:root {
    --bg-color: #0d0f12;
    --surface-color: #1a1d23;
    --accent-color: #00d4ff;
    --accent-secondary: #ffb400;
    --text-primary: #ffffff;
    --text-secondary: #94a3b8;
    --border-color: rgba(255, 255, 255, 0.1);
    --nav-height: 80px;
    --section-padding: 100px;
    --container-width: 1200px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

h1,
h2,
h3,
.logo-text {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* Navbar */
.navbar {
    height: var(--nav-height);
    display: flex;
    align-items: center;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(13, 15, 18, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

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

.logo-text {
    font-size: 1.5rem;
    letter-spacing: 2px;
    color: var(--accent-color);
}

.logo-subtext {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--accent-color);
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--accent-color);
    border-radius: 2px;
}

.nav-links img {
    width: 20px;
}

.lang-switcher {
    display: flex;
    gap: 8px;
    margin-left: 16px;
    border-left: 1px solid var(--border-color);
    padding-left: 16px;
}

.lang-btn {
    background: transparent;
    border: 1px solid transparent;
    color: var(--text-secondary);
    font-family: inherit;
    font-weight: 600;
    cursor: pointer;
    font-size: 0.8rem;
    padding: 4px 8px;
    border-radius: 4px;
    transition: var(--transition);
}

.lang-btn:hover {
    color: var(--accent-color);
}

.lang-btn.active {
    background: rgba(0, 212, 255, 0.1);
    color: var(--accent-color);
    border-color: rgba(0, 212, 255, 0.2);
}

/* Buttons */
.btn-primary {
    background: var(--accent-color);
    color: #000;
    padding: 12px 28px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 212, 255, 0.3);
}

.btn-outline {
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 12px 28px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--accent-color);
}

/* Hero Section */
.hero {
    padding-top: calc(var(--nav-height) + 60px);
    padding-bottom: var(--section-padding);
    background: radial-gradient(circle at 80% 20%, rgba(0, 212, 255, 0.05) 0%, transparent 50%);
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 24px;
}

.hero-content h1 span {
    color: var(--accent-color);
    display: block;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(0, 212, 255, 0.1);
    color: var(--accent-color);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 24px;
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.hero-description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 500px;
}

.hero-actions {
    display: flex;
    gap: 20px;
}

.hero-image {
    position: relative;
}

.hero-image img {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    border: 1px solid var(--border-color);
}

.experience-card {
    position: absolute;
    bottom: -30px;
    left: -30px;
    background: var(--surface-color);
    padding: 24px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.experience-card .number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-secondary);
}

.experience-card .label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
}

/* Focus Section */
.focus-section {
    padding: var(--section-padding) 0;
    background: var(--surface-color);
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 50px;
}

.focus-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
}

.focus-card {
    background: var(--bg-color);
    padding: 32px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.focus-card:hover {
    border-color: var(--accent-color);
    transform: translateY(-5px);
}

.focus-card i {
    width: 48px;
    height: 48px;
    color: var(--accent-color);
    margin-bottom: 24px;
}

.focus-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
}

/* Values Section */
.values-section {
    padding: var(--section-padding) 0;
}

.values-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.values-list {
    list-style: none;
    margin: 32px 0;
}

.values-list li {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 1.2rem;
    margin-bottom: 20px;
    font-weight: 500;
}

.values-list i {
    color: var(--accent-secondary);
}

.tagline {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-secondary);
    opacity: 0.5;
}

.quote-box {
    background: linear-gradient(135deg, #1a1d23 0%, #0d0f12 100%);
    padding: 60px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    position: relative;
    text-align: center;
}

.quote-box .icon-main {
    width: 60px;
    height: 60px;
    color: var(--accent-secondary);
    margin-bottom: 30px;
}

.quote-box h3 {
    font-size: 2rem;
    margin-bottom: 20px;
}

.quote-box p {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--accent-color);
    margin-bottom: 10px;
}

.quote-box span {
    color: var(--text-secondary);
}

/* About Section */
.about-section {
    padding: var(--section-padding) 0;
    background: var(--bg-color);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.about-card {
    background: var(--surface-color);
    padding: 24px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    text-align: center;
    transition: var(--transition);
}

.about-card:hover {
    border-color: var(--accent-color);
    transform: translateY(-5px);
}

.about-card i {
    width: 32px;
    height: 32px;
    color: var(--accent-color);
    margin-bottom: 16px;
}

.about-card p {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-primary);
}

/* Skills Section */
.skills-section {
    padding: var(--section-padding) 0;
    background: var(--surface-color);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-top: 40px;
}

.skill-item {
    background: var(--bg-color);
    padding: 30px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 20px;
    transition: var(--transition);
}

.skill-item:hover {
    border-color: var(--accent-secondary);
    background: rgba(255, 180, 0, 0.05);
}

.skill-icon {
    width: 50px;
    height: 50px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-color);
    flex-shrink: 0;
}

.skill-item h3 {
    font-size: 1.1rem;
    font-weight: 600;
}

/* Pain Points */
.pain-section {
    padding: var(--section-padding) 0;
    background: var(--surface-color);
}

.center {
    text-align: center;
}

.pain-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
    margin-top: 60px;
}

.pain-item {
    background: var(--bg-color);
    padding: 24px;
    border-left: 4px solid #ff4b2b;
    border-radius: 0 8px 8px 0;
}

.pain-item p {
    font-size: 1.1rem;
    font-weight: 500;
}

/* Technical Section */
.technical-section {
    padding: var(--section-padding) 0;
}

.technical-card {
    background: #ffffff;
    color: #0d0f12;
    padding: 80px;
    border-radius: 24px;
    max-width: 900px;
    margin: 0 auto;
}

.card-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #f1f5f9;
    padding: 6px 14px;
    border-radius: 4px;
    font-weight: 600;
    font-size: 0.8rem;
    margin-bottom: 24px;
}

.technical-card h2 {
    font-size: 3rem;
    margin-bottom: 8px;
}

.subtitle {
    font-weight: 600;
    margin-bottom: 40px;
    font-size: 1.2rem;
}

.tech-list {
    list-style: none;
    margin-bottom: 50px;
}

.tech-list li {
    font-size: 1.2rem;
    margin-bottom: 16px;
    padding-left: 24px;
    position: relative;
}

.tech-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: 900;
}

.btn-primary.large {
    display: inline-block;
    padding: 18px 48px;
    font-size: 1.1rem;
}

/* Footer */
.footer {
    padding: 60px 0;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-brand .logo-text {
    font-size: 1.2rem;
    margin-bottom: 8px;
}

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

.visit-counter {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.visit-counter #counter-value {
    color: var(--accent-color);
    font-weight: 600;
    transition: var(--transition);
}

/* Animations */
[data-reveal] {
    opacity: 0;
    transition: 1s cubic-bezier(0.2, 0.8, 0.2, 1);
}

[data-reveal="left"] {
    transform: translateX(-50px);
}

[data-reveal="right"] {
    transform: translateX(50px);
}

[data-reveal="bottom"] {
    transform: translateY(50px);
}

[data-reveal].active {
    opacity: 1;
    transform: translate(0, 0);
}

/* Responsive */
@media (max-width: 992px) {

    .hero .container,
    .values-wrapper {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content h1 {
        font-size: 3rem;
    }

    .hero-actions,
    .hero-description {
        justify-content: center;
        margin-left: auto;
        margin-right: auto;
    }

    .hero-image {
        order: -1;
    }

    .experience-card {
        display: none;
    }

    .technical-card {
        padding: 40px;
    }
}

/* Email Button Wrapper */
.email-btn-wrapper {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
}

.email-btn-wrapper.center {
    align-items: center;
}

.email-hint {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
    opacity: 0.8;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: var(--surface-color);
    margin: 10% auto;
    padding: 40px;
    border: 1px solid var(--border-color);
    width: 85%;
    max-width: 600px;
    border-radius: 12px;
    position: relative;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.modal-content h2 {
    color: var(--accent-color);
    margin-bottom: 20px;
}

.close-modal {
    position: absolute;
    right: 20px;
    top: 15px;
    color: var(--text-secondary);
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.close-modal:hover {
    color: var(--accent-color);
}

.footer-info a {
    color: var(--accent-color);
    text-decoration: none;
    margin-left: 10px;
}

.footer-info a:hover {
    text-decoration: underline;
}