:root {
    --color-primary: #1B4463;
    --color-accent: #E67E22;
    --color-green: #2E7D32;
    --color-gray: #7F8C8D;
    --color-white: #FFFFFF;
    --color-light: #F4F7F9;
    --color-dark: #0B1120;
    --hero-overlay-start: rgba(255, 255, 255, 0.15);
    --hero-overlay-mid: rgba(255, 255, 255, 0.08);
    --hero-overlay-end: rgba(27, 68, 99, 0.06);
    --font-family: Calibri, "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    --title-size: 1.125rem;
    --subtitle-size: 0.875rem;
    --body-size: 0.9375rem;
}

@media (min-width: 768px) {
    :root {
        --title-size: 1.25rem;
        --subtitle-size: 1rem;
        --body-size: 1rem;
    }
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--body-size);
    color: #333;
    margin: 0;
    padding: 0;
    background-color: var(--color-white);
}

/* Header */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1030;
    background: rgba(27, 68, 99, 0.97);
    backdrop-filter: blur(8px);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
}

.site-header .navbar {
    padding: 0.5rem 0;
}

.navbar-logo {
    height: 48px;
    width: auto;
    border-radius: 4px;
}

.site-header .nav-link {
    color: rgba(255, 255, 255, 0.9) !important;
    font-size: var(--subtitle-size);
    font-weight: 600;
    padding: 0.5rem 1rem !important;
    transition: color 0.2s ease;
}

.site-header .nav-link:hover,
.site-header .nav-link:focus {
    color: var(--color-accent) !important;
}

.nav-link-cta {
    background-color: var(--color-accent);
    border-radius: 6px;
    margin-left: 0.5rem;
    color: var(--color-white) !important;
}

.nav-link-cta:hover {
    background-color: #d35400 !important;
    color: var(--color-white) !important;
}

/* Hero */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background-color: #eef2f5;
}

.hero-photo {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        var(--hero-overlay-start) 0%,
        var(--hero-overlay-mid) 55%,
        var(--hero-overlay-end) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 1;
    padding-left: 1rem;
    padding-right: 1rem;
}

.hero-copy {
    min-height: 100vh;
}

@media (min-width: 992px) {
    .hero-content {
        padding-left: 2.5rem;
        padding-right: 2rem;
    }
}

.hero-content .col-lg-6,
.hero-content .col-xl-5 {
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: clamp(1.5rem, 4vw, 2.75rem);
    border-radius: 16px;
    box-shadow: 0 16px 48px rgba(27, 68, 99, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-left: 4px solid var(--color-accent);
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
    text-decoration: underline;
    text-decoration-color: var(--color-green);
    text-underline-offset: 8px;
    text-decoration-thickness: 4px;
    text-shadow: 0 1px 8px rgba(255, 255, 255, 0.8);
}

.hero-description {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: #2c3e50;
    line-height: 1.7;
    max-width: 640px;
    margin-bottom: 1rem;
    text-shadow: 0 1px 6px rgba(255, 255, 255, 0.75);
}

.hero-slogan {
    font-size: clamp(1.1rem, 2.5vw, 1.5rem);
    font-weight: 700;
    color: var(--color-accent);
    font-style: italic;
    margin-bottom: 0;
    text-shadow: 0 1px 6px rgba(255, 255, 255, 0.75);
}

.btn-primary {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
    font-weight: 600;
    padding: 0.75rem 2rem;
    border-radius: 8px;
    transition: background-color 0.2s ease, transform 0.2s ease;
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: #d35400;
    border-color: #d35400;
    transform: translateY(-2px);
}

/* Sections */
.section-padding {
    padding: 5rem 0;
}

.section-alt {
    background-color: var(--color-light);
}

.section-title {
    font-size: clamp(2.1rem, 5vw, 2.75rem);
    font-weight: 700;
    color: var(--color-primary);
    text-align: center;
    margin-bottom: 0.75rem;
    text-decoration: underline;
    text-decoration-color: var(--color-green);
    text-underline-offset: 6px;
    text-decoration-thickness: 3px;
}

.section-intro {
    text-align: center;
    color: var(--color-gray);
    font-size: var(--subtitle-size);
    max-width: 600px;
    margin: 0 auto 3rem;
}

/* Services */
.service-block {
    margin-bottom: 4rem;
    padding-bottom: 4rem;
    border-bottom: 1px solid #e0e6eb;
}

.service-block:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.service-image {
    width: 100%;
    height: 320px;
    object-fit: cover;
}

.service-title {
    font-size: clamp(1.55rem, 2.8vw, 2rem);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 1rem;
    text-decoration: underline;
    text-decoration-color: var(--color-green);
    text-underline-offset: 6px;
    text-decoration-thickness: 3px;
}

.service-subtitle {
    font-size: var(--subtitle-size);
    font-weight: 600;
    color: var(--color-gray);
    margin-bottom: 1rem;
}

.service-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.service-list li {
    position: relative;
    padding: 0.4rem 0 0.4rem 1.5rem;
    font-size: var(--body-size);
    line-height: 1.5;
    color: #444;
}

.service-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.85rem;
    width: 8px;
    height: 8px;
    background-color: var(--color-accent);
    border-radius: 50%;
}

.service-list-columns {
    columns: 2;
    column-gap: 2rem;
}

@media (max-width: 576px) {
    .service-list-columns {
        columns: 1;
    }
}

.timeline-list {
    list-style: none;
    margin: 0;
    padding: 0 0 0 0.5rem;
    border-left: 2px solid #d7e2ea;
}

.timeline-list li {
    position: relative;
    padding: 0.2rem 0 1rem 1.5rem;
    font-size: var(--body-size);
    color: #444;
    counter-increment: timeline;
    transition: transform 0.25s ease, color 0.25s ease;
}

.timeline-list li:hover {
    transform: translateX(6px);
    color: var(--color-primary);
}

.timeline-list li:last-child {
    padding-bottom: 0;
}

.timeline-list li::before {
    content: counter(timeline);
    position: absolute;
    left: -0.85rem;
    top: 0.15rem;
    width: 1.5rem;
    height: 1.5rem;
    border-radius: 50%;
    background: var(--color-primary);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.25s ease, transform 0.25s ease;
}

.timeline-list li:hover::before {
    background-color: var(--color-accent);
    transform: scale(1.08);
}

.timeline-list {
    counter-reset: timeline;
}

.service-banner-media {
    position: relative;
    overflow: hidden;
}

.service-banner-media .service-image {
    height: 260px;
    margin: 0;
}

.service-banner-caption {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 1.25rem 1.5rem;
    background: linear-gradient(transparent, rgba(11, 17, 32, 0.82));
}

.service-banner-caption .service-title {
    color: #fff;
    text-decoration-color: var(--color-accent);
}

.feature-card {
    background: var(--color-light);
    border-radius: 12px;
    padding: 1rem 1.1rem;
    height: 100%;
    font-weight: 600;
    color: var(--color-primary);
    border-left: 4px solid var(--color-accent);
    box-shadow: 0 4px 12px rgba(27, 68, 99, 0.06);
    transition: transform 0.25s ease, box-shadow 0.25s ease, background-color 0.25s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 22px rgba(27, 68, 99, 0.12);
    background-color: #fff;
}

.service-hero-panel {
    min-height: 240px;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: flex-end;
}

.service-hero-panel-inner {
    width: 100%;
    padding: 1.75rem;
    background: linear-gradient(transparent, rgba(27, 68, 99, 0.88));
    border-radius: 0 0 16px 16px;
}

.service-hero-panel .service-title {
    color: #fff;
    text-decoration-color: var(--color-accent);
}

.service-group-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 0.75rem;
    padding-bottom: 0.4rem;
    border-bottom: 2px solid var(--color-accent);
}

.plain-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.plain-list li {
    position: relative;
    padding: 0.35rem 0 0.35rem 1.15rem;
    color: #444;
    font-size: var(--body-size);
    line-height: 1.45;
    transition: transform 0.25s ease, color 0.25s ease;
}

.plain-list li:hover {
    transform: translateX(6px);
    color: var(--color-primary);
}

.plain-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.75rem;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-accent);
    transition: transform 0.25s ease, background-color 0.25s ease;
}

.plain-list li:hover::before {
    transform: scale(1.35);
    background-color: var(--color-primary);
}

.icon-tile {
    background: #fff;
    border: 1px solid #e6edf2;
    border-radius: 12px;
    padding: 1.1rem 1rem;
    text-align: center;
    font-weight: 600;
    color: var(--color-primary);
    height: 100%;
    box-shadow: 0 6px 16px rgba(27, 68, 99, 0.06);
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.icon-tile:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(27, 68, 99, 0.12);
    border-color: var(--color-accent);
}

.icon-tile::before {
    content: "";
    display: block;
    width: 28px;
    height: 4px;
    margin: 0 auto 0.7rem;
    background: var(--color-accent);
    border-radius: 4px;
}

.overlap-frame {
    position: relative;
}

.overlap-frame .service-image {
    height: 280px;
}

.overlap-panel {
    background: #fff;
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: 0 12px 32px rgba(27, 68, 99, 0.12);
    margin-top: -3.5rem;
    margin-left: auto;
    margin-right: 1rem;
    position: relative;
    max-width: 720px;
}

.digital-panel {
    background: linear-gradient(145deg, var(--color-primary) 0%, var(--color-dark) 100%);
    padding: 1.75rem;
}

.digital-panel .service-image {
    height: 280px;
}

.digital-tile {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border-radius: 10px;
    padding: 0.7rem 0.8rem;
    font-size: 0.85rem;
    font-weight: 600;
    height: 100%;
    border: 1px solid rgba(255, 255, 255, 0.12);
    transition: transform 0.25s ease, background-color 0.25s ease, border-color 0.25s ease;
}

.digital-tile:hover {
    transform: translateY(-3px);
    background-color: rgba(230, 126, 34, 0.28);
    border-color: var(--color-accent);
}

@media (prefers-reduced-motion: reduce) {
    .timeline-list li,
    .timeline-list li::before,
    .plain-list li,
    .plain-list li::before,
    .feature-card,
    .icon-tile,
    .digital-tile {
        transition: none;
    }

    .timeline-list li:hover,
    .plain-list li:hover,
    .feature-card:hover,
    .icon-tile:hover,
    .digital-tile:hover {
        transform: none;
    }
}

.casos-banner {
    overflow: hidden;
}

.casos-banner .service-image {
    height: 240px;
    margin: 0;
}

.success-card {
    background: #fff;
    border-radius: 12px;
    padding: 1.1rem 1.2rem 1.1rem 2.4rem;
    height: 100%;
    box-shadow: 0 6px 18px rgba(27, 68, 99, 0.07);
    position: relative;
    color: #444;
    line-height: 1.55;
}

.success-card::before {
    content: "✓";
    position: absolute;
    left: 0.9rem;
    top: 1.05rem;
    color: var(--color-green);
    font-weight: 700;
}

/* Clients */
.client-logos {
    margin-top: 2rem;
}

.client-card {
    background: var(--color-white);
    border-radius: 12px;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 140px;
    box-shadow: 0 4px 16px rgba(27, 68, 99, 0.08);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.client-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(27, 68, 99, 0.15);
}

.client-card img {
    max-height: 80px;
    width: auto;
    object-fit: contain;
}

/* Success cases */
.success-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.success-list li {
    position: relative;
    padding: 0.75rem 0 0.75rem 2rem;
    font-size: var(--body-size);
    line-height: 1.6;
    border-bottom: 1px solid #e8ecef;
}

.success-list li:last-child {
    border-bottom: none;
}

.success-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 0.75rem;
    color: var(--color-green);
    font-weight: 700;
    font-size: 1.1rem;
}

/* Contact */
.contact-section {
    background: linear-gradient(160deg, var(--color-dark) 0%, var(--color-primary) 100%);
    padding: 5rem 0;
    color: var(--color-white);
}

.contact-title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 700;
    font-family: Georgia, "Times New Roman", serif;
    margin-bottom: 1rem;
}

.contact-intro {
    font-size: var(--subtitle-size);
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.contact-image {
    width: 100%;
    max-height: 220px;
    object-fit: cover;
}

.contact-form-card {
    background: var(--color-white);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

.contact-form-card .form-label {
    font-weight: 600;
    color: var(--color-primary);
    font-size: var(--subtitle-size);
}

.contact-form-card .form-control {
    border: 1px solid #d0d7de;
    border-radius: 8px;
    padding: 0.75rem 1rem;
    font-size: var(--body-size);
}

.contact-form-card .form-control:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(27, 68, 99, 0.15);
}

/* Social links */
.social-links {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(27, 68, 99, 0.1);
    color: var(--color-primary);
    transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.social-links a:hover {
    background: var(--color-accent);
    color: var(--color-white);
    transform: translateY(-2px);
}

.social-links-light a {
    background: rgba(255, 255, 255, 0.15);
    color: var(--color-white);
}

.social-links-light a:hover {
    background: var(--color-accent);
    color: var(--color-white);
}

/* Footer */
.site-footer {
    background-color: var(--color-dark);
    color: rgba(255, 255, 255, 0.8);
    padding: 3rem 0;
}

.footer-logo {
    height: 56px;
    width: auto;
    border-radius: 4px;
}

.footer-tagline {
    font-size: var(--subtitle-size);
    color: var(--color-accent);
    font-style: italic;
}

.footer-heading {
    font-weight: 700;
    font-size: var(--subtitle-size);
    color: var(--color-white);
    margin-bottom: 0.75rem;
}

.footer-copy {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
}

.site-footer .social-links {
    justify-content: center;
}

.site-footer .social-links a {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
}

.site-footer .social-links a:hover {
    background: var(--color-accent);
}

/* Scroll reveal animations */
.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition:
        opacity 0.75s cubic-bezier(0.22, 1, 0.36, 1),
        transform 0.75s cubic-bezier(0.22, 1, 0.36, 1);
    transition-delay: var(--reveal-delay, 0ms);
    will-change: opacity, transform;
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.reveal-left {
    transform: translateX(-32px);
}

.reveal-right {
    transform: translateX(32px);
}

.reveal-left.is-visible,
.reveal-right.is-visible {
    transform: translateX(0);
}

.reveal-scale {
    transform: scale(0.94) translateY(16px);
}

.reveal-scale.is-visible {
    transform: scale(1) translateY(0);
}

.reveal-hero {
    transform: translateY(20px);
}

.service-block .service-image.reveal {
    transition-duration: 0.85s;
}

.client-card.reveal {
    transition-duration: 0.65s;
}

.success-list li.reveal {
    transition-duration: 0.55s;
}

@media (prefers-reduced-motion: reduce) {
    .reveal,
    .reveal-left,
    .reveal-right,
    .reveal-scale,
    .reveal-hero {
        opacity: 1 !important;
        transform: none !important;
        transition: none !important;
    }
}

/* Utilities */
main {
    padding-top: 64px;
}

@media (max-width: 991px) {
  .hero-section {
    min-height: 0;
    display: grid;
    align-items: stretch;
  }

  .hero-photo,
  .hero-overlay,
  .hero-content {
    grid-area: 1 / 1;
  }

  .hero-photo {
    position: relative;
    inset: auto;
    width: 100%;
    height: auto;
    object-fit: contain;
    object-position: top center;
  }

  .hero-overlay {
    height: 100%;
  }

  .hero-copy {
    min-height: 0;
    align-items: flex-end;
  }

  .service-image {
    height: 240px;
  }

  .whatsapp-float {
    bottom: 1.25rem;
    right: 1.25rem;
    width: 54px;
    height: 54px;
  }
}

/* WhatsApp */
.whatsapp-float {
    position: fixed;
    bottom: 1.75rem;
    right: 1.75rem;
    z-index: 1040;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 58px;
    height: 58px;
    border-radius: 50%;
    background-color: #25d366;
    color: #ffffff;
    box-shadow: 0 8px 24px rgba(37, 211, 102, 0.45);
    transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.whatsapp-float:hover {
    color: #ffffff;
    background-color: #1ebe57;
    transform: translateY(-3px) scale(1.04);
    box-shadow: 0 12px 28px rgba(37, 211, 102, 0.5);
}