/* ===========================
   HOME PAGE — HERO
   =========================== */

.hero {
    min-height: calc(100vh - var(--header-height));
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero__bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero__bg-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: orbFloat 8s ease-in-out infinite;
}

.hero__bg-orb--1 {
    width: 400px;
    height: 400px;
    background: var(--accent-primary);
    top: 10%;
    right: 10%;
    animation-delay: 0s;
}

.hero__bg-orb--2 {
    width: 300px;
    height: 300px;
    background: var(--accent-secondary);
    bottom: 20%;
    left: 5%;
    animation-delay: -3s;
}

.hero__bg-orb--3 {
    width: 200px;
    height: 200px;
    background: #a855f7;
    top: 50%;
    left: 40%;
    animation-delay: -5s;
}

@keyframes orbFloat {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    33% {
        transform: translate(20px, -30px) scale(1.05);
    }

    66% {
        transform: translate(-15px, 15px) scale(0.95);
    }
}

.hero__grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
    align-items: center;
}

.hero__content {
    position: relative;
    z-index: 1;
}

.hero__greeting {
    font-size: var(--fs-md);
    color: var(--accent-secondary);
    font-weight: var(--fw-medium);
    margin-bottom: var(--space-4);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.hero__title {
    font-size: var(--fs-3xl);
    font-weight: var(--fw-extrabold);
    margin-bottom: var(--space-4);
    line-height: 1.1;
}

.hero__subtitle {
    font-size: var(--fs-xl);
    color: var(--text-secondary);
    font-weight: var(--fw-medium);
    margin-bottom: var(--space-6);
}

.hero__desc {
    font-size: var(--fs-md);
    color: var(--text-secondary);
    line-height: var(--lh-relaxed);
    margin-bottom: var(--space-8);
    max-width: 550px;
}

.hero__actions {
    display: flex;
    gap: var(--space-4);
    flex-wrap: wrap;
}

.hero__scroll-indicator {
    position: absolute;
    bottom: calc(var(--space-8) + 4px);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    color: var(--text-tertiary);
    font-size: var(--fs-sm);
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {

    0%,
    100% {
        transform: translateX(-50%) translateY(0);
    }

    50% {
        transform: translateX(-50%) translateY(8px);
    }
}

/* ===========================
   HERO — VISUAL ANIMATION
   =========================== */

.hero__visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-scene {
    position: relative;
    width: 100%;
    aspect-ratio: 1;
    max-width: 480px;
    margin: 0 auto;
}

/* Stars */
.hero-star {
    position: absolute;
    left: var(--x);
    top: var(--y);
    width: var(--size);
    height: var(--size);
    background: #6366f1;
    border-radius: 50%;
    animation: starTwinkle var(--dur) ease-in-out var(--delay) infinite;
}

[data-theme="dark"] .hero-star { background: #c4b5fd; }

@keyframes starTwinkle {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.8); }
}

/* Orbits */
.hero-orbit {
    position: absolute;
    border-radius: 50%;
    border: 1px dashed rgba(99, 102, 241, 0.15);
}

.hero-orbit--1 {
    width: 90%;
    height: 90%;
    top: 5%;
    left: 5%;
    animation: orbitSpin 30s linear infinite;
}

.hero-orbit--2 {
    width: 65%;
    height: 65%;
    top: 17.5%;
    left: 17.5%;
    animation: orbitSpin 22s linear infinite reverse;
    border-style: dotted;
}

@keyframes orbitSpin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Code Window */
.hero-code-window {
    position: absolute;
    top: 12%;
    left: 8%;
    width: 260px;
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(99, 102, 241, 0.10), 0 1px 3px rgba(0,0,0,0.06);
    overflow: hidden;
    animation: codeFloat 6s ease-in-out infinite;
    border: 1px solid rgba(99, 102, 241, 0.08);
}

[data-theme="dark"] .hero-code-window {
    background: #1e1b2e;
    box-shadow: 0 8px 32px rgba(0,0,0,0.3), 0 0 0 1px rgba(139, 92, 246, 0.15);
    border-color: rgba(139, 92, 246, 0.15);
}

@keyframes codeFloat {
    0%, 100% { transform: translateY(0) rotate(-1deg); }
    50% { transform: translateY(-10px) rotate(0.5deg); }
}

.hero-code-window__bar {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    background: #f8f7ff;
    border-bottom: 1px solid rgba(99, 102, 241, 0.06);
}

[data-theme="dark"] .hero-code-window__bar {
    background: #16132a;
    border-bottom-color: rgba(139, 92, 246, 0.1);
}

.hero-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.hero-dot--red { background: #ff6b6b; }
.hero-dot--yellow { background: #ffd93d; }
.hero-dot--green { background: #6bcb77; }

.hero-code-window__filename {
    margin-left: 8px;
    font-size: 10px;
    color: #94a3b8;
    font-family: 'JetBrains Mono', monospace;
}

.hero-code-window__body {
    padding: 12px 14px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    line-height: 1.8;
}

.hero-code-line {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 1px 4px;
    border-radius: 4px;
}

.hero-code-line--active {
    background: rgba(99, 102, 241, 0.06);
}

[data-theme="dark"] .hero-code-line--active {
    background: rgba(139, 92, 246, 0.12);
}

.hero-code-ln {
    color: #cbd5e1;
    font-size: 9px;
    min-width: 14px;
    text-align: right;
    user-select: none;
}

[data-theme="dark"] .hero-code-ln { color: #4b5563; }

.hero-code-indent { width: 16px; display: inline-block; }
.hero-code-kw { color: #8b5cf6; font-weight: 600; }
.hero-code-fn { color: #3b82f6; }
.hero-code-var { color: #0ea5e9; }
.hero-code-op { color: #94a3b8; }
.hero-code-str { color: #10b981; }
.hero-code-br { color: #a78bfa; }

/* Terminal */
.hero-terminal {
    position: absolute;
    bottom: 18%;
    right: 5%;
    background: #ffffff;
    border-radius: 10px;
    padding: 12px 16px;
    box-shadow: 0 6px 24px rgba(16, 185, 129, 0.10), 0 1px 3px rgba(0,0,0,0.05);
    animation: termFloat 5s ease-in-out 1s infinite;
    border: 1px solid rgba(16, 185, 129, 0.1);
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    max-width: 200px;
}

[data-theme="dark"] .hero-terminal {
    background: #1a1a2e;
    box-shadow: 0 6px 24px rgba(0,0,0,0.25), 0 0 0 1px rgba(16, 185, 129, 0.15);
    border-color: rgba(16, 185, 129, 0.15);
}

@keyframes termFloat {
    0%, 100% { transform: translateY(0) rotate(1deg); }
    50% { transform: translateY(-8px) rotate(-0.5deg); }
}

.hero-terminal__prompt { color: #10b981; font-weight: 700; }
.hero-terminal__cmd { color: #64748b; }
[data-theme="dark"] .hero-terminal__cmd { color: #94a3b8; }

.hero-terminal__output {
    margin-top: 6px;
    color: #10b981;
    font-weight: 600;
    font-size: 10px;
}

/* Planet */
.hero-planet {
    position: absolute;
    top: 6%;
    right: 12%;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #818cf8, #6366f1);
    border-radius: 50%;
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.3);
    animation: planetBob 7s ease-in-out infinite;
}

.hero-planet__ring {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 65px;
    height: 18px;
    border: 2px solid rgba(139, 92, 246, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%) rotate(-20deg);
}

@keyframes planetBob {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-12px) scale(1.05); }
}

/* Floating Badges */
.hero-badge {
    position: absolute;
    font-size: 1.8rem;
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.08));
}

.hero-badge--1 {
    bottom: 8%;
    left: 15%;
    animation: badgeFloat 4s ease-in-out 0.5s infinite;
}

.hero-badge--2 {
    top: 40%;
    right: 2%;
    animation: badgeFloat 5s ease-in-out 1.5s infinite;
}

.hero-badge--3 {
    bottom: 40%;
    left: 2%;
    animation: badgeFloat 4.5s ease-in-out 0s infinite;
}

@keyframes badgeFloat {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    25% { transform: translateY(-8px) rotate(5deg); }
    75% { transform: translateY(4px) rotate(-3deg); }
}

/* ===========================
   HOME — STATS BAR
   =========================== */

.stats-bar {
    position: relative;
    z-index: 2;
    margin-top: calc(-1 * var(--space-10));
}

.stats-bar__inner {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    background: var(--bg-card);
    border: var(--border-subtle);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(20px);
    overflow: hidden;
}

.stats-bar__item {
    padding: var(--space-6) var(--space-4);
    text-align: center;
    position: relative;
}

.stats-bar__item:not(:last-child)::after {
    content: '';
    position: absolute;
    right: 0;
    top: 20%;
    height: 60%;
    width: 1px;
    background: var(--border-subtle);
}

.stats-bar__number {
    font-size: var(--fs-xl);
    font-weight: var(--fw-extrabold);
    background: var(--accent-gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stats-bar__label {
    font-size: var(--fs-xs);
    color: var(--text-tertiary);
    margin-top: var(--space-1);
}

/* ===========================
   HOME — ABOUT PREVIEW
   =========================== */

.about-preview {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
    align-items: center;
}

.about-preview__text h3 {
    margin-bottom: var(--space-4);
}

.about-preview__text p {
    margin-bottom: var(--space-6);
}

.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
}

.tech-stack__item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: var(--bg-glass);
    border: var(--border-subtle);
    border-radius: var(--radius-md);
    font-size: var(--fs-sm);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

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

/* ===========================
   HOME — CTA SECTION
   =========================== */

.cta-section {
    background: var(--bg-card);
    border: var(--border-subtle);
    border-radius: var(--radius-xl);
    padding: var(--space-12) var(--space-8);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    inset: -50%;
    background: var(--accent-gradient);
    opacity: 0.03;
    animation: ctaRotate 15s linear infinite;
}

@keyframes ctaRotate {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

.cta-section__title {
    font-size: var(--fs-xl);
    margin-bottom: var(--space-4);
    position: relative;
}

.cta-section__desc {
    color: var(--text-secondary);
    margin-bottom: var(--space-6);
    position: relative;
}

/* ===========================
   BLOG GRID
   =========================== */

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: var(--space-6);
}

/* ===========================
   BLOG POST DETAIL — MODERN
   =========================== */

/* Breadcrumb */
.post-breadcrumb {
    padding: var(--space-6) 0 0;
}

.post-breadcrumb__link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--fs-sm);
    color: var(--text-tertiary);
    font-weight: var(--fw-medium);
    transition: color var(--transition-fast);
    text-decoration: none;
}

.post-breadcrumb__link:hover {
    color: var(--accent-primary);
}

.post-breadcrumb__icon {
    font-size: var(--fs-md);
    transition: transform var(--transition-fast);
}

.post-breadcrumb__link:hover .post-breadcrumb__icon {
    transform: translateX(-3px);
}

/* Post Hero */
.post-hero {
    text-align: center;
    padding: var(--space-10) 0 var(--space-12);
    position: relative;
    max-width: var(--container-narrow);
    margin: 0 auto;
}

.post-hero__meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    margin-bottom: var(--space-6);
    font-size: var(--fs-sm);
    color: var(--text-tertiary);
    flex-wrap: wrap;
}

.post-hero__meta-divider {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--text-tertiary);
    opacity: 0.5;
}

.post-hero__title {
    font-size: clamp(1.8rem, 1.2rem + 2.5vw, 3rem);
    font-weight: var(--fw-extrabold);
    line-height: var(--lh-tight);
    margin-bottom: var(--space-6);
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-primary) 60%, var(--accent-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.post-hero__excerpt {
    font-size: var(--fs-md);
    color: var(--text-secondary);
    line-height: var(--lh-relaxed);
    max-width: 600px;
    margin: 0 auto var(--space-6);
}

.post-hero__tags {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.post-hero__divider {
    width: 60px;
    height: 3px;
    background: var(--accent-gradient);
    border-radius: var(--radius-full);
    margin: var(--space-8) auto 0;
}

/* Post Layout (Content + TOC Sidebar) */
.post-layout {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: var(--space-10);
    max-width: calc(var(--container-narrow) + 260px);
    margin: 0 auto;
}

/* Table of Contents */
.post-toc {
    position: relative;
}

.post-toc__inner {
    position: sticky;
    top: calc(var(--header-height) + var(--space-6));
}

.post-toc__title {
    font-size: var(--fs-xs);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-tertiary);
    font-weight: var(--fw-semibold);
    margin-bottom: var(--space-4);
}

.post-toc__nav {
    display: flex;
    flex-direction: column;
    gap: 0;
    border-left: 2px solid rgba(var(--accent-primary-rgb), 0.1);
}

.post-toc__link {
    display: block;
    padding: var(--space-2) var(--space-4);
    font-size: var(--fs-xs);
    color: var(--text-tertiary);
    text-decoration: none;
    border-left: 2px solid transparent;
    margin-left: -2px;
    transition: all var(--transition-fast);
    line-height: 1.4;
}

.post-toc__link:hover {
    color: var(--accent-primary);
}

.post-toc__link.active {
    color: var(--accent-primary);
    border-left-color: var(--accent-primary);
    font-weight: var(--fw-medium);
}

.post-toc__link--h3 {
    padding-left: calc(var(--space-4) + var(--space-3));
    font-size: 0.7rem;
}

/* Post Footer */
.post-footer {
    max-width: var(--container-narrow);
    margin: var(--space-12) auto;
}

/* Share Bar */
.post-share-bar {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-6) 0;
    border-top: var(--border-subtle);
    border-bottom: var(--border-subtle);
    flex-wrap: wrap;
}

.post-share-bar__label {
    font-size: var(--fs-sm);
    color: var(--text-tertiary);
    font-weight: var(--fw-medium);
    margin-right: auto;
}

.post-share-bar__btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: var(--bg-glass);
    border: var(--border-subtle);
    border-radius: var(--radius-full);
    font-size: var(--fs-xs);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    font-family: var(--font-primary);
}

.post-share-bar__btn:hover {
    background: rgba(var(--accent-primary-rgb), 0.1);
    color: var(--accent-primary);
    border-color: rgba(var(--accent-primary-rgb), 0.2);
    transform: translateY(-1px);
}

/* Author Card */
.post-author-card {
    display: flex;
    gap: var(--space-5);
    align-items: center;
    padding: var(--space-6);
    margin-top: var(--space-8);
    background: var(--bg-card);
    border: var(--border-subtle);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(20px);
}

.post-author-card__avatar {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-full);
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--fs-lg);
    font-weight: var(--fw-bold);
    color: white;
    flex-shrink: 0;
}

.post-author-card__name {
    font-size: var(--fs-base);
    font-weight: var(--fw-semibold);
    margin-bottom: var(--space-1);
}

.post-author-card__bio {
    font-size: var(--fs-sm);
    color: var(--text-secondary);
    line-height: var(--lh-normal);
    margin-bottom: var(--space-3);
}

.post-author-card__links {
    display: flex;
    gap: var(--space-3);
}

.post-author-card__link {
    font-size: var(--fs-xs);
    color: var(--accent-primary);
    font-weight: var(--fw-medium);
    text-decoration: none;
    transition: opacity var(--transition-fast);
}

.post-author-card__link:hover {
    opacity: 0.8;
}

/* ===========================
   ROADMAPS
   =========================== */

.roadmap-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: var(--space-6);
}

.roadmap-card {
    padding: var(--space-8);
}

.roadmap-card__icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-4);
}

.roadmap-card__title {
    font-size: var(--fs-lg);
    margin-bottom: var(--space-3);
}

.roadmap-card__desc {
    font-size: var(--fs-sm);
    color: var(--text-secondary);
    margin-bottom: var(--space-6);
}

.roadmap-card__level {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--fs-sm);
    color: var(--text-tertiary);
}

/* ——— Roadmap Topic Card ——— */
.roadmap-topic-card {
    border-radius: var(--radius-md) !important;
    border: 1px solid var(--border-subtle) !important;
    background: var(--bg-card) !important;
    transition: all var(--transition-base) !important;
}

.roadmap-topic-card:hover {
    transform: translateY(-4px) scale(1.02);
    border-color: var(--accent-primary) !important;
    box-shadow: 0 10px 30px -10px rgba(var(--accent-primary-rgb), 0.2);
    z-index: 1;
}

/* ——— Modal Overlay ——— */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 3000;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base);
    padding: var(--space-6);
}

.modal-overlay.open {
    opacity: 1;
    pointer-events: auto;
}

.modal {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 600px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    transform: translateY(20px);
    transition: transform var(--transition-base);
    overflow: hidden;
    position: relative;
}

.modal-overlay.open .modal {
    transform: translateY(0);
}

.modal__close {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    border: none;
    color: var(--text-primary);
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    z-index: 10;
}

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

.modal__header {
    padding: var(--space-8) var(--space-8) var(--space-4);
    border-bottom: 1px solid var(--border-subtle);
}

.modal__title {
    font-size: var(--fs-xl);
    font-weight: var(--fw-bold);
    color: var(--text-primary);
    line-height: 1.2;
}

.modal__body {
    padding: var(--space-6) var(--space-8);
}

.modal__footer {
    padding: var(--space-4) var(--space-8) var(--space-8);
    display: flex;
    justify-content: flex-end;
}

.roadmap-detail {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: var(--space-8);
    margin-top: var(--space-8);
}

.roadmap-nav {
    position: sticky;
    top: calc(var(--header-height) + var(--space-6));
    align-self: start;
}

.roadmap-nav__list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.roadmap-nav__link {
    padding: var(--space-3) var(--space-4);
    font-size: var(--fs-sm);
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    border-left: 2px solid transparent;
    transition: all var(--transition-fast);
}

.roadmap-nav__link:hover,
.roadmap-nav__link.active {
    color: var(--accent-primary);
    background: rgba(var(--accent-primary-rgb), 0.05);
    border-left-color: var(--accent-primary);
}

/* ===========================
   INTERVIEW PREP
   =========================== */

.interview-categories {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--space-6);
    margin-bottom: var(--space-12);
}

.interview-tips {
    background: var(--bg-card);
    border: var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
}

.interview-tips__title {
    font-size: var(--fs-lg);
    margin-bottom: var(--space-6);
}

.interview-tips__list {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.interview-tip {
    display: flex;
    gap: var(--space-4);
    align-items: flex-start;
}

.interview-tip__icon {
    font-size: var(--fs-lg);
    flex-shrink: 0;
    margin-top: 2px;
}

.interview-tip__text {
    font-size: var(--fs-sm);
    color: var(--text-secondary);
    line-height: var(--lh-relaxed);
}

/* ===========================
   RESOURCES
   =========================== */

.resource-section {
    margin-bottom: var(--space-12);
}

.resource-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-5);
}

.resource-card {
    display: flex;
    gap: var(--space-4);
    align-items: flex-start;
    padding: var(--space-5);
}

.resource-card__icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.resource-card__info {
    flex: 1;
}

.resource-card__title {
    font-size: var(--fs-base);
    font-weight: var(--fw-semibold);
    margin-bottom: var(--space-1);
}

.resource-card__desc {
    font-size: var(--fs-sm);
    color: var(--text-secondary);
    margin-bottom: var(--space-2);
}

.resource-card__link {
    font-size: var(--fs-xs);
    color: var(--accent-primary);
    font-weight: var(--fw-medium);
}

/* Word of the Day */
.word-of-day {
    background: var(--bg-card);
    border: var(--border-accent);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    text-align: center;
    margin-bottom: var(--space-12);
}

.word-of-day__label {
    font-size: var(--fs-xs);
    color: var(--accent-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: var(--fw-semibold);
    margin-bottom: var(--space-3);
}

.word-of-day__word {
    font-size: var(--fs-2xl);
    font-weight: var(--fw-extrabold);
    margin-bottom: var(--space-2);
}

.word-of-day__pronunciation {
    font-size: var(--fs-sm);
    color: var(--text-tertiary);
    font-style: italic;
    margin-bottom: var(--space-4);
}

.word-of-day__meaning {
    font-size: var(--fs-md);
    color: var(--text-secondary);
    margin-bottom: var(--space-4);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.word-of-day__example {
    font-size: var(--fs-sm);
    color: var(--text-tertiary);
    font-style: italic;
}

/* ===========================
   CONTACT — HERO ANIMATION
   =========================== */

.contact-hero-wrapper {
    display: flex;
    align-items: center;
    gap: var(--space-8);
    flex-direction: row-reverse;
}

.contact-hero-text {
    flex: 1;
}

.contact-hero-animation {
    flex: 0 0 280px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.envelope-container {
    position: relative;
    width: 220px;
    height: 220px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.envelope {
    position: relative;
    z-index: 2;
    animation: envelopeFloat 4s ease-in-out infinite;
}

.envelope-body {
    font-size: 4.5rem;
    filter: drop-shadow(0 8px 24px rgba(99, 102, 241, 0.25));
}

.envelope-shadow {
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 8px;
    background: radial-gradient(ellipse, rgba(99, 102, 241, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    animation: shadowPulse 4s ease-in-out infinite;
}

@keyframes envelopeFloat {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    25% { transform: translateY(-12px) rotate(2deg); }
    75% { transform: translateY(4px) rotate(-1deg); }
}

@keyframes shadowPulse {
    0%, 100% { transform: translateX(-50%) scale(1); opacity: 0.6; }
    25% { transform: translateX(-50%) scale(0.7); opacity: 0.3; }
    75% { transform: translateX(-50%) scale(1.1); opacity: 0.7; }
}

/* Orbit */
.orbit-ring {
    position: absolute;
    width: 180px;
    height: 180px;
    border-radius: 50%;
    border: 1.5px dashed rgba(99, 102, 241, 0.12);
    animation: orbitRotate 12s linear infinite;
}

[data-theme="dark"] .orbit-ring {
    border-color: rgba(139, 92, 246, 0.18);
}

@keyframes orbitRotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.orbit-icon {
    position: absolute;
    font-size: 1.5rem;
    filter: drop-shadow(0 2px 6px rgba(0,0,0,0.1));
}

.orbit-1 { top: -12px; left: 50%; transform: translateX(-50%); }
.orbit-2 { bottom: -12px; left: 10%; }
.orbit-3 { bottom: 20%; right: -14px; }

/* Pulse Rings */
.pulse-ring {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 1px solid rgba(99, 102, 241, 0.08);
    animation: pulseExpand 3s ease-out infinite;
}

[data-theme="dark"] .pulse-ring {
    border-color: rgba(139, 92, 246, 0.1);
}

.pulse-2 { animation-delay: 1s; }
.pulse-3 { animation-delay: 2s; }

@keyframes pulseExpand {
    0% { transform: scale(0.8); opacity: 0.6; }
    100% { transform: scale(1.6); opacity: 0; }
}

/* Particles */
.particle {
    position: absolute;
    color: var(--accent-primary);
    font-size: 0.5rem;
    opacity: 0;
    animation: particleDrift 4s ease-in-out infinite;
}

.p1 { top: 10%; left: 20%; animation-delay: 0s; }
.p2 { top: 25%; right: 15%; animation-delay: 0.8s; }
.p3 { bottom: 20%; left: 10%; animation-delay: 1.6s; }
.p4 { bottom: 10%; right: 25%; animation-delay: 2.4s; }
.p5 { top: 50%; left: 5%; animation-delay: 3.2s; }

@keyframes particleDrift {
    0% { opacity: 0; transform: translateY(10px) scale(0.5); }
    30% { opacity: 0.8; transform: translateY(-5px) scale(1); }
    70% { opacity: 0.6; transform: translateY(-15px) scale(0.8); }
    100% { opacity: 0; transform: translateY(-25px) scale(0.3); }
}

@media (max-width: 768px) {
    .contact-hero-wrapper {
        flex-direction: column;
        text-align: center;
    }
    .contact-hero-animation {
        flex: 0 0 auto;
    }
    .envelope-container {
        width: 180px;
        height: 180px;
    }
    .envelope-body {
        font-size: 3.5rem;
    }
    .orbit-ring {
        width: 150px;
        height: 150px;
    }
}

/* Animation Panel (replaces form) */
.contact-animation-panel {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
    background: transparent;
    border: none;
    border-radius: var(--radius-lg);
    padding: var(--space-8);
}

.contact-anim-large {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-6);
}

.contact-anim-large .envelope-container {
    width: 260px;
    height: 260px;
}

.contact-anim-large .envelope-body {
    font-size: 5rem;
}

.contact-anim-text {
    font-size: var(--fs-md);
    color: var(--text-secondary);
    text-align: center;
    font-weight: var(--fw-medium);
}

/* ===========================
   CONTACT
   ===========================
 */

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
}

.contact-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--space-8);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.contact-item {
    display: flex;
    gap: var(--space-5);
    padding: var(--space-5);
    background: var(--bg-card);
    border: var(--border-subtle);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    align-items: center;
}

.contact-item:hover {
    border-color: var(--accent-primary);
    transform: translateX(5px);
    box-shadow: var(--shadow-sm);
}

.contact-item__icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-glass);
    border: 1px solid rgba(var(--accent-primary-rgb), 0.1);
    border-radius: var(--radius-md);
    font-size: 1.4rem;
    color: var(--accent-primary);
    flex-shrink: 0;
}

.contact-item__content {
    flex: 1;
    min-width: 0;
}

.contact-item__label {
    font-size: 0.7rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 2px;
}

.contact-item__value {
    font-size: var(--fs-base);
    color: var(--text-primary);
    font-weight: var(--fw-semibold);
    text-decoration: none;
    display: block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    word-break: break-all;
}

.contact-social-section {
    padding-top: var(--space-4);
    border-top: 1px solid var(--border-subtle);
}

.contact-social-label {
    font-size: var(--fs-xs);
    color: var(--text-tertiary);
    margin-bottom: var(--space-4);
}

.contact-form {
    background: var(--bg-card);
    border: var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    backdrop-filter: blur(20px);
}

.form-group {
    margin-bottom: var(--space-5);
}

.form-label {
    display: block;
    font-size: var(--fs-sm);
    font-weight: var(--fw-medium);
    color: var(--text-secondary);
    margin-bottom: var(--space-2);
}

.form-input,
.form-textarea {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-family: var(--font-primary);
    font-size: var(--fs-base);
    color: var(--text-primary);
    background: var(--bg-tertiary);
    border: var(--border-subtle);
    border-radius: var(--radius-md);
    outline: none;
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(var(--accent-primary-rgb), 0.1);
}

.form-textarea {
    min-height: 150px;
    resize: vertical;
}

/* ===========================
   RESPONSIVE — PAGE SPECIFIC
   =========================== */

@media (max-width: 768px) {
    .hero {
        min-height: auto;
        padding: var(--space-16) 0;
    }

    .hero__title {
        font-size: var(--fs-2xl);
    }

    .hero__scroll-indicator {
        display: none;
    }

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

    .hero__visual {
        display: none;
    }

    .stats-bar {
        margin-top: var(--space-4);
    }

    .stats-bar__inner {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-preview {
        grid-template-columns: 1fr;
    }

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

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

    .roadmap-nav {
        position: static;
    }

    .roadmap-cards {
        grid-template-columns: 1fr;
    }

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

    .interview-categories {
        grid-template-columns: 1fr;
    }

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

/* ——— Reading Progress ——— */
.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: transparent;
  z-index: 2000;
  pointer-events: none;
}

.reading-progress__bar {
  height: 100%;
  background: var(--accent-gradient);
  width: 0%;
  transition: width 0.15s ease;
  box-shadow: 0 0 12px rgba(var(--accent-primary-rgb), 0.4);
}

/* ——— Post Content Typography ——— */
.post-content {
  font-size: clamp(1rem, 0.95rem + 0.3vw, 1.125rem);
  line-height: 1.85;
  color: var(--text-secondary);
  max-width: var(--container-narrow);
}

.post-content h2 {
  color: var(--text-primary);
  font-size: var(--fs-xl);
  font-weight: var(--fw-bold);
  margin: var(--space-12) 0 var(--space-5);
  padding-top: var(--space-4);
  letter-spacing: -0.01em;
  scroll-margin-top: calc(var(--header-height) + var(--space-4));
}

.post-content h2::before {
  content: '';
  display: block;
  width: 32px;
  height: 3px;
  background: var(--accent-gradient);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-3);
}

.post-content h3 {
  color: var(--text-primary);
  font-size: var(--fs-lg);
  font-weight: var(--fw-semibold);
  margin: var(--space-8) 0 var(--space-3);
  scroll-margin-top: calc(var(--header-height) + var(--space-4));
}

.post-content p {
  margin-bottom: var(--space-6);
}

.post-content ul,
.post-content ol {
  margin-bottom: var(--space-6);
  padding-left: var(--space-6);
}

.post-content li {
  margin-bottom: var(--space-3);
  padding-left: var(--space-2);
}

.post-content li::marker {
  color: var(--accent-primary);
}

.post-content strong {
  color: var(--text-primary);
  font-weight: var(--fw-semibold);
}

.post-content blockquote {
  position: relative;
  border-left: 3px solid var(--accent-primary);
  background: rgba(var(--accent-primary-rgb), 0.04);
  padding: var(--space-5) var(--space-6);
  margin: var(--space-8) 0;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-style: italic;
  color: var(--text-secondary);
}

.post-content blockquote p:last-child {
  margin-bottom: 0;
}

.post-content code {
  background: var(--bg-tertiary);
  color: var(--accent-secondary);
  padding: 0.15em 0.5em;
  border-radius: var(--radius-sm);
  font-size: 0.88em;
  font-family: var(--font-mono);
  border: 1px solid rgba(var(--accent-secondary-rgb), 0.1);
}

.post-content pre {
  background: var(--bg-tertiary);
  border: var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  margin: var(--space-6) 0;
  overflow-x: auto;
  position: relative;
}

.post-content pre code {
  background: transparent;
  padding: 0;
  border: none;
  font-size: 0.85em;
  line-height: 1.7;
  color: var(--text-secondary);
}

.post-content a {
  color: var(--accent-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition-fast);
}

.post-content a:hover {
  color: var(--accent-secondary);
}

.post-content img {
  max-width: 100%;
  border-radius: var(--radius-md);
  margin: var(--space-6) 0;
}

.post-content hr {
  border: none;
  height: 1px;
  background: var(--border-subtle);
  margin: var(--space-12) 0;
}

/* ——— Responsive: Blog Post ——— */
@media (max-width: 960px) {
  .post-layout {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .post-toc {
    display: none;
  }
}

@media (max-width: 768px) {
  .post-hero {
    padding: var(--space-6) var(--space-4) var(--space-8);
  }

  .post-hero__title {
    font-size: clamp(1.5rem, 1rem + 2vw, 2rem);
  }

  .post-content {
    font-size: 1rem;
    line-height: 1.75;
  }

  .post-author-card {
    flex-direction: column;
    text-align: center;
  }

  .post-author-card__links {
    justify-content: center;
  }

  .post-share-bar {
    justify-content: center;
  }

  .post-share-bar__label {
    width: 100%;
    text-align: center;
    margin-right: 0;
    margin-bottom: var(--space-3);
  }
}