/* ===== Custom Properties ===== */
:root {
    --bg:            #07090f;
    --bg-alt:        #0b0f1a;
    --surface:       #0f1623;
    --surface-hover: #131d2e;
    --border:        rgba(59, 130, 246, 0.1);
    --border-hover:  rgba(59, 130, 246, 0.32);
    --accent:        #3b82f6;
    --accent-light:  #60a5fa;
    --accent-glow:   rgba(59, 130, 246, 0.15);
    --text:          #f0f4ff;
    --text-secondary:#8fa3bf;
    --text-muted:    #4a6080;
    --success:       #22c55e;
    --error:         #ef4444;
    --font:          'Inter', sans-serif;
    --radius:        12px;
    --radius-lg:     20px;
    --shadow:        0 4px 24px rgba(0, 0, 0, 0.45);
    --shadow-blue:   0 8px 32px rgba(59, 130, 246, 0.18);
    --nav-height:    68px;
    --ease:          cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font); background: var(--bg); color: var(--text); line-height: 1.7; overflow-x: hidden; }
img { max-width: 100%; display: block; }
a { color: var(--accent); text-decoration: none; transition: color 0.25s var(--ease); }
a:hover { color: var(--accent-light); }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: var(--font); }
input, select, textarea { font-family: var(--font); }

/* ===== Typography ===== */
h1 { font-size: clamp(2.6rem, 5.5vw, 4.2rem); font-weight: 800; line-height: 1.1; letter-spacing: -0.03em; }
h2 { font-size: clamp(1.8rem, 3vw, 2.6rem); font-weight: 700; line-height: 1.2; }
h3 { font-size: 1.05rem; font-weight: 700; line-height: 1.3; }
h4 { font-size: 0.78rem; font-weight: 700; }
p  { color: var(--text-secondary); line-height: 1.8; }
strong { color: var(--text); font-weight: 600; }

/* ===== Layout ===== */
.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.section { padding: 100px 0; }
.section-alt { background: var(--bg-alt); }

.section-header { text-align: center; margin-bottom: 64px; }
.section-label {
    display: block;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 14px;
}
.section-title { color: var(--text); margin-bottom: 14px; }
.section-subtitle { color: var(--text-secondary); max-width: 540px; margin: 0 auto; font-size: 0.95rem; }

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 26px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.25s var(--ease);
    cursor: pointer;
    white-space: nowrap;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover {
    background: var(--accent-light);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: var(--shadow-blue);
}
.btn-outline {
    border: 1.5px solid var(--border-hover);
    color: var(--text-secondary);
}
.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-2px);
}
.btn-sm { padding: 8px 16px; font-size: 0.82rem; }
.btn-full { width: 100%; justify-content: center; }
.btn:disabled { opacity: 0.6; cursor: not-allowed; transform: none !important; }

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

/* ===== Scroll Animations ===== */
.fade-in {
    opacity: 0;
    transform: translateY(22px);
    animation: fadeIn 0.9s var(--ease) forwards;
}
.fade-in-delay { animation-delay: 0.22s; }

.fade-up {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.65s var(--ease), transform 0.65s var(--ease);
}
.fade-up.visible { opacity: 1; transform: translateY(0); }
.fade-up-delay { transition-delay: 0.14s; }

@keyframes fadeIn {
    to { opacity: 1; transform: translateY(0); }
}

/* ===== Navigation ===== */
#navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    height: var(--nav-height);
    transition: background 0.3s var(--ease), box-shadow 0.3s var(--ease), backdrop-filter 0.3s var(--ease);
}
#navbar.scrolled {
    background: rgba(7, 9, 15, 0.85);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    box-shadow: 0 1px 0 var(--border);
}
.nav-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text);
    font-weight: 700;
    font-size: 0.95rem;
}
.logo-initials {
    width: 34px; height: 34px;
    border-radius: 8px;
    background: var(--accent);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 800;
    flex-shrink: 0;
}
.nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
    list-style: none;
}
.nav-links a {
    color: var(--text-secondary);
    font-size: 0.88rem;
    font-weight: 500;
    padding: 7px 13px;
    border-radius: 6px;
    transition: all 0.2s var(--ease);
}
.nav-links a:hover, .nav-links a.active { color: var(--text); background: var(--surface); }
.nav-links .nav-cta {
    background: var(--accent);
    color: #fff !important;
    margin-left: 8px;
}
.nav-links .nav-cta:hover { background: var(--accent-light); }

.nav-hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    border-radius: 6px;
}
.nav-hamburger span {
    display: block;
    width: 22px; height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: all 0.25s var(--ease);
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-mobile {
    display: none;
    flex-direction: column;
    background: var(--surface);
    border-top: 1px solid var(--border);
    padding: 8px 24px 20px;
}
.nav-mobile.open { display: flex; }
.nav-mobile a {
    color: var(--text-secondary);
    padding: 13px 0;
    font-size: 0.95rem;
    font-weight: 500;
    border-bottom: 1px solid var(--border);
    transition: color 0.2s;
}
.nav-mobile a:last-child { border-bottom: none; }
.nav-mobile a:hover, .nav-mobile .mobile-cta { color: var(--accent); }

/* ===== Hero ===== */
#hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding-top: var(--nav-height);
}
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(90px);
    opacity: 0.22;
}
.hero-orb-1 {
    width: 560px; height: 560px;
    background: radial-gradient(circle, #3b82f6, #1d4ed8, transparent 70%);
    top: -140px; right: -120px;
    animation: orb1 9s ease-in-out infinite alternate;
}
.hero-orb-2 {
    width: 380px; height: 380px;
    background: radial-gradient(circle, #1e40af, transparent 70%);
    bottom: -60px; left: -100px;
    animation: orb2 11s ease-in-out infinite alternate;
}
.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--border) 1px, transparent 1px),
        linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: radial-gradient(ellipse 80% 80% at center, black 20%, transparent 75%);
}
@keyframes orb1 { from { transform: translate(0,0) scale(1); } to { transform: translate(50px, 35px) scale(1.12); } }
@keyframes orb2 { from { transform: translate(0,0) scale(1); } to { transform: translate(-35px, 45px) scale(1.06); } }

.hero-content {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 56px;
    align-items: center;
    width: 100%;
    position: relative;
    z-index: 1;
    padding: 60px 24px;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--surface);
    border: 1px solid var(--border-hover);
    color: var(--text-secondary);
    font-size: 0.78rem;
    font-weight: 600;
    padding: 6px 14px;
    border-radius: 100px;
    margin-bottom: 22px;
}
.hero-badge .fa-circle-check { color: var(--success); }

.hero-text h1 { color: var(--text); margin-bottom: 12px; }
.hero-text h2 {
    font-size: clamp(1rem, 2vw, 1.3rem);
    color: var(--text-secondary);
    font-weight: 400;
    margin-bottom: 20px;
    line-height: 1.6;
}
.hero-tagline {
    font-size: 1.05rem;
    color: var(--text-secondary);
    margin-bottom: 36px;
    max-width: 500px;
}
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 44px; }
.hero-stats {
    display: flex;
    gap: 36px;
    padding-top: 28px;
    border-top: 1px solid var(--border);
}
.hero-stat { display: flex; flex-direction: column; }
.stat-number {
    font-size: 1.55rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
}
.stat-label { font-size: 0.72rem; color: var(--text-muted); margin-top: 4px; }

/* Photo */
.hero-photo { display: flex; align-items: center; justify-content: center; }
.photo-frame { position: relative; width: 272px; height: 272px; }
.photo-placeholder {
    width: 100%; height: 100%;
    border-radius: 50%;
    background: var(--surface);
    border: 1.5px solid var(--border-hover);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3.8rem;
    font-weight: 800;
    color: var(--accent);
    letter-spacing: -2px;
    position: relative;
    z-index: 1;
    overflow: hidden;
}
.photo-placeholder img {
    width: 100%; height: 100%;
    object-fit: cover;
    border-radius: 50%;
}
.photo-ring {
    position: absolute;
    inset: -5px;
    border-radius: 50%;
    border: 1.5px solid transparent;
    background: conic-gradient(var(--accent) 0deg, transparent 120deg, var(--accent) 240deg, transparent 360deg) border-box;
    -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: destination-out;
    mask-composite: exclude;
    animation: spin 8s linear infinite;
}
.photo-glow {
    position: absolute;
    inset: -24px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(59,130,246,0.18), transparent 65%);
    z-index: 0;
}
@keyframes spin { to { transform: rotate(360deg); } }

.hero-scroll-indicator {
    position: absolute;
    bottom: 28px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--text-muted);
    font-size: 0.9rem;
    animation: bounce 2.2s ease-in-out infinite;
}
@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(9px); }
}

/* ===== About ===== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}
.about-text p { margin-bottom: 18px; }
.about-actions { display: flex; gap: 14px; margin-top: 32px; flex-wrap: wrap; }

.about-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.stat-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px 22px;
    text-align: center;
    transition: all 0.28s var(--ease);
}
.stat-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-blue);
}
.stat-card-number { display: block; font-size: 2.3rem; font-weight: 800; color: var(--accent); line-height: 1; }
.stat-card-label { display: block; font-size: 0.8rem; color: var(--text-secondary); margin-top: 8px; line-height: 1.4; }

/* ===== Services ===== */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.service-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 30px 26px;
    transition: all 0.28s var(--ease);
}
.service-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-blue);
}
.service-icon {
    width: 46px; height: 46px;
    border-radius: 10px;
    background: var(--accent-glow);
    border: 1px solid var(--border-hover);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    color: var(--accent);
    margin-bottom: 18px;
}
.service-card h3 { color: var(--text); margin-bottom: 14px; font-size: 0.95rem; }
.service-card ul li {
    color: var(--text-secondary);
    font-size: 0.85rem;
    padding: 4px 0 4px 15px;
    position: relative;
}
.service-card ul li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-size: 0.72rem;
    top: 6px;
}

/* ===== Tech Stack ===== */
.tech-categories { display: flex; flex-direction: column; gap: 30px; }
.tech-category h4 {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.13em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 12px;
}
.tech-badges { display: flex; flex-wrap: wrap; gap: 8px; }
.tech-badge {
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-weight: 500;
    padding: 6px 14px;
    border-radius: 6px;
    transition: all 0.2s var(--ease);
    cursor: default;
}
.tech-badge:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-glow);
}

/* ===== Projects ===== */
.projects-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.project-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.3s var(--ease);
    display: flex;
    flex-direction: column;
}
.project-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-5px);
    box-shadow: var(--shadow-blue);
}
.project-image {
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--bg);
    flex-shrink: 0;
}
.project-image img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 0.5s var(--ease);
}
.project-card:hover .project-image img { transform: scale(1.05); }
.project-image-contain img { object-fit: contain; padding: 20px; background: #080c17; }
.project-image-code {
    aspect-ratio: 16 / 9;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #0d1117;
    flex-shrink: 0;
}
.code-placeholder {
    font-family: 'Courier New', 'Consolas', monospace;
    font-size: 0.83rem;
    line-height: 1.85;
    padding: 24px 28px;
    width: 100%;
    user-select: none;
}
.code-keyword { color: #ff79c6; }
.code-class   { color: #8be9fd; }
.code-fn      { color: #50fa7b; }
.code-comment { color: #6272a4; }
.code-green   { color: #50fa7b; }

.project-body { padding: 22px 24px 24px; flex: 1; display: flex; flex-direction: column; }
.project-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
    flex-wrap: wrap;
    gap: 6px;
}
.project-badge {
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 3px 9px;
    border-radius: 4px;
}
.badge-featured { background: rgba(234,179,8,0.13); color: #eab308; border: 1px solid rgba(234,179,8,0.28); }
.badge-live     { background: rgba(34,197,94,0.13);  color: #22c55e; border: 1px solid rgba(34,197,94,0.28); }
.badge-strategy { background: rgba(168,85,247,0.13); color: #a855f7; border: 1px solid rgba(168,85,247,0.28); }
.badge-progress { background: rgba(251,146,60,0.13); color: #fb923c; border: 1px solid rgba(251,146,60,0.28); }

.project-role { font-size: 0.75rem; color: var(--text-muted); }
.project-card h3 { color: var(--text); font-size: 1.12rem; margin-bottom: 4px; }
.project-tagline { font-size: 0.82rem; color: var(--accent); font-weight: 500; margin-bottom: 12px; }
.project-desc {
    font-size: 0.86rem;
    color: var(--text-secondary);
    line-height: 1.72;
    margin-bottom: 16px;
    flex: 1;
}
.project-tech { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }
.project-tech span {
    font-size: 0.72rem;
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text-muted);
    padding: 3px 9px;
    border-radius: 4px;
}
.project-actions { margin-top: auto; padding-top: 6px; }

/* ===== Experience ===== */
.timeline { position: relative; padding-left: 36px; }
.timeline::before {
    content: '';
    position: absolute;
    left: 4px; top: 8px; bottom: 8px;
    width: 1px;
    background: linear-gradient(to bottom, var(--accent) 0%, var(--border) 60%, transparent 100%);
}
.timeline-item { position: relative; margin-bottom: 44px; }
.timeline-item:last-child { margin-bottom: 0; }
.timeline-dot {
    position: absolute;
    left: -39px; top: 8px;
    width: 10px; height: 10px;
    border-radius: 50%;
    background: var(--accent);
    border: 2px solid var(--bg);
    box-shadow: 0 0 0 4px var(--accent-glow);
}
.timeline-content {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 26px 28px;
    transition: border-color 0.25s var(--ease);
}
.timeline-item:hover .timeline-content { border-color: var(--border-hover); }
.timeline-period {
    font-size: 0.75rem;
    color: var(--accent);
    font-weight: 600;
    letter-spacing: 0.05em;
    margin-bottom: 6px;
}
.timeline-content h3 {
    color: var(--text);
    font-size: 1rem;
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}
.badge-inline {
    font-size: 0.68rem;
    background: var(--accent-glow);
    border: 1px solid var(--border-hover);
    color: var(--accent);
    padding: 2px 8px;
    border-radius: 4px;
    font-weight: 600;
    letter-spacing: 0.03em;
}
.timeline-org { font-size: 0.83rem; color: var(--text-secondary); margin-bottom: 14px; font-weight: 500; }
.timeline-content ul li {
    font-size: 0.85rem;
    color: var(--text-secondary);
    padding: 3px 0 3px 16px;
    position: relative;
}
.timeline-content ul li::before {
    content: '·';
    position: absolute;
    left: 4px;
    color: var(--accent);
    font-size: 1.4rem;
    line-height: 1.35;
}

/* ===== Publications ===== */
.publications-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.publication-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 28px;
    transition: all 0.28s var(--ease);
}
.publication-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-blue);
}
.pub-icon { font-size: 1.4rem; color: var(--accent); margin-bottom: 16px; }
.pub-journal {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--accent);
    margin-bottom: 10px;
}
.publication-card h3 {
    color: var(--text);
    font-size: 0.93rem;
    line-height: 1.55;
    margin-bottom: 12px;
    font-weight: 600;
}
.pub-authors { font-size: 0.8rem; color: var(--text-secondary); margin-bottom: 6px; }
.pub-details { font-size: 0.75rem; color: var(--text-muted); }

/* ===== Social Proof ===== */
.upwork-stats {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
    margin-bottom: 48px;
}
.upwork-stat {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px 16px;
    text-align: center;
    transition: all 0.25s var(--ease);
}
.upwork-stat:hover { border-color: var(--border-hover); transform: translateY(-3px); }
.upwork-number { display: block; font-size: 1.75rem; font-weight: 800; color: var(--accent); }
.upwork-label { display: block; font-size: 0.72rem; color: var(--text-secondary); margin-top: 6px; line-height: 1.4; }

.testimonials-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin-bottom: 40px; }
.testimonial-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    transition: border-color 0.25s var(--ease);
}
.testimonial-card:hover { border-color: var(--border-hover); }
.testimonial-quote { font-size: 1.4rem; color: var(--accent); opacity: 0.35; margin-bottom: 16px; }
.testimonial-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.82;
    margin-bottom: 24px;
    font-style: italic;
}
.testimonial-author { display: flex; align-items: center; gap: 14px; }
.testimonial-avatar {
    width: 40px; height: 40px;
    border-radius: 50%;
    background: var(--accent-glow);
    border: 1px solid var(--border-hover);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--accent);
    flex-shrink: 0;
}
.testimonial-author strong { display: block; color: var(--text); font-size: 0.88rem; }
.testimonial-author span { font-size: 0.75rem; color: var(--text-muted); }
.upwork-cta { text-align: center; }

/* ===== Contact ===== */
.contact-grid { display: grid; grid-template-columns: 1fr 380px; gap: 60px; align-items: start; }

.form-group { margin-bottom: 18px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
label {
    display: block;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 7px;
    letter-spacing: 0.02em;
}
input, select, textarea {
    width: 100%;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-size: 0.9rem;
    padding: 11px 15px;
    transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
    outline: none;
}
input::placeholder, textarea::placeholder { color: var(--text-muted); }
input:focus, select:focus, textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}
select { appearance: none; cursor: pointer; }
select option { background: var(--surface); color: var(--text); }
textarea { resize: vertical; min-height: 138px; }

.form-status {
    margin-top: 14px;
    padding: 11px 15px;
    border-radius: 8px;
    font-size: 0.86rem;
    font-weight: 500;
    display: none;
}
.form-status.success {
    background: rgba(34,197,94,0.09);
    border: 1px solid rgba(34,197,94,0.28);
    color: #22c55e;
    display: block;
}
.form-status.error {
    background: rgba(239,68,68,0.09);
    border: 1px solid rgba(239,68,68,0.28);
    color: #ef4444;
    display: block;
}

.contact-info { display: flex; flex-direction: column; gap: 22px; padding-top: 6px; }
.contact-info-item { display: flex; align-items: flex-start; gap: 15px; }
.contact-icon {
    width: 40px; height: 40px;
    border-radius: 10px;
    background: var(--accent-glow);
    border: 1px solid var(--border-hover);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 0.95rem;
    flex-shrink: 0;
}
.contact-label {
    display: block;
    font-size: 0.68rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: 3px;
}
.contact-info-item a,
.contact-info-item span { font-size: 0.88rem; color: var(--text-secondary); }
.contact-info-item a:hover { color: var(--accent); }

.availability-badge {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(34,197,94,0.07);
    border: 1px solid rgba(34,197,94,0.2);
    border-radius: 8px;
    padding: 13px 17px;
    margin-top: 10px;
    color: #22c55e;
    font-size: 0.85rem;
    font-weight: 600;
}
.avail-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: #22c55e;
    flex-shrink: 0;
    animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
    0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(34,197,94,0.4); }
    50%       { opacity: 0.7; box-shadow: 0 0 0 5px rgba(34,197,94,0); }
}

/* ===== Footer ===== */
footer {
    background: var(--bg);
    border-top: 1px solid var(--border);
    padding: 30px 0;
}
.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}
.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    color: var(--text);
    font-size: 0.92rem;
}
.footer-copy { font-size: 0.8rem; color: var(--text-muted); }
.footer-links { display: flex; gap: 16px; }
.footer-links a {
    color: var(--text-muted);
    font-size: 1.05rem;
    transition: color 0.2s var(--ease);
}
.footer-links a:hover { color: var(--accent); }

/* ===== Responsive ===== */
@media (max-width: 960px) {
    .hero-content { grid-template-columns: 1fr; text-align: center; gap: 40px; padding: 40px 24px 60px; }
    .hero-photo { order: -1; }
    .photo-frame { width: 210px; height: 210px; }
    .hero-ctas { justify-content: center; }
    .hero-stats { justify-content: center; }
    .hero-tagline { margin-left: auto; margin-right: auto; }
    .about-grid { grid-template-columns: 1fr; gap: 44px; }
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .contact-grid { grid-template-columns: 1fr; gap: 44px; }
    .contact-info { flex-direction: row; flex-wrap: wrap; gap: 20px; }
    .contact-info-item { flex: 1 1 200px; }
    .availability-badge { flex: 1 1 100%; }
}

@media (max-width: 768px) {
    .section { padding: 72px 0; }
    .nav-links { display: none; }
    .nav-hamburger { display: flex; }
    .projects-grid { grid-template-columns: 1fr; }
    .publications-grid { grid-template-columns: 1fr; }
    .testimonials-grid { grid-template-columns: 1fr; }
    .upwork-stats { grid-template-columns: repeat(3, 1fr); }
    .form-row { grid-template-columns: 1fr; }
    .about-stats { grid-template-columns: 1fr 1fr; }
    .footer-inner { flex-direction: column; text-align: center; gap: 14px; }
}

@media (max-width: 520px) {
    .services-grid { grid-template-columns: 1fr; }
    .upwork-stats { grid-template-columns: repeat(2, 1fr); }
    .hero-stats { flex-wrap: wrap; gap: 20px; justify-content: center; }
    .timeline { padding-left: 22px; }
    .timeline-dot { left: -25px; }
    .timeline-content { padding: 20px; }
    .about-stats { grid-template-columns: 1fr 1fr; }
}