/* css/components.css */

/* ===== LOADER ===== */
.loader {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background-color: var(--black);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: var(--z-index-loader);
    transition: opacity var(--transition-medium), visibility var(--transition-medium);
    opacity: 1;
    visibility: visible;
}
.loader.hidden {
    opacity: 0;
    visibility: hidden;
}
.loader-content {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%; height: 100%;
}
#loader-image {
    max-width: 150px;
    max-height: 150px;
    width: auto; height: auto;
}

/* ===== LOGO STYLING ===== */
.logo a {
    display: inline-block;
    line-height: 0;
}
.logo a:hover {
    opacity: 0.9;
    color: inherit;
}
.header-logo-img {
    height: 35px;
    width: auto;
    vertical-align: middle;
}
.scrolled-nav .header-logo-img {
    height: 30px;
}
.footer-logo-img {
    height: 45px;
    width: auto;
}


/* ===== NAVIGATION ===== */
.header-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    z-index: var(--z-index-overlay);
    padding: var(--space-sm) var(--space-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color var(--transition-medium), padding var(--transition-medium);
}
.scrolled-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: var(--z-index-scrolled-nav);
    background-color: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    padding: var(--space-xs) var(--space-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transform: translateY(-100%);
    transition: transform var(--transition-medium), opacity var(--transition-medium);
    opacity: 0;
    pointer-events: auto !important;
}
.scrolled-nav.visible {
    transform: translateY(0);
    opacity: 1;
}
.desktop-nav {
    display: none;
}
.desktop-nav ul {
    display: flex;
    gap: var(--space-sm);
    justify-content: flex-end;
}
.desktop-nav a {
    position: relative;
    font-weight: 500;
    padding: var(--space-xs) 0;
    color: var(--white);
    font-size: 0.9rem;
}
.desktop-nav a:hover {
    color: var(--accent);
}
.desktop-nav a::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0;
    width: 0; height: 2px;
    background-color: var(--accent);
    transition: width var(--transition-fast);
}
.desktop-nav a:hover::after,
.desktop-nav a.active::after {
    width: 100%;
}
.menu-toggle {
    width: 28px; height: 22px;
    position: relative;
    z-index: var(--z-index-menu-toggle);
    display: block;
    cursor: pointer;
}
.scrolled-nav .menu-toggle {
  display: block;
  pointer-events: auto !important;
  z-index: var(--z-index-menu-toggle);
}
.menu-toggle span {
    display: block;
    position: absolute;
    height: 2px; width: 100%;
    background-color: var(--white);
    opacity: 1; left: 0;
    transform: rotate(0deg);
    transition: all var(--transition-fast);
    transform-origin: left center;
}
.menu-toggle span:first-child { top: 0px; }
.menu-toggle span:last-child { top: 10px; }
body.menu-open .menu-toggle span:first-child { transform: rotate(45deg); top: -1px; left: 2px; }
body.menu-open .menu-toggle span:last-child { transform: rotate(-45deg); top: 11px; left: 2px; }
.mobile-nav {
    position: fixed;
    top: 0; right: 0;
    width: 100%; max-width: 300px;
    height: 100%;
    background-color: var(--black);
    z-index: var(--z-index-mobile-nav);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transform: translateX(100%);
    transition: transform var(--transition-medium);
    padding: var(--space-lg) var(--space-md);
    box-shadow: -5px 0 15px rgba(0,0,0,0.2);
    overflow-y: auto;
}
body.menu-open .mobile-nav {
    transform: translateX(0);
}
.mobile-nav ul {
    font-family: var(--font-heading);
    text-align: center;
    width: 100%;
}
.mobile-nav li { margin-bottom: var(--space-md); }
.mobile-nav a {
    font-size: 1.5rem;
    font-weight: 600;
    display: block;
    padding: var(--space-xs) 0;
}
.mobile-nav .social-links {
    margin-top: var(--space-lg);
    display: flex;
    justify-content: center;
    gap: var(--space-md);
}
.mobile-nav .social-links a {
    font-size: 1rem;
    padding: 0;
}


/* ===== BUTTONS ===== */
.btn-primary,
.btn-secondary {
    display: inline-block;
    padding: 10px 24px;
    font-weight: 600;
    border-radius: 4px;
    transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
    text-align: center;
    cursor: pointer;
    font-size: 0.9rem;
    border: 1px solid transparent;
}
.btn-primary:hover,
.btn-secondary:hover {
     transform: translateY(-2px);
}
.btn-primary {
    background-color: var(--accent);
    color: var(--black);
    border-color: var(--accent);
    font-weight: 600;
    font-size: 1rem;
    border-radius: 4px;
    padding: 10px 24px;
    width: auto;
    text-align: center;
    transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
    box-shadow: none;
    cursor: pointer;
    letter-spacing: 0.01em;
}
.btn-primary:hover, .btn-primary:focus {
    background-color: var(--white);
    color: var(--black);
    border-color: var(--white);
    outline: none;
}
.btn-secondary {
    background-color: transparent;
    border: 1px solid var(--white);
    color: var(--white);
}
.btn-secondary:hover {
    background-color: var(--white);
    color: var(--black);
    border-color: var(--white);
}

.contact-btn {
    background: #ffbc0a;
    color: #111;
    font-weight: 600;
    font-size: 1rem;
    border: none;
    border-radius: 4px;
    padding: 10px 24px;
    width: 100%;
    text-align: center;
    transition: background-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
    cursor: pointer;
    display: inline-block;
}
.contact-btn:hover, .contact-btn:focus {
    background: #ffd44d;
    color: #111;
    outline: none;
    transform: translateY(-1px);
}


/* ===== GENERIC SECTION HEADER ===== */
.section-header {
    margin-bottom: var(--space-md);
    text-align: center; /* Default alignment - overridden where needed */
}

/* Default H2 styling within section header */
.section-header h2 {
    /* Basic styling, no position/padding needed unless adding underline */
    margin-bottom: 0; /* Remove default bottom margin */
}

/* --- REMOVED GENERIC UNDERLINE RULES --- */
/* .section-header h2 { display: inline-block; ... } */
/* .section-header h2::after { ... } */
/* .section-header h2.in-view::after { ... } */
/* --- Underline styling is now handled entirely in layout.css / features.css --- */


/* ===== SKILL ICONS ===== */
.skills {
    margin-top: var(--space-md);
}
.skill-icons {
    display: flex;
    flex-wrap: nowrap;
    gap: clamp(0.5rem, 2vw, 1rem);
    margin-top: var(--space-sm);
    padding: 0;
    justify-content: center;
    overflow: visible;
    width: 100%;
}
.skill-icon {
    width: clamp(45px, 12vw, 55px);
    height: clamp(45px, 12vw, 55px);
    flex-shrink: 0;
    background-color: var(--gray);
    border-radius: 6px;
    position: relative;
    overflow: visible;
    padding-bottom: 2.5em;
    margin-bottom: 0;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
}
.skill-icon:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    background-color: var(--accent);
}
.skill-icon img {
    display: block;
    position: absolute;
    top: 50%; left: 50%;
    width: 55%; height: auto;
    transform: translate(-50%, -50%);
    filter: grayscale(100%) brightness(2);
    transition: transform var(--transition-fast), filter var(--transition-fast);
}
.skill-icon:hover img {
     filter: none;
     transform: translate(-50%, -50%) scale(1.1);
}
.skill-name {
    position: absolute;
    top: calc(100% + 5px);
    left: 50%;
    transform: translateX(-50%);
    z-index: 5;
    display: block;
    font-size: clamp(0.7rem, 1.8vw, 0.8rem);
    color: var(--light-gray);
    text-align: center;
    white-space: nowrap;
    background-color: rgba(10, 10, 10, 0.85);
    padding: 4px 8px;
    border-radius: 4px;
    opacity: 0; visibility: hidden;
    transition: opacity 0.3s ease-in-out, visibility 0s linear 0.3s;
    pointer-events: none;
}
.skill-icon:hover .skill-name {
    opacity: 1; visibility: visible;
    transition: opacity 0.3s ease-in-out 0.1s, visibility 0s linear 0s;
}


/* ===== SOCIAL LINKS ===== */
.social-links {
    padding: 0;
    display: flex;
    gap: var(--space-sm);
    justify-content: center;
    align-items: center;
}
.contact-info .social-links {
    justify-content: center;
}
.social-links li { margin-bottom: 0; }
.social-links a {
    display: inline-block;
    font-weight: 500;
    position: relative;
    color: var(--white);
    font-size: 0.9rem;
}
.social-links a:hover { color: var(--accent); }
.social-links a::after {
    content: '';
    position: absolute;
    bottom: -3px; left: 0;
    width: 0; height: 1px;
    background-color: var(--accent);
    transition: width var(--transition-fast);
}
.social-links a:hover::after { width: 100%; }


/* ===== POPUP MODAL ===== */
.popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(20, 20, 30, 0.85); /* Slightly more modern dark overlay */
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0s linear 0.3s;
    padding: var(--space-sm);
}
.popup-overlay.visible {
    opacity: 1;
    visibility: visible;
    transition: opacity 0.3s ease, visibility 0s linear 0s;
}
.popup-content {
    background: var(--dark-gray);
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.35);
    padding: var(--space-xl) var(--space-lg);
    max-width: 380px;
    width: 100%;
    text-align: center;
    position: relative;
    border: 1px solid var(--gray);
}
.popup-content p {
    color: var(--white);
    font-size: 1.1rem;
    margin-bottom: var(--space-lg);
    letter-spacing: 0.01em;
}
#popup-close-button.btn-primary {
    background: var(--accent);
    color: var(--black);
    border: none;
    border-radius: 6px;
    padding: 0.7em 2.2em;
    font-size: 1rem;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(0,0,0,0.10);
    cursor: pointer;
    transition: background 0.2s, color 0.2s, box-shadow 0.2s;
}
#popup-close-button.btn-primary:hover, #popup-close-button.btn-primary:focus {
    background: var(--white);
    color: var(--accent);
    box-shadow: 0 4px 16px rgba(0,0,0,0.18);
    outline: none;
}


/* ===== CLIENT LOGO ITEM (Specific Component Style) ===== */
.client-item {
    text-align: center;
    cursor: pointer;
    position: relative;
    padding-bottom: 2em;
    width: 100%;
    max-width: calc(150px * 1.5);

}
.client-logo-link {
    display: block;
    margin-bottom: var(--space-sm);
    line-height: 0;
    height: calc(var(--client-logo-height) * 1.5);
    display: flex;
    align-items: center;
    justify-content: center;
}
.client-logo-link img {
    max-height: 100%;
    width: auto;
    max-width: 100%;
    filter: grayscale(36%);
    opacity: 0.9;
    transition: filter 0.4s ease-in-out, opacity 0.4s ease-in-out;
}
.client-name {
    display: block;
    font-size: 0.8rem;
    color: var(--light-gray);
    margin-top: var(--space-xs);
    opacity: 0; visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 0.3s ease-in-out, visibility 0s linear 0.3s, transform 0.3s ease-in-out;
    position: absolute;
    bottom: 0; left: 50%;
    transform: translateX(-50%) translateY(-10px);
    width: 100%;
}
.client-item:hover .client-logo-link img {
    filter: grayscale(0%);
    opacity: 1;
}
.client-item:hover .client-name {
    opacity: 1; visibility: visible;
    transform: translateX(-50%) translateY(0);
    transition: opacity 0.3s ease-in-out 0.1s, visibility 0s linear 0s, transform 0.3s ease-in-out 0.1s;
}


/* ===== COMPONENT MEDIA QUERIES ===== */
@media (max-width: 767px) {
    .menu-toggle {
        position: fixed;
        top: 16px; right: 16px;
        z-index: var(--z-index-menu-toggle);
    }
    .scrolled-nav .desktop-nav { display: none; }

    .section-header {
         margin-bottom: var(--space-sm);
     }
}
@media (min-width: 768px) {
    .header-wrapper, .scrolled-nav {
        padding-left: var(--space-md);
        padding-right: var(--space-md);
    }
    .desktop-nav { display: block; }
    .menu-toggle { display: none; }
    .scrolled-nav .menu-toggle { display: none; }

    .contact-info .social-links {
        justify-content: flex-start;
    }

    .btn-primary, .btn-secondary {
         padding: 12px 32px;
         font-size: 1rem;
    }
}
@media (min-width: 992px) {
    .desktop-nav ul { gap: var(--space-md); }
    .desktop-nav a { font-size: 1rem; }

    .skill-icons {
        overflow-x: visible;
    }
    .skill-icon {
        width: 55px;
        height: 55px;
    }
}

@media (max-width: 480px) {
    .skill-icons {
        gap: clamp(0.2rem, 1vw, 0.5rem);
        padding: 0 0.5rem;
    }
    .skill-icon {
        width: clamp(35px, 10vw, 45px);
        height: clamp(35px, 10vw, 45px);
    }
    .skill-name {
        font-size: clamp(0.6rem, 1.4vw, 0.7rem);
        padding: 2px 4px;
    }
}

@media (max-width: 360px) {
    .skill-icons {
        gap: clamp(0.15rem, 0.8vw, 0.4rem);
        padding: 0 0.25rem;
    }
    .skill-icon {
        width: clamp(30px, 9vw, 40px);
        height: clamp(30px, 9vw, 40px);
    }
    .skill-name {
        font-size: clamp(0.55rem, 1.2vw, 0.65rem);
        padding: 2px 3px;
    }
}

@media (min-width: 1200px) {
    .skill-icons {
        justify-content: flex-start;
    }
}