/* =========================================================
   Homepage art-portfolio styling
========================================================= */
:root {
    --paper-base: #edf4ed;
    --paper-warm: #f7fbf7;
    --paper-deep: #abd1b5;
    --ink: #301014;
    --ink-soft: #5f4a45;
    --line: rgba(81, 41, 30, 0.22);
    --line-strong: rgba(81, 41, 30, 0.36);
    --accent: #51291e;
    --accent-deep: #301014;
    --accent-cool: #79b791;
    --shadow: 0 18px 46px rgba(48, 16, 20, 0.15);
    --shadow-soft: 0 10px 24px rgba(48, 16, 20, 0.1);
    --font-display: "Cormorant Garamond", serif;
    --font-body: "Manrope", sans-serif;
    --font-mono: "IBM Plex Mono", monospace;

    --ambient-strip-width: clamp(118px, 17vw, 228px);
    --ambient-platform-height: 11px;
    --ambient-platform-fill-top: rgba(247, 251, 247, 0.92);
    --ambient-platform-fill-bottom: rgba(171, 209, 181, 0.56);
    --ambient-platform-border: rgba(81, 41, 30, 0.32);
    --ambient-platform-glow: rgba(121, 183, 145, 0.24);
    --ambient-character-outline: rgba(48, 16, 20, 0.38);
    --ambient-character-shadow: rgba(48, 16, 20, 0.28);
    --ambient-character-hair: #301014;
    --ambient-character-skin: #cfb29d;
    --ambient-character-outfit: #79b791;
    --ambient-character-accent: #51291e;
}

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

html {
    scroll-behavior: smooth;
}

body {
    position: relative;
    min-height: 100vh;
    overflow-x: hidden;
    color: var(--ink);
    font-family: var(--font-body);
    background:
        radial-gradient(1200px 680px at -12% -10%, #d6e8da 0%, transparent 54%),
        radial-gradient(1100px 620px at 120% 3%, #c4dbca 0%, transparent 54%),
        linear-gradient(145deg, var(--paper-base), #e6efe5);
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: -1;
    opacity: 0.45;
    background:
        repeating-linear-gradient(
            42deg,
            rgba(255, 255, 255, 0) 0,
            rgba(255, 255, 255, 0) 12px,
            rgba(81, 41, 30, 0.03) 12px,
            rgba(81, 41, 30, 0.03) 13px
        );
}

/* =========================================================
   Ambient Left Module
========================================================= */
.ambient-left-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: var(--ambient-strip-width);
    pointer-events: none;
    z-index: 2;
}

.ambient-platform-track {
    position: relative;
    width: 100%;
    height: 100%;
}

.ambient-platform {
    position: absolute;
    height: var(--ambient-platform-height);
    border-radius: 999px;
    border: 1px solid var(--ambient-platform-border);
    background: linear-gradient(180deg, var(--ambient-platform-fill-top), var(--ambient-platform-fill-bottom));
    box-shadow:
        0 0 0 1px rgba(255, 255, 255, 0.16) inset,
        0 4px 12px var(--ambient-platform-glow);
}

.ambient-character-anchor {
    position: fixed;
    top: 50%;
    left: clamp(18px, 5.8vw, 82px);
    width: 56px;
    height: 92px;
    transform: translateY(-50%);
    pointer-events: none;
    z-index: 6;
}

.ambient-character-shadow {
    position: absolute;
    left: 8px;
    right: 8px;
    bottom: 0;
    height: 10px;
    border-radius: 999px;
    background: var(--ambient-character-shadow);
    filter: blur(1px);
    transform-origin: center;
}

.ambient-character {
    position: absolute;
    left: 8px;
    right: 8px;
    bottom: 9px;
    height: 74px;
    transform-origin: center bottom;
}

.ambient-character-body {
    position: absolute;
    left: 11px;
    right: 11px;
    bottom: 0;
    height: 36px;
    border-radius: 13px 13px 11px 11px;
    border: 1px solid var(--ambient-character-outline);
    background: linear-gradient(180deg, color-mix(in srgb, var(--ambient-character-outfit) 75%, white), var(--ambient-character-outfit));
}

.ambient-character-body::after {
    content: "";
    position: absolute;
    left: 6px;
    right: 6px;
    top: 9px;
    height: 3px;
    border-radius: 999px;
    background: color-mix(in srgb, var(--ambient-character-accent) 70%, white);
    opacity: 0.7;
}

.ambient-character-head {
    position: absolute;
    left: 10px;
    right: 10px;
    top: 4px;
    height: 34px;
    border-radius: 12px;
    border: 1px solid var(--ambient-character-outline);
    background: var(--ambient-character-skin);
}

.ambient-character-head::before {
    content: "";
    position: absolute;
    left: -1px;
    right: -1px;
    top: -1px;
    height: 12px;
    border-radius: 11px 11px 7px 7px;
    background: var(--ambient-character-hair);
}

.ambient-character-eye {
    position: absolute;
    top: 15px;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--ink);
}

.ambient-character-eye.left {
    left: 11px;
}

.ambient-character-eye.right {
    right: 11px;
}

/* =========================================================
   Sticky nav
========================================================= */
.site-nav {
    position: sticky;
    top: 14px;
    z-index: 60;
    width: min(1160px, calc(100% - 2.4rem));
    margin: 1rem auto 0;
    min-height: 62px;
    padding: 0.35rem 0.7rem 0.35rem 1.2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    border-radius: 18px;
    border: 1px solid var(--line);
    background: rgba(247, 251, 247, 0.84);
    box-shadow: var(--shadow-soft);
    backdrop-filter: blur(8px);
}

.nav-logo {
    text-decoration: none;
    color: var(--ink);
    font-family: var(--font-display);
    font-size: 1.62rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    line-height: 1;
}

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

.nav-links {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--ink-soft);
    font-family: var(--font-mono);
    font-size: 0.62rem;
    letter-spacing: 0.13em;
    text-transform: uppercase;
    padding: 0.55rem 0.9rem;
    border-radius: 999px;
    border: 1px solid transparent;
    transition: transform 0.18s ease, color 0.18s ease, border-color 0.18s ease, background-color 0.18s ease;
}

.nav-links a:hover {
    color: var(--accent-deep);
    border-color: var(--line);
    background: rgba(237, 244, 237, 0.84);
    transform: translateY(-1px);
}

.nav-links a.active {
    color: var(--paper-warm);
    background: var(--accent);
    border-color: var(--accent);
}

/* =========================================================
   Hero / profile section
========================================================= */
.profile-section {
    width: min(1160px, calc(100% - 2.4rem));
    margin: 1.35rem auto 0;
    padding: clamp(2rem, 4vw, 3.5rem);
    display: grid;
    grid-template-columns: minmax(0, 1fr) 365px;
    gap: clamp(2rem, 3.5vw, 3.5rem);
    align-items: start;
    background: linear-gradient(150deg, rgba(247, 251, 247, 0.96), rgba(230, 239, 229, 0.92));
    border: 1px solid var(--line);
    border-radius: 30px;
    box-shadow: var(--shadow);
}

.profile-left {
    animation: revealUp 0.62s ease both;
}

.profile-right {
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
    animation: revealUp 0.62s ease 0.12s both;
}

.profile-eyebrow {
    margin-bottom: 1rem;
    color: var(--accent-cool);
    font-family: var(--font-mono);
    font-size: 0.63rem;
    text-transform: uppercase;
    letter-spacing: 0.18em;
}

.profile-name {
    margin-bottom: 1rem;
    color: var(--ink);
    font-family: var(--font-display);
    font-size: clamp(3.5rem, 8.4vw, 6.8rem);
    line-height: 0.82;
    letter-spacing: -0.02em;
}

.profile-name span {
    color: var(--accent);
}

.profile-title {
    margin-bottom: 1.45rem;
    color: var(--ink-soft);
    font-family: var(--font-mono);
    font-size: 0.67rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

.profile-bio {
    margin-bottom: 1.65rem;
    max-width: 62ch;
    color: var(--ink-soft);
    line-height: 1.9;
    font-size: 0.99rem;
}

.contact-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.68rem;
}

.contact-link {
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.62rem 1rem;
    border-radius: 999px;
    border: 1px solid var(--line-strong);
    background: rgba(237, 244, 237, 0.8);
    color: var(--ink);
    font-family: var(--font-mono);
    font-size: 0.62rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: transform 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease;
}

.contact-link:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-soft);
}

.contact-link.primary {
    border-color: var(--accent);
    background: var(--accent);
    color: var(--paper-warm);
}

.contact-link.ghost {
    background: rgba(247, 251, 247, 0.88);
}

/* =========================================================
   Experience card and timeline
========================================================= */
.experience-wrap {
    position: relative;
    padding-top: 0;
}

.experience-wrap .profile-card {
    position: relative;
    z-index: 1;
}

.profile-card {
    border-radius: 18px;
    border: 1px solid var(--line-strong);
    background: var(--paper-warm);
    box-shadow: var(--shadow-soft);
    overflow: hidden;
}

.profile-card-header {
    padding: 0.9rem 1.15rem;
    border-bottom: 1px solid var(--line);
    color: var(--accent-cool);
    font-family: var(--font-mono);
    font-size: 0.62rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

.profile-card-body {
    padding: 1.15rem;
}

.experience-list {
    display: flex;
    flex-direction: column;
}

.exp-item {
    display: grid;
    grid-template-columns: 18px 1fr;
    gap: 0 0.85rem;
    padding-bottom: 1.18rem;
}

.exp-item:last-child {
    padding-bottom: 0;
}

.exp-timeline {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.exp-dot {
    width: 8px;
    height: 8px;
    margin-top: 4px;
    border-radius: 50%;
    flex-shrink: 0;
    border: 2px solid var(--paper-warm);
    background: var(--accent-cool);
}

.exp-line {
    width: 1px;
    flex: 1;
    margin-top: 4px;
    background: var(--line);
}

.exp-item:last-child .exp-line {
    display: none;
}

.exp-date {
    margin-bottom: 0.2rem;
    color: var(--ink-soft);
    font-family: var(--font-mono);
    font-size: 0.56rem;
    letter-spacing: 0.08em;
}

.exp-role {
    margin-bottom: 0.18rem;
    color: var(--ink);
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 700;
}

.exp-company {
    margin-bottom: 0.34rem;
    color: var(--accent);
    font-family: var(--font-mono);
    font-size: 0.6rem;
    letter-spacing: 0.06em;
}

.exp-desc {
    color: var(--ink-soft);
    font-size: 0.78rem;
    line-height: 1.65;
}

/* =========================================================
   Projects divider and tabs
========================================================= */
#projects {
    scroll-margin-top: 110px;
}

.section-divider,
.tab-nav,
.tab-panel {
    width: min(1160px, calc(100% - 2.4rem));
    margin-left: auto;
    margin-right: auto;
}

.section-divider {
    margin-top: 1.65rem;
    margin-bottom: 0.45rem;
    display: flex;
    align-items: center;
    gap: 1.1rem;
}

.section-divider-label {
    color: var(--accent-deep);
    font-family: var(--font-display);
    font-size: clamp(1.45rem, 2.2vw, 2.15rem);
    font-weight: 600;
    letter-spacing: 0.03em;
    white-space: nowrap;
}

.section-divider-line {
    height: 1px;
    background: var(--line-strong);
    flex: 1;
}

.tab-nav {
    border-bottom: 1px solid var(--line);
    margin-bottom: 0.95rem;
}

.tab-btn {
    cursor: pointer;
    border: none;
    margin-bottom: -1px;
    padding: 0.62rem 1.25rem;
    background: transparent;
    color: var(--ink-soft);
    font-family: var(--font-mono);
    font-size: 0.62rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    border-bottom: 2px solid transparent;
    transition: color 0.18s ease, border-color 0.18s ease;
}

.tab-btn:hover {
    color: var(--accent-deep);
}

.tab-btn.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

.tab-panel {
    display: none;
    padding-bottom: 2.4rem;
    flex-direction: column;
    gap: 1.85rem;
}

.tab-panel.active {
    display: flex;
}

.section-label {
    margin-bottom: 1rem;
    color: var(--accent-cool);
    font-family: var(--font-mono);
    font-size: 0.62rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
}

.project-frame {
    width: 100%;
    height: 600px;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: var(--paper-warm);
    display: block;
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    transition: height 0.2s ease;
    animation: revealMask 0.7s ease both;
}

/* =========================================================
   Motion
========================================================= */
@keyframes revealUp {
    from {
        opacity: 0;
        transform: translateY(18px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes revealMask {
    from {
        opacity: 0;
        clip-path: inset(0 0 26% 0);
    }
    to {
        opacity: 1;
        clip-path: inset(0 0 0 0);
    }
}

/* =========================================================
   Responsive
========================================================= */
@media (max-width: 900px) {
    .site-nav,
    .profile-section,
    .section-divider,
    .tab-nav,
    .tab-panel {
        width: calc(100% - 1.2rem);
    }

    .site-nav {
        top: 8px;
        min-height: 56px;
        padding: 0.35rem 0.55rem 0.35rem 0.9rem;
    }

    .nav-logo {
        font-size: 1.34rem;
    }

    .nav-links a {
        padding: 0.5rem 0.72rem;
        font-size: 0.58rem;
    }

    .profile-section {
        grid-template-columns: 1fr;
        margin-top: 0.95rem;
        padding: 1.55rem;
        gap: 1.6rem;
    }

    .profile-name {
        font-size: clamp(2.9rem, 15vw, 4.2rem);
    }

    .ambient-left-layer {
        width: clamp(80px, 21vw, 122px);
        opacity: 0.62;
    }

    .ambient-character-anchor {
        left: 12px;
        transform: translateY(-50%) scale(0.84);
    }
}

@media (max-width: 640px) {
    .site-nav {
        flex-wrap: wrap;
        padding: 0.5rem 0.6rem;
        gap: 0.3rem;
    }

    .nav-links {
        width: 100%;
        justify-content: flex-end;
    }

    .contact-links {
        gap: 0.55rem;
    }

    .contact-link {
        font-size: 0.56rem;
        padding: 0.55rem 0.8rem;
    }

    .profile-bio {
        font-size: 0.92rem;
    }

    .section-divider {
        margin-top: 1.15rem;
    }

    .ambient-left-layer,
    .ambient-character-anchor {
        display: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation: none !important;
        transition: none !important;
        scroll-behavior: auto !important;
    }
}