:root {
    --bg: #060807;
    --bg-soft: #0a0d0c;
    --surface: rgba(255, 255, 255, .045);
    --surface-strong: rgba(255, 255, 255, .08);
    --text: #f5f7f5;
    --muted: #8c958f;
    --line: rgba(255, 255, 255, .09);
    --green: #d8a657;
    --green-soft: rgba(216, 166, 87, .14);
    --purple: #6f8faf;
    --dark: #060807;
}

[data-theme="light"] {
    --bg: #f8f5ef;
    --bg-soft: #ffffff;
    --surface: rgba(255, 255, 255, .78);
    --surface-strong: #ffffff;
    --text: #1a1815;
    --muted: #716b61;
    --line: rgba(44, 38, 30, .12);
    --dark: #ffffff;
}

* { box-sizing: border-box; }
html {
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
}
body {
    width: 100%;
    max-width: 100%;
    min-height: 100vh;
    min-height: 100dvh;
    background:
        linear-gradient(90deg, rgba(216, 166, 87, .18), transparent 30%, transparent 70%, rgba(111, 143, 175, .2)),
        var(--bg);
    color: var(--text);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    overflow-x: hidden;
}

main {
    max-width: 100%;
    overflow-x: hidden;
}

section {
    scroll-margin-top: 96px;
}

.loader {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: grid;
    place-items: center;
    background: var(--bg);
    transition: .35s ease;
}

.loader span {
    width: 38px;
    height: 38px;
    border: 3px solid var(--line);
    border-top-color: var(--green);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.loader.hidden { opacity: 0; visibility: hidden; }
@keyframes spin { to { transform: rotate(360deg); } }

.scroll-progress {
    position: fixed;
    inset: 0 auto auto 0;
    z-index: 999;
    height: 3px;
    width: 0;
    background: linear-gradient(90deg, var(--green), var(--purple));
    transform: translateZ(0);
    will-change: width;
}

.portfolio-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: auto;
    max-width: 100vw;
    margin-top: 14px;
    background: transparent;
    z-index: 1200;
}

.portfolio-nav .container {
    position: relative;
    overflow: visible;
    max-width: 1020px;
    min-height: 54px;
    padding: 6px 11px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: rgba(7, 9, 8, .94);
    box-shadow: 0 22px 70px rgba(0, 0, 0, .34);
}

[data-theme="light"] .portfolio-nav .container {
    background: rgba(255, 255, 255, .96);
    box-shadow: 0 18px 55px rgba(31, 41, 55, .11);
}

.navbar-brand,
.nav-link {
    color: var(--text) !important;
}

.navbar-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    min-width: max-content;
    margin: 0;
    font-size: 18px;
    font-weight: 800;
    line-height: 1;
}

.brand-mark {
    display: grid;
    place-items: center;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--green);
    color: #06100a;
    font-size: 12px;
    font-weight: 950;
}

.nav-link {
    color: var(--muted) !important;
    font-size: 12px;
    font-weight: 700;
    padding-inline: 14px !important;
}

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

.navbar-toggler {
    border-color: var(--line);
}

.navbar-toggler-icon {
    filter: invert(1);
}

[data-theme="light"] .navbar-toggler-icon {
    filter: none;
}

.theme-toggle {
    width: 34px;
    height: 34px;
    border: 1px solid var(--line);
    border-radius: 999px;
    color: var(--text);
    background: var(--surface);
}

.hero-section {
    position: relative;
    overflow: hidden;
    overflow-x: clip;
    padding: 94px 16px 28px;
}

.hero-section .container.position-relative {
    max-width: 1060px;
    border: 1px solid var(--line);
    border-radius: 28px;
    background:
        radial-gradient(circle at 78% 26%, rgba(216, 166, 87, .13), transparent 28%),
        linear-gradient(145deg, rgba(255, 255, 255, .045), rgba(255, 255, 255, .015)),
        rgba(5, 7, 6, .86);
    box-shadow: 0 30px 100px rgba(0, 0, 0, .34);
    overflow: hidden;
}

[data-theme="light"] .hero-section .container.position-relative {
    background:
        radial-gradient(circle at 78% 26%, rgba(216, 166, 87, .18), transparent 28%),
        linear-gradient(145deg, rgba(255, 255, 255, .96), rgba(247, 241, 231, .88));
    box-shadow: 0 28px 90px rgba(31, 41, 55, .12);
}

.hero-section .hero-row {
    --bs-gutter-x: 0;
    margin-left: 0 !important;
    margin-right: 0 !important;
    min-height: 560px !important;
    padding: 42px 34px !important;
}

.hero-section::before,
.hero-section::after {
    content: "";
    position: absolute;
    width: 360px;
    height: 360px;
    border-radius: 50%;
    opacity: .14;
    pointer-events: none;
}

.hero-section::before {
    left: -100px;
    top: 80px;
    background: radial-gradient(circle, var(--green), transparent 70%);
}

.hero-section::after {
    right: -120px;
    bottom: 40px;
    background: radial-gradient(circle, var(--purple), transparent 70%);
}

.availability {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    margin-bottom: 14px;
    color: var(--muted);
    font-size: 13px;
    font-weight: 700;
}

.availability span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 18px var(--green);
}

.hero-title {
    max-width: 560px;
    margin-bottom: 16px;
    font-size: clamp(42px, 6.4vw, 78px);
    line-height: .94;
    font-weight: 950;
    letter-spacing: 0;
}

.hero-title span {
    color: var(--green);
    text-shadow: 0 0 48px rgba(216, 166, 87, .24);
}

.hero-subtitle {
    margin-bottom: 10px;
    color: var(--text);
    font-size: clamp(18px, 2vw, 24px);
    font-weight: 850;
}

.hero-description {
    max-width: 600px;
    color: var(--muted);
    font-size: 15px;
}

.btn-glow,
.btn-soft {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    min-height: 42px;
    border-radius: 999px;
    padding-inline: 16px;
    font-size: 13px;
    font-weight: 850;
}

.btn-glow {
    border: 0;
    background: #f6fff9;
    color: #06100a;
    box-shadow: 0 18px 50px rgba(255, 255, 255, .16);
}

.btn-soft {
    border: 1px solid var(--line);
    background: transparent;
    color: var(--muted);
}

[data-theme="light"] .btn-glow {
    background: #101513;
    color: #ffffff;
    box-shadow: 0 18px 42px rgba(16, 21, 19, .16);
}

[data-theme="light"] .btn-soft {
    background: rgba(255, 255, 255, .72);
}

.btn-soft:hover {
    border-color: rgba(216, 166, 87, .45);
    color: var(--green);
}

.portrait-frame {
    position: relative;
    max-width: 340px;
    min-height: 400px;
    margin-left: auto;
    border: 1px solid rgba(216, 166, 87, .28);
    border-radius: 26px;
    padding: 13px;
    background:
        linear-gradient(145deg, rgba(216, 166, 87, .12), rgba(111, 143, 175, .09)),
        rgba(255, 255, 255, .035);
    box-shadow:
        0 0 0 8px rgba(216, 166, 87, .03),
        0 36px 120px rgba(0, 0, 0, .5);
}

[data-theme="light"] .portrait-frame {
    background:
        linear-gradient(145deg, rgba(216, 166, 87, .16), rgba(111, 143, 175, .08)),
        rgba(255, 255, 255, .8);
    box-shadow: 0 26px 80px rgba(31, 41, 55, .14);
}

.portrait-glow {
    position: absolute;
    inset: 38px;
    border-radius: 30px;
    background: radial-gradient(circle at 50% 22%, rgba(216, 166, 87, .22), transparent 55%);
}

.portrait-avatar {
    position: relative;
    display: grid;
    place-items: center;
    min-height: 280px;
    border-radius: 22px;
    overflow: hidden;
    background:
        radial-gradient(circle at 50% 18%, rgba(216, 166, 87, .24), transparent 30%),
        linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px),
        linear-gradient(0deg, rgba(255,255,255,.035) 1px, transparent 1px),
        linear-gradient(180deg, #101512, #050706);
    background-size: auto, 38px 38px, 38px 38px, auto;
}

[data-theme="light"] .portrait-avatar {
    background:
        radial-gradient(circle at 50% 18%, rgba(216, 166, 87, .2), transparent 30%),
        linear-gradient(90deg, rgba(44,38,30,.055) 1px, transparent 1px),
        linear-gradient(0deg, rgba(44,38,30,.055) 1px, transparent 1px),
        linear-gradient(180deg, #ffffff, #f1e9dc);
    background-size: auto, 38px 38px, 38px 38px, auto;
}

.portrait-avatar::before {
    content: "";
    position: absolute;
    inset: 0;
    border: 1px solid rgba(216, 166, 87, .18);
    border-radius: 22px;
    background:
        linear-gradient(180deg, rgba(0, 0, 0, .08) 0%, rgba(0, 0, 0, .12) 45%, rgba(0, 0, 0, .68) 100%),
        linear-gradient(145deg, rgba(216, 166, 87, .08), transparent);
    z-index: 2;
}

.portrait-avatar::after {
    content: none;
}

[data-theme="light"] .portrait-avatar::after {
    content: none;
}

.portrait-avatar img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    z-index: 1;
    filter: saturate(.9) contrast(1.02);
}

.portrait-badge {
    position: absolute;
    top: 84px;
    right: 6px;
    display: grid;
    place-items: center;
    width: 38px;
    height: 38px;
    border: 1px solid var(--line);
    border-radius: 50%;
    background: rgba(13, 16, 14, .86);
    color: var(--green);
}

[data-theme="light"] .portrait-badge {
    background: rgba(255, 255, 255, .86);
    color: #a16a1b;
    box-shadow: 0 10px 30px rgba(31, 41, 55, .12);
}

.portrait-meta {
    position: relative;
    display: grid;
    gap: 4px;
    margin-top: 12px;
    padding: 12px 14px;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: rgba(5, 7, 6, .72);
}

[data-theme="light"] .portrait-meta {
    background: rgba(255, 255, 255, .78);
}

.portrait-meta span {
    color: var(--green);
    font-size: 12px;
    font-weight: 850;
}

.portrait-meta strong {
    color: var(--text);
    font-size: 13px;
    line-height: 1.45;
}

.foundation-section,
.section-wrap {
    padding: 52px 16px;
    content-visibility: auto;
    contain-intrinsic-size: auto 500px;
}

.foundation-section .container,
.section-wrap .container {
    max-width: 1060px;
}

.compact-heading {
    max-width: 700px;
    margin: 0 auto 22px;
}

.compact-heading h2,
.section-heading h2 {
    margin-bottom: 10px;
    max-width: 840px;
    font-size: clamp(26px, 2.8vw, 36px);
    line-height: 1.08;
    font-weight: 950;
    letter-spacing: 0;
}

.compact-heading p,
.section-heading p {
    color: var(--muted);
}

.section-heading {
    margin-bottom: 24px;
}

.section-heading span {
    color: var(--green);
    font-size: 11px;
    font-weight: 900;
    letter-spacing: .12em;
    text-transform: uppercase;
}

.tech-wall {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
}

.tech-wall span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 40px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: rgba(255, 255, 255, .025);
    color: var(--muted);
    font-size: 12px;
    font-weight: 800;
}

.tech-wall i {
    color: var(--green);
}

.tech-wall img {
    width: 15px;
    height: 15px;
    object-fit: contain;
    flex: 0 0 auto;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.service-card,
.project-card,
.skill-card,
.contact-card,
.timeline article {
    border: 1px solid var(--line);
    border-radius: 24px;
    background:
        linear-gradient(145deg, rgba(255, 255, 255, .055), rgba(255, 255, 255, .018)),
        rgba(5, 7, 6, .88);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, .04);
    contain: layout style paint;
}

[data-theme="light"] .service-card,
[data-theme="light"] .project-card,
[data-theme="light"] .skill-card,
[data-theme="light"] .contact-card,
[data-theme="light"] .timeline article {
    background:
        linear-gradient(145deg, rgba(255, 255, 255, .92), rgba(248, 251, 248, .76)),
        rgba(255, 255, 255, .8);
    box-shadow: 0 18px 48px rgba(31, 41, 55, .08);
}

.service-card {
    min-height: 180px;
    padding: 22px;
}

.service-card i {
    display: grid;
    place-items: center;
    width: 36px;
    height: 36px;
    margin-bottom: 22px;
    border-radius: 14px;
    background: var(--green-soft);
    color: var(--green);
    font-size: 17px;
}

.service-card h3,
.project-card h3,
.skill-card h3 {
    font-size: 19px;
    font-weight: 900;
}

.service-card p,
.project-card p,
.timeline p {
    color: var(--muted);
}

.project-bento {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.project-card {
    grid-column: auto;
    display: grid;
    gap: 18px;
    min-height: 0;
    padding: 14px;
    overflow: hidden;
}

.project-card.featured {
    grid-column: auto;
}

.project-thumb {
    min-height: 140px;
    border-radius: 20px;
    overflow: hidden;
    background: #111511;
}

[data-theme="light"] .project-thumb {
    background: #eef5f0;
}

.project-thumb img {
    width: 100%;
    height: 160px;
    object-fit: cover;
}

.project-mock {
    position: relative;
    min-height: 148px;
    padding: 18px;
    background:
        radial-gradient(circle at 72% 20%, rgba(216, 166, 87, .2), transparent 24%),
        linear-gradient(145deg, #111612, #080a09);
}

[data-theme="light"] .project-mock {
    background:
        radial-gradient(circle at 72% 20%, rgba(216, 166, 87, .18), transparent 24%),
        linear-gradient(145deg, #ffffff, #f1e9dc);
}

.project-mock span {
    display: block;
    height: 18px;
    margin-bottom: 10px;
    border-radius: 8px;
    background: rgba(255, 255, 255, .07);
}

[data-theme="light"] .project-mock span {
    background: rgba(16, 21, 19, .09);
}

.project-mock span:nth-child(1) {
    width: 42%;
    background: var(--green);
}

.project-mock span:nth-child(2) {
    width: 76%;
}

.project-mock span:nth-child(3) {
    width: 58%;
}

.project-mock i {
    position: absolute;
    right: 20px;
    bottom: 18px;
    color: var(--green);
    font-size: 30px;
}

.project-body {
    padding: 2px 4px 6px;
}

.project-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 12px;
}

.project-meta span,
.skill-tags span {
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 7px 10px;
    color: var(--muted);
    font-size: 11px;
    font-weight: 800;
}

.project-card ul {
    color: var(--muted);
    padding-left: 18px;
    margin-bottom: 16px;
}

.project-actions {
    display: flex;
    gap: 14px;
}

.project-actions a {
    color: var(--green);
    font-size: 13px;
    font-weight: 900;
    text-decoration: none;
}

.timeline {
    position: relative;
    display: grid;
    gap: 14px;
    max-width: 860px;
    margin: 0 auto;
}

.timeline::before {
    content: "";
    position: absolute;
    left: 110px;
    top: 0;
    bottom: 0;
    width: 1px;
    background: var(--line);
}

.timeline article {
    position: relative;
    margin-left: 146px;
    padding: 18px 20px;
}

.timeline article::before {
    content: "";
    position: absolute;
    left: -43px;
    top: 25px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 0 8px rgba(216, 166, 87, .11);
}

.timeline span {
    position: absolute;
    left: -146px;
    top: 20px;
    width: 84px;
    text-align: right;
    color: var(--green);
    font-weight: 900;
}

.timeline h3 {
    margin-top: 0;
    margin-bottom: 8px;
    font-weight: 900;
    font-size: 20px;
}

.skill-card {
    min-height: 180px;
    padding: 20px;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 18px;
}

.skill-tags span {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text);
    background: rgba(255, 255, 255, .025);
}

.skill-tags img {
    width: 15px;
    height: 15px;
    object-fit: contain;
    flex: 0 0 auto;
}

.skill-tags i {
    color: var(--green);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.contact-card {
    min-height: 140px;
    padding: 20px;
    color: var(--text);
    text-decoration: none;
    transition: .2s ease;
}

.contact-card:hover {
    transform: translateY(-4px);
    border-color: rgba(216, 166, 87, .44);
}

.contact-card i {
    color: var(--green);
    font-size: 24px;
}

.contact-card span,
.contact-card strong {
    display: block;
    margin-top: 12px;
}

.contact-card span {
    color: var(--muted);
}

.ai-chat-widget {
    position: fixed;
    left: auto;
    top: auto;
    right: 22px;
    bottom: 78px;
    z-index: 60;
}

.ai-chat-widget.dragging {
    user-select: none;
}

.ai-chat-toggle {
    display: grid;
    place-items: center;
    width: 48px;
    height: 48px;
    border: 1px solid rgba(216, 166, 87, .34);
    border-radius: 999px;
    background: linear-gradient(135deg, var(--green), #efc16c);
    color: #17120a;
    box-shadow: 0 18px 50px rgba(0, 0, 0, .3);
    cursor: grab;
    touch-action: none;
}

.ai-chat-widget.dragging .ai-chat-toggle {
    cursor: grabbing;
}

.ai-chat-toggle i {
    font-size: 20px;
}

.ai-chat-panel {
    position: absolute;
    right: 0;
    bottom: 62px;
    display: none;
    width: min(360px, calc(100vw - 32px));
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 22px;
    background:
        linear-gradient(145deg, rgba(255, 255, 255, .075), rgba(255, 255, 255, .025)),
        rgba(5, 7, 6, .98);
    box-shadow: 0 26px 80px rgba(0, 0, 0, .45);
}

[data-theme="light"] .ai-chat-panel {
    background:
        linear-gradient(145deg, rgba(255, 255, 255, .96), rgba(247, 241, 231, .9)),
        rgba(255, 255, 255, .9);
    box-shadow: 0 24px 70px rgba(31, 41, 55, .18);
}

.ai-chat-widget.open .ai-chat-panel {
    display: block;
}

.ai-chat-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 15px;
    border-bottom: 1px solid var(--line);
}

.ai-chat-head span,
.ai-chat-head strong {
    display: block;
}

.ai-chat-head span {
    color: var(--green);
    font-size: 11px;
    font-weight: 900;
    letter-spacing: .1em;
    text-transform: uppercase;
}

.ai-chat-head strong {
    font-size: 15px;
}

.ai-chat-head button {
    display: grid;
    place-items: center;
    width: 34px;
    height: 34px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: var(--surface);
    color: var(--text);
}

.ai-chat-messages {
    display: grid;
    align-content: start;
    gap: 9px;
    height: 300px;
    padding: 14px;
    overflow-y: auto;
}

.ai-message {
    max-width: 86%;
    padding: 10px 12px;
    border: 1px solid var(--line);
    border-radius: 16px;
    color: var(--text);
    background: rgba(255, 255, 255, .045);
    font-size: 13px;
    line-height: 1.5;
    white-space: pre-wrap;
}

.ai-message.user {
    justify-self: end;
    border-color: rgba(216, 166, 87, .28);
    background: rgba(216, 166, 87, .13);
}

.ai-message.bot {
    justify-self: start;
}

.ai-message.loading {
    color: var(--muted);
}

.ai-message a {
    color: var(--green);
    font-weight: 850;
    text-decoration: none;
    overflow-wrap: anywhere;
}

.ai-message a:hover {
    text-decoration: underline;
}

.ai-chat-form {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 42px;
    gap: 8px;
    padding: 12px;
    border-top: 1px solid var(--line);
}

.ai-chat-form input {
    min-width: 0;
    height: 42px;
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 0 14px;
    outline: none;
    background: rgba(255, 255, 255, .045);
    color: var(--text);
    font-size: 13px;
}

.ai-chat-form input:focus {
    border-color: rgba(216, 166, 87, .45);
}

.ai-chat-form button {
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    border: 0;
    border-radius: 999px;
    background: var(--green);
    color: #17120a;
}

.back-to-top {
    position: fixed;
    right: 22px;
    bottom: 22px;
    z-index: 40;
    width: 44px;
    height: 44px;
    border: 1px solid var(--line);
    border-radius: 999px;
    color: var(--text);
    background: var(--surface);
    opacity: 0;
    pointer-events: none;
}

.back-to-top.show {
    opacity: 1;
    pointer-events: auto;
}

@media (max-width: 991px) {
    .portfolio-nav {
        top: 0;
        margin-top: 12px;
        left: 12px;
        right: 12px;
        width: auto;
    }

    .portfolio-nav .container {
        width: 100%;
        max-width: none;
        margin-left: 0;
        margin-right: 0;
        border-radius: 24px;
        min-height: auto;
    }

    .hero-section .hero-row {
        --bs-gutter-x: 0;
        margin-left: 0 !important;
        margin-right: 0 !important;
        min-height: auto !important;
        padding: 34px 20px !important;
    }

    .hero-section .container.position-relative {
        width: 100%;
        max-width: 100%;
        padding-left: 0;
        padding-right: 0;
    }

    .portfolio-nav .navbar-collapse {
        position: absolute;
        top: calc(100% + 10px);
        left: 0;
        right: 0;
        z-index: 1201;
        padding: 10px;
        border: 1px solid var(--line);
        border-radius: 18px;
        background: rgba(7, 9, 8, .98);
        box-shadow: 0 22px 70px rgba(0, 0, 0, .34);
    }

    [data-theme="light"] .portfolio-nav .navbar-collapse {
        background: rgba(255, 255, 255, .96);
        box-shadow: 0 18px 55px rgba(31, 41, 55, .14);
    }

    .portfolio-nav .navbar-nav {
        align-items: stretch !important;
        gap: 4px;
    }

    .portfolio-nav .nav-link {
        border-radius: 12px;
        padding: 12px 14px !important;
    }

    .portfolio-nav .nav-link:hover {
        background: var(--surface);
    }

    .portfolio-nav .theme-toggle {
        margin-top: 6px;
        width: 100%;
        border-radius: 12px;
    }

    .portfolio-nav .navbar-brand {
        max-width: calc(100vw - 112px);
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .portrait-frame {
        margin: 0 auto;
    }

    .tech-wall {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .service-grid,
    .project-bento,
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .project-card,
    .project-card.featured {
        grid-column: auto;
    }

    .section-wrap,
    .foundation-section {
        padding: 44px 14px;
    }

    .service-card,
    .skill-card,
    .contact-card {
        min-height: auto;
    }

    .project-thumb img {
        height: 150px;
    }
}

@media (max-width: 575px) {
    section {
        scroll-margin-top: 82px;
    }

    .portfolio-nav {
        top: 0;
        left: 8px;
        right: 8px;
        margin-top: 8px;
    }

    .portfolio-nav .container {
        padding: 7px 8px;
        border-radius: 18px;
    }

    .navbar-brand {
        gap: 8px;
        font-size: 16px;
        max-width: calc(100vw - 98px);
    }

    .brand-mark {
        width: 32px;
        height: 32px;
        font-size: 11px;
    }

    .navbar-toggler {
        padding: 6px 9px;
    }

    .theme-toggle {
        width: 32px;
        height: 32px;
    }

    .hero-section {
        padding: 106px 8px 22px;
    }

    .hero-section .container.position-relative {
        border-radius: 22px;
    }

    .hero-section .hero-row {
        --bs-gutter-x: 0;
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding: 30px 14px 26px !important;
    }

    .hero-title {
        font-size: 38px;
        line-height: .98;
    }

    .hero-subtitle {
        font-size: 17px;
        line-height: 1.45;
    }

    .hero-description {
        font-size: 14px;
    }

    .availability {
        font-size: 12px;
        margin-bottom: 12px;
    }

    .portrait-frame {
        max-width: none;
        width: 100%;
        min-height: auto;
        padding: 10px;
        border-radius: 22px;
    }

    .portrait-avatar {
        min-height: 245px;
        border-radius: 18px;
    }

    .portrait-meta {
        border-radius: 16px;
        padding: 11px 12px;
    }

    .portrait-badge {
        top: 56px;
        right: 2px;
        width: 34px;
        height: 34px;
    }

    .foundation-section,
    .section-wrap {
        padding: 38px 8px;
    }

    .compact-heading {
        margin-bottom: 20px;
    }

    .compact-heading h2,
    .section-heading h2 {
        font-size: 23px;
        line-height: 1.12;
    }

    .compact-heading p,
    .section-heading p {
        font-size: 14px;
    }

    .section-heading {
        margin-bottom: 16px;
    }

    .tech-wall {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 8px;
    }

    .tech-wall span {
        min-height: 36px;
        padding: 7px 8px;
        border-radius: 12px;
        font-size: 11px;
    }

    .service-grid,
    .contact-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 12px;
    }

    .project-bento {
        display: flex;
        grid-template-columns: none;
        gap: 12px;
        margin-inline: -8px;
        padding: 0 8px 12px;
        overflow-x: auto;
        overflow-y: hidden;
        scrollbar-width: none;
    }

    .project-bento::-webkit-scrollbar {
        display: none;
    }

    .service-card,
    .skill-card,
    .contact-card {
        padding: 14px;
    }

    .project-card {
        flex: 0 0 82vw;
        max-width: 330px;
        padding: 14px;
        gap: 12px;
    }

    .service-card i {
        width: 32px;
        height: 32px;
        margin-bottom: 14px;
    }

    .service-card h3,
    .skill-card h3,
    .project-card h3 {
        font-size: 18px;
    }

    .service-card p,
    .project-card p,
    .timeline p {
        font-size: 14px;
    }

    .project-thumb {
        min-height: 92px;
        border-radius: 16px;
    }

    .project-thumb img {
        height: 96px;
        max-height: 96px;
    }

    .project-mock {
        min-height: 96px;
        padding: 14px;
    }

    .project-mock span {
        height: 12px;
        margin-bottom: 8px;
    }

    .project-mock i {
        right: 16px;
        bottom: 14px;
        font-size: 23px;
    }

    .project-body h3 {
        font-size: 16px;
        margin-bottom: 6px;
    }

    .project-body p {
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
        font-size: 13px;
        margin-bottom: 10px;
    }

    .project-card ul {
        font-size: 13px;
        margin-bottom: 10px;
    }

    .project-card li:nth-child(n+3) {
        display: none;
    }

    .project-actions {
        gap: 12px;
    }

    .project-meta {
        gap: 6px;
        margin-bottom: 10px;
    }

    .project-meta span {
        max-width: 100%;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
        padding: 6px 9px;
        font-size: 10px;
    }

    .project-card ul {
        margin-bottom: 12px;
    }

    .skill-tags {
        gap: 8px;
    }

    .skill-tags span {
        padding: 6px 9px;
        font-size: 11px;
    }

    #skills .row {
        --bs-gutter-x: 0;
        --bs-gutter-y: 10px;
    }

    #skills .col-md-6 {
        flex: 0 0 auto;
        width: 100%;
    }

    #skills .skill-card {
        display: grid;
        grid-template-columns: 92px minmax(0, 1fr);
        align-items: start;
        gap: 12px;
        min-height: 0;
        padding: 14px;
        border-radius: 16px;
    }

    #skills .skill-card h3 {
        margin: 4px 0 0;
        font-size: 16px;
        line-height: 1.1;
    }

    #skills .skill-tags {
        margin-top: 0;
        gap: 7px;
    }

    #skills .skill-tags span {
        min-height: 30px;
        padding: 6px 8px;
        font-size: 10px;
        line-height: 1;
    }

    .contact-card {
        min-height: 116px;
    }

    .contact-card i {
        font-size: 20px;
    }

    .contact-card span,
    .contact-card strong {
        margin-top: 8px;
        font-size: 12px;
        overflow-wrap: anywhere;
    }

    .ai-chat-widget {
        right: 14px;
        bottom: 74px;
    }

    .ai-chat-panel {
        right: -2px;
        width: calc(100vw - 28px);
        max-height: 76vh;
    }

    .ai-chat-messages {
        height: min(300px, 46vh);
    }

    .timeline::before {
        left: 10px;
    }

    .timeline article {
        margin-left: 30px;
        padding: 13px 14px;
        border-radius: 16px;
    }

    .timeline article::before {
        left: -26px;
        top: 22px;
        width: 12px;
        height: 12px;
        box-shadow: 0 0 0 7px rgba(216, 166, 87, .1);
    }

    .timeline span {
        position: static;
        display: inline-block;
        width: auto;
        margin-bottom: 7px;
        text-align: left;
        font-size: 14px;
    }

    .timeline h3 {
        margin-bottom: 7px;
        font-size: 17px;
        line-height: 1.15;
    }

    .timeline p {
        display: -webkit-box;
        -webkit-line-clamp: 3;
        -webkit-box-orient: vertical;
        overflow: hidden;
        margin-bottom: 0;
        font-size: 13px;
        line-height: 1.55;
    }

    .btn-glow,
    .btn-soft {
        width: 100%;
        justify-content: center;
    }

    .service-card,
    .project-card,
    .skill-card,
    .contact-card,
    .timeline article {
        border-radius: 20px;
    }
}

@media (max-width: 360px) {
    .tech-wall,
    .service-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }

    #skills .col-md-6 {
        width: 100%;
    }
}