/* ============================================
   BITS & BYTES ASSOCIATES - MAIN STYLESHEET
   Author: Veerapuram Satakopan
   Version: 1.0
   ============================================ */

/* CSS VARIABLES - Theme System */
:root {
    /* Typography */
    --font-display: 'Playfair Display', serif;
    --font-body: 'Montserrat', sans-serif;
    --font-brand: 'DejaVu Sans', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    /* Spacing */
    --space-xs: 8px;
    --space-sm: 16px;
    --space-md: 24px;
    --space-lg: 32px;
    --space-xl: 48px;
    --space-2xl: 64px;
    --space-3xl: 96px;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
    --shadow-xl: 0 16px 64px rgba(0, 0, 0, 0.2);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Z-index */
    --z-base: 1;
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal: 1040;
    --z-popover: 1050;
    --z-tooltip: 1060;
}

/* Default Theme - Women Empowerment */
[data-theme="empowerment"] {
    --color-primary: #e91e63;
    --color-primary-dark: #c2185b;
    --color-primary-light: #f48fb1;
    --color-secondary: #9c27b0;
    --color-secondary-dark: #7b1fa2;
    --color-secondary-light: #ba68c8;
    --color-accent: #4caf50;
    --color-accent-dark: #388e3c;
    --color-accent-light: #81c784;
    --gradient-primary: linear-gradient(135deg, #e91e63 0%, #c2185b 20%, #9c27b0 40%, #7b1fa2 60%, #673ab7 80%, #5e35b1 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-accent: linear-gradient(135deg, #4caf50 0%, #81c784 100%);
}

/* Global Resets */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-md);
    color: var(--color-heading);
}

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: clamp(1.25rem, 2.5vw, 1.5rem); }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: var(--space-md);
    font-size: clamp(1rem, 1.5vw, 1.125rem);
}

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

a:hover {
    color: var(--color-primary-dark);
}

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

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* Section Padding */
.section-padding {
    padding: var(--space-3xl) 0;
}

@media (max-width: 768px) {
    .section-padding {
        padding: var(--space-2xl) 0;
    }
}

/* Loading Screen */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99999;
    transition: opacity 0.5s, visibility 0.5s;
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-container {
    text-align: center;
    color: white;
}

.loader-logo {
    font-size: 5rem;
    animation: pulse 1.5s ease-in-out infinite;
}

.loader-text {
    font-family: var(--font-brand);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 3px;
    margin: var(--space-md) 0;
    text-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.loader-progress {
    width: 200px;
    height: 4px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin: 0 auto;
}

.loader-bar {
    height: 100%;
    background: white;
    animation: loading 2s ease-in-out infinite;
}

@keyframes loading {
    0% { width: 0; }
    50% { width: 100%; }
    100% { width: 0; }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* Scroll Progress Indicator */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 4px;
    background: var(--gradient-primary);
    z-index: var(--z-fixed);
    transition: width 0.1s linear;
    box-shadow: 0 0 10px var(--color-primary);
}

/* Theme Switcher */
.theme-switcher {
    position: fixed;
    top: 100px;
    right: 20px;
    z-index: var(--z-fixed);
}

.theme-btn {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-full);
    border: none;
    background: var(--gradient-primary);
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-base);
}

.theme-btn:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-xl);
}

.theme-dropdown {
    position: absolute;
    top: 60px;
    right: 0;
    background: var(--color-card-bg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
    padding: var(--space-sm);
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition-base);
}

.theme-switcher:hover .theme-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.theme-dropdown button {
    width: 100%;
    padding: var(--space-sm);
    border: none;
    background: transparent;
    text-align: left;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
    font-family: var(--font-body);
    color: var(--color-text);
}

.theme-dropdown button:hover {
    background: var(--color-hover-bg);
    color: var(--color-primary);
}

/* Floating WhatsApp Button */
.floating-whatsapp {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: #25d366;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: var(--shadow-xl);
    z-index: var(--z-fixed);
    transition: var(--transition-base);
    animation: float 3s ease-in-out infinite;
}

.floating-whatsapp:hover {
    transform: scale(1.1);
    background: #128c7e;
    box-shadow: 0 8px 32px rgba(37, 211, 102, 0.4);
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* Main Header */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: var(--color-header-bg);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    z-index: var(--z-sticky);
    transition: var(--transition-base);
}

.main-header.scrolled {
    padding: var(--space-sm) 0;
    box-shadow: var(--shadow-lg);
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--space-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.logo-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

.logo-icon:hover {
    transform: rotate(15deg) scale(1.1);
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.company-name {
    font-family: var(--font-brand);
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--color-heading);
}

.company-tagline {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.main-nav {
    display: flex;
    gap: var(--space-lg);
}

.nav-link {
    font-weight: 500;
    color: var(--color-text);
    position: relative;
    padding: var(--space-sm) 0;
    transition: var(--transition-fast);
}

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

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

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

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--color-text);
    border-radius: var(--radius-full);
    transition: var(--transition-base);
}

@media (max-width: 968px) {
    .main-nav {
        position: fixed;
        top: 80px;
        right: -100%;
        width: 250px;
        height: calc(100vh - 80px);
        background: var(--color-card-bg);
        flex-direction: column;
        padding: var(--space-lg);
        box-shadow: var(--shadow-xl);
        transition: var(--transition-base);
    }
    
    .main-nav.active {
        right: 0;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
}

/* Hero Section */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    z-index: 0;
}

.particle-container {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: float-orb 20s ease-in-out infinite;
}

.orb-1 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.3) 0%, transparent 70%);
    top: -100px;
    right: -100px;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(76, 175, 80, 0.3) 0%, transparent 70%);
    bottom: -150px;
    left: -150px;
    animation-delay: -5s;
}

.orb-3 {
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(255, 215, 0, 0.2) 0%, transparent 70%);
    top: 50%;
    left: 50%;
    animation-delay: -10s;
}

@keyframes float-orb {
    0%, 100% { transform: translate(0, 0); }
    25% { transform: translate(50px, 50px); }
    50% { transform: translate(-30px, 80px); }
    75% { transform: translate(30px, -50px); }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: white;
    max-width: 1000px;
    padding: var(--space-lg);
}

.hero-logo-3d {
    margin-bottom: var(--space-lg);
}

.logo-3d-container {
    display: inline-block;
    animation: float 3s ease-in-out infinite;
}

.logo-3d {
    font-size: 6rem;
    filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.5));
    animation: rotate-3d 10s linear infinite;
}

@keyframes rotate-3d {
    0% { transform: rotateY(0deg); }
    100% { transform: rotateY(360deg); }
}

.hero-title {
    margin-bottom: var(--space-md);
}

.title-line {
    display: block;
    font-family: var(--font-brand);
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 900;
    letter-spacing: 5px;
    text-shadow: 
        0 2px 0 rgba(255,255,255,0.7),
        0 3px 0 rgba(255,255,255,0.6),
        0 4px 2px rgba(255,255,255,0.5),
        0 6px 12px rgba(0,0,0,0.5);
    animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
    0%, 100% { text-shadow: 
        0 2px 0 rgba(255,255,255,0.7),
        0 3px 0 rgba(255,255,255,0.6),
        0 4px 2px rgba(255,255,255,0.5),
        0 6px 12px rgba(0,0,0,0.5);
    }
    50% { text-shadow: 
        0 2px 0 rgba(255,255,255,0.9),
        0 3px 0 rgba(255,255,255,0.8),
        0 4px 2px rgba(255,255,255,0.7),
        0 6px 12px rgba(0,0,0,0.7);
    }
}

.hero-subtitle {
    font-size: clamp(1.25rem, 2.5vw, 1.5rem);
    font-style: italic;
    margin-bottom: var(--space-xl);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-mission {
    margin-bottom: var(--space-xl);
}

.mission-item {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-xl);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.mission-icon {
    font-size: 2rem;
}

.mission-text {
    font-size: 1.125rem;
    font-weight: 500;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 150px;
}

.stat-number {
    font-size: 3rem;
    font-weight: 900;
    font-family: var(--font-display);
    line-height: 1;
}

.stat-suffix {
    font-size: 2rem;
    font-weight: 700;
}

.stat-label {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: var(--space-sm);
    opacity: 0.9;
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    margin-bottom: var(--space-2xl);
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-md) var(--space-xl);
    font-weight: 600;
    border-radius: var(--radius-lg);
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition-base);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background: transparent;
    color: white;
    border-color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
    background: transparent;
    color: white;
    border-color: white;
}

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

.btn-full {
    width: 100%;
}

/* Scroll Indicator */
.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    animation: bounce 2s ease-in-out infinite;
}

.scroll-arrow {
    font-size: 2rem;
    animation: arrow-bounce 1.5s ease-in-out infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes arrow-bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(10px); }
}

/* Section Headers */
.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--space-2xl);
}

.section-label {
    display: inline-block;
    padding: var(--space-sm) var(--space-lg);
    background: var(--gradient-primary);
    color: white;
    border-radius: var(--radius-full);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.875rem;
    margin-bottom: var(--space-md);
}

.section-title {
    color: var(--color-heading);
    margin-bottom: var(--space-md);
}

.section-description {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.about-card {
    background: var(--color-card-bg);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    border: 2px solid transparent;
}

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

.card-icon {
    font-size: 3rem;
    margin-bottom: var(--space-md);
}

.about-card h3 {
    color: var(--color-heading);
    margin-bottom: var(--space-md);
    font-size: 1.5rem;
}

.about-card p {
    color: var(--color-text-secondary);
    line-height: 1.8;
}

.company-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-lg);
    padding: var(--space-xl);
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    color: white;
}

.highlight-item {
    text-align: center;
}

.highlight-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 900;
    font-family: var(--font-display);
    margin-bottom: var(--space-sm);
}

.highlight-label {
    display: block;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.9;
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.service-card {
    background: var(--color-card-bg);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    border: 2px solid transparent;
    display: flex;
    flex-direction: column;
}

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

.service-icon {
    font-size: 3rem;
    margin-bottom: var(--space-md);
}

.service-card h3 {
    color: var(--color-heading);
    margin-bottom: var(--space-md);
    font-size: 1.5rem;
}

.service-card > p {
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--space-md);
    flex-grow: 1;
}

.service-features {
    list-style: none;
    margin-bottom: var(--space-md);
}

.service-features li {
    padding: var(--space-sm) 0;
    padding-left: var(--space-lg);
    position: relative;
    color: var(--color-text);
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: 700;
}

.service-link {
    font-weight: 600;
    color: var(--color-primary);
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    transition: var(--transition-fast);
}

.service-link:hover {
    gap: var(--space-md);
}

.tech-stack-section {
    text-align: center;
    padding: var(--space-xl);
    background: var(--color-card-bg);
    border-radius: var(--radius-xl);
}

.tech-stack-section h3 {
    margin-bottom: var(--space-lg);
    color: var(--color-heading);
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    justify-content: center;
}

.tech-tag {
    padding: var(--space-sm) var(--space-lg);
    background: var(--gradient-primary);
    color: white;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.875rem;
    transition: var(--transition-base);
}

.tech-tag:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-md);
}

/* Values Section */
.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.value-card {
    background: var(--color-card-bg);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    text-align: center;
    border: 2px solid transparent;
    cursor: pointer;
}

.value-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary);
}

.value-emoji {
    font-size: 3rem;
    margin-bottom: var(--space-md);
    display: block;
}

.value-card h4 {
    color: var(--color-heading);
    margin-bottom: var(--space-sm);
    font-size: 1.125rem;
}

.value-card p {
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    margin: 0;
}

.beyond-ai-section {
    text-align: center;
    padding: var(--space-2xl);
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    color: white;
}

.beyond-ai-section h3 {
    font-size: 2rem;
    margin-bottom: var(--space-md);
    color: white;
}

.beyond-description {
    max-width: 700px;
    margin: 0 auto var(--space-xl);
    font-size: 1.125rem;
    opacity: 0.95;
}

.beyond-grid {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    justify-content: center;
}

.beyond-badge {
    padding: var(--space-md) var(--space-lg);
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-full);
    border: 2px solid rgba(255, 255, 255, 0.3);
    font-weight: 600;
    transition: var(--transition-base);
}

.beyond-badge:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.05);
}

/* Portfolio Section */
.portfolio-filters {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    margin-bottom: var(--space-xl);
    flex-wrap: wrap;
}

.filter-btn {
    padding: var(--space-sm) var(--space-lg);
    border: 2px solid var(--color-primary);
    background: transparent;
    color: var(--color-primary);
    border-radius: var(--radius-full);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-base);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--color-primary);
    color: white;
}

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

.portfolio-item {
    background: var(--color-card-bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

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

.portfolio-image {
    aspect-ratio: 16 / 9;
    overflow: hidden;
}

.project-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.placeholder-icon {
    font-size: 4rem;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
}

.portfolio-content {
    padding: var(--space-xl);
}

.project-category {
    display: inline-block;
    padding: var(--space-sm) var(--space-md);
    background: var(--gradient-primary);
    color: white;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--space-md);
}

.portfolio-content h3 {
    color: var(--color-heading);
    margin-bottom: var(--space-md);
}

.portfolio-content p {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
}

.project-tech {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
    margin-bottom: var(--space-md);
}

.project-tech span {
    padding: 4px var(--space-sm);
    background: var(--color-hover-bg);
    color: var(--color-text);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
}

.project-link {
    font-weight: 600;
    color: var(--color-primary);
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    transition: var(--transition-fast);
}

.project-link:hover {
    gap: var(--space-md);
}

.portfolio-cta {
    text-align: center;
}

/* Team Section */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--space-2xl);
}

.team-card {
    background: var(--color-card-bg);
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    text-align: center;
    transition: var(--transition-base);
}

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

.team-avatar {
    margin-bottom: var(--space-lg);
}

.avatar-placeholder {
    width: 150px;
    height: 150px;
    margin: 0 auto;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
}

.avatar-icon {
    font-size: 4rem;
}

.team-info h3 {
    color: var(--color-heading);
    font-size: 1.5rem;
    margin-bottom: var(--space-sm);
}

.team-role {
    color: var(--color-primary);
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.team-badges {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    justify-content: center;
    margin-bottom: var(--space-md);
}

.role-badge {
    padding: 4px var(--space-sm);
    background: var(--gradient-primary);
    color: white;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
}

.team-bio {
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--space-md);
}

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

.team-contact a {
    color: var(--color-primary);
    font-weight: 500;
}

/* Testimonials Section */
.testimonials-slider {
    max-width: 800px;
    margin: 0 auto var(--space-lg);
}

.testimonial-card {
    background: var(--color-card-bg);
    padding: var(--space-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.testimonial-stars {
    font-size: 1.5rem;
    margin-bottom: var(--space-md);
}

.testimonial-text {
    font-size: 1.25rem;
    font-style: italic;
    color: var(--color-text);
    line-height: 1.8;
    margin-bottom: var(--space-lg);
}

.testimonial-author {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.testimonial-author strong {
    color: var(--color-heading);
    font-size: 1.125rem;
    margin-bottom: 4px;
}

.testimonial-author span {
    color: var(--color-text-secondary);
    font-size: 0.875rem;
}

.slider-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-lg);
}

.slider-btn {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    border: 2px solid var(--color-primary);
    background: transparent;
    color: var(--color-primary);
    font-size: 1.25rem;
    cursor: pointer;
    transition: var(--transition-base);
}

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

.slider-dots {
    display: flex;
    gap: var(--space-sm);
}

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--space-2xl);
}

@media (max-width: 968px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

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

.contact-card {
    background: var(--color-card-bg);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.contact-icon {
    font-size: 2rem;
    margin-bottom: var(--space-md);
}

.contact-card h4 {
    color: var(--color-heading);
    margin-bottom: var(--space-md);
}

.contact-card p,
.contact-card a {
    color: var(--color-text-secondary);
    line-height: 1.8;
}

.contact-card a:hover {
    color: var(--color-primary);
}

.contact-form-container {
    background: var(--color-card-bg);
    padding: var(--space-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.form-group label {
    font-weight: 600;
    color: var(--color-heading);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: var(--space-md);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 1rem;
    background: var(--color-input-bg);
    color: var(--color-text);
    transition: var(--transition-base);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(233, 30, 99, 0.1);
}

/* Footer */
.main-footer {
    background: linear-gradient(135deg, #263238, #37474f, #455a64);
    color: white;
    padding-top: var(--space-2xl);
}

.footer-top {
    padding-bottom: var(--space-2xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: var(--space-2xl);
}

@media (max-width: 968px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.footer-logo span {
    font-family: var(--font-brand);
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 2px;
}

.footer-description {
    margin-bottom: var(--space-md);
    line-height: 1.8;
    opacity: 0.9;
}

.footer-stats {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-stats span {
    font-size: 0.875rem;
}

.footer-column h4 {
    margin-bottom: var(--space-md);
    color: white;
    font-size: 1.125rem;
}

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

.footer-links li {
    margin-bottom: var(--space-sm);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: white;
    padding-left: var(--space-sm);
}

.footer-middle {
    padding: var(--space-xl) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.core-values-footer h4 {
    text-align: center;
    margin-bottom: var(--space-md);
    color: white;
    font-size: 1.25rem;
}

.values-emoji-grid {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    justify-content: center;
}

.values-emoji-grid span {
    font-size: 1.5rem;
    padding: var(--space-sm);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-base);
}

.values-emoji-grid span:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.2);
}

.footer-bottom {
    padding: var(--space-lg) 0;
}

.footer-bottom-content {
    text-align: center;
}

.footer-legal {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    margin: var(--space-md) 0;
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.8);
}

.footer-tagline {
    margin-top: var(--space-md);
    font-size: 0.875rem;
    opacity: 0.8;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: var(--radius-full);
    border: none;
    background: var(--gradient-primary);
    color: white;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    z-index: var(--z-fixed);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-stats {
        flex-direction: column;
        gap: var(--space-lg);
    }
    
    .hero-cta {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
    }
    
    .values-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
    }
}

/* Accessibility */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

*:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .loading-screen,
    .scroll-progress,
    .theme-switcher,
    .floating-whatsapp,
    .main-header,
    .scroll-indicator,
    .back-to-top {
        display: none !important;
    }
}