/* ==========================================
   Yousef Malak Ibrahim - Portfolio Styles
   Design: "Aurora Glass"
   ========================================== */

/* ===== CSS Variables ===== */
:root {
    --primary: #8B5CF6;
    --primary-dark: #7C3AED;
    --primary-light: #A78BFA;
    --secondary: #06B6D4;
    --accent: #FBBF24;
    --bg-dark: #05060A;
    --bg-card: rgba(255, 255, 255, 0.045);
    --bg-card-hover: rgba(255, 255, 255, 0.08);
    --border: rgba(255, 255, 255, 0.10);
    --text-primary: #F8FAFC;
    --text-secondary: #94A3B8;
    --text-muted: #64748B;
    --gradient-1: linear-gradient(135deg, #8B5CF6, #06B6D4);
    --gradient-2: linear-gradient(135deg, #FBBF24, #8B5CF6);
    --gradient-3: linear-gradient(135deg, #06B6D4, #F472B6);
    --gradient-bg: linear-gradient(135deg, rgba(139, 92, 246, 0.14), rgba(6, 182, 212, 0.08));
    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 12px 40px rgba(0, 0, 0, 0.45);
    --shadow-lg: 0 30px 80px rgba(0, 0, 0, 0.55);
    --shadow-glow: 0 0 50px rgba(139, 92, 246, 0.35);
    --radius-sm: 10px;
    --radius-md: 18px;
    --radius-lg: 28px;
    --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --font-sans: 'Inter', system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

/* ===== Reset ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
}

/* Animated aurora background */
body::before {
    content: '';
    position: fixed;
    inset: -20%;
    z-index: -3;
    background:
        radial-gradient(circle at 20% 20%, rgba(139, 92, 246, 0.25), transparent 45%),
        radial-gradient(circle at 80% 30%, rgba(6, 182, 212, 0.20), transparent 45%),
        radial-gradient(circle at 50% 80%, rgba(244, 114, 182, 0.15), transparent 45%),
        radial-gradient(circle at 70% 70%, rgba(251, 191, 36, 0.10), transparent 40%);
    filter: blur(40px);
    animation: auroraShift 18s ease-in-out infinite alternate;
}

/* Subtle grid overlay */
body::after {
    content: '';
    position: fixed;
    inset: 0;
    z-index: -2;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(circle at 50% 30%, black, transparent 80%);
    pointer-events: none;
}

@keyframes auroraShift {
    0%   { transform: translate(-3%, -2%) scale(1); }
    50%  { transform: translate(3%, 2%) scale(1.1); }
    100% { transform: translate(-2%, 3%) scale(1.05); }
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb {
    background: linear-gradient(var(--primary), var(--secondary));
    border-radius: 10px;
}
scrollbar-color: var(--primary) var(--bg-dark);

/* ===== Cursor Glow ===== */
#cursor-glow {
    position: fixed;
    width: 380px;
    height: 380px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.18), transparent 70%);
    pointer-events: none;
    z-index: -1;
    transform: translate(-50%, -50%);
    transition: opacity 0.3s;
    mix-blend-mode: screen;
}

/* ===== Particle Canvas ===== */
#particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

/* ===== Layout ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 32px;
}

section {
    padding: 120px 0;
    position: relative;
}

/* ===== Navigation ===== */
#navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 0;
    z-index: 1000;
    transition: var(--transition);
}

#navbar.scrolled {
    padding: 12px 0;
    background: rgba(5, 6, 10, 0.7);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: 1px;
}

.logo-y {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Pixel-art avatar of Yousef in the navbar (idle bob + blink) */
.pixel-avatar {
    width: 38px;
    height: 38px;
    display: block;
    filter: drop-shadow(0 0 8px rgba(139, 92, 246, 0.5));
    animation: pxBob 2.6s ease-in-out infinite;
    transform-origin: center bottom;
}
.pixel-avatar-svg { width: 100%; height: 100%; display: block; }
.px-eyelid { opacity: 0; animation: pixel-blink 5s infinite; }

@keyframes pxBob {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-2px); }
}
@keyframes pixel-blink {
    0%, 96%, 100% { opacity: 0; }
    97%, 99% { opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
    .about-orbit,
    .pixel-avatar { animation: none; }
}

.nav-links {
    display: flex;
    gap: 8px;
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.92rem;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 30px;
    transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.06);
    box-shadow: inset 0 0 0 1px var(--border);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
}

.hamburger span {
    width: 26px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: 30px;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-1);
    color: #fff;
    box-shadow: 0 10px 30px rgba(139, 92, 246, 0.35);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 16px 40px rgba(139, 92, 246, 0.5);
}

.btn-outline {
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-primary);
    box-shadow: inset 0 0 0 1px var(--border);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.09);
    transform: translateY(-3px);
}

.btn-full { width: 100%; justify-content: center; }

/* ===== Hero ===== */
#hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 120px;
}

#hero .container {
    display: flex;
    align-items: center;
    gap: 56px;
}

.hero-bg-gradient {
    position: absolute;
    inset: 0;
    z-index: -1;
    background: radial-gradient(circle at 70% 40%, rgba(139, 92, 246, 0.12), transparent 60%);
}

.hero-content { flex: 1; max-width: 620px; }

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 30px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 28px;
    backdrop-filter: blur(10px);
}

.badge-dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--secondary);
    box-shadow: 0 0 12px var(--secondary);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
}

.hero-title {
    font-size: clamp(2.6rem, 6vw, 4.4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
}

.title-line { display: block; color: var(--text-secondary); font-size: 0.6em; font-weight: 600; }

.hero-name {
    display: block;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    background-size: 200% auto;
    animation: gradientShift 5s ease infinite;
}

@keyframes gradientShift {
    0% { background-position: 0% center; }
    100% { background-position: 200% center; }
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 36px;
    min-height: 60px;
}

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.hero-stats {
    display: flex;
    align-items: center;
    gap: 32px;
    margin-top: 48px;
}

.stat { display: flex; flex-direction: column; }

.stat-number {
    font-size: 2.4rem;
    font-weight: 800;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label { font-size: 0.9rem; color: var(--text-muted); }

.stat-divider { width: 1px; height: 50px; background: var(--border); }

/* Hero visual */
.hero-visual {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.profile-image-container {
    position: relative;
    width: 320px;
    height: 320px;
}

.profile-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
    border-radius: 30px;
    border: 1px solid var(--border);
    position: relative;
    z-index: 2;
}

.glow-effect {
    position: absolute;
    inset: -2px;
    border-radius: 32px;
    background: var(--gradient-1);
    z-index: 1;
    filter: blur(30px);
    opacity: 0.6;
}

.floating-badge {
    position: absolute;
    padding: 10px 18px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(14px);
    border: 1px solid var(--border);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    z-index: 3;
    animation: float 6s ease-in-out infinite;
}

.badge-1 { top: 10%; left: -10%; }
.badge-2 { bottom: 12%; right: -8%; animation-delay: 2s; }

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-16px); }
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.8rem;
}

.mouse {
    width: 26px;
    height: 42px;
    border: 2px solid var(--border);
    border-radius: 16px;
    display: flex;
    justify-content: center;
    padding-top: 6px;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--primary-light);
    border-radius: 2px;
    animation: scrollWheel 1.8s infinite;
}

@keyframes scrollWheel {
    0% { transform: translateY(0); opacity: 1; }
    100% { transform: translateY(12px); opacity: 0; }
}

/* ===== Section Headers ===== */
.section-header { text-align: center; margin-bottom: 64px; }

.section-tag {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--secondary);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
}

.gradient-text {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* ===== About ===== */
.about-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 56px;
    align-items: center;
}

.about-image-container {
    position: relative;
    aspect-ratio: 1;
    border-radius: var(--radius-lg);
    background: var(--gradient-bg);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    container-type: size;
}

/* Orbiting tool icons around the About placeholder (not a logo) */
.about-orbit {
    position: absolute;
    inset: 0;
    pointer-events: none;
    animation: ymiOrbit 16s linear infinite;
}
.about-tool {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 34px;
    height: 34px;
    margin: -17px 0 0 -17px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--cyan);
    transform: rotate(calc(var(--i) * 60deg)) translateY(-34cqmin);
    filter: drop-shadow(0 0 5px rgba(6, 182, 212, 0.6));
}
.about-tool path { fill: currentColor; }
.about-tool:nth-child(3n+1) { color: var(--cyan); filter: drop-shadow(0 0 5px rgba(6, 182, 212, 0.6)); }
.about-tool:nth-child(3n+2) { color: var(--violet); filter: drop-shadow(0 0 5px rgba(139, 92, 246, 0.6)); }
.about-tool:nth-child(3n+3) { color: var(--amber, #FBBF24); filter: drop-shadow(0 0 5px rgba(251, 191, 36, 0.6)); }

.about-image-placeholder {
    font-size: 4rem;
    font-weight: 800;
    color: var(--text-primary);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.about-image-placeholder i { font-size: 3rem; color: var(--primary-light); }

.about-image-placeholder span {
    font-family: var(--font-mono);
    letter-spacing: 4px;
}

.about-image-placeholder .about-pixel {
    width: clamp(130px, 46%, 200px);
    height: auto;
    aspect-ratio: 1 / 1;
}

.image-border-glow {
    position: absolute;
    inset: 0;
    border-radius: var(--radius-lg);
    box-shadow: inset 0 0 60px rgba(139, 92, 246, 0.25);
    pointer-events: none;
}

.about-quick-info {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-top: 24px;
}

.quick-info-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    background: var(--bg-card);
    border: 1px solid var(--border);
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.quick-info-item:hover { transform: translateX(6px); border-color: var(--primary); }

.quick-info-item i { color: var(--secondary); }

.about-main-text {
    font-size: 1.02rem;
    color: var(--text-secondary);
    margin-bottom: 18px;
}

.highlight {
    color: var(--text-primary);
    font-weight: 700;
    background: linear-gradient(transparent 70%, rgba(139, 92, 246, 0.3) 0);
}

.about-languages h4 { margin-bottom: 16px; color: var(--text-primary); }

.language-bar { display: flex; flex-direction: column; gap: 14px; }

.lang-item {
    display: grid;
    grid-template-columns: 80px 1fr 60px;
    align-items: center;
    gap: 14px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.lang-progress {
    height: 8px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.08);
    overflow: hidden;
}

.lang-fill { height: 100%; border-radius: 8px; background: var(--gradient-1); }

.lang-fill.native { width: 100%; }
.lang-fill.fluent { width: 90%; }
.lang-fill.good { width: 60%; }

/* ===== Achievements ===== */
.achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
}

.achievement-card {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 28px;
    border-radius: var(--radius-md);
    background: var(--bg-card);
    border: 1px solid var(--border);
    backdrop-filter: blur(14px);
    transition: var(--transition);
}

.achievement-card:hover {
    transform: translateY(-6px);
    border-color: var(--accent);
    box-shadow: 0 20px 50px rgba(251, 191, 36, 0.15);
}

.achievement-icon {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    border-radius: var(--radius-sm);
    background: rgba(251, 191, 36, 0.14);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--accent);
}

.achievement-content { display: flex; flex-direction: column; gap: 4px; }

.achievement-rank {
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--accent);
}

.achievement-title { font-size: 1.05rem; font-weight: 700; color: var(--text-primary); }

.achievement-desc { font-size: 0.88rem; color: var(--text-secondary); line-height: 1.6; }

/* ===== Experience Timeline ===== */
.timeline {
    position: relative;
    max-width: 820px;
    margin: 0 auto;
    padding-left: 40px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 12px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(var(--primary), var(--secondary), transparent);
}

.timeline-item {
    position: relative;
    padding: 24px 28px;
    margin-bottom: 28px;
    border-radius: var(--radius-md);
    background: var(--bg-card);
    border: 1px solid var(--border);
    backdrop-filter: blur(14px);
    transition: var(--transition);
}

.timeline-item:hover { transform: translateX(8px); border-color: var(--primary); }

.timeline-dot {
    position: absolute;
    left: -34px;
    top: 30px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--gradient-1);
    box-shadow: 0 0 14px var(--primary);
}

.timeline-date {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    color: var(--secondary);
    margin-bottom: 6px;
}

.timeline-title { font-size: 1.2rem; font-weight: 700; color: var(--text-primary); }

.timeline-company { font-size: 0.95rem; color: var(--primary-light); margin-bottom: 12px; }

.timeline-details { list-style: none; display: flex; flex-direction: column; gap: 8px; }

.timeline-details li {
    position: relative;
    padding-left: 22px;
    font-size: 0.92rem;
    color: var(--text-secondary);
}

.timeline-details li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--secondary);
}

.timeline-desc { font-size: 0.92rem; color: var(--text-secondary); }

/* ===== Projects ===== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 28px;
}

.project-card {
    position: relative;
    padding: 32px;
    border-radius: var(--radius-md);
    background: var(--bg-card);
    border: 1px solid var(--border);
    backdrop-filter: blur(14px);
    transition: var(--transition);
    overflow: hidden;
    transform-style: preserve-3d;
}

.project-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-md);
    padding: 1px;
    background: var(--gradient-1);
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-8px);
    border-color: transparent;
    box-shadow: var(--shadow-lg);
    background: var(--bg-card-hover);
}

.project-card:hover::before { opacity: 1; }

.project-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.project-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-sm);
    background: rgba(139, 92, 246, 0.14);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: var(--primary-light);
}

.project-links { display: flex; gap: 8px; }

.project-link {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.project-link:hover { background: var(--primary); color: #fff; transform: translateY(-3px); }

.project-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
    line-height: 1.3;
}

.project-badge {
    display: inline-block;
    margin-left: 8px;
    padding: 2px 10px;
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    vertical-align: middle;
    color: var(--accent);
    background: rgba(251, 191, 36, 0.14);
    border: 1px solid rgba(251, 191, 36, 0.3);
    border-radius: 20px;
}

.project-desc {
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 16px;
}

.project-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }

.tag {
    padding: 4px 12px;
    background: rgba(139, 92, 246, 0.12);
    border: 1px solid rgba(139, 92, 246, 0.25);
    border-radius: 20px;
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--primary-light);
}

.project-features { display: flex; flex-wrap: wrap; gap: 8px; }

.feature {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.82rem;
    color: var(--text-secondary);
    padding: 4px 0;
}

.feature i { color: var(--secondary); font-size: 0.7rem; }

/* ===== Skills ===== */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
}

.skill-category {
    padding: 28px;
    border-radius: var(--radius-md);
    background: var(--bg-card);
    border: 1px solid var(--border);
    backdrop-filter: blur(14px);
    transition: var(--transition);
}

.skill-category:hover {
    transform: translateY(-6px);
    border-color: var(--secondary);
    box-shadow: 0 20px 50px rgba(6, 182, 212, 0.12);
}

.skill-category-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-sm);
    background: rgba(6, 182, 212, 0.14);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: var(--secondary);
    margin-bottom: 16px;
}

.skill-category h3 { font-size: 1.1rem; color: var(--text-primary); margin-bottom: 16px; }

.skill-items { display: flex; flex-wrap: wrap; gap: 8px; }

.skill-tag {
    padding: 6px 14px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    border-radius: 20px;
    font-size: 0.82rem;
    color: var(--text-secondary);
    transition: var(--transition);
}

.skill-tag:hover {
    color: var(--text-primary);
    border-color: var(--primary);
    background: rgba(139, 92, 246, 0.12);
}

/* ===== Contact ===== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

.contact-intro { font-size: 1.05rem; color: var(--text-secondary); margin-bottom: 28px; }

.contact-items { display: flex; flex-direction: column; gap: 14px; margin-bottom: 28px; }

.contact-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    border-radius: var(--radius-sm);
    background: var(--bg-card);
    border: 1px solid var(--border);
    text-decoration: none;
    transition: var(--transition);
}

.contact-item:hover { transform: translateX(6px); border-color: var(--secondary); }

.contact-item i { font-size: 1.2rem; color: var(--secondary); }

.contact-label { display: block; font-size: 0.78rem; color: var(--text-muted); }

.contact-value { display: block; font-size: 0.95rem; color: var(--text-primary); }

.social-links { display: flex; gap: 14px; }

.contact-cta {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-top: 26px;
}

.contact-cta .btn {
    flex: 1;
    min-width: 140px;
    justify-content: center;
}

.social-link {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.social-link:hover { background: var(--gradient-1); color: #fff; transform: translateY(-4px); }

.contact-form-wrapper {
    padding: 36px;
    border-radius: var(--radius-md);
    background: var(--bg-card);
    border: 1px solid var(--border);
    backdrop-filter: blur(14px);
}

.contact-form { display: flex; flex-direction: column; gap: 22px; }

.form-group { position: relative; }

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 16px 18px;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    transition: var(--transition);
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.18);
}

.form-group label {
    position: absolute;
    left: 18px;
    top: 16px;
    color: var(--text-muted);
    font-size: 0.92rem;
    pointer-events: none;
    transition: var(--transition);
}

.form-group input:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:focus + label,
.form-group textarea:not(:placeholder-shown) + label {
    top: -10px;
    left: 12px;
    font-size: 0.74rem;
    color: var(--primary-light);
    background: var(--bg-dark);
    padding: 0 6px;
}

/* ===== Footer ===== */
footer {
    padding: 48px 0;
    border-top: 1px solid var(--border);
    text-align: center;
}

.footer-content { display: flex; flex-direction: column; align-items: center; gap: 16px; }

.footer-logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
}

.footer-text { color: var(--text-muted); font-size: 0.9rem; }

.footer-social { display: flex; gap: 14px; }

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.footer-social a:hover { background: var(--gradient-1); color: #fff; transform: translateY(-3px); }

/* ===== Scroll Reveal Animation ===== */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Light, fast stagger so cards pop in with the scroll (capped, not cumulative) */
.projects-grid .animate-on-scroll:nth-child(1) { transition-delay: 0s; }
.projects-grid .animate-on-scroll:nth-child(2) { transition-delay: 0.05s; }
.projects-grid .animate-on-scroll:nth-child(3) { transition-delay: 0.10s; }
.projects-grid .animate-on-scroll:nth-child(4) { transition-delay: 0.05s; }
.projects-grid .animate-on-scroll:nth-child(5) { transition-delay: 0.10s; }
.projects-grid .animate-on-scroll:nth-child(6) { transition-delay: 0.05s; }
.projects-grid .animate-on-scroll:nth-child(n+7) { transition-delay: 0.08s; }

/* ===== Responsive ===== */
@media (max-width: 900px) {
    .nav-links {
        position: fixed;
        top: 72px;
        right: 24px;
        flex-direction: column;
        gap: 6px;
        padding: 16px;
        border-radius: var(--radius-md);
        background: rgba(5, 6, 10, 0.92);
        backdrop-filter: blur(20px);
        border: 1px solid var(--border);
        transform: translateY(-20px);
        opacity: 0;
        pointer-events: none;
        transition: var(--transition);
    }
    .nav-links.active { transform: translateY(0); opacity: 1; pointer-events: all; }
    .hamburger { display: flex; }
    .about-grid, .contact-grid { grid-template-columns: 1fr; }
    .hero-content { max-width: 100%; }
    .hero-visual { display: none; }
    .section-title { font-size: 2rem; }
    .project-card, .skill-category, .achievement-card { padding: 24px; }
    .btn { padding: 14px 24px; font-size: 0.92rem; }
    /* Lighter glass on mobile = smoother scrolling */
    .project-card, .skill-category, .achievement-card,
    .timeline-item, .contact-form-wrapper, .about-quick-info,
    .contact-item, .chatbot-container {
        backdrop-filter: blur(8px);
    }
    .contact-cta .btn { min-width: 120px; }
}

@media (max-width: 560px) {
    .container { padding: 0 18px; }
    section { padding: 64px 0; }
    .hero-title { font-size: clamp(2rem, 9vw, 2.8rem); }
    .hero-stats { gap: 18px; flex-wrap: wrap; justify-content: center; }
    .stat-number { font-size: 1.7rem; }
    .hero-actions { width: 100%; }
    .hero-actions .btn { flex: 1; justify-content: center; }
    .btn { padding: 13px 20px; font-size: 0.9rem; }
    .section-header { margin-bottom: 44px; }
    .contact-cta { flex-direction: column; }
    .contact-cta .btn { width: 100%; }
    .footer-social a, .social-link { width: 40px; height: 40px; }
}