:root {
    --landing-petroleo-950: #07262a;
    --landing-petroleo-900: #0a2e33;
    --landing-petroleo-800: #0f3d42;
    --landing-petroleo-700: #155056;
    --landing-petroleo-600: #1c6870;
    --landing-petroleo-200: #d3e0e2;
    --landing-petroleo-100: #e9f1f2;
    --landing-naranja-600: #d9520f;
    --landing-naranja-500: #f2621a;
    --landing-naranja-100: #fff0e5;
    --landing-text: #17262a;
    --landing-muted: #5b6b6d;
    --landing-bg: #f6f9f9;
    --landing-white: #ffffff;
    --landing-shadow: 0 18px 50px rgba(10, 46, 51, .10);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body.landing-body {
    margin: 0;
    background: var(--landing-white);
    color: var(--landing-text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    line-height: 1.5;
}
body.landing-body a { color: inherit; }
body.landing-body img { display: block; max-width: 100%; }

.landing-shell {
    width: min(1060px, calc(100% - 36px));
    margin: 0 auto;
}

.landing-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255,255,255,.96);
    border-bottom: 1px solid #e7eded;
    backdrop-filter: blur(12px);
}

.landing-header-inner {
    min-height: 68px;
    display: flex;
    align-items: center;
    gap: 24px;
}

.landing-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--landing-petroleo-900);
    text-decoration: none;
    font-size: 20px;
    font-weight: 800;
    letter-spacing: -.02em;
}

.landing-brand-logo { width: 31px; height: 41px; object-fit: contain; }

.landing-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 22px;
    margin-left: auto;
}

.landing-nav a {
    color: var(--landing-petroleo-800);
    text-decoration: none;
    font-size: 13px;
    font-weight: 650;
}

.landing-nav a:hover { color: var(--landing-naranja-500); }

.landing-btn {
    min-height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 9px 16px;
    border: 1px solid transparent;
    border-radius: 8px;
    text-decoration: none;
    font: inherit;
    font-size: 13px;
    font-weight: 750;
    cursor: pointer;
    transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}

.landing-btn:hover { transform: translateY(-1px); }
.landing-btn-primary {
    background: var(--landing-naranja-500);
    color: #fff !important;
    box-shadow: 0 10px 24px rgba(242,98,26,.22);
}
.landing-btn-primary:hover { background: var(--landing-naranja-600); }
.landing-btn-outline {
    border-color: var(--landing-petroleo-300, #b9cdd0);
    color: var(--landing-petroleo-800) !important;
    background: #fff;
}
.landing-btn-outline:hover { border-color: var(--landing-petroleo-600); background: var(--landing-petroleo-100); }

.landing-login { min-width: 116px; }

.landing-hero {
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(circle at 12% 10%, rgba(242,98,26,.08), transparent 28%),
        linear-gradient(135deg, #ffffff 0%, #f6f9f9 58%, #edf4f4 100%);
}

.landing-hero-grid {
    min-height: 565px;
    display: grid;
    grid-template-columns: minmax(0, 1.03fr) minmax(390px, .97fr);
    align-items: center;
    gap: 44px;
    padding-top: 58px;
    padding-bottom: 58px;
}

.landing-eyebrow {
    display: inline-block;
    margin-bottom: 12px;
    color: var(--landing-naranja-600);
    font-size: 11px;
    font-weight: 850;
    letter-spacing: .10em;
    text-transform: uppercase;
}

.landing-hero h1,
.landing-section-heading h2,
.landing-cta h2,
.landing-contact h2 {
    margin: 0;
    color: var(--landing-petroleo-950);
    letter-spacing: -.035em;
    line-height: 1.05;
}

.landing-hero h1 { max-width: 690px; font-size: clamp(38px, 4.7vw, 60px); }
.landing-hero-copy > p { max-width: 650px; margin: 16px 0 0; color: #34484b; font-size: 15.5px; }
.landing-hero-copy .landing-hero-lead { margin-top: 21px; color: var(--landing-petroleo-800); font-size: 15.5px; }

.landing-hero-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 24px; }
.landing-hero-actions .landing-btn { min-width: 142px; }

.landing-trust-row {
    display: flex;
    flex-wrap: wrap;
    gap: 14px 20px;
    margin-top: 26px;
}

.landing-trust-item { display: flex; align-items: center; gap: 8px; color: var(--landing-petroleo-700); font-size: 12.5px; font-weight: 650; }
.landing-trust-icon {
    width: 20px;
    height: 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--landing-petroleo-100);
    color: var(--landing-petroleo-700);
    font-weight: 900;
}

.landing-hero-visual { position: relative; min-height: 460px; }
.landing-hero-photo {
    width: 100%;
    height: 460px;
    object-fit: cover;
    object-position: left center;
    border-radius: 20px;
    box-shadow: var(--landing-shadow);
}

.landing-hero-card {
    position: absolute;
    right: -22px;
    bottom: 28px;
    width: min(330px, 82%);
    padding: 20px;
    border: 1px solid rgba(255,255,255,.75);
    border-radius: 14px;
    background: rgba(255,255,255,.94);
    box-shadow: 0 16px 40px rgba(10,46,51,.18);
    backdrop-filter: blur(10px);
}
.landing-hero-card strong { color: var(--landing-petroleo-900); font-size: 14.5px; }
.landing-hero-card ul { margin: 10px 0 0; padding: 0; list-style: none; }
.landing-hero-card li { position: relative; margin-top: 7px; padding-left: 20px; color: #425558; font-size: 13px; }
.landing-hero-card li::before { content: "✓"; position: absolute; left: 0; color: var(--landing-naranja-500); font-weight: 900; }

.landing-principles { border-top: 1px solid #edf1f1; border-bottom: 1px solid #edf1f1; background: #fffaf6; }
.landing-principles-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.landing-principles article { display: flex; gap: 14px; padding: 23px 24px; }
.landing-principles article + article { border-left: 1px solid #f1d8c8; }
.landing-principle-icon { color: var(--landing-petroleo-700); font-size: 27px; font-weight: 700; line-height: 1; }
.landing-principles strong { display: block; margin-bottom: 4px; color: var(--landing-petroleo-900); }
.landing-principles p { margin: 0; color: var(--landing-muted); font-size: 13px; }

.landing-section { padding: 72px 0; }
.landing-section:nth-of-type(even) { background: var(--landing-bg); }
.landing-section-heading { max-width: 720px; margin-bottom: 34px; }
.landing-section-heading-centered { margin-left: auto; margin-right: auto; text-align: center; }
.landing-section-heading h2, .landing-contact h2 { font-size: clamp(31px, 3.6vw, 43px); }
.landing-section-heading p { margin: 14px 0 0; color: var(--landing-muted); font-size: 15px; }

.landing-features-heading { margin-bottom: 42px; }

.landing-features-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 42px 48px;
}

.landing-feature {
    display: grid;
    grid-template-columns: 56px minmax(0, 1fr);
    gap: 16px;
    align-items: start;
    min-width: 0;
    padding: 0;
}

.landing-feature-icon {
    width: 56px;
    height: 56px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--landing-naranja-100);
    color: var(--landing-naranja-500);
    transition: transform .16s ease, background .16s ease;
}

.landing-feature:hover .landing-feature-icon {
    transform: translateY(-2px);
    background: #ffe5d4;
}

.landing-feature-icon svg {
    width: 29px;
    height: 29px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.landing-feature-copy { min-width: 0; }
.landing-feature h3 {
    margin: 3px 0 0;
    color: var(--landing-petroleo-900);
    font-size: 17px;
    line-height: 1.25;
}

.landing-feature p {
    margin: 7px 0 0;
    color: var(--landing-muted);
    font-size: 13px;
    line-height: 1.5;
}


.landing-app-showcase { overflow: hidden; }
.landing-screens-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    align-items: stretch;
}

.landing-screen {
    display: flex;
    flex-direction: column;
    gap: 11px;
    min-width: 0;
    padding: 11px;
    border: 1px solid #e1e8e8;
    border-radius: 14px;
    background: #fff;
    color: inherit;
    text-decoration: none;
    box-shadow: 0 7px 20px rgba(10,46,51,.055);
    transition: transform .16s ease, border-color .16s ease, box-shadow .16s ease;
}

.landing-screen:hover {
    transform: translateY(-2px);
    border-color: var(--landing-petroleo-300, #b9cdd0);
    box-shadow: 0 12px 28px rgba(10,46,51,.09);
}

.landing-screen-window {
    height: 265px;
    overflow: hidden;
    border: 1px solid #dfe7e7;
    border-radius: 9px;
    background: #eef4f4;
}

.landing-screen-window img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
}

.landing-screen strong {
    display: block;
    color: var(--landing-petroleo-900);
    font-size: 13px;
}

.landing-screen span {
    display: block;
    margin-top: 3px;
    color: var(--landing-muted);
    font-size: 12px;
    line-height: 1.45;
}

.landing-cta { padding: 60px 0; background: linear-gradient(135deg, var(--landing-petroleo-950), var(--landing-petroleo-700)); color: #fff; }
.landing-cta-grid { display: grid; grid-template-columns: minmax(0,1.3fr) minmax(280px,.7fr); gap: 42px; align-items: center; }
.landing-cta h2 { color: #fff; font-size: clamp(31px, 3.6vw, 45px); }
.landing-cta p { max-width: 700px; margin: 16px 0 0; color: #d7e6e7; font-size: 15px; }
.landing-eyebrow-light { color: #ffb184; }
.landing-cta-actions { display: flex; flex-direction: column; gap: 10px; align-items: stretch; }
.landing-btn-light-outline { border-color: rgba(255,255,255,.45); color: #fff !important; background: transparent; }
.landing-btn-light-outline:hover { background: rgba(255,255,255,.08); }

.landing-contact { background: #fff !important; }
.landing-contact-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 52px; align-items: start; }
.landing-contact-copy p { color: var(--landing-muted); font-size: 14.5px; }
.landing-contact-email { margin-top: 24px; padding: 16px; border-radius: 12px; background: var(--landing-petroleo-100); }
.landing-contact-email span { display: block; color: var(--landing-muted); font-size: 12px; }
.landing-contact-email a { display: inline-block; margin-top: 4px; color: var(--landing-petroleo-700); font-weight: 800; text-decoration: none; }

.landing-contact-form-wrap { padding: 22px; border: 1px solid #dfe7e7; border-radius: 16px; background: var(--landing-bg); box-shadow: 0 12px 34px rgba(10,46,51,.07); }
.landing-contact-form { display: grid; gap: 13px; }
.landing-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 13px; }
.landing-field label { display: block; margin-bottom: 6px; color: var(--landing-petroleo-800); font-size: 13px; font-weight: 750; }
.landing-field label span { color: var(--landing-muted); font-weight: 500; }
.landing-field input, .landing-field textarea {
    width: 100%;
    padding: 10px 11px;
    border: 1px solid #cbd7d6;
    border-radius: 8px;
    background: #fff;
    color: var(--landing-text);
    font: inherit;
    font-size: 13px;
}
.landing-field textarea { resize: vertical; min-height: 118px; }
.landing-field input:focus, .landing-field textarea:focus { outline: 0; border-color: var(--landing-naranja-500); box-shadow: 0 0 0 3px rgba(242,98,26,.12); }
.landing-submit { justify-self: start; min-width: 160px; }
.landing-honeypot { position: absolute !important; left: -10000px !important; width: 1px !important; height: 1px !important; overflow: hidden !important; }

.landing-alert { display: flex; flex-direction: column; gap: 3px; margin-bottom: 16px; padding: 12px 14px; border-radius: 9px; font-size: 13px; }
.landing-alert-success { background: #e6f5ec; color: #155c37; border: 1px solid #b8dfc7; }
.landing-alert-error { background: #fff0ee; color: #8a2c25; border: 1px solid #efc2bd; }

.landing-footer { padding: 24px 0; background: var(--landing-petroleo-950); color: #d9e5e6; }
.landing-footer-grid { display: grid; grid-template-columns: auto 1fr auto auto; gap: 22px; align-items: center; }
.landing-footer-brand { display: flex; align-items: center; gap: 9px; color: #fff; font-size: 16px; }
.landing-footer-brand img { width: 27px; height: 36px; object-fit: contain; }
.landing-footer p { margin: 0; color: #b8ccce; font-size: 12px; }
.landing-footer-links { display: flex; gap: 18px; }
.landing-footer-links a { color: #fff; font-size: 12px; text-decoration: none; }
.landing-footer small { color: #9eb7b9; font-size: 11px; }

@media (max-width: 960px) {
    .landing-nav { display: none; }
    .landing-header-inner { gap: 12px; }
    .landing-login { margin-left: auto; }

    .landing-hero-grid {
        grid-template-columns: minmax(0, 1fr) minmax(340px, .82fr);
        gap: 30px;
    }

    .landing-hero h1 { font-size: clamp(36px, 5vw, 50px); }
    .landing-features-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 34px 38px; }

    .landing-principles-grid { grid-template-columns: 1fr; }
    .landing-principles article + article {
        border-left: 0;
        border-top: 1px solid #f1d8c8;
    }

    .landing-screens-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .landing-contact-grid { gap: 30px; }
    .landing-footer-grid { grid-template-columns: auto 1fr; }
    .landing-footer-links,
    .landing-footer small { justify-self: end; }
}

@media (max-width: 760px) {
    .landing-shell { width: min(100% - 28px, 1060px); }

    .landing-header-inner { min-height: 62px; }
    .landing-brand { font-size: 18px; }
    .landing-brand-logo { width: 27px; height: 36px; }
    .landing-login { min-width: auto; padding: 8px 12px; font-size: 12px; }

    .landing-hero-grid {
        min-height: 0;
        grid-template-columns: 1fr;
        gap: 30px;
        padding-top: 42px;
        padding-bottom: 44px;
    }

    .landing-hero h1 { font-size: clamp(34px, 9vw, 43px); }
    .landing-hero-copy > p { font-size: 15px; }
    .landing-hero-copy .landing-hero-lead { font-size: 16.5px; }

    .landing-hero-visual { min-height: auto; }
    .landing-hero-photo {
        height: 360px;
        object-position: 60% center;
    }

    .landing-hero-card {
        right: 10px;
        bottom: 14px;
        width: min(300px, 88%);
        padding: 16px;
    }

    .landing-trust-row { flex-direction: column; gap: 9px; }
    .landing-section { padding: 56px 0; }

    .landing-section-heading h2,
    .landing-contact h2,
    .landing-cta h2 { font-size: 32px; }

    .landing-section-heading p { font-size: 15px; }

    .landing-features-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .landing-feature {
        grid-template-columns: 50px minmax(0, 1fr);
        gap: 14px;
    }

    .landing-feature-icon {
        width: 50px;
        height: 50px;
    }

    .landing-feature-icon svg {
        width: 26px;
        height: 26px;
    }

    .landing-screens-grid,
    .landing-contact-grid,
    .landing-cta-grid { grid-template-columns: 1fr; }

    .landing-screen-window { height: 300px; }
    .landing-cta-actions { max-width: 300px; }

    .landing-form-grid { grid-template-columns: 1fr; }
    .landing-contact-form-wrap { padding: 17px; }

    .landing-footer-grid {
        grid-template-columns: 1fr;
        text-align: left;
    }

    .landing-footer-links,
    .landing-footer small { justify-self: start; }
}

@media (max-width: 430px) {
    .landing-shell { width: min(100% - 22px, 1060px); }
    .landing-header-inner { min-height: 58px; }
    .landing-brand span { font-size: 17px; }

    .landing-hero h1 { font-size: 33px; }
    .landing-hero-actions { flex-direction: column; }
    .landing-hero-actions .landing-btn { width: 100%; }

    .landing-hero-photo {
        height: 305px;
        object-position: 58% center;
    }

    .landing-hero-card {
        position: relative;
        right: auto;
        bottom: auto;
        width: calc(100% - 20px);
        margin: -52px 10px 0;
    }

    .landing-principles article { padding: 20px 18px; }
    .landing-screen-window { height: 245px; }
    .landing-section-heading h2,
    .landing-contact h2,
    .landing-cta h2 { font-size: 29px; }
}