/* ========================================
   Emtina Digital - Portfolio Website
   Modern Design System
   ======================================== */

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

:root {
    /* Brand Colors from Logo */
    --color-primary: #2d1b2e;
    --color-primary-dark: #1a0a1e;
    --color-primary-light: #3d2b3e;

    --color-accent-pink: #ff1493;
    --color-accent-pink-light: #ff69b4;
    --color-accent-orange: #ff4500;
    --color-accent-orange-light: #ff6b35;

    /* Gradient Combinations */
    --gradient-primary: linear-gradient(135deg, var(--color-accent-pink) 0%, var(--color-accent-orange) 100%);
    --gradient-dark: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
    --gradient-overlay: linear-gradient(135deg, rgba(255, 20, 147, 0.1) 0%, rgba(255, 69, 0, 0.1) 100%);

    /* Neutral Colors */
    --color-white: #ffffff;
    --color-light: #f8f9fa;
    --color-gray-light: #e9ecef;
    --color-gray: #6c757d;
    --color-gray-dark: #343a40;
    --color-black: #000000;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Outfit', 'Inter', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 20px rgba(255, 20, 147, 0.3);

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-gray-dark);
    background: var(--color-white);
    overflow-x: hidden;
}

/* ========================================
   Typography
   ======================================== */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
    font-size: 1.5rem;
}

h5 {
    font-size: 1.25rem;
}

h6 {
    font-size: 1rem;
}

p {
    margin-bottom: var(--spacing-sm);
}

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

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

/* ========================================
   Layout & Container
   ======================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.container-fluid {
    width: 100%;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-xl) 0;
}

.section-dark {
    background: var(--gradient-dark);
    color: var(--color-white);
}

.section-dark h1,
.section-dark h2,
.section-dark h3,
.section-dark h4,
.section-dark h5,
.section-dark h6 {
    color: var(--color-white);
}

/* ========================================
   Header & Navigation
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(29, 27, 46, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    z-index: 1000;
    transition: var(--transition-normal);
}

.header.scrolled {
    background: rgba(29, 27, 46, 1);
    box-shadow: var(--shadow-lg);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
    gap: var(--spacing-md);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo img {
    height: 50px;
    width: auto;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-white);
    background: var(--gradient-primary);
    padding: 0.5rem 1.5rem;
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
}

.logo-text:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 20px rgba(255, 20, 147, 0.4);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-sm);
    align-items: center;
}

.nav-link {
    color: var(--color-white);
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

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

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.mobile-toggle span {
    width: 25px;
    height: 3px;
    background: var(--color-white);
    border-radius: 2px;
    transition: var(--transition-fast);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--gradient-dark);
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><defs><pattern id="circuit" x="0" y="0" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="2" fill="%23ff1493" opacity="0.3"/><line x1="10" y1="10" x2="50" y2="10" stroke="%23ff4500" stroke-width="1" opacity="0.2"/><line x1="50" y1="10" x2="50" y2="50" stroke="%23ff69b4" stroke-width="1" opacity="0.2"/></pattern></defs><rect width="100%" height="100%" fill="url(%23circuit)"/></svg>');
    opacity: 0.1;
    animation: circuitMove 30s linear infinite;
}

@keyframes circuitMove {
    0% {
        transform: translateX(0) translateY(0);
    }

    100% {
        transform: translateX(100px) translateY(50px);
    }
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: clamp(3rem, 6vw, 5rem);
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 1s ease;
}

.hero-subtitle {
    font-size: clamp(1.25rem, 2.5vw, 1.75rem);
    color: var(--color-gray-light);
    margin-bottom: var(--spacing-lg);
    animation: fadeInUp 1s ease 0.2s backwards;
}

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

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

.btn-primary {
    background: var(--gradient-primary);
    color: var(--color-white);
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(255, 20, 147, 0.5);
    color: var(--color-white);
}

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

.btn-outline:hover {
    background: var(--gradient-primary);
    border-color: transparent;
    color: var(--color-white);
}

.btn-group {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    animation: fadeInUp 1s ease 0.4s backwards;
}

/* ========================================
   Cards
   ======================================== */
.card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: var(--transition-normal);
}

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

.card:hover::before {
    transform: scaleX(1);
}

.card-dark {
    background: var(--color-primary);
    color: var(--color-white);
}

.card-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
    font-size: 2rem;
}

.card-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.card-text {
    color: var(--color-gray);
    line-height: 1.7;
}

.card-dark .card-text {
    color: var(--color-gray-light);
}

/* ========================================
   Grid System
   ======================================== */
.grid {
    display: grid;
    gap: var(--spacing-md);
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* ========================================
   Section Title
   ======================================== */
.section-title {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-title h2 {
    margin-bottom: var(--spacing-sm);
}

.section-title p {
    color: var(--color-gray);
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto;
}

.section-dark .section-title p {
    color: var(--color-gray-light);
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--gradient-dark);
    color: var(--color-white);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.footer-section h4 {
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.footer-section p,
.footer-section a {
    color: var(--color-gray-light);
    display: block;
    margin-bottom: var(--spacing-xs);
}

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

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

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-md);
    text-align: center;
    color: var(--color-gray-light);
}

/* ========================================
   Form Styles
   ======================================== */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--color-primary-dark);
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--color-gray-light);
    border-radius: var(--radius-sm);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-accent-pink);
    box-shadow: 0 0 0 3px rgba(255, 20, 147, 0.1);
}

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

/* ========================================
   Utilities
   ======================================== */
.text-center {
    text-align: center;
}

.text-white {
    color: var(--color-white);
}

.mb-1 {
    margin-bottom: var(--spacing-xs);
}

.mb-2 {
    margin-bottom: var(--spacing-sm);
}

.mb-3 {
    margin-bottom: var(--spacing-md);
}

.mb-4 {
    margin-bottom: var(--spacing-lg);
}

.mt-1 {
    margin-top: var(--spacing-xs);
}

.mt-2 {
    margin-top: var(--spacing-sm);
}

.mt-3 {
    margin-top: var(--spacing-md);
}

.mt-4 {
    margin-top: var(--spacing-lg);
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 768px) {
    .mobile-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--color-primary-dark);
        flex-direction: column;
        justify-content: flex-start;
        padding: var(--spacing-md);
        transition: var(--transition-normal);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-link {
        width: 100%;
        padding: var(--spacing-sm);
        text-align: center;
    }

    .section {
        padding: var(--spacing-md) 0;
    }

    .btn-group {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-xl: 3rem;
    }

    .container {
        padding: 0 var(--spacing-sm);
    }
}

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