/* style.css */
/* ================== RESET ================== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Nunito', Arial, sans-serif;
    color: var(--color-neutral-dark);
    background-color: var(--color-neutral-light);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ================== CSS VARIABLES ================== */
:root {
    /* Base Palette – Split-Complementary */
    --color-primary: #0066ff;
    --color-primary-dark: #0044aa;
    --color-primary-light: #3385ff;

    --color-accent: #ff6b00;
    --color-accent-dark: #cc5500;
    --color-accent-light: #ff8c33;

    --color-secondary: #00c8a8;
    --color-secondary-dark: #00927b;
    --color-secondary-light: #33d6be;

    --color-neutral-light: #f5f7fa;
    --color-neutral-dark: #1a1a1a;
    --color-white: #ffffff;
    --color-gray: #777777;

    --transition-fast: 0.2s ease-in-out;
    --transition-normal: 0.4s ease-in-out;
}

/* ================== TYPOGRAPHY ================== */
h1, h2, h3, h4, .logo {
    font-family: 'Oswald', sans-serif;
    font-weight: 600;
    color: var(--color-neutral-dark);
    text-rendering: optimizeLegibility;
}

h1 {font-size: 2.8rem; line-height: 1.1;}
h2 {font-size: 2.2rem; margin-bottom: 1rem;}
h3 {font-size: 1.5rem; margin-bottom: 0.5rem;}
h4 {font-size: 1.25rem;}

/* ================== GENERAL LAYOUT ================== */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

section {
    padding: 60px 0;
    position: relative;
}

.section-title {
    text-align: center;
    margin-bottom: 40px;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.1);
}

/* ================== HEADER ================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255,255,255,0.95);
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    z-index: 999;
    transition: var(--transition-fast);
}

.header .flex-between {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 0;
}

.logo {
    font-size: 1.8rem;
    color: var(--color-primary);
    text-decoration: none;
}

.navigation a {
    margin-left: 1.2rem;
    color: var(--color-neutral-dark);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-fast);
}
.navigation a:hover,
.navigation a:focus {
    color: var(--color-primary);
}

.burger {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
}
.burger span {
    display: block;
    width: 24px;
    height: 3px;
    background: var(--color-neutral-dark);
    transition: var(--transition-fast);
}

/* ================== HERO ================== */
.hero {
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: var(--color-white);
    background-size: cover;
    background-repeat: no-repeat;
    background-attachment: fixed;
    min-height: 70vh;
    position: relative;
    overflow: hidden;
}
.hero::after { /* Particle overlay */
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle at 20% 30%, rgba(255,255,255,0.05) 0, transparent 50%),
                      radial-gradient(circle at 80% 70%, rgba(255,255,255,0.05) 0, transparent 50%),
                      radial-gradient(circle at 50% 50%, rgba(255,255,255,0.04) 0, transparent 50%);
    animation: particles 15s linear infinite;
}
@keyframes particles {
    0%   { background-position: 0 0, 0 0, 0 0; }
    100% { background-position: 1000px 0, -1000px 0, 0 1000px; }
}

.hero-title {margin-bottom: 1rem;}
.hero-text {max-width: 700px; margin: 0 auto 1.5rem; color: var(--color-white);}

/* ================== BUTTONS ================== */
.btn, 
button, 
input[type='submit'] {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 700;
    font-family: 'Nunito', sans-serif;
    text-decoration: none;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition-fast);
    text-align: center;
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-white);
}
.btn-primary:hover,
.btn-primary:focus {
    background: var(--color-primary-light);
}

.btn-secondary {
    background: var(--color-accent);
    color: var(--color-white);
}
.btn-secondary:hover,
.btn-secondary:focus {
    background: var(--color-accent-light);
}

/* 'Leer más' links */
.read-more {
    color: var(--color-primary);
    font-weight: 700;
    text-decoration: none;
    position: relative;
}
.read-more::after {
    content: '';
    position: absolute;
    height: 2px;
    width: 100%;
    left: 0;
    bottom: -2px;
    background: var(--color-primary);
    transition: transform var(--transition-fast);
    transform: scaleX(0);
    transform-origin: left;
}
.read-more:hover::after {transform: scaleX(1);}

/* ================== GRID & FLEX UTILITIES ================== */
.flex-between {display:flex;justify-content:space-between;align-items:center;}
.text-center {text-align:center;}
.mb-2 {margin-bottom: .5rem;}
.mb-3 {margin-bottom: 1rem;}
.mb-4 {margin-bottom: 2rem;}

/* ================== CARDS ================== */
.card {
    background: var(--color-white);
    border-radius: 16px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.08);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}
.card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 25px rgba(0,0,0,0.12);
}

.card-image {
    width: 100%;
    height: 240px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}
.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    margin: 0 auto;
}
.card-content {padding: 24px;}

/* ================== FEATURES, PRICING, TEAM GRIDS ================== */
.features-grid,
.pricing-grid,
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px,1fr));
    gap: 32px;
}

/* ================== PROCESS LIST ================== */
.process-steps {
    max-width: 800px;
    margin: 0 auto;
    list-style: decimal-leading-zero;
    padding-left: 1.2rem;
}
.process-steps li {
    margin-bottom: 1rem;
    font-weight: 600;
}

/* ================== PARTNERS ================== */
.partners-logos {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 40px;
}
.partners-logos img {
    filter: grayscale(100%);
    opacity: 0.8;
    transition: var(--transition-fast);
}
.partners-logos img:hover {filter: grayscale(0);opacity:1;}

/* ================== FOOTER ================== */
.footer {
    background: var(--color-neutral-dark);
    color: var(--color-white);
    padding: 60px 0 20px;
}
.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit,minmax(220px,1fr));
    gap: 40px;
}
.footer h3, .footer h4 {color: var(--color-white);}
.footer a {
    color: var(--color-secondary-light);
    text-decoration: none;
    display: block;
    margin-bottom: 8px;
    transition: var(--transition-fast);
}
.footer a:hover {color: var(--color-accent-light);}
.footer-bottom {
    text-align: center;
    margin-top: 40px;
    font-size: 0.9rem;
}

/* Social text styles */
.footer-social ul {display:flex;flex-direction:column;gap:6px;}
.footer-social ul li a {font-weight:700;}

/* ================== FORMS ================== */
.contact-form {
    max-width: 700px;
    margin: 0 auto;
}
.form-group {
    margin-bottom: 1.2rem;
    display: flex;
    flex-direction: column;
}
.form-group label {
    margin-bottom: 6px;
    font-weight: 600;
}
.form-group input,
.form-group textarea {
    padding: 12px 16px;
    border: 2px solid var(--color-gray);
    border-radius: 8px;
    font-family: 'Nunito', sans-serif;
    resize: vertical;
    transition: border-color var(--transition-fast);
}
.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

/* ================== MODAL ================== */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.8);
    justify-content: center;
    align-items: center;
    z-index: 10000;
}
.modal-content {
    background: var(--color-white);
    padding: 40px;
    border-radius: 16px;
    text-align: center;
    max-width: 420px;
    width: 90%;
    position: relative;
}
.close-modal {
    position: absolute;
    top: 14px;
    right: 14px;
    font-size: 1.8rem;
    color: var(--color-gray);
    cursor: pointer;
}

/* ================== SUCCESS PAGE ================== */
body.success-page {
    display: flex;
    min-height: 100vh;
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg,var(--color-primary-dark),var(--color-secondary-dark));
    color: var(--color-white);
    text-align: center;
}

/* ================== LEGAL PAGES ================== */
.legal-page {padding-top: 100px;}

/* ================== INPUT SWITCH ================== */
.switch {
    position: relative;
    display: inline-block;
    width: 46px;
    height: 26px;
}
.switch input {opacity:0;width:0;height:0;}
.slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background: var(--color-gray);
    transition: var(--transition-fast);
    border-radius: 34px;
}
.slider::before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: var(--transition-fast);
    border-radius: 50%;
}
input:checked + .slider {background: var(--color-primary);}
input:checked + .slider::before {transform: translateX(20px);}

/* ================== RANGE SLIDER ================== */
.custom-slider {
    -webkit-appearance: none;
    width: 100%;
    height: 6px;
    border-radius: 4px;
    background: var(--color-primary-light);
    outline: none;
}
.custom-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--color-accent);
    cursor: pointer;
    transition: var(--transition-fast);
}
.custom-slider::-webkit-slider-thumb:hover {background: var(--color-accent-light);}

/* ================== MEDIA QUERIES ================== */
@media (max-width:992px){
    .navigation {display:none;flex-direction:column;align-items:center;background:var(--color-white);position:absolute;top:100%;left:0;width:100%;padding:20px 0;}
    .navigation.open {display:flex;}
    .burger {display:flex;}
}

@media (max-width:600px){
    h1 {font-size:2.1rem;}
    h2 {font-size:1.8rem;}
    .hero {min-height:60vh;}
}
img{
    width: 100%;
    object-fit: cover;
}