/* ===== RESET & VARIABLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #667eea;
    --secondary: #48ac4da9;
    --accent: #0a0a09;
    --text-dark: #1a202c;
    --text-light: #151618;
    --bg-light: #e6dcdb;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', -apple-system, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-light);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== NAVBAR ===== */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(64, 74, 207, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: all 0.3s;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    transition: width 0.3s;
}

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

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary);
    transition: all 0.3s;
}

/* ===== HERO ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    padding: 100px 20px 50px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    top: -250px;
    right: -250px;
    animation: float 6s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    bottom: -200px;
    left: -200px;
    animation: float 8s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-30px); }
}

.hero-content {
    text-align: center;
    color: white;
    z-index: 1;
    max-width: 800px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.gradient-text {
    background: linear-gradient(90deg, #e70b0b, #0a0a09);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: all 0.8s ease;
}

.gradient-text.scrolled {
    background: linear-gradient(90deg, #ff8c00, #1e90ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    opacity: 0.95;
}

.hero-description {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 2rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
}

.btn-primary {
    background: white;
    color: var(--primary);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid white;
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: white;
    color: var(--primary);
}

/* ===== SECTIONS ===== */
.about-section,
.skills-section,
.contact-section,
.projects-section {
    padding: 80px 20px;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.title-underline {
    width: 80px;
    height: 4px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    margin: 0 auto;
    border-radius: 2px;
}

/* ===== ABOUT ===== */
.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
}

.about-text p {
    color: var(--text-light);
    font-size: 1.1rem;
    margin-bottom: 1rem;
    line-height: 1.8;
}

.about-intro {
    font-size: 1.3rem !important;
    color: var(--text-dark) !important;
    font-weight: 500;
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.stat-card {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    transition: all 0.3s;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.stat-card h3 {
    font-size: 2.5rem;
    margin-bottom: 5px;
}

/* ===== SKILLS ===== */
.skills-section {
    background: white;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.skill-card {
    background: var(--bg-light);
    padding: 30px;
    border-radius: 15px;
    transition: all 0.3s;
    border: 2px solid transparent;
}

.skill-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    border-color: var(--primary);
}

.skill-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.skill-icon svg {
    width: 30px;
    height: 30px;
    color: white;
}

.skill-card h3 {
    font-size: 1.4rem;
    margin-bottom: 10px;
}

.skill-card p {
    color: var(--text-light);
    margin-bottom: 15px;
}

.skill-bar {
    width: 100%;
    height: 8px;
    background: #e2e8f0;
    border-radius: 10px;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 10px;
    transition: width 1s ease-out;
}

/* ===== CONTACT ===== */
.contact-section {
    background: rgb(42, 97, 74);
}

.contact-info {
    max-width: 600px;
    margin: 0 auto;
}

.info-card {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    padding: 40px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.info-icon {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
}

.info-icon svg {
    width: 30px;
    height: 30px;
}

.info-card h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.info-card p {
    font-size: 1.1rem;
    opacity: 0.95;
}

/* ===== PROJECTS PAGE ===== */
.back-button-container {
    padding: 90px 20px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.back-button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.back-button svg {
    width: 20px;
    height: 20px;
}

.back-button:hover {
    transform: translateX(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.projects-hero {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    padding: 80px 20px;
    text-align: center;
}

.page-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.page-subtitle {
    font-size: 1.2rem;
    opacity: 0.95;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 30px;
}

.project-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: all 0.3s;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.project-image {
    position: relative;
    overflow: hidden;
    height: 220px;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.3s;
}

.project-card:hover .project-image img {
    transform: scale(1.1);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(102, 126, 234, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.3s;
}

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

.project-link {
    padding: 12px 28px;
    background: white;
    color: var(--primary);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s;
}

.project-link:hover {
    transform: scale(1.05);
}

.project-content {
    padding: 25px;
}

.project-content h3 {
    font-size: 1.4rem;
    margin-bottom: 10px;
}

.project-content p {
    color: var(--text-light);
    margin-bottom: 15px;
}

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

.tag {
    padding: 6px 14px;
    background: var(--bg-light);
    color: var(--primary);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--text-dark);
    color: white;
    padding: 30px 20px;
    text-align: center;
}

.footer p {
    opacity: 0.8;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: white;
        width: 100%;
        text-align: center;
        transition: all 0.3s;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
        padding: 20px 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .page-title {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
}