/* ==========================================================================
   Portfolio Styles
   ========================================================================== */

/* ===== 1. DESIGN TOKENS (Variables) ===== */
:root {
    --background-primary: #FAFAFA;
    --background-secondary: #F2F2F2;
    --background-static-white: #FFFFFF;
    --background-secondary-hover: #EAEAEA;
    
    --text-primary: rgba(0, 0, 0, 0.90);
    --text-secondary: rgba(0, 0, 0, 0.50);
    --link: rgba(0, 106, 212, 0.90);
    
    --gradient: radial-gradient(98.75% 141.42% at 100% 0%, #FFF5CC 0%, #FBFE34 100%);
    
    --border: rgba(0, 0, 0, 0.05);

    /* Typography */
    --font-family-base: 'Geist', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    
    /* Shadows */
    --shadow-accent: 0 2px 16px 0 rgba(100, 101, 1, 0.10);

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-spring: 400ms cubic-bezier(0.34, 1.3, 0.64, 1);
}

/* ===== 2. ANIMATIONS ===== */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes badgeSlideIn {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(-48px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

.ui-content-wrapper > main {
    animation: fadeIn 0.4s ease forwards;
}

/* ===== 3. RESET & BASE ===== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-family-base);
    background-color: var(--background-primary);
    color: var(--text-primary);
    line-height: 1.5;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* ===== 4. TYPOGRAPHY COMPONENTS ===== */
.ui-h2 {
    font-family: var(--font-family-base);
    font-size: 24px;
    font-style: normal;
    font-weight: 500;
    line-height: 32px;
    color: var(--text-primary);
}

.ui-body-l-accent {
    font-family: var(--font-family-base);
    font-size: 18px;
    font-style: normal;
    font-weight: 500;
    line-height: 24px;
    color: var(--text-primary);
}

.ui-body-l {
    font-family: var(--font-family-base);
    font-size: 18px;
    font-style: normal;
    font-weight: 400;
    line-height: 24px;
    color: var(--text-primary);
}

.ui-body-m-accent {
    font-family: var(--font-family-base);
    font-size: 16px;
    font-style: normal;
    font-weight: 500;
    line-height: 20px;
    color: var(--text-primary);
}

.ui-body-m {
    font-family: var(--font-family-base);
    font-size: 16px;
    font-style: normal;
    font-weight: 400;
    line-height: 20px;
    color: var(--text-primary);
}

.ui-body-s {
    font-family: var(--font-family-base);
    font-size: 14px;
    font-style: normal;
    font-weight: 400;
    line-height: 16px;
    color: var(--text-secondary);
}

/* ===== 5. BUTTON COMPONENTS ===== */
.ui-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 100px;
    font-family: var(--font-family-base);
    font-size: 16px;
    font-style: normal;
    font-weight: 400;
    line-height: 20px;
    
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: transform var(--transition-fast), background-color var(--transition-fast), box-shadow var(--transition-fast);
}

.ui-btn:hover {
    transform: translateY(-1px);
}

.ui-btn:active {
    transform: translateY(1px);
}

/* Primary Button */
.ui-btn--primary {
    background: var(--background-primary);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.ui-btn--primary:hover {
    background-color: var(--background-secondary);
}

/* Secondary Button */
.ui-btn--secondary {
    background: var(--background-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.ui-btn--secondary:hover {
    background: var(--background-secondary-hover);
}

.ui-btn .ui-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
}

/* ===== 6. SURFACES & CONTAINERS ===== */
.ui-app-container {
    width: 100%;
    min-height: 100vh;
    background-color: var(--background-primary);
    position: relative;
    padding: 0;
    overflow: visible;
}

#app-nav {
    position: sticky;
    top: 0;
    z-index: 100;
    width: 100%;
}

.ui-nav-container {
    display: flex;
    width: 100%;
    padding: 24px 12px;
    justify-content: center;
    align-items: flex-start;
    margin: 0 auto;
}

.ui-hero-section {
    display: flex;
    width: 100%;
    max-width: 960px;
    padding: 24px 16px;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 20px;
    align-self: stretch;
    margin: 0 auto;
    text-align: center;
}

.ui-hero-actions {
    display: flex;
    gap: 8px;
}

.ui-hero-text {
    max-width: 480px;
}

#projects-grid {
    display: flex;
    flex-direction: column;
    width: 100%;
    max-width: 960px;
    margin: 0 auto;
    padding: 24px 16px;
    gap: 24px;
}

.ui-footer {
    display: flex;
    width: 100%;
    padding: 24px 16px;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 20px;
    align-self: stretch;
    margin: 0 auto;
}

/* ===== 7. SPECIAL COMPONENTS ===== */

/* Badge (About Page) */
.ui-badge-container {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    animation: badgeSlideIn 400ms cubic-bezier(0.34, 1.3, 0.64, 1) both;
    z-index: 50;
    
    display: flex;
    width: 100%;
    max-width: 480px;
    padding: 0 16px;
    flex-direction: column;
    align-items: center;
    align-self: stretch;
}

.ui-about-container {
    display: flex;
    width: 100%;
    max-width: 480px;
    padding: 248px 16px 24px 16px;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 20px;
    align-self: stretch;
    margin: 0 auto;
}

.ui-experience-section {
    display: flex;
    width: 100%;
    max-width: 480px;
    padding: 24px 16px;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 20px;
    align-self: stretch;
    margin: 0 auto;
}

.ui-experience-list {
    display: flex;
    width: 100%;
    flex-direction: column;
    align-self: stretch;
}

.ui-experience-title {
    width: 100%;
    text-align: left;
}

.ui-experience-item {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    align-self: stretch;
}

.ui-experience-label {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 8px;
    align-self: stretch;
}

.ui-experience-period {
    text-align: right;
    white-space: nowrap;
}

.ui-divider {
    height: 1px;
    align-self: stretch;
    background-color: var(--border);
    margin: 20px 0;
}

.ui-tools-section {
    display: flex;
    width: 100%;
    max-width: 480px;
    padding: 24px 16px;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    align-self: stretch;
    margin: 0 auto;
}

.ui-tools-tray {
    display: flex;
    padding: 12px;
    align-items: center;
    gap: 8px;
    background: var(--background-secondary);
    border-radius: 20px;
}

.ui-tool-icon {
    display: block;
    width: 48px;
    height: 48px;
}

.ui-contacts-section {
    display: flex;
    width: 100%;
    max-width: 480px;
    padding: 24px 16px;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 20px;
    align-self: stretch;
    margin: 0 auto;
}

.ui-contacts-title {
    width: 100%;
    text-align: left;
}

.ui-contacts-list {
    display: flex;
    width: 100%;
    flex-direction: column;
    align-self: stretch;
}

.ui-contact-link {
    color: var(--link);
    text-decoration: none;
}

.ui-contact-link:hover {
    text-decoration: underline;
}

.ui-badge-lanyard {
    width: 14px;
    height: 96px;
    background: #4D4D4D;
    border-radius: 0 0 4px 4px;
    box-shadow: -1px 0 4px 0 rgba(255, 255, 255, 0.70) inset, 
                1px 0 4px 0 rgba(255, 255, 255, 0.70) inset;
    z-index: 4;
}

.ui-badge-ring {
    width: 20px;
    height: 20px;
    background: var(--background-primary);
    border: 2px solid #D9D9D9;
    border-radius: 50%;
    z-index: 3;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: -12px;
}

.ui-badge-clip {
    width: 8px;
    height: 40px;
    background: #D9D9D9;
    border-radius: 2px;
    box-shadow: 0 0 4px 0 rgba(0, 0, 0, 0.20) inset;
    z-index: 2;
    margin-top: -12px;
}

.ui-badge-card {
    display: flex;
    width: 100%;
    padding: 8px 16px 32px 16px;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    
    border-radius: 16px;
    border: 0.1px solid rgba(0, 0, 0, 0.05);
    background: var(--background-secondary);
    box-shadow: 4px 4px 8px 0 rgba(255, 255, 255, 0.50) inset, 
                -4px -4px 8px 0 rgba(0, 0, 0, 0.10) inset;
    position: relative;
    z-index: 1;
    margin-top: -12px;
}

.ui-badge-card::before {
    content: '';
    width: 20px;
    height: 20px;
    background: var(--background-primary);
    border-radius: 50%;
    box-shadow: 0 -2px 0 0 rgba(0, 0, 0, 0.15) inset;
}

.ui-badge-avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    overflow: hidden;
    background: #EEE;
}

.ui-badge-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.ui-badge-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.ui-badge-name {
    margin-bottom: 4px;
}

/* Segmented Control */
.ui-segmented-control {
    display: flex;
    width: fit-content;
    height: 48px;
    padding: 4px;
    align-items: center;
    border-radius: 100px;
    border: none;
    background: rgba(242, 242, 242, 0.5);
    box-shadow: 0 0 4px 0 rgba(0, 0, 0, 0.05) inset;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.ui-segmented-control__btn {
    display: flex;
    padding: 0 12px;
    justify-content: center;
    align-items: center;
    gap: 8px;
    align-self: stretch;
    border-radius: 100px;
    background: transparent;
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: background-color var(--transition-fast), color var(--transition-fast);
    font-family: var(--font-family-base);
    font-size: 16px;
    font-style: normal;
    font-weight: 400;
    line-height: 20px;
    color: var(--text-secondary);
}

.ui-segmented-control__btn.is-active {
    background: var(--background-static-white);
    font-weight: 500;
    color: var(--text-primary);
}

.ui-contact-popover {
    position: fixed;
    top: -120px;
    right: -64px;
    width: 172px;
    height: 172px;
    padding: 16px;
    
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: flex-start;
    gap: 20px;
    
    border-radius: 16px;
    background: var(--gradient);
    box-shadow: var(--shadow-accent);
    cursor: pointer;
    z-index: 1000;
    
    transform: rotate(-5deg);
    transition: right var(--transition-spring), 
                top var(--transition-spring),
                transform var(--transition-spring);
}

.ui-contact-popover.is-expanded {
    top: 8px;
    right: 8px;
    transform: rotate(0deg);
}

.ui-popover-links {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.ui-popover-links a {
    text-decoration: none;
}

/* Case Card Component */
.case-card {
    display: flex;
    flex-direction: column;
    gap: 8px;
    width: 100%;
    border-radius: 20px;
    position: relative;
    z-index: 1;
}

.case-card__media {
    background-color: var(--background-secondary);
    border-radius: 20px;
    width: 100%;
    overflow: hidden;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.case-card__media img,
.case-card__media video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.case-card__content {
    display: flex;
    flex-direction: column;
    transition: opacity var(--transition-fast);
}

.case-card__title {
    color: var(--text-primary);
}

.case-card__subline {
    color: var(--text-secondary);
    margin-top: 4px !important;
}

@media (min-width: 700px) {
    .ui-hero-section {
        align-items: flex-start;
        padding: 24px;
        text-align: left;
    }

    #projects-grid {
        display: grid;
        padding: 24px;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        align-items: start;
        gap: 24px;
    }

    .projects-column {
        display: flex;
        flex-direction: column;
        gap: 24px;
    }

    .case-card {
        gap: 0;
        transition: opacity var(--transition-spring);
    }

    .case-card:hover {
        z-index: 2;
    }

    body:has(.case-card:hover) .case-card:not(:hover) {
        opacity: 0.22;
    }

    .case-card__content {
        max-height: 0;
        margin-top: 0;
        overflow: hidden;
        opacity: 0;
        transition: max-height var(--transition-spring), margin-top var(--transition-spring), opacity var(--transition-spring);
    }

    .case-card:hover .case-card__content {
        max-height: 72px;
        margin-top: 8px;
        opacity: 1;
    }

    .ui-badge-container {
        padding: 0 24px;
    }

    .ui-about-container {
        padding: 248px 24px 24px 24px;
    }

    .ui-experience-section,
    .ui-tools-section,
    .ui-contacts-section {
        padding: 24px;
    }
}

@media (max-width: 699px) {
    .case-card {
        max-width: 444px;
        margin: 0 auto;
    }
}