@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --color-text: #1a1a1a;
    --color-text-secondary: #1C1B1F;
    --color-text-tertiary: #999;
    --color-bg: #fff;
    --color-border: #e5e5e5;
    --color-accent: #0066ff;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --container-width: 1078px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    padding-top: 80px;
}

a {
    color: inherit;
    text-decoration: none;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 32px;
}

.container--narrow {
    max-width: 640px;
}

/* Header */
.header {
    padding: 24px 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
}

.header__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-weight: 600;
    font-size: 16px;
    color: var(--color-text);
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo__img {
    height: 20px;
    width: auto;
}

.footer__logo-img {
    height: 16px;
    width: auto;
}

.footer__logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer__logo-img {
    height: 24px;
    width: auto;
}

.nav {
    display: flex;
    gap: 40px;
}

.nav__link {
    font-size: 14px;
    color: var(--color-text-secondary);
    transition: color 0.2s;
}

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

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

/* Hero */
.hero {
    padding: 100px 0 40px;
}

/* Projects */
.projects {
    padding: 40px 0;
}

.hero__title {
    font-size: 64px;
    font-weight: 500;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -0.03em;
}

.hero__subtitle {
    font-size: 28px;
    color: var(--color-text-secondary);
    max-width: 100%;
    margin-bottom: 32px;
    line-height: 1.5;
    font-weight: 400;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    background: #F5F5F5;
    color: #1C1B1F;
    font-size: 16px;
    font-weight: 500;
    border-radius: 12px;
    transition: opacity 0.2s;
}

.btn:hover {
    opacity: 0.7;
}

.project {
    padding: 48px 0;
}

.project__title {
    font-size: 48px;
    font-weight: 500;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.project__image {
    background: var(--color-border);
    border-radius: 24px;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-secondary);
    font-size: 13px;
    margin-bottom: 24px;
    overflow: hidden;
}

.project__image img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 24px;
}

.project__content {
    max-width: 100%;
}

.project__description {
    color: var(--color-text-secondary);
    margin-bottom: 20px;
    line-height: 1.7;
    max-width: 100%;
}

.project__highlights {
    list-style: none;
    margin-bottom: 20px;
}

.project__highlights li {
    position: relative;
    padding-left: 14px;
    margin-bottom: 6px;
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

.project__highlights li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-text-tertiary);
}

.project__links {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 16px;
}

.project__link {
    display: inline-block;
    padding: 12px 24px;
    background: #F5F5F5;
    color: #1C1B1F;
    font-size: 16px;
    font-weight: 500;
    border-radius: 12px;
    transition: opacity 0.2s;
}

.project__link:hover {
    opacity: 0.7;
}

.project__link--muted {
    color: #1C1B1F;
}

/* About */
.about {
    padding: 60px 0;
}

.about__title {
    font-size: 48px;
    font-weight: 500;
    margin-bottom: 32px;
    letter-spacing: -0.02em;
    color: var(--color-text);
}

.about-page h2 {
    font-size: 48px;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: 24px;
    margin-top: 48px;
    letter-spacing: -0.02em;
}

.about-page h2:first-child {
    margin-top: 0;
}

.about__cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.about__card {
    padding: 28px 32px;
    background: #F5F5F7;
    border-radius: 24px;
    transition: opacity 0.2s;
}

.about__card:hover {
    opacity: 0.85;
}

.about__card h3 {
    font-size: 24px;
    font-weight: 500;
    margin-bottom: 12px;
}

.about__card p {
    font-size: 14px;
    color: var(--color-text-secondary);
    margin-bottom: 48px;
    line-height: 1.5;
}

.about__card-link {
    display: inline-block;
    padding: 12px 24px;
    background: #FFFFFF;
    color: #1C1B1F;
    font-size: 16px;
    font-weight: 500;
    border-radius: 12px;
}

.about__card-link:hover {
    opacity: 0.7;
}

/* Footer */
.footer {
    padding: 40px 0;
}

.footer__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer__name {
    font-weight: 500;
    font-size: 16px;
}

.footer__links {
    display: flex;
    gap: 24px;
}

.footer__links a {
    font-size: 14px;
    color: var(--color-text-secondary);
    transition: color 0.2s;
}

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

/* Project Detail */
.project-hero {
    padding: 48px 0 60px;
}

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

.project-hero__back,
.project-hero__next {
    display: inline-block;
    padding: 12px 24px;
    background: #F5F5F5;
    color: #1C1B1F;
    font-size: 16px;
    font-weight: 500;
    border-radius: 12px;
    transition: opacity 0.2s;
}

.project-hero__back:hover,
.project-hero__next:hover {
    opacity: 0.7;
}

.about-hero .project-hero__back {
    margin-bottom: 40px;
}

.about-hero .project-hero__title {
    margin-bottom: 0;
    font-size: 64px;
}

.about-page h2 {
    font-size: 48px;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: 24px;
    margin-top: 48px;
    letter-spacing: -0.02em;
}

.about-page h2:first-child {
    margin-top: 0;
}

.project-hero__title {
    font-size: 56px;
    font-weight: 500;
    line-height: 1.1;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.project-hero__subtitle {
    font-size: 22px;
    color: var(--color-text-secondary);
    max-width: 100%;
    margin-bottom: 40px;
    line-height: 1.5;
}

.project-hero__meta {
    display: flex;
    gap: 48px;
    flex-wrap: wrap;
}

.project-hero__meta-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.project-hero__meta-label {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-tertiary);
}

.project-hero__meta-value {
    font-size: 14px;
    color: var(--color-text);
}

.project-cover {
    padding: 0 0 60px;
}

.project-cover__image {
    background: var(--color-border);
    border-radius: 24px;
    min-height: 480px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-secondary);
    font-size: 13px;
    width: 100%;
}

.project-cover__image img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 24px;
}

.project-content {
    padding: 40px 0 60px;
    border-top: 1px solid var(--color-border);
}

.project-content h2 {
    font-size: 14px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-tertiary);
    margin-bottom: 12px;
    margin-top: 40px;
}

.project-content h2:first-child {
    margin-top: 0;
}

.project-content p {
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text-secondary);
    margin-bottom: 16px;
    max-width: 100%;
}

.project-content ul {
    list-style: none;
}

.project-content ul li {
    position: relative;
    padding-left: 16px;
    margin-bottom: 8px;
    font-size: 16px;
    color: var(--color-text-secondary);
}

.project-content ul li::before {
    content: '•';
    position: absolute;
    left: 0;
}

.project-screens {
    padding: 60px 0;
    border-top: 1px solid var(--color-border);
}

.project-screens h2 {
    font-size: 14px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-tertiary);
    margin-bottom: 32px;
}

.project-screens__grid {
    display: flex;
    flex-direction: column;
    gap: 80px;
}

.project-screens__item {
    width: 100%;
}

.project-screens__item img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 24px;
}

.project-screens__item-label {
    font-size: 13px;
    color: var(--color-text-tertiary);
    margin-top: 12px;
    text-align: center;
}



.project-nav {
    padding: 60px 0;
    border-top: 1px solid var(--color-border);
}

.about-page {
    padding: 0 0 60px;
}

.about-page p {
    font-size: 18px;
    line-height: 1.8;
    color: var(--color-text-secondary);
    margin-bottom: 20px;
    max-width: 100%;
}

.about-hero {
    padding-bottom: 40px;
}

.about-hero__subtitle {
    font-size: 22px;
    color: var(--color-text-secondary);
    max-width: 640px;
    margin-top: 16px;
    line-height: 1.5;
}

.about-page__photo {
    border-radius: 24px;
    margin-bottom: 48px;
    width: 100%;
    overflow: hidden;
}

.about-page__photo img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 24px;
}

.about-roles {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-top: 32px;
}

.about-role {
    padding: 28px 32px;
    background: #F5F5F7;
    border-radius: 24px;
}

.about-role h2 {
    font-size: 24px;
    font-weight: 500;
    margin-bottom: 12px;
    margin-top: 0;
}

.about-role p {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.5;
    margin-bottom: 0;
    max-width: 100%;
}

.approach-list {
    margin-top: 24px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.approach-item {
    padding-left: 24px;
    position: relative;
}

.approach-item::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-text);
    font-weight: 700;
}

.approach-item h2 {
    font-size: 18px;
    font-weight: 500;
    color: var(--color-text);
    margin: 0 0 12px 0;
}

.approach-item p {
    max-width: 100%;
}

.about-role p {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.5;
    margin-bottom: 0;
}

.about-page h3 {
    font-size: 18px;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: 12px;
}

.approach-list {
    margin-top: 24px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.approach-item {
    padding-left: 24px;
    position: relative;
}

.approach-item::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-text);
    font-weight: 700;
}

.approach-item h3 {
    margin: 0 0 12px 0;
    padding-top: 0;
}

/* Mobile */
@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }

    .nav {
        gap: 20px;
    }

    .nav__link {
        font-size: 13px;
    }

    .hero {
        padding: 60px 0 40px;
    }

    .hero__title {
        font-size: 36px;
    }

    .hero__subtitle {
        font-size: 20px;
    }

    .btn {
        font-size: 16px;
    }

    .project {
        padding: 32px 0;
    }

    .project__image {
        min-height: auto;
        background: transparent;
    }

    .project__title {
        font-size: 32px;
    }

    .project-hero__nav {
        flex-direction: row;
        flex-wrap: wrap;
        align-items: center;
    }

    .about__title {
        font-size: 32px;
    }

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

    .about__card {
        padding: 24px;
    }

    .about-roles {
        grid-template-columns: 1fr;
    }

    .footer__inner {
        flex-direction: column;
        gap: 24px;
        text-align: center;
    }

    .footer__links {
        gap: 20px;
    }

    .project-hero {
        padding: 32px 0 40px;
    }

    .project-hero__nav {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .project-hero__title {
        font-size: 36px;
    }

    .project-hero__subtitle {
        font-size: 18px;
    }

    .project-hero__meta {
        gap: 24px;
    }

    .project-cover__image {
        min-height: 240px;
    }

    .project-screens__grid {
        flex-direction: column;
    }
}