidden-until-intro {
    opacity: 1; visibility: visible;

    transform: none;
    filter: none;
    transition: opacity 0.9s var(--ease-out, cubic-bezier(0.16,1,0.3,1)),
                transform 1.1s var(--ease-out, cubic-bezier(0.16,1,0.3,1)),
                filter 0.8s ease;
}

.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 0.55rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius);
    font-weight: 600; font-size: 0.95rem; letter-spacing: 0.01em;
    cursor: pointer;
    transition: transform var(--t-fast), box-shadow var(--t-fast), background var(--t-fast), color var(--t-fast);
    white-space: nowrap; text-align: center;
    position: relative; overflow: hidden;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn--sm { padding: 0.5rem 1.1rem; font-size: 0.875rem; }
.btn--lg { padding: 0.95rem 2rem; font-size: 1rem; }
.btn--block { width: 100%; }
.btn--primary {
    background: linear-gradient(135deg, var(--c-accent) 0%, #0064d6 100%);
    color: #fff;
    box-shadow: 0 4px 18px var(--c-accent-glow);
}
.btn--primary:hover { box-shadow: 0 8px 30px var(--c-accent-glow); }
.btn--ghost {
    background: var(--c-accent-soft);
    color: var(--c-text);
    border: 1px solid var(--c-border);
}
.btn--ghost:hover { background: rgba(110, 198, 255, 0.12); border-color: var(--c-accent-2); }
.btn--ghost-light { background: rgba(255,255,255,0.08); color: #fff; border: 1px solid rgba(255,255,255,0.2); }
.btn--whatsapp {
    background: linear-gradient(135deg, var(--c-whatsapp) 0%, var(--c-whatsapp-dark) 100%);
    color: #fff;
    box-shadow: 0 4px 18px rgba(37, 211, 102, 0.35);
}
.btn__spinner[hidden] { display: none; }
.btn__spinner:not([hidden]) { display: inline-flex; }


.site-header {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    height: var(--header-h);
    background: var(--c-header-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid transparent;
    transition:
        background 0.45s var(--ease, ease),
        border-color 0.45s var(--ease, ease),
        box-shadow 0.45s var(--ease, ease),
        padding 0.5s var(--ease-out, cubic-bezier(0.16,1,0.3,1)),
        width 0.55s var(--ease-out, cubic-bezier(0.16,1,0.3,1)),
        max-width 0.55s var(--ease-out, cubic-bezier(0.16,1,0.3,1)),
        left 0.55s var(--ease-out, cubic-bezier(0.16,1,0.3,1)),
        right 0.55s var(--ease-out, cubic-bezier(0.16,1,0.3,1)),
        top 0.55s var(--ease-out, cubic-bezier(0.16,1,0.3,1)),
        transform 0.55s var(--ease-out, cubic-bezier(0.16,1,0.3,1)),
        border-radius 0.55s var(--ease-out, cubic-bezier(0.16,1,0.3,1));
    will-change: transform, width;
}
.site-header.is-scrolled {
    background: var(--c-header-bg-scrolled);
    border-bottom-color: var(--c-border);
    box-shadow: 0 4px 28px rgba(0,0,0,0.10);
}
.site-header.is-pill {
    top: 0.6rem;
    left: 15%;
    right: 15%;
    border-radius: 16px;
    border: 1px solid var(--c-border);
    box-shadow: 0 10px 40px rgba(0,0,0,0.22);
    background: var(--c-header-bg-scrolled);
    backdrop-filter: blur(24px) saturate(200%);
    -webkit-backdrop-filter: blur(24px) saturate(200%);
}
.site-header.is-pill .header-inner { padding: 0 0.8rem; }
.site-header.is-pill .nav-link { padding: 7px 11px; font-size: 0.88rem; }
.site-header.is-pill .header-brand__logo { height: 38px; }
.site-header.is-pill .main-nav--left { padding-right: 0.6rem; }
.site-header.is-pill .main-nav--right { padding-left: 0.6rem; }
.site-header.is-pill .icon-btn { width: 36px; height: 36px; }
.site-header.is-pill .lang-flag-img { width: 22px; height: 15px; }

@media (max-width: 992px) {
    .site-header.is-pill {
        top: 0; left: 0; right: 0;
        border-radius: 0; border: none;
    }
    .site-header.is-pill .nav-link { padding: 9px 14px; font-size: 0.94rem; }
    .site-header.is-pill .header-brand__logo { height: 44px; }
}

.header-inner {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    height: 100%; gap: 0;
    position: relative;
}
.main-nav--left {
    justify-content: flex-end; padding-right: 1rem;
    min-width: 0;
}
.header-brand {
    justify-self: center;
    z-index: 2;
}
.header-right {
    display: flex; align-items: center; gap: 0.4rem;
    justify-content: flex-start; padding-left: 1rem;
    min-width: 0;
}
.header-right .main-nav--right { padding-left: 0; }
.header-actions { margin-left: 0; flex-shrink: 0; }
.main-nav { display: flex; min-width: 0; }
.nav-list { display: flex; gap: 0.15rem; }
.nav-link {
    padding: 9px 14px;
    font-size: 0.94rem;
    font-weight: 500;
    color: var(--c-text-dim);
    border-radius: 8px;
    position: relative;
    transition: color 0.3s cubic-bezier(0.4,0,0.2,1), background 0.3s cubic-bezier(0.4,0,0.2,1);
    white-space: nowrap;
}
.nav-link:hover {
    color: var(--c-text);
    background: var(--c-accent-soft);
}
.nav-link.is-active { color: var(--c-accent-2); }

.header-brand {
    flex-shrink: 0;
    display: flex; align-items: center; justify-content: center;
    transition: transform 0.3s var(--ease, ease);
    min-width: 0;
}
.header-brand:hover { transform: scale(1.04); }
.header-brand__logo {
    height: 44px; width: auto;
    transition: height 0.5s var(--ease, ease);
}

.header-actions { display: flex; align-items: center; gap: 0.4rem; flex-shrink: 0; }

.icon-btn {
    width: 40px; height: 40px;
    display: inline-flex; align-items: center; justify-content: center;
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: 10px;
    color: var(--c-text-dim);
    cursor: pointer;
    transition: transform 0.3s var(--ease, ease), border-color 0.3s, color 0.3s, background 0.3s;
}
.icon-btn:hover {
    transform: translateY(-2px);
    border-color: var(--c-accent-2);
    color: var(--c-accent-2);
}
.icon-btn:active { transform: translateY(0); }

.lang-flag-img {
    width: 24px; height: 16px;
    object-fit: cover;
    border-radius: 3px;
    display: block;
}
.lang-flag-img--sm { width: 22px; height: 15px; }

.lang-flag-btn .lang-flag-img {
    width: 20px; height: 14px;
    object-fit: cover;
    border-radius: 3px;
    display: block;
}
.site-header.is-pill .lang-flag-btn .lang-flag-img {
    width: 18px; height: 12px;
}

.lang-switch { position: relative; }
.lang-switch__menu {
    position: absolute; top: calc(100% + 10px); right: 0;
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    padding: 0.4rem;
    opacity: 0; visibility: hidden; transform: translateY(-8px) scale(0.96);
    transition: opacity 0.25s var(--ease, ease), transform 0.25s var(--ease, ease), visibility 0.25s;
    z-index: 200;
    min-width: 170px;
}
.lang-switch.is-open .lang-switch__menu { opacity: 1; visibility: visible; transform: translateY(0) scale(1); }
.lang-flag-link {
    display: flex; align-items: center; gap: 0.7rem;
    padding: 0.55rem 0.7rem;
    border-radius: 8px;
    color: var(--c-text-dim);
    font-size: 0.9rem; font-weight: 500;
    transition: background 0.2s, color 0.2s;
}
.lang-flag-link:hover { background: var(--c-accent-soft); color: var(--c-text); }
.lang-flag-link.is-active {
    color: #fff;
    background: linear-gradient(120deg, var(--c-accent), var(--c-accent-2));
}
.lang-flag-link.is-active .lang-flag-img--sm { box-shadow: 0 0 0 2px rgba(255,255,255,0.5); }
.lang-flag-name { flex: 1; }

.theme-toggle__sun, .theme-toggle__moon {
    position: absolute;
    transition: opacity 0.3s var(--ease, ease), transform 0.3s var(--ease, ease);
}
body[data-theme="light"] .theme-toggle__sun { opacity: 1; transform: rotate(0) scale(1); }
body[data-theme="light"] .theme-toggle__moon { opacity: 0; transform: rotate(-90deg) scale(0.5); }
body:not([data-theme="light"]) .theme-toggle__sun { opacity: 0; transform: rotate(90deg) scale(0.5); }
body:not([data-theme="light"]) .theme-toggle__moon { opacity: 1; transform: rotate(0) scale(1); }
.theme-toggle { position: relative; overflow: hidden; }

.nav-toggle {
    display: none !important;
    width: 40px; height: 40px;
    background: none; border: none; color: var(--c-text);
    cursor: pointer;
}
.nav-toggle[hidden] { display: none !important; }
@media (max-width: 992px) {
    .main-nav { display: none !important; }
    .nav-toggle {
        display: inline-flex !important; flex-direction: column;
        align-items: center; justify-content: center; gap: 5px;
    }
    .nav-toggle[hidden] { display: none !important; }
    .nav-toggle span {
        display: block; width: 20px; height: 2px;
        background: currentColor; border-radius: 2px;
        transition: transform 0.3s var(--ease, ease), opacity 0.3s;
    }
    .nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .nav-toggle.is-open span:nth-child(2) { opacity: 0; }
    .nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}

.mobile-menu {
    display: none !important;
}
@media (max-width: 992px) {
    .mobile-menu {
        display: flex !important;
        position: fixed; top: var(--header-h); left: 0; right: 0; bottom: 0;
        background: var(--c-bg-deep);
        z-index: 99;
        transform: translateX(100%);
        transition: transform var(--t);
        flex-direction: column;
        padding: 2rem var(--container-pad);
        overflow-y: auto;
    }
    .mobile-menu.is-open { transform: translateX(0); }
}
.mobile-menu__list { display: flex; flex-direction: column; gap: 0.2rem; flex: 1; }
.mobile-menu__list a {
    padding: 1rem 0.5rem; font-size: 1.15rem; font-family: var(--font-head); font-weight: 600;
    border-bottom: 1px solid var(--c-border); color: var(--c-text-dim);
}
.mobile-menu__list a:hover, .mobile-menu__list a:focus { color: var(--c-accent-2); }
.mobile-menu__cta { display: flex; flex-direction: column; gap: 0.7rem; margin-top: 1.5rem; }
[data-reveal] {
    opacity: 0; transform: translateY(30px);
    transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
    will-change: opacity, transform;
}
[data-reveal].is-revealed { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
    [data-reveal] { opacity: 1; transform: none; transition: none; }
    * { scroll-behavior: auto !important; }
}

.float-stack {
    position: fixed; bottom: 1.2rem; right: 1.2rem; z-index: 90;
    display: flex; flex-direction: column; align-items: center; gap: 0.5rem;
}
.float-whatsapp {
    position: relative;
    width: 54px; height: 54px; border-radius: 50%;
    background: linear-gradient(135deg, var(--c-whatsapp), var(--c-whatsapp-dark));
    color: #fff; flex-shrink: 0;
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 6px 24px rgba(37, 211, 102, 0.5);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.float-whatsapp:hover { transform: scale(1.08); box-shadow: 0 8px 30px rgba(37, 211, 102, 0.7); }
.float-whatsapp__badge {
    position: absolute; top: 0; right: 0;
    width: 14px; height: 14px; background: #ff3b3b; border-radius: 50%;
    border: 2px solid var(--c-bg-deep);
    animation: pulse 2s infinite;
}
@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(255, 59, 59, 0.6); }
    50% { box-shadow: 0 0 0 8px rgba(255, 59, 59, 0); }
}
.back-to-top {
    width: 46px; height: 46px; border-radius: 50%;
    background: var(--c-surface); border: 1px solid var(--c-border);
    color: var(--c-text); flex-shrink: 0;
    display: flex; align-items: center; justify-content: center;
    max-height: 46px; overflow: hidden;
    opacity: 1; margin-top: 0;
    transition: opacity 0.4s cubic-bezier(0.16,1,0.3,1), max-height 0.4s cubic-bezier(0.16,1,0.3,1), margin-top 0.4s cubic-bezier(0.16,1,0.3,1), transform 0.3s ease, border-color 0.3s, background 0.3s;
    cursor: pointer;
}
.back-to-top:not(.is-visible) {
    opacity: 0; max-height: 0; margin-top: -0.5rem; pointer-events: none;
}
.back-to-top.is-visible {
    opacity: 1; max-height: 46px; margin-top: 0;
}
.back-to-top:hover { background: var(--c-accent); border-color: var(--c-accent); color: #fff; transform: scale(1.05); }

body.has-intro:not(.intro-done) #main { visibility: hidden; }
main { padding-top: var(--header-h); }

.m-controls {
    position: fixed; right: 1.2rem; z-index: 89;
    display: none;
    flex-direction: column; align-items: center; gap: 0.6rem;
    bottom: 1.2rem;
    opacity: 0; transform: translateY(20px) scale(0.8);
    transition: opacity 0.4s var(--ease, ease), transform 0.4s var(--ease, ease);
    pointer-events: none;
}
.m-controls.is-visible {
    opacity: 1; transform: translateY(0) scale(1);
    pointer-events: auto;
}
.m-controls__btn {
    width: 46px; height: 46px; border-radius: 50%;
    background: var(--c-surface); border: 1px solid var(--c-border);
    color: var(--c-text-dim);
    box-shadow: var(--shadow);
    display: inline-flex; align-items: center; justify-content: center;
    cursor: pointer; position: relative; overflow: hidden;
    transition: transform 0.3s var(--ease, ease), border-color 0.3s, color 0.3s, box-shadow 0.3s;
}
.m-controls__btn:hover { transform: scale(1.1); border-color: var(--c-accent-2); color: var(--c-accent-2); }
.m-controls .theme-toggle__sun, .m-controls .theme-toggle__moon { position: absolute; transition: opacity 0.3s, transform 0.3s; }

.m-lang-menu {
    position: fixed; z-index: 95;
    bottom: 9.5rem; right: 1.2rem;
    background: var(--c-surface); border: 1px solid var(--c-border);
    border-radius: var(--radius); box-shadow: var(--shadow-lg);
    padding: 0.4rem; min-width: 150px;
    display: flex; flex-direction: column; gap: 0.2rem;
    opacity: 0; transform: translateY(10px) scale(0.96); pointer-events: none;
    transition: opacity 0.25s var(--ease, ease), transform 0.25s var(--ease, ease);
}
.m-lang-menu.is-open { opacity: 1; transform: translateY(0) scale(1); pointer-events: auto; }
.m-lang-item {
    display: flex; align-items: center; gap: 0.6rem;
    padding: 0.55rem 0.7rem; border-radius: 8px;
    color: var(--c-text-dim); font-size: 0.9rem; font-weight: 500;
    transition: background 0.2s, color 0.2s;
}
.m-lang-item:hover { background: var(--c-accent-soft); color: var(--c-text); }
.m-lang-item.is-active { color: #fff; background: linear-gradient(120deg, var(--c-accent), var(--c-accent-2)); }

@media (max-width: 992px) {
    .header-actions .theme-toggle,
    .header-actions .lang-switch { display: none !important; }
    .m-controls { display: flex; }
}
@media (min-width: 993px) {
    .m-controls { display: none !important; }
    .m-lang-menu { display: none !important; }
}