:root {
    --color-primary: #05070A;
    --color-secondary: #0D1117;
    --color-accent-gold: #D4AF37;
    --color-light: #FFFFFF;
    --color-text-primary: #E8E9EB;
    --color-text-secondary: #A8AAAF;
    --font-header: 'Playfair Display', serif;
    --font-body: 'Montserrat', sans-serif;
    --transition-smooth: cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

body {
    padding-top: 0;
}

/* Custom Cursor */
@media (hover: hover) and (pointer: fine) { * { cursor: none; } }

.cursor-dot {
    position: fixed;
    width: 10px; height: 10px;
    background: var(--color-accent-gold);
    border-radius: 50%;
    pointer-events: none;
    z-index: 10000;
    display: none;
    transition: width 0.2s ease, height 0.2s ease, background 0.2s ease;
    box-shadow: 0 0 10px rgba(212, 175, 55, 0.5);
    transform: translate(-50%, -50%);
}
.cursor-dot.active { display: block; }
.cursor-dot.hovering {
    width: 40px; height: 40px;
    background: rgba(212, 175, 55, 0.15);
    border: 2px solid var(--color-accent-gold);
    box-shadow: 0 0 20px rgba(212, 175, 55, 0.3);
}

/* Scrollbar */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--color-secondary); }
::-webkit-scrollbar-thumb {
    background: var(--color-accent-gold);
    border-radius: 10px;
    box-shadow: inset 0 0 6px rgba(212, 175, 55, 0.3);
}

/* ── Navbar ───────────────────────────────────────────────────────────── */
nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    padding: 0 40px;
    height: 68px;
    display: flex;
    align-items: center;
    background: rgba(5, 7, 10, 0.82);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
    transition: height 0.3s ease, background 0.3s ease, box-shadow 0.3s ease;
}
nav.nav-scrolled {
    height: 56px;
    background: rgba(5, 7, 10, 0.96);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
    border-bottom-color: rgba(212, 175, 55, 0.12);
}
.nav-inner {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.nav-logo {
    font-family: var(--font-header);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-text-primary) !important;
    text-decoration: none !important;
    letter-spacing: 0.5px;
    flex-shrink: 0;
    transition: opacity 0.2s ease;
}
.nav-logo span { color: var(--color-accent-gold); }
.nav-logo::after { display: none !important; }
.nav-logo:hover { opacity: 0.8; color: var(--color-text-primary) !important; }
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
    z-index: 1001;
}
.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--color-text-primary);
    border-radius: 2px;
    transition: all 0.3s ease;
    transform-origin: center;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.nav-links {
    display: flex;
    align-items: center;
    gap: 28px;
}
nav a {
    color: var(--color-text-primary);
    text-decoration: none;
    font-size: 13.5px;
    font-weight: 500;
    letter-spacing: 0.4px;
    transition: color 0.25s ease;
    position: relative;
}
nav a::after {
    content: '';
    position: absolute;
    bottom: -4px; left: 0;
    width: 0; height: 2px;
    background: var(--color-accent-gold);
    transition: width 0.25s ease;
    border-radius: 2px;
}
nav a:hover { color: var(--color-accent-gold); }
nav a:hover::after { width: 100%; }
.nav-link.active { color: var(--color-accent-gold); }
.nav-link.active::after { width: 100%; }
.nav-hire-btn {
    background: var(--color-accent-gold) !important;
    color: var(--color-primary) !important;
    padding: 7px 20px !important;
    border-radius: 50px !important;
    font-weight: 700 !important;
    font-size: 13px !important;
    letter-spacing: 0.5px !important;
    transition: all 0.2s ease !important;
    position: static !important;
}
.nav-hire-btn::after { display: none !important; }
.nav-hire-btn:hover {
    background: #F0D580 !important;
    color: var(--color-primary) !important;
    transform: translateY(-1px) !important;
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.4) !important;
}
section[id]:not(#hero) { scroll-margin-top: 72px; }

.journey-separator {
    display: inline-block;
    width: 18px;
    height: 2px;
    position: relative;
    margin: 0 6px;
    color: transparent;
}

.journey-separator::after {
    content: '';
    position: absolute;
    inset: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    height: 1px;
    background: rgba(212, 175, 55, 0.35);
    border-radius: 999px;
}

/* Hero gradient text — requires -webkit-background-clip */
.hero-title {
    font-family: var(--font-header);
    font-size: clamp(3rem, 8vw, 7rem);
    font-weight: 700; line-height: 1.2;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--color-light) 0%, var(--color-accent-gold) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Typewriter */
.typewriter-text {
    display: inline-block;
    min-height: 1.2em;
    border-right: 3px solid var(--color-accent-gold);
    animation: blink-caret 0.75s step-end infinite;
    font-family: var(--font-header);
    font-size: 2.5rem;
    color: var(--color-accent-gold);
}
@keyframes blink-caret {
    from, to { border-color: transparent; }
    50% { border-color: var(--color-accent-gold); }
}

/* CTA button shimmer via ::before */
.cta-button {
    display: inline-block;
    padding: 16px 50px;
    background: linear-gradient(135deg, var(--color-accent-gold), #F0D580);
    color: var(--color-primary);
    border: none; border-radius: 50px;
    font-weight: 600; font-size: 1rem; cursor: pointer;
    transition: all 0.3s var(--transition-smooth);
    text-decoration: none;
    position: relative; overflow: hidden;
    box-shadow: 0 10px 40px rgba(212, 175, 55, 0.3);
    letter-spacing: 1px;
}
.cta-button::before {
    content: '';
    position: absolute; top: 0; left: -100%;
    width: 100%; height: 100%;
    background: rgba(255, 255, 255, 0.3);
    transition: left 0.4s var(--transition-smooth);
}
.cta-button:hover { transform: translateY(-3px); box-shadow: 0 15px 50px rgba(212, 175, 55, 0.5); }
.cta-button:hover::before { left: 100%; }

/* Skill card child selectors + ::before */
.skill-card h3 {
    font-family: var(--font-header);
    font-size: 1.5rem; color: var(--color-accent-gold); margin-bottom: 15px;
}
.skill-card ul { list-style: none; }
.skill-card li {
    font-size: 0.95rem; color: var(--color-text-primary);
    margin-bottom: 8px; padding-left: 20px; position: relative;
}
.skill-card li::before { content: '▪'; position: absolute; left: 0; color: var(--color-accent-gold); }


/* Case study block — child selectors + ::before */
.case-study-block h5 {
    color: var(--color-accent-gold); font-size: 0.85rem; font-weight: 600;
    letter-spacing: 0.5px; margin-bottom: 10px; text-transform: uppercase;
}
.case-study-block h5 i { margin-right: 6px; }
.case-study-block p { font-size: 0.88rem; color: var(--color-text-secondary); line-height: 1.7; }
.case-study-block ul { list-style: none; padding: 0; }
.case-study-block li {
    font-size: 0.88rem; color: var(--color-text-secondary);
    padding-left: 16px; position: relative; margin-bottom: 6px; line-height: 1.6;
}
.case-study-block li::before { content: '▸'; position: absolute; left: 0; color: var(--color-accent-gold); }

/* Timeline — nth-child positioning */
.timeline-line {
    position: absolute; left: 50%; top: 0;
    width: 2px; height: 100%;
    background: linear-gradient(180deg, var(--color-accent-gold), transparent);
    transform: translateX(-50%); z-index: 1;
}
.timeline-item:nth-child(odd) .timeline-content { margin-left: 0; margin-right: 52%; text-align: right; }
.timeline-item:nth-child(even) .timeline-content { margin-left: 52%; margin-right: 0; text-align: left; }
.timeline-dot {
    position: absolute; left: 50%; top: 0;
    width: 20px; height: 20px;
    background: var(--color-accent-gold);
    border: 3px solid var(--color-primary);
    border-radius: 50%; transform: translateX(-50%); z-index: 3;
    box-shadow: 0 0 20px rgba(212, 175, 55, 0.4);
}
.timeline-content h4 { color: var(--color-accent-gold); font-size: 1rem; margin-bottom: 5px; }
.timeline-content p { color: var(--color-text-secondary); font-size: 0.95rem; }
.timeline-highlights li {
    font-size: 0.9rem; color: var(--color-text-secondary);
    padding-left: 18px; position: relative; margin-bottom: 6px; line-height: 1.6;
}
.timeline-highlights li::before { content: '▸'; position: absolute; left: 0; color: var(--color-accent-gold); }

/* Contact form — sibling selectors */
.form-group input, .form-group textarea {
    width: 100%; background: transparent; border: none;
    border-bottom: 1px solid rgba(212, 175, 55, 0.3);
    color: var(--color-text-primary);
    padding: 10px 0; font-family: var(--font-body); font-size: 1rem;
    transition: border-color 0.3s var(--transition-smooth); resize: vertical;
}
.form-group textarea { min-height: 120px; }
.form-group input:focus, .form-group textarea:focus { outline: none; border-bottom-color: var(--color-accent-gold); }
.form-label {
    position: absolute; top: 0; left: 0;
    color: var(--color-text-secondary); font-size: 0.9rem;
    transition: all 0.3s var(--transition-smooth); pointer-events: none;
}
.form-group input:focus ~ .form-label,
.form-group input:not(:placeholder-shown) ~ .form-label,
.form-group textarea:focus ~ .form-label,
.form-group textarea:not(:placeholder-shown) ~ .form-label {
    top: -20px; color: var(--color-accent-gold); font-size: 0.8rem;
}
.form-group input.error, .form-group textarea.error { border-bottom-color: #ff6b6b; }
.form-group input.error ~ .form-label, .form-group textarea.error ~ .form-label { color: #ff6b6b; }

/* Achievement body — child selectors */
.achievement-body h3 { font-family: var(--font-header); font-size: 1.15rem; color: var(--color-light); margin-bottom: 8px; }
.achievement-body p { font-size: 0.9rem; color: var(--color-text-secondary); line-height: 1.7; margin-bottom: 12px; }

/* Contact fallback link */
.contact-fallback a { color: var(--color-accent-gold); text-decoration: none; font-weight: 600; }
.contact-fallback a:hover { text-decoration: underline; }

/* Success message — child selector */
.success-message h3 { font-family: var(--font-header); color: var(--color-accent-gold); margin: 20px 0; font-size: 1.5rem; }

/* Keyframe animations */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes ripple { 0% { transform: scale(0); opacity: 1; } 100% { transform: scale(2.5); opacity: 0; } }
@keyframes heartbeat {
    0%, 100% { box-shadow: 0 10px 40px rgba(212, 175, 55, 0.3); }
    50% { box-shadow: 0 15px 60px rgba(212, 175, 55, 0.6); }
}
@keyframes shake { 0%, 100% { transform: translateX(0); } 25% { transform: translateX(-8px); } 75% { transform: translateX(8px); } }
@keyframes drawCheckmark { 0% { stroke-dashoffset: 60; } 100% { stroke-dashoffset: 0; } }
@keyframes tagSlideIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
@keyframes spin { to { transform: rotate(360deg); } }

/* JS-driven animation & state classes */
.fade-in-up { animation: fadeInUp 0.8s ease-out forwards; }
.ripple-active { animation: ripple 0.6s ease-out; }
.pulse-heartbeat { animation: heartbeat 1.2s ease-in-out infinite; }
.shake-error { animation: shake 0.4s var(--transition-smooth); }
.tag-stagger { animation: tagSlideIn 0.4s var(--transition-smooth) forwards; opacity: 0; }
.checkmark-svg { stroke-dasharray: 60; stroke-dashoffset: 60; animation: drawCheckmark 0.6s ease-out forwards; }
.glow-text { text-shadow: 0 0 20px rgba(212, 175, 55, 0.5); }
.nav-underline { position: absolute; bottom: -8px; height: 2px; background: var(--color-accent-gold); width: 0; left: 0; transition: all 0.3s var(--transition-smooth); }

/* Preloader */
.preloader {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: var(--color-primary);
    display: flex; align-items: center; justify-content: center;
    z-index: 99999; transition: opacity 0.6s ease, visibility 0.6s ease;
}
.preloader.hidden { opacity: 0; visibility: hidden; }
.preloader-spinner {
    width: 48px; height: 48px;
    border: 3px solid rgba(212, 175, 55, 0.2);
    border-top-color: var(--color-accent-gold);
    border-radius: 50%; animation: spin 0.8s linear infinite;
}

/* JS state classes */
.form-success { display: none; }
.form-success.active { display: block; }
.success-message { text-align: center; animation: fadeInUp 0.6s ease-out; }

/* Responsive */
@media (max-width: 768px) {
    nav { padding: 0 20px; }
    .nav-toggle { display: flex; }
    .nav-links {
        position: fixed;
        top: 68px; left: 0; right: 0;
        background: rgba(5, 7, 10, 0.97);
        backdrop-filter: blur(24px);
        -webkit-backdrop-filter: blur(24px);
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.35s ease, padding 0.35s ease;
        border-bottom: 1px solid rgba(212, 175, 55, 0.15);
    }
    .nav-links.open { max-height: 360px; padding: 8px 0 16px; }
    nav.nav-scrolled .nav-links { top: 56px; }
    .nav-links a { padding: 11px 28px; font-size: 1rem; }
    .nav-links a::after { display: none; }
    .nav-hire-btn {
        margin: 8px 28px 0 !important;
        text-align: center !important;
        border-radius: 50px !important;
        display: block !important;
        width: calc(100% - 56px) !important;
        padding: 10px 0 !important;
    }
    .hero-title { font-size: 2.5rem; }
    .typewriter-text { font-size: 1.5rem; }
    #particleCanvas { display: none; }
    .timeline-line { left: 30px; }
    .timeline-item:nth-child(odd) .timeline-content,
    .timeline-item:nth-child(even) .timeline-content { margin-left: 60px; margin-right: 0; text-align: left; }
    .timeline-dot { left: 30px; }
}