/* ===========================
   ROOT & VARIABLES
   =========================== */

:root {
    /* Colors - Light Mode */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #f0f1f3;
    --text-primary: #1a1a1a;
    --text-secondary: #666666;
    --text-tertiary: #999999;
    --accent-primary: #1a1a1a;
    --accent-secondary: #4a90ff;
    --accent-gradient: linear-gradient(135deg, #4a90ff 0%, #7c3aed 50%, #06b6d4 100%);
    --accent-light: #ffeaea;
    --border-color: #e0e0e0;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.15);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;

    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;
    --font-size-3xl: 2.5rem;
    --font-size-4xl: 3.5rem;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Mode */
html.dark-mode {
    --bg-primary: #0f1419;
    --bg-secondary: #1a1f2e;
    --bg-tertiary: #252d3d;
    --text-primary: #ffffff;
    --text-secondary: #b0b8c9;
    --text-tertiary: #8a92a3;
    --accent-primary: #ffffff;
    --border-color: #3a4556;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
}

/* ===========================
   RESET & BASE STYLES
   =========================== */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color var(--transition-base), color var(--transition-base);
    overflow-x: hidden;
}

/* ===========================
   TYPOGRAPHY
   =========================== */

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.5px;
}

h1 {
    font-size: var(--font-size-4xl);
}

h2 {
    font-size: var(--font-size-3xl);
}

h3 {
    font-size: var(--font-size-xl);
}

p {
    color: var(--text-secondary);
    font-size: var(--font-size-base);
}

a {
    color: var(--accent-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--accent-secondary);
    opacity: 0.8;
}

/* ===========================
   CONTAINER & LAYOUT
   =========================== */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ===========================
   ANIMATIONS
   =========================== */

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInFromLeft {
    from {
        opacity: 0;
        transform: translateX(-40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInFromRight {
    from {
        opacity: 0;
        transform: translateX(40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(255, 107, 53, 0.3);
    }
    50% {
        box-shadow: 0 0 30px rgba(255, 107, 53, 0.6);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

.fade-in-delayed {
    animation: fadeIn 0.6s ease-out 0.2s backwards;
}

.fade-in-delayed-2 {
    animation: fadeIn 0.6s ease-out 0.4s backwards;
}

/* ===========================
   BUTTONS & LINKS
   =========================== */

.btn-primary {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    background-color: #000000;
    color: #ffffff;
    border: none;
    border-radius: 8px;
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background-color: #444444;
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-primary:active {
    transform: translateY(0);
}

html.dark-mode .btn-primary {
    background-color: #ffffff;
    color: #000000;
}

html.dark-mode .btn-primary:hover {
    background-color: #444444;
    color: #ffffff;
}

.btn-secondary {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--accent-gradient);
    color: #ffffff;
    border: 2px solid transparent;
    border-radius: 8px;
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: center;
}

.btn-secondary:hover {
    opacity: 0.9;
    color: #ffffff;
    transform: translateY(-2px);
}

.btn-secondary.linkedin-btn {
    background: #0077B5 !important;
    background-color: #0077B5 !important;
    color: #ffffff !important;
    border: 2px solid #0077B5 !important;
}

.btn-secondary.linkedin-btn:hover {
    background: #005885 !important;
    background-color: #005885 !important;
    color: #ffffff !important;
    border-color: #005885 !important;
    opacity: 1 !important;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: var(--font-size-lg);
}

/* ===========================
   NAVIGATION BAR
   =========================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 70px;
    height: 70px;
    padding: 0;
}

.logo-img {
    width: 100%;
    height: 100%;
    transition: filter var(--transition-base);
}

html.dark-mode .logo-img {
    filter: invert(1) brightness(1.1);
}

.logo-text {
    color: var(--text-primary);
}

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

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-link {
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--text-primary);
    position: relative;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-secondary);
    transition: width var(--transition-fast);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.theme-toggle {
    background: none;
    border: none;
    cursor: pointer;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    transition: color var(--transition-fast);
}

.theme-toggle:hover {
    color: var(--accent-secondary);
}

.sun-icon,
.moon-icon {
    width: 20px;
    height: 20px;
    position: absolute;
}

.sun-icon {
    opacity: 1;
}

.moon-icon {
    opacity: 0;
}

html.dark-mode .sun-icon {
    opacity: 0;
}

html.dark-mode .moon-icon {
    opacity: 1;
}

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

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

.nav-cta {
    white-space: nowrap;
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    flex-direction: column;
    padding: var(--spacing-md);
    gap: var(--spacing-md);
    z-index: 999;
}

.mobile-link {
    color: var(--text-primary);
    font-weight: 500;
    padding: var(--spacing-sm);
}

/* ===========================
   HERO SECTION
   =========================== */

.hero {
    padding: 120px var(--spacing-lg) 80px;
    margin-top: 70px;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content {
    animation: slideInFromLeft 0.8s ease-out;
}

.hero-title {
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
}

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

.hero-subtitle {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xl);
    color: var(--text-secondary);
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.hero-visual {
    position: relative;
    height: 400px;
    animation: slideInFromRight 0.8s ease-out;
}

.floating-card {
    position: absolute;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: var(--spacing-md);
    box-shadow: var(--shadow-md);
    animation: float 3s ease-in-out infinite;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    text-align: center;
    min-width: 160px;
}

.card-icon {
    font-size: 2rem;
}

.floating-card p {
    font-size: var(--font-size-sm);
    margin: 0;
}

.card-1 {
    top: 20px;
    left: 0;
    animation-delay: 0s;
}

.card-2 {
    top: 150px;
    right: 0;
    animation-delay: 1s;
}

.card-3 {
    bottom: 20px;
    left: 40px;
    animation-delay: 2s;
}

/* ===========================
   SERVICES SECTION
   =========================== */

.services {
    padding: var(--spacing-2xl) var(--spacing-lg);
    background-color: var(--bg-secondary);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-header h2 {
    margin-bottom: var(--spacing-md);
}

.section-header p {
    font-size: var(--font-size-lg);
    max-width: 500px;
    margin: 0 auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
}

@keyframes rotateBorder {
    0% {
        background: conic-gradient(from 0deg, #4a90ff, #7c3aed, #06b6d4, #4a90ff);
    }
    100% {
        background: conic-gradient(from 360deg, #4a90ff, #7c3aed, #06b6d4, #4a90ff);
    }
}

.service-card {
    background-color: var(--bg-primary);
    border-radius: 12px;
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-sm);
    position: relative;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.service-card:hover::before {
    opacity: 1;
    animation: rotateBorder 3s linear infinite;
}

.service-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.service-card h3 {
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.service-list {
    list-style: none;
    margin-bottom: var(--spacing-lg);
    flex-grow: 1;
}

.service-list li {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border-color);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.service-list li:last-child {
    border-bottom: none;
}

.service-list strong {
    color: var(--text-primary);
    font-weight: 600;
    display: block;
    margin-bottom: var(--spacing-xs);
}

.service-description {
    display: block;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    font-weight: 400;
}

.service-cta {
    display: inline-block;
    color: #000000;
    font-weight: 600;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
    transition: all var(--transition-base);
    position: relative;
}

.service-cta:hover {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

html.dark-mode .service-cta {
    color: #ffffff;
}

/* ===========================
   STATS SECTION
   =========================== */

.stats {
    padding: var(--spacing-2xl) var(--spacing-lg);
    background-color: var(--bg-primary);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
    text-align: center;
}

.stat-item {
    padding: var(--spacing-lg);
    border-radius: 12px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

.stat-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.stat-number {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--accent-secondary);
    margin-bottom: var(--spacing-sm);
}

.stat-label {
    color: var(--text-secondary);
    font-size: var(--font-size-base);
}

/* ===========================
   ABOUT SECTION
   =========================== */

.about {
    padding: var(--spacing-2xl) var(--spacing-lg);
    background-color: var(--bg-secondary);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.about-text h2 {
    margin-bottom: var(--spacing-md);
}

.about-text p {
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.about-highlights {
    margin-top: var(--spacing-xl);
}

.about-highlights h3 {
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-lg);
}

.highlights-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.highlight-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: var(--bg-primary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

.highlight-item:hover {
    border-color: var(--accent-secondary);
}

.highlight-check {
    color: var(--accent-secondary);
    font-weight: 700;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.highlight-item h4 {
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-base);
}

.highlight-item p {
    margin: 0;
    font-size: var(--font-size-sm);
}

.about-testimonials {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.about-testimonials h3 {
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-lg);
}

.testimonial-card {
    background-color: var(--bg-primary);
    padding: var(--spacing-md);
    border-radius: 8px;
    border-left: 4px solid var(--accent-secondary);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.testimonial-card:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-md);
}

.testimonial-text {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    font-style: italic;
}

.testimonial-author {
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--text-primary);
}

/* ===========================
   UPLOAD SECTION
   =========================== */

.upload-section {
    padding: var(--spacing-2xl) var(--spacing-lg);
    background-color: var(--bg-primary);
}

.upload-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.upload-header h2 {
    margin-bottom: var(--spacing-md);
}

.upload-header p {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
}

.upload-container {
    max-width: 600px;
    margin: 0 auto;
}

.upload-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    font-size: var(--font-size-sm);
}

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

.form-group input,
.form-group textarea {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-tertiary);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-secondary);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

.upload-box {
    border: none;
    border-radius: 12px;
    padding: var(--spacing-2xl) var(--spacing-lg);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-base);
    background-color: #f5f5f5;
}

.upload-box:hover {
    background-color: #f5f5f5;
    transform: scale(1.02);
}

html.dark-mode .upload-box {
    background-color: #1a1f2e;
}

html.dark-mode .upload-box:hover {
    background-color: #1a1f2e;
}

.upload-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--spacing-md);
    color: #4a90ff;
}

.upload-box h4 {
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.upload-box p {
    margin: var(--spacing-xs) 0;
    font-size: var(--font-size-sm);
}

.file-info {
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
    margin-top: var(--spacing-sm);
}

.file-preview {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: var(--bg-secondary);
    border-radius: 8px;
    display: none;
}

.file-preview.active {
    display: block;
}

.file-preview p {
    margin: 0;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.btn-submit {
    width: 100%;
    padding: 1rem;
}

.form-note {
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
    margin-top: var(--spacing-md);
}

/* ===========================
   CONTACT SECTION
   =========================== */

.contact {
    padding: var(--spacing-2xl) var(--spacing-lg);
    background-color: var(--bg-secondary);
}

.contact h2 {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.contact-intro {
    text-align: center;
    font-size: var(--font-size-lg);
    max-width: 600px;
    margin: 0 auto var(--spacing-2xl);
}

.contact-grid {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.contact-icon-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    padding: 0;
    transition: all var(--transition-base);
    border-radius: 12px;
}

.contact-icon-svg {
    width: 60px;
    height: 60px;
    opacity: 0.8;
    transition: all var(--transition-base);
}

.contact-icon-link:hover .contact-icon-svg {
    opacity: 1;
    transform: scale(1.1);
}

.contact-icon-link.linkedin-link .contact-icon-svg {
    filter: hue-rotate(0deg) saturate(1.2);
}

.contact-icon-link.linkedin-link:hover .contact-icon-svg {
    filter: hue-rotate(0deg) saturate(1.2) brightness(1.1);
}

.contact-link {
    color: var(--accent-secondary);
    font-weight: 600;
    word-break: break-all;
}

.cta-section {
    text-align: center;
    padding: var(--spacing-xl);
    background-color: var(--bg-primary);
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.cta-section h3 {
    margin-bottom: var(--spacing-lg);
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ===========================
   MODAL
   =========================== */

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease-out;
}

.modal.active {
    display: flex;
}

.modal-content {
    background-color: var(--bg-primary);
    border-radius: 16px;
    padding: var(--spacing-2xl);
    text-align: center;
    max-width: 400px;
    box-shadow: var(--shadow-lg);
    animation: slideInFromRight 0.4s ease-out;
}

.modal-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
    color: var(--accent-secondary);
}

.modal-content h2 {
    margin-bottom: var(--spacing-md);
}

.modal-content p {
    margin-bottom: var(--spacing-lg);
}

/* ===========================
   FOOTER
   =========================== */

.footer {
    background-color: var(--bg-secondary);
    padding: var(--spacing-2xl) var(--spacing-lg) var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-section h4,
.footer-links h4 {
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.footer-section p {
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-sm);
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.social-links a {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: transparent;
    border-radius: 8px;
    border: none;
    transition: all var(--transition-fast);
    color: #000000;
    font-size: 28px;
}

.social-links a:hover {
    background-color: transparent;
    border-color: transparent;
    color: #000000;
    transform: scale(1.15);
}

html.dark-mode .social-links a {
    color: #ffffff;
}

html.dark-mode .social-links a:hover {
    color: #ffffff;
}

.social-links a[href*="linkedin"] {
    color: #000000;
}

html.dark-mode .social-links a[href*="linkedin"] {
    color: #ffffff;
}

.social-links a[href*="linkedin"]:hover {
    color: #000000;
    transform: scale(1.15);
}

html.dark-mode .social-links a[href*="linkedin"]:hover {
    color: #ffffff;
}

.social-links svg {
    width: 18px;
    height: 18px;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--accent-secondary);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--border-color);
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
}

/* ===========================
   RESPONSIVE DESIGN
   =========================== */

@media (max-width: 768px) {
    :root {
        --font-size-4xl: 2.5rem;
        --font-size-3xl: 2rem;
        --font-size-2xl: 1.5rem;
        --spacing-lg: 1.5rem;
        --spacing-xl: 2rem;
    }

    .nav-links {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .mobile-menu.active {
        display: flex;
    }

    .hero {
        padding: 100px var(--spacing-md) 60px;
    }

    .hero .container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .hero-visual {
        height: 300px;
    }

    .floating-card {
        padding: var(--spacing-md) var(--spacing-sm);
        min-width: 120px;
    }

    .card-1 {
        top: 0;
        left: 10%;
    }

    .card-2 {
        top: 120px;
        right: 10%;
    }

    .card-3 {
        bottom: 0;
        left: 5%;
    }

    .services-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

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

    .about-content {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .cta-buttons {
        flex-direction: column;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .hero-buttons .btn-primary,
    .hero-buttons .btn-secondary {
        width: 100%;
        text-align: center;
    }

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

@media (max-width: 480px) {
    :root {
        --font-size-4xl: 2rem;
        --font-size-3xl: 1.5rem;
        --spacing-lg: 1rem;
        --spacing-xl: 1.5rem;
        --spacing-2xl: 2rem;
    }

    .logo {
        font-size: var(--font-size-lg);
    }

    .nav-cta {
        display: none;
    }

    .hero {
        padding: 90px var(--spacing-md) 40px;
    }

    .section-header h2 {
        font-size: var(--font-size-2xl);
    }

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

    .modal-content {
        margin: var(--spacing-lg);
        max-width: none;
    }

    .service-list li {
        padding: var(--spacing-xs) 0;
    }

    .about-right {
        flex-direction: column;
    }
}

/* ===========================
   LINKEDIN PROFILE CARD
   =========================== */

.about-right {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.linkedin-profile-card {
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-tertiary) 100%);
    border-radius: 16px;
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    text-align: center;
    transition: all var(--transition-base);
}

.linkedin-profile-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.profile-photo {
    margin: 0 auto var(--spacing-md);
    width: 120px;
    height: 120px;
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid var(--accent-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #ff6b35 0%, #ff8c5c 100%);
}

.profile-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.profile-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.profile-name {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin: 0;
}

.profile-title {
    color: var(--text-secondary);
    font-size: var(--font-size-base);
    margin: 0;
}

.profile-connections {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: #000000;
}

html.dark-mode .profile-connections {
    color: #ffffff;
}

.connection-icon {
    width: 16px;
    height: 16px;
}

.profile-link {
    display: inline-block;
    margin-top: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: #0077B5;
    color: #ffffff;
    border-radius: 8px;
    font-size: var(--font-size-sm);
    font-weight: 600;
    transition: all var(--transition-base);
}

.profile-link:hover {
    background-color: #005885;
    color: #ffffff;
    transform: translateX(4px);
}

/* ===========================
   TESTIMONIALS SECTION
   =========================== */

.testimonials-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.testimonials-section h3 {
    font-size: var(--font-size-lg);
    margin: 0;
    color: var(--text-primary);
}

.testimonials-carousel-wrapper {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    height: 160px;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
}

.testimonials-track {
    display: flex;
    flex-direction: column;
    height: 100%;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.testimonial-card {
    flex-shrink: 0;
    height: 160px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: var(--spacing-md);
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
}

.testimonial-card:last-child {
    border-bottom: none;
}

.testimonial-text {
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    margin: 0 0 var(--spacing-sm) 0;
    font-style: italic;
    font-weight: 500;
    line-height: 1.5;
}

.testimonial-author {
    font-size: var(--font-size-sm);
    color: var(--accent-secondary);
    font-weight: 600;
    margin: 0;
}

.carousel-indicators {
    display: none;
}

.indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--border-color);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    padding: 0;
}

.indicator.active {
    background-color: var(--accent-secondary);
    width: 24px;
    border-radius: 4px;
}

.indicator:hover {
    background-color: var(--accent-secondary);
}

/* Media queries for testimonials */
@media (max-width: 768px) {
    .about-content {
        grid-template-columns: 1fr;
    }

    .testimonials-carousel-wrapper {
        height: 140px;
    }

    .testimonial-card {
        height: 140px;
        padding: var(--spacing-md);
    }
}