/* ============================================
   GOLDSTEP CAPITAL LTD - Header Styles
   Navigation, Logo, Mobile Menu
   ============================================ */

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 50%, #0d0d0d 100%);
    transition: var(--transition-normal);
}

/* Starry background effect */
.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(2px 2px at 20px 30px, rgba(255,255,255,0.3), transparent),
        radial-gradient(2px 2px at 40px 70px, rgba(255,255,255,0.2), transparent),
        radial-gradient(1px 1px at 90px 40px, rgba(255,255,255,0.4), transparent),
        radial-gradient(2px 2px at 130px 80px, rgba(255,255,255,0.2), transparent),
        radial-gradient(1px 1px at 160px 20px, rgba(255,255,255,0.3), transparent),
        radial-gradient(2px 2px at 200px 50px, rgba(255,255,255,0.15), transparent),
        radial-gradient(1px 1px at 250px 35px, rgba(255,255,255,0.25), transparent),
        radial-gradient(2px 2px at 300px 70px, rgba(255,255,255,0.2), transparent),
        radial-gradient(1px 1px at 350px 25px, rgba(255,255,255,0.35), transparent),
        radial-gradient(2px 2px at 400px 60px, rgba(255,255,255,0.15), transparent),
        radial-gradient(1px 1px at 450px 40px, rgba(255,255,255,0.3), transparent),
        radial-gradient(2px 2px at 500px 80px, rgba(255,255,255,0.2), transparent),
        radial-gradient(1px 1px at 550px 30px, rgba(255,255,255,0.25), transparent),
        radial-gradient(2px 2px at 600px 55px, rgba(255,255,255,0.15), transparent),
        radial-gradient(1px 1px at 700px 45px, rgba(255,255,255,0.3), transparent),
        radial-gradient(2px 2px at 800px 65px, rgba(255,255,255,0.2), transparent),
        radial-gradient(1px 1px at 900px 35px, rgba(255,255,255,0.25), transparent),
        radial-gradient(2px 2px at 1000px 75px, rgba(255,255,255,0.15), transparent),
        radial-gradient(1px 1px at 1100px 25px, rgba(255,255,255,0.3), transparent),
        radial-gradient(2px 2px at 1200px 50px, rgba(255,255,255,0.2), transparent);
    background-size: 100% 100%;
    pointer-events: none;
    z-index: 0;
}

.header.scrolled {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 20px;
    max-width: 1400px;
    position: relative;
    z-index: 1;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.logo img {
    height: 44px;
    width: auto;
    max-width: 200px;
    object-fit: contain;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--white);
    text-decoration: underline;
    text-decoration-thickness: 3px;
    text-underline-offset: 4px;
}

.logo-text span {
    color: var(--gold-primary);
}

/* Main Navigation */
.main-nav {
    display: flex;
    align-items: center;
    gap: 25px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-menu li {
    position: relative;
}

.nav-menu a {
    font-size: 0.95rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.85);
    padding: 10px 0;
    position: relative;
    white-space: nowrap;
    transition: var(--transition-normal);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gold-primary);
    transition: var(--transition-normal);
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--gold-primary);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: 100%;
}

/* Header Phone Button */
.header-phone {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--gold-primary);
    color: var(--black);
    padding: 12px 20px;
    border-radius: 4px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition-normal);
    white-space: nowrap;
    flex-shrink: 0;
}

.header-phone:hover {
    background: var(--gold-light);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.4);
}

.header-phone i {
    font-size: 0.9rem;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    padding: 5px;
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--white);
    border-radius: 2px;
    transition: var(--transition-normal);
}

/* ============================================
   HEADER RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }

    /* Shrink logo on mobile */
    .logo img {
        height: 32px;
    }

    .logo-text {
        font-size: 1.05rem;
    }

    /* Slide-down mobile nav */
    .main-nav {
        position: fixed;
        top: 48px; /* match collapsed header height */
        left: 0;
        width: 100%;
        background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 50%, #0d0d0d 100%);
        flex-direction: column;
        align-items: flex-start;
        padding: 24px 20px 30px;
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
        transform: translateY(-110%);
        opacity: 0;
        pointer-events: none;
        transition: transform 0.35s ease, opacity 0.35s ease;
        z-index: 999;
    }

    .main-nav.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }

    .nav-menu {
        flex-direction: column;
        gap: 0;
        width: 100%;
    }

    .nav-menu li {
        width: 100%;
        border-bottom: 1px solid rgba(255,255,255,0.07);
    }

    .nav-menu li:first-child {
        border-top: 1px solid rgba(255,255,255,0.07);
    }

    .nav-menu a {
        display: block;
        padding: 14px 0;
        font-size: 1rem;
        color: rgba(255, 255, 255, 0.85);
    }

    .nav-menu a::after {
        display: none; /* hide underline on mobile */
    }

    .nav-menu a:hover,
    .nav-menu a.active {
        color: var(--gold-primary);
        padding-left: 8px;
    }

    .header-phone {
        margin-top: 20px;
        width: 100%;
        justify-content: center;
    }

    /* Hamburger → X animation */
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
        transform: scaleX(0);
    }

    .mobile-menu-toggle.active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
}

@media (max-width: 480px) {
    .logo img {
        height: 26px;
    }

    .logo-text {
        font-size: 0.95rem;
    }

    .header .container {
        padding: 6px 14px;
    }
}