/* ==========================================================================
   M. Riyaz Ahamed — Portfolio Design System
   --------------------------------------------------------------------------
   1.  Design tokens
   2.  Reset & base
   3.  Typography
   4.  Layout primitives
   5.  Buttons & links
   6.  Header / navigation
   7.  Hero
   8.  Capability marquee
   9.  Selected work
   10. Live work
   11. About
   12. Skills
   13. Design x Code
   14. Experience
   15. Behance
   16. Contact
   17. Footer
   18. Case study pages
   19. Motion & reveal
   20. Placeholder content markers
   21. Responsive
   ========================================================================== */


/* ==========================================================================
   1. DESIGN TOKENS
   ========================================================================== */

:root {
    /* Type scale — fluid, 1.25 minor third */
    --font-display: 'Space Grotesk', system-ui, -apple-system, sans-serif;
    --font-body: 'Inter', system-ui, -apple-system, sans-serif;

    --fs-display: clamp(2.75rem, 1.6rem + 5.2vw, 6rem);
    --fs-h2: clamp(2rem, 1.35rem + 2.9vw, 3.75rem);
    --fs-h3: clamp(1.25rem, 1.1rem + 0.7vw, 1.6rem);
    --fs-h4: clamp(1.05rem, 1rem + 0.3vw, 1.2rem);
    --fs-lead: clamp(1.05rem, 0.98rem + 0.4vw, 1.3rem);
    --fs-body: 1rem;
    --fs-sm: 0.875rem;
    --fs-xs: 0.78rem;

    /* Neutral palette — light theme */
    --paper: #f7f7f5;
    --surface: #ffffff;
    --surface-2: #f1f1ee;
    --ink: #0e0e11;
    --ink-2: #3d3d45;
    --ink-3: #6b6b76;
    --line: rgba(14, 14, 17, 0.10);
    --line-strong: rgba(14, 14, 17, 0.20);

    /* Single accent colour */
    --accent: #2e3adf;
    --accent-hover: #222cbb;
    --accent-soft: rgba(46, 58, 223, 0.07);
    --on-accent: #ffffff;

    /* Spacing scale */
    --space-2xs: 0.375rem;
    --space-xs: 0.625rem;
    --space-sm: 1rem;
    --space-md: 1.75rem;
    --space-lg: 3rem;
    --space-xl: 5rem;
    --space-2xl: clamp(5rem, 4rem + 6vw, 9rem);

    /* Layout */
    --container: 1200px;
    --container-narrow: 760px;
    --gutter: clamp(1.25rem, 4vw, 3rem);
    --header-h: 76px;

    /* Shape — restrained radii, editorial feel */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 14px;
    --radius-pill: 999px;

    /* Motion */
    --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
    --dur-fast: 160ms;
    --dur-base: 320ms;
    --dur-slow: 640ms;

    /* Elevation */
    --shadow-sm: 0 1px 2px rgba(14, 14, 17, 0.05);
    --shadow-md: 0 8px 24px -8px rgba(14, 14, 17, 0.14);
    --shadow-lg: 0 24px 60px -20px rgba(14, 14, 17, 0.22);
}

[data-theme='dark'] {
    --paper: #0c0c0e;
    --surface: #141417;
    --surface-2: #1c1c21;
    --ink: #f4f4f2;
    --ink-2: #b9b9c2;
    --ink-3: #86868f;
    --line: rgba(255, 255, 255, 0.12);
    --line-strong: rgba(255, 255, 255, 0.24);

    --accent: #7d88ff;
    --accent-hover: #99a2ff;
    --accent-soft: rgba(125, 136, 255, 0.12);
    --on-accent: #0c0c0e;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 8px 24px -8px rgba(0, 0, 0, 0.6);
    --shadow-lg: 0 24px 60px -20px rgba(0, 0, 0, 0.75);
}


/* ==========================================================================
   2. RESET & BASE
   ========================================================================== */

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

* {
    margin: 0;
}

html {
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-h) + 1.5rem);
    overflow-x: clip;
}

body {
    background-color: var(--paper);
    color: var(--ink);
    font-family: var(--font-body);
    font-size: var(--fs-body);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color var(--dur-base) var(--ease-out),
                color var(--dur-base) var(--ease-out);
}

img,
svg,
picture {
    display: block;
    max-width: 100%;
    height: auto;
}

input,
button,
textarea,
select {
    font: inherit;
    color: inherit;
}

button {
    background: none;
    border: 0;
    cursor: pointer;
}

ul,
ol {
    list-style: none;
    padding: 0;
}

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

:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
    border-radius: var(--radius-sm);
}

::selection {
    background: var(--accent);
    color: var(--on-accent);
}

.skip-link {
    position: absolute;
    left: 50%;
    top: 0;
    transform: translate(-50%, -120%);
    z-index: 200;
    padding: 0.75rem 1.25rem;
    background: var(--ink);
    color: var(--paper);
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    font-size: var(--fs-sm);
    font-weight: 600;
    transition: transform var(--dur-fast) var(--ease-out);
}

.skip-link:focus {
    transform: translate(-50%, 0);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}


/* ==========================================================================
   3. TYPOGRAPHY
   ========================================================================== */

h1,
h2,
h3,
h4,
h5 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.08;
    letter-spacing: -0.025em;
    text-wrap: balance;
}

p {
    text-wrap: pretty;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-family: var(--font-display);
    font-size: var(--fs-xs);
    font-weight: 500;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--ink-3);
}

.eyebrow::before {
    content: '';
    width: 28px;
    height: 1px;
    background: var(--accent);
}

.lead {
    font-size: var(--fs-lead);
    line-height: 1.55;
    color: var(--ink-2);
    max-width: 60ch;
}

.accent-text {
    color: var(--accent);
}


/* ==========================================================================
   4. LAYOUT PRIMITIVES
   ========================================================================== */

.container {
    width: 100%;
    max-width: var(--container);
    margin-inline: auto;
    padding-inline: var(--gutter);
}

.container--narrow {
    max-width: var(--container-narrow);
}

.section {
    padding-block: var(--space-2xl);
}

.section--tight {
    padding-block: var(--space-xl);
}

.section + .section {
    border-top: 1px solid var(--line);
}

.section-head {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.section-head__index {
    font-family: var(--font-display);
    font-size: var(--fs-xs);
    font-weight: 500;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--ink-3);
}

.section-head__title {
    font-size: var(--fs-h2);
    max-width: 20ch;
}

.section-head__lead {
    margin-top: var(--space-xs);
}


/* ==========================================================================
   5. BUTTONS & LINKS
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.85rem 1.5rem;
    border-radius: var(--radius-pill);
    font-family: var(--font-display);
    font-size: var(--fs-sm);
    font-weight: 600;
    letter-spacing: -0.01em;
    white-space: nowrap;
    transition: background-color var(--dur-fast) var(--ease-out),
                color var(--dur-fast) var(--ease-out),
                border-color var(--dur-fast) var(--ease-out),
                transform var(--dur-fast) var(--ease-out);
}

.btn svg {
    width: 16px;
    height: 16px;
    flex: none;
    transition: transform var(--dur-fast) var(--ease-out);
}

.btn:hover svg {
    transform: translate(2px, -2px);
}

.btn:active {
    transform: translateY(1px);
}

.btn--primary {
    background: var(--ink);
    color: var(--paper);
}

.btn--primary:hover {
    background: var(--accent);
    color: var(--on-accent);
}

.btn--accent {
    background: var(--accent);
    color: var(--on-accent);
}

.btn--accent:hover {
    background: var(--accent-hover);
}

.btn--ghost {
    border: 1px solid var(--line-strong);
    color: var(--ink);
}

.btn--ghost:hover {
    border-color: var(--ink);
    background: var(--surface-2);
}

.btn--sm {
    padding: 0.6rem 1.1rem;
    font-size: var(--fs-xs);
}

.link-arrow {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    font-family: var(--font-display);
    font-size: var(--fs-sm);
    font-weight: 600;
    color: var(--accent);
}

.link-arrow svg {
    width: 15px;
    height: 15px;
    transition: transform var(--dur-fast) var(--ease-out);
}

.link-arrow:hover svg {
    transform: translate(3px, -3px);
}


/* ==========================================================================
   6. HEADER / NAVIGATION
   ========================================================================== */

.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: color-mix(in srgb, var(--paper) 82%, transparent);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid transparent;
    transition: border-color var(--dur-base) var(--ease-out);
}

.header[data-scrolled='true'] {
    border-bottom-color: var(--line);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    min-height: var(--header-h);
}

.logo {
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    display: inline-flex;
    align-items: baseline;
    gap: 0.4rem;
    white-space: nowrap;
}

.logo__name {
    color: var(--ink);
}

.logo__role {
    font-size: var(--fs-xs);
    font-weight: 400;
    color: var(--ink-3);
    letter-spacing: 0.02em;
}

.nav {
    display: flex;
    align-items: center;
    gap: clamp(1rem, 2.2vw, 2rem);
}

.nav__link {
    position: relative;
    font-size: var(--fs-sm);
    font-weight: 500;
    color: var(--ink-2);
    padding-block: 0.35rem;
    transition: color var(--dur-fast) var(--ease-out);
}

.nav__link::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 1px;
    background: var(--ink);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--dur-base) var(--ease-out);
}

.nav__link:hover,
.nav__link[aria-current='true'] {
    color: var(--ink);
}

.nav__link:hover::after,
.nav__link[aria-current='true']::after {
    transform: scaleX(1);
    transform-origin: left;
}

.header__actions {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border: 1px solid var(--line);
    border-radius: 50%;
    color: var(--ink-2);
    transition: color var(--dur-fast) var(--ease-out),
                border-color var(--dur-fast) var(--ease-out),
                background-color var(--dur-fast) var(--ease-out);
}

.icon-btn:hover {
    color: var(--ink);
    border-color: var(--line-strong);
    background: var(--surface-2);
}

.icon-btn svg {
    width: 17px;
    height: 17px;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 38px;
    height: 38px;
    border: 1px solid var(--line);
    border-radius: 50%;
}

.nav-toggle span {
    display: block;
    width: 16px;
    height: 1.5px;
    margin-inline: auto;
    background: var(--ink);
    transition: transform var(--dur-base) var(--ease-out),
                opacity var(--dur-fast) var(--ease-out);
}

.nav-toggle[aria-expanded='true'] span:nth-child(1) {
    transform: translateY(6.5px) rotate(45deg);
}

.nav-toggle[aria-expanded='true'] span:nth-child(2) {
    opacity: 0;
}

.nav-toggle[aria-expanded='true'] span:nth-child(3) {
    transform: translateY(-6.5px) rotate(-45deg);
}

/* Mobile drawer */
.mobile-nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    z-index: 99;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    padding: var(--space-md) var(--gutter) var(--space-lg);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity var(--dur-base) var(--ease-out),
                transform var(--dur-base) var(--ease-out),
                visibility 0s linear var(--dur-base);
}

.mobile-nav[data-open='true'] {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transition: opacity var(--dur-base) var(--ease-out),
                transform var(--dur-base) var(--ease-out),
                visibility 0s linear 0s;
}

.mobile-nav__list {
    display: flex;
    flex-direction: column;
}

.mobile-nav__list a {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 500;
    letter-spacing: -0.02em;
    padding-block: 0.6rem;
    border-bottom: 1px solid var(--line);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.mobile-nav__list a span {
    font-size: var(--fs-xs);
    color: var(--ink-3);
    font-weight: 400;
}

.mobile-nav__cta {
    display: flex;
    gap: var(--space-xs);
    flex-wrap: wrap;
}

body[data-menu-open='true'] {
    overflow: hidden;
}


/* ==========================================================================
   7. HERO
   ========================================================================== */

.hero {
    position: relative;
    padding-top: clamp(3.5rem, 3rem + 6vw, 7rem);
    padding-bottom: clamp(3rem, 2rem + 5vw, 6rem);
    overflow: hidden;
}

.hero__grid {
    display: grid;
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    gap: clamp(2rem, 5vw, 5rem);
    align-items: end;
}

.hero__title {
    font-size: var(--fs-display);
    font-weight: 600;
    letter-spacing: -0.04em;
    line-height: 0.98;
    margin-block: var(--space-md) var(--space-md);
}

.hero__body {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    padding-bottom: 0.4rem;
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    margin-top: var(--space-md);
}

.hero__social {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-2xs);
    margin-top: var(--space-md);
    padding-top: var(--space-md);
    border-top: 1px solid var(--line);
}

.hero__social-label {
    font-size: var(--fs-xs);
    color: var(--ink-3);
    margin-right: var(--space-2xs);
}

.hero__aside {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.hero__stat {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--line);
}

.hero__stat:last-of-type {
    padding-bottom: 0;
    border-bottom: 0;
}

.hero__stat-value {
    font-family: var(--font-display);
    font-size: 2.25rem;
    font-weight: 600;
    letter-spacing: -0.03em;
    line-height: 1;
    color: var(--accent);
}

.hero__stat-label {
    font-size: var(--fs-sm);
    color: var(--ink-3);
}

.hero__note {
    font-size: var(--fs-xs);
    color: var(--ink-3);
    line-height: 1.6;
    padding-top: var(--space-md);
    border-top: 1px solid var(--line);
}


/* ==========================================================================
   8. CAPABILITY MARQUEE
   ========================================================================== */

.marquee {
    --marquee-duration: 48s;
    position: relative;
    display: flex;
    overflow: hidden;
    padding-block: var(--space-md);
    border-block: 1px solid var(--line);
    user-select: none;
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
    mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

.marquee__track {
    display: flex;
    flex: none;
    gap: 3.5rem;
    padding-right: 3.5rem;
    align-items: center;
    animation: marquee-scroll var(--marquee-duration) linear infinite;
}

.marquee:hover .marquee__track {
    animation-play-state: paused;
}

.marquee__item {
    font-family: var(--font-display);
    font-size: clamp(1.1rem, 0.9rem + 1vw, 1.75rem);
    font-weight: 500;
    letter-spacing: -0.02em;
    color: var(--ink-3);
    white-space: nowrap;
    transition: color var(--dur-fast) var(--ease-out);
}

.marquee__item:hover {
    color: var(--ink);
}

.marquee__dot {
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--accent);
    flex: none;
}

@keyframes marquee-scroll {
    from { transform: translate3d(0, 0, 0); }
    to   { transform: translate3d(-100%, 0, 0); }
}


/* ==========================================================================
   9. SELECTED WORK
   ========================================================================== */

.work-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(1.5rem, 3vw, 2.75rem);
}

.work-card {
    display: flex;
    flex-direction: column;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: border-color var(--dur-base) var(--ease-out),
                transform var(--dur-base) var(--ease-out),
                box-shadow var(--dur-base) var(--ease-out);
}

.work-card:hover {
    transform: translateY(-4px);
    border-color: var(--line-strong);
    box-shadow: var(--shadow-md);
}

.work-card__media {
    position: relative;
    aspect-ratio: 16 / 10;
    background: var(--surface-2);
    overflow: hidden;
    display: grid;
}

.work-card__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--dur-slow) var(--ease-out),
                opacity var(--dur-base) var(--ease-out);
}

.work-card:hover .work-card__media img {
    transform: scale(1.035);
}

/* Logo plate: white canvas so brand marks stay legible in both themes */
.work-card__media.work-card__media--logo {
    background: #ffffff;
    place-items: center;
    padding: clamp(1.25rem, 6%, 2.5rem);
}

.work-card__media.work-card__media--logo img {
    width: 100%;
    height: 5.5rem;
    max-width: 17rem;
    object-fit: contain;
    transition: transform var(--dur-slow) var(--ease-out);
}

.work-card:hover .work-card__media.work-card__media--logo img {
    transform: scale(1.045);
}

.work-card__index {
    position: absolute;
    top: var(--space-sm);
    left: var(--space-sm);
    z-index: 2;
    font-family: var(--font-display);
    font-size: var(--fs-xs);
    font-weight: 500;
    letter-spacing: 0.08em;
    padding: 0.3rem 0.6rem;
    border-radius: var(--radius-pill);
    background: color-mix(in srgb, var(--paper) 88%, transparent);
    backdrop-filter: blur(6px);
    color: var(--ink-2);
}

.work-card__tag {
    position: absolute;
    top: var(--space-sm);
    right: var(--space-sm);
    z-index: 2;
    font-size: var(--fs-xs);
    font-weight: 500;
    padding: 0.3rem 0.65rem;
    border-radius: var(--radius-pill);
    background: var(--ink);
    color: var(--paper);
}

.work-card__body {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    padding: var(--space-md);
    flex: 1;
}

.work-card__title {
    font-size: var(--fs-h3);
}

.work-card__meta {
    font-family: var(--font-display);
    font-size: var(--fs-xs);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--accent);
    font-weight: 500;
}

.work-card__desc {
    font-size: var(--fs-sm);
    color: var(--ink-2);
    flex: 1;
}

.work-card__foot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-sm);
    padding-top: var(--space-sm);
    margin-top: auto;
    border-top: 1px solid var(--line);
}

.work-card__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.chip {
    font-size: var(--fs-xs);
    padding: 0.25rem 0.6rem;
    border-radius: var(--radius-pill);
    border: 1px solid var(--line);
    color: var(--ink-3);
    white-space: nowrap;
}


/* ==========================================================================
   10. LIVE WORK
   ========================================================================== */

.live-work {
    padding-block: var(--space-lg);
    border-top: 1px solid var(--line);
}

.live-work__head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: var(--space-md);
    flex-wrap: wrap;
    margin-bottom: var(--space-md);
}

.live-work__title {
    font-family: var(--font-display);
    font-size: var(--fs-sm);
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--ink-3);
}

.live-work__list {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-top: 1px solid var(--line);
}

.live-work__list > li {
    min-width: 0;
    border-bottom: 1px solid var(--line);
    border-right: 1px solid var(--line);
}

.live-work__list > li:nth-child(3n) {
    border-right: 0;
}

.live-work__item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-xs);
    transition: background-color var(--dur-fast) var(--ease-out);
}

.live-work__item:hover {
    background: var(--surface-2);
}

.live-work__name {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: var(--fs-sm);
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.live-work__domain {
    font-size: var(--fs-xs);
    color: var(--ink-3);
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.live-work__item svg {
    width: 14px;
    height: 14px;
    color: var(--ink-3);
    flex: none;
    transition: transform var(--dur-fast) var(--ease-out),
                color var(--dur-fast) var(--ease-out);
}

.live-work__item:hover svg {
    color: var(--accent);
    transform: translate(2px, -2px);
}


/* ==========================================================================
   11. ABOUT
   ========================================================================== */

.about {
    display: grid;
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: clamp(2rem, 5vw, 4.5rem);
    align-items: start;
}

.about__portrait {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--surface-2);
    border: 1px solid var(--line);
    aspect-ratio: 4 / 5;
}

.about__portrait img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about__badge {
    position: absolute;
    bottom: var(--space-sm);
    left: var(--space-sm);
    display: flex;
    align-items: baseline;
    gap: 0.4rem;
    padding: 0.5rem 0.85rem;
    border-radius: var(--radius-pill);
    background: color-mix(in srgb, var(--paper) 90%, transparent);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--line);
}

.about__badge strong {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--accent);
    letter-spacing: -0.02em;
}

.about__badge span {
    font-size: var(--fs-xs);
    color: var(--ink-2);
}

.about__body {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.about__body p {
    color: var(--ink-2);
    max-width: 58ch;
}

.about__facts {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-sm) var(--space-md);
    padding-top: var(--space-md);
    border-top: 1px solid var(--line);
}

.about__fact dt {
    font-size: var(--fs-xs);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--ink-3);
    margin-bottom: 0.2rem;
}

.about__fact dd {
    margin: 0;
    font-family: var(--font-display);
    font-weight: 500;
    font-size: var(--fs-sm);
}

.about__fact a:hover {
    color: var(--accent);
}


/* ==========================================================================
   12. SKILLS
   ========================================================================== */

.skills {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(260px, 100%), 1fr));
    gap: 1px;
    background: var(--line);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.skill-group {
    background: var(--paper);
    padding: var(--space-md);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    transition: background-color var(--dur-base) var(--ease-out);
}

.skill-group:hover {
    background: var(--surface);
}

.skill-group__head {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-family: var(--font-display);
    font-size: var(--fs-h4);
    font-weight: 600;
    letter-spacing: -0.015em;
    padding-bottom: var(--space-xs);
    border-bottom: 1px solid var(--line);
}

.skill-group__head svg {
    width: 18px;
    height: 18px;
    color: var(--accent);
    flex: none;
}

.skill-group__list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.skill-group__list li {
    font-size: var(--fs-sm);
    padding: 0.3rem 0.7rem;
    border-radius: var(--radius-pill);
    background: var(--surface-2);
    color: var(--ink-2);
    transition: background-color var(--dur-fast) var(--ease-out),
                color var(--dur-fast) var(--ease-out);
}

.skill-group:hover .skill-group__list li {
    background: var(--accent-soft);
    color: var(--ink);
}


/* ==========================================================================
   13. DESIGN x CODE (VIBE CODING)
   ========================================================================== */

.vibe {
    position: relative;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: clamp(1.75rem, 4vw, 3.5rem);
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: clamp(1.5rem, 4vw, 4rem);
    align-items: center;
    overflow: hidden;
}

.vibe__copy {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.vibe__copy p {
    color: var(--ink-2);
    max-width: 52ch;
}

.vibe__tools {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-top: var(--space-2xs);
}

.flow {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    counter-reset: flow;
}

.flow__step {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 0.7rem 0.9rem;
    border-radius: var(--radius-md);
    background: var(--paper);
    border: 1px solid var(--line);
    transition: transform var(--dur-base) var(--ease-out),
                border-color var(--dur-base) var(--ease-out),
                background-color var(--dur-base) var(--ease-out);
}

.flow__step:hover {
    transform: translateX(6px);
    border-color: var(--accent);
}

.flow__num {
    font-family: var(--font-display);
    font-size: var(--fs-xs);
    font-weight: 600;
    color: var(--accent);
    min-width: 1.6rem;
}

.flow__label {
    font-family: var(--font-display);
    font-weight: 500;
    flex: 1;
}

.flow__step:last-child {
    background: var(--accent);
    border-color: var(--accent);
}

.flow__step:last-child .flow__num,
.flow__step:last-child .flow__label {
    color: var(--on-accent);
}


/* ==========================================================================
   14. EXPERIENCE
   ========================================================================== */

.timeline {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    padding-left: 1.75rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 5px;
    top: 6px;
    bottom: 6px;
    width: 1px;
    background: var(--line);
}

.timeline__item {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.timeline__item::before {
    content: '';
    position: absolute;
    left: -1.75rem;
    top: 7px;
    width: 11px;
    height: 11px;
    border-radius: 50%;
    background: var(--paper);
    border: 2px solid var(--line-strong);
}

.timeline__item--current::before {
    background: var(--accent);
    border-color: var(--accent);
}

.timeline__period {
    font-family: var(--font-display);
    font-size: var(--fs-xs);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--accent);
    font-weight: 500;
}

.timeline__role {
    font-family: var(--font-display);
    font-size: var(--fs-h4);
    font-weight: 600;
    letter-spacing: -0.015em;
}

.timeline__org {
    font-size: var(--fs-sm);
    color: var(--ink-2);
}

.timeline__desc {
    font-size: var(--fs-sm);
    color: var(--ink-3);
    max-width: 62ch;
}


/* ==========================================================================
   15. BEHANCE
   ========================================================================== */

.behance {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
    gap: clamp(1.5rem, 4vw, 4rem);
    align-items: start;
}

.behance__list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem;
}

.behance__item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.85rem 1rem;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: var(--surface);
    font-size: var(--fs-sm);
    transition: border-color var(--dur-fast) var(--ease-out),
                transform var(--dur-fast) var(--ease-out);
}

.behance__item:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
}

.behance__item svg {
    width: 14px;
    height: 14px;
    color: var(--ink-3);
    flex: none;
}

.behance__item span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}


/* ==========================================================================
   16. CONTACT
   ========================================================================== */

.contact {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
}

.contact__title {
    font-size: var(--fs-h2);
    max-width: 18ch;
}

.contact__text {
    font-size: var(--fs-lead);
    color: var(--ink-2);
    max-width: 46ch;
}

.contact__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    justify-content: center;
    margin-top: var(--space-2xs);
}

.contact__details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(210px, 100%), 1fr));
    gap: 1px;
    background: var(--line);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    overflow: hidden;
    width: 100%;
    max-width: 860px;
    margin-top: var(--space-lg);
    text-align: left;
}

.contact__detail {
    background: var(--paper);
    padding: var(--space-md);
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    transition: background-color var(--dur-fast) var(--ease-out);
}

a.contact__detail:hover {
    background: var(--surface);
}

.contact__detail-label {
    font-size: var(--fs-xs);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--ink-3);
}

.contact__detail-value {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: var(--fs-sm);
    word-break: break-word;
}

a.contact__detail:hover .contact__detail-value {
    color: var(--accent);
}


/* ==========================================================================
   17. FOOTER
   ========================================================================== */

.footer {
    border-top: 1px solid var(--line);
    padding-block: var(--space-lg);
}

.footer__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.footer__meta {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.footer__copy {
    font-size: var(--fs-xs);
    color: var(--ink-3);
}

.footer__links {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.footer__links a {
    font-size: var(--fs-sm);
    color: var(--ink-2);
    transition: color var(--dur-fast) var(--ease-out);
}

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

.to-top {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: var(--fs-sm);
    color: var(--ink-2);
    transition: color var(--dur-fast) var(--ease-out);
}

.to-top:hover {
    color: var(--ink);
}

.to-top svg {
    width: 15px;
    height: 15px;
}


/* ==========================================================================
   18. CASE STUDY PAGES
   ========================================================================== */

.case-hero {
    padding-top: clamp(2.5rem, 2rem + 4vw, 4.5rem);
    padding-bottom: var(--space-lg);
}

.case-hero__back {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    font-size: var(--fs-sm);
    color: var(--ink-3);
    margin-bottom: var(--space-md);
    transition: color var(--dur-fast) var(--ease-out);
}

.case-hero__back:hover {
    color: var(--accent);
}

.case-hero__back svg {
    width: 15px;
    height: 15px;
}

.case-hero__title {
    font-size: var(--fs-h2);
    max-width: 22ch;
    margin-block: var(--space-xs) var(--space-sm);
}

.case-hero__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.case-meta {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(150px, 100%), 1fr));
    gap: var(--space-md);
    padding: var(--space-md) 0;
    border-block: 1px solid var(--line);
}

.case-meta__label {
    font-size: var(--fs-xs);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--ink-3);
    margin-bottom: 0.25rem;
}

.case-meta__value {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: var(--fs-sm);
}

.case-section {
    padding-block: var(--space-lg);
    border-bottom: 1px solid var(--line);
}

.case-section__title {
    font-size: var(--fs-h3);
    margin-bottom: var(--space-sm);
    display: flex;
    align-items: baseline;
    gap: 0.7rem;
}

.case-section__title span {
    font-family: var(--font-display);
    font-size: var(--fs-xs);
    font-weight: 500;
    color: var(--accent);
    letter-spacing: 0.1em;
}

.case-section p {
    color: var(--ink-2);
    max-width: 68ch;
}

.case-section p + p {
    margin-top: var(--space-sm);
}

.case-figure {
    margin-top: var(--space-md);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--surface-2);
    aspect-ratio: 16 / 10;
    display: grid;
    grid-template-rows: 1fr auto;
}

.case-figure img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.case-figure figcaption {
    padding: 0.6rem var(--space-sm);
    font-size: var(--fs-xs);
    color: var(--ink-3);
    border-top: 1px solid var(--line);
    background: var(--paper);
}

.case-figure--tall {
    aspect-ratio: 4 / 5;
}

.case-figure--row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1px;
    background: var(--line);
    aspect-ratio: auto;
}

.case-figure--row > * {
    aspect-ratio: 4 / 3;
}

.process {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(130px, 100%), 1fr));
    gap: var(--space-xs);
    margin-top: var(--space-md);
}

.process__step {
    padding: var(--space-sm);
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: var(--surface);
}

.process__step strong {
    display: block;
    font-family: var(--font-display);
    font-size: var(--fs-xs);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 0.3rem;
}

.process__step span {
    font-size: var(--fs-sm);
    color: var(--ink-2);
}

.swatches {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: var(--space-md);
}

.swatch {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    width: 104px;
}

.swatch__chip {
    height: 64px;
    border-radius: var(--radius-md);
    border: 1px solid var(--line);
}

.swatch__label {
    font-size: var(--fs-xs);
    color: var(--ink-3);
    font-family: var(--font-display);
}

.type-specimen {
    margin-top: var(--space-md);
    padding: var(--space-md);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: var(--surface);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.type-specimen__row {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-xs) var(--space-sm);
    padding-bottom: var(--space-xs);
    border-bottom: 1px solid var(--line);
}

.type-specimen__row > * {
    min-width: 0;
}

.type-specimen__row:last-child {
    border-bottom: 0;
    padding-bottom: 0;
}

.type-specimen__label {
    font-size: var(--fs-xs);
    color: var(--ink-3);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    flex: none;
}

.components {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(160px, 100%), 1fr));
    gap: var(--space-sm);
    margin-top: var(--space-md);
}

.component-demo {
    padding: var(--space-sm);
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: var(--paper);
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    align-items: flex-start;
    min-width: 0;
}

.component-demo--wide {
    grid-column: 1 / -1;
}

.component-demo__label {
    font-size: var(--fs-xs);
    color: var(--ink-3);
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.demo-input {
    width: 100%;
    padding: 0.5rem 0.7rem;
    border: 1px solid var(--line-strong);
    border-radius: var(--radius-sm);
    background: var(--surface);
    font-size: var(--fs-sm);
    color: var(--ink-3);
}

.demo-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--fs-xs);
}

.demo-table th,
.demo-table td {
    text-align: left;
    padding: 0.4rem 0.5rem;
    border-bottom: 1px solid var(--line);
}

.demo-table th {
    color: var(--ink-3);
    font-weight: 500;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    font-size: 0.68rem;
}

.case-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    flex-wrap: wrap;
    padding-block: var(--space-lg);
}

.outcome-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    margin-top: var(--space-sm);
}

.outcome-list li {
    display: flex;
    gap: 0.65rem;
    align-items: flex-start;
    color: var(--ink-2);
}

.outcome-list svg {
    width: 18px;
    height: 18px;
    color: var(--accent);
    flex: none;
    margin-top: 0.25rem;
}


/* ==========================================================================
   19. MOTION & REVEAL
   ========================================================================== */

[data-reveal] {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity var(--dur-slow) var(--ease-out),
                transform var(--dur-slow) var(--ease-out);
    transition-delay: var(--reveal-delay, 0ms);
    will-change: opacity, transform;
}

[data-reveal='in'] {
    opacity: 1;
    transform: none;
    will-change: auto;
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    [data-reveal] {
        opacity: 1;
        transform: none;
    }

    .marquee__track {
        animation: none;
    }
}


/* ==========================================================================
   20. CONTENT PLACEHOLDER NOTES
   ========================================================================== */

.placeholder-note {
    display: flex;
    gap: 0.6rem;
    align-items: flex-start;
    padding: var(--space-sm);
    border: 1px dashed var(--line-strong);
    border-radius: var(--radius-md);
    background: var(--surface-2);
    font-size: var(--fs-sm);
    color: var(--ink-2);
}

.placeholder-note svg {
    width: 17px;
    height: 17px;
    flex: none;
    margin-top: 0.2rem;
    color: var(--accent);
}

.placeholder-note code {
    font-family: ui-monospace, 'SFMono-Regular', Consolas, monospace;
    font-size: 0.92em;
    background: var(--paper);
    padding: 0.1rem 0.35rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--line);
}


/* ==========================================================================
   21. RESPONSIVE
   ========================================================================== */

@media (max-width: 1024px) {
    .hero__grid {
        grid-template-columns: minmax(0, 1fr);
        align-items: start;
    }

    .hero__aside {
        flex-direction: row;
        flex-wrap: wrap;
        align-items: flex-start;
        gap: var(--space-md);
    }

    .hero__stat {
        flex: 1 1 120px;
        padding-bottom: 0;
        border-bottom: 0;
    }

    .hero__note {
        flex: 1 1 100%;
        padding-top: var(--space-sm);
    }

    .about {
        grid-template-columns: minmax(0, 1fr);
    }

    .about__portrait {
        max-width: 380px;
        aspect-ratio: 1;
    }

    .vibe,
    .behance {
        grid-template-columns: minmax(0, 1fr);
    }

    .live-work__list {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .live-work__list > li:nth-child(3n) {
        border-right: 1px solid var(--line);
    }

    .live-work__list > li:nth-child(2n) {
        border-right: 0;
    }
}

@media (max-width: 860px) {
    .nav {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .header__actions .btn {
        display: none;
    }

    .work-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .case-figure--row {
        grid-template-columns: minmax(0, 1fr);
    }
}

@media (max-width: 560px) {
    :root {
        --header-h: 66px;
    }

    .live-work__list {
        grid-template-columns: minmax(0, 1fr);
    }

    .live-work__list > li,
    .live-work__list > li:nth-child(2n),
    .live-work__list > li:nth-child(3n) {
        border-right: 0;
    }

    .about__facts {
        grid-template-columns: minmax(0, 1fr);
    }

    .behance__list {
        grid-template-columns: minmax(0, 1fr);
    }

    .hero__actions .btn,
    .contact__actions .btn {
        flex: 1 1 100%;
    }

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

    .footer__inner {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media print {
    .header,
    .footer,
    .mobile-nav,
    .marquee,
    .case-nav {
        display: none;
    }

    body {
        background: #fff;
        color: #000;
    }
}