/* ===== Reset & Base ===== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --blue-dark: #0a4d8c;
    --blue: #1a73e8;
    --blue-light: #4da3ff;
    --celeste: #e8f4fd;
    --celeste-light: #f5fafe;
    --white: #ffffff;
    --text-dark: #1a2a3a;
    --text-gray: #5a6a7a;
    --text-light: #8a9aaa;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text-dark);
    background: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== Header / Nav ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(26, 115, 232, 0.08);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 24px;
}

.logo {
    font-family: 'Inter', monospace;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--blue);
    text-decoration: none;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    font-family: 'Inter', monospace;
    font-weight: 700;
    color: var(--blue-dark);
    font-size: 1.2rem;
    background: var(--celeste);
    padding: 4px 10px;
    border-radius: 8px;
    letter-spacing: -2px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 36px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.2s ease;
}

.nav-links a:hover {
    color: var(--blue);
}

.nav-links a.btn-nav {
    background: var(--blue);
    color: var(--white);
    padding: 10px 24px;
    border-radius: 50px;
    transition: background 0.2s ease, transform 0.2s ease;
}

.nav-links a.btn-nav:hover {
    background: var(--blue-dark);
    transform: translateY(-1px);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--blue);
    cursor: pointer;
}

/* ===== Hero ===== */
.hero {
    background: linear-gradient(180deg, var(--celeste-light) 0%, var(--celeste) 100%);
    padding: 160px 0 120px;
    position: relative;
    text-align: center;
}

.hero-content {
    max-width: 760px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.2;
    color: var(--text-dark);
    margin-bottom: 24px;
    letter-spacing: -1.5px;
}

.hero h1 span {
    color: var(--blue);
}

.hero p {
    font-size: 1.15rem;
    color: var(--text-gray);
    margin-bottom: 40px;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ===== Buttons ===== */
.btn-primary {
    display: inline-block;
    background: var(--blue);
    color: var(--white);
    padding: 14px 36px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
    box-shadow: 0 4px 16px rgba(26, 115, 232, 0.25);
}

.btn-primary:hover {
    background: var(--blue-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(10, 77, 140, 0.3);
}

.btn-secondary {
    display: inline-block;
    background: var(--white);
    color: var(--blue);
    padding: 14px 36px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    border: 2px solid var(--blue-light);
    transition: all 0.2s ease;
}

.btn-secondary:hover {
    background: var(--celeste);
    border-color: var(--blue);
}

/* ===== Hero Wave ===== */
.hero-wave {
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    line-height: 0;
}

.hero-wave svg {
    width: 100%;
    height: 80px;
}

/* ===== Sections ===== */
.section {
    padding: 100px 0;
}

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

.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 60px;
}

.section-header h2 {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-gray);
}

/* ===== Cards Grid (Nosotros) ===== */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.card {
    background: var(--white);
    border-radius: 16px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: 0 2px 12px rgba(10, 77, 140, 0.06);
    border: 1px solid rgba(26, 115, 232, 0.06);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-6px);
    box-shadow: 0 8px 30px rgba(10, 77, 140, 0.12);
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.card p {
    color: var(--text-gray);
    font-size: 0.95rem;
}

/* ===== Services Grid ===== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.service-item {
    background: var(--white);
    border-radius: 12px;
    padding: 32px 28px;
    border-left: 4px solid var(--blue);
    box-shadow: 0 2px 10px rgba(10, 77, 140, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 24px rgba(10, 77, 140, 0.1);
}

.service-item h3 {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--blue-dark);
    margin-bottom: 10px;
}

.service-item p {
    color: var(--text-gray);
    font-size: 0.92rem;
}

/* ===== Benefits List ===== */
.benefits-list {
    max-width: 760px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.benefit {
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.benefit-check {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    background: var(--celeste);
    color: var(--blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
}

.benefit h3 {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 6px;
}

.benefit p {
    color: var(--text-gray);
    font-size: 0.95rem;
}

/* ===== CTA Section ===== */
.cta-section {
    background: linear-gradient(135deg, var(--blue) 0%, var(--blue-light) 100%);
    padding: 80px 0;
    text-align: center;
}

.cta-content h2 {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 16px;
}

.cta-content p {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 32px;
}

.cta-section .btn-primary {
    background: var(--white);
    color: var(--blue);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.cta-section .btn-primary:hover {
    background: var(--celeste);
    color: var(--blue-dark);
}

/* ===== Contact ===== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 50px;
    max-width: 900px;
    margin: 0 auto;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-item {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.contact-label {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--blue);
}

.contact-item a {
    text-decoration: none;
    color: var(--text-dark);
    font-size: 1.05rem;
    font-weight: 500;
    transition: color 0.2s ease;
}

.contact-item a:hover {
    color: var(--blue);
}

.contact-item p {
    color: var(--text-dark);
    font-size: 1.05rem;
    font-weight: 500;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid var(--celeste);
    border-radius: 10px;
    font-family: inherit;
    font-size: 1rem;
    color: var(--text-dark);
    background: var(--white);
    transition: border-color 0.2s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--blue);
}

.contact-form textarea {
    resize: vertical;
}

.contact-form .btn-primary {
    align-self: flex-start;
    margin-top: 8px;
}

.form-success {
    color: var(--blue);
    font-weight: 500;
    font-size: 0.95rem;
    display: none;
}

.form-success.show {
    display: block;
}

/* ===== Footer ===== */
.footer {
    background: var(--text-dark);
    color: var(--white);
    padding: 60px 0 30px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 30px;
    margin-bottom: 40px;
}

.footer-brand .logo {
    color: var(--white);
}

.footer-brand .logo-icon {
    background: rgba(255, 255, 255, 0.15);
    color: var(--blue-light);
}

.footer-brand p {
    color: var(--text-light);
    font-size: 0.95rem;
    margin-top: 12px;
}

.footer-links {
    display: flex;
    gap: 28px;
}

.footer-links a {
    text-decoration: none;
    color: var(--text-light);
    font-size: 0.95rem;
    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: var(--white);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 24px;
    text-align: center;
}

.footer-bottom p {
    color: var(--text-light);
    font-size: 0.85rem;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 20px;
        gap: 20px;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    }

    .nav-links.open {
        display: flex;
    }

    .menu-toggle {
        display: block;
    }

    .hero {
        padding: 130px 0 100px;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .section {
        padding: 70px 0;
    }

    .section-header h2,
    .cta-content h2 {
        font-size: 1.7rem;
    }

    .cards-grid,
    .services-grid {
        grid-template-columns: 1fr;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .footer-content {
        flex-direction: column;
    }

    .footer-links {
        flex-wrap: wrap;
    }
}