/* ===== DESIGN SYSTEM VARIABLES ===== */
:root {
    /* Color Palette */
    --color-primary-blue: #1a1a2e;        /* Midnight blue for structure */
    --color-accent-magenta: #e94560;       /* Vibrant magenta for creativity */
    --color-neutral-grey: #f5f5f5;         /* Light grey for balance */
    --color-highlight-yellow: #ffd700;     /* Yellow for highlights */
    
    /* Text Colors */
    --color-text-dark: #333333;            /* Primary text */
    --color-text-medium: #666666;          /* Secondary text */
    --color-text-light: #cccccc;           /* Light text */
    --color-text-white: #ffffff;           /* White text */
    
    /* Additional Colors */
    --color-success: #28a745;
    --color-error: #dc3545;
    --color-warning: #ffc107;
    --color-info: #17a2b8;
    
    /* Background Colors */
    --color-bg-primary: #ffffff;
    --color-bg-secondary: #f5f5f5;
    --color-bg-dark: #1a1a2e;
    
    /* Typography */
    --font-primary: 'Poppins', sans-serif;     /* Headings and navigation */
    --font-secondary: 'Open Sans', sans-serif; /* Body text */
    
    /* Font Sizes - Typography Scale */
    --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 Weights */
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Line Heights */
    --line-height-tight: 1.25;
    --line-height-snug: 1.375;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.625;
    --line-height-loose: 2;
    
    /* Spacing System - Base unit: 8px */
    --space-1: 0.5rem;    /* 8px */
    --space-2: 1rem;      /* 16px */
    --space-3: 1.5rem;    /* 24px */
    --space-4: 2rem;      /* 32px */
    --space-5: 2.5rem;    /* 40px */
    --space-6: 3rem;      /* 48px */
    --space-8: 4rem;      /* 64px */
    --space-10: 5rem;     /* 80px */
    --space-12: 6rem;     /* 96px */
    --space-16: 8rem;     /* 128px */
    --space-20: 10rem;    /* 160px */
    
    /* Container and Layout */
    --container-max-width: 1200px;
    --container-padding: var(--space-3);
    --section-padding-y: var(--space-12);
    --section-padding-x: var(--space-3);
    
    /* Border Radius */
    --radius-sm: 0.25rem;   /* 4px */
    --radius-md: 0.5rem;    /* 8px */
    --radius-lg: 0.75rem;   /* 12px */
    --radius-xl: 1rem;      /* 16px */
    --radius-full: 9999px;  /* Full radius */
    
    /* 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: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Z-index Scale */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

/* ===== RESET AND BASE STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px; /* Base font size for rem calculations */
}

body {
    font-family: var(--font-secondary);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--color-text-dark);
    background-color: var(--color-bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===== TYPOGRAPHY SYSTEM ===== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-tight);
    color: var(--color-primary-blue);
    margin-bottom: var(--space-2);
}

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

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

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

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

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

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

p {
    font-family: var(--font-secondary);
    font-size: var(--font-size-base);
    line-height: var(--line-height-relaxed);
    color: var(--color-text-medium);
    margin-bottom: var(--space-2);
}

/* Text Utilities */
.text-primary { color: var(--color-primary-blue); }
.text-accent { color: var(--color-accent-magenta); }
.text-muted { color: var(--color-text-medium); }
.text-light { color: var(--color-text-light); }
.text-white { color: var(--color-text-white); }

.text-xs { font-size: var(--font-size-xs); }
.text-sm { font-size: var(--font-size-sm); }
.text-base { font-size: var(--font-size-base); }
.text-lg { font-size: var(--font-size-lg); }
.text-xl { font-size: var(--font-size-xl); }
.text-2xl { font-size: var(--font-size-2xl); }
.text-3xl { font-size: var(--font-size-3xl); }

.font-normal { font-weight: var(--font-weight-normal); }
.font-medium { font-weight: var(--font-weight-medium); }
.font-semibold { font-weight: var(--font-weight-semibold); }
.font-bold { font-weight: var(--font-weight-bold); }

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

/* ===== HEADER AND NAVIGATION ===== */

/* Fixed header with stable background for visibility */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: var(--z-fixed);
    transition: all var(--transition-normal);
    background: linear-gradient(135deg, rgba(26, 26, 46, 0.95), rgba(26, 26, 46, 0.92));
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px); /* Safari support */
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    /* Ensure crisp rendering on high-DPI displays */
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.header.scrolled {
    background: linear-gradient(135deg, rgba(26, 26, 46, 0.98), rgba(26, 26, 46, 0.95));
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px); /* Safari support */
    box-shadow: var(--shadow-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.nav {
    padding: 0;
}

.nav-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: var(--space-10);
}

.nav-logo .logo-link {
    font-family: var(--font-primary);
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-white);
    text-decoration: none;
    transition: color var(--transition-normal);
}

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

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--space-4);
}

.nav-item {
    position: relative;
}

.nav-link {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-white);
    text-decoration: none;
    padding: var(--space-1) 0;
    position: relative;
    transition: color var(--transition-normal);
}

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

.nav-link.active {
    color: var(--color-accent-magenta);
}

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

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

/* Mobile Navigation Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: var(--space-1);
    border: none;
    background: transparent;
    position: relative;
    z-index: calc(var(--z-fixed) + 1);
}

.nav-toggle:focus {
    outline: 2px solid var(--color-accent-magenta);
    outline-offset: 2px;
}

.nav-toggle .bar {
    width: 25px;
    height: 3px;
    background-color: var(--color-text-white);
    margin: 3px 0;
    transition: all var(--transition-normal) cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: var(--radius-sm);
    transform-origin: center;
}

.nav-toggle.active .bar:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
    background-color: var(--color-accent-magenta);
}

.nav-toggle.active .bar:nth-child(2) {
    opacity: 0;
    transform: scale(0);
}

.nav-toggle.active .bar:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
    background-color: var(--color-accent-magenta);
}

/* Mobile Navigation Menu */
.nav-menu.mobile-active {
    position: fixed;
    top: 80px;
    right: 0;
    width: 100%;
    height: calc(100vh - 80px);
    background-color: rgba(26, 26, 46, 0.98);
    backdrop-filter: blur(10px);
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    padding-top: 2rem;
    gap: 1.5rem;
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 999;
}

.nav-menu.mobile-active.show {
    transform: translateX(0);
}

/* Mobile navigation links styling */
.nav-menu.mobile-active .nav-link {
    font-size: 1.2rem;
    padding: 1rem 2rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    text-align: center;
    min-width: 200px;
}

.nav-menu.mobile-active .nav-link:hover {
    background-color: rgba(233, 69, 96, 0.1);
    transform: translateY(-2px);
}

.nav-menu.mobile-active .nav-link::after {
    display: none;
}

/* Mobile menu overlay */
.nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 998;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.nav-overlay.show {
    opacity: 1;
    visibility: visible;
}

/* ===== SECTION STYLING ===== */
section {
    padding: var(--section-padding-y) 0;
}

.section-title {
    font-family: var(--font-primary);
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary-blue);
    margin-bottom: var(--space-2);
    text-align: center;
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-medium);
    text-align: center;
    margin-bottom: var(--space-6);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-8);
}

/* ===== BUTTON SYSTEM ===== */
.btn {
    display: inline-block;
    padding: var(--space-2) var(--space-4);
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    cursor: pointer;
    border: none;
    text-align: center;
    line-height: var(--line-height-tight);
}

.btn-primary {
    background-color: var(--color-accent-magenta);
    color: var(--color-text-white);
    border: 2px solid var(--color-accent-magenta);
}

.btn-primary:hover {
    background-color: #d63651;
    border-color: #d63651;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(233, 69, 96, 0.4);
}

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

.btn-secondary:hover {
    background-color: var(--color-text-white);
    color: var(--color-primary-blue);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.btn-outline:hover {
    background-color: var(--color-accent-magenta);
    color: var(--color-text-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ===== HERO SECTION ===== */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('hero-bg.svg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: -2;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(26, 26, 46, 0.8);
    z-index: -1;
}

.hero-content {
    text-align: center;
    color: var(--color-text-white);
    z-index: 1;
    opacity: 0;
    animation: heroFadeIn 1.2s ease-out 0.3s forwards;
}

.hero-content * {
    color: inherit;
}

.hero-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.hero-title {
    font-family: var(--font-primary);
    font-size: var(--font-size-5xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-white) !important;
    margin-bottom: var(--space-3);
    line-height: var(--line-height-tight);
    opacity: 0;
    transform: translateY(30px);
    animation: heroSlideUp 1s ease-out 0.5s forwards;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--color-text-white) !important;
    margin-bottom: var(--space-5);
    opacity: 0;
    transform: translateY(20px);
    animation: heroSlideUp 1s ease-out 0.8s forwards;
}

.hero-buttons {
    display: flex;
    gap: var(--space-2);
    justify-content: center;
    flex-wrap: wrap;
    opacity: 0;
    transform: translateY(20px);
    animation: heroSlideUp 1s ease-out 1.1s forwards;
}



/* Hero Animation Keyframes */
@keyframes heroFadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes heroSlideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
    align-items: center;
}

.about-image {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
}

.about-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(233, 69, 96, 0.1), rgba(26, 26, 46, 0.1));
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: 1;
    border-radius: var(--radius-lg);
}

.about-image:hover::before {
    opacity: 1;
}

.about-image:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.about-photo {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
    display: block;
}

.about-image:hover .about-photo {
    transform: scale(1.05);
}

/* Google Maps iframe styling */
.about-map {
    width: 100%;
    height: 400px;
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
    display: block;
}

.about-text .section-title {
    text-align: left;
    margin-bottom: var(--space-3);
}

.about-description p {
    margin-bottom: var(--space-3);
    color: var(--color-text-medium);
    line-height: var(--line-height-relaxed);
}

.about-values {
    margin-top: var(--space-4);
    padding-top: var(--space-4);
    border-top: 2px solid var(--color-accent-magenta);
    position: relative;
}

.about-values::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 0;
    width: 60px;
    height: 2px;
    background-color: var(--color-highlight-yellow);
    transition: width var(--transition-normal);
}

.about-text:hover .about-values::before {
    width: 120px;
}

.about-values h3 {
    font-family: var(--font-primary);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary-blue);
    margin-bottom: var(--space-2);
    position: relative;
}

.about-values h3::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent-magenta);
    transition: width var(--transition-normal);
}

.about-text:hover .about-values h3::after {
    width: 100%;
}

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

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(2, 1fr);
    gap: var(--space-4);
    max-width: 1000px;
    margin: 0 auto;
}

.service-tile {
    background-color: var(--color-bg-primary);
    padding: var(--space-5) var(--space-4);
    border-radius: var(--radius-xl);
    text-align: center;
    box-shadow: var(--shadow-lg);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.service-tile::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(233, 69, 96, 0.1), transparent);
    transition: left var(--transition-slow);
}

.service-tile:hover::before {
    left: 100%;
}

.service-tile:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 40px rgba(233, 69, 96, 0.15);
    border-color: var(--color-accent-magenta);
}

.service-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto var(--space-3);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-neutral-grey), #e8e8e8);
    border-radius: var(--radius-full);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    z-index: 1;
}

.service-tile:hover .service-icon {
    background: linear-gradient(135deg, var(--color-accent-magenta), #d63651);
    transform: scale(1.15) rotate(5deg);
    box-shadow: 0 8px 20px rgba(233, 69, 96, 0.3);
}

.service-icon img {
    width: 32px;
    height: 32px;
    transition: all 0.4s ease;
}

.service-tile .service-icon img {
    filter: brightness(0) saturate(100%) invert(11%) sepia(100%) saturate(7395%) hue-rotate(240deg) brightness(89%) contrast(106%);
}

.service-tile:hover .service-icon img {
    filter: brightness(0) saturate(100%) invert(100%) sepia(0%) saturate(7500%) hue-rotate(109deg) brightness(105%) contrast(105%);
    transform: scale(1.1);
}

.service-title {
    font-family: var(--font-primary);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary-blue);
    margin-bottom: var(--space-2);
    transition: all var(--transition-normal);
    position: relative;
    z-index: 1;
}

.service-tile:hover .service-title {
    color: var(--color-accent-magenta);
    transform: translateY(-2px);
}

.service-description {
    color: var(--color-text-medium);
    line-height: var(--line-height-relaxed);
    font-size: var(--font-size-sm);
    transition: all var(--transition-normal);
    position: relative;
    z-index: 1;
}

.service-tile:hover .service-description {
    color: #555555;
    transform: translateY(-1px);
}

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

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-4);
    grid-auto-rows: masonry;
    align-items: start;
}

/* Fallback for browsers that don't support masonry */
@supports not (grid-template-rows: masonry) {
    .portfolio-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 2rem;
        align-items: start;
    }
    
    /* Create varied heights for masonry effect */
    .portfolio-item:nth-child(3n+1) .portfolio-image img {
        min-height: 250px;
    }
    
    .portfolio-item:nth-child(3n+2) .portfolio-image img {
        min-height: 300px;
    }
    
    .portfolio-item:nth-child(3n+3) .portfolio-image img {
        min-height: 220px;
    }
}

.portfolio-item {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    background-color: #ffffff;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: zoom-in;
    break-inside: avoid;
}

.portfolio-item:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
}

.portfolio-item::after {
    content: '🔍';
    position: absolute;
    top: 15px;
    right: 15px;
    background: rgba(26, 26, 46, 0.8);
    color: white;
    width: 35px;
    height: 35px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.portfolio-item:hover::after {
    opacity: 1;
    transform: scale(1);
}

.portfolio-image {
    position: relative;
    overflow: hidden;
    border-radius: 12px 12px 0 0;
}

.portfolio-image img {
    width: 100%;
    height: auto;
    min-height: 200px;
    object-fit: cover;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: block;
}

.portfolio-item:hover .portfolio-image img {
    transform: scale(1.08);
}

/* Portfolio overlay styles removed - clean image display only */

/* Lightbox Styles - Clean Image Zoom View */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox-content {
    position: relative;
    max-width: 95%;
    max-height: 95%;
    display: flex;
    align-items: center;
    justify-content: center;
    transform: scale(0.9);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.lightbox.active .lightbox-content {
    transform: scale(1);
}

.lightbox-image {
    max-width: 100%;
    max-height: 90vh;
    width: auto;
    height: auto;
    object-fit: contain;
    display: block;
    border-radius: 8px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
}

.lightbox-close {
    position: absolute;
    top: -50px;
    right: -10px;
    width: 45px;
    height: 45px;
    background-color: rgba(255, 255, 255, 0.95);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: #1a1a2e;
    transition: all 0.3s ease;
    z-index: 10001;
    font-weight: bold;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.lightbox-close:hover {
    background-color: #e94560;
    color: #ffffff;
    transform: scale(1.1);
}

.lightbox-close:focus {
    outline: 3px solid var(--color-accent-magenta);
    outline-offset: 2px;
}

/* Lazy Loading */
.portfolio-image img[data-src] {
    opacity: 0;
    transition: opacity 0.3s ease;
}

.portfolio-image img.loaded {
    opacity: 1;
}

.portfolio-image.loading::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 40px;
    height: 40px;
    margin: -20px 0 0 -20px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #e94560;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

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

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
}

.contact-form {
    background-color: var(--color-bg-secondary);
    padding: var(--space-4);
    border-radius: var(--radius-lg);
}

.form-group {
    margin-bottom: var(--space-3);
}

.form-label {
    display: block;
    font-family: var(--font-primary);
    font-weight: var(--font-weight-medium);
    color: var(--color-primary-blue);
    margin-bottom: var(--space-1);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid #e0e0e0;
    border-radius: var(--radius-md);
    font-family: var(--font-secondary);
    font-size: var(--font-size-base);
    transition: border-color var(--transition-normal);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-accent-magenta);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.form-error {
    display: block;
    color: var(--color-error);
    font-size: var(--font-size-sm);
    margin-top: 0.25rem;
}

.form-success {
    display: none;
    background-color: #d4edda;
    color: var(--color-success);
    padding: var(--space-2);
    border-radius: var(--radius-md);
    margin-top: var(--space-2);
    border: 1px solid #c3e6cb;
}

.form-success.show {
    display: block;
    animation: slideInUp 0.3s ease-out;
}

/* Form Error States */
.form-input.error,
.form-textarea.error {
    border-color: var(--color-error);
    background-color: #fff5f5;
    box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.1);
}

.form-error {
    display: none;
    color: var(--color-error);
    font-size: var(--font-size-sm);
    margin-top: 0.25rem;
    padding: 0.25rem 0;
    font-weight: var(--font-weight-medium);
}

.form-error:not(:empty) {
    display: block;
}

/* Submit button loading state */
.btn-submit.loading {
    position: relative;
    color: transparent;
    pointer-events: none;
}

.btn-submit.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid transparent;
    border-top: 2px solid #ffffff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Portfolio image error states */
.portfolio-image.error {
    background-color: #f8f9fa;
    border: 2px dashed #dee2e6;
}

.portfolio-image.error img {
    opacity: 0.7;
    filter: grayscale(100%);
}

.portfolio-image.error::after {
    content: 'Click to retry';
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    background-color: rgba(233, 69, 96, 0.9);
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
}

/* Loading animations */
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

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

/* Progressive image loading enhancement */
.portfolio-image img {
    transition: opacity 0.3s ease, filter 0.3s ease;
}

.portfolio-image img[data-src] {
    opacity: 0;
    filter: blur(5px);
}

.portfolio-image img.loaded {
    opacity: 1;
    filter: blur(0);
}

.btn-submit {
    width: 100%;
    margin-top: var(--space-2);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.contact-item {
    padding: var(--space-3);
    background-color: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
}

.contact-title {
    font-family: var(--font-primary);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary-blue);
    margin-bottom: var(--space-2);
}

.contact-text {
    color: var(--color-text-medium);
    line-height: var(--line-height-normal);
}

.contact-text a {
    color: var(--color-accent-magenta);
    text-decoration: none;
    transition: color var(--transition-normal);
}

.contact-text a:hover {
    color: #d63651;
}

/* ===== FOOTER SECTION ===== */
.footer {
    background-color: var(--color-bg-dark);
    color: var(--color-text-white);
    padding: var(--space-6) 0 var(--space-2);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-4);
    margin-bottom: var(--space-4);
}

.footer-section {
    display: flex;
    flex-direction: column;
}

.footer-logo .logo-link {
    font-family: var(--font-primary);
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-white);
    text-decoration: none;
    margin-bottom: 1rem;
    display: inline-block;
}

.footer-description {
    color: #cccccc;
    line-height: 1.6;
}

.footer-title {
    font-family: 'Poppins', sans-serif;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #ffffff;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: #cccccc;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #e94560;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    display: inline-block;
    width: 40px;
    height: 40px;
    background-color: #333333;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: background-color 0.3s ease;
}

.social-link:hover {
    background-color: #e94560;
}

.social-icon {
    font-size: 1.2rem;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid #333333;
}

.footer-copyright {
    color: #cccccc;
}

.back-to-top {
    color: #e94560;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.back-to-top:hover {
    color: #d63651;
}