/**
 * Layout Styles - Orvit Cosmos Stargaze
 * 
 * @package Orvit_Cosmos
 * @since 1.0.0
 */

/* ============================================
   HEADER - Dark Stargaze Theme
============================================ */

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height, 80px);
    z-index: 1000;
    background: transparent;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.site-header.is-scrolled {
    background: var(--gradient-cosmic);
    box-shadow: 0 10px 30px -10px rgba(123, 47, 247, 0.3);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    --header-height: 70px;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    padding: 0 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

/* Logo */
.site-logo {
    display: flex;
    align-items: center;
    z-index: 2;
}

.site-logo a {
    display: flex;
    align-items: center;
    color: #ffffff;
    font-size: 1.25rem;
    font-weight: 700;
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.site-logo a:hover {
    opacity: 0.8;
}

.site-logo img {
    max-height: 40px;
    width: auto;
}

/* Navigation */
.main-navigation {
    display: flex;
    align-items: center;
}

.primary-menu {
    display: flex;
    align-items: center;
    gap: 2.5rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.primary-menu a {
    position: relative;
    display: block;
    padding: 0.5rem 0;
    color: rgba(255, 255, 255, 0.85);
    font-weight: 500;
    font-size: 0.9375rem;
    text-decoration: none;
    transition: color 0.3s ease;
}

.primary-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--stargaze-cyan, #00d4ff);
    transition: width 0.3s ease;
}

.primary-menu a:hover {
    color: #ffffff;
}

.primary-menu a:hover::after {
    width: 100%;
}

.primary-menu .current-menu-item a {
    color: var(--stargaze-cyan, #00d4ff);
}

.primary-menu .current-menu-item a::after {
    width: 100%;
}

/* Menu Toggle (mobile) */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
    padding: 0;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: #ffffff;
    transition: all 0.3s ease;
    transform-origin: center;
}

.menu-toggle span:not(:last-child) {
    margin-bottom: 6px;
}

.menu-toggle.is-active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.menu-toggle.is-active span:nth-child(2) {
    opacity: 0;
    transform: translateX(-10px);
}

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

/* Mobile Menu - Off Canvas Gradient */
.mobile-menu {
    position: fixed;
    top: 0;
    right: 0;
    width: 100%;
    max-width: 100%;
    /* Full screen on mobile */
    height: 100vh;
    height: 100dvh;
    background: linear-gradient(180deg, var(--stargaze-darker) 0%, #1a0a2e 100%);
    padding: 8rem 2rem 2rem;
    z-index: 999;
    transform: translateX(100%);
    opacity: 0;
    pointer-events: none;
    overflow-y: auto;
    transition: transform 0.5s cubic-bezier(0.77, 0, 0.175, 1), opacity 0.5s ease;
}

@media (min-width: 768px) {
    .mobile-menu {
        max-width: 450px;
        /* Side panel on tablet+ */
        background: rgba(10, 10, 26, 0.95);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-left: 1px solid rgba(255, 255, 255, 0.1);
    }
}

.mobile-menu.is-open {
    transform: translateX(0);
    opacity: 1;
    pointer-events: all;
}

.mobile-menu-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    list-style: none;
    padding: 0;
    margin: 0;
}

.mobile-menu-list a {
    display: block;
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.5rem;
    font-weight: 600;
    padding: 1rem 0;
    text-decoration: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: color 0.3s ease;
}

.mobile-menu-list a:hover {
    color: var(--stargaze-cyan, #00d4ff);
}

/* ============================================
   MAIN CONTENT
============================================ */

.site-main {
    min-height: 100vh;
    /* Removed padding-top - sections handle their own spacing */
}

/* ============================================
   SMOOTH SCROLL WRAPPER
============================================ */

#smooth-wrapper {
    overflow: hidden;
    position: relative;
}

#smooth-content {
    will-change: transform;
}

/* ============================================
   GRID SYSTEM
============================================ */

.grid {
    display: grid;
    gap: 2rem;
}

.grid-cols-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-cols-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-cols-4 {
    grid-template-columns: repeat(4, 1fr);
}

/* ============================================
   FLEXBOX UTILITIES
============================================ */

.flex {
    display: flex;
}

.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

.flex-between {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.flex-col {
    flex-direction: column;
}

/* ============================================
   RESPONSIVE
============================================ */

@media (max-width: 1024px) {
    .main-navigation {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

    .grid-cols-3,
    .grid-cols-4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .header-inner {
        padding: 0 1.5rem;
    }
}

@media (max-width: 768px) {
    .mobile-menu {
        max-width: 100%;
    }

    .grid-cols-2,
    .grid-cols-3,
    .grid-cols-4 {
        grid-template-columns: 1fr;
    }

    .header-inner {
        padding: 0 1rem;
    }
}