/* ============================================
   JUMU DESIGNER — Portfolio
   ============================================ */

:root {
    --bg:       #F7F4EF;
    --bg-card:  #FFFFFF;
    --text:     #1A1916;
    --muted:    #888580;
    --border:   #E5E2DC;
    --radius:   12px;
    --nav-h:    68px;
    --f-head:   'Cormorant Garamond', Georgia, serif;
    --f-body:   'Inter', system-ui, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--f-body);
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* ─── NAV ─── */
.nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: var(--nav-h);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 6vw;
    background: rgba(247, 244, 239, 0.88);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid transparent;
    transition: border-color 0.3s;
    z-index: 200;
}

.nav.scrolled { border-color: var(--border); }

.nav-logo {
    font-family: var(--f-head);
    font-size: 1.6rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    color: var(--text);
    text-decoration: none;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2.5rem;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--muted);
    font-size: 0.85rem;
    font-weight: 400;
    letter-spacing: 0.02em;
    transition: color 0.2s;
}

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

.nav-right {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.lang-switcher {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.lang-sep {
    color: var(--border);
    font-size: 0.75rem;
    user-select: none;
}

.lang-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-family: var(--f-body);
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    color: var(--muted);
    padding: 2px 0;
    transition: color 0.2s;
}

.lang-btn:hover,
.lang-btn.active {
    color: var(--text);
}

.lang-btn.active {
    border-bottom: 1px solid var(--text);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 1.5px;
    background: var(--text);
    transition: transform 0.3s;
}

/* ─── HERO ─── */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(18px); }
    to   { opacity: 1; transform: translateY(0);    }
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: calc(var(--nav-h) + 5rem) 6vw 7rem;
    position: relative;
    overflow: hidden;
}

.hero-content { max-width: 680px; position: relative; z-index: 1; }

.hero-label {
    font-size: 0.72rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--muted);
    font-weight: 400;
    margin-bottom: 1.5rem;
    animation: fadeUp 0.8s ease 0.1s both;
}

.hero-title {
    font-family: var(--f-head);
    font-size: clamp(3.8rem, 8.5vw, 7.5rem);
    font-weight: 400;
    line-height: 1.04;
    letter-spacing: -0.01em;
    color: var(--text);
    margin-bottom: 1.5rem;
    animation: fadeUp 0.8s ease 0.2s both;
}

.hero-title em {
    font-style: italic;
    color: var(--muted);
}

.hero-sub {
    font-size: 0.82rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--muted);
    font-weight: 300;
    margin-bottom: 2.8rem;
    animation: fadeUp 0.8s ease 0.3s both;
}

.btn {
    display: inline-flex;
    align-items: center;
    padding: 0.9rem 2.1rem;
    background: var(--text);
    color: var(--bg);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.03em;
    border-radius: 100px;
    transition: transform 0.25s, box-shadow 0.25s;
    animation: fadeUp 0.8s ease 0.4s both;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(26, 25, 22, 0.2);
}

/* decorative circles */
.hero-deco {
    position: absolute;
    top: 50%;
    right: 6vw;
    transform: translateY(-50%);
    pointer-events: none;
}

.deco-circle {
    width: clamp(200px, 32vw, 460px);
    height: clamp(200px, 32vw, 460px);
    border-radius: 50%;
    border: 1px solid var(--border);
    position: relative;
    animation: fadeUp 1s ease 0.5s both;
}

.deco-circle::before {
    content: '';
    position: absolute;
    inset: 18%;
    border-radius: 50%;
    border: 1px solid var(--border);
}

.deco-circle::after {
    content: '';
    position: absolute;
    inset: 36%;
    border-radius: 50%;
    border: 1px solid var(--border);
}

/* ─── SHARED SECTION ─── */
.section-tag {
    display: inline-block;
    font-size: 0.72rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--muted);
    font-weight: 400;
    margin-bottom: 0.6rem;
}

.section-title {
    font-family: var(--f-head);
    font-size: clamp(2.2rem, 5vw, 3.8rem);
    font-weight: 400;
    line-height: 1.1;
}

/* ─── PORTFOLIO ─── */
.portfolio {
    padding: 8rem 6vw;
}

.section-header {
    margin-bottom: 4rem;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 4rem 3rem;
}

.project-card {
    cursor: pointer;
    text-decoration: none;
    color: inherit;
    display: block;
}

.project-card.will-animate {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.project-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.project-img {
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: 68%;
    overflow: hidden;
    background: #EDEAE4;
}

.project-img img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    -webkit-transition: transform 0.7s ease;
    transition: transform 0.7s ease;
}

.project-card:hover .project-img img {
    -webkit-transform: scale(1.04);
    transform: scale(1.04);
}

.project-info {
    padding: 1.4rem 0 0;
}

.project-tag {
    display: block;
    font-size: 0.68rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--muted);
    font-weight: 400;
    margin-bottom: 0.4rem;
}

.project-name {
    font-family: var(--f-head);
    font-size: clamp(1.5rem, 2.5vw, 2rem);
    font-weight: 400;
    letter-spacing: 0.01em;
    color: var(--text);
    margin-bottom: 0.5rem;
    line-height: 1.15;
}

.project-desc {
    font-size: 0.85rem;
    color: var(--muted);
    line-height: 1.65;
    font-weight: 300;
    max-width: 42ch;
}

/* ─── CONTACT ─── */
.contact {
    padding: 9rem 6vw;
    background: var(--text);
    text-align: center;
}

.contact .section-tag {
    color: rgba(247, 244, 239, 0.45);
}

.contact-title {
    font-family: var(--f-head);
    font-size: clamp(2.8rem, 6.5vw, 5.5rem);
    font-weight: 400;
    line-height: 1.1;
    color: var(--bg);
    margin-bottom: 1.5rem;
}

.contact-title em {
    font-style: italic;
    opacity: 0.6;
}

.contact-sub {
    font-size: 0.95rem;
    color: rgba(247, 244, 239, 0.55);
    max-width: 460px;
    margin: 0 auto 3.5rem;
    line-height: 1.8;
    font-weight: 300;
}

.contact-links {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.contact-link {
    color: var(--bg);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 400;
    border-bottom: 1px solid rgba(247, 244, 239, 0.25);
    padding-bottom: 3px;
    transition: border-color 0.2s;
}

.contact-link:hover { border-color: var(--bg); }

/* ─── FOOTER ─── */
.footer {
    background: var(--text);
    border-top: 1px solid rgba(247, 244, 239, 0.08);
    padding: 1.8rem 6vw;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.footer p,
.footer a {
    font-size: 0.78rem;
    color: rgba(247, 244, 239, 0.35);
    font-weight: 300;
}

.footer a {
    text-decoration: none;
    transition: color 0.2s;
}

.footer a:hover { color: var(--bg); }

/* ─── CONTACT FORM ─── */
.contact-form {
    max-width: 560px;
    margin: 0 auto 3.5rem;
    text-align: left;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}

.form-input {
    width: 100%;
    background: rgba(247, 244, 239, 0.08);
    border: 1px solid rgba(247, 244, 239, 0.18);
    border-radius: 8px;
    padding: 0.85rem 1rem;
    color: var(--bg);
    font-family: var(--f-body);
    font-size: 0.88rem;
    font-weight: 300;
    outline: none;
    transition: border-color 0.2s;
    -webkit-appearance: none;
}

.form-input::placeholder {
    color: rgba(247, 244, 239, 0.35);
}

.form-input:focus {
    border-color: rgba(247, 244, 239, 0.5);
}

.form-textarea {
    resize: vertical;
    min-height: 130px;
    margin-bottom: 1.2rem;
    display: block;
}

.form-footer {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.form-btn {
    display: inline-flex;
    align-items: center;
    padding: 0.85rem 2rem;
    background: var(--bg);
    color: var(--text);
    border: none;
    border-radius: 100px;
    font-family: var(--f-body);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.03em;
    cursor: pointer;
    transition: transform 0.25s, box-shadow 0.25s;
}

.form-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.25);
}

.form-msg {
    font-size: 0.82rem;
    font-weight: 300;
    color: rgba(247, 244, 239, 0.6);
    min-height: 1.2em;
}

.form-msg.ok  { color: #8ecb8e; }
.form-msg.err { color: #e88e8e; }

/* ─── PROJECT PAGE ─── */
.project-page {
    padding: calc(var(--nav-h) + 4rem) 6vw 8rem;
    max-width: 1100px;
    margin: 0 auto;
}

.back-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--muted);
    text-decoration: none;
    font-size: 0.8rem;
    letter-spacing: 0.06em;
    font-weight: 400;
    margin-bottom: 3rem;
    transition: color 0.2s;
}

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

.project-page-img {
    width: 100%;
    height: 0;
    padding-bottom: 56%;
    position: relative;
    overflow: hidden;
    background: #EDEAE4;
    border-radius: var(--radius);
    margin-bottom: 3.5rem;
}

.project-page-img img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.project-page-info {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 2rem 4rem;
    align-items: start;
}

.project-page-meta {
    padding-top: 0.3rem;
}

.project-page-name {
    font-family: var(--f-head);
    font-size: clamp(2.2rem, 4.5vw, 3.5rem);
    font-weight: 400;
    line-height: 1.08;
    letter-spacing: -0.01em;
    color: var(--text);
    margin-bottom: 1.4rem;
}

.project-page-desc {
    font-size: 0.95rem;
    color: var(--muted);
    line-height: 1.85;
    font-weight: 300;
    max-width: 56ch;
}

/* ─── RESPONSIVE ─── */
@media (max-width: 960px) {
    .hero-deco { display: none; }
}

@media (max-width: 700px) {
    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

@media (max-width: 700px) {
    .project-page-info { grid-template-columns: 1fr; gap: 1.2rem; }
    .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
    .nav-links {
        display: none;
        position: fixed;
        top: var(--nav-h);
        left: 0;
        right: 0;
        height: calc(100vh - var(--nav-h));
        background: var(--bg);
        -webkit-box-orient: vertical;
        -webkit-box-direction: normal;
        -webkit-flex-direction: column;
        flex-direction: column;
        -webkit-box-align: center;
        -webkit-align-items: center;
        align-items: center;
        -webkit-box-pack: center;
        -webkit-justify-content: center;
        justify-content: center;
        gap: 2.2rem;
        z-index: 150;
        list-style: none;
    }

    .nav-links.open {
        display: -webkit-box;
        display: -webkit-flex;
        display: flex;
    }

    .nav-links a { font-size: 1.2rem; }

    .nav-toggle { display: flex; }

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

    .contact-links { flex-direction: column; gap: 1.5rem; }

    .footer { flex-direction: column; gap: 0.5rem; text-align: center; }

    .lang-switcher { gap: 0.3rem; }
}