/* public/css/style.css */

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

/* CSS Variables for Theming */
:root {
    /* Color Palette */
    --bg-color: #f8fafc; /* Ghost White */
    --surface-color: #ffffff; /* Pure White */
    --text-primary: #0f172a; /* Midnight Slate */
    --text-secondary: #475569; /* Slate Gray */
    --accent-primary: #4338ca; /* Deep Indigo */
    --accent-primary-light: #6366f1; /* Indigo */
    --accent-secondary: #e11d48; /* Muted Rose */
    --accent-secondary-light: #fda4af;
    
    --border-light: #e2e8f0;
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.025);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -4px rgba(0, 0, 0, 0.025);
    --shadow-hover: 0 20px 25px -5px rgba(67, 56, 202, 0.1), 0 8px 10px -6px rgba(67, 56, 202, 0.05);

    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base HTML */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-family: var(--font-body);
    color: var(--text-primary);
    background-color: var(--bg-color);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

body {
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
}

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

ul {
    list-style: none;
}

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

/* Layout Classes */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: 6rem 0;
    position: relative;
}

.section-bg-white {
    background-color: var(--surface-color);
}

.section-bg-dark {
    background-color: var(--text-primary);
    color: var(--surface-color);
}

.section-bg-dark h2, .section-bg-dark p {
    color: var(--surface-color);
}

/* Typography Classes */
.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    bottom: -10px;
    left: 0;
    border-radius: 2px;
}

.section-title.center {
    text-align: center;
    display: block;
}

.section-title.center::after {
    left: 50%;
    transform: translateX(-50%);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    max-width: 600px;
}

.section-subtitle.center {
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem 0;
    z-index: 1000;
    transition: var(--transition-smooth);
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
}

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

.nav-brand {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-primary);
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-brand span {
    color: var(--text-primary);
}

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

.nav-link {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-secondary);
    position: relative;
}

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

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

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 1.75rem;
    font-weight: 600;
    font-size: 1rem;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition-smooth);
    border: none;
    font-family: var(--font-body);
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-primary-light));
    color: #fff;
    box-shadow: var(--shadow-md);
}

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

.btn-outline {
    background: transparent;
    color: var(--accent-primary);
    border: 2px solid var(--accent-primary);
}

.btn-outline:hover {
    background: var(--accent-primary);
    color: #fff;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding-top: 5rem;
    overflow: hidden;
}

/* Background blob decorations */
.hero-blob-1 {
    position: absolute;
    top: -10%;
    right: -5%;
    width: 600px;
    height: 600px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(225, 29, 72, 0.1));
    filter: blur(80px);
    border-radius: 50%;
    z-index: -1;
    animation: float 10s ease-in-out infinite;
}

.hero-blob-2 {
    position: absolute;
    bottom: -10%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: linear-gradient(135deg, rgba(67, 56, 202, 0.15), rgba(99, 102, 241, 0.05));
    filter: blur(60px);
    border-radius: 50%;
    z-index: -1;
    animation: float 12s ease-in-out infinite reverse;
}

@keyframes float {
    0% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(20px, -20px) scale(1.05); }
    100% { transform: translate(0, 0) scale(1); }
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    z-index: 1;
}

.hero-subtitle {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--accent-primary);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 1rem;
    display: block;
    animation: fadeInUp 0.8s ease backwards;
}

.hero-title {
    font-size: 4rem;
    letter-spacing: -1px;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    animation: fadeInUp 1s ease backwards 0.1s;
}

.hero-title span {
    background: linear-gradient(to right, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 1s ease backwards 0.2s;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    animation: fadeInUp 1s ease backwards 0.3s;
}

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

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.about-stats {
    display: flex;
    gap: 2rem;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-light);
}

.stat-item h4 {
    font-size: 2.5rem;
    color: var(--accent-primary);
    margin-bottom: 0.25rem;
}

.stat-item p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.about-visual {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.about-visual::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(0deg, rgba(15,23,42,0.6) 0%, rgba(15,23,42,0) 50%);
    z-index: 1;
}

.about-visual img {
    width: 100%;
    height: auto;
    transition: transform 0.8s ease;
}

.about-visual:hover img {
    transform: scale(1.05);
}

/* Skills Section */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.skill-category-card {
    background: var(--surface-color);
    border-radius: 16px;
    padding: 2.5rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.skill-category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--accent-primary);
    transform: scaleY(0);
    transition: transform 0.4s ease;
    transform-origin: bottom;
}

.skill-category-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-color: transparent;
}

.skill-category-card:hover::before {
    transform: scaleY(1);
    transform-origin: top;
}

.skill-icon {
    width: 60px;
    height: 60px;
    background: rgba(67, 56, 202, 0.1);
    color: var(--accent-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.skill-category-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

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

.skill-tag {
    background: var(--bg-color);
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid var(--border-light);
    transition: var(--transition-fast);
}

.skill-category-card:hover .skill-tag {
    background: #fff;
    border-color: var(--accent-primary-light);
    color: var(--accent-primary);
}

/* Projects Section */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
}

.project-card {
    background: var(--surface-color);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
}

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

.project-img-wrapper {
    position: relative;
    padding-top: 60%; /* Aspect ratio */
    background: var(--border-light);
    overflow: hidden;
}

.project-img-wrapper img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.project-card:hover .project-img-wrapper img {
    transform: scale(1.05);
}

.project-content {
    padding: 2rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.project-title {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.project-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    flex: 1;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.project-tech span {
    font-size: 0.75rem;
    color: var(--accent-primary);
    background: rgba(67, 56, 202, 0.1);
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.project-link {
    color: var(--accent-primary);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
}

.project-link i {
    transition: transform 0.2s ease;
}

.project-link:hover i {
    transform: translateX(4px);
}

/* Vision / CTA Section */
.vision-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.vision-text h2 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.vision-text p {
    font-size: 1.25rem;
    color: var(--border-light);
    margin-bottom: 2rem;
}

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info {
    padding-right: 2rem;
}

.contact-info p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.contact-method {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: var(--surface-color);
    border: 1px solid var(--border-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
    font-size: 1.25rem;
    box-shadow: var(--shadow-sm);
}

.contact-details h4 {
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.contact-details p {
    margin-bottom: 0;
    font-size: 1rem;
}

.contact-form {
    background: var(--surface-color);
    padding: 3rem;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
}

.form-group {
    margin-bottom: 1.5rem;
    position: relative;
}

.form-control {
    width: 100%;
    padding: 1rem;
    border: 1px solid var(--border-light);
    border-radius: 8px;
    background: var(--bg-color);
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--text-primary);
    transition: var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-primary);
    background: var(--surface-color);
    box-shadow: 0 0 0 3px rgba(67, 56, 202, 0.1);
}

textarea.form-control {
    resize: vertical;
    min-height: 150px;
}

/* Footer */
footer {
    background: var(--surface-color);
    padding: 3rem 0;
    text-align: center;
    border-top: 1px solid var(--border-light);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.social-link {
    color: var(--text-secondary);
    font-size: 1.5rem;
    transition: var(--transition-fast);
}

.social-link:hover {
    color: var(--accent-primary);
    transform: translateY(-3px);
}

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

/* Responsive Design */
@media (max-width: 1024px) {
    .vision-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none; /* Handle with JS if needed, hidden for simple MVP */
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-blob-1, .hero-blob-2 {
        display: none;
    }
    
    .about-grid, .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .section {
        padding: 4rem 0;
    }
    
    .contact-form {
        padding: 2rem;
    }
}