/* ============================================
   STRAND COMPANY PROFILE - MAIN STYLESHEET
   ============================================ */

/* ============================================
   ROOT VARIABLES & COLOR SYSTEM
   ============================================ */

:root {
    /* Primary Colors */
    --primary: #2563EB;
    --secondary: #06B6D4;
    --accent: #F59E0B;
    
    /* Neutral Colors */
    --background: #F8FAFC;
    --surface: #FFFFFF;
    --surface-dark: #F1F5F9;
    --text-primary: #0F172A;
    --text-secondary: #475569;
    --text-light: #94A3B8;
    --border: #E2E8F0;
    
    /* Dark Mode Colors */
    --dark-bg: #0F172A;
    --dark-surface: #1E293B;
    --dark-surface-light: #334155;
    --dark-text-primary: #F8FAFC;
    --dark-text-secondary: #CBD5E1;
    --dark-border: #334155;
    
    /* 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);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    /* Typography */
    --font-sans: 'Poppins', sans-serif;
    --font-display: 'Poppins', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Mode */
body.dark-mode {
    --background: var(--dark-bg);
    --surface: var(--dark-surface);
    --surface-dark: var(--dark-surface-light);
    --text-primary: var(--dark-text-primary);
    --text-secondary: var(--dark-text-secondary);
    --text-light: #94A3B8;
    --border: var(--dark-border);
}

/* ============================================
   GLOBAL STYLES
   ============================================ */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--text-primary);
    background-color: var(--background);
    line-height: 1.6;
    transition: var(--transition);
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--surface-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary);
}

/* ============================================
   TYPOGRAPHY
   ============================================ */

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

h1 {
    font-size: clamp(2rem, 5vw, 4rem);
    font-weight: 800;
}

h2 {
    font-size: clamp(1.5rem, 4vw, 3rem);
}

h3 {
    font-size: clamp(1.25rem, 3vw, 1.875rem);
}

h4 {
    font-size: 1.125rem;
}

p {
    color: var(--text-secondary);
    font-size: 1rem;
}

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

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

/* ============================================
   BUTTONS
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4) var(--space-6);
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
    text-decoration: none;
    gap: var(--space-2);
    white-space: nowrap;
    min-height: 44px;
}

.btn-primary {
    background-color: var(--primary);
    color: white;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.4);
}

.btn-primary:hover {
    background-color: #1d4ed8;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.6);
}

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

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

.btn-small {
    padding: var(--space-2) var(--space-4);
    font-size: 0.875rem;
    min-height: 36px;
}

/* ============================================
   CONTAINER & LAYOUT
   ============================================ */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-16);
}

.section-header h2 {
    margin-bottom: var(--space-4);
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.section-cta {
    text-align: center;
    margin-top: var(--space-16);
}

/* ============================================
   SCROLL PROGRESS BAR
   ============================================ */

#scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent));
    width: 0%;
    z-index: 1000;
    transition: width 0.1s ease;
}

/* ============================================
   NAVIGATION BAR
   ============================================ */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 999;
    background-color: rgba(248, 250, 252, 0.7);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.5);
    transition: var(--transition);
}

body.dark-mode .navbar {
    background-color: rgba(15, 23, 42, 0.7);
    border-bottom-color: rgba(51, 65, 85, 0.5);
}

.navbar.scroll-active {
    background-color: rgba(248, 250, 252, 0.95);
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(20px);
}

body.dark-mode .navbar.scroll-active {
    background-color: rgba(15, 23, 42, 0.95);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-4) var(--space-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-brand {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.nav-brand a {
    color: inherit;
    display: flex;
    align-items: center;
    gap: var(--space-2);
    text-decoration: none;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-8);
    flex: 1;
    margin: 0 var(--space-8);
}

.nav-link {
    position: relative;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

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

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 1px;
}

.nav-dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    min-width: 250px;
    padding: var(--space-4) 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    margin-top: var(--space-4);
    z-index: 1000;
}

body.dark-mode .dropdown-menu {
    background-color: var(--dark-surface);
}

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

.dropdown-menu a {
    display: block;
    padding: var(--space-3) var(--space-6);
    color: var(--text-secondary);
    transition: var(--transition);
}

.dropdown-menu a:hover {
    background-color: var(--surface-dark);
    color: var(--primary);
    padding-left: var(--space-8);
}

body.dark-mode .dropdown-menu a:hover {
    background-color: var(--dark-surface-light);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.theme-toggle {
    background: none;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    color: var(--text-secondary);
    transition: var(--transition);
    padding: var(--space-2);
}

.theme-toggle:hover {
    color: var(--primary);
    transform: rotate(20deg);
}

.hamburger {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    gap: var(--space-1);
    padding: var(--space-2);
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: calc(80px + var(--space-16)) var(--space-6) var(--space-16);
    overflow: hidden;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    margin-bottom: var(--space-6);
    line-height: 1.1;
    background: linear-gradient(135deg, var(--primary), var(--secondary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInDown 0.8s ease-out;
}

.hero-tagline {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-4);
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-12);
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    flex-wrap: wrap;
}

.hero-background {
    position: absolute;
    inset: 0;
    z-index: 1;
    overflow: hidden;
}

.blob {
    position: absolute;
    border-radius: 50%;
    opacity: 0.1;
    filter: blur(40px);
}

.blob-1 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    top: -100px;
    right: -100px;
    animation: float 6s ease-in-out infinite;
}

.blob-2 {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, var(--secondary), var(--accent));
    bottom: -50px;
    left: 10%;
    animation: float 8s ease-in-out infinite reverse;
}

.blob-3 {
    width: 250px;
    height: 250px;
    background: linear-gradient(135deg, var(--accent), var(--primary));
    top: 50%;
    left: -50px;
    animation: float 7s ease-in-out infinite;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    font-size: 1.5rem;
    color: var(--primary);
    animation: bounce 2s ease-in-out infinite;
}

/* ============================================
   SERVICES PREVIEW SECTION
   ============================================ */

.services-preview {
    padding: var(--space-24) var(--space-6);
    background-color: var(--background);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-8);
    margin-bottom: var(--space-12);
}

.service-card {
    background-color: var(--surface);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border);
    text-align: center;
    transition: var(--transition);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
}

body.dark-mode .service-card {
    background-color: var(--dark-surface);
    border-color: var(--dark-border);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary);
}

.service-icon {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: var(--space-4);
}

.service-card h3 {
    margin-bottom: var(--space-3);
    font-size: 1.25rem;
}

.service-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ============================================
   WHY CHOOSE STRAND SECTION
   ============================================ */

.why-choose {
    padding: var(--space-24) var(--space-6);
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.05), rgba(6, 182, 212, 0.05));
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-8);
}

.feature-card {
    background-color: var(--surface);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border);
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

body.dark-mode .feature-card {
    background-color: var(--dark-surface);
    border-color: var(--dark-border);
}

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

.feature-icon {
    font-size: 2.5rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-4);
}

.feature-card h3 {
    margin-bottom: var(--space-3);
    font-size: 1.125rem;
}

/* ============================================
   STATS SECTION
   ============================================ */

.stats {
    padding: var(--space-24) var(--space-6);
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-12);
    text-align: center;
}

.stat-item {
    padding: var(--space-12);
}

.stat-number {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 800;
    margin-bottom: var(--space-4);
    font-family: 'Poppins', sans-serif;
}

.stat-label {
    font-size: 1.125rem;
    opacity: 0.9;
}

/* ============================================
   TECHNOLOGIES SECTION
   ============================================ */

.technologies {
    padding: var(--space-24) var(--space-6);
    background-color: var(--background);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--space-8);
}

.tech-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-8);
    background-color: var(--surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    transition: var(--transition);
    cursor: pointer;
    gap: var(--space-3);
}

body.dark-mode .tech-item {
    background-color: var(--dark-surface);
    border-color: var(--dark-border);
}

.tech-item:hover {
    transform: scale(1.1);
    color: var(--primary);
    border-color: var(--primary);
    box-shadow: 0 0 20px rgba(37, 99, 235, 0.3);
}

.tech-item i {
    font-size: 2.5rem;
    color: var(--primary);
}

.tech-item span {
    font-weight: 600;
    font-size: 0.9rem;
    text-align: center;
}

/* ============================================
   PORTFOLIO PREVIEW SECTION
   ============================================ */

.portfolio-preview {
    padding: var(--space-24) var(--space-6);
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.05), rgba(6, 182, 212, 0.05));
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-8);
    margin-bottom: var(--space-12);
}

.portfolio-card {
    position: relative;
    height: 300px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

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

.portfolio-image {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transition: transform 0.6s ease;
}

.portfolio-card:hover .portfolio-image {
    transform: scale(1.05);
}

.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.9), rgba(6, 182, 212, 0.9));
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--space-8);
    color: white;
    opacity: 0;
    transition: var(--transition);
}

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

.portfolio-overlay h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-3);
    color: white;
}

.portfolio-overlay p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-4);
    font-size: 0.95rem;
}

.portfolio-tags {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
}

.portfolio-tags span {
    background: rgba(255, 255, 255, 0.2);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-md);
    font-size: 0.8rem;
    font-weight: 500;
    backdrop-filter: blur(10px);
}

/* ============================================
   TESTIMONIALS SECTION
   ============================================ */

.testimonials {
    padding: var(--space-24) var(--space-6);
    background-color: var(--background);
}

.testimonials-slider {
    position: relative;
    margin-bottom: var(--space-12);
}

.testimonials-track {
    display: flex;
    transition: transform 0.5s ease;
    gap: var(--space-8);
}

.testimonial-card {
    flex: 0 0 100%;
    background-color: var(--surface);
    padding: var(--space-12);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-md);
}

body.dark-mode .testimonial-card {
    background-color: var(--dark-surface);
    border-color: var(--dark-border);
}

.testimonial-stars {
    display: flex;
    gap: var(--space-1);
    margin-bottom: var(--space-6);
    color: var(--accent);
}

.testimonial-text {
    font-size: 1.1rem;
    font-style: italic;
    margin-bottom: var(--space-8);
    line-height: 1.8;
    color: var(--text-primary);
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
}

.author-name {
    font-weight: 700;
    color: var(--text-primary);
}

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

.testimonials-nav {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    margin-bottom: var(--space-8);
}

.testimonial-prev,
.testimonial-next {
    width: 44px;
    height: 44px;
    border: 2px solid var(--primary);
    border-radius: 50%;
    background: transparent;
    color: var(--primary);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.testimonial-prev:hover,
.testimonial-next:hover {
    background-color: var(--primary);
    color: white;
    transform: scale(1.1);
}

.testimonials-dots {
    display: flex;
    gap: var(--space-3);
    justify-content: center;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--border);
    cursor: pointer;
    transition: var(--transition);
}

.dot.active {
    background-color: var(--primary);
    transform: scale(1.3);
}

/* ============================================
   CTA SECTION
   ============================================ */

.cta-section {
    padding: var(--space-24) var(--space-6);
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    text-align: center;
}

.cta-content h2 {
    color: white;
    margin-bottom: var(--space-4);
    font-size: clamp(2rem, 5vw, 3rem);
}

.cta-content p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
    margin-bottom: var(--space-8);
}

.cta-buttons {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    flex-wrap: wrap;
}

.cta-buttons .btn-primary {
    background-color: white;
    color: var(--primary);
    box-shadow: none;
}

.cta-buttons .btn-primary:hover {
    background-color: rgba(255, 255, 255, 0.9);
    transform: translateY(-2px);
}

.cta-buttons .btn-secondary {
    border-color: white;
    color: white;
}

.cta-buttons .btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

/* ============================================
   NEWSLETTER SECTION
   ============================================ */

.newsletter {
    padding: var(--space-16) var(--space-6);
    background-color: var(--surface-dark);
}

body.dark-mode .newsletter {
    background-color: var(--dark-surface-light);
}

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

.newsletter-content h3 {
    margin-bottom: var(--space-3);
    font-size: 1.5rem;
}

.newsletter-content p {
    margin-bottom: var(--space-8);
    color: var(--text-secondary);
}

.newsletter-form {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
    justify-content: center;
}

.newsletter-form input {
    flex: 1;
    min-width: 250px;
    padding: var(--space-4) var(--space-6);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background-color: var(--surface);
    color: var(--text-primary);
    font-family: var(--font-body);
    transition: var(--transition);
}

body.dark-mode .newsletter-form input {
    background-color: var(--dark-surface);
    border-color: var(--dark-border);
    color: var(--dark-text-primary);
}

.newsletter-form input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    background-color: var(--text-primary);
    color: rgba(255, 255, 255, 0.8);
    padding: var(--space-16) var(--space-6) var(--space-8);
}

body.dark-mode .footer {
    background-color: var(--dark-bg);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-12);
    margin-bottom: var(--space-12);
}

.footer-col h4 {
    color: white;
    margin-bottom: var(--space-6);
    font-size: 1.125rem;
}

.footer-col p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    margin-bottom: var(--space-6);
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: var(--space-3);
}

.footer-col a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

.footer-col a:hover {
    color: var(--primary);
}

.social-icons {
    display: flex;
    gap: var(--space-4);
}

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

.social-icons a:hover {
    background-color: var(--primary);
    transform: translateY(-4px);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--space-8);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.95rem;
}

/* ============================================
   BACK TO TOP BUTTON
   ============================================ */

.back-to-top {
    position: fixed;
    bottom: var(--space-8);
    right: var(--space-8);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border: none;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    z-index: 999;
}

.back-to-top.show {
    display: flex;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

/* ============================================
   PAGE SPECIFIC LAYOUTS
   ============================================ */

/* Hero for secondary pages */
.page-hero {
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: calc(80px + var(--space-8)) var(--space-6) var(--space-12);
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="20" cy="20" r="2" fill="white" opacity="0.1"/><circle cx="80" cy="30" r="3" fill="white" opacity="0.1"/><circle cx="50" cy="80" r="2" fill="white" opacity="0.1"/></svg>');
    opacity: 0.5;
}

.page-hero-content {
    position: relative;
    z-index: 2;
}

.page-hero h1 {
    color: white;
    margin-bottom: var(--space-4);
}

.page-hero p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
}

/* Page content wrapper */
.page-content {
    min-height: calc(100vh - 300px - 400px);
    padding: var(--space-24) var(--space-6);
}