/* ============================================================
   Roman Felden — Portfolio
   Design : minimalisme éditorial
   Serif display (Fraunces) + Sans (Inter) + Mono (IBM Plex Mono)
   ============================================================ */

/* ---------- Tokens ---------- */
:root {
    --paper: #faf9f5;
    --paper-raised: #ffffff;
    --ink: #191713;
    --ink-soft: #44403a;
    --muted: #80796e;
    --hairline: #e6e2d8;
    --hairline-strong: #d5d0c4;
    --accent: #c2481d;
    --accent-soft: rgba(194, 72, 29, 0.08);
    --selection: rgba(194, 72, 29, 0.18);

    --font-serif: "Fraunces", Georgia, serif;
    --font-sans: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;

    --container: 68rem;
    --gutter: clamp(1.25rem, 4vw, 2.5rem);
    --section-gap: clamp(4.5rem, 10vw, 8rem);

    --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
    --nav-h: 4.5rem;
}

[data-theme="dark"] {
    --paper: #14120f;
    --paper-raised: #1c1a16;
    --ink: #ece8e0;
    --ink-soft: #c8c2b6;
    --muted: #8f887b;
    --hairline: #2b2822;
    --hairline-strong: #3b372f;
    --accent: #e8734a;
    --accent-soft: rgba(232, 115, 74, 0.12);
    --selection: rgba(232, 115, 74, 0.3);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--nav-h) + 1rem);
}

body {
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.65;
    color: var(--ink);
    background: var(--paper);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    transition: background-color 0.35s ease, color 0.35s ease;
}

::selection {
    background: var(--selection);
    color: var(--ink);
}

img, svg {
    display: block;
}

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

ul, ol {
    list-style: none;
}

button {
    font: inherit;
    color: inherit;
    background: none;
    border: none;
    cursor: pointer;
}

/* ---------- Utilities ---------- */
.container {
    max-width: var(--container);
    margin-inline: auto;
    padding-inline: var(--gutter);
}

.mono-label {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--muted);
}

.hairline-top {
    border-top: 1px solid var(--hairline);
}

/* Animated underline link */
.u-link {
    position: relative;
    color: var(--ink);
    background-image: linear-gradient(currentColor, currentColor);
    background-size: 0% 1px;
    background-position: 0 100%;
    background-repeat: no-repeat;
    transition: background-size 0.35s var(--ease-out), color 0.2s ease;
}

.u-link:hover {
    background-size: 100% 1px;
}

.u-link--accent {
    color: var(--accent);
}

/* ---------- Scroll reveal ---------- */
.reveal {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
    transition-delay: var(--reveal-delay, 0s);
}

.reveal.is-visible {
    opacity: 1;
    transform: none;
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 100;
    height: var(--nav-h);
    background: color-mix(in srgb, var(--paper) 82%, transparent);
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--hairline);
    transition: background-color 0.35s ease;
}

.navbar-container {
    max-width: var(--container);
    height: 100%;
    margin-inline: auto;
    padding-inline: var(--gutter);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.navbar-brand {
    display: flex;
    align-items: baseline;
    gap: 0.6rem;
}

.navbar-brand .brand-name {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    white-space: nowrap;
}

.navbar-brand .brand-dot {
    color: var(--accent);
}

.navbar-brand .brand-tag {
    font-family: var(--font-mono);
    font-size: 0.66rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--muted);
}

.navbar-menu {
    display: flex;
    align-items: center;
    gap: clamp(1rem, 3vw, 2rem);
}

.navbar-menu a {
    position: relative;
    font-size: 0.92rem;
    font-weight: 500;
    color: var(--ink-soft);
    padding: 0.25rem 0;
    transition: color 0.2s ease;
}

.navbar-menu a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 100%;
    height: 1px;
    background: var(--accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s var(--ease-out);
}

.navbar-menu a:hover,
.navbar-menu a.active {
    color: var(--ink);
}

.navbar-menu a:hover::after,
.navbar-menu a.active::after {
    transform: scaleX(1);
}

.navbar-menu .nav-index {
    font-family: var(--font-mono);
    font-size: 0.66rem;
    color: var(--muted);
    margin-right: 0.35rem;
}

/* Theme toggle */
.theme-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    border: 1px solid var(--hairline-strong);
    border-radius: 50%;
    color: var(--ink-soft);
    transition: color 0.2s ease, border-color 0.2s ease, transform 0.4s var(--ease-out);
}

.theme-toggle:hover {
    color: var(--accent);
    border-color: var(--accent);
    transform: rotate(40deg);
}

.theme-toggle svg {
    width: 1.05rem;
    height: 1.05rem;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.95rem;
    font-weight: 550;
    padding: 0.85rem 1.6rem;
    border-radius: 999px;
    border: 1px solid var(--ink);
    transition: all 0.25s var(--ease-out);
}

.btn svg {
    width: 1rem;
    height: 1rem;
    transition: transform 0.25s var(--ease-out);
}

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

.btn-primary:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

.btn-primary:hover svg {
    transform: translateX(3px);
}

.btn-outline {
    background: transparent;
    color: var(--ink);
    border-color: var(--hairline-strong);
}

.btn-outline:hover {
    border-color: var(--ink);
}

.btn-outline:hover svg {
    transform: translateX(3px);
}

/* ============================================================
   HERO (index)
   ============================================================ */
.hero {
    min-height: 92svh;
    display: flex;
    align-items: center;
    padding-top: var(--nav-h);
    position: relative;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
    width: 100%;
}

.hero-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.hero-meta .rule {
    flex: 0 0 3rem;
    height: 1px;
    background: var(--accent);
}

.hero-name {
    font-family: var(--font-serif);
    font-size: clamp(3rem, 9vw, 6.5rem);
    font-weight: 560;
    line-height: 1.02;
    letter-spacing: -0.02em;
}

.hero-name em {
    font-style: italic;
    font-weight: 400;
    color: var(--accent);
}

.hero-role {
    font-family: var(--font-serif);
    font-size: clamp(1.25rem, 3vw, 1.9rem);
    font-weight: 400;
    font-style: italic;
    color: var(--ink-soft);
    max-width: 34ch;
    line-height: 1.35;
}

.hero-desc {
    color: var(--muted);
    max-width: 46ch;
    font-size: 1.02rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.9rem;
    margin-top: 0.5rem;
}

.hero-foot {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    margin-top: clamp(2.5rem, 6vw, 4.5rem);
    padding-top: 1.25rem;
    border-top: 1px solid var(--hairline);
}

.hero-foot .mono-label {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.status-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #3d9a50;
    box-shadow: 0 0 0 3px rgba(61, 154, 80, 0.18);
    animation: pulse 2.4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 3px rgba(61, 154, 80, 0.18); }
    50% { box-shadow: 0 0 0 6px rgba(61, 154, 80, 0.06); }
}

/* ============================================================
   SECTIONS (commun)
   ============================================================ */
.section {
    padding-block: var(--section-gap);
    border-top: 1px solid var(--hairline);
}

.section-head {
    display: grid;
    grid-template-columns: auto 1fr;
    align-items: baseline;
    gap: clamp(1rem, 4vw, 2.5rem);
    margin-bottom: clamp(2.5rem, 6vw, 4rem);
}

.section-number {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--accent);
    letter-spacing: 0.1em;
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 5vw, 3.25rem);
    font-weight: 560;
    letter-spacing: -0.015em;
    line-height: 1.1;
}

.section-title em {
    font-style: italic;
    font-weight: 400;
    color: var(--accent);
}

.section-sub {
    grid-column: 2;
    color: var(--muted);
    max-width: 52ch;
    margin-top: -1.5rem;
}

/* ============================================================
   INDEX — À propos
   ============================================================ */
.about-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-top: 1px solid var(--hairline);
    border-left: 1px solid var(--hairline);
}

.about-cell {
    padding: clamp(1.5rem, 3.5vw, 2.5rem);
    border-right: 1px solid var(--hairline);
    border-bottom: 1px solid var(--hairline);
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
    transition: background-color 0.3s ease;
}

.about-cell:hover {
    background: var(--accent-soft);
}

.about-cell .cell-label {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--accent);
}

.about-cell h3 {
    font-family: var(--font-serif);
    font-size: 1.35rem;
    font-weight: 560;
    letter-spacing: -0.01em;
}

.about-cell p {
    color: var(--muted);
    font-size: 0.95rem;
}

/* ============================================================
   INDEX — Compétences (liste éditoriale)
   ============================================================ */
.skill-rows {
    border-top: 1px solid var(--hairline);
}

.skill-row {
    display: grid;
    grid-template-columns: 3rem 1fr 2fr;
    align-items: baseline;
    gap: clamp(1rem, 4vw, 2.5rem);
    padding: 1.75rem 0;
    border-bottom: 1px solid var(--hairline);
    transition: padding-left 0.3s var(--ease-out);
}

.skill-row:hover {
    padding-left: 0.75rem;
}

.skill-row .row-index {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--muted);
}

.skill-row h3 {
    font-family: var(--font-serif);
    font-size: clamp(1.3rem, 2.5vw, 1.7rem);
    font-weight: 560;
    letter-spacing: -0.01em;
}

.skill-row .row-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
}

.tag {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.03em;
    color: var(--ink-soft);
    border: 1px solid var(--hairline-strong);
    border-radius: 999px;
    padding: 0.28rem 0.75rem;
    white-space: nowrap;
    transition: all 0.2s ease;
}

.tag:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* ============================================================
   INDEX / PROJETS — cartes projet
   ============================================================ */
.project-list {
    border-top: 1px solid var(--hairline);
}

.project-row {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: clamp(1.25rem, 4vw, 3rem);
    padding: clamp(1.75rem, 4vw, 2.75rem) 0;
    border-bottom: 1px solid var(--hairline);
    position: relative;
    transition: padding-left 0.35s var(--ease-out);
}

.project-row:hover {
    padding-left: 1rem;
}

.project-row .p-index {
    font-family: var(--font-serif);
    font-size: clamp(1.5rem, 3.5vw, 2.5rem);
    font-style: italic;
    font-weight: 400;
    color: var(--hairline-strong);
    transition: color 0.3s ease;
    min-width: 3.5rem;
}

.project-row:hover .p-index {
    color: var(--accent);
}

.project-row .p-body {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.project-row h3 {
    font-family: var(--font-serif);
    font-size: clamp(1.5rem, 3.5vw, 2.25rem);
    font-weight: 560;
    letter-spacing: -0.015em;
    line-height: 1.15;
}

.project-row .p-desc {
    color: var(--muted);
    max-width: 56ch;
    font-size: 0.97rem;
}

.project-row .p-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-top: 0.5rem;
}

.project-row .p-arrow {
    width: 2.75rem;
    height: 2.75rem;
    border: 1px solid var(--hairline-strong);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--ink-soft);
    transition: all 0.3s var(--ease-out);
    flex-shrink: 0;
}

.project-row .p-arrow svg {
    width: 1.1rem;
    height: 1.1rem;
    transition: transform 0.3s var(--ease-out);
}

.project-row:hover .p-arrow {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

.project-row:hover .p-arrow svg {
    transform: rotate(-45deg);
}

/* Lien étendu sur toute la ligne */
.project-row a.p-stretch::after {
    content: "";
    position: absolute;
    inset: 0;
}

/* ============================================================
   PAGE HEADER (pages internes)
   ============================================================ */
.page-head {
    padding-top: calc(var(--nav-h) + clamp(3rem, 8vw, 6rem));
    padding-bottom: clamp(2.5rem, 6vw, 4rem);
}

.page-head .hero-meta {
    margin-bottom: 1.5rem;
}

.page-title {
    font-family: var(--font-serif);
    font-size: clamp(2.75rem, 7vw, 5rem);
    font-weight: 560;
    letter-spacing: -0.02em;
    line-height: 1.04;
}

.page-title em {
    font-style: italic;
    font-weight: 400;
    color: var(--accent);
}

.page-sub {
    margin-top: 1.25rem;
    color: var(--muted);
    max-width: 54ch;
    font-size: 1.05rem;
}

/* ============================================================
   CV
   ============================================================ */
.cv-layout {
    display: grid;
    grid-template-columns: 16rem 1fr;
    gap: clamp(2rem, 6vw, 5rem);
    padding-bottom: var(--section-gap);
}

.cv-aside {
    display: flex;
    flex-direction: column;
    gap: 2.25rem;
}

.cv-aside-block .mono-label {
    display: block;
    margin-bottom: 0.9rem;
    padding-bottom: 0.6rem;
    border-bottom: 1px solid var(--hairline);
}

.cv-contact-list {
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
    font-size: 0.92rem;
    color: var(--ink-soft);
}

.cv-contact-list a {
    color: var(--ink);
}

.cv-contact-list .c-key {
    font-family: var(--font-mono);
    font-size: 0.66rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted);
    display: block;
}

.cv-lang {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 0.45rem 0;
    border-bottom: 1px dashed var(--hairline);
    font-size: 0.95rem;
}

.cv-lang span:last-child {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--muted);
}

.cv-interest-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.cv-main {
    display: flex;
    flex-direction: column;
    gap: var(--section-gap);
}

.cv-block-head {
    display: flex;
    align-items: baseline;
    gap: 1rem;
    margin-bottom: 2rem;
}

.cv-block-head .section-number {
    flex-shrink: 0;
}

.cv-block-head h2 {
    font-family: var(--font-serif);
    font-size: clamp(1.6rem, 3.5vw, 2.2rem);
    font-weight: 560;
    letter-spacing: -0.015em;
}

/* Timeline expériences */
.timeline {
    position: relative;
    padding-left: 1.75rem;
}

.timeline::before {
    content: "";
    position: absolute;
    left: 4px;
    top: 8px;
    bottom: 8px;
    width: 1px;
    background: var(--hairline-strong);
}

.timeline-item {
    position: relative;
    padding-bottom: 2.5rem;
}

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

.timeline-item::before {
    content: "";
    position: absolute;
    left: -1.75rem;
    top: 8px;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--paper);
    border: 2px solid var(--hairline-strong);
    transition: border-color 0.25s ease, background 0.25s ease;
}

.timeline-item:hover::before {
    border-color: var(--accent);
    background: var(--accent);
}

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

.t-header {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    justify-content: space-between;
    gap: 0.35rem 1rem;
}

.t-header h3 {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    font-weight: 560;
    letter-spacing: -0.01em;
}

.t-date {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.06em;
    color: var(--accent);
    border: 1px solid var(--accent);
    border-radius: 999px;
    padding: 0.2rem 0.7rem;
    white-space: nowrap;
}

.t-company {
    font-weight: 550;
    color: var(--ink-soft);
    margin-top: 0.15rem;
}

.t-location {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--muted);
    margin-top: 0.1rem;
}

.t-list {
    margin-top: 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    color: var(--muted);
    font-size: 0.95rem;
}

.t-list li {
    position: relative;
    padding-left: 1.1rem;
}

.t-list li::before {
    content: "—";
    position: absolute;
    left: 0;
    color: var(--accent);
}

/* Formation */
.edu-list {
    border-top: 1px solid var(--hairline);
}

.edu-item {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: baseline;
    gap: 0.5rem 1.5rem;
    padding: 1.35rem 0;
    border-bottom: 1px solid var(--hairline);
    transition: padding-left 0.3s var(--ease-out);
}

.edu-item:hover {
    padding-left: 0.75rem;
}

.edu-item h3 {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    font-weight: 560;
}

.edu-item .edu-degree {
    grid-column: 1;
    color: var(--muted);
    font-size: 0.95rem;
}

.edu-item .edu-date {
    grid-column: 2;
    grid-row: 1 / span 2;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--muted);
    white-space: nowrap;
    align-self: center;
}

/* Compétences CV */
.cv-skills {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(1.5rem, 4vw, 2.5rem);
}

.cv-skill-cat h3 {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    font-weight: 560;
    padding-bottom: 0.6rem;
    margin-bottom: 0.9rem;
    border-bottom: 1px solid var(--hairline);
}

.cv-skill-cat .row-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

/* ============================================================
   PROJETS — détail
   ============================================================ */
.project-detail {
    padding-block: var(--section-gap);
    border-top: 1px solid var(--hairline);
}

.project-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1.6fr;
    gap: clamp(2rem, 6vw, 5rem);
}

.pd-sticky {
    position: sticky;
    top: calc(var(--nav-h) + 2rem);
    align-self: start;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.pd-index {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--accent);
    letter-spacing: 0.1em;
}

.pd-title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4.5vw, 3rem);
    font-weight: 560;
    letter-spacing: -0.02em;
    line-height: 1.08;
}

.pd-subtitle {
    font-family: var(--font-serif);
    font-style: italic;
    color: var(--muted);
    font-size: 1.1rem;
}

.pd-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-top: 0.5rem;
}

.pd-body > p {
    color: var(--ink-soft);
    font-size: 1.02rem;
    max-width: 60ch;
    margin-bottom: 2.5rem;
}

.pd-features {
    display: flex;
    flex-direction: column;
    border-top: 1px solid var(--hairline);
}

.pd-feature {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 1.25rem;
    padding: 1.4rem 0;
    border-bottom: 1px solid var(--hairline);
}

.pd-feature .f-num {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--muted);
    padding-top: 0.3rem;
}

.pd-feature h4 {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    font-weight: 560;
    margin-bottom: 0.25rem;
}

.pd-feature p {
    color: var(--muted);
    font-size: 0.95rem;
}

.pd-stack {
    margin-top: 2.25rem;
}

.pd-stack .mono-label {
    display: block;
    margin-bottom: 0.85rem;
}

.pd-stack .row-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
    border-top: 1px solid var(--hairline);
    padding: 3rem 0 2.5rem;
}

.footer-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 1.25rem;
}

.footer .footer-name {
    font-family: var(--font-serif);
    font-size: 1.05rem;
    font-weight: 560;
}

.footer .footer-name .brand-dot {
    color: var(--accent);
}

.footer-links {
    display: flex;
    gap: 1.5rem;
    font-size: 0.9rem;
    color: var(--muted);
}

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

.footer-bottom {
    margin-top: 2rem;
    padding-top: 1.25rem;
    border-top: 1px dashed var(--hairline);
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 0.75rem;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.08em;
    color: var(--muted);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
    .about-grid {
        grid-template-columns: 1fr;
    }

    .skill-row {
        grid-template-columns: 2rem 1fr;
    }

    .skill-row .row-tags {
        grid-column: 2;
        margin-top: 0.6rem;
    }

    .cv-layout {
        grid-template-columns: 1fr;
    }

    .cv-aside {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
        gap: 2rem;
        padding-bottom: 2rem;
        border-bottom: 1px solid var(--hairline);
    }

    .cv-skills {
        grid-template-columns: 1fr;
    }

    .project-detail-grid {
        grid-template-columns: 1fr;
    }

    .pd-sticky {
        position: static;
    }
}

@media (max-width: 640px) {
    .navbar-menu {
        gap: 0.9rem;
    }

    .navbar-menu .nav-index {
        display: none;
    }

    .navbar-brand .brand-tag {
        display: none;
    }

    .project-row {
        grid-template-columns: auto 1fr;
    }

    .project-row .p-arrow {
        display: none;
    }

    .hero-foot {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .section-head {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }

    .section-sub {
        grid-column: 1;
        margin-top: 0;
    }
}