/* ========================================
   HELI3000 - LAYOUT CSS
   ======================================== */

/* ========================================
   HEADER & NAVIGATION
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    max-width: 100vw;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: var(--z-fixed);
    padding: var(--spacing-md) 0;
    transition: all var(--transition-normal);
    transform: translateZ(0);
    -webkit-transform: translateZ(0);
}

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

.nav-logo h2 {
    color: var(--color-text-white);
    font-size: var(--font-size-2xl);
    margin: 0;
    font-weight: var(--font-weight-bold);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.nav-link {
    color: var(--color-text-white);
    font-weight: var(--font-weight-bold);
    text-decoration: none;
    transition: color var(--transition-normal);
    position: relative;
    margin: 0 var(--spacing-sm);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    min-width: var(--touch-target-min);
    min-height: var(--touch-target-min);
    justify-content: center;
    align-items: center;
}

.nav-toggle:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.05);
}

.nav-toggle.active .bar:nth-child(1) {
    transform: rotate(-42deg) translate(-7px, 6px);
}

.nav-toggle.active .bar:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active .bar:nth-child(3) {
    transform: rotate(42deg) translate(-7px, -6px);
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--color-text-white);
    margin: 3px 0;
    transition: var(--transition-normal);
    border-radius: 2px;
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    background: var(--color-bg-dark);
    color: var(--color-text-white);
    padding: var(--spacing-4xl) 0 var(--spacing-2xl);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-3xl);
    text-align: center;
}

.footer-section h3 {
    color: var(--color-text-white);
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-md);
    line-height: var(--line-height-relaxed);
}

.footer-links {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: var(--spacing-md);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: all var(--transition-normal);
    display: inline-block;
    padding: var(--spacing-xs) 0;
}

.footer-links a:hover {
    color: var(--color-text-white);
    transform: translateX(5px);
}

.newsletter-form {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    flex-direction: column;
}

.newsletter-form input {
    flex: 1;
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-full);
    font-size: var(--font-size-base);
    min-height: var(--touch-target-min);
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-text-white);
    transition: all var(--transition-normal);
    text-align: center;
}

.newsletter-form input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.newsletter-form input:focus {
    background: rgba(255, 255, 255, 0.2);
    outline: none;
}

.newsletter-form .btn {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-base);
    min-width: 120px;
    text-align: center;
    white-space: nowrap;
    min-height: var(--touch-target-min);
    background: var(--gradient-primary);
    border: none;
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
    justify-content: center;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    background: var(--color-primary);
    color: var(--color-text-white);
    border-radius: var(--radius-full);
    transition: all var(--transition-normal);
    font-size: var(--font-size-lg);
}

.social-links a:hover {
    background: var(--color-primary);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--font-size-sm);
}