/* ==========================================================================
   CSS Variables (Design System)
   ========================================================================== */
:root {
    --clr-blue: #0d47a1;
    --clr-blue-light: #e3f2fd;
    --clr-orange: #ff9800;
    --clr-orange-light: #fff3e0;
    --clr-green: #2e7d32;
    --clr-green-light: #e8f5e9;
    --clr-purple: #6a1b9a;
    --clr-purple-light: #f3e5f5;

    --clr-wine: #722f37;
    --clr-forest: #1b5e20;
    --clr-teal: #00838f;

    --clr-text-main: #333333;
    --clr-text-light: #666666;
    --clr-bg-body: #ffffff;
    --clr-bg-light: #f8fbff;

    --font-heading: 'Outfit', 'Segoe UI', sans-serif;
    --font-body: 'Inter', 'Segoe UI', Arial, sans-serif;

    --fs-hero: clamp(2.1rem, 5vmin, 3.8rem);
    --fs-title: clamp(1.8rem, 3.2vmin, 2.8rem);
    --fs-h3: clamp(1.25rem, 2.2vmin, 1.6rem);
    --fs-body-lg: clamp(1rem, 1.5vmin, 1.2rem);
    --fs-body: clamp(0.98rem, 1.25vmin, 1.08rem);
    --fs-small: clamp(0.88rem, 1.05vmin, 0.98rem);

    --space-fluid-2: clamp(0.8rem, 1.2vw, 1rem);
    --space-fluid-3: clamp(1.1rem, 1.8vw, 1.6rem);
    --space-fluid-4: clamp(1.6rem, 2.8vw, 2.4rem);

    --spacing-1: 0.5rem;
    --spacing-2: 1rem;
    --spacing-3: 1.5rem;
    --spacing-4: 2rem;
    --spacing-5: 3rem;
    --spacing-6: 5rem;
    --spacing-section: 6rem;

    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;

    --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 15px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 20px 25px rgba(0,0,0,0.1);

    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* ==========================================================================
   Resets & Basics
   ========================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: clamp(15px, 0.3vw + 14px, 16px);
}

body {
    font-family: var(--font-body);
    color: var(--clr-text-main);
    background-color: var(--clr-bg-body);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    font-size: var(--fs-body);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--clr-blue);
    line-height: 1.2;
    margin-bottom: var(--spacing-2);
    text-wrap: balance;
    overflow-wrap: anywhere;
}

p,
li,
a,
span {
    overflow-wrap: break-word;
}

a {
    text-decoration: none;
    color: var(--clr-blue);
    transition: var(--transition);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

.section-padding {
    padding: clamp(4rem, 8vw, var(--spacing-section)) 0;
}

.bg-light { background-color: var(--clr-bg-light); }
.text-center { text-align: center; }
.mb-4 { margin-bottom: var(--spacing-4); }
.mt-2 { margin-top: var(--spacing-2); }
.mt-3 { margin-top: var(--spacing-3); }

/* Colors classes */
.text-blue { color: var(--clr-blue); }
.bg-blue-light { background-color: var(--clr-blue-light); }
.text-orange { color: var(--clr-orange); }
.bg-orange-light { background-color: var(--clr-orange-light); }
.text-green { color: var(--clr-green); }
.bg-green-light { background-color: var(--clr-green-light); }
.text-purple { color: var(--clr-purple); }
.bg-purple-light { background-color: var(--clr-purple-light); }
.text-white { color: #fff; }

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-family: var(--font-body);
    text-align: center;
    cursor: pointer;
    border: 2px solid transparent;
    line-height: 1.3;
    white-space: normal;
}

.header-actions .btn {
    white-space: nowrap;
}

.btn-large {
    padding: 16px clamp(22px, 3vw, 32px);
    font-size: var(--fs-body-lg);
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.9rem;
}

.btn-primary {
    background-color: var(--clr-orange);
    color: #fff;
    box-shadow: 0 4px 15px rgba(255, 152, 0, 0.4);
}

.btn-primary:hover {
    background-color: #e68a00;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 152, 0, 0.5);
}

.btn-secondary {
    background-color: var(--clr-blue);
    color: #fff;
}

.btn-secondary:hover {
    background-color: #09347a;
    color: #fff;
    transform: translateY(-2px);
}

.btn-outline {
    background-color: transparent;
    border-color: #fff;
    color: #fff;
}

.btn-outline:hover {
    background-color: #fff;
    color: var(--clr-blue);
}

.btn-outline-white {
    border-color: #fff;
    color: #fff;
}

.btn-outline-white:hover {
    background-color: #fff;
    color: var(--clr-text-main);
}

.btn-block {
    display: block;
    width: 100%;
}

/* ==========================================================================
   Header & Nav
   ========================================================================== */
#main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition);
    padding: 20px 0;
}

#main-header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 10px 0;
    box-shadow: var(--shadow-sm);
}

#main-header.scrolled .logo,
#main-header.scrolled .main-nav ul li a {
    color: var(--clr-blue);
}

#main-header.scrolled .mobile-toggle {
    color: var(--clr-blue);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-fluid-2);
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 800;
    color: #fff;
}

.logo span {
    color: var(--clr-orange);
}

.main-nav {
    display: flex;
    align-items: center;
    gap: clamp(1rem, 2vw, var(--spacing-4));
    flex-wrap: nowrap;
}

.main-nav ul {
    display: flex;
    gap: clamp(0.7rem, 1.6vw, var(--spacing-3));
    flex-wrap: nowrap;
}

.main-nav ul li a {
    color: #fff;
    font-weight: 500;
    font-size: var(--fs-small);
    white-space: nowrap;
}

.main-nav ul li a:hover {
    color: var(--clr-orange);
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: #fff;
    font-size: 1.5rem;
    cursor: pointer;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
    height: 100vh;
    min-height: 600px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px;
}

.hero-content {
    color: #fff;
    max-width: 800px;
}

.badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(5px);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: var(--spacing-3);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-content h1 {
    color: #fff;
    font-size: var(--fs-hero);
    margin-bottom: var(--space-fluid-3);
    text-shadow: 0 4px 6px rgba(0,0,0,0.1);
    max-width: 18ch;
}

.hero-content p {
    font-size: var(--fs-body-lg);
    margin-bottom: var(--space-fluid-4);
    opacity: 0.9;
    max-width: 62ch;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: var(--space-fluid-2);
    margin-bottom: var(--spacing-5);
}

.hero-stats {
    display: flex;
    gap: var(--spacing-4);
    border-top: 1px solid rgba(255,255,255,0.2);
    padding-top: var(--spacing-3);
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
    font-weight: 500;
}

.stat-item i {
    color: var(--clr-orange);
    font-size: 1.2rem;
}

/* ==========================================================================
   About Section
   ========================================================================== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-6);
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.image-card {
    position: absolute;
    bottom: -30px;
    right: -30px;
    background: #fff;
    padding: var(--spacing-3);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: 15px;
    max-width: 250px;
}

.image-card i {
    font-size: 2rem;
    color: var(--clr-orange);
}

.image-card p {
    font-size: 0.85rem;
    margin: 0;
    line-height: 1.4;
    color: var(--clr-text-main);
}

.section-subtitle {
    display: block;
    color: var(--clr-orange);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.85rem;
    margin-bottom: 10px;
}

.section-title {
    font-size: var(--fs-title);
    max-width: 22ch;
}

.about-text p {
    color: var(--clr-text-light);
    margin-bottom: var(--spacing-2);
    font-size: var(--fs-body);
    line-height: 1.75;
    max-width: 65ch;
}

.check-list {
    margin: var(--spacing-3) 0;
}

.check-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 12px;
    color: var(--clr-text-main);
    font-weight: 500;
}

.check-list i {
    color: var(--clr-green);
    margin-top: 4px;
}

/* ==========================================================================
   Pilares
   ========================================================================== */
.section-header {
    max-width: 600px;
    margin: 0 auto var(--spacing-5);
}

.section-header p {
    color: var(--clr-text-light);
    font-size: var(--fs-body-lg);
    max-width: 62ch;
    margin-inline: auto;
    line-height: 1.7;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-3);
}

.service-card {
    background: #fff;
    padding: var(--spacing-4) var(--spacing-3);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    text-align: center;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-md);
}

.icon-wrapper {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-3);
    font-size: 1.8rem;
}

.service-card h3 {
    margin-bottom: 10px;
    font-size: var(--fs-h3);
    color: var(--clr-text-main);
}

.service-card p {
    font-size: var(--fs-small);
    color: var(--clr-text-light);
    line-height: 1.65;
    max-width: 34ch;
    margin-inline: auto;
}

/* ==========================================================================
   Projects Showcase
   ========================================================================== */
.projects-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-3);
}

.project-box {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    height: 350px;
    box-shadow: var(--shadow-sm);
    background-color: var(--clr-blue); /* Fallback bg */
}

.project-box.wide {
    grid-column: span 2;
}

.project-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.project-content {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.2) 60%, transparent 100%);
    padding: var(--spacing-4);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: flex-start;
    color: #fff;
    transition: var(--transition);
}

.project-box:hover img {
    transform: scale(1.1);
}

.project-content h4 {
    color: var(--clr-orange);
    font-size: var(--fs-h3);
    margin-bottom: 10px;
    font-weight: 700;
}

.project-content p {
    font-size: var(--fs-body);
    margin-bottom: var(--spacing-3);
    line-height: 1.6;
    opacity: 0.9;
    transform: translateY(10px);
    transition: all 0.4s ease;
}

.project-content .btn {
    transform: translateY(10px);
    transition: all 0.4s ease;
    transition-delay: 0.1s;
}

/* On mobile/tablet, show content more clearly if not hovering */
@media (max-width: 992px) {
    .project-box.wide {
        grid-column: span 1;
    }
}

/* ==========================================================================
   Stats / Transparency
   ========================================================================== */
.stats-counter {
    background: linear-gradient(135deg, var(--clr-blue) 0%, #082d68 100%);
    color: #fff;
}

.counters-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-3);
    margin-top: var(--spacing-4);
}

.counter-box {
    padding: var(--spacing-3);
}

.counter-number {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--clr-orange);
    line-height: 1;
    margin-bottom: 10px;
}

.counter-box p {
    font-size: var(--fs-body-lg);
    font-weight: 500;
    opacity: 0.9;
}

/* ==========================================================================
   Recompensas
   ========================================================================== */
.reward-text { flex: 1; min-width: 300px; padding-right: var(--spacing-4); }

.feature-list li {
    display: flex;
    gap: 20px;
    margin-bottom: var(--spacing-3);
    align-items: flex-start;
}

.feature-list i {
    font-size: 2rem;
    margin-top: 5px;
}

.feature-list strong {
    font-size: var(--fs-body-lg);
    color: var(--clr-blue);
    display: block;
}

.feature-list p {
    font-size: var(--fs-small);
    color: var(--clr-text-light);
    max-width: 62ch;
    line-height: 1.65;
}

.reward-cta-card {
    flex: 0 0 400px;
    background: var(--clr-blue);
    color: #fff;
    padding: var(--spacing-4);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.reward-cta-card h3 {
    color: #fff;
    font-size: var(--fs-h3);
}

.reward-cta-card p {
    margin-bottom: var(--spacing-3);
    font-size: var(--fs-body);
    opacity: 0.9;
    line-height: 1.65;
}

.align-center {
    display: flex;
    align-items: center;
}
.flex-wrap {
    flex-wrap: wrap;
}

/* ==========================================================================
   Blog Section
   ========================================================================== */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-3);
}

.blog-card {
    background: #fff;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.blog-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-5px);
}

.blog-content {
    padding: var(--spacing-4);
}

.blog-tag {
    display: inline-block;
    background: var(--clr-blue-light);
    color: var(--clr-blue);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 15px;
}

.blog-content h3 {
    font-size: var(--fs-h3);
    color: var(--clr-text-main);
    margin-bottom: 15px;
}

.blog-content p {
    color: var(--clr-text-light);
    font-size: var(--fs-small);
    margin-bottom: var(--spacing-3);
    line-height: 1.65;
}

.read-more {
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.read-more:hover {
    color: var(--clr-orange);
    gap: 12px;
}

/* ==========================================================================
   Partners
   ========================================================================== */
.partners-section {
    padding: var(--spacing-4) 0;
    border-top: 1px solid #eee;
}

.partners-section h3 {
    font-size: 1.2rem;
    color: var(--clr-text-light);
    margin-bottom: var(--spacing-3);
}

.partners-logo-grid {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-4);
}

.partners-logo-grid a {
    font-weight: 700;
    font-size: var(--fs-body-lg);
    color: #aaa;
    filter: grayscale(100%);
    transition: var(--transition);
}

.partners-logo-grid a:hover {
    filter: grayscale(0%);
    color: var(--clr-blue);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.main-footer {
    background-color: var(--clr-blue);
    color: #fff;
    padding-top: var(--spacing-section);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr;
    gap: var(--spacing-5);
    margin-bottom: var(--spacing-4);
}

.footer-logo {
    margin-bottom: var(--spacing-2);
    display: inline-block;
}

.footer-brand p {
    opacity: 0.8;
    margin-bottom: var(--spacing-3);
    max-width: 300px;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    color: #fff;
    margin-right: 10px;
}

.social-links a:hover {
    background: var(--clr-orange);
    transform: translateY(-3px);
}

.footer-links h4,
.footer-contact h4 {
    color: #fff;
    margin-bottom: var(--spacing-3);
    font-size: var(--fs-body-lg);
}

.footer-links ul li {
    margin-bottom: 12px;
}

.footer-links ul li a {
    color: rgba(255,255,255,0.7);
}

.footer-links ul li a:hover {
    color: #fff;
    padding-left: 5px;
}

.footer-contact p {
    color: rgba(255,255,255,0.7);
    margin-bottom: 10px;
    font-size: var(--fs-small);
    line-height: 1.65;
}

.footer-bottom {
    background: #082d68;
    padding: var(--spacing-3) 0;
    color: rgba(255,255,255,0.6);
    font-size: var(--fs-small);
}

/* ==========================================================================
   Animations
   ========================================================================== */
.scroll-reveal {
    opacity: 0;
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.scroll-reveal.bottom { transform: translateY(50px); }
.scroll-reveal.left { transform: translateX(-50px); }
.scroll-reveal.right { transform: translateX(50px); }
.scroll-reveal.zoom { transform: scale(0.9); }

.scroll-reveal.active {
    opacity: 1;
    transform: translate(0) scale(1);
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }

.animate-fade-in-up {
    animation: fadeInUp 1s ease forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1360px) and (min-width: 769px) {
    .main-nav {
        gap: clamp(0.7rem, 1.3vw, 1.2rem);
    }

    .main-nav ul {
        gap: clamp(0.5rem, 1vw, 1rem);
    }

    .main-nav ul li a {
        font-size: 0.9rem;
    }

    .header-actions .btn {
        padding: 10px 16px;
        font-size: 0.9rem;
    }
}

@media (max-width: 992px) {
    .about-grid, .footer-grid {
        grid-template-columns: 1fr;
    }
    .about-image { margin-bottom: var(--spacing-4); }
    .image-card { right: 20px; bottom: -20px; }
    
    .projects-gallery {
        grid-template-columns: repeat(2, 1fr);
    }
    .counters-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .reward-cta-card {
        flex: 1 1 100%;
        margin-top: var(--spacing-4);
    }
}

@media (max-width: 768px) {
    html {
        font-size: 15px;
    }

    .mobile-toggle {
        display: grid;
        place-items: center;
        width: 44px;
        height: 44px;
        border-radius: 12px;
        color: #fff;
        background: rgba(13, 71, 161, 0.2);
        backdrop-filter: blur(4px);
        transition: var(--transition);
    }
    
    .main-nav {
        display: flex; /* keep it flex */
        position: fixed;
        top: 0;
        right: -100%;
        width: min(88vw, 420px);
        height: 100vh;
        background: #fff;
        flex-direction: column;
        justify-content: center;
        padding: var(--spacing-4);
        box-shadow: -5px 0 15px rgba(0,0,0,0.1);
        transition: right 0.4s ease;
        z-index: 999;
    }
    
    .main-nav.active {
        right: 0;
    }

    .mobile-toggle.active {
        color: var(--clr-blue);
        background: #fff;
        box-shadow: var(--shadow-sm);
    }

    .main-nav ul {
        flex-direction: column;
        text-align: center;
        margin-bottom: var(--spacing-4);
    }
    
    .main-nav ul li a {
        color: var(--clr-text-main);
        font-size: 1.2rem;
    }

    #main-header.scrolled .logo,
    .logo {
        position: relative;
        z-index: 1001;
    }
    
    .mobile-toggle {
        position: relative;
        z-index: 1001;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 15px;
    }
    
    .projects-gallery {
        grid-template-columns: 1fr;
    }
    .project-box.wide {
        grid-column: span 1;
    }
}

@media (max-width: 480px) {
    .counters-grid { grid-template-columns: 1fr; }
    .section-padding { padding: var(--spacing-5) 0; }
    .hero-section { padding-top: 100px; }
    .hero-content h1 { font-size: clamp(1.9rem, 9vw, 2.5rem); }
    .section-title { max-width: 100%; }
    .hero-content p,
    .about-text p,
    .section-header p {
        max-width: 100%;
    }
}

@media (min-width: 1600px) {
    .hero-content h1 {
        max-width: 20ch;
    }
}

@media (max-height: 760px) {
    .hero-section {
        min-height: 520px;
    }

    .hero-content h1 {
        font-size: clamp(1.9rem, 4.2vmin, 3.1rem);
    }

    .hero-content p {
        font-size: clamp(1rem, 2.2vmin, 1.15rem);
    }
}