/* =================================================================== */
/*                      ROOT & VARIABLE DEFINITIONS                    */
/* =================================================================== */

:root {
    /* Color Palette (Analogous: Blue, Teal, Green-Blue) */
    --color-primary: #00AEEF; /* YPF Bright Blue */
    --color-primary-dark: #008fbf;
    --color-secondary: #0078C1; /* Deeper Blue */
    --color-accent: #4DD0E1; /* Cyan/Teal Accent */
    --color-dark: #0A1428; /* Very Dark Navy Blue */
    --color-dark-lighten: #142240;
    --color-light: #F0F8FF; /* Alice Blue */
    --color-text: #E0EFFF; /* Light blue-white text on dark bg */
    --color-text-dark: #333333;
    --color-white: #FFFFFF;
    --color-black: #000000;
    --color-border: rgba(224, 239, 255, 0.2);

    /* Typography */
    --font-primary: 'Space Grotesk', sans-serif;
    --font-secondary: 'DM Sans', sans-serif;

    /* Spacing & Sizing */
    --header-height: 80px;
    --container-width: 1140px;
    --container-padding: 20px;
    
    /* Effects */
    --border-radius-sm: 8px;
    --border-radius-md: 15px; /* Biomorphic curves */
    --border-radius-lg: 25px;
    --shadow-light: 0 4px 15px rgba(0, 174, 239, 0.1);
    --shadow-dark: 0 8px 30px rgba(0, 0, 0, 0.4);
    --transition-speed: 0.4s;
    --easing: cubic-bezier(0.25, 1, 0.5, 1); /* Non-linear motion */
}

/* =================================================================== */
/*                         GLOBAL & BASE STYLES                        */
/* =================================================================== */

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background-color: var(--color-light);
    color: var(--color-text-dark);
    font-family: var(--font-secondary);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-text-dark);
    text-shadow: 1px 1px 3px rgba(0,0,0,0.1);
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; margin-bottom: 1.5rem; text-align: center; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: 1rem;
    max-width: 70ch; /* For readability */
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-speed) ease;
}

a:hover {
    color: var(--color-primary-dark);
}

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

ul {
    list-style: none;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.section {
    padding: 60px 0;
}

.section-dark {
    background-color: var(--color-dark);
    color: var(--color-text);
    position: relative;
}

.section-dark h1, .section-dark h2, .section-dark h3, .section-dark h4 {
    color: var(--color-white);
    text-shadow: 1px 1px 3px rgba(0,0,0,0.5);
}

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

.section-subtitle {
    font-size: 1.1rem;
    color: #6c757d;
    text-align: center;
    margin: -1rem auto 3rem auto;
}

.section-dark .section-subtitle {
    color: rgba(224, 239, 255, 0.7);
}

.grid-2-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.grid-3-col {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.column.is-two-thirds,
.column.is-two-thirds-centered {
    width: 66.66%;
    max-width: 800px;
}
.column.is-two-thirds-centered {
    margin-left: auto;
    margin-right: auto;
}

/* =================================================================== */
/*                        REUSABLE UI COMPONENTS                       */
/* =================================================================== */

.button-primary, button, input[type='submit'] {
    display: inline-block;
    background: linear-gradient(45deg, var(--color-primary), var(--color-accent));
    color: var(--color-white);
    font-family: var(--font-primary);
    font-weight: 500;
    font-size: 1rem;
    padding: 14px 35px;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all var(--transition-speed) var(--easing);
    box-shadow: var(--shadow-light);
    transform: translateY(0);
}

.button-primary:hover, button:hover, input[type='submit']:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 174, 239, 0.4);
}

.card {
    background-color: var(--color-white);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-light);
    overflow: hidden;
    transition: transform var(--transition-speed) var(--easing), box-shadow var(--transition-speed) var(--easing);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    height: 100%;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 12px 35px rgba(0, 174, 239, 0.2);
}

.card-image {
    width: 100%;
    height: 220px;
    overflow: hidden;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-speed) ease;
}

.card:hover .card-image img {
    transform: scale(1.05);
}

.card-content {
    padding: 25px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.card-title {
    margin-bottom: 1rem;
}

.card-text {
    font-size: 0.95rem;
    color: #555;
    flex-grow: 1;
}

/* =================================================================== */
/*                         HEADER & NAVIGATION                         */
/* =================================================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: background-color var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
    padding: 15px 0;
}

.header.scrolled {
    background-color: rgba(10, 20, 40, 0.85);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: var(--header-height);
}

.navbar-logo {
    font-family: var(--font-primary);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-white);
}

.navbar-list {
    display: flex;
    align-items: center;
    gap: 35px;
}

.navbar-link {
    font-family: var(--font-secondary);
    font-weight: 500;
    font-size: 1rem;
    color: var(--color-text);
    position: relative;
    padding: 5px 0;
}

.navbar-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--color-accent);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--transition-speed) var(--easing);
}

.navbar-link:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

.navbar-link.contact-button {
    background: var(--color-primary);
    padding: 8px 20px;
    border-radius: 50px;
    color: var(--color-white);
    transition: background-color var(--transition-speed) ease;
}

.navbar-link.contact-button:hover {
    background: var(--color-primary-dark);
}

.navbar-link.contact-button::after {
    display: none;
}

.navbar-toggle {
    display: none;
    cursor: pointer;
    width: 30px;
    height: 22px;
    flex-direction: column;
    justify-content: space-between;
}

.bar {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--color-white);
    border-radius: 2px;
    transition: all var(--transition-speed) ease;
}

/* =================================================================== */
/*                              HERO SECTION                           */
/* =================================================================== */

.hero-section {
    height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--color-white);
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    background-attachment: fixed;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(10, 20, 40, 0.8) 0%, rgba(10, 20, 40, 0.3) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 4.5rem;
    color: var(--color-white);
    text-shadow: 2px 2px 8px rgba(0,0,0,0.7);
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1.2rem;
    max-width: 650px;
    margin: 0 auto 2.5rem auto;
    color: var(--color-text);
}

/* =================================================================== */
/*                             VISION SECTION                          */
/* =================================================================== */

.parallax-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    background-attachment: fixed;
    filter: brightness(0.4);
    z-index: -1;
}

.progress-container {
    margin-top: 3rem;
}

.progress-item {
    text-align: left;
}

.progress-title {
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background-color: var(--color-dark-lighten);
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-secondary), var(--color-accent));
    border-radius: 4px;
    transition: width 1.5s var(--easing);
}

.progress-label {
    text-align: right;
    margin-top: 0.5rem;
    font-size: 0.9rem;
    color: var(--color-text);
    font-family: var(--font-primary);
}


/* =================================================================== */
/*                             PROJECTS SECTION (ACCORDION)            */
/* =================================================================== */
.accordion-container {
    max-width: 800px;
    margin: 0 auto;
}
.accordion-item {
    background-color: var(--color-white);
    margin-bottom: 15px;
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-light);
    border: 1px solid #e0e0e0;
}
.accordion-header {
    width: 100%;
    background-color: transparent;
    border: none;
    padding: 20px;
    font-family: var(--font-primary);
    font-size: 1.2rem;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--color-text-dark);
}
.accordion-icon {
    font-size: 1.5rem;
    font-weight: 700;
    transition: transform var(--transition-speed) var(--easing);
    color: var(--color-primary);
}
.accordion-item.active .accordion-icon {
    transform: rotate(45deg);
}
.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-speed) var(--easing), padding var(--transition-speed) ease;
}
.accordion-content p {
    padding: 0 20px 20px 20px;
    margin: 0;
    color: #555;
    font-size: 0.95rem;
}

/* =================================================================== */
/*                       BEHIND THE SCENES SECTION                     */
/* =================================================================== */
#behind-the-scenes {
    padding: 80px 0;
}

#behind-the-scenes .section-text {
    background-color: rgba(10, 20, 40, 0.6);
    backdrop-filter: blur(5px);
    padding: 30px;
    border-radius: var(--border-radius-md);
    border: 1px solid var(--color-border);
}

/* =================================================================== */
/*                      EXTERNAL RESOURCES SECTION                     */
/* =================================================================== */
.resources-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}
.resource-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: var(--color-white);
    padding: 20px;
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-light);
    transition: all var(--transition-speed) var(--easing);
    border-left: 5px solid transparent;
}
.resource-item:hover {
    transform: translateX(10px);
    border-left-color: var(--color-accent);
}
.resource-title {
    font-size: 1.1rem;
    color: var(--color-secondary);
    margin-bottom: 5px;
}
.resource-description {
    font-size: 0.9rem;
    color: #666;
    margin: 0;
}
.resource-link-icon {
    font-size: 2rem;
    color: var(--color-primary);
    transition: transform var(--transition-speed) var(--easing);
}
.resource-item:hover .resource-link-icon {
    transform: translateX(5px);
}

/* =================================================================== */
/*                           CONTACT SECTION                           */
/* =================================================================== */

.contact-wrapper {
    gap: 60px;
}

.contact-info p {
    color: #555;
}

.contact-info strong {
    color: var(--color-text-dark);
}

.contact-form .form-group {
    position: relative;
    margin-bottom: 30px;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 15px 20px;
    border: 1px solid #ccc;
    border-radius: var(--border-radius-md);
    background-color: #f9f9f9;
    font-family: var(--font-secondary);
    font-size: 1rem;
    color: var(--color-text-dark);
    transition: border-color var(--transition-speed) ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 174, 239, 0.2);
}

.contact-form label {
    position: absolute;
    top: 15px;
    left: 20px;
    color: #999;
    pointer-events: none;
    transition: all var(--transition-speed) ease;
}

.contact-form input:focus + label,
.contact-form textarea:focus + label,
.contact-form input:not(:placeholder-shown) + label,
.contact-form textarea:not(:placeholder-shown) + label {
    top: -10px;
    left: 15px;
    font-size: 0.8rem;
    color: var(--color-primary);
    background-color: var(--color-light);
    padding: 0 5px;
}

.contact-form button {
    width: 100%;
}


/* =================================================================== */
/*                                FOOTER                               */
/* =================================================================== */

.footer {
    background-color: var(--color-dark);
    color: var(--color-text);
    padding: 60px 0 20px 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col p {
    color: rgba(224, 239, 255, 0.7);
    font-size: 0.95rem;
}

.footer-title {
    font-family: var(--font-primary);
    font-size: 1.3rem;
    color: var(--color-white);
    margin-bottom: 1.5rem;
}

.footer-list li {
    margin-bottom: 1rem;
}

.footer-list a {
    color: rgba(224, 239, 255, 0.7);
    transition: color var(--transition-speed) ease, padding-left var(--transition-speed) ease;
}

.footer-list a:hover {
    color: var(--color-white);
    padding-left: 5px;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--color-border);
    font-size: 0.9rem;
    color: rgba(224, 239, 255, 0.5);
}

/* =================================================================== */
/*                  SPECIAL PAGES (SUCCESS, LEGAL)                     */
/* =================================================================== */

.success-page-container, .legal-page-container {
    padding-top: var(--header-height);
    padding-bottom: 60px;
}

body.success-page {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background-color: var(--color-dark);
}

body.success-page main {
    flex-grow: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--color-white);
}

.success-content h1 {
    font-size: 3rem;
    color: var(--color-white);
}

.success-content p {
    color: var(--color-text);
}

.success-content .button-primary {
    margin-top: 2rem;
}

/* =================================================================== */
/*                         ANIMATION & UTILITIES                       */
/* =================================================================== */

.reveal-up, .reveal-fade, .reveal-left, .reveal-right {
    /*opacity: 0;*/
    transition: opacity 0.8s var(--easing), transform 0.8s var(--easing);
}
.reveal-up { transform: translateY(50px); }
.reveal-left { transform: translateX(-50px); }
.reveal-right { transform: translateX(50px); }
.reveal-fade { transform: scale(0.95); }

/* =================================================================== */
/*                           MEDIA QUERIES                             */
/* =================================================================== */

@media (max-width: 992px) {
    h1 { font-size: 2.8rem; }
    .hero-title { font-size: 3.5rem; }
    h2 { font-size: 2.2rem; }

    .grid-2-col, .grid-3-col {
        grid-template-columns: 1fr;
    }

    .contact-wrapper {
        gap: 40px;
    }

    .column.is-two-thirds,
    .column.is-two-thirds-centered {
        width: 100%;
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 70px;
    }
    
    .section {
        padding: 40px 0;
    }

    .navbar-toggle {
        display: flex;
        z-index: 1001;
    }

    .navbar-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background-color: var(--color-dark);
        display: flex;
        justify-content: center;
        align-items: center;
        transition: right var(--transition-speed) var(--easing);
    }
    
    .navbar-menu.active {
        right: 0;
    }

    .navbar-list {
        flex-direction: column;
        gap: 40px;
        text-align: center;
    }
    
    .navbar-link {
        font-size: 1.5rem;
    }
    
    /* Burger icon animation */
    .navbar-toggle.active .bar:nth-child(1) {
        transform: translateY(10px) rotate(45deg);
    }
    .navbar-toggle.active .bar:nth-child(2) {
        /*opacity: 0;*/
    }
    .navbar-toggle.active .bar:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }

    .hero-section {
        height: 90vh;
    }
    .hero-title { font-size: 2.5rem; }
    .hero-subtitle { font-size: 1.1rem; }

    .footer-grid {
        text-align: center;
    }
    .footer-col {
        margin-bottom: 20px;
    }
}
.navbar-toggle{
    display: none;
}