/* ==========================================
   CUSTOM PROPERTIES & VARIABLES
   ========================================== */
:root {
    /* Color Palette */
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary-color: #ec4899;
    --accent-color: #14b8a6;
    --dark-bg: #0f172a;
    --dark-secondary: #1e293b;
    --light-bg: #f8fafc;
    --text-dark: #1e293b;
    --text-light: #64748b;
    --white: #ffffff;

    /* Typography */
    --font-primary: 'Poppins', sans-serif;
    --font-display: 'Playfair Display', serif;

    /* Spacing */
    --section-padding: 100px 0;

    /* Transitions */
    --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.2s ease;
}

/* ==========================================
   GLOBAL STYLES
   ========================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--text-dark);
    line-height: 1.7;
    overflow-x: hidden;
    background-color: var(--white);
}

section {
    padding: var(--section-padding);
    position: relative;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
}

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

/* ==========================================
   NAVIGATION
   ========================================== */
.navbar {
    padding: 1rem 0;
    background-color: transparent;
    transition: var(--transition-smooth);
}

.navbar.scrolled {
    background-color: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.navbar-logo {
    height: 40px;
    width: auto;
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.3));
    transition: var(--transition-fast);
}

.navbar.scrolled .navbar-logo {
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.5));
}

.navbar-brand:hover .navbar-logo {
    transform: scale(1.05);
}

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

.brand-highlight {
    color: var(--primary-color);
}

.navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.8);
    margin: 0 0.5rem;
    padding: 0.5rem 1rem;
    font-weight: 500;
    transition: var(--transition-fast);
    position: relative;
}

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transition: var(--transition-smooth);
}

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

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

/* ==========================================
   HERO SECTION
   ========================================== */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    background-image: url('./img/bg1.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: var(--white);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.9) 0%, rgba(139, 92, 246, 0.85) 100%);
    z-index: 1; 
}

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

.hero-logo {
    max-width: 280px;
    width: 100%;
    height: auto;
    margin-bottom: 2rem;
    filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.3));
    transition: var(--transition-smooth);
    animation: logoFloat 3s ease-in-out infinite;
}

.hero-logo:hover {
    filter: drop-shadow(0 15px 40px rgba(99, 102, 241, 0.5));
    transform: scale(1.05);
}

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

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-family: var(--font-display);
    font-weight: 900;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.text-gradient {
    background: linear-gradient(90deg, #fbbf24, #f59e0b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    margin-bottom: 2.5rem;
    opacity: 0.95;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons .btn {
    padding: 0.875rem 2.5rem;
    font-weight: 600;
    border-radius: 50px;
    transition: var(--transition-smooth);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border: none;
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(99, 102, 241, 0.4);
}

.btn-outline-light {
    border: 2px solid var(--white);
    background: transparent;
}

.btn-outline-light:hover {
    background: var(--white);
    color: var(--primary-color);
    transform: translateY(-3px);
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    animation: bounce 2s infinite;
}

.scroll-indicator a {
    color: var(--white);
    font-size: 2rem;
    text-decoration: none;
}

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

/* ==========================================
   SECTION LABELS & TITLES
   ========================================== */
.section-label {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(236, 72, 153, 0.1));
    color: var(--primary-color);
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
    border: 2px solid transparent;
    background-origin: border-box;
    background-clip: padding-box, border-box;
    position: relative;
}

.section-label::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50px;
    padding: 2px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0.3;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-family: var(--font-display);
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

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

.about-image-wrapper {
    position: relative;
}

.about-image-bg {
    position: absolute;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 1rem;
    top: 20px;
    left: 20px;
    z-index: -1;
}

.about-image {
    position: relative;
    z-index: 1;
    transition: var(--transition-smooth);
}

.about-image:hover {
    transform: translate(-10px, -10px);
}

.stat-card {
    padding: 1.5rem;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05), rgba(236, 72, 153, 0.05));
    border-radius: 1rem;
    text-align: center;
    transition: var(--transition-smooth);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-light);
    font-weight: 500;
    margin: 0;
}

/* ==========================================
   SERVICES SECTION
   ========================================== */
.services-section {
    background: linear-gradient(180deg, var(--light-bg) 0%, var(--white) 100%);
}

.parallax-light {
    background-image: url('https://images.unsplash.com/photo-1557683316-973673baf926?w=1920&h=1080&fit=crop');
    background-attachment: fixed;
    background-size: cover;
    background-position: center;
    position: relative;
}

.parallax-light::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(248, 250, 252, 0.95);
    z-index: 1;
}

.parallax-light .container {
    position: relative;
    z-index: 2;
}

.service-card {
    padding: 2.5rem;
    background: var(--white);
    border-radius: 1.5rem;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    transition: var(--transition-smooth);
    height: 100%;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transition: var(--transition-smooth);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

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

.service-card.featured {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--white);
    transform: scale(1.05);
}

.service-card.featured .service-title,
.service-card.featured .service-description {
    color: var(--white);
}

.featured-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--secondary-color);
    color: var(--white);
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(236, 72, 153, 0.1));
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    transition: var(--transition-smooth);
}

.service-card.featured .service-icon {
    background: rgba(255, 255, 255, 0.2);
}

.service-icon i {
    font-size: 2rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.service-card.featured .service-icon i {
    background: var(--white);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.service-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.service-description {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.service-features {
    list-style: none;
    padding: 0;
}

.service-features li {
    padding: 0.5rem 0;
    color: var(--text-light);
}

.service-card.featured .service-features li {
    color: rgba(255, 255, 255, 0.9);
}

.service-features i {
    color: var(--accent-color);
    margin-right: 0.5rem;
}

.service-card.featured .service-features i {
    color: var(--white);
}

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

.portfolio-card {
    border-radius: 1rem;
    overflow: hidden;
    transition: var(--transition-smooth);
    background: var(--white);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

.portfolio-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.portfolio-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16/11;
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.portfolio-card:hover .portfolio-image img {
    transform: scale(1.1);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.95), rgba(139, 92, 246, 0.95));
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-smooth);
}

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

.portfolio-overlay-content {
    text-align: center;
    color: var(--white);
    padding: 2rem;
}

.portfolio-overlay-content h4 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.portfolio-overlay-content p {
    margin-bottom: 1rem;
    opacity: 0.9;
}

.portfolio-info {
    padding: 1.5rem;
}

.portfolio-title {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.portfolio-category {
    color: var(--text-light);
    font-size: 0.9rem;
    margin: 0;
}

/* ==========================================
   CONTACT SECTION
   ========================================== */
.contact-section {
    background-image: url('https://images.unsplash.com/photo-1519389950473-47ba0277781c?w=1920&h=1080&fit=crop');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    position: relative;
    color: var(--white);
}

.parallax-dark {
    position: relative;
}

.parallax-dark::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.95), rgba(30, 41, 59, 0.9));
    z-index: 1;
}

.parallax-dark .container {
    position: relative;
    z-index: 2;
}

.contact-info .contact-item {
    display: flex;
    gap: 1rem;
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon i {
    font-size: 1.5rem;
    color: var(--white);
}

.contact-details h5 {
    margin-bottom: 0.25rem;
}

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

.social-link {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.25rem;
    transition: var(--transition-smooth);
    text-decoration: none;
}

.social-link:hover {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    transform: translateY(-5px);
    color: var(--white);
}

.contact-form-wrapper {
    background: rgba(255, 255, 255, 0.95);
    padding: 2.5rem;
    border-radius: 1.5rem;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
}

.contact-form .form-control {
    padding: 0.875rem 1.25rem;
    border: 2px solid rgba(99, 102, 241, 0.1);
    border-radius: 0.75rem;
    transition: var(--transition-fast);
    background: var(--white);
}

.contact-form .form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(99, 102, 241, 0.1);
}

.contact-form textarea.form-control {
    resize: none;
}

/* ==========================================
   FOOTER
   ========================================== */
.footer {
    background-color: var(--dark-bg);
    color: var(--white);
}

.footer-link {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-link:hover {
    color: var(--white);
}

/* ==========================================
   BACK TO TOP BUTTON
   ========================================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    border: none;
    border-radius: 50%;
    font-size: 1.25rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-smooth);
    z-index: 1000;
    box-shadow: 0 5px 20px rgba(99, 102, 241, 0.3);
}

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

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.4);
}

/* ==========================================
   RESPONSIVE DESIGN
   ========================================== */
@media (max-width: 991.98px) {
    :root {
        --section-padding: 60px 0;
    }

    .navbar-nav {
        padding: 1rem 0;
    }

    .navbar-nav .nav-link {
        padding: 0.75rem 1rem;
    }

    .hero-logo {
        max-width: 220px;
        margin-bottom: 1.5rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .about-image-wrapper {
        margin-bottom: 2rem;
    }

    .contact-form-wrapper {
        margin-top: 2rem;
    }
}

@media (max-width: 767.98px) {
    .hero-logo {
        max-width: 180px;
        margin-bottom: 1.5rem;
    }

    .hero-buttons .btn {
        display: block;
        width: 100%;
        margin: 0 0 1rem 0 !important;
    }

    .stat-card {
        margin-bottom: 1rem;
    }

    .service-card.featured {
        transform: scale(1);
    }

    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
}

@media (max-width: 575.98px) {
    .hero-logo {
        max-width: 160px;
        margin-bottom: 1.25rem;
    }

    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .contact-form-wrapper {
        padding: 1.5rem;
    }
}

/* ==========================================
   ANIMATIONS & UTILITIES
   ========================================== */
.hover-lift {
    transition: var(--transition-smooth);
}

.hover-lift:hover {
    transform: translateY(-5px);
}

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

::-webkit-scrollbar-track {
    background: var(--light-bg);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--primary-color), var(--secondary-color));
    border-radius: 5px;
}

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

/* Selection color */
::selection {
    background: var(--primary-color);
    color: var(--white);
}

::-moz-selection {
    background: var(--primary-color);
    color: var(--white);
}