/* ===== Google Fonts ===== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ===== CSS Variables - Dark Theme ===== */
:root {
    /* Background Colors */
    --color-bg-dark: #0f172a;
    --color-bg-card: #1e293b;
    --color-bg-card-hover: #334155;
    --color-bg-input: #0f172a;

    /* Text Colors */
    --color-text: #f1f5f9;
    --color-text-muted: #94a3b8;
    --color-text-dark: #64748b;

    /* Accent Colors */
    --color-accent: #3b82f6;
    --color-accent-light: #60a5fa;
    --color-accent-dark: #2563eb;

    /* Gradient Colors */
    --color-gradient-start: #3b82f6;
    --color-gradient-end: #8b5cf6;

    /* Utility */
    --color-border: #334155;
    --color-border-light: #475569;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 30px rgba(59, 130, 246, 0.3);

    /* Transitions */
    --transition: all 0.3s ease;
    --transition-fast: all 0.15s ease;

    /* Font */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg-dark);
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ===== Container ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    background-color: rgba(15, 23, 42, 0.95);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 90px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 700;
}

.nav-logo-text {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-gradient-end) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-logo-subtitle {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--color-text-muted);
}

.nav-logo-icon {
    flex-shrink: 0;
    border-radius: 8px;
    display: block;
    transform: translateY(2px);
}

.nav-logo:hover {
    opacity: 0.8;
}

.nav-menu {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: var(--color-text-muted);
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--color-text);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-accent) 0%, var(--color-gradient-end) 100%);
    transition: var(--transition);
}

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

.nav-link.active {
    color: var(--color-text);
}

.nav-link-cta {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-gradient-end) 100%);
    color: white !important;
    padding: 0.5rem 1.25rem;
    border-radius: 8px;
    -webkit-text-fill-color: white;
}

.nav-link-cta::after {
    display: none;
}

.nav-link-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
    opacity: 0.9;
}

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

.nav-toggle span {
    width: 25px;
    height: 2px;
    background-color: var(--color-text);
    transition: var(--transition);
}

/* Mobile Navigation Overlay */
.nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    z-index: 998;
}

.nav-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* ===== Buttons ===== */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    border-radius: 10px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-gradient-end) 100%);
    color: white;
}

.btn-primary:hover {
    opacity: 0.9;
    color: white;
}

/* ===== Section Styles ===== */
.section {
    padding: 6rem 0;
    position: relative;
}

.section-alt {
    background-color: var(--color-bg-card);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--color-text) 0%, var(--color-text-muted) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    text-align: center;
    color: var(--color-text-muted);
    font-size: 1.125rem;
    margin-bottom: 3.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ===== Hero Section ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 70px;
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(59, 130, 246, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 50%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
        var(--color-bg-dark);
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero-image {
    position: relative;
    margin-bottom: 2.5rem;
}

.hero-image img {
    width: 280px;
    height: 280px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid transparent;
    background: linear-gradient(var(--color-bg-dark), var(--color-bg-dark)) padding-box,
                linear-gradient(135deg, var(--color-accent) 0%, var(--color-gradient-end) 100%) border-box;
    box-shadow: 0 0 40px rgba(59, 130, 246, 0.2);
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    color: var(--color-text);
}

.hero-content h2 {
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--color-accent-light);
    margin-bottom: 1.5rem;
}

.hero-tagline {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    margin-bottom: 2rem;
    max-width: 550px;
    margin-left: auto;
    margin-right: auto;
}

/* ===== About Section ===== */
.about-content {
    max-width: 1000px;
    margin: 0 auto;
}

.about-intro {
    font-size: 1.125rem;
    line-height: 1.9;
    color: var(--color-text-muted);
    text-align: center;
    margin-bottom: 3rem;
    padding: 2rem;
    background: rgba(30, 41, 59, 0.5);
    border-radius: 16px;
    border: 1px solid var(--color-border);
    backdrop-filter: blur(10px);
}

.about-details {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.about-card {
    background: var(--color-bg-card);
    border-radius: 16px;
    padding: 2rem;
    border: 1px solid var(--color-border);
    transition: var(--transition);
}

.about-card:hover {
    border-color: var(--color-accent);
}

.about-card h3 {
    font-size: 1.25rem;
    color: var(--color-text);
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--color-accent);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.about-card h3 svg {
    width: 24px;
    height: 24px;
    color: var(--color-accent);
}

.about-strengths ul,
.about-education ul,
.about-focus ul,
.about-languages ul {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.about-strengths li,
.about-focus li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--color-text-muted);
}

.about-strengths li::before,
.about-focus li::before {
    content: '';
    width: 8px;
    height: 8px;
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-gradient-end) 100%);
    border-radius: 50%;
    flex-shrink: 0;
}

.about-education li,
.about-languages li {
    line-height: 1.6;
    color: var(--color-text-muted);
    padding-left: 1.5rem;
    position: relative;
}

.about-education li::before,
.about-languages li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.5rem;
    width: 8px;
    height: 8px;
    background: var(--color-accent);
    border-radius: 50%;
}

.about-education li strong,
.about-languages li strong {
    color: var(--color-text);
    display: block;
}

/* ===== Skills Section ===== */
.skills-container {
    max-width: 1000px;
    margin: 0 auto;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.skill-category {
    background: var(--color-bg-card);
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid var(--color-border);
    transition: var(--transition);
}

.skill-category:hover {
    border-color: var(--color-accent);
}

.skill-category h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.skill-category h3 svg {
    width: 22px;
    height: 22px;
    color: var(--color-accent);
    flex-shrink: 0;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.skill-tag {
    background: var(--color-bg-dark);
    color: var(--color-text-muted);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    border: 1px solid var(--color-border);
    transition: var(--transition);
}

.skill-tag:hover {
    border-color: var(--color-accent);
    color: var(--color-text);
}

/* ===== Industries Section ===== */
.industries-section {
    padding: 4rem 0;
    background: linear-gradient(180deg, var(--color-bg-dark) 0%, var(--color-bg-card) 50%, var(--color-bg-dark) 100%);
}

.industries-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    max-width: 900px;
    margin: 0 auto;
}

.industry-badge {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--color-bg-card);
    padding: 1rem 1.5rem;
    border-radius: 50px;
    border: 1px solid var(--color-border);
    transition: var(--transition);
}

.industry-badge:hover {
    border-color: var(--color-accent);
}

.industry-badge svg {
    width: 24px;
    height: 24px;
    color: var(--color-accent);
}

.industry-badge span {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text);
}

/* ===== Projects Section ===== */
.projects-container {
    max-width: 1100px;
    margin: 0 auto;
}

/* Featured Projects */
.featured-projects {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
}

.project-card {
    display: flex;
    flex-direction: column;
    background: var(--color-bg-card);
    border-radius: 16px;
    padding: 2rem;
    border: 1px solid var(--color-border);
    transition: var(--transition);
    position: relative;
}

.project-card:hover {
    border-color: var(--color-accent);
}

.project-card.featured {
    grid-column: span 2;
}

.project-header {
    margin-bottom: 1.5rem;
}

.project-header h3 {
    font-size: 1.25rem;
    color: var(--color-text);
    margin-bottom: 1rem;
    padding-right: 3rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.project-header h3 svg {
    width: 24px;
    height: 24px;
    color: var(--color-accent);
    flex-shrink: 0;
}

.project-header h3 a {
    color: var(--color-text);
    text-decoration: none;
    transition: var(--transition);
}

.project-header h3 a:hover {
    color: var(--color-accent);
}

.project-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.project-industry {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-gradient-end) 100%);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

.project-tech {
    background: var(--color-bg-dark);
    color: var(--color-text-muted);
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-size: 0.75rem;
    border: 1px solid var(--color-border);
}

.project-link {
    display: inline-flex;
    align-items: center;
    align-self: flex-start;
    gap: 0.375rem;
    margin-top: auto;
    padding: 0.375rem 0.875rem;
    font-size: 0.8rem;
    font-weight: 500;
    color: white;
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-gradient-end) 100%);
    border-radius: 20px;
    text-decoration: none;
    transition: var(--transition);
}

.project-achievements + .project-link,
.project-summary + .project-link {
    margin-top: 1rem;
}

.project-link:hover {
    background: linear-gradient(135deg, #1d4ed8 0%, #7c3aed 100%);
    transform: translateY(-2px) scale(1.02);
    box-shadow:
        0 4px 15px rgba(59, 130, 246, 0.5),
        0 0 20px rgba(139, 92, 246, 0.3);
    text-decoration: none;
}

.project-link::after {
    content: '';
    display: inline-block;
    width: 12px;
    height: 12px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M18 13v6a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V8a2 2 0 0 1 2-2h6'/%3E%3Cpolyline points='15 3 21 3 21 9'/%3E%3Cline x1='10' y1='14' x2='21' y2='3'/%3E%3C/svg%3E");
    background-size: contain;
    background-repeat: no-repeat;
}

.project-achievements {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.project-achievements li {
    padding-left: 1.5rem;
    position: relative;
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    line-height: 1.6;
}

.project-achievements li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.6rem;
    width: 6px;
    height: 6px;
    background: var(--color-accent);
    border-radius: 50%;
}

/* Other Projects - Compact List */
.other-projects {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.project-card-compact {
    display: flex;
    flex-direction: column;
    background: var(--color-bg-card);
    border-radius: 12px;
    padding: 1.5rem;
    border: 1px solid var(--color-border);
    transition: var(--transition);
}

.project-card-compact:hover {
    border-color: var(--color-accent);
}

.project-card-compact h3 {
    font-size: 1rem;
    color: var(--color-text);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.project-card-compact h3 svg {
    width: 20px;
    height: 20px;
    color: var(--color-accent);
    flex-shrink: 0;
}

.project-card-compact .project-meta {
    margin-bottom: 0.75rem;
}

.project-card-compact .project-summary {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    line-height: 1.6;
}

/* ===== Contact Section ===== */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info h3 {
    font-size: 1.5rem;
    color: var(--color-text);
    margin-bottom: 1rem;
}

.contact-info > p {
    color: var(--color-text-muted);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--color-bg-card);
    border-radius: 12px;
    border: 1px solid var(--color-border);
    transition: var(--transition);
}

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

.contact-item svg {
    width: 24px;
    height: 24px;
    color: var(--color-accent);
    flex-shrink: 0;
}

.contact-item a,
.contact-item span {
    color: var(--color-text-muted);
    font-size: 0.9375rem;
}

.contact-item a:hover {
    color: var(--color-accent);
}

/* Contact Form */
.contact-form-container {
    background: var(--color-bg-card);
    padding: 2.5rem;
    border-radius: 16px;
    border: 1px solid var(--color-border);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 500;
    color: var(--color-text);
    font-size: 0.9375rem;
}

.form-group input,
.form-group textarea {
    padding: 1rem 1.25rem;
    border: 1px solid var(--color-border);
    border-radius: 10px;
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
    background-color: var(--color-bg-input);
    color: var(--color-text);
}

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

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 140px;
}

.btn-submit {
    align-self: flex-start;
}

/* ===== Footer ===== */
.footer {
    background-color: var(--color-bg-card);
    border-top: 1px solid var(--color-border);
    padding: 2rem 0;
    text-align: center;
}

.footer p {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.footer a {
    color: var(--color-text-muted);
    transition: var(--transition);
}

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

.footer .container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.social-link {
    color: var(--color-text-muted);
    transition: color 0.2s ease;
    margin-left: 1rem;
}

.social-link:hover {
    color: var(--color-accent);
}

/* ===== Legal Pages ===== */
.legal-page {
    padding-top: 100px;
    padding-bottom: 4rem;
    min-height: 100vh;
    background: var(--color-bg-dark);
}

.legal-content {
    max-width: 800px;
    margin: 0 auto;
}

/* ===== Thank You Page ===== */
.thank-you-page {
    display: flex;
    align-items: center;
    justify-content: center;
}

.thank-you-content {
    text-align: center;
    max-width: 500px;
    margin: 0 auto;
}

.thank-you-icon {
    width: 80px;
    height: 80px;
    color: #22c55e;
    margin-bottom: 2rem;
}

.thank-you-content h1 {
    font-size: 2rem;
    color: var(--color-text);
    margin-bottom: 1rem;
}

.thank-you-content p {
    color: var(--color-text-muted);
    font-size: 1.125rem;
    margin-bottom: 2rem;
}

.thank-you-content .btn {
    display: inline-block;
}

.legal-content h1 {
    color: var(--color-text);
    margin-bottom: 2rem;
    font-size: 2.5rem;
}

.legal-content h2 {
    color: var(--color-text);
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.legal-content h3 {
    color: var(--color-text);
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    font-size: 1.1rem;
}

.legal-content p,
.legal-content li {
    margin-bottom: 1rem;
    line-height: 1.8;
    color: var(--color-text-muted);
}

.legal-content ul {
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}

.legal-content ul li {
    list-style: disc;
    margin-bottom: 0.5rem;
}

.legal-content a {
    color: var(--color-accent);
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 2rem;
    color: var(--color-accent);
    font-weight: 500;
}

.back-link:hover {
    color: var(--color-accent-light);
}

/* ===== Responsive Design ===== */
@media (max-width: 992px) {
    .hero-container {
        padding-top: 3rem;
    }

    .hero-content h1 {
        font-size: 2.75rem;
    }

    .about-details {
        grid-template-columns: 1fr 1fr;
        gap: 1.5rem;
    }

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

    .featured-projects {
        grid-template-columns: 1fr;
    }

    .project-card.featured {
        grid-column: span 1;
    }

    .other-projects {
        grid-template-columns: 1fr;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background: rgba(15, 23, 42, 0.95);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        flex-direction: column;
        padding: 1.5rem;
        gap: 0.5rem;
        border-bottom: 1px solid var(--color-border);
        box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
        transform: translateY(-150%);
        opacity: 0;
        transition: transform 0.3s ease, opacity 0.3s ease;
        z-index: 999;
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
    }

    /* Larger Touch Targets */
    .nav-menu .nav-link {
        display: block;
        padding: 1rem 1.5rem;
        font-size: 1.1rem;
        border-radius: 8px;
        transition: background-color 0.2s ease, color 0.2s ease;
    }

    .nav-menu .nav-link:hover {
        background: rgba(59, 130, 246, 0.1);
    }

    .nav-menu .nav-link::after {
        display: none;
    }

    /* CTA Button in Mobile Menu */
    .nav-menu .nav-link-cta {
        margin-top: 0.5rem;
        text-align: center;
    }

    /* Staggered Animation */
    .nav-menu.active li {
        animation: fadeInUp 0.3s ease forwards;
        opacity: 0;
    }

    .nav-menu.active li:nth-child(1) { animation-delay: 0.05s; }
    .nav-menu.active li:nth-child(2) { animation-delay: 0.1s; }
    .nav-menu.active li:nth-child(3) { animation-delay: 0.15s; }
    .nav-menu.active li:nth-child(4) { animation-delay: 0.2s; }
    .nav-menu.active li:nth-child(5) { animation-delay: 0.25s; }

    @keyframes fadeInUp {
        from {
            opacity: 0;
            transform: translateY(-10px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .section {
        padding: 4rem 0;
    }

    .section-title {
        font-size: 2rem;
    }

    .hero {
        min-height: auto;
        padding-top: 100px;
        padding-bottom: 3rem;
    }

    .hero-image img {
        width: 200px;
        height: 200px;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-content h2 {
        font-size: 1.25rem;
    }

    .hero-tagline {
        font-size: 1rem;
    }

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

    .industries-container {
        gap: 0.75rem;
    }

    .industry-badge {
        padding: 0.75rem 1rem;
    }

    .industry-badge span {
        font-size: 0.875rem;
    }

    .contact-form-container {
        padding: 1.5rem;
    }

    .btn-submit {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    .hero-image img {
        width: 180px;
        height: 180px;
    }

    .hero-content h1 {
        font-size: 1.75rem;
    }

    .project-card {
        padding: 1.5rem;
    }

    .project-number {
        font-size: 2rem;
    }
}