/* ============================================
   NAVIGATION STYLES
   ============================================ */

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: transparent;
    z-index: var(--z-fixed);
    transition: background-color var(--transition-base), box-shadow var(--transition-base);
}

.header.scrolled {
    background-color: rgba(17, 17, 17, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

/* Logo styles for image */
.nav__logo {
    display: flex;
    align-items: center;
    height: 100%;
}

.nav__logo-img {
    height: 50px;
    width: auto;
    object-fit: contain;
    transition: all var(--transition-base);
}

@media (max-width: 768px) {
    .nav__logo-img {
        height: 40px;
    }
}

@media (min-width: 1200px) {
    .nav__logo-img {
        height: 60px;
    }
}

.nav__menu {
    flex: 1;
}

.nav__list {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-8);
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav__item {
    list-style: none;
}

.nav__link {
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: var(--space-2) 0;
    position: relative;
}

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

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

/* Nav Actions */
.nav__actions {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

/* Mobile Toggle */
.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: var(--space-2);
}

.nav__toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--color-white);
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
}

.nav__close {
    display: none;
}

/* Dropdown */
.dropdown {
    position: relative;
}

.dropdown__menu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--color-dark);
    min-width: 220px;
    padding: var(--space-4);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-base);
    list-style: none;
}

.dropdown:hover .dropdown__menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown__link {
    display: block;
    padding: var(--space-3) var(--space-4);
    color: var(--color-white);
    font-size: var(--text-sm);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.dropdown__link:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
}

/* Mobile Menu */
@media (max-width: 768px) {
    .nav__menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 350px;
        height: 100vh;
        background-color: var(--color-dark);
        padding: var(--space-8);
        transition: right var(--transition-slow);
        overflow-y: auto;
    }

    .nav__menu.show {
        right: 0;
    }

    .nav__list {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-4);
        margin-top: var(--space-12);
    }

    .nav__toggle {
        display: flex;
    }

    .nav__close {
        display: block;
        position: absolute;
        top: var(--space-6);
        right: var(--space-6);
        font-size: var(--text-2xl);
        color: var(--color-white);
        cursor: pointer;
    }

    .dropdown__menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        margin-top: var(--space-2);
        margin-left: var(--space-4);
    }

    .nav__actions .btn {
        display: none;
    }
}

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

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding-top: 80px;
}

.hero__background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../img/hero-bg.jpg') no-repeat center center;
    background-size: cover;
    z-index: -2;
}

.hero__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg,
            rgba(45, 102, 175, 0.25) 0%,
            rgba(17, 17, 17, 0.85) 50%,
            rgba(17, 17, 17, 0.95) 100%);
    z-index: -1;
}

.hero__content {
    text-align: center;
    max-width: 900px;
    z-index: 1;
    padding: var(--space-12) var(--space-6);
}

.hero__pretitle {
    color: var(--color-primary);
    margin-bottom: var(--space-4);
    animation-delay: 0.1s;
}

.hero__title {
    font-size: var(--text-6xl);
    color: var(--color-white);
    margin-bottom: var(--space-6);
    line-height: 1.1;
    animation-delay: 0.2s;
}

.hero__subtitle {
    font-size: var(--text-xl);
    color: var(--color-light);
    margin-bottom: var(--space-10);
    line-height: 1.6;
    animation-delay: 0.3s;
}

.hero__cta {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    flex-wrap: wrap;
    animation-delay: 0.4s;
}

.hero__scroll {
    position: absolute;
    bottom: var(--space-8);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    color: var(--color-white);
    font-size: var(--text-sm);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    animation: fadeIn 1s ease-out 0.8s both;
}

.hero__scroll::after {
    content: '';
    width: 2px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-primary), transparent);
    animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {

    0%,
    100% {
        opacity: 0;
        transform: translateY(0);
    }

    50% {
        opacity: 1;
        transform: translateY(10px);
    }
}

/* Hero Responsive */
@media (max-width: 768px) {
    .hero {
        min-height: 90vh;
    }

    .hero__title {
        font-size: var(--text-4xl);
    }

    .hero__subtitle {
        font-size: var(--text-lg);
    }

    .hero__cta {
        flex-direction: column;
        align-items: stretch;
    }
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
    display: inline-block;
    padding: var(--space-4) var(--space-8);
    font-family: var(--font-heading);
    font-size: var(--text-base);
    font-weight: 600;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    cursor: pointer;
    border: 2px solid transparent;
    text-decoration: none;
}

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

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

.btn-outline {
    background-color: transparent;
    color: var(--color-white);
    border-color: var(--color-white);
}

.btn-outline:hover {
    background-color: var(--color-white);
    color: var(--color-dark);
}

.btn-large {
    padding: var(--space-5) var(--space-10);
    font-size: var(--text-lg);
}

.btn-small {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
}

/* ============================================
   CARDS
   ============================================ */

.card {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

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

.card__image {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.card__content {
    padding: var(--space-6);
}

.card__title {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    color: var(--color-dark);
    margin-bottom: var(--space-3);
}

.card__text {
    color: var(--color-gray);
    line-height: 1.6;
    margin-bottom: var(--space-4);
}

.card__footer {
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid var(--color-border);
    background-color: var(--color-background);
}