/* ==========================================================================
   Suman Biswas - Premium Apple-Inspired Portfolio Design System
   ========================================================================== */

:root {
    /* Color Palette - Dark Mode (Default) */
    --bg-primary: #07090e;
    --bg-surface: #0e121b;
    --bg-surface-subtle: #131824;
    --card-bg: rgba(19, 24, 36, 0.7);
    --card-bg-subtle: rgba(255, 255, 255, 0.03);
    --card-border: rgba(255, 255, 255, 0.08);
    --card-border-hover: rgba(0, 113, 227, 0.4);
    
    --text-primary: #f5f5f7;
    --text-secondary: #9499a6;
    --text-muted: #6e7382;

    --accent-blue: #0071e3;
    --accent-blue-hover: #0077ed;
    --accent-cyan: #64d2ff;
    --accent-purple: #bf5af2;
    --accent-glow: rgba(0, 113, 227, 0.25);

    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-pill: 9999px;

    --font-heading: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    --transition-smooth: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Light Theme Variables */
[data-theme="light"] {
    --bg-primary: #fbfbfd;
    --bg-surface: #f5f5f7;
    --bg-surface-subtle: #ebecee;
    --card-bg: rgba(255, 255, 255, 0.85);
    --card-bg-subtle: rgba(0, 0, 0, 0.02);
    --card-border: rgba(0, 0, 0, 0.07);
    --card-border-hover: rgba(0, 113, 227, 0.4);

    --text-primary: #1d1d1f;
    --text-secondary: #6e6e73;
    --text-muted: #86868b;

    --accent-blue: #0071e3;
    --accent-blue-hover: #0077ed;
    --accent-glow: rgba(0, 113, 227, 0.15);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.65;
    overflow-x: hidden;
    transition: background-color 0.4s ease, color 0.4s ease;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--text-primary);
    font-weight: 600;
    letter-spacing: -0.02em;
}

a {
    color: var(--accent-blue);
    transition: var(--transition-smooth);
}
a:hover {
    color: var(--accent-blue-hover);
}

/* Scroll Progress Bar */
.scroll-progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: linear-gradient(90deg, #0071e3, #64d2ff, #bf5af2);
    z-index: 9999;
    width: 0%;
    transition: width 0.1s linear;
}

/* Custom Magnetic Cursor */
.custom-cursor {
    position: fixed;
    top: 0;
    left: 0;
    width: 36px;
    height: 36px;
    border: 1.5px solid rgba(0, 113, 227, 0.5);
    border-radius: 50%;
    pointer-events: none;
    transform: translate(-50%, -50%);
    transition: transform 0.12s ease-out, width 0.2s ease, height 0.2s ease, border-color 0.2s ease;
    z-index: 10000;
}
.custom-cursor-dot {
    position: fixed;
    top: 0;
    left: 0;
    width: 6px;
    height: 6px;
    background-color: var(--accent-blue);
    border-radius: 50%;
    pointer-events: none;
    transform: translate(-50%, -50%);
    z-index: 10001;
}
.custom-cursor.hover {
    width: 54px;
    height: 54px;
    background-color: rgba(0, 113, 227, 0.08);
    border-color: var(--accent-blue);
}

/* Preloader */
.preloader {
    position: fixed;
    inset: 0;
    background-color: var(--bg-primary);
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}
.preloader.fade-out {
    opacity: 0;
    visibility: hidden;
}
.preloader-spinner {
    position: relative;
    width: 70px;
    height: 70px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}
.spinner-ring {
    position: absolute;
    inset: 0;
    border: 2px solid transparent;
    border-top-color: var(--accent-blue);
    border-right-color: var(--accent-cyan);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}
.preloader-initials {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text-primary);
}
.preloader-text .text-name {
    display: block;
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-primary);
}
.preloader-text .text-sub {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Navbar */
.navbar-wrapper {
    background: rgba(7, 9, 14, 0.75);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--card-border);
    transition: var(--transition-smooth);
}
[data-theme="light"] .navbar-wrapper {
    background: rgba(251, 251, 253, 0.85);
}
.brand-logo-badge {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, #0071e3, #5856d6);
    color: #ffffff;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-family: var(--font-heading);
    font-size: 0.95rem;
    box-shadow: 0 4px 12px rgba(0, 113, 227, 0.3);
}
.brand-logo-badge.lg {
    width: 56px;
    height: 56px;
    font-size: 1.4rem;
    border-radius: 16px;
}
.brand-text .brand-name {
    display: block;
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--text-primary);
    line-height: 1.2;
}
.brand-text .brand-role {
    font-size: 0.72rem;
    color: var(--accent-blue);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}
.navbar-nav .nav-link {
    color: var(--text-secondary);
    font-size: 0.92rem;
    font-weight: 500;
    padding: 0.5rem 0.9rem !important;
    border-radius: var(--radius-pill);
    transition: var(--transition-smooth);
}
.navbar-nav .nav-link:hover {
    color: var(--text-primary);
    background-color: var(--card-bg-subtle);
}

/* Theme Toggle Button */
.theme-toggle-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--card-border);
    background: var(--card-bg-subtle);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-smooth);
}
.theme-toggle-btn:hover {
    background: var(--card-border);
    transform: scale(1.05);
}
[data-theme="dark"] .icon-sun { display: block; }
[data-theme="dark"] .icon-moon { display: none; }
[data-theme="light"] .icon-sun { display: none; }
[data-theme="light"] .icon-moon { display: block; }

/* Buttons */
.btn-primary-pill {
    background: var(--accent-blue);
    color: #ffffff !important;
    border: none;
    border-radius: var(--radius-pill);
    padding: 0.65rem 1.6rem;
    font-weight: 600;
    font-size: 0.92rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px rgba(0, 113, 227, 0.35);
    transition: var(--transition-smooth);
    text-decoration: none;
}
.btn-primary-pill:hover {
    background: var(--accent-blue-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 113, 227, 0.45);
}
.btn-glass-pill {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(16px);
    color: var(--text-primary) !important;
    border: 1px solid var(--card-border);
    border-radius: var(--radius-pill);
    padding: 0.65rem 1.5rem;
    font-weight: 500;
    font-size: 0.92rem;
    display: inline-flex;
    align-items: center;
    transition: var(--transition-smooth);
    text-decoration: none;
}
.btn-glass-pill:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--text-muted);
    transform: translateY(-2px);
}
.btn-outline-pill {
    background: transparent;
    color: var(--text-primary) !important;
    border: 1px solid var(--card-border);
    border-radius: var(--radius-pill);
    padding: 0.65rem 1.5rem;
    font-weight: 500;
    font-size: 0.92rem;
    display: inline-flex;
    align-items: center;
    transition: var(--transition-smooth);
    text-decoration: none;
}
.btn-outline-pill:hover {
    border-color: var(--accent-blue);
    color: var(--accent-blue) !important;
    transform: translateY(-2px);
}
.btn-subtle-pill {
    background: var(--card-bg-subtle);
    color: var(--text-secondary) !important;
    border: 1px solid var(--card-border);
    border-radius: var(--radius-pill);
    padding: 0.65rem 1.3rem;
    font-size: 0.92rem;
    display: inline-flex;
    align-items: center;
    transition: var(--transition-smooth);
    text-decoration: none;
}
.btn-subtle-pill:hover {
    color: var(--text-primary) !important;
    background: var(--card-border);
}
.btn-circle-glass {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(12px);
    color: #ffffff !important;
    border: 1px solid rgba(255, 255, 255, 0.2);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
    text-decoration: none;
}
.btn-circle-glass:hover {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
    transform: scale(1.1);
}

/* Typography Enhancements */
.gradient-text {
    background: linear-gradient(135deg, #ffffff 30%, #64d2ff 70%, #0071e3 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
[data-theme="light"] .gradient-text {
    background: linear-gradient(135deg, #1d1d1f 30%, #0071e3 80%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.section-padding {
    padding: 100px 0;
}
.section-pill-tag {
    display: inline-block;
    padding: 0.35rem 1rem;
    background: rgba(0, 113, 227, 0.12);
    border: 1px solid rgba(0, 113, 227, 0.3);
    color: var(--accent-blue);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    border-radius: var(--radius-pill);
}
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}
.section-desc {
    color: var(--text-secondary);
    font-size: 1.05rem;
    max-width: 650px;
    margin: 0 auto;
}
.max-w-750 { max-width: 750px; }
.max-w-500 { max-width: 500px; }

/* Status Pill Badge */
.status-pill-badge {
    background: rgba(48, 209, 88, 0.1);
    border: 1px solid rgba(48, 209, 88, 0.3);
    color: #30d158;
    padding: 0.4rem 1.1rem;
    border-radius: var(--radius-pill);
    font-size: 0.84rem;
}
.status-dot-pulse {
    width: 8px;
    height: 8px;
    background-color: #30d158;
    border-radius: 50%;
    box-shadow: 0 0 0 rgba(48, 209, 88, 0.6);
    animation: pulse 1.8s infinite;
}

/* Ambient Radial Glows */
.ambient-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    pointer-events: none;
    z-index: 1;
}
.glow-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 113, 227, 0.18) 0%, transparent 70%);
    top: -100px;
    right: -100px;
}
.glow-2 {
    width: 450px;
    height: 450px;
    background: radial-gradient(circle, rgba(94, 92, 230, 0.14) 0%, transparent 70%);
    bottom: 50px;
    left: -150px;
}
.glow-3 {
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(48, 209, 88, 0.08) 0%, transparent 70%);
    top: 40%;
    left: 30%;
}

/* Hero Section */
.hero-title {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
}
.hero-description {
    font-size: 1.15rem;
    max-width: 580px;
}
.typing-container {
    font-size: 1.6rem;
    font-weight: 600;
    font-family: var(--font-heading);
}
.typing-cursor {
    color: var(--accent-blue);
    animation: blink 0.8s infinite;
}
.social-circle-btn {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--card-bg-subtle);
    border: 1px solid var(--card-border);
    color: var(--text-secondary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
}
.social-circle-btn:hover {
    color: #ffffff;
    background: var(--accent-blue);
    border-color: var(--accent-blue);
    transform: translateY(-3px);
}

/* Hero Avatar Squircle Frame */
.hero-avatar-wrapper {
    max-width: 380px;
}
.avatar-glass-card {
    border-radius: 36px;
    overflow: hidden;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 12px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
    position: relative;
    z-index: 2;
}
.hero-avatar-img {
    border-radius: 28px;
    width: 100%;
    display: block;
}
.floating-badge {
    position: absolute;
    background: rgba(19, 24, 36, 0.85);
    backdrop-filter: blur(16px);
    border: 1px solid var(--card-border);
    padding: 0.6rem 1rem;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.25);
    z-index: 3;
    text-align: left;
}
[data-theme="light"] .floating-badge {
    background: rgba(255, 255, 255, 0.9);
}
.badge-figma { top: 15%; left: -35px; }
.badge-code { bottom: 20%; right: -30px; }
.badge-ux { bottom: -20px; left: 15%; }
.floating-badge i { font-size: 1.4rem; }
.floating-badge .badge-title {
    display: block;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}
.floating-badge .badge-sub {
    font-size: 0.72rem;
    color: var(--text-secondary);
}

/* Scroll Down Indicator */
.scroll-down-indicator {
    position: absolute;
    bottom: 25px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    color: var(--text-muted);
}
.mouse-icon {
    width: 24px;
    height: 38px;
    border: 2px solid var(--text-muted);
    border-radius: 12px;
    display: block;
    position: relative;
}
.mouse-wheel {
    width: 4px;
    height: 8px;
    background: var(--accent-blue);
    border-radius: 2px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: mouseScroll 1.8s infinite;
}

/* Feature & Service Cards */
.feature-glass-card, .service-glass-card, .project-glass-card, .timeline-glass-card, .education-card, .certificate-card, .contact-info-card, .contact-form-card, .testimonial-card, .bg-card-glass {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    transition: var(--transition-smooth);
}
.feature-glass-card:hover, .service-glass-card:hover, .project-glass-card:hover {
    border-color: var(--card-border-hover);
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.2);
}
.feature-glass-card {
    padding: 2rem 1.5rem;
}
.feature-icon-box, .service-icon-box, .contact-icon-box, .cert-icon-box, .process-icon-box {
    width: 52px;
    height: 52px;
    border-radius: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    margin-bottom: 1.25rem;
}
.bg-primary-soft { background: rgba(0, 113, 227, 0.12); color: var(--accent-blue); }
.bg-purple-soft { background: rgba(191, 90, 242, 0.12); color: var(--accent-purple); }
.bg-orange-soft { background: rgba(255, 159, 10, 0.12); color: #ff9f0a; }
.bg-teal-soft { background: rgba(48, 209, 88, 0.12); color: #30d158; }
.bg-danger-soft { background: rgba(255, 69, 58, 0.12); color: #ff453a; }
.bg-success-soft { background: rgba(48, 209, 88, 0.12); color: #30d158; }
.bg-card-subtle { background: var(--card-bg-subtle); }

.feature-card-title { font-size: 1.25rem; margin-bottom: 0.75rem; }
.feature-card-desc { font-size: 0.92rem; color: var(--text-secondary); margin-bottom: 1rem; }
.feature-card-badge { font-size: 0.8rem; font-weight: 600; color: var(--text-primary); }

/* About Section Extras */
.about-floating-info-card {
    position: absolute;
    bottom: -20px;
    right: 20px;
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--card-border);
    padding: 1rem 1.25rem;
    border-radius: var(--radius-md);
    box-shadow: 0 12px 30px rgba(0,0,0,0.25);
}
.about-floating-info-card .info-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(0, 113, 227, 0.15);
    color: var(--accent-blue);
    display: flex;
    align-items: center;
    justify-content: center;
}
.stat-card {
    padding: 1.75rem 1rem;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    transition: var(--transition-smooth);
}
.stat-card:hover { transform: translateY(-4px); }
.stat-number { font-size: 2.75rem; font-weight: 800; font-family: var(--font-heading); line-height: 1; margin-bottom: 0.5rem; }
.stat-label { font-weight: 600; font-size: 0.95rem; color: var(--text-primary); }

/* Skills Circular Progress */
.skill-filter-tabs {
    background: var(--card-bg-subtle);
    border: 1px solid var(--card-border);
}
.skill-tab-btn {
    border: none;
    background: transparent;
    color: var(--text-secondary);
    padding: 0.45rem 1.25rem;
    border-radius: var(--radius-pill);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-smooth);
}
.skill-tab-btn.active, .skill-tab-btn:hover {
    color: #ffffff;
    background: var(--accent-blue);
}
.skill-card {
    padding: 1.75rem 1.25rem;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    transition: var(--transition-smooth);
}
.skill-card:hover {
    border-color: var(--card-border-hover);
    transform: translateY(-4px);
}
.skill-circle-wrapper {
    width: 90px;
    height: 90px;
}
.circular-progress {
    transform: rotate(-90deg);
    width: 100%;
    height: 100%;
}
.circle-bg {
    fill: none;
    stroke: var(--card-bg-subtle);
    stroke-width: 6;
}
.circle-bar {
    fill: none;
    stroke: var(--accent-blue);
    stroke-width: 6;
    stroke-dasharray: 264;
    stroke-dashoffset: calc(264 - (264 * var(--percent)) / 100);
    stroke-linecap: round;
    transition: stroke-dashoffset 1.5s ease-out;
}
.circle-inner {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}
.skill-center-icon {
    font-size: 1.2rem;
    color: var(--text-primary);
    margin-bottom: 2px;
}
.circle-percent {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--text-secondary);
}
.skill-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}
.skill-category-pill {
    font-size: 0.72rem;
    padding: 0.2rem 0.6rem;
    background: var(--card-bg-subtle);
    border-radius: var(--radius-pill);
    color: var(--text-muted);
}

/* 12-Step Process */
.process-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1.25rem;
}
.process-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    padding: 1.75rem 1.5rem;
    transition: var(--transition-smooth);
}
.process-card:hover {
    border-color: var(--card-border-hover);
    transform: translateY(-4px);
}
.process-icon-box {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: rgba(0, 113, 227, 0.12);
    color: var(--accent-blue);
    font-size: 1.15rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.process-step-num {
    font-size: 1.5rem;
    font-weight: 800;
    font-family: var(--font-heading);
    color: var(--card-border);
}
.process-card-title { font-size: 1.1rem; }
.process-card-desc { font-size: 0.85rem; color: var(--text-secondary); }

/* Projects & Filter */
.project-filter-pills {
    display: flex;
}
.filter-pill-btn {
    border: 1px solid var(--card-border);
    background: var(--card-bg-subtle);
    color: var(--text-secondary);
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-pill);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-smooth);
}
.filter-pill-btn.active, .filter-pill-btn:hover {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
    color: #ffffff;
}
.search-input-box .search-icon {
    position: absolute;
    top: 50%;
    left: 14px;
    transform: translateY(-50%);
    color: var(--text-muted);
}
.project-search-field {
    background: var(--card-bg) !important;
    border: 1px solid var(--card-border) !important;
    color: var(--text-primary) !important;
    border-radius: var(--radius-pill) !important;
    padding-left: 40px !important;
    padding-right: 18px !important;
    font-size: 0.9rem;
}
.project-search-field:focus {
    border-color: var(--accent-blue) !important;
    box-shadow: 0 0 0 3px rgba(0, 113, 227, 0.25) !important;
}
.project-thumb-box {
    height: 220px;
    background: #161b22;
}
.project-thumb-img {
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.project-glass-card:hover .project-thumb-img {
    transform: scale(1.05);
}
.project-category-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: rgba(0, 0, 0, 0.65);
    backdrop-filter: blur(8px);
    color: #ffffff;
    font-size: 0.72rem;
    font-weight: 600;
    padding: 0.25rem 0.7rem;
    border-radius: var(--radius-pill);
    border: 1px solid rgba(255, 255, 255, 0.15);
}
.project-overlay {
    position: absolute;
    inset: 0;
    background: rgba(7, 9, 14, 0.65);
    backdrop-filter: blur(4px);
    opacity: 0;
    transition: opacity 0.3s ease;
}
.project-glass-card:hover .project-overlay {
    opacity: 1;
}
.project-card-title {
    font-size: 1.15rem;
}
.tech-tag {
    font-size: 0.72rem;
    padding: 0.2rem 0.55rem;
    background: var(--card-bg-subtle);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-pill);
    color: var(--text-muted);
}

/* Timeline */
.timeline-wrapper {
    max-width: 900px;
    margin: 0 auto;
}
.timeline-center-line {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 2px;
    background: var(--card-border);
    transform: translateX(-50%);
}
.timeline-node-icon {
    width: 44px;
    height: 44px;
    background: var(--bg-surface);
    border: 2px solid var(--accent-blue);
    color: var(--accent-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    box-shadow: 0 0 15px rgba(0, 113, 227, 0.4);
    z-index: 2;
}
.timeline-tag-badge {
    background: rgba(0, 113, 227, 0.15);
    color: var(--accent-blue);
    font-weight: 600;
    font-size: 0.75rem;
}
.timeline-date {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Form inputs (Apple style) */
.apple-input {
    background: var(--card-bg-subtle) !important;
    border: 1px solid var(--card-border) !important;
    color: var(--text-primary) !important;
    border-radius: var(--radius-md) !important;
    padding: 0.75rem 1rem !important;
    font-size: 0.92rem !important;
    transition: var(--transition-smooth) !important;
}
.apple-input:focus {
    background: var(--card-bg) !important;
    border-color: var(--accent-blue) !important;
    box-shadow: 0 0 0 3px rgba(0, 113, 227, 0.2) !important;
    color: var(--text-primary) !important;
}

/* Footer & Back to top */
.site-footer {
    background: var(--bg-surface);
    border-top: 1px solid var(--card-border);
}
.footer-heading {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1.25rem;
}
.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.88rem;
    display: inline-block;
    margin-bottom: 0.5rem;
    transition: var(--transition-smooth);
}
.footer-links a:hover {
    color: var(--accent-blue);
    transform: translateX(3px);
}
.social-icon-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--card-bg-subtle);
    border: 1px solid var(--card-border);
    color: var(--text-secondary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.social-icon-btn:hover {
    background: var(--accent-blue);
    color: #ffffff;
    border-color: var(--accent-blue);
}
.back-to-top-btn {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--card-bg-subtle);
    border: 1px solid var(--card-border);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-smooth);
}
.back-to-top-btn:hover {
    background: var(--accent-blue);
    color: #ffffff;
    transform: translateY(-3px);
}

/* Modal styling */
.glass-card-modal {
    background: var(--bg-surface) !important;
    border: 1px solid var(--card-border) !important;
    border-radius: var(--radius-xl) !important;
    box-shadow: 0 25px 60px rgba(0,0,0,0.5) !important;
}

/* Resume Print Styles */
@media print {
    body {
        background: #ffffff !important;
        color: #1a1a1a !important;
    }
    .no-print, .navbar-wrapper, .site-footer, .custom-cursor, .custom-cursor-dot, .scroll-progress-bar, .preloader {
        display: none !important;
    }
    .resume-sheet {
        box-shadow: none !important;
        border: none !important;
        padding: 0 !important;
        width: 100% !important;
        max-width: 100% !important;
    }
}

/* Responsive Breakpoints */
@media (max-width: 991px) {
    .hero-title { font-size: 3rem; }
    .hero-avatar-wrapper { max-width: 320px; }
    .timeline-center-line { left: 24px; }
    .timeline-item { flex-direction: row !important; }
    .timeline-node-col { width: 50px; text-align: left; }
    .timeline-card-col { width: calc(100% - 60px); margin-left: 10px; }
}
@media (max-width: 767px) {
    .hero-title { font-size: 2.4rem; }
    .section-title { font-size: 2rem; }
    .section-padding { padding: 60px 0; }
    .badge-figma, .badge-code, .badge-ux { display: none; }
}