/* =============================================================
   Cambio Capital — Main Stylesheet
   ============================================================= */

/* ---------- Design Tokens ---------- */
:root {
    --c-navy: #0e1e3d;
    --c-navy-deep: #0a1630;
    --c-navy-soft: #283752;
    --c-ice: #ebf1fe;
    --c-ice-line: #dce6fa;
    --c-white: #ffffff;
    --c-text: #0e1e3d;
    --c-muted: #6b7590;
    --c-muted-light: #aab3c7;

    --font-display: "Poppins", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    --font-sans:    "Poppins", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

    --container: 960px;
    --gutter: 24px;
    --radius: 0;
    --radius-lg: 0;
    --shadow: 0 8px 40px rgba(14, 30, 61, 0.08);

    --space-1: 0.5rem;
    --space-2: 1rem;
    --space-3: 1.5rem;
    --space-4: 2rem;
    --space-5: 3rem;
    --space-6: 4rem;
    --space-7: 5.5rem;

    --header-h: 72px;
}

/* ---------- Reset ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--c-text);
    background: var(--c-white);
    -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 500;
    line-height: 1.15;
    margin: 0 0 .5em;
    letter-spacing: -0.01em;
}

p { margin: 0 0 1em; }

a {
    color: inherit;
    text-decoration: none;
    transition: color .2s ease, opacity .2s ease;
}

a:hover { opacity: .8; }

ul, ol { margin: 0; padding: 0; list-style: none; }

button {
    font: inherit;
    border: 0;
    background: transparent;
    cursor: pointer;
    color: inherit;
}

.container {
    max-width: var(--container);
    margin-inline: auto;
    padding-inline: var(--gutter);
}

/* Skip-link a11y */
.sr-only {
    position: absolute !important;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0, 0, 0, 0);
    border: 0;
}


/* ============================================================
   Header / Navigation
   ============================================================ */
.site-header {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 50;
    height: var(--header-h);
    display: flex;
    align-items: center;
    transition: background-color .3s ease, backdrop-filter .3s ease, box-shadow .3s ease;
}

.site-header.is-scrolled {
    background: rgba(14, 30, 61, 0.92);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06);
}

.nav-container {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
}

.logo {
    display: inline-flex;
    align-items: center;
    color: var(--c-white);
}

.logo img {
    height: 28px;
    width: auto;
    display: block;
}

.site-nav,
.nav-toggle {
    display: none !important;
}

.site-nav ul {
    display: flex;
    gap: clamp(1rem, 2vw, 2.25rem);
}

.site-nav a {
    color: var(--c-white);
    font-size: .88rem;
    font-weight: 400;
    letter-spacing: .04em;
    padding: .5rem 0;
    position: relative;
}

.site-nav a::after {
    content: "";
    position: absolute;
    left: 0; right: 0; bottom: 0;
    height: 1px;
    background: currentColor;
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform .25s ease;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after { transform: scaleX(1); }

/* Mobile toggle */
.nav-toggle {
    display: none;
    width: 40px; height: 40px;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    color: var(--c-white);
}

.nav-toggle span {
    width: 22px; height: 2px;
    background: currentColor;
    transition: transform .25s ease, opacity .2s ease;
    transform-origin: center;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-nav {
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    background: var(--c-navy);
    padding: var(--space-3) var(--gutter);
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    max-height: 0;
    overflow: hidden;
    transition: max-height .3s ease;
    z-index: 49;
}

.mobile-nav[data-open="true"] { max-height: 480px; }

.mobile-nav ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.mobile-nav a {
    display: block;
    padding: .75rem 0;
    color: var(--c-white);
    font-size: 1rem;
    letter-spacing: .04em;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}


/* ============================================================
   Hero
   ============================================================ */
.hero {
    position: relative;
    min-height: min(92vh, 820px);
    display: flex;
    align-items: center;
    color: var(--c-white);
    overflow: hidden;
    padding-top: var(--header-h);
}

.hero-bg {
    position: absolute;
    inset: 0;
    background-image: url("assets/hero-bg.jpg");
    background-size: cover;
    background-position: center right;
    transform: scale(1.02);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(90deg,
            rgba(14, 30, 61, 0.88) 0%,
            rgba(14, 30, 61, 0.88) 50%,
            transparent 50%,
            transparent 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    width: 100%;
    padding-block: var(--space-6);
}

.hero-kicker {
    font-size: .82rem;
    letter-spacing: .08em;
    font-weight: 400;
    opacity: .85;
    margin: 0 0 var(--space-2);
}

.hero-title {
    font-size: clamp(1.8rem, 4vw, 3rem);
    font-weight: 400;
    letter-spacing: -0.01em;
    line-height: 1.15;
    margin: 0;
    max-width: 14ch;
}


/* ============================================================
   Section base
   ============================================================ */
.section {
    padding-block: clamp(var(--space-6), 9vw, var(--space-7));
}

.section-light {
    background: var(--c-white);
    color: var(--c-text);
}

.section-dark {
    background: var(--c-navy);
    color: var(--c-white);
}

.section-head {
    text-align: center;
    max-width: 720px;
    margin: 0 auto var(--space-6);
}

.section-head h2 {
    font-size: clamp(1.75rem, 3.2vw, 2.5rem);
    font-weight: 400;
}

.section-intro,
.relations-intro {
    color: inherit;
    opacity: .78;
    font-size: 1rem;
    line-height: 1.7;
}

.section-dark .section-intro { color: var(--c-muted-light); opacity: 1; }

.section-partners,
.section-services { background: var(--c-navy-soft); }


/* ============================================================
   Feature grid (About) — dark section, left-aligned columns
   ============================================================ */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: clamp(var(--space-3), 3vw, var(--space-5));
    text-align: left;
}

.feature-icon {
    width: 72px;
    height: 72px;
    margin: 0 0 var(--space-3);
}

.feature h3 {
    font-size: 1.05rem;
    font-weight: 600;
    letter-spacing: 0;
    margin-bottom: var(--space-2);
    color: var(--c-white);
}

.feature p {
    color: var(--c-muted-light);
    font-size: .9rem;
    line-height: 1.6;
    margin: 0;
}


/* ============================================================
   Partners grid
   ============================================================ */
.partners-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-3);
}

.partner-card {
    background: var(--c-white);
    color: var(--c-text);
    border-radius: var(--radius-lg);
    padding: var(--space-4) var(--space-3);
    text-align: center;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .4rem;
}

.partner-avatar {
    width: 96px;
    height: 96px;
    border-radius: 50%;
    background: var(--c-ice);
    margin-bottom: .8rem;
}

.partner-card h3 {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--c-navy);
    margin: 0;
}

.partner-role {
    color: var(--c-muted);
    font-size: .85rem;
    margin: 0;
}

.partner-bio {
    color: var(--c-muted);
    font-size: .88rem;
    line-height: 1.6;
    margin: .5rem 0 1rem;
}

.partner-tags {
    display: flex;
    flex-direction: column;
    gap: .5rem;
    width: 100%;
    max-width: 220px;
    margin-top: auto;
}

.tag {
    display: inline-block;
    padding: .55rem 1.2rem;
    border-radius: 999px;
    font-size: .82rem;
    font-weight: 500;
    letter-spacing: .02em;
    text-align: center;
    background: var(--c-navy);
    color: var(--c-white);
}


/* ============================================================
   Relations (stat + numbered list)
   ============================================================ */
.relations-grid {
    display: grid;
    grid-template-columns: minmax(240px, 320px) 1fr;
    gap: clamp(var(--space-4), 5vw, var(--space-6));
    align-items: stretch;
}

.relations-visual {
    overflow: hidden;
}

.relations-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.relations-content h3 {
    font-size: 1.4rem;
    font-family: var(--font-sans);
    font-weight: 600;
    margin-bottom: .8rem;
}

.numbered-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4) var(--space-5);
    margin-top: var(--space-4);
}

.numbered-list li {
    display: flex;
    gap: var(--space-2);
    align-items: flex-start;
}

.numbered-list .num {
    font-weight: 600;
    font-size: .85rem;
    color: var(--c-navy);
    letter-spacing: .04em;
    flex: none;
    line-height: 1.5;
}

.numbered-list p {
    color: var(--c-muted);
    font-size: .85rem;
    line-height: 1.5;
    margin: 0;
    max-width: 22ch;
}

.numbered-list strong {
    color: var(--c-text);
    font-weight: 600;
}


/* ============================================================
   Card stack (Opportunities)
   ============================================================ */
.card-stack {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.info-card {
    background: var(--c-white);
    color: var(--c-text);
    box-shadow: var(--shadow);
    display: grid;
    grid-template-columns: 1fr minmax(200px, 300px);
    gap: 0;
    min-height: 360px;
    padding: clamp(var(--space-4), 3vw, var(--space-5));
}

.info-card-reverse { grid-template-columns: minmax(200px, 300px) 1fr; }

.info-card-body {
    padding: var(--space-3);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.info-card-body h3 {
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: 1.25rem;
    margin-bottom: .5rem;
}

.info-card-body .muted {
    color: var(--c-muted);
    font-size: .92rem;
    margin-bottom: var(--space-3);
}

.info-card-media {
    min-height: 220px;
    overflow: hidden;
}

.info-card-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}


/* ============================================================
   Check list
   ============================================================ */
.check-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.check-list li {
    position: relative;
    padding-left: 2.1rem;
    color: var(--c-muted);
    font-size: .94rem;
    line-height: 1.55;
}

.check-list li strong {
    color: var(--c-text);
    font-weight: 600;
}

.check-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: .2rem;
    width: 20px;
    height: 20px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230e1e3d' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='4 12 10 18 20 6'/%3E%3C/svg%3E");
    background-size: contain;
    background-repeat: no-repeat;
}


/* ============================================================
   Services grid
   ============================================================ */
.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-5);
}

.service-card {
    background: var(--c-white);
    color: var(--c-text);
    border-radius: var(--radius-lg);
    padding: clamp(var(--space-4), 3vw, var(--space-5));
    box-shadow: var(--shadow);
    text-align: center;
}

img.service-icon {
    width: 120px;
    height: 120px;
    margin: var(--space-2) auto var(--space-4);
}

.service-card h3 {
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: 1.2rem;
    margin-bottom: .4rem;
}

.service-card .muted {
    color: var(--c-muted);
    font-size: .9rem;
    margin-bottom: var(--space-3);
}

.service-card .check-list {
    text-align: left;
    max-width: 360px;
    margin-inline: auto;
}


/* ============================================================
   Why Cambio
   ============================================================ */
.why-grid {
    display: grid;
    grid-template-columns: minmax(220px, 360px) 1fr;
    gap: clamp(var(--space-4), 5vw, var(--space-6));
    align-items: start;
}

.why-visual {
    min-height: 420px;
    overflow: hidden;
}

.why-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.why-content h3 {
    font-family: var(--font-sans);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: .6rem;
}

.why-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4) var(--space-4);
    margin-top: var(--space-4);
}

.why-list li {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: .75rem;
    align-items: start;
}

.why-list .num {
    font-weight: 600;
    font-size: .85rem;
    color: var(--c-navy);
    letter-spacing: .04em;
    line-height: 1.2;
}

.why-list h4 {
    font-size: .85rem;
    font-weight: 600;
    margin-bottom: .3rem;
    color: var(--c-navy);
    line-height: 1.2;
}

.why-list p {
    color: var(--c-muted);
    font-size: .9rem;
    line-height: 1.6;
    margin: 0;
}


/* ============================================================
   Footer
   ============================================================ */
.site-footer {
    background: #12264f;
    color: var(--c-white);
    padding: var(--space-6) 0 var(--space-3);
    text-align: center;
}

.site-footer .logo {
    display: inline-flex;
    margin-bottom: var(--space-3);
}

.footer-contact {
    font-style: normal;
    margin-bottom: var(--space-4);
}

.footer-contact p { margin: .25rem 0; font-size: .92rem; }

.footer-name { font-weight: 600; letter-spacing: .05em; }

.footer-cities { opacity: .8; font-size: .88rem; }

.footer-contact a {
    color: inherit;
    opacity: .88;
}

.footer-divider {
    display: none;
}

.footer-meta {
    display: flex;
    justify-content: center;
    align-items: baseline;
    gap: var(--space-3);
    font-size: .82rem;
    opacity: .7;
    margin-top: var(--space-4);
}

.footer-meta .copy { margin: 0; }

.legal-links {
    display: flex;
    gap: var(--space-3);
}


/* ============================================================
   Responsive breakpoints
   ============================================================ */

/* Large tablets / small desktops */
@media (max-width: 960px) {
    .feature-grid  { grid-template-columns: repeat(2, 1fr); }
    .partners-grid { grid-template-columns: 1fr; max-width: 480px; margin-inline: auto; }
    .services-grid { grid-template-columns: 1fr; }
    .numbered-list { grid-template-columns: 1fr; }
    .why-grid      { grid-template-columns: 1fr; }
    .why-visual    { max-width: 360px; margin-inline: auto; min-height: 260px; }
    .why-list      { grid-template-columns: repeat(2, 1fr); }

    .relations-grid { grid-template-columns: 1fr; }
    .relations-visual { min-height: 260px; }

    .info-card,
    .info-card-reverse { grid-template-columns: 1fr; }
    .info-card-media   { order: 2; min-height: 180px; }
    .info-card-reverse .info-card-media { order: 0; }
}

/* Tablets */
@media (max-width: 760px) {
    :root { --header-h: 64px; }

    .site-nav { display: none; }
    .nav-toggle { display: inline-flex; }

    .hero { min-height: 78vh; }

    .section-head { margin-bottom: var(--space-4); }

    .why-list { grid-template-columns: 1fr; }
}

/* Phones */
@media (max-width: 480px) {
    .feature-grid { grid-template-columns: 1fr; max-width: 320px; margin-inline: auto; }

    .hero-title { font-size: clamp(2rem, 9vw, 2.8rem); }
    .hero-kicker { font-size: .75rem; }

    .service-card,
    .partner-card,
    .info-card-body { padding: var(--space-3); }

    .footer-meta { flex-direction: column; gap: .5rem; text-align: center; }
}


/* ============================================================
   Reveal on scroll — JS adds .js-reveal to the <html> element once
   IntersectionObserver is wired up. Without JS the elements stay
   visible, so there's never a broken/empty page.
   ============================================================ */
.js-reveal .reveal {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity .55s ease, transform .55s ease;
    will-change: opacity, transform;
}

.js-reveal .reveal.is-visible {
    opacity: 1;
    transform: none;
}


/* ============================================================
   Motion / a11y preferences
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
    html { scroll-behavior: auto; }
}

/* Keyboard focus styling */
:focus-visible {
    outline: 2px solid #7aa0ff;
    outline-offset: 3px;
    border-radius: 3px;
}