/* --- THEME & CONFIGURATION --- */
:root {
    --primary-color: #0d6efd;
    --secondary-color: #0a192f;
    --background-color: #f5f7fa;
    --surface-color: #ffffff;
    --text-primary: #1e2a3a;
    --text-secondary: #5a6473;
    --border-color: #e9ecef;
    --shadow-sm: 0 4px 15px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.1);
    --transition-fast: all 0.2s ease-in-out;
    --transition-smooth: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* --- GLOBAL STYLES --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}
body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--background-color);
    color: var(--text-primary);
    line-height: 1.8;
    font-size: 17px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}
body.mobile-nav-active {
    overflow: hidden;
}

.container {
    width: 90%;
    max-width: 1180px;
    margin: 0 auto;
}
section {
    padding: 100px 0;
    border-bottom: 1px solid var(--border-color);
    overflow: hidden; /* Prevents unwanted scrollbars during animation */
}
section:last-of-type {
    border-bottom: none;
}
#work, #about {
    background-color: var(--surface-color);
}


/* --- PRELOADER --- */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--secondary-color);
    z-index: 2000;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 0.8s ease, visibility 0.8s ease;
    visibility: visible;
    opacity: 1;
}

#preloader.loaded {
    opacity: 0;
    visibility: hidden;
}

.spinner {
    width: 60px;
    height: 60px;
    border: 5px solid rgba(255, 255, 255, 0.3);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* --- ENHANCED FADE ANIMATIONS --- */
[data-animation="fade-up"] {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.165, 0.84, 0.44, 1), transform 0.8s cubic-bezier(0.165, 0.84, 0.44, 1);
}

[data-animation="fade-up"].visible {
    opacity: 1;
    transform: translateY(0);
}


/* --- TYPOGRAPHY & HEADINGS --- */
h1, h2, h3, h4 {
    font-weight: 700;
    color: var(--secondary-color);
    line-height: 1.3;
}
h1 {
    font-size: clamp(2.5rem, 5.5vw, 4.5rem);
    font-weight: 800;
}
h2 {
    font-size: clamp(2rem, 4vw, 3.2rem);
}
h3 {
    font-size: 1.6rem;
}
p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}
.section-header .subtitle {
    color: var(--primary-color);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
}

/* --- REUSABLE COMPONENTS --- */
.btn {
    display: inline-block;
    padding: 14px 35px;
    background-image: linear-gradient(45deg, var(--primary-color) 0%, #0056b3 100%);
    color: #fff;
    text-decoration: none;
    font-weight: 600;
    border-radius: 8px;
    border: none;
    transition: var(--transition-fast);
    box-shadow: 0 4px 20px rgba(13, 110, 253, 0.3);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(13, 110, 253, 0.4);
}

.btn:active {
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(13, 110, 253, 0.3);
}

.btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 5px;
    height: 5px;
    background: rgba(255, 255, 255, 0.5);
    opacity: 0;
    border-radius: 50%;
    transform: translate(-50%, -50%) scale(1);
    transition: transform 0.8s, opacity 0.8s;
    z-index: -1;
}

.btn:active::after {
    transform: translate(-50%, -50%) scale(100);
    opacity: 1;
    transition: transform 0s, opacity 0s;
}

/* --- HEADER & NAVIGATION --- */
.main-header {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition-fast);
}
.header-scrolled {
    box-shadow: var(--shadow-sm);
    background: rgba(255, 255, 255, 0.95);
}
.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo {
    font-size: 2rem;
    font-weight: 800;
    text-decoration: none;
    color: var(--secondary-color);
}
.desktop-nav {
    display: flex;
    align-items: center;
}
.desktop-nav a {
    text-decoration: none;
    color: var(--text-primary);
    margin-left: 35px;
    font-weight: 500;
    transition: var(--transition-fast);
}
.desktop-nav a:hover, .desktop-nav a.active {
    color: var(--primary-color);
}
.desktop-nav .contact-btn {
    background-color: var(--primary-color);
    color: #fff;
    padding: 8px 20px;
    border-radius: 6px;
}
.desktop-nav .contact-btn:hover {
    color: #fff;
    transform: scale(1.05);
}

/* --- MOBILE NAVIGATION --- */
.mobile-nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
    padding: 10px;
}
.mobile-nav-toggle .icon-bar {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--secondary-color);
    margin: 5px 0;
    transition: var(--transition-smooth);
}
.mobile-nav-toggle.active .icon-bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}
.mobile-nav-toggle.active .icon-bar:nth-child(2) {
    opacity: 0;
}
.mobile-nav-toggle.active .icon-bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

.mobile-nav {
    position: fixed;
    top: 0;
    left: 100%;
    width: 100%;
    height: 100vh;
    background-color: rgba(10, 25, 47, 0.95);
    backdrop-filter: blur(5px);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: left 0.5s cubic-bezier(0.77, 0, 0.175, 1);
}
.mobile-nav.active {
    left: 0;
}
.mobile-nav a {
    color: #fff;
    text-decoration: none;
    font-size: 1.8rem;
    font-weight: 500;
    margin: 1.5rem 0;
    transform: translateY(20px);
    opacity: 0;
    transition: transform 0.3s ease, opacity 0.3s ease;
}
.mobile-nav.active a {
    transform: translateY(0);
    opacity: 1;
    transition-delay: 0.3s;
}

/* --- HERO SECTION --- */
.hero {
    padding-top: 160px;
    padding-bottom: 120px;
}
.hero .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 3rem;
}
.hero-text {
    flex-basis: 60%;
}
.hero-text .hero-description {
    font-size: 1.2rem;
    max-width: 600px;
    margin: 1.5rem 0 2.5rem 0;
}
.hero-image-wrapper {
    flex-basis: 40%;
    display: flex;
    align-items: center;
    justify-content: center;
}
.hero-visual {
    width: clamp(280px, 80vw, 380px);
    height: clamp(280px, 80vw, 380px);
    background-image: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    animation: morph 8s ease-in-out infinite, rotate 20s linear infinite;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: clamp(8rem, 25vw, 10rem);
    font-weight: 800;
}
@keyframes morph {
    0% {
        border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    }
    50% {
        border-radius: 70% 30% 30% 70% / 70% 70% 30% 30%;
    }
    100% {
        border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    }
}
@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* --- SERVICES SECTION --- */
#services {
    background-color: var(--surface-color);
}
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}
.service-card {
    background: var(--background-color);
    padding: 40px;
    border-radius: 12px;
    border: 1px solid transparent;
    text-align: left;
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-sm);
}
.service-card:hover {
    transform: translateY(-12px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}
.service-card .icon {
    font-size: 2.5rem;
    color: #fff;
    margin-bottom: 1.5rem;
    background-image: linear-gradient(45deg, var(--primary-color), #0056b3);
    width: 70px;
    height: 70px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
}
.service-card:hover .icon {
    transform: rotate(15deg) scale(1.1);
    box-shadow: 0 10px 20px rgba(13, 110, 253, 0.3);
}

/* --- OUR WORK SECTION --- */
.work-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}
.work-card {
    background: var(--background-color);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-smooth);
    border: 1px solid var(--border-color);
}
.work-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-md);
}
.work-card-image {
    height: 250px;
    overflow: hidden;
}
.work-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease-in-out;
}
.work-card:hover .work-card-image img {
    transform: scale(1.05);
}
.work-card-content {
    padding: 25px;
}
.work-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}
.work-tag {
    background: #e9ecef;
    color: var(--text-secondary);
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
    transition: all 0.2s ease-in-out;
}
.work-card:hover .work-tag {
    background-color: var(--primary-color);
    color: #fff;
}

/* --- ABOUT (Founder) SECTION --- */
.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    align-items: center;
    gap: 4rem;
}
.about-founder-image {
    text-align: center;
}
.about-founder-image img {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    object-fit: cover;
    border: 10px solid var(--background-color);
    box-shadow: var(--shadow-md);
}
.about-founder-image h4 {
    margin-top: 1.5rem;
    font-size: 1.5rem;
}
.about-founder-image p {
    color: var(--primary-color);
    font-weight: 500;
    font-size: 1.1rem;
}

/* --- CALL TO ACTION --- */
.cta-section {
    background-image: linear-gradient(45deg, var(--secondary-color), #1c2e4c);
    color: #fff;
    padding: 100px 0;
    text-align: center;
}
.cta-section h2, .cta-section p {
    color: #fff;
}
.cta-section h2 {
    max-width: 700px;
    margin: 0 auto 1.5rem auto;
}
.cta-section p {
    max-width: 600px;
    margin: 0 auto 2.5rem auto;
    opacity: 0.8;
}

/* --- FOOTER --- */
.site-footer {
    background: var(--secondary-color);
    color: #fff;
    padding-top: 60px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 2rem;
    padding-bottom: 40px;
}
.footer-grid h4 {
    color: #fff;
    margin-bottom: 1rem;
}
.footer-grid p, .footer-grid a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    transition: var(--transition-fast);
}
.footer-grid a:hover {
    color: #fff;
}
.footer-grid ul {
    list-style: none;
}
.footer-grid li {
    margin-bottom: 0.5rem;
}
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    text-align: center;
    padding: 25px 0;
}

/* --- RESPONSIVE MEDIA QUERIES --- */
@media (max-width: 992px) {
    .desktop-nav {
        display: none;
    }
    .mobile-nav-toggle {
        display: block;
    }
    .hero .container {
        flex-direction: column;
        text-align: center;
    }
    .about-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero-text {
        order: 2;
    }
    .hero-image-wrapper {
        order: 1;
        margin-bottom: 3rem;
    }
    .about-founder-image {
        order: 1;
        margin-bottom: 3rem;
    }
    .about-text {
        order: 2;
    }
    .section-header, .about-text {
        text-align: center;
    }
}
@media (max-width: 768px) {
    body {
        font-size: 16px;
    }
    .about-founder-image img {
        width: 240px;
        height: 240px;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
}