/* =====================================================
   Global Theme – FinChile
   Design System: Neomorphism + Block UI
   ===================================================== */

:root {
    /* Color Palette — Split-Complementary */
    --clr-main: #005f73;           /* Profundo verde-azulado */
    --clr-main-dark: #003d4a;
    --clr-accent: #ff9f1c;         /* Naranja vibrante */
    --clr-accent-dark: #cc7f00;
    --clr-comp: #0a9396;           /* Verde complementario */
    --clr-bg: #e5eef4;             /* Fondo suave */
    --clr-bg-light: #f8fbfd;
    --clr-text: #333333;
    --clr-text-invert: #ffffff;

    /* Gradientes & Sombras */
    --gradient-bg: linear-gradient(135deg, var(--clr-main) 0%, var(--clr-comp) 100%);
    --shadow-sm: 4px 4px 8px rgba(0, 0, 0, .05),
                 -4px -4px 8px rgba(255, 255, 255, .7);
    --shadow-md: 8px 8px 16px rgba(0, 0, 0, .08),
                 -8px -8px 16px rgba(255, 255, 255, .7);
    --shadow-inset: inset 4px 4px 8px rgba(0, 0, 0, .08),
                    inset -4px -4px 8px rgba(255, 255, 255, .7);

    /* Tipografía */
    --ff-heading: 'Poppins', sans-serif;
    --ff-body: 'Work Sans', sans-serif;

    /* Layout */
    --container-max: 1140px;
    --radius: 14px;
    --transition: all .3s ease;
}

/* =====================================================
   Base & Utilities
   ===================================================== */

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

body {
    margin: 0;
    font-family: var(--ff-body);
    line-height: 1.6;
    background: var(--clr-bg);
    color: var(--clr-text);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--ff-heading);
    color: var(--clr-main-dark);
    margin: 0 0 .75em;
    text-align: center;
    text-shadow: 1px 1px 3px rgba(0,0,0,.15);
}

p { margin: 0 0 1.25em; }

a {
    color: var(--clr-accent);
    text-decoration: none;
    transition: var(--transition);
}
a:hover,
a:focus { color: var(--clr-accent-dark); text-decoration: underline; }

.container {
    width: 90%;
    max-width: var(--container-max);
    margin-inline: auto;
}

/* Grid Helper */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit,minmax(260px,1fr));
    gap: 2rem;
}

/* =====================================================
   Header & Navigation
   ===================================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: var(--clr-bg);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
}

.header .container { display: flex; align-items: center; justify-content: space-between; }

.logo {
    font-family: var(--ff-heading);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--clr-main);
}

.nav ul {
    list-style: none;
    display: flex;
    gap: 1.5rem;
    padding: 1.2rem 0;
    margin: 0;
}

.nav a { font-weight: 500; }

.burger {
    display: none;
    background: none;
    border: none;
    flex-direction: column;
    gap: 5px;
    padding: .5rem;
    cursor: pointer;
}
.burger span {
    width: 24px;
    height: 3px;
    background: var(--clr-main-dark);
    border-radius: 2px;
    transition: var(--transition);
}

/* Burger Responsive */
@media (max-width: 900px) {
    .nav { position: absolute; top: 100%; left: 0; right: 0;
           background: var(--clr-bg); display: none; flex-direction: column; }
    .nav.open { display: flex; }
    .nav ul { flex-direction: column; align-items: center; gap: 1rem; }
    .burger { display: flex; }
}

/* =====================================================
   Sections
   ===================================================== */

.section { padding: 4.5rem 0; }

.bg-light { background: var(--clr-bg-light); }

.section-title { margin-bottom: 2rem; }

/* =====================================================
   Hero
   ===================================================== */

.hero {
    min-height: 70vh;
    display: flex;
    align-items: center;
    color: var(--clr-text-invert);
    text-align: center;
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    position: relative;
}

.hero:before { /* extra dark overlay if needed */
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(rgba(0,0,0,.6), rgba(0,0,0,.6));
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero-title { font-size: 2.5rem; line-height: 1.2; text-shadow: 2px 2px 6px rgba(0,0,0,.4); }

@media (min-width: 768px) {
    .hero-title { font-size: 3.5rem; }
}

/* =====================================================
   Buttons – Global
   ===================================================== */

.btn,
button,
input[type='submit'] {
    display: inline-block;
    padding: .9rem 2rem;
    font-family: var(--ff-heading);
    font-weight: 600;
    font-size: 1rem;
    color: var(--clr-text-invert);
    background: var(--clr-accent);
    border: none;
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    cursor: pointer;
    transition: var(--transition);
}

.btn.btn-primary { background: var(--clr-accent); }

.btn:hover,
button:hover,
input[type='submit']:hover {
    background: var(--clr-accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0,0,0,.12);
}

/* =====================================================
   Cards
   ===================================================== */

.card {
    background: var(--clr-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: var(--transition);
}

.card:hover { transform: translateY(-4px); box-shadow: 0 12px 24px rgba(0,0,0,.12); }

.card-image {
    width: 100%;
    height: 220px;
    overflow: hidden;
    border-top-left-radius: var(--radius);
    border-top-right-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    margin: 0 auto;
}

.card-content { padding: 1.5rem; }

.card-content h3 { margin-bottom: .6rem; color: var(--clr-main); }

/* =====================================================
   Timeline
   ===================================================== */

.timeline { position: relative; margin: 2rem 0 0; padding-left: 1rem; list-style: none; }
.timeline:before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--clr-main);
}
.timeline li { position: relative; margin-bottom: 1.5rem; padding-left: 1.5rem; }
.timeline-date {
    font-weight: 600;
    color: var(--clr-accent);
}
.timeline-content { background: var(--clr-bg-light); padding: .75rem 1rem; border-radius: var(--radius); box-shadow: var(--shadow-sm); }

/* =====================================================
   Accordion
   ===================================================== */

.accordion article { margin-bottom: 1rem; border-radius: var(--radius); box-shadow: var(--shadow-sm); overflow: hidden; }
.accordion-title { background: var(--clr-bg); cursor: pointer; padding: 1rem 1.25rem; user-select: none; }
.accordion input { display: none; }
.accordion-content { max-height: 0; overflow: hidden; transition: max-height .4s ease; background: var(--clr-bg-light); padding: 0 1.25rem; }
.accordion input:checked ~ .accordion-content { max-height: 240px; padding: 1.25rem; }

/* =====================================================
   External Links
   ===================================================== */

.external-links { list-style: none; padding: 0; margin: 2rem auto 0; max-width: 480px; text-align: center; }
.external-links li { margin-bottom: .75rem; }
.external-links a {
    display: inline-block;
    padding: .5rem 1rem;
    background: var(--clr-main);
    color: var(--clr-text-invert);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
}
.external-links a:hover { background: var(--clr-main-dark); transform: scale(1.03); }

/* =====================================================
   Forms
   ===================================================== */

.contact-form { display: grid; gap: 1.25rem; }
.form-group { display: flex; flex-direction: column; }
.form-group label { font-weight: 600; margin-bottom: .35rem; }
.form-group input,
.form-group textarea {
    padding: .75rem 1rem;
    border: none;
    border-radius: var(--radius);
    background: var(--clr-bg);
    box-shadow: var(--shadow-inset);
    font-family: var(--ff-body);
    resize: vertical;
}
.form-group input:focus,
.form-group textarea:focus { outline: 2px solid var(--clr-main); }

/* =====================================================
   Footer
   ===================================================== */

.footer {
    background: var(--clr-main-dark);
    color: var(--clr-text-invert);
    padding: 3rem 0;
    font-size: .95rem;
}
.footer-grid {
    display: grid;
    gap: 2rem;
    grid-template-columns: repeat(auto-fit,minmax(220px,1fr));
    align-items: start;
}
.footer h3 { color: var(--clr-text-invert); text-shadow: none; margin-bottom: 1rem; }
.footer a { color: var(--clr-accent); }
.footer a:hover { color: var(--clr-accent-dark); }
.social { margin-top: .5rem; }
.social a { margin-inline: .25rem; font-weight: 500; }

/* =====================================================
   Success Page
   ===================================================== */

.page-success {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2rem;
    background: var(--gradient-bg);
    color: var(--clr-text-invert);
}

/* =====================================================
   Legal Pages Padding
   ===================================================== */

.page-legal { padding-top: 100px; }

/* =====================================================
   Parallax (opt-in)
   ===================================================== */

@media (min-width: 992px) {
    .parallax { background-attachment: fixed; }
}

/* =====================================================
   Helper Classes
   ===================================================== */

.text-center { text-align: center; }
.mt-0 { margin-top: 0 !important; }
.mb-0 { margin-bottom: 0 !important; }
.btn-secondary {
    background: var(--clr-main);
}
.btn-secondary:hover { background: var(--clr-main-dark); }

/* Read-More Link */
.read-more {
    font-weight: 600;
    color: var(--clr-accent);
    position: relative;
}
.read-more:after {
    content: '→';
    margin-left: .35rem;
    transition: var(--transition);
}
.read-more:hover:after { transform: translateX(4px); }

/* =====================================================
   GSAP Fade-in Animations (basic fallback for no-JS)
   ===================================================== */

[data-animate] { opacity: 0; transform: translateY(30px); }
img{
    width: 100%;
    object-fit: cover;
}