/* ============================================================
   PORTFOLIO — MUHAMMAD BAIHAQI DAWANIS
   THEME: AUTHENTIC APPLE MONOCHROME & SILVER (LIGHT CANVAS)
   Palette:
   • #FFFFFF / #F5F5F7 (Apple Crisp Light Canvas)
   • #FFFFFF (Apple Pure White Card Surfaces)
   • #E8E8ED / #E5E5EA (Apple Subtle Border & Pill Tint)
   • #86868B / #6E6E73 (Apple Neutral Gray Subtitles & Body)
   • #1D1D1F / #000000 (Apple Signature Deep Black Typography & Buttons)
   • Silver / Metallic Accents & Gradients
   ============================================================ */

/* === GOOGLE FONTS === */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Space+Mono:wght@400;700&display=swap');

/* === CSS DESIGN TOKENS === */
:root {
    --bg-canvas: #F5F5F7;
    --bg-surface: #FFFFFF;
    --bg-card: #FFFFFF;
    --bg-card-subtle: #FBFBFD;
    --bg-pill: #E8E8ED;
    --bg-pill-hover: #DCDCE2;

    --text-primary: #1D1D1F;
    --text-secondary: #6E6E73;
    --text-muted: #86868B;

    --accent-black: #000000;
    --accent-dark: #1D1D1F;
    --accent-silver: #A1A1A6;

    --border-subtle: rgba(0, 0, 0, 0.08);
    --border-medium: rgba(0, 0, 0, 0.14);
    --border-hover: rgba(0, 0, 0, 0.28);

    --font-display: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Inter', sans-serif;
    --font-body: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Inter', sans-serif;
    --font-mono: SFMono-Regular, Menlo, Monaco, Consolas, 'Space Mono', monospace;

    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-pill: 980px;

    --shadow-subtle: 0 4px 20px rgba(0, 0, 0, 0.04);
    --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.06);
    --shadow-hover: 0 18px 45px rgba(0, 0, 0, 0.1);

    --transition-fast: 0.16s ease;
    --transition-smooth: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* === RESET & BASE === */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    background-color: var(--bg-canvas);
    color-scheme: light;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-canvas);
    color: var(--text-primary);
    line-height: 1.65;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* === TYPOGRAPHY & GRADIENTS === */
.text-gradient {
    background: linear-gradient(180deg, #1D1D1F 0%, #6E6E73 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-gradient-fire {
    background: linear-gradient(135deg, #1D1D1F 0%, #434344 60%, #86868B 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-gradient-subtle,
.text-gradient-blue {
    background: linear-gradient(180deg, #1D1D1F 0%, #515154 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* === SECTION STRUCTURE === */
section {
    padding: 120px 8%;
    position: relative;
    max-width: 1240px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.section-eyebrow {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: -0.01em;
    margin-bottom: 12px;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2.4rem, 5vw, 3.8rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.035em;
    color: var(--text-primary);
}

/* === EXPERIENCE SUB-CATEGORY DIVIDER === */
.exp-category-divider {
    display: flex;
    align-items: center;
    gap: 14px;
    margin: 48px 0 24px;
}

.exp-category-divider i {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.exp-category-divider span {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: -0.01em;
    white-space: nowrap;
}

.exp-category-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-subtle);
}

.section-subtitle {
    margin-top: 14px;
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.6;
    letter-spacing: -0.01em;
}

/* === APPLE WHITE/SLATE CARDS === */
.glass-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), border-color var(--transition-smooth);
}

.glass-card:hover {
    border-color: var(--border-medium);
    box-shadow: var(--shadow-hover);
}

/* === SCROLL REVEAL === */
.reveal-item {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-item.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   NAVIGATION (Apple Sleek Frosted Top Bar)
   ============================================ */
#header {
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1000;
    padding: 0 8%;
    background: rgba(245, 245, 247, 0.8);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--border-subtle);
    transition: background var(--transition-smooth);
}

#header.scrolled {
    background: rgba(255, 255, 255, 0.92);
    border-bottom: 1px solid var(--border-medium);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
}

nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 52px;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-logo {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
    gap: 2px;
}

.nav-logo span {
    color: var(--text-secondary);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.82rem;
    font-weight: 500;
    letter-spacing: -0.01em;
    transition: color var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
    color: var(--text-primary);
}

.nav-cv-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 14px;
    background: var(--text-primary);
    border: none;
    border-radius: var(--radius-pill);
    color: #FFFFFF;
    text-decoration: none;
    font-size: 0.76rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    transition: background var(--transition-fast), transform var(--transition-fast);
}

.nav-cv-btn:hover {
    background: #333336;
    transform: scale(1.02);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
}

.hamburger span {
    display: block;
    width: 20px;
    height: 1.5px;
    background: var(--text-primary);
    border-radius: 2px;
}

/* ============================================
   HERO SECTION (Apple Split Balance Layout)
   ============================================ */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 110px;
    padding-bottom: 80px;
    max-width: 1240px;
    margin: 0 auto;
}

.hero-split-layout {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 60px;
    align-items: center;
    width: 100%;
}

.hero-content-left {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
}

.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: #FFFFFF;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-pill);
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 24px;
    letter-spacing: -0.01em;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
}

.hero-eyebrow-dot {
    width: 6px;
    height: 6px;
    background: #86868B;
    border-radius: 50%;
}

.hero-name {
    font-family: var(--font-display);
    font-size: clamp(2.8rem, 5.5vw, 4.8rem);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.04em;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.hero-name-highlight {
    color: #000000;
}

.hero-punchline {
    font-family: var(--font-display);
    font-size: clamp(1.4rem, 2.6vw, 2.2rem);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.025em;
    margin-bottom: 20px;
}

.hero-bio {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 580px;
    line-height: 1.65;
    margin-bottom: 32px;
    letter-spacing: -0.01em;
}

.hero-bio strong {
    color: var(--text-primary);
    font-weight: 600;
}

.hero-cta-group {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 44px;
    flex-wrap: wrap;
}

.btn-apple-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 26px;
    background: var(--text-primary);
    color: #FFFFFF;
    text-decoration: none;
    border-radius: var(--radius-pill);
    font-weight: 600;
    font-size: 0.9rem;
    letter-spacing: -0.01em;
    transition: background var(--transition-fast), transform var(--transition-fast);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
}

.btn-apple-primary:hover {
    background: #333336;
    transform: scale(1.02);
}

.btn-apple-secondary {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 12px 22px;
    background: #FFFFFF;
    border: 1px solid var(--border-medium);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: var(--radius-pill);
    font-weight: 600;
    font-size: 0.9rem;
    letter-spacing: -0.01em;
    transition: background var(--transition-fast), border-color var(--transition-fast);
}

.btn-apple-secondary:hover {
    background: #F5F5F7;
    border-color: var(--border-hover);
}

/* Key Specs Strip */
.hero-specs-strip {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 18px 26px;
    background: #FFFFFF;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-subtle);
    width: 100%;
    max-width: 580px;
}

.spec-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.spec-num {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.03em;
    line-height: 1;
}

.spec-label {
    font-size: 0.72rem;
    color: var(--text-secondary);
    letter-spacing: -0.01em;
}

.spec-divider {
    width: 1px;
    height: 32px;
    background: var(--border-subtle);
}

/* Right Column: Apple Vertical Feature Card */
.hero-content-right {
    display: flex;
    justify-content: center;
    align-items: center;
}

.apple-hero-card {
    position: relative;
    width: 100%;
    max-width: 400px;
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: #FFFFFF;
    border: 1px solid var(--border-medium);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
    transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
}

.apple-hero-card:hover {
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
}

.hero-card-img-wrap {
    width: 100%;
    aspect-ratio: 4/4.8;
    overflow: hidden;
    background: #E8E8ED;
}

.hero-card-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    filter: contrast(102%) brightness(100%);
    transition: transform var(--transition-smooth);
}

.apple-hero-card:hover .hero-card-img {
    transform: scale(1.02);
}

.hero-card-floating-badge {
    position: absolute;
    bottom: 16px;
    left: 16px;
    right: 16px;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: var(--radius-md);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
    display: flex;
    align-items: center;
    gap: 12px;
}

.badge-icon-box {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    background: var(--bg-pill);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.badge-text-box {
    display: flex;
    flex-direction: column;
}

.badge-role-title {
    font-family: var(--font-display);
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.badge-role-sub {
    font-size: 0.72rem;
    color: var(--text-secondary);
}

/* ============================================
   ABOUT & SPECIALIZATION (Bento Cards)
   ============================================ */
.about-bento-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.bento-card {
    padding: 34px;
    display: flex;
    flex-direction: column;
    background: #FFFFFF;
}

.bento-icon {
    width: 42px;
    height: 42px;
    border-radius: var(--radius-sm);
    background: var(--bg-pill);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    margin-bottom: 20px;
}

.bento-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
    letter-spacing: -0.02em;
}

.bento-desc {
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
    flex: 1;
}

.bento-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: auto;
}

.bento-tag {
    padding: 4px 12px;
    background: var(--bg-pill);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-pill);
    font-size: 0.74rem;
    color: var(--text-primary);
    font-weight: 500;
}

/* ============================================
   EXPERIENCE SECTION (Clean Apple Timeline)
   ============================================ */
.experience-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
    max-width: 900px;
    margin: 0 auto;
}

.exp-card {
    padding: 34px;
    background: #FFFFFF;
}

.exp-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 18px;
    flex-wrap: wrap;
}

.exp-header-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.exp-logo {
    width: 48px;
    height: 48px;
    object-fit: contain;
    background: #FFFFFF;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    padding: 4px;
    flex-shrink: 0;
}

.exp-logo-fallback {
    width: 48px;
    height: 48px;
    background: var(--bg-pill);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: var(--text-primary);
    flex-shrink: 0;
}

.exp-role {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    line-height: 1.3;
}

.exp-company {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 2px;
}

.exp-date {
    font-size: 0.78rem;
    color: var(--text-secondary);
    font-weight: 600;
    white-space: nowrap;
    padding: 4px 12px;
    background: var(--bg-pill);
    border-radius: var(--radius-pill);
    border: 1px solid var(--border-subtle);
}

.exp-bullets {
    list-style: none;
    margin-bottom: 20px;
}

.exp-bullets li {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.65;
    margin-bottom: 10px;
    padding-left: 18px;
    position: relative;
}

.exp-bullets li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--text-primary);
    font-size: 1.1rem;
    top: -2px;
}

.exp-bullets li strong {
    color: var(--text-primary);
    font-weight: 600;
}

.exp-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.exp-tag {
    padding: 3px 10px;
    background: var(--bg-pill);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-pill);
    font-size: 0.72rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* ============================================
   PROJECTS SECTION (Bento Engineering Grid)
   ============================================ */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.project-card {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: #FFFFFF;
}

.featured-project-card {
    grid-column: span 2;
}

.project-card-header {
    padding: 24px 28px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.project-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.74rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.project-badge i {
    font-size: 0.85rem;
    line-height: 1;
}

.project-year {
    font-size: 0.74rem;
    color: var(--text-muted);
}

.project-img-wrapper {
    width: 100%;
    aspect-ratio: 16/9;
    overflow: hidden;
    background: #E8E8ED;
    margin-top: 16px;
}

.project-thumbnail {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-smooth);
}

.project-card:hover .project-thumbnail {
    transform: scale(1.03);
}

.project-content {
    padding: 24px 28px 28px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.project-title {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
    letter-spacing: -0.02em;
    line-height: 1.35;
}

.project-desc {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.65;
    margin-bottom: 20px;
    flex: 1;
}

.project-desc strong {
    color: var(--text-primary);
    font-weight: 600;
}

.project-tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: auto;
}

.project-tech-tag {
    padding: 3px 10px;
    background: var(--bg-pill);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-pill);
    font-size: 0.7rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* ============================================
   COMPETITIONS SECTION
   ============================================ */
.competition-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    max-width: 1000px;
    margin: 0 auto;
}

.comp-box {
    padding: 26px 30px;
    display: flex;
    align-items: flex-start;
    gap: 16px;
    background: #FFFFFF;
}

.comp-icon {
    font-size: 1.3rem;
    color: var(--text-primary);
    flex-shrink: 0;
    padding-top: 2px;
}

.comp-details h3 {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    margin-bottom: 4px;
}

.comp-details p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.55;
}

.comp-details strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* ============================================
   EDUCATION SECTION
   ============================================ */
.education-box {
    padding: 36px 44px;
    max-width: 860px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    flex-wrap: wrap;
    background: #FFFFFF;
}

.edu-left {
    display: flex;
    align-items: center;
    gap: 20px;
}

.edu-logo {
    width: 60px;
    height: 60px;
    object-fit: contain;
    border-radius: var(--radius-sm);
    background: #FFFFFF;
    border: 1px solid var(--border-subtle);
    padding: 6px;
}

.edu-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    margin-bottom: 4px;
}

.edu-sub {
    font-size: 0.92rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.edu-date {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.edu-stat-box {
    text-align: center;
}

.edu-stat-val {
    font-family: var(--font-display);
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.04em;
    line-height: 1;
}

.edu-stat-lbl {
    font-size: 0.76rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* ============================================
   FOOTER (Apple Minimalist End Section)
   ============================================ */
footer {
    border-top: 1px solid var(--border-subtle);
    padding: 80px 8% 40px;
    background: #FFFFFF;
}

.footer-inner {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.footer-heading {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.footer-sub {
    font-size: 1rem;
    color: var(--text-secondary);
    max-width: 480px;
    margin-bottom: 32px;
}

.footer-contact-links {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
    flex-wrap: wrap;
    justify-content: center;
}

.footer-contact-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    background: var(--bg-pill);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-pill);
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    transition: background var(--transition-fast), border-color var(--transition-fast);
}

.footer-contact-link:hover {
    background: var(--bg-pill-hover);
    border-color: var(--border-medium);
}

.footer-contact-link i {
    color: var(--text-primary);
}

.footer-bottom-row {
    width: 100%;
    padding-top: 24px;
    border-top: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.78rem;
    color: var(--text-muted);
}

.footer-social-links {
    display: flex;
    gap: 16px;
}

.footer-social-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color var(--transition-fast);
}

.footer-social-links a:hover {
    color: var(--text-primary);
}

/* ============================================
   CHATBOT WIDGET (Apple Assistant Modal)
   ============================================ */
.chatbot-container {
    position: fixed;
    bottom: 28px;
    right: 28px;
    z-index: 9000;
}

.chatbot-trigger {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--text-primary);
    border: 1px solid rgba(0, 0, 0, 0.1);
    color: #FFFFFF;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    transition: transform var(--transition-fast), background var(--transition-fast);
}

.chatbot-trigger:hover {
    background: #333336;
    transform: scale(1.05);
}

.chatbot-window {
    position: fixed;
    bottom: 90px;
    right: 28px;
    width: 360px;
    background: #FFFFFF;
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-xl);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transform: scale(0.9) translateY(20px);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition-smooth), opacity var(--transition-smooth);
    transform-origin: bottom right;
    max-height: 500px;
}

.chatbot-window.open {
    transform: scale(1) translateY(0);
    opacity: 1;
    pointer-events: all;
}

.chatbot-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 18px;
    background: #F5F5F7;
    border-bottom: 1px solid var(--border-subtle);
}

.chatbot-header-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.chatbot-name {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-primary);
}

.chatbot-status {
    font-size: 0.72rem;
    color: #30d158;
}

.chatbot-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 0.9rem;
    cursor: pointer;
}

.chatbot-messages {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    min-height: 260px;
    max-height: 320px;
    background: #FFFFFF;
}

.chat-message {
    max-width: 85%;
    padding: 10px 14px;
    border-radius: 16px;
    font-size: 0.84rem;
    line-height: 1.5;
}

.bot-message {
    background: #F5F5F7;
    color: var(--text-primary);
    align-self: flex-start;
    border-bottom-left-radius: 4px;
}

.user-message {
    background: var(--text-primary);
    color: #FFFFFF;
    align-self: flex-end;
    border-bottom-right-radius: 4px;
}

.chatbot-input-area {
    display: flex;
    gap: 8px;
    padding: 12px 16px;
    border-top: 1px solid var(--border-subtle);
    background: #F5F5F7;
}

#chatbot-input {
    flex: 1;
    background: #FFFFFF;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-pill);
    padding: 8px 14px;
    color: var(--text-primary);
    font-size: 0.84rem;
    outline: none;
}

#chatbot-input:focus {
    border-color: var(--border-medium);
}

#chatbot-send {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--text-primary);
    border: none;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .hero-split-layout {
        grid-template-columns: 1fr;
        gap: 48px;
        text-align: center;
    }
    .hero-content-left {
        align-items: center;
        text-align: center;
    }
    .hero-bio {
        margin-left: auto;
        margin-right: auto;
    }
    .hero-cta-group {
        justify-content: center;
    }
    .hero-specs-strip {
        margin: 0 auto;
        justify-content: center;
    }
    .projects-grid {
        grid-template-columns: 1fr 1fr;
    }
    .featured-project-card {
        grid-column: span 2;
    }
    .about-bento-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    section { padding: 80px 5%; }
    #header { padding: 0 5%; }

    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 52px;
        left: 0;
        width: 100%;
        background: rgba(255, 255, 255, 0.98);
        padding: 20px 5%;
        border-bottom: 1px solid var(--border-subtle);
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
    }
    .nav-links.open { display: flex; }
    .nav-links li { padding: 10px 0; }
    .nav-cv-btn { display: none; }
    .hamburger { display: flex; }

    .hero-specs-strip {
        flex-direction: column;
        gap: 16px;
        padding: 20px;
    }
    .spec-divider {
        display: none;
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }
    .featured-project-card {
        grid-column: span 1;
    }

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

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

    .footer-bottom-row {
        flex-direction: column;
        gap: 14px;
        text-align: center;
    }

    .chatbot-window {
        width: calc(100vw - 32px);
        right: 16px;
        bottom: 80px;
    }
}