/* ==========================================================================
   Olivia Freidenreich - Director Portfolio
   A cinematic, editorial aesthetic with refined typography
   ========================================================================== */

/* Font Face Definitions */
@font-face {
    font-family: 'STIX Two Text';
    src: url('STIX_Two_Text/STIXTwoText-VariableFont_wght.ttf') format('truetype');
    font-weight: 300 700;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'STIX Two Text';
    src: url('STIX_Two_Text/STIXTwoText-Italic-VariableFont_wght.ttf') format('truetype');
    font-weight: 300 700;
    font-style: italic;
    font-display: swap;
}

/* CSS Custom Properties */
:root {
    /* Colors - updated palette */
    --color-blue: #0A369D;
    --color-orange: #D36135;
    --color-green: #33673B;
    --color-cream: #ECE4B7;
    --color-black: #19231A;

    --color-tea-light: var(--color-cream);
    --color-tea-sage: rgba(10, 54, 157, 0.08);
    --color-ash-light: rgba(51, 103, 59, 0.1);
    --color-ash-dark: rgba(25, 35, 26, 0.45);

    --color-bg: var(--color-cream);
    --color-bg-elevated: var(--color-cream);
    --color-bg-subtle: rgba(211, 97, 53, 0.12);
    --color-text: var(--color-black);
    --color-text-muted: rgba(25, 35, 26, 0.75);
    --color-text-subtle: rgba(25, 35, 26, 0.6);
    --color-accent: var(--color-blue);
    --color-accent-hover: var(--color-orange);
    --color-border: rgba(25, 35, 26, 0.25);
    --color-border-light: rgba(25, 35, 26, 0.15);
    
    /* Typography */
    --font-primary: 'STIX Two Text', Georgia, serif;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 8rem;
    --space-2xl: 12rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-slow: 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    
    /* Layout */
    --max-width: 1400px;
    --nav-height: 80px;
    --radius-photo: 16px;
    --radius-resume: 8px;
    --resume-embed-height: 700px;
}

/* Reset & Base Styles */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    font-weight: 300;
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Selection */
::selection {
    background-color: var(--color-accent);
    color: var(--color-bg-elevated);
}

/* Links */
a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

/* Images */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ==========================================================================
   Navigation
   ========================================================================== */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-lg);
    height: var(--nav-height);
    background: linear-gradient(to bottom, rgba(236, 228, 183, 0.95), transparent);
    transition: background var(--transition-base);
}

.nav.scrolled {
    background: rgba(236, 228, 183, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: 0 1px 3px rgba(25, 35, 26, 0.15);
}

.nav-logo a {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--color-text);
    transition: color var(--transition-fast);
}

.nav-logo a:hover {
    color: var(--color-accent);
}

.nav-links {
    display: flex;
    gap: var(--space-lg);
    list-style: none;
}

.nav-links a {
    font-size: 0.875rem;
    font-weight: 400;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    position: relative;
    padding: var(--space-xs) 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-accent);
    transition: width var(--transition-base);
}

.nav-links a:hover {
    color: var(--color-text);
}

.nav-links a:hover::after {
    width: 100%;
}

/* Mobile Nav Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-xs);
    z-index: 1001;
}

.nav-toggle span {
    display: block;
    width: 28px;
    height: 1px;
    background-color: var(--color-text);
    transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.nav-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: stretch;
    position: relative;
    padding: var(--space-xl) var(--space-lg);
    background: var(--color-tea-sage);
}

.hero-inner {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
    gap: var(--space-xl);
}

.hero-content {
    text-align: left;
    max-width: 560px;
}

.hero-title-wrapper {
    overflow: hidden;
    margin-bottom: var(--space-md);
}

.hero-title {
    font-size: clamp(1.8rem, 4.6vw, 4.1rem);
    font-weight: 300;
    line-height: 1;
    letter-spacing: -0.01em;
    color: var(--color-text);
}

.hero-title-line {
    display: block;
    animation: slideUp 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
    opacity: 0;
    transform: translateY(100%);
}

.hero-title-line:nth-child(2) {
    animation-delay: 0.15s;
}

.hero-subtitle-wrapper {
    overflow: hidden;
}

.hero-subtitle {
    font-size: clamp(0.95rem, 2vw, 1.25rem);
    font-weight: 400;
    letter-spacing: 0.32em;
    text-transform: uppercase;
    color: var(--color-accent);
    animation: slideUp 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.4s forwards;
    opacity: 0;
    transform: translateY(100%);
}
.hero-media {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
}

.hero-carousel {
    width: min(420px, 100%);
    aspect-ratio: 4 / 5;
    border-radius: calc(var(--radius-photo) + 6px);
    overflow: hidden;
    background: var(--color-black);
    border: 1px solid var(--color-border);
    box-shadow: 0 18px 45px rgba(25, 35, 26, 0.25);
    position: relative;
}

.hero-carousel-control {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 14px;
    height: 14px;
    border-radius: 999px;
    border: 1px solid rgba(236, 228, 183, 0.35);
    background: rgba(236, 228, 183, 0.12);
    box-shadow: none;
    color: transparent;
    cursor: pointer;
    opacity: 0.2;
    transition: opacity var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast);
}

.hero-carousel-control::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 6px;
    height: 6px;
    border: solid var(--color-black);
    border-width: 0 1px 1px 0;
    transform: translate(-50%, -50%) rotate(-45deg);
    opacity: 0.9;
}

.hero-carousel:hover .hero-carousel-control,
.hero-carousel:focus-within .hero-carousel-control {
    opacity: 0.5;
}

.hero-carousel-control:hover {
    background: rgba(236, 228, 183, 0.25);
    border-color: rgba(236, 228, 183, 0.6);
    opacity: 0.7;
}

.hero-carousel-control:focus-visible {
    opacity: 0.9;
    outline: 1px solid rgba(236, 228, 183, 0.8);
    outline-offset: 2px;
}

.hero-carousel-prev {
    left: 12px;
}

.hero-carousel-prev::after {
    transform: translate(-50%, -50%) rotate(135deg);
}

.hero-carousel-next {
    right: 12px;
}

.hero-carousel-image {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 0.8s ease;
}

.hero-carousel-image.is-active {
    opacity: 1;
}

.hero-carousel-indicators {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding-top: var(--space-xs);
}

.hero-carousel-dot {
    width: 6px;
    height: 6px;
    border-radius: 999px;
    border: 1px solid rgba(25, 35, 26, 0.35);
    background: transparent;
    padding: 0;
    cursor: pointer;
}

.hero-carousel-dot.is-active {
    background: rgba(25, 35, 26, 0.8);
    border-color: rgba(25, 35, 26, 0.8);
}

.hero-carousel-caption {
    font-size: 0.7rem;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.hero-scroll {
    position: absolute;
    bottom: var(--space-lg);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    animation: fadeIn 1s ease 1.5s forwards;
    opacity: 0;
}

.hero-scroll span {
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.hero-scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--color-border-light), transparent);
    animation: scrollLine 2s ease-in-out infinite;
}

.hero-buffer {
    height: clamp(40px, 8vw, 120px);
    background: linear-gradient(180deg, rgba(236, 228, 183, 0.35), rgba(236, 228, 183, 0));
    width: 100%;
}

/* ==========================================================================
   Section Headers
   ========================================================================== */

.section-header {
    display: flex;
    align-items: baseline;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--color-border);
}

.section-number {
    font-size: 0.875rem;
    font-weight: 400;
    color: var(--color-accent);
    letter-spacing: 0.1em;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 300;
    letter-spacing: -0.01em;
}

/* ==========================================================================
   About Section
   ========================================================================== */

.about {
    padding: var(--space-2xl) var(--space-lg);
    max-width: var(--max-width);
    margin: 0 auto;
    background: var(--color-tea-light);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--space-xl);
    align-items: start;
}

.about-image {
    position: relative;
}

.about-image::before {
    content: '';
    position: absolute;
    top: var(--space-md);
    left: var(--space-md);
    right: calc(-1 * var(--space-md));
    bottom: calc(-1 * var(--space-md));
    border: 1px solid var(--color-accent);
    border-radius: var(--radius-photo);
    opacity: 0.3;
    z-index: -1;
}

.about-image-placeholder,
.about-image img {
    aspect-ratio: 3/4;
    width: 100%;
    object-fit: cover;
    display: block;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-photo);
}

.about-image-placeholder {
    background: var(--color-bg-subtle);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-subtle);
    font-size: 0.875rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.about-text {
    padding-top: var(--space-md);
}

.about-intro {
    font-size: clamp(1.25rem, 2.5vw, 1.75rem);
    font-weight: 400;
    line-height: 1.5;
    margin-bottom: var(--space-lg);
    color: var(--color-text);
}

.about-description {
    font-size: 1rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-md);
    max-width: 600px;
}

/* ==========================================================================
   Work Section
   ========================================================================== */

.work {
    padding: var(--space-2xl) var(--space-lg);
    max-width: var(--max-width);
    margin: 0 auto;
    background: var(--color-ash-light);
}

.work-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
}

.work-item {
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.work-item-image {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-photo);
}

.work-image-placeholder,
.work-item-image img {
    aspect-ratio: 16/10;
    width: 100%;
    object-fit: cover;
    display: block;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-photo);
    transition: transform var(--transition-slow), border-color var(--transition-base), box-shadow var(--transition-base);
}

.work-image-placeholder {
    background: var(--color-bg-subtle);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-subtle);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.work-item:hover .work-image-placeholder,
.work-item:hover .work-item-image img {
    transform: scale(1.02);
    border-color: var(--color-accent);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.work-item-content {
    padding: var(--space-md) 0;
}

.work-item-title {
    font-size: 1.25rem;
    font-weight: 400;
    margin-bottom: var(--space-xs);
    transition: color var(--transition-fast);
}

.work-item:hover .work-item-title {
    color: var(--color-accent);
}

.work-item-type {
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--space-sm);
}

.work-item-description {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.6;
}

/* ==========================================================================
   Resume Section
   ========================================================================== */

.resume {
    padding: var(--space-2xl) var(--space-lg);
    max-width: var(--max-width);
    margin: 0 auto;
    background: var(--color-tea-light);
}

.resume-content {
    max-width: 900px;
    margin: 0 auto;
}

.resume-tabs {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
    border-bottom: 1px solid var(--color-border);
}

.resume-tab {
    background: none;
    border: none;
    padding: var(--space-sm) var(--space-md);
    font-family: var(--font-primary);
    font-size: 0.875rem;
    font-weight: 400;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    cursor: pointer;
    position: relative;
    transition: color var(--transition-fast);
}

.resume-tab::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--color-accent);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.resume-tab:hover {
    color: var(--color-text);
}

.resume-tab.active {
    color: var(--color-text);
}

.resume-tab.active::after {
    transform: scaleX(1);
}

.resume-viewer {
    margin-bottom: var(--space-lg);
}

.resume-embed {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-resume);
    overflow: hidden;
}

.resume-embed.hidden {
    display: none;
}

.resume-embed iframe {
    width: 100%;
    height: var(--resume-embed-height);
    border: none;
    display: none;
}

.resume-embed.has-resume iframe {
    display: block;
}

.resume-pages {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.resume-pages img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: var(--radius-sm);
}

.resume-placeholder {
    min-height: var(--resume-embed-height);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    padding: var(--space-lg);
    text-align: center;
    color: var(--color-text-muted);
    background: var(--color-bg-elevated);
}

.resume-embed.has-resume .resume-placeholder {
    display: none;
}

.resume-placeholder-title {
    font-size: 0.8rem;
    font-weight: 400;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-accent);
}

.resume-placeholder-copy {
    font-size: 1rem;
    color: var(--color-text-muted);
}

.resume-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    font-family: var(--font-primary);
    font-size: 0.875rem;
    font-weight: 400;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border: 1px solid;
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-primary {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-bg-elevated);
}

.btn-primary:hover {
    background-color: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(211, 97, 53, 0.25);
}

.btn-secondary {
    background-color: transparent;
    border-color: var(--color-border-light);
    color: var(--color-text);
}

.btn-secondary:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.btn svg {
    width: 18px;
    height: 18px;
}

.btn-disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* ==========================================================================
   Contact Section
   ========================================================================== */

.contact {
    padding: var(--space-2xl) var(--space-lg);
    max-width: var(--max-width);
    margin: 0 auto;
    background: var(--color-ash-light);
}

.contact-content {
    max-width: 700px;
}

.contact-intro {
    font-size: clamp(1.25rem, 2.5vw, 1.75rem);
    font-weight: 300;
    line-height: 1.5;
    margin-bottom: var(--space-xl);
    color: var(--color-text);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.contact-link {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    padding: var(--space-md);
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.contact-link:hover {
    border-color: var(--color-accent);
    background-color: var(--color-bg-subtle);
    transform: translateX(10px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.contact-label {
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-accent);
}

.contact-value {
    font-size: 1.125rem;
    font-weight: 400;
    color: var(--color-text);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
    padding: var(--space-lg) var(--space-lg);
    border-top: 1px solid var(--color-border);
    background: var(--color-tea-sage);
}

.footer-content {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-copyright {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.footer-back-top {
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

.footer-back-top:hover {
    color: var(--color-accent);
}

/* ==========================================================================
   Animations
   ========================================================================== */

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(100%);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes scrollLine {
    0%, 100% {
        transform: scaleY(1);
        transform-origin: top;
    }
    50% {
        transform: scaleY(0.5);
        transform-origin: bottom;
    }
}

/* Scroll-triggered animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
    .hero-carousel-image {
        transition: none;
    }
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */

@media (max-width: 1024px) {
    :root {
        --space-lg: 3rem;
        --space-xl: 6rem;
        --space-2xl: 8rem;
    }

    .hero-inner {
        grid-template-columns: 1fr;
        justify-items: center;
        gap: var(--space-lg);
    }

    .hero-content {
        text-align: center;
        max-width: 640px;
    }
    
    .about-content {
        grid-template-columns: 1fr 2fr;
        gap: var(--space-lg);
    }
    
    .work-grid {
        gap: var(--space-md);
    }
}

@media (max-width: 768px) {
    :root {
        --space-lg: 2rem;
        --space-xl: 4rem;
        --space-2xl: 6rem;
        --nav-height: 70px;
        --resume-embed-height: 500px;
    }

    .hero-carousel {
        width: min(320px, 100%);
    }
    
    .nav {
        padding: 0 var(--space-md);
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-links {
        position: fixed;
        top: 0;
        right: 0;
        bottom: 0;
        width: 280px;
        background: var(--color-bg-elevated);
        box-shadow: -4px 0 12px rgba(0, 0, 0, 0.1);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: var(--space-lg);
        transform: translateX(100%);
        transition: transform var(--transition-base);
    }
    
    .nav-links.open {
        transform: translateX(0);
    }
    
    .nav-links a {
        font-size: 1rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .about-image {
        max-width: 400px;
    }
    
    .work-grid {
        grid-template-columns: 1fr;
    }
    
    .resume-tabs {
        flex-direction: column;
        border-bottom: none;
        gap: var(--space-sm);
    }
    
    .resume-tab {
        border: 1px solid var(--color-border);
        text-align: center;
    }
    
    .resume-tab.active {
        border-color: var(--color-accent);
    }
    
    .resume-tab::after {
        display: none;
    }
    
    .resume-actions {
        flex-direction: column;
    }
    
    .btn {
        justify-content: center;
        width: 100%;
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }
}

@media (max-width: 480px) {
    :root {
        --space-md: 1.5rem;
    }
    
    .hero {
        padding: var(--space-lg) var(--space-md);
    }
    
    .section-header {
        flex-direction: column;
        gap: var(--space-sm);
    }
    
    .contact-link:hover {
        transform: none;
    }
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */

.hidden {
    display: none !important;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}