/* --- Variables --- */
:root {
    /* Logo Colors */
    --primary: #00C6FF;
    /* Cyber Blue / Cyan from logo outline */
    --accent: #FFD600;
    /* Yellow/Gold from bulb */
    --bg-dark: #050a14;
    /* Very dark navy - matching logo bg */
    --bg-card: #0f172a;
    /* Slightly lighter navy for cards */
    --text-main: #F3F4F6;
    /* Off-white for readability */
    --text-muted: #9CA3AF;
    /* Muted gray for subtitles */
    --white: #FFFFFF;

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);

    --font-family: 'Inter', sans-serif;
    --transition: all 0.3s ease;
}

/* --- Reset & Base --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    color: var(--text-main);
    line-height: 1.6;
    background-color: var(--bg-dark);
    /* Dark Theme */
}

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

ul {
    list-style: none;
}

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

/* --- Utils --- */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.section {
    padding: 4rem 0;
}

.section__header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 3rem;
}

.section__title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 0.5rem;
}

.section__subtitle {
    font-size: 1.125rem;
    color: var(--text-muted);
}

.badge {
    display: inline-block;
    background-color: rgba(0, 198, 255, 0.15);
    color: var(--primary);
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: 1px solid rgba(0, 198, 255, 0.2);
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 999px;
    font-weight: 600;
    cursor: pointer;
    font-size: 1rem;
    transition: var(--transition);
}

.btn--primary {
    background: linear-gradient(135deg, var(--primary) 0%, #0072ff 100%);
    color: var(--white);
    border: none;
    box-shadow: 0 4px 14px 0 rgba(0, 118, 255, 0.39);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 118, 255, 0.23);
    filter: brightness(1.1);
}

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

.btn--outline:hover {
    background-color: var(--primary);
    color: var(--white);
    box-shadow: 0 4px 14px 0 rgba(0, 118, 255, 0.39);
}

/* --- Header --- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(5, 10, 20, 0.85);
    /* Dark bg with transparency */
    backdrop-filter: blur(12px);
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    height: 80px;
    display: flex;
    align-items: center;
}

.header__container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-img {
    height: 60px;
    /* Adjusted size for the uploaded logo */
    width: auto;
}

.nav__list {
    display: none;
}

.nav__toggle {
    font-size: 1.75rem;
    color: var(--white);
    cursor: pointer;
}

@media (min-width: 768px) {
    .nav__list {
        display: flex;
        align-items: center;
        gap: 2rem;
    }

    .nav__link {
        font-weight: 500;
        color: var(--text-main);
        font-size: 0.95rem;
        position: relative;
    }

    .nav__link:hover {
        color: var(--primary);
    }

    .nav__link::after {
        content: '';
        position: absolute;
        width: 0;
        height: 2px;
        bottom: -4px;
        left: 0;
        background-color: var(--primary);
        transition: width 0.3s;
    }

    .nav__link:hover::after {
        width: 100%;
    }

    .nav__toggle {
        display: none;
    }

    .nav__link.btn {
        color: var(--white);
        padding: 0.5rem 1.25rem;
        font-size: 0.9rem;
    }

    .nav__link.btn:hover {
        color: var(--white);
    }

    .nav__link.btn::after {
        display: none;
    }
}

/* --- Mobile Menu --- */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background-color: var(--bg-card);
    z-index: 1100;
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.5);
    transition: right 0.4s ease;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    border-left: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3rem;
}

.mobile-menu__close {
    font-size: 1.75rem;
    cursor: pointer;
    color: var(--text-muted);
}

.mobile-menu__list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.mobile-menu__link {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--white);
}

.mobile-menu__link:hover {
    color: var(--primary);
}

/* --- Hero --- */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    padding-top: 80px;
}

.hero__bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero__bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.6);
    /* Darken image for better text contrast */
}

/* Add a subtle gradient overlay to match brand colors */
.hero__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(5, 10, 20, 0.8), rgba(5, 10, 20, 0.6), var(--bg-dark));
}

.hero__content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero__title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.hero__title span {
    color: var(--primary);
    /* Highlight keywords with cyan */
}

.hero__subtitle {
    font-size: 1.125rem;
    margin-bottom: 2.5rem;
    color: rgba(255, 255, 255, 0.9);
}

.hero__buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
    justify-content: center;
    margin-bottom: 3rem;
}

.hero__features {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    padding: 0.5rem 1rem;
    border-radius: 999px;
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.feature-item i {
    color: var(--accent);
    /* Yellow checks look great on dark */
    font-size: 1.2rem;
}

@media (min-width: 768px) {
    .hero__title {
        font-size: 3.5rem;
    }

    .hero__buttons {
        flex-direction: row;
    }
}

/* --- Services --- */
.services {
    background-color: var(--bg-dark);
}

.services__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 640px) {
    .services__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .services__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.service-card {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.05);
    position: relative;
    overflow: hidden;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 0 20px rgba(0, 198, 255, 0.1);
    /* Glow effect */
    border-color: var(--primary);
}

.service-card__icon {
    width: 3.5rem;
    height: 3.5rem;
    background: linear-gradient(135deg, rgba(0, 198, 255, 0.1), rgba(0, 114, 255, 0.1));
    color: var(--primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(0, 198, 255, 0.2);
}

.service-card__title {
    font-size: 1.35rem;
    margin-bottom: 1rem;
    color: var(--white);
}

.service-card__desc {
    font-size: 0.95rem;
    color: var(--text-muted);
}

/* --- Gallery --- */
.gallery {
    background-color: #0b1121;
    /* Slightly different shade for separation */
}

.gallery__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

@media (min-width: 768px) {
    .gallery__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.gallery__item {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    aspect-ratio: 1 / 1;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.gallery__item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.gallery__item:hover img {
    transform: scale(1.1);
}

.gallery__overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 1rem;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9), transparent);
    color: var(--white);
    opacity: 1;
}

.gallery__overlay span {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--accent);
    /* Pop of yellow text */
}

/* --- Why Choose Us --- */
.why-choose {
    background-color: var(--bg-dark);
}

.why-choose__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
}

@media (min-width: 900px) {
    .why-choose__grid {
        grid-template-columns: 1fr 1fr;
    }
}

.check-list {
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.check-list li {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.check-list i {
    color: var(--primary);
    /* Cyan checkmarks */
    font-size: 1.5rem;
    flex-shrink: 0;
    margin-top: 3px;
    filter: drop-shadow(0 0 5px rgba(0, 198, 255, 0.5));
}

.check-list strong {
    display: block;
    color: var(--white);
    margin-bottom: 0.25rem;
    font-size: 1.1rem;
}

.check-list p {
    font-size: 0.95rem;
    color: var(--text-muted);
}

.why-choose__image img {
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* --- Footer --- */
.footer {
    background-color: #02040a;
    /* Almost black */
    color: var(--white);
    padding-top: 5rem;
    padding-bottom: 2rem;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer__main {
    max-width: 600px;
    margin: 0 auto 4rem;
}

.footer__title {
    font-size: 2rem;
    margin-bottom: 1rem;
    background: linear-gradient(to right, var(--white), var(--text-muted));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.footer__text {
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.footer__contacts {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
    margin-bottom: 2rem;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.1rem;
    color: var(--text-main);
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 999px;
    transition: all 0.3s;
}

.contact-link:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--primary);
    transform: translateY(-2px);
}

@media (min-width: 600px) {
    .footer__contacts {
        flex-direction: row;
        justify-content: center;
        gap: 2rem;
    }
}

.footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 2rem;
    font-size: 0.875rem;
    color: var(--text-muted);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

/* --- Floating WhatsApp --- */
.floating-wa {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 3.5rem;
    height: 3.5rem;
    background-color: #25D366;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: 0 0 20px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: transform 0.3s;
}

.floating-wa:hover {
    transform: scale(1.1);
}

/* Developer Credit */
.footer__dev {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
    opacity: 0.8;
}

.footer__dev a {
    font-weight: 700;
    color: var(--white);
    letter-spacing: 0.5px;
    transition: var(--transition);
}

.footer__dev a:hover {
    color: var(--primary);
    text-shadow: 0 0 10px rgba(0, 198, 255, 0.4);
}