/* ===================================
   EVERYDAY SYSTEMS - DESIGN SYSTEM
   Modern, Neutral, Professional
   =================================== */

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

/* === CSS VARIABLES === */
:root {
    /* Colors - Vibrant Palette */
    --color-bg-primary: #fafbff;
    --color-bg-secondary: #ffffff;
    --color-bg-tertiary: #f8f9ff;
    --color-bg-dark: #0f0f1e;
    --color-bg-overlay: rgba(255, 255, 255, 0.85);

    --color-text-primary: #1a1a2e;
    --color-text-secondary: #4a4a5e;
    --color-text-tertiary: #737388;
    --color-text-light: #ffffff;

    /* Vibrant Accent Colors */
    --color-accent-primary: #6366f1;
    --color-accent-secondary: #8b5cf6;
    --color-accent-tertiary: #06b6d4;
    --color-accent-subtle: #e0e7ff;
    --color-accent-hover: #4f46e5;

    --color-border: #e5e7eb;
    --color-border-light: #f3f4f6;

    /* Beautiful Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-tertiary: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-accent: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
    --gradient-purple-blue: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-blue-cyan: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
    --gradient-pink-orange: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-subtle: linear-gradient(135deg, #fafbff 0%, #f0f4ff 100%);
    --gradient-overlay: linear-gradient(180deg, rgba(102, 126, 234, 0.9) 0%, rgba(118, 75, 162, 0.7) 100%);
    --gradient-mesh: radial-gradient(at 40% 20%, hsla(240, 100%, 70%, 0.15) 0px, transparent 50%),
        radial-gradient(at 80% 0%, hsla(280, 100%, 70%, 0.15) 0px, transparent 50%),
        radial-gradient(at 0% 50%, hsla(200, 100%, 70%, 0.15) 0px, transparent 50%);

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

    --font-size-xs: 0.75rem;
    /* 12px */
    --font-size-sm: 0.875rem;
    /* 14px */
    --font-size-base: 1rem;
    /* 16px */
    --font-size-lg: 1.125rem;
    /* 18px */
    --font-size-xl: 1.25rem;
    /* 20px */
    --font-size-2xl: 1.5rem;
    /* 24px */
    --font-size-3xl: 1.875rem;
    /* 30px */
    --font-size-4xl: 2.25rem;
    /* 36px */
    --font-size-5xl: 3rem;
    /* 48px */
    --font-size-6xl: 3.75rem;
    /* 60px */

    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    --line-height-tight: 1.2;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;

    /* Spacing */
    --space-xs: 0.5rem;
    /* 8px */
    --space-sm: 1rem;
    /* 16px */
    --space-md: 1.5rem;
    /* 24px */
    --space-lg: 2rem;
    /* 32px */
    --space-xl: 3rem;
    /* 48px */
    --space-2xl: 4rem;
    /* 64px */
    --space-3xl: 6rem;
    /* 96px */
    --space-4xl: 8rem;
    /* 128px */

    /* Layout */
    --container-max-width: 1200px;
    --container-padding: var(--space-lg);
    --section-padding: var(--space-3xl);

    /* Border Radius */
    --radius-sm: 0.375rem;
    /* 6px */
    --radius-md: 0.5rem;
    /* 8px */
    --radius-lg: 0.75rem;
    /* 12px */
    --radius-xl: 1rem;
    /* 16px */
    --radius-2xl: 1.5rem;
    /* 24px */
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 250ms ease-in-out;
    --transition-slow: 400ms ease-in-out;

    /* Z-index */
    --z-base: 1;
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal: 400;
    --z-popover: 500;
    --z-tooltip: 600;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    overflow-x: hidden;
}

/* === TYPOGRAPHY === */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-display);
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-tight);
    color: var(--color-text-primary);
    margin-bottom: var(--space-md);
}

h1 {
    font-size: var(--font-size-5xl);
}

h2 {
    font-size: var(--font-size-4xl);
}

h3 {
    font-size: var(--font-size-3xl);
}

h4 {
    font-size: var(--font-size-2xl);
}

h5 {
    font-size: var(--font-size-xl);
}

h6 {
    font-size: var(--font-size-lg);
}

p {
    margin-bottom: var(--space-sm);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

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

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

/* === LAYOUT === */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

section {
    padding: var(--section-padding) 0;
}

/* === COMPONENTS === */

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-lg);
    font-family: var(--font-display);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--color-text-light);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px -5px rgba(102, 126, 234, 0.4), 0 8px 10px -6px rgba(118, 75, 162, 0.3);
}

.btn-secondary {
    background: var(--color-bg-secondary);
    color: var(--color-text-primary);
    border: 2px solid var(--color-border);
}

.btn-secondary:hover {
    border-color: var(--color-accent-primary);
    background: var(--color-bg-tertiary);
}

/* Cards */
.card {
    background: var(--color-bg-secondary);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 1px solid var(--color-border-light);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px -10px rgba(102, 126, 234, 0.2), 0 10px 20px -8px rgba(118, 75, 162, 0.15);
}

/* Glassmorphism Effect */
.glass {
    background: var(--color-bg-overlay);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

/* === NAVIGATION === */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    background: var(--color-bg-overlay);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border-light);
    transition: all var(--transition-base);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-sm) var(--container-padding);
    max-width: var(--container-max-width);
    margin: 0 auto;
}

.logo {
    font-family: var(--font-display);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: var(--space-lg);
    list-style: none;
    align-items: center;
}

.nav-links a {
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-base);
}

.nav-links a:hover {
    color: var(--color-text-primary);
}

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

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-xs);
}

.menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    transition: all var(--transition-base);
}

/* === HERO SECTION === */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    background: var(--gradient-subtle);
    background-image: var(--gradient-mesh);
    padding-top: 80px;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    z-index: var(--z-base);
}

.hero h1 {
    font-size: var(--font-size-6xl);
    margin-bottom: var(--space-md);
    animation: fadeInUp 0.8s ease-out;
}

.hero .subtitle {
    font-size: var(--font-size-xl);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xl);
    line-height: var(--line-height-relaxed);
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-cta {
    display: flex;
    gap: var(--space-sm);
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-visual {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    max-width: 1000px;
    opacity: 0.1;
    z-index: 0;
    pointer-events: none;
}

/* === SERVICES SECTION === */
.services {
    background: var(--color-bg-secondary);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-3xl);
}

.section-header h2 {
    margin-bottom: var(--space-sm);
}

.section-header p {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
}

.service-card {
    text-align: center;
}

.service-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-md);
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-3xl);
    color: var(--color-text-light);
    transition: transform var(--transition-base);
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
}

/* Unique gradient for each service icon */
.service-card:nth-child(1) .service-icon {
    background: var(--gradient-primary);
}

.service-card:nth-child(2) .service-icon {
    background: var(--gradient-secondary);
}

.service-card:nth-child(3) .service-icon {
    background: var(--gradient-tertiary);
}

.service-card:nth-child(4) .service-icon {
    background: var(--gradient-accent);
}

.service-card:nth-child(5) .service-icon {
    background: var(--gradient-blue-cyan);
}

.service-card:nth-child(6) .service-icon {
    background: var(--gradient-pink-orange);
}

.service-card h3 {
    margin-bottom: var(--space-sm);
}

.service-card p {
    color: var(--color-text-tertiary);
}

/* === PORTFOLIO SECTION === */
.portfolio {
    background: var(--color-bg-primary);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-xl);
}

.portfolio-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-xl);
    aspect-ratio: 16 / 10;
    background: var(--color-bg-tertiary);
}

.portfolio-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: var(--gradient-overlay);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--space-lg);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.portfolio-item:hover img {
    transform: scale(1.05);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-overlay h3 {
    color: var(--color-text-light);
    margin-bottom: var(--space-xs);
}

.portfolio-overlay p {
    color: rgba(255, 255, 255, 0.9);
}

/* Tech Badges */
.tech-badge {
    display: inline-block;
    padding: var(--space-xs) var(--space-sm);
    background: var(--color-accent-subtle);
    color: var(--color-accent-primary);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    transition: all var(--transition-fast);
}

.tech-badge:hover {
    background: var(--color-accent-primary);
    color: var(--color-text-light);
    transform: translateY(-2px);
}

/* Personal Projects Section */
.personal-projects {
    background: var(--color-bg-tertiary);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
}

.project-card {
    background: var(--color-bg-secondary);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    text-decoration: none;
    display: block;
    border: 1px solid var(--color-border-light);
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px -10px rgba(102, 126, 234, 0.3);
}

.project-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.project-card h3 {
    padding: var(--space-md) var(--space-lg) var(--space-xs);
    color: var(--color-text-primary);
    margin: 0;
}

.project-card p {
    padding: 0 var(--space-lg) var(--space-lg);
    color: var(--color-text-tertiary);
    margin: 0;
}


/* === CONTACT SECTION === */
.contact {
    background: var(--color-bg-secondary);
}

.contact-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-top: var(--space-xl);
}

.contact-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
}

.contact-item svg {
    width: 24px;
    height: 24px;
}

/* === FOOTER === */
.footer {
    background: var(--color-bg-dark);
    color: var(--color-text-light);
    padding: var(--space-2xl) 0 var(--space-lg);
    text-align: center;
}

.footer-content {
    margin-bottom: var(--space-lg);
}

.footer-logo {
    font-family: var(--font-display);
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-sm);
}

.footer p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--space-md);
}

.social-links {
    display: flex;
    gap: var(--space-sm);
    justify-content: center;
    list-style: none;
}

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    color: var(--color-text-light);
    transition: all var(--transition-base);
}

.social-links a:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.footer-bottom {
    padding-top: var(--space-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
    font-size: var(--font-size-sm);
}

/* === ANIMATIONS === */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    opacity: 0;
    animation: fadeInUp 0.6s ease-out forwards;
}

/* Scroll reveal animation */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    animation: bounce 2s infinite;
    cursor: pointer;
    z-index: 10;
}

.scroll-indicator svg {
    width: 24px;
    height: 24px;
    opacity: 0.6;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
    :root {
        --font-size-6xl: 2.5rem;
        --font-size-5xl: 2rem;
        --font-size-4xl: 1.75rem;
        --section-padding: var(--space-2xl);
    }

    .menu-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--color-bg-secondary);
        padding: var(--space-lg);
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        transition: all var(--transition-base);
        pointer-events: none;
    }

    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 300px;
    }

    .services-grid,
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    :root {
        --container-padding: var(--space-sm);
    }

    .card {
        padding: var(--space-lg);
    }
}