/* Font Face */
@font-face {
    font-family: 'Apple Garamond';
    src: url('fonts/AppleGaramond.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Apple Garamond';
    src: url('fonts/AppleGaramond-Light.ttf') format('truetype');
    font-weight: 300;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Apple Garamond';
    src: url('fonts/AppleGaramond-Italic.ttf') format('truetype');
    font-weight: normal;
    font-style: italic;
    font-display: swap;
}

@font-face {
    font-family: 'Apple Garamond';
    src: url('fonts/AppleGaramond-LightItalic.ttf') format('truetype');
    font-weight: 300;
    font-style: italic;
    font-display: swap;
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-text: #1a1a1a;
    --secondary-text: #666666;
    --border-color: #e5e5e5;
    --background: #F7F7F4;
    --hover-bg: #eeeeeb;
    --accent-color: #0066ff;
    --heading-font: 'Apple Garamond', Georgia, serif;
    --body-font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

/* Dark Mode */
[data-theme="dark"] {
    --primary-text: #ffffff;
    --secondary-text: #a0a0a0;
    --border-color: #333333;
    --background: #000000;
    --hover-bg: #1a1a1a;
    --accent-color: #4d9fff;
}

body {
    font-family: var(--body-font);
    color: var(--primary-text);
    background-color: var(--background);
    line-height: 1.6;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Headings with Apple Garamond */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--heading-font);
}

/* Header & Navigation */
header {
    position: sticky;
    top: 0;
    background-color: rgba(247, 247, 244, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 100;
    transition: background-color 0.3s ease;
}

[data-theme="dark"] header {
    background-color: rgba(0, 0, 0, 0.8);
}

.nav-container {
    max-width: 680px;
    margin: 0 auto;
    padding: 0 20px;
}

.nav-content {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 16px 0;
}

/* Dark Mode Toggle */
.theme-toggle {
    margin-left: auto;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s ease;
    color: var(--primary-text);
}

.theme-toggle:hover {
    background-color: var(--hover-bg);
}

.theme-icon {
    font-size: 20px;
}

.nav-link {
    color: var(--secondary-text);
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    transition: color 0.2s ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-text);
}

/* Container */
.container {
    max-width: 680px;
    margin: 0 auto;
    padding: 60px 20px 120px;
}

/* Hero Section */
.hero-section {
    margin-bottom: 80px;
}

.profile-image {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    overflow: hidden;
    margin-bottom: 24px;
}

.profile-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-title {
    font-size: 48px;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 8px;
}

.hero-subtitle {
    font-size: 48px;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 24px;
}

.hero-description {
    font-size: 18px;
    color: var(--secondary-text);
    line-height: 1.6;
    margin-bottom: 24px;
}

.hero-cta {
    font-size: 18px;
    color: var(--secondary-text);
}

/* Resume Section */
.resume-section {
    margin-bottom: 80px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 32px;
}

.section-label {
    font-size: 15px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--secondary-text);
    margin-bottom: 24px;
}

.resume-item {
    padding: 20px 0;
}

.resume-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 4px;
}

.resume-date {
    font-size: 16px;
    color: var(--secondary-text);
    margin-bottom: 12px;
}

.resume-description {
    font-size: 17px;
    color: var(--secondary-text);
    line-height: 1.6;
}

.resume-link {
    color: var(--primary-text);
    text-decoration: none;
    white-space: nowrap;
    position: relative;
    padding-bottom: 2px;
}

.resume-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-text);
    transition: width 0.3s ease;
}

.resume-link:hover::after {
    width: 100%;
}

/* Figma Deck Link */
.figma-deck-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: var(--primary-text);
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 80px;
    position: relative;
    padding-bottom: 4px;
    width: fit-content;
}

.figma-deck-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-text);
    transition: width 0.3s ease;
}

.figma-deck-link:hover::after {
    width: 100%;
}

.figma-deck-link .material-icons {
    font-size: 20px;
    transition: transform 0.3s ease;
}

.figma-deck-link:hover .material-icons {
    transform: translateX(4px);
}

/* Posts Section */
.posts-section {
    margin-bottom: 80px;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
}

.section-title {
    font-size: 20px;
    font-weight: 600;
}

.see-all {
    font-size: 16px;
    color: var(--secondary-text);
    text-decoration: none;
    transition: color 0.2s ease;
    position: relative;
    padding-bottom: 2px;
}

.see-all::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-text);
    transition: width 0.3s ease;
}

.see-all:hover {
    color: var(--primary-text);
}

.see-all:hover::after {
    width: 100%;
}

.posts-grid {
    display: grid;
    gap: 48px;
}

.post-card-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.post-card {
    cursor: pointer;
    transition: transform 0.2s ease;
}

.post-card-link:hover .post-card {
    transform: translateY(-2px);
}

.post-image {
    width: 100%;
    border-radius: 12px;
    margin-bottom: 16px;
    overflow: hidden;
    position: relative;
    background-color: #f5f5f5;
}

.post-image img {
    width: 100%;
    height: auto;
    display: block;
}

.post-image-content {
    text-align: center;
    color: white;
}

.post-logo {
    font-size: 64px;
}

.post-text {
    font-size: 32px;
    font-weight: 700;
    color: white;
}

.phone-mockup {
    font-size: 120px;
}

.post-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 4px;
}

.post-subtitle {
    font-size: 16px;
    color: var(--secondary-text);
}

/* Stack Section */
.stack-section {
    margin-bottom: 80px;
}

.tags-container {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag {
    display: inline-block;
    padding: 8px 14px;
    background-color: var(--hover-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    font-size: 15px;
    color: var(--primary-text);
    transition: background-color 0.2s ease, color 0.2s ease;
}

.tag:hover {
    background-color: #ececec;
}

[data-theme="dark"] .tag:hover {
    background-color: #ffffff;
    color: #000000;
}

/* Projects Section */
.projects-section {
    margin-bottom: 80px;
}

.project-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.project-item {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 24px 20px;
    border-bottom: 1px solid var(--border-color);
    text-decoration: none;
    color: inherit;
    transition: background-color 0.2s ease;
}

.project-item:hover {
    background-color: var(--hover-bg);
}

.project-info {
    flex: 1;
    padding-right: 20px;
}

.project-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 4px;
}

.project-description {
    font-size: 16px;
    color: var(--secondary-text);
    line-height: 1.5;
}

.project-arrow {
    font-size: 20px;
    color: var(--secondary-text);
    flex-shrink: 0;
}

/* Notes Section */
.notes-section {
    margin-bottom: 80px;
}

.notes-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.view-all-link {
    font-size: 15px;
    color: var(--secondary-text);
    text-decoration: none;
    transition: color 0.2s ease;
    position: relative;
    padding-bottom: 2px;
}

.view-all-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-text);
    transition: width 0.3s ease;
}

.view-all-link:hover {
    color: var(--primary-text);
}

.view-all-link:hover::after {
    width: 100%;
}

.notes-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.note-card-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.note-card {
    cursor: pointer;
    transition: transform 0.2s ease;
}

.note-card-link:hover .note-card {
    transform: translateY(-2px);
}

.note-image {
    width: 100%;
    aspect-ratio: 16 / 9;
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 12px;
    background-color: #f5f5f5;
}

.note-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.note-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
    line-height: 1.4;
}

.note-date {
    font-size: 14px;
    color: var(--secondary-text);
}

/* Page Header (for notes page, etc.) */
.page-header {
    margin-bottom: 60px;
}

.page-title {
    font-size: 48px;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 16px;
}

.page-description {
    font-size: 18px;
    color: var(--secondary-text);
    line-height: 1.6;
}

/* Notes List Section (vertical layout) */
.notes-list-section {
    margin-bottom: 80px;
}

.note-list-item {
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 32px 0;
    border-bottom: 1px solid var(--border-color);
}

.note-list-item:first-child {
    padding-top: 0;
}

.note-list-image {
    width: 100%;
    aspect-ratio: 16 / 9;
    border-radius: 8px;
    overflow: hidden;
    background-color: #f5f5f5;
}

.note-list-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.note-list-content {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.note-list-title {
    font-size: 24px;
    font-weight: 600;
    line-height: 1.3;
}

.note-list-description {
    font-size: 16px;
    color: var(--secondary-text);
    line-height: 1.6;
}

.note-list-date {
    font-size: 14px;
    color: var(--secondary-text);
}

.note-expandable-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.note-expandable-content.expanded {
    max-height: 1000px;
}

.note-expandable-content p {
    font-size: 16px;
    color: var(--secondary-text);
    line-height: 1.6;
    margin-top: 16px;
}

.read-more-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: none;
    border: none;
    color: var(--primary-text);
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    padding: 0;
    padding-bottom: 2px;
    margin-top: 12px;
    position: relative;
    width: fit-content;
}

.read-more-btn::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-text);
    transition: width 0.3s ease;
}

.read-more-btn:hover::after {
    width: 100%;
}

.read-more-icon {
    font-size: 20px;
    transition: transform 0.3s ease;
}

.read-more-btn.expanded .read-more-icon {
    transform: rotate(180deg);
}

/* Experience Page */
.experience-hero {
    margin-bottom: 64px;
    border-radius: 12px;
    overflow: hidden;
}

.experience-hero img {
    width: 100%;
    height: auto;
    display: block;
}

.experience-list-section {
    margin-bottom: 80px;
}

.experience-item {
    padding: 32px 0;
    border-bottom: 1px solid var(--border-color);
}

.experience-item:first-child {
    padding-top: 0;
}

.experience-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 24px;
    margin-bottom: 12px;
}

.experience-title {
    font-size: 24px;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 4px;
}

.experience-company {
    font-size: 18px;
    color: var(--secondary-text);
    font-weight: 500;
}

.experience-date {
    font-size: 16px;
    color: var(--secondary-text);
    white-space: nowrap;
    flex-shrink: 0;
}

.experience-description {
    font-size: 16px;
    color: var(--secondary-text);
    line-height: 1.6;
}

/* Contact Section */
.contact-section {
    margin-bottom: 60px;
}

.contact-description {
    font-size: 17px;
    color: var(--secondary-text);
    line-height: 1.6;
    margin-bottom: 24px;
}

.contact-email {
    display: inline-block;
    font-size: 18px;
    color: var(--primary-text);
    text-decoration: none;
    margin-bottom: 32px;
    position: relative;
    padding-bottom: 2px;
}

.contact-email::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-text);
    transition: width 0.3s ease;
}

.contact-email:hover::after {
    width: 100%;
}

.social-links {
    display: flex;
    gap: 16px;
}

.social-link {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--hover-bg);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    color: var(--primary-text);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    transition: background-color 0.2s ease;
}

.social-link:hover {
    background-color: #ececec;
}

.footer-text {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 32px;
    font-size: 14px;
    color: var(--secondary-text);
    line-height: 1.5;
}

.coffee-icon {
    font-size: 18px;
    color: var(--secondary-text);
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 40px 16px 80px;
    }

    .hero-title,
    .hero-subtitle {
        font-size: 32px;
    }

    .hero-description {
        font-size: 17px;
    }

    .nav-content {
        gap: 16px;
    }

    .nav-link {
        font-size: 15px;
    }

    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .notes-grid {
        gap: 20px;
    }

    .page-title {
        font-size: 36px;
    }

    .note-list-title {
        font-size: 20px;
    }

    .note-expandable-content p {
        font-size: 15px;
    }

    .experience-header {
        flex-direction: column;
        gap: 8px;
    }

    .experience-date {
        align-self: flex-start;
    }

    .experience-title {
        font-size: 20px;
    }

    .experience-company {
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .hero-title,
    .hero-subtitle {
        font-size: 28px;
    }

    .project-item {
        flex-direction: column;
        gap: 12px;
    }

    .project-arrow {
        align-self: flex-start;
    }

    .notes-grid {
        grid-template-columns: 1fr;
    }

    .page-title {
        font-size: 32px;
    }

    .note-list-title {
        font-size: 18px;
    }

    .note-expandable-content p {
        font-size: 15px;
    }

    .experience-title {
        font-size: 18px;
    }

    .experience-company {
        font-size: 15px;
    }

    .experience-date {
        font-size: 14px;
    }
}