@import 'variables.css';

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

html {
    scroll-behavior: smooth;
    font-size: var(--font-size-base);
}

body {
    font-family: var(--font-family-base);
    color: var(--color-text-main);
    background-color: var(--color-bg-body);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-base);
}

ul {
    list-style: none;
}

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

button {
    cursor: pointer;
    font-family: inherit;
}

/* Utility Classes */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.section {
    padding: var(--spacing-2xl) 0;
}

.section__title {
    font-size: var(--font-size-3xl);
    text-align: center;
    margin-bottom: var(--spacing-xl);
    position: relative;
    padding-bottom: var(--spacing-sm);
}

.section__title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background-color: var(--color-primary-red);
}

/* Header & Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    display: flex;
    align-items: center;
    transition: var(--transition-base);
}

.header__container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.header__logo {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-primary-blue);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.nav__list {
    display: flex;
    gap: var(--spacing-md);
}

.nav__link {
    font-weight: 500;
    color: var(--color-text-main);
    padding: var(--spacing-xs) 0;
    position: relative;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary-red);
    transition: var(--transition-base);
}

.nav__link:hover {
    color: var(--color-primary-red);
}

.nav__link:hover::after {
    width: 100%;
}

/* Hero Section */
.hero {
    height: 100vh;
    width: 100%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    text-align: center;
    overflow: hidden;
    margin-top: 0;
}

.hero__video-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -1;
}

.hero__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(44, 79, 124, 0.6), rgba(188, 65, 43, 0.4));
    z-index: 0;
}

.hero__content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    padding: var(--spacing-md);
    animation: fadeInUp 1s ease-out;
}

.hero__title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.hero__subtitle {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-lg);
    font-weight: 300;
}

.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    font-weight: 600;
    transition: var(--transition-base);
    border: none;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn--primary {
    background-color: var(--color-primary-red);
    color: var(--color-white);
}

.btn--primary:hover {
    background-color: #a33622;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* About Section */
.about {
    background-color: var(--color-bg-light);
}

.about__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
}

@media (min-width: 768px) {
    .about__grid {
        grid-template-columns: 1fr 1fr;
        align-items: start;
    }
}

.info-card {
    background: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

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

.info-card__item {
    margin-bottom: var(--spacing-sm);
    display: flex;
    flex-direction: column;
}

.info-card__label {
    font-weight: 600;
    color: var(--color-primary-blue);
    margin-bottom: 0.25rem;
}

.scope__content {
    position: relative;
    overflow: hidden;
    transition: max-height 0.5s ease-out;
}

.scope__content--collapsed {
    max-height: 100px; /* Adjust based on desired initial height */
}

.scope__content--collapsed::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 50px;
    background: linear-gradient(transparent, var(--color-white));
    pointer-events: none;
}

.scope__toggle {
    display: inline-block;
    margin-top: var(--spacing-xs);
    color: var(--color-primary-blue);
    font-weight: 600;
    background: none;
    border: none;
    padding: 0;
    font-size: var(--font-size-sm);
}

.scope__toggle:hover {
    text-decoration: underline;
}

/* Footer */
.footer {
    background-color: var(--color-primary-blue);
    color: var(--color-white);
    padding: var(--spacing-xl) 0 var(--spacing-md);
    margin-top: auto;
}

.footer__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

@media (min-width: 768px) {
    .footer__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.footer__column h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
    position: relative;
    padding-bottom: var(--spacing-xs);
}

.footer__column h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--color-primary-red);
}

.footer__contact p {
    margin-bottom: var(--spacing-xs);
}

.footer__bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: var(--spacing-md);
    text-align: center;
    font-size: var(--font-size-sm);
    color: rgba(255,255,255,0.8);
}

.icp-link {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    color: inherit;
    transition: var(--transition-base);
}

.icp-link:hover {
    color: var(--color-white);
    text-decoration: underline;
}

/* Back to Top */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--color-primary-red);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
    z-index: 999;
    border: none;
    font-size: 24px;
}

.back-to-top.is-visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
    background-color: #a33622;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Helpers */
@media (max-width: 768px) {
    .section__title {
        font-size: var(--font-size-2xl);
    }
    
    .hero__title {
        font-size: var(--font-size-2xl);
    }
    
    .header__container {
        flex-direction: column;
        padding: var(--spacing-xs);
    }
    
    .header {
        height: auto;
        padding: var(--spacing-xs) 0;
    }
    
    .nav__list {
        margin-top: var(--spacing-xs);
        gap: var(--spacing-sm);
        flex-wrap: wrap;
        justify-content: center;
    }
}