:root {
    --Primary: #0b0f19;
    --Secondary: #7C9EB2;
    --Accent: #E88D53;
    --Tertiary: #38BDF8;
    --Gray-Light: #f8fafc;
    --Gray-Medium: #94a3b8;
    --Gray-Dark: #1e293b;
    --White: #ffffff;
    --bg-dark: rgba(11, 15, 25, 0.85);
    --Gap-2: 0.5rem;
    --Gap-3: 1rem;
    --Gap-4: 1.5rem;
    --Padding-container-x: clamp(1rem, 3vw, 2.5rem);
    --Container-max-width: 1320px;
    --Container-fluid: min(100% - (var(--Padding-container-x) * 2), var(--Container-max-width));
    --Outer-radius-sm: 16px;
}

/* ==========================================
   HEADER STRUCTURE & HIDE LOGIC
   ========================================== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    padding: var(--Gap-3) 0;
    background-color: var(--bg-dark);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    -webkit-backdrop-filter: blur(12px) saturate(180%);
    backdrop-filter: blur(12px) saturate(180%);
    /* Umbră discretă de 2px sub header */
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.25);
    /* Tranziție fluidă doar pentru mișcarea sus/jos pe ecran */
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Clasa aplicată la scroll în jos */
.site-header.is-hidden {
    transform: translateY(-100%);
}

.site-header__inner,
.container {
    width: var(--Container-fluid);
    margin-inline: auto;
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--Gap-4);
}

.site-header__brand,
.site-header__actions {
    display: flex;
    align-items: center;
}

.site-header__brand {
    flex-shrink: 0;
}

/* ==========================================
   LOGO STYLES
   ========================================== */
.custom-logo-link,
.site-logo {
    display: inline-flex;
    color: var(--White);
    font-size: 1.25rem;
    font-weight: 800;
    text-decoration: none;
    letter-spacing: -0.02em;
}

.logo {
    color: var(--White);
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    text-decoration: none;
}

.logo span {
    color: var(--Accent);
}

.custom-logo {
    display: block;
    height: clamp(42px, calc(24px + 4.24vw), 50px);
    width: auto;
}

.custom-logo-link:hover,
.custom-logo-link:focus-visible,
.site-logo:hover,
.site-logo:focus-visible {
    color: var(--White);
}

/* ==========================================
   NAVIGATION & MENUS
   ========================================== */
.site-header__nav {
    display: flex;
    justify-content: end;
    flex: 1;
}

.nav-links,
.nav-links .sub-menu {
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--Gap-4);
}

.nav-links--mobile {
    display: none !important;
}

.nav-links > li {
    position: relative;
}

.nav-links a {
    display: inline-flex;
    align-items: center;
    color: var(--White);
    font-size: var(--step-0);
    font-weight: 500;
    text-decoration: none;
    transition: color 0.3s ease-in-out;
}

.nav-links > li > a {
    font-size: 16px;
    padding: var(--Gap-2) 0;
}

.nav-links a:hover,
.nav-links a:focus-visible,
.nav-links .current-menu-item > a,
.nav-links .current-menu-ancestor > a,
.nav-links .current-menu-parent > a {
    color: var(--Tertiary);
}

/* Submenu */
.sub-menu {
    position: absolute;
    top: calc(100% + var(--Gap-2));
    left: 0;
    min-width: 200px;
    padding: var(--Gap-2) var(--Gap-3);
    background-color: var(--bg-dark);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--Outer-radius-sm);
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    -webkit-backdrop-filter: blur(12px) saturate(180%);
    backdrop-filter: blur(12px) saturate(180%);
    transition: opacity 0.22s ease, transform 0.22s ease, visibility 0.22s ease;
}

.nav-links > li:hover > .sub-menu,
.nav-links > li:focus-within > .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.sub-menu a {
    display: block;
    padding: var(--Gap-2) var(--Gap-2);
    color: var(--White);
    font-size: var(--step-0);
    white-space: nowrap;
}

.sub-menu a:hover,
.sub-menu a:focus-visible,
.sub-menu .current-menu-item > a,
.sub-menu .current-menu-ancestor > a,
.sub-menu .current-menu-parent > a {
    color: var(--Tertiary);
}

/* ==========================================
   BUTTONS & HEADER ACTIONS
   ========================================== */
.site-header__actions {
    gap: var(--Gap-2);
    flex-shrink: 0;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 6px var(--Btn-padding-x, clamp(1rem, 0.73rem + 1.36vw, 1.75rem));
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(56, 189, 248, 0.2);
    border-radius: var(--Outer-radius-sm);
    color: var(--White);
    font-weight: 600;
    font-size: 16px;
    text-decoration: none;
    transition: background-color 0.3s ease-in-out, border-color 0.3s ease-in-out, color 0.3s ease-in-out;
}

.btn-secondary:hover,
.btn-secondary:focus-visible,
.btn-secondary:active {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: var(--Tertiary);
    color: var(--Tertiary);
}

/* ==========================================
   CUSTOM ATOM CLASSES & TWEAKS
   ========================================== */

/* 1. Secondary Button Atom */
.btn-atom-secondary,
.btn-atom-secondary a,
.btn-atom-secondary button,
.btn-atom-secondary .elementor-button,
.btn-atom-secondary .e-a-btn,
.btn-atom-secondary [class*="atom"] {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    padding: 6px var(--Btn-padding-x, clamp(1rem, 0.73rem + 1.36vw, 1.75rem)) !important;
    background-color: rgba(255, 255, 255, 0.05) !important;
    border: 1px solid rgba(56, 189, 248, 0.2) !important;
    border-radius: var(--Outer-radius-sm) !important;
    color: var(--White) !important;
    font-weight: 600 !important;
    font-size: 16px !important;
    text-decoration: none !important;
    transition: background-color 0.3s ease-in-out, border-color 0.3s ease-in-out, color 0.3s ease-in-out !important;
}

.btn-atom-secondary:hover,
.btn-atom-secondary:focus-visible,
.btn-atom-secondary:active,
.btn-atom-secondary a:hover,
.btn-atom-secondary a:focus-visible,
.btn-atom-secondary a:active,
.btn-atom-secondary button:hover,
.btn-atom-secondary button:focus-visible,
.btn-atom-secondary button:active,
.btn-atom-secondary .elementor-button:hover,
.btn-atom-secondary .elementor-button:focus-visible,
.btn-atom-secondary .elementor-button:active,
.btn-atom-secondary .e-a-btn:hover,
.btn-atom-secondary .e-a-btn:focus-visible,
.btn-atom-secondary .e-a-btn:active,
.btn-atom-secondary [class*="atom"]:hover,
.btn-atom-secondary [class*="atom"]:focus-visible,
.btn-atom-secondary [class*="atom"]:active {
    background-color: rgba(255, 255, 255, 0.1) !important;
    border-color: var(--Tertiary) !important;
    color: var(--Tertiary) !important;
}

/* 2. Clear Button Atom */
.btn-atom-clear,
.btn-atom-clear a,
.btn-atom-clear button,
.btn-atom-clear .elementor-button,
.btn-atom-clear .e-a-btn,
.btn-atom-clear [class*="atom"] {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    padding: 6px var(--Btn-padding-x, clamp(1rem, 0.73rem + 1.36vw, 1.75rem)) !important;
    background-color: transparent !important;
    border: 1px solid rgba(232, 141, 83, 0.2) !important;
    border-radius: var(--Outer-radius-sm) !important;
    color: var(--White) !important;
    font-weight: 600 !important;
    font-size: 16px !important;
    text-decoration: none !important;
    transition: background-color 0.3s ease-in-out, border-color 0.3s ease-in-out, color 0.3s ease-in-out !important;
}

.btn-atom-clear:hover,
.btn-atom-clear:focus-visible,
.btn-atom-clear:active,
.btn-atom-clear a:hover,
.btn-atom-clear a:focus-visible,
.btn-atom-clear a:active,
.btn-atom-clear button:hover,
.btn-atom-clear button:focus-visible,
.btn-atom-clear button:active,
.btn-atom-clear .elementor-button:hover,
.btn-atom-clear .elementor-button:focus-visible,
.btn-atom-clear .elementor-button:active,
.btn-atom-clear .e-a-btn:hover,
.btn-atom-clear .e-a-btn:focus-visible,
.btn-atom-clear .e-a-btn:active,
.btn-atom-clear [class*="atom"]:hover,
.btn-atom-clear [class*="atom"]:focus-visible,
.btn-atom-clear [class*="atom"]:active {
    border-color: var(--Accent) !important;
    color: var(--Accent) !important;
}

.hover-p {
    transition: color 0.3s ease-in-out !important;
}
.hover-p:hover {
    color: var(--Accent) !important;
}

/* ==========================================
   MOBILE TOGGLE & RESPONSIVE MENU
   ========================================== */
.mobile-toggle {
    display: none;
    width: 44px;
    height: 44px;
    padding: 0;
    background: transparent;
    border: 0;
    cursor: pointer;
}

.mobile-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    margin: 5px auto;
    background-color: var(--White);
    border-radius: 999px;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.site-header.menu-open .mobile-toggle span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.site-header.menu-open .mobile-toggle span:nth-child(2) {
    opacity: 0;
}

.site-header.menu-open .mobile-toggle span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 870px) {
    .site-header__nav {
        position: absolute;
        top: 100%;
        left: 0;
        display: none;
        width: 100%;
        margin-inline: 0;
        padding: var(--Gap-2) var(--Gap-3);
        background-color: var(--bg-dark);
        border-top: 1px solid rgba(255, 255, 255, 0.08);
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        border-radius: 0;
        -webkit-backdrop-filter: blur(12px) saturate(180%);
        backdrop-filter: blur(12px) saturate(180%);
        transform: none;
    }

    .site-header.menu-open .site-header__nav {
        display: block;
    }

    .nav-links {
        display: block;
    }

    .nav-links--desktop {
        display: none !important;
    }

    .nav-links--mobile {
        display: block !important;
    }

    .nav-links > li:last-child {
        border-bottom: 0;
    }

    .nav-links > li > a {
        display: block;
        padding: var(--Gap-3) 0;
    }

    .sub-menu {
        position: static;
        min-width: 0;
        padding: var(--Gap-3) var(--Gap-3);
        background: transparent;
        border: 0;
        border-radius: 0;
        opacity: 1;
        visibility: visible;
        transform: none;
        backdrop-filter: none;
    }

    .sub-menu a {
        padding: var(--Gap-3);
    }

    .site-header__actions .btn-secondary {
        display: none;
    }

    .mobile-toggle {
        display: block;
    }
}

@media (prefers-reduced-motion: reduce) {
    .site-header *,
    .site-header *::before,
    .site-header *::after {
        transition-duration: 0.01ms;
    }
}