/* =========================================================================
   Iliyana Portfolio — vanilla CSS
   Palette: warm beige / brown
   ========================================================================= */

:root {
    --beige: #eeddd0;
    --beige-light: #f5ece4;
    --beige-mid: #e5d0c0;
    --beige-tag: #d9c4b0;
    --divider: #d4bfad;
    --brown-light: #c9b09a;
    --brown-medium: #886e5a;
    --brown-dark: #44372d;
    --brown-darker: #3a2e25;
    --brown-deepest: #2b211b;

    --white: #ffffff;
    --black: #111;
    --success-bg: #d4edd4;
    --success-fg: #2e6f2e;
    --success-border: #7eb87e;
    --error-bg: #f5d4d4;
    --error-fg: #8b2434;
    --error-border: #d4737a;

    --shadow-sm: 0 2px 8px rgba(68, 55, 45, 0.08);
    --shadow-md: 0 6px 18px rgba(68, 55, 45, 0.10);
    --shadow-lg: 0 14px 36px rgba(68, 55, 45, 0.14);
    --shadow-xl: 0 24px 80px rgba(68, 55, 45, 0.22);

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-pill: 9999px;

    --font-serif: 'Playfair Display', Georgia, serif;
    --font-sans: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', Consolas, monospace;

    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--brown-dark);
    background: var(--beige);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

input, textarea, select {
    font: inherit;
}

ul, ol {
    list-style: none;
}

h1, h2, h3, h4 {
    font-family: var(--font-serif);
    font-weight: 700;
    color: var(--brown-dark);
    line-height: 1.2;
}

/* Reveal-on-scroll animations ---------------------------------------- */
[data-reveal] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
    transition-delay: var(--reveal-delay, 0s);
}
[data-reveal="left"] { transform: translateX(-30px); }
[data-reveal="right"] { transform: translateX(30px); }
[data-reveal].is-visible {
    opacity: 1;
    transform: none;
}

/* Section divider ----------------------------------------------------- */
.section-heading {
    text-align: center;
    margin-bottom: 4rem;
}
.section-heading h2 {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    margin-bottom: 0.5rem;
}
.section-heading .subtitle {
    color: var(--brown-medium);
    font-size: 1.05rem;
    max-width: 600px;
    margin: 0 auto;
}
.section-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin: 1rem auto 0;
    max-width: 240px;
}
.section-divider::before, .section-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--brown-light);
}
.section-divider span {
    display: inline-block;
    width: 10px;
    height: 10px;
    background: var(--brown-medium);
    transform: rotate(45deg);
}

/* Layout helpers ------------------------------------------------------ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    padding: 6rem 0;
}

/* =========================================================================
   NAVBAR
   ========================================================================= */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(238, 221, 208, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: background var(--transition), box-shadow var(--transition);
}
.navbar.is-scrolled {
    background: rgba(58, 46, 37, 0.92);
    box-shadow: 0 6px 24px rgba(68, 55, 45, 0.18);
}
.navbar.is-scrolled .nav-logo,
.navbar.is-scrolled .nav-link,
.navbar.is-scrolled .nav-toggle {
    color: var(--beige);
}

.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--brown-medium);
    letter-spacing: -0.01em;
    transition: color var(--transition);
}

.nav-menu {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--brown-dark);
    padding: 0.5rem 0;
    position: relative;
    transition: color var(--transition);
}
.nav-link::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 2px;
    background: var(--brown-medium);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.25s ease;
}
.nav-link:hover::after,
.nav-link.is-active::after {
    transform: scaleX(1);
}
.navbar.is-scrolled .nav-link::after {
    background: var(--beige);
}

.nav-toggle {
    display: none;
    font-size: 1.5rem;
    color: var(--brown-dark);
    transition: color var(--transition);
}

.nav-mobile {
    display: none;
    background: var(--beige);
    border-top: 1px solid var(--brown-light);
    padding: 1rem 0;
}
.navbar.is-scrolled .nav-mobile {
    background: var(--brown-darker);
    border-top-color: rgba(238, 221, 208, 0.1);
}
.nav-mobile a {
    display: block;
    padding: 0.75rem 2rem;
    font-size: 1rem;
    color: var(--brown-dark);
    transition: background var(--transition);
}
.nav-mobile a:hover {
    background: var(--beige-mid);
}
.navbar.is-scrolled .nav-mobile a {
    color: var(--beige);
}
.navbar.is-scrolled .nav-mobile a:hover {
    background: var(--brown-deepest);
}

@media (max-width: 768px) {
    .nav-menu { display: none; }
    .nav-toggle { display: inline-flex; }
    .nav-mobile.is-open { display: block; }
}

/* =========================================================================
   HERO
   ========================================================================= */
.hero {
    min-height: 100vh;
    padding-top: 72px;
    position: relative;
    overflow: hidden;
    background: linear-gradient(180deg, var(--beige) 0%, var(--beige-light) 100%);
    display: flex;
    align-items: center;
}

.hero-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.45;
    pointer-events: none;
}
.hero-blob-1 {
    top: -120px;
    right: -120px;
    width: 460px;
    height: 460px;
    background: radial-gradient(circle, var(--brown-medium) 0%, transparent 70%);
}
.hero-blob-2 {
    bottom: -100px;
    left: -100px;
    width: 380px;
    height: 380px;
    background: radial-gradient(circle, var(--brown-light) 0%, transparent 70%);
}

.hero-inner {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 4rem;
    align-items: center;
    width: 100%;
}

.hero-intro {
    font-size: 0.95rem;
    color: var(--brown-medium);
    letter-spacing: 0.18em;
    text-transform: uppercase;
    margin-bottom: 1rem;
    font-weight: 500;
}

.hero-name {
    font-family: var(--font-serif);
    font-size: clamp(2.5rem, 6vw, 3.75rem);
    color: var(--brown-dark);
    line-height: 1.05;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.hero-titles {
    font-size: clamp(1rem, 2.5vw, 1.4rem);
    color: var(--brown-medium);
    min-height: 1.6em;
    margin-bottom: 1.5rem;
    font-weight: 500;
    font-family: var(--font-mono);
}
.hero-titles .typed {
    border-right: 2px solid var(--brown-medium);
    padding-right: 4px;
    animation: blink 1s step-end infinite;
}
@keyframes blink {
    0%, 50% { border-color: var(--brown-medium); }
    51%, 100% { border-color: transparent; }
}

.hero-bio {
    font-size: 1.05rem;
    color: var(--brown-dark);
    max-width: 540px;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.85rem 1.75rem;
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
    font-family: var(--font-sans);
    text-decoration: none;
}
.btn-primary {
    background: var(--brown-medium);
    color: var(--beige);
}
.btn-primary:hover {
    background: var(--brown-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}
.btn-secondary {
    background: transparent;
    color: var(--brown-medium);
    border-color: var(--brown-medium);
}
.btn-secondary:hover {
    background: var(--brown-medium);
    color: var(--beige);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}
.btn-block {
    width: 100%;
    justify-content: center;
}

.hero-photo-wrap {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}
.hero-photo {
    width: 280px;
    height: 280px;
    border-radius: 50%;
    object-fit: cover;
    border: 6px solid var(--beige);
    box-shadow: var(--shadow-lg);
    position: relative;
    z-index: 1;
}
.hero-photo-halo {
    position: absolute;
    width: 320px;
    height: 320px;
    border-radius: 50%;
    background: conic-gradient(from 0deg, var(--brown-medium), var(--brown-light), var(--beige-mid), var(--brown-medium));
    filter: blur(20px);
    opacity: 0.6;
    animation: spin 14s linear infinite;
}
@keyframes spin {
    to { transform: rotate(360deg); }
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    color: var(--brown-medium);
    font-size: 1.5rem;
    animation: bounce 2s ease-in-out infinite;
    cursor: pointer;
    background: none;
    border: none;
}
@keyframes bounce {
    0%, 100% { transform: translate(-50%, 0); }
    50% { transform: translate(-50%, 10px); }
}

@media (max-width: 768px) {
    .hero-inner {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    .hero-photo-wrap { display: none; }
    .hero-bio { margin-left: auto; margin-right: auto; }
    .hero-actions { justify-content: center; }
}

/* =========================================================================
   ABOUT
   ========================================================================= */
.about {
    background: var(--beige-light);
}
.about-grid {
    display: grid;
    grid-template-columns: minmax(280px, 1fr) 1.4fr;
    gap: 4rem;
    align-items: center;
    margin-top: 2rem;
}

.about-photo-wrap {
    display: flex;
    justify-content: center;
}
.about-photo-frame {
    position: relative;
    width: 100%;
    max-width: 380px;
}
.about-photo-frame::before {
    content: '';
    position: absolute;
    inset: 14px -14px -14px 14px;
    border: 3px solid var(--brown-medium);
    border-radius: var(--radius-lg);
    z-index: 0;
}
.about-photo {
    position: relative;
    z-index: 1;
    width: 100%;
    height: 420px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    transform: rotate(-2deg);
    transition: transform var(--transition);
}
.about-photo:hover {
    transform: rotate(0deg) scale(1.02);
}

.about-content p {
    margin-bottom: 1rem;
    font-size: 1.05rem;
    color: var(--brown-dark);
    opacity: 0.95;
}
.about-content p:last-child { margin-bottom: 0; }

.about-stats {
    margin-top: 4rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1.5rem;
}
.stat-card {
    background: var(--beige-mid);
    padding: 1.75rem 1rem;
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition), box-shadow var(--transition);
}
.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}
.stat-value {
    font-family: var(--font-serif);
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--brown-medium);
    line-height: 1;
}
.stat-label {
    font-size: 0.9rem;
    color: var(--brown-dark);
    margin-top: 0.5rem;
    opacity: 0.85;
}

@media (max-width: 768px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    .about-photo { height: 320px; }
}

/* =========================================================================
   SKILLS
   ========================================================================= */
.skills {
    background: var(--beige);
}
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1.5rem;
}
.skill-card {
    background: var(--beige-mid);
    padding: 1.75rem 1.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition), box-shadow var(--transition);
}
.skill-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}
.skill-icon {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 1rem;
    line-height: 1;
}
.skill-name {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--brown-dark);
}
.skill-bar {
    height: 6px;
    background: var(--brown-light);
    border-radius: var(--radius-pill);
    overflow: hidden;
    margin-bottom: 0.5rem;
}
.skill-bar-fill {
    height: 100%;
    background: var(--brown-medium);
    border-radius: var(--radius-pill);
    width: 0;
    transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1) 0.3s;
}
.skill-card.is-visible .skill-bar-fill {
    width: var(--target-width, 0%);
}
.skill-percent {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--brown-medium);
    text-align: right;
}

/* =========================================================================
   PORTFOLIO
   ========================================================================= */
.portfolio {
    background: var(--beige-light);
    padding: 6rem 0;
}
.portfolio-tabs {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 2.5rem;
    padding: 0 2rem;
}
.portfolio-tab {
    padding: 0.6rem 1.25rem;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--brown-medium);
    background: transparent;
    border: 1.5px solid var(--brown-medium);
    border-radius: var(--radius-pill);
    cursor: pointer;
    transition: all var(--transition);
}
.portfolio-tab:hover {
    background: var(--brown-medium);
    color: var(--beige);
}
.portfolio-tab.is-active {
    background: var(--brown-medium);
    color: var(--beige);
    border-color: var(--brown-medium);
}

.portfolio-carousel-wrap {
    position: relative;
    padding: 0 4rem;
}

.portfolio-carousel {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    scrollbar-width: none;
    -ms-overflow-style: none;
}
.portfolio-carousel::-webkit-scrollbar { display: none; }

.portfolio-panel {
    flex: 0 0 100%;
    scroll-snap-align: start;
    padding: 1rem 0.5rem;
}
.portfolio-panel-header {
    text-align: center;
    margin-bottom: 1.5rem;
}
.portfolio-panel-header h3 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--brown-dark);
}
.portfolio-panel-header .count {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--brown-medium);
    margin-top: 0.25rem;
    display: block;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.project-card {
    background: var(--beige);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    transition: transform var(--transition), box-shadow var(--transition);
}
.project-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}
.project-card:hover .project-thumb img {
    transform: scale(1.05);
}
.project-thumb {
    height: 200px;
    overflow: hidden;
    background: var(--beige-mid);
}
.project-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.project-body {
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    flex: 1;
}
.project-title {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--brown-dark);
    margin-bottom: 0.5rem;
}
.project-short {
    color: var(--brown-dark);
    opacity: 0.85;
    font-size: 0.92rem;
    margin-bottom: 1rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    margin-bottom: 1rem;
}
.tag {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    background: var(--beige-tag);
    color: var(--brown-dark);
    border-radius: var(--radius-sm);
}
.project-actions {
    margin-top: auto;
    display: flex;
    gap: 0.5rem;
}
.project-actions .btn {
    flex: 1;
    padding: 0.55rem 0.75rem;
    font-size: 0.85rem;
    justify-content: center;
}

.portfolio-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--beige);
    color: var(--brown-medium);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all var(--transition);
    z-index: 2;
}
.portfolio-arrow:hover:not(:disabled) {
    background: var(--brown-medium);
    color: var(--beige);
}
.portfolio-arrow:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}
.portfolio-arrow-prev { left: 0.5rem; }
.portfolio-arrow-next { right: 0.5rem; }

.portfolio-dots {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 2rem;
}
.portfolio-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--brown-light);
    cursor: pointer;
    transition: all var(--transition);
    border: none;
    padding: 0;
}
.portfolio-dot.is-active {
    width: 24px;
    border-radius: 4px;
    background: var(--brown-medium);
}

.portfolio-empty {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--brown-medium);
}
.portfolio-empty .emoji {
    font-size: 2.5rem;
    display: block;
    margin-bottom: 1rem;
}

@media (max-width: 768px) {
    .portfolio-carousel-wrap { padding: 0 1rem; }
    .portfolio-arrow { width: 36px; height: 36px; }
}

/* =========================================================================
   PROJECT MODAL
   ========================================================================= */
.project-modal {
    position: fixed;
    inset: 0;
    background: rgba(68, 55, 45, 0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}
.project-modal-content {
    background: var(--beige);
    border-radius: var(--radius-lg);
    max-width: 800px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    position: relative;
}
.project-modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(238, 221, 208, 0.85);
    color: var(--brown-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    z-index: 3;
    transition: all var(--transition);
}
.project-modal-close:hover {
    background: var(--brown-medium);
    color: var(--beige);
}
.project-modal-image-wrap {
    position: relative;
    height: 380px;
    background: var(--beige-mid);
    overflow: hidden;
    border-top-left-radius: var(--radius-lg);
    border-top-right-radius: var(--radius-lg);
}
.project-modal-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.project-modal-gallery-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(238, 221, 208, 0.85);
    color: var(--brown-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
}
.project-modal-gallery-arrow:hover {
    background: var(--brown-medium);
    color: var(--beige);
}
.project-modal-gallery-arrow.prev { left: 1rem; }
.project-modal-gallery-arrow.next { right: 1rem; }
.project-modal-thumbs {
    position: absolute;
    bottom: 1rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.5rem;
    background: rgba(238, 221, 208, 0.6);
    padding: 0.35rem;
    border-radius: var(--radius-sm);
}
.project-modal-thumb {
    width: 56px;
    height: 40px;
    border-radius: 4px;
    overflow: hidden;
    border: 2px solid transparent;
    cursor: pointer;
    padding: 0;
    background: var(--beige-mid);
}
.project-modal-thumb.is-active {
    border-color: var(--brown-medium);
}
.project-modal-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.project-modal-body {
    padding: 2rem;
}
.project-modal-title {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    margin-bottom: 1rem;
    color: var(--brown-dark);
}
.project-modal-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: 1.25rem;
}
.project-modal-desc {
    color: var(--brown-dark);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}
.project-modal-cta {
    display: inline-flex;
}

/* =========================================================================
   EDUCATION
   ========================================================================= */
.education {
    background: var(--beige);
}
.education-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 4rem;
    margin-top: 2rem;
}

.section-block-title {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--brown-dark);
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.section-block-title i {
    color: var(--brown-medium);
}

.timeline {
    position: relative;
    padding-left: 2.5rem;
}
.timeline::before {
    content: '';
    position: absolute;
    left: 6px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--divider);
}

.timeline-item {
    position: relative;
    margin-bottom: 2rem;
    padding: 1.25rem;
    background: var(--beige-mid);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}
.timeline-item:nth-child(even) {
    background: var(--beige-light);
}
.timeline-item:last-child { margin-bottom: 0; }
.timeline-item::before {
    content: '';
    position: absolute;
    left: -2.45rem;
    top: 1.4rem;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--brown-medium);
    border: 3px solid var(--beige);
    box-shadow: 0 0 0 2px var(--brown-medium);
}

.timeline-year {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    background: var(--beige-tag);
    color: var(--brown-dark);
    padding: 0.2rem 0.6rem;
    border-radius: var(--radius-sm);
    margin-bottom: 0.5rem;
}
.timeline-degree {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--brown-dark);
    margin-bottom: 0.25rem;
}
.timeline-institution {
    font-style: italic;
    color: var(--brown-medium);
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}
.timeline-desc {
    color: var(--brown-dark);
    font-size: 0.92rem;
    opacity: 0.9;
}

.cert-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.cert-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.25rem;
    background: var(--beige-light);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition);
}
.cert-item:hover { transform: translateX(4px); }
.cert-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--beige-tag);
    color: var(--brown-medium);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1.1rem;
}
.cert-info { flex: 1; }
.cert-name {
    font-weight: 600;
    color: var(--brown-dark);
    margin-bottom: 0.15rem;
}
.cert-meta {
    font-size: 0.85rem;
    color: var(--brown-medium);
}
.cert-link {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--brown-medium);
    text-decoration: underline;
}

/* =========================================================================
   CONTACT
   ========================================================================= */
.contact {
    background: var(--beige-light);
}
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 3rem;
    margin-top: 2rem;
}
.contact-info-list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin-bottom: 2rem;
}
.contact-info-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--brown-dark);
}
.contact-info-icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--beige-mid);
    color: var(--brown-medium);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
    flex-shrink: 0;
}
.contact-info-item:hover .contact-info-icon {
    background: var(--brown-medium);
    color: var(--beige);
    transform: translateY(-2px);
}

.contact-socials-label {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--brown-medium);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 1rem;
}
.contact-socials {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}
.contact-socials a {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--beige-mid);
    color: var(--brown-medium);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
}
.contact-socials a:hover {
    background: var(--brown-medium);
    color: var(--beige);
    transform: translateY(-2px);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.field-label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--brown-dark);
    margin-bottom: 0.4rem;
    display: block;
}
.form-input, .form-textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--beige-mid);
    border: 1.5px solid var(--divider);
    border-radius: var(--radius-md);
    color: var(--brown-dark);
    transition: border-color var(--transition), background var(--transition);
    font-family: var(--font-sans);
    font-size: 0.95rem;
}
.form-input:focus, .form-textarea:focus {
    outline: none;
    border-color: var(--brown-medium);
}
.form-textarea {
    resize: vertical;
    min-height: 140px;
}
.form-error {
    color: var(--error-fg);
    font-size: 0.82rem;
    margin-top: 0.3rem;
}
.form-honeypot {
    position: absolute;
    left: -9999px;
    opacity: 0;
    pointer-events: none;
}

.form-alert {
    padding: 0.85rem 1rem;
    border-radius: var(--radius-md);
    font-size: 0.92rem;
    border: 1.5px solid;
}
.form-alert.success {
    background: var(--success-bg);
    color: var(--success-fg);
    border-color: var(--success-border);
}
.form-alert.error {
    background: var(--error-bg);
    color: var(--error-fg);
    border-color: var(--error-border);
}

/* =========================================================================
   FOOTER
   ========================================================================= */
.footer {
    background: var(--brown-darker);
    color: var(--beige);
    padding: 4rem 0 2rem;
}
.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
    margin-bottom: 2.5rem;
}
.footer-logo {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--beige);
    margin-bottom: 0.75rem;
}
.footer-tagline {
    color: rgba(238, 221, 208, 0.75);
    font-size: 0.9rem;
    max-width: 280px;
}
.footer-heading {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--beige);
    margin-bottom: 1rem;
}
.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.footer-links a {
    color: rgba(238, 221, 208, 0.75);
    font-size: 0.9rem;
    transition: color var(--transition);
}
.footer-links a:hover { color: var(--beige); }

.footer-socials {
    display: flex;
    gap: 0.6rem;
    flex-wrap: wrap;
}
.footer-socials a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(238, 221, 208, 0.08);
    color: var(--beige);
    border: 1px solid rgba(238, 221, 208, 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
}
.footer-socials a:hover {
    background: var(--brown-medium);
    border-color: var(--brown-medium);
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(238, 221, 208, 0.12);
    text-align: center;
    font-size: 0.85rem;
    color: rgba(238, 221, 208, 0.45);
}

/* =========================================================================
   ADMIN LAYOUT
   ========================================================================= */
body.admin-body {
    background: var(--beige-light);
}
.admin-shell {
    display: grid;
    grid-template-columns: 240px 1fr;
    min-height: 100vh;
}
.admin-sidebar {
    background: var(--brown-darker);
    color: var(--beige);
    padding: 1.5rem 0;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
}
.admin-sidebar-logo {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    font-weight: 700;
    padding: 0 1.5rem 1.5rem;
    border-bottom: 1px solid rgba(238, 221, 208, 0.12);
    color: var(--beige);
}
.admin-nav {
    display: flex;
    flex-direction: column;
    padding: 1rem 0;
}
.admin-nav a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.7rem 1.5rem;
    color: rgba(238, 221, 208, 0.75);
    font-size: 0.9rem;
    transition: all var(--transition);
    border-left: 3px solid transparent;
}
.admin-nav a:hover, .admin-nav a.is-active {
    background: rgba(238, 221, 208, 0.06);
    color: var(--beige);
    border-left-color: var(--brown-medium);
}
.admin-nav a i { width: 16px; text-align: center; }
.admin-nav .badge {
    margin-left: auto;
    background: var(--brown-medium);
    color: var(--beige);
    padding: 0.1rem 0.45rem;
    border-radius: var(--radius-pill);
    font-size: 0.7rem;
    font-family: var(--font-mono);
}

.admin-main {
    padding: 2rem;
    overflow-x: auto;
}
.admin-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2rem;
}
.admin-page-title {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    color: var(--brown-dark);
}
.admin-actions {
    display: flex;
    gap: 0.6rem;
}

.admin-card {
    background: var(--beige);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    margin-bottom: 1.5rem;
}
.admin-card-title {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: var(--brown-dark);
}

.admin-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}
.admin-stat {
    background: var(--beige);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    gap: 1rem;
}
.admin-stat-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: var(--beige-mid);
    color: var(--brown-medium);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}
.admin-stat-value {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--brown-dark);
    line-height: 1;
}
.admin-stat-label {
    font-size: 0.82rem;
    color: var(--brown-medium);
    margin-top: 0.3rem;
}

.admin-table {
    width: 100%;
    background: var(--beige);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border-collapse: collapse;
}
.admin-table th, .admin-table td {
    padding: 0.85rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--divider);
    font-size: 0.92rem;
}
.admin-table th {
    background: var(--beige-mid);
    font-weight: 600;
    color: var(--brown-dark);
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.admin-table tr:last-child td { border-bottom: none; }
.admin-table tr.is-unread { background: rgba(136, 110, 90, 0.06); font-weight: 600; }

.admin-table .drag-handle {
    cursor: grab;
    color: var(--brown-medium);
    padding: 0.2rem 0.5rem;
}
.admin-table .drag-handle:active { cursor: grabbing; }

.admin-row-actions {
    display: flex;
    gap: 0.4rem;
}
.btn-icon {
    width: 32px;
    height: 32px;
    padding: 0;
    border-radius: var(--radius-sm);
    background: var(--beige-mid);
    color: var(--brown-medium);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
}
.btn-icon:hover {
    background: var(--brown-medium);
    color: var(--beige);
}
.btn-icon.danger:hover {
    background: var(--error-fg);
}

.admin-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    max-width: 800px;
}
.admin-form .field-group {
    display: flex;
    flex-direction: column;
}
.admin-form .field-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}
.admin-form .field-hint {
    font-size: 0.82rem;
    color: var(--brown-medium);
    margin-top: 0.3rem;
}
.admin-form .form-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 1rem;
}

.flash {
    padding: 0.85rem 1rem;
    border-radius: var(--radius-md);
    margin-bottom: 1.5rem;
    font-size: 0.92rem;
    border: 1.5px solid;
}
.flash.success { background: var(--success-bg); color: var(--success-fg); border-color: var(--success-border); }
.flash.error { background: var(--error-bg); color: var(--error-fg); border-color: var(--error-border); }

/* Login page */
.login-shell {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--beige) 0%, var(--beige-light) 100%);
    padding: 2rem;
}
.login-card {
    background: var(--beige);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    max-width: 420px;
    width: 100%;
}
.login-logo {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--brown-medium);
    text-align: center;
    margin-bottom: 0.4rem;
}
.login-subtitle {
    text-align: center;
    color: var(--brown-medium);
    font-size: 0.9rem;
    margin-bottom: 2rem;
}
.login-form .field-group { margin-bottom: 1rem; }

@media (max-width: 900px) {
    .admin-shell { grid-template-columns: 1fr; }
    .admin-sidebar { position: relative; height: auto; }
    .admin-main { padding: 1.25rem; }
    .admin-form .field-row { grid-template-columns: 1fr; }
}

/* =========================================================================
   Image gallery uploader (admin)
   ========================================================================= */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 0.75rem;
    margin-top: 0.5rem;
}
.gallery-item {
    position: relative;
    aspect-ratio: 1 / 1;
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: var(--beige-mid);
}
.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.gallery-item .remove-btn {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: rgba(68, 55, 45, 0.85);
    color: var(--beige);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
}

/* =========================================================================
   Error pages
   ========================================================================= */
.error-shell {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--beige) 0%, var(--beige-light) 100%);
    padding: 2rem;
    text-align: center;
}
.error-code {
    font-family: var(--font-serif);
    font-size: clamp(5rem, 18vw, 9rem);
    color: var(--brown-medium);
    line-height: 1;
    letter-spacing: -0.03em;
}
.error-message {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    color: var(--brown-dark);
    margin: 1rem 0 0.5rem;
}
.error-sub {
    color: var(--brown-medium);
    margin-bottom: 2rem;
}

/* =========================================================================
   Utilities
   ========================================================================= */
.text-center { text-align: center; }
.muted { color: var(--brown-medium); }
.hidden-mobile { display: initial; }
.visible-mobile { display: none; }
@media (max-width: 768px) {
    .hidden-mobile { display: none; }
    .visible-mobile { display: initial; }
}