/* ===== FONTS ===== */
@font-face {
    font-family: 'Name Sans';
    src: url('fonts/AT-NameSansVariable-Upright.woff2') format('woff2');
    font-weight: 100 900;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Name Sans Display';
    src: url('fonts/AT-NameSansDisplay-Medium.woff2') format('woff2');
    font-weight: 500;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Name Sans Display';
    src: url('fonts/AT-NameSansDisplay-Regular.woff2') format('woff2');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

/* ===== CSS VARIABLES ===== */
:root {
    /* Colors - edit these to change your site colors */
    --color-background: #F5F5FF;
    --color-text: #0B0068;
    --color-text-light: #666666;
    --color-link: #9200ED;
    --color-link-hover: #7400BE;

    /* Project card colors */
    --color-pink: #F8D7E8;
    --color-purple: #DDD5F0;
    --color-mint: #D4F0E7;
    --color-peach: #FFE4D0;

    /* Tag colors */
    --color-tag-bg: #E85D24;
    --color-tag-text: #FFFFFF;
    --color-tag-purple-bg: #9B7ED9;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;

    /* Layout */
    --max-width: 900px;
    --header-height: 80px;

    /* Border radius */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Name Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-background);
    min-height: 100vh;
}

/* Homepage pattern overlay */
body.homepage::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('images/background-pattern.png');
    background-repeat: repeat;
    background-size: 328px 216px;
    image-rendering: -webkit-crisp-edges;
    image-rendering: crisp-edges;
    pointer-events: none;
    z-index: 0;
}

body.homepage .header,
body.homepage .main {
    position: relative;
    z-index: 1;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3 {
    font-weight: 600;
    line-height: 1.3;
}

h1 {
    font-size: 1.75rem;
}

h2 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

h3 {
    font-size: 1.1rem;
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
}

p {
    margin-bottom: var(--spacing-sm);
}

.link {
    color: var(--color-link);
    text-decoration: none;
    transition: color 0.2s ease;
}

.link:hover {
    color: var(--color-link-hover);
    text-decoration: underline;
}

.link-purple {
    color: #9200ED;
    text-decoration: none;
    transition: color 0.2s ease;
}

.link-purple:hover {
    color: #7400BE;
    text-decoration: underline;
}

/* ===== HEADER ===== */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    max-width: var(--max-width);
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    color: var(--color-text);
}

.avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-image: url('images/avatar.png');
    background-size: cover;
    background-position: center;
}

.logo-text {
    font-size: 24px;
    font-weight: 600;
}

/* Desktop Navigation */
.nav-desktop {
    display: flex;
    gap: var(--spacing-md);
}

.nav-link {
    font-family: 'Name Sans Display', 'Name Sans', sans-serif;
    font-weight: 500;
    color: var(--color-text);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.2s ease;
}

.nav-link:hover {
    color: var(--color-link);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.menu-icon {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-text);
    position: relative;
}

.menu-icon::before,
.menu-icon::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background-color: var(--color-text);
    left: 0;
}

.menu-icon::before {
    top: -8px;
}

.menu-icon::after {
    top: 8px;
}

/* Mobile Navigation Overlay */
.nav-mobile {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(245, 245, 255, 0.98);
    z-index: 100;
    padding: var(--spacing-lg);
    flex-direction: column;
}

.nav-mobile.active {
    display: flex;
}

.menu-close {
    align-self: flex-end;
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    padding: var(--spacing-xs);
    color: var(--color-text);
}

.nav-mobile-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.nav-link-mobile {
    font-family: 'Name Sans Display', 'Name Sans', sans-serif;
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--color-text);
    text-decoration: none;
}

.nav-link-mobile:hover {
    color: var(--color-link);
}

/* ===== MAIN CONTENT ===== */
.main {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--spacing-md) var(--spacing-lg);
}

/* ===== PROJECT GRID ===== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.project-card {
    text-decoration: none;
    color: var(--color-text);
}

.project-card-wide {
    grid-column: span 2;
}

.project-image {
    aspect-ratio: 4 / 3;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
    overflow: hidden;
}

.project-card-wide .project-image {
    aspect-ratio: 16 / 9;
}

/* Project card background colors */
.project-image.pink { background-color: var(--color-pink); }
.project-image.purple { background-color: var(--color-purple); }
.project-image.lavender { background-color: #E8E8FF; }
.project-image.light-cyan { background-color: #DEF7FF; }
.project-image.mint { background-color: var(--color-mint); }
.project-image.peach { background-color: var(--color-peach); }
.project-image.light-blue { background-color: #D0E8FF; }

.project-thumbnail {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    padding-top: 16px;
    align-self: flex-end;
}

.project-thumbnail.project-thumbnail-padded {
    padding: 32px;
    align-self: center;
}

/* Wave stickers thumbnail - centered with even padding */
.stickers-image .project-thumbnail {
    align-self: center;
    padding: 16px;
    max-width: 90%;
    max-height: 90%;
}

/* Trends thumbnail - larger size and more top padding */
.trends-thumbnail {
    transform: scale(1.61);
    padding-top: 48px !important;
}

.trends-image {
    overflow: visible;
    background-color: #DFE1FF !important;
}

/* Coming Soon Banner */
.coming-soon-banner {
    position: absolute;
    top: 30px;
    left: -60px;
    background-color: #5C5CFE;
    color: #F2F2FF;
    padding: 10px 80px;
    font-family: 'Name Sans Display', sans-serif;
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 1px;
    transform: rotate(-45deg);
    transform-origin: center;
    z-index: 10;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    white-space: nowrap;
}

/* Disabled project card (non-clickable) */
.project-card-disabled {
    cursor: default;
    pointer-events: none;
}

.project-card-disabled .project-image {
    position: relative;
    overflow: hidden;
}

/* Placeholder for phone mockups */
.placeholder-phone {
    width: 60%;
    height: 80%;
    background: linear-gradient(180deg, #f0f0f0 0%, #e0e0e0 100%);
    border-radius: var(--radius-lg);
    border: 3px solid #333;
    /* Replace with actual images:
       background-image: url('images/vault-phone.png');
       background-size: contain;
       background-repeat: no-repeat;
       background-position: center;
    */
}

.placeholder-stickers {
    width: 80%;
    height: 80%;
    background: repeating-linear-gradient(
        45deg,
        transparent,
        transparent 20px,
        rgba(0,0,0,0.03) 20px,
        rgba(0,0,0,0.03) 40px
    );
    /* Replace with stickers image */
}

.project-title {
    font-family: 'Name Sans Display', 'Name Sans', sans-serif;
    font-size: 32px;
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
    color: #0B0068;
}

.project-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--spacing-xs);
    font-family: 'Name Sans Display', 'Name Sans', sans-serif;
    font-size: 18px;
    font-weight: 400;
    color: #0B0068;
}

.tag {
    display: inline-block;
    padding: 0.1rem 0.4rem;
    background-color: #D1CCFF;
    color: #0B0068;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 500;
}

.tag-purple {
    background-color: var(--color-tag-purple-bg);
    color: #FFFFFF;
}

.project-desc::before {
    content: '· ';
}

/* ===== ABOUT PAGE ===== */
.about-main {
    padding-top: var(--spacing-xl);
}

.about-section {
    max-width: 600px;
}

.about-image-placeholder {
    width: 120px;
    height: 120px;
    background-image: url('images/avatar.png');
    background-size: cover;
    background-position: center;
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
}

.about-greeting {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

.about-content {
    margin-bottom: var(--spacing-xl);
}

.contact-section,
.more-section {
    margin-bottom: var(--spacing-xl);
}

.section-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.about-footer {
    color: var(--color-text-light);
    font-style: italic;
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
}

/* ===== CASE STUDY PAGE ===== */
.case-study-main {
    padding-top: var(--spacing-lg);
}

.case-study {
    max-width: 750px;
    margin: 0 auto;
}

.case-study-header {
    margin-bottom: var(--spacing-xl);
}

.case-study-title {
    font-family: 'Name Sans Display', 'Name Sans', sans-serif;
    font-size: 1.75rem;
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
    color: #0B0068;
}

.case-study-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-light);
    font-size: 0.9rem;
}

.meta-text {
    margin-left: var(--spacing-xs);
}

/* Case study hero image */
.case-study-hero {
    aspect-ratio: 16 / 9;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    overflow: hidden;
    max-width: 720px;
    margin-left: 0;
    margin-right: 0;
}

@media (max-width: 950px) {
    .case-study-hero {
        max-width: 100%;
        margin-left: 0;
        margin-right: 0;
    }
}

@media (max-width: 768px) {
    .case-study-hero {
        align-items: flex-end;
    }

    .case-study-hero.full-width .hero-image {
        padding: 16px;
    }
}

.case-study-hero.pink { background-color: var(--color-pink); }
.case-study-hero.purple { background-color: var(--color-purple); }
.case-study-hero.lavender { background-color: #E8E8FF; }
.case-study-hero.light-cyan { background-color: #DEF7FF; }
.case-study-hero.mint { background-color: var(--color-mint); }
.case-study-hero.peach { background-color: var(--color-peach); }

.hero-image {
    max-width: 85%;
    max-height: 100%;
    object-fit: contain;
    padding-top: 40px;
}

.hero-image.hero-image-padded {
    padding: 40px;
}

.hero-image.hero-image-flush-bottom {
    padding: 40px 40px 0 40px;
    max-width: 95%;
}

@media (max-width: 768px) {
    .hero-image {
        max-width: 50%;
        max-height: 75%;
        padding-top: 8px;
        padding-left: 4px;
        padding-right: 4px;
        padding-bottom: 0;
    }

    .hero-image.hero-image-padded {
        padding: 16px;
        max-width: 75%;
        max-height: 85%;
    }

    .hero-image.hero-image-flush-bottom {
        padding-top: 8px;
        padding-left: 4px;
        padding-right: 4px;
        padding-bottom: 0;
        max-width: 55%;
        max-height: 75%;
    }
}

.case-study-image {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-sm);
}

.case-study-video {
    max-width: 48%;
    height: auto;
    border-radius: var(--radius-sm);
}

@media (max-width: 768px) {
    .case-study-video {
        max-width: 100%;
    }
}

/* Case study info rows */
.case-study-info {
    margin-top: var(--spacing-md);
}

.info-row {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
    font-family: 'Name Sans Display', 'Name Sans', sans-serif;
    font-weight: 400;
    font-size: 0.95rem;
}

.info-label {
    color: var(--color-text-light);
    min-width: 70px;
}

.info-value {
    color: #0B0068;
}

.case-study-section {
    margin-bottom: var(--spacing-xl);
    font-family: 'Name Sans Display', 'Name Sans', sans-serif;
    font-weight: 400;
    color: #0B0068;
}

.case-study-section h2 {
    font-family: 'Name Sans Display', 'Name Sans', sans-serif;
    font-size: 1.35rem;
    font-weight: 500;
    margin-bottom: var(--spacing-md);
}

.case-study-image-group {
    display: flex;
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
    flex-wrap: wrap;
    max-width: 900px;
    margin-left: -75px;
    margin-right: -75px;
}

.case-study-image-grid {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 140px));
    gap: var(--spacing-md);
    margin: var(--spacing-lg) auto;
    max-width: 900px;
    justify-content: center;
}

.case-study-image-grid .case-study-image {
    width: 100%;
    max-width: 100%;
    height: auto;
    grid-column: span 2;
}

/* Center 2 images when there are 5 total (3 in first row, 2 in second row) */
.case-study-image-grid .case-study-image:nth-last-child(2):nth-child(4) {
    grid-column: 2 / span 2;
}

/* Center 2 images when there are 8 total (3-3-2 layout) */
.case-study-image-grid .case-study-image:nth-last-child(2):nth-child(7) {
    grid-column: 2 / span 2;
}

.case-study-image-grid-2col {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin: var(--spacing-lg) auto;
    max-width: 630px;
}

.case-study-image-grid-2col .case-study-image {
    width: 100%;
    max-width: 100%;
    height: auto;
}

.case-study-image.span-2 {
    grid-column: span 2;
}

.case-study-image-grid-2col.wide {
    max-width: 900px;
    grid-template-columns: 0.7fr 1.3fr;
}

@media (max-width: 950px) {
    .case-study-image-group {
        max-width: 100%;
        margin-left: 0;
        margin-right: 0;
    }

    .case-study-image-grid {
        max-width: 100%;
        margin-left: 0;
        margin-right: 0;
    }

    .case-study-image-grid-2col {
        max-width: 100%;
        margin-left: 0;
        margin-right: 0;
    }
}

@media (max-width: 768px) {
    .case-study-image-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .case-study-image-grid .case-study-image {
        grid-column: span 1;
    }

    /* Center last image when there's an odd number of images */
    .case-study-image-grid .case-study-image:nth-child(odd):last-child {
        grid-column: 1 / -1;
        justify-self: center;
        max-width: 50%;
    }

    /* Reset centering rules on mobile - not needed with 2 columns */
    .case-study-image-grid .case-study-image:nth-last-child(2):nth-child(4),
    .case-study-image-grid .case-study-image:nth-last-child(2):nth-child(7) {
        grid-column: span 1;
    }

    .case-study-image-grid-2col {
        grid-template-columns: repeat(2, 1fr);
    }
}

.phone-placeholder {
    width: 150px;
    height: 300px;
    background: linear-gradient(180deg, #f5f5f5 0%, #e8e8e8 100%);
    border-radius: var(--radius-lg);
    border: 3px solid #333;
    flex-shrink: 0;
    /* Replace with actual screenshots:
       background-image: url('images/vault-screenshot-1.png');
       background-size: cover;
    */
}

.case-study-list {
    margin: var(--spacing-md) 0;
    padding-left: var(--spacing-md);
}

.case-study-list li {
    margin-bottom: var(--spacing-xs);
}

/* Stickers layout */
.sticker-row {
    margin: var(--spacing-lg) 0;
    text-align: center;
}

.sticker-single {
    max-width: 100%;
    height: auto;
}

/* Full-width hero (no aspect ratio constraint) */
.case-study-hero.full-width {
    aspect-ratio: unset;
    max-width: none;
    margin-left: -50px;
    margin-right: -50px;
}

.case-study-hero.full-width .hero-image {
    max-width: 100%;
    max-height: none;
}

.back-link {
    display: inline-block;
    margin-top: var(--spacing-lg);
    color: var(--color-link);
    text-decoration: none;
    font-weight: 500;
}

.back-link:hover {
    text-decoration: underline;
}

/* ===== RESPONSIVE DESIGN ===== */

/* Tablet and below */
@media (max-width: 768px) {
    .nav-desktop {
        display: none;
    }

    .menu-toggle {
        display: block;
    }

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

    .project-card-wide {
        grid-column: span 1;
    }

    .project-image {
        aspect-ratio: 16 / 10;
    }

    .project-thumbnail {
        max-width: 65%;
        max-height: 75%;
        padding-top: 8px;
        padding-left: 4px;
        padding-right: 4px;
        padding-bottom: 0;
    }

    .project-thumbnail.project-thumbnail-padded {
        padding: 16px;
        max-width: 85%;
        max-height: 85%;
    }

    .header {
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .main {
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .case-study-image-group {
        justify-content: center;
    }

    .phone-placeholder {
        width: 130px;
        height: 260px;
    }
}

/* Mobile */
@media (max-width: 480px) {
    :root {
        --spacing-lg: 1.5rem;
        --spacing-xl: 2rem;
    }

    h1 {
        font-size: 1.5rem;
    }

    .logo-text {
        font-size: 22px;
    }

    .avatar {
        width: 40px;
        height: 40px;
    }

    .project-title {
        font-size: 24px;
    }

    .project-meta {
        font-size: 14px;
    }

    .case-study-title {
        font-size: 1.4rem;
    }

    .case-study-hero {
        align-items: flex-end;
    }

    .case-study-hero.full-width .hero-image {
        padding: 16px;
    }

    .hero-image {
        max-width: 50%;
        max-height: 75%;
        padding-top: 8px;
        padding-left: 4px;
        padding-right: 4px;
        padding-bottom: 0;
    }

    .hero-image.hero-image-padded {
        padding: 16px;
        max-width: 75%;
        max-height: 85%;
    }

    .hero-image.hero-image-flush-bottom {
        padding-top: 8px;
        padding-left: 4px;
        padding-right: 4px;
        padding-bottom: 0;
        max-width: 55%;
        max-height: 75%;
    }

    .project-thumbnail {
        max-width: 65%;
        max-height: 75%;
        padding-top: 8px;
        padding-left: 4px;
        padding-right: 4px;
        padding-bottom: 0;
    }

    .project-thumbnail.project-thumbnail-padded {
        padding: 16px;
        max-width: 85%;
        max-height: 85%;
    }
}

/* ===== UTILITY CLASSES ===== */
/* Use these to quickly style elements */

.text-center { text-align: center; }
.text-light { color: var(--color-text-light); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }