/**
 * Solution3D Main Stylesheet
 * A modern, full-width theme with black background and blue accents
 */

/* ==============================================
   CSS Variables
   ============================================== */
:root {
    --color-bg: #000000;
    --color-bg-alt: #0a0a0a;
    --color-bg-card: #111111;
    --color-text: #ffffff;
    --color-text-muted: #a0a0a0;
    --color-primary: #2563eb;
    --color-primary-hover: #1d4ed8;
    --color-border: #222222;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --container-max: 1400px;
    --section-padding: 120px;
    --transition: all 0.3s ease;
}

/* ==============================================
   Reset & Base
   ============================================== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    overflow-x: hidden;
}

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

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

ul, ol {
    list-style: none;
}

/* ==============================================
   Typography
   ============================================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h1 {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 800;
}

h2 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
}

h3 {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    font-weight: 600;
}

h4 {
    font-size: 1.125rem;
    font-weight: 600;
}

p {
    color: var(--color-text-muted);
}

/* ==============================================
   Layout
   ============================================== */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

.site-main {
    min-height: 100vh;
}

/* ==============================================
   Buttons
   ============================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 32px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

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

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

.btn-secondary {
    background-color: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    background-color: var(--color-bg-card);
    border-color: var(--color-text-muted);
}

/* ==============================================
   Header
   ============================================== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
}

/* Ensure header stays above mobile menu */
.site-header .header-inner {
    position: relative;
    z-index: 1003;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 16px 24px;
}

.site-branding .site-title {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-text);
    letter-spacing: -0.02em;
}

.site-branding .site-logo-link {
    display: flex;
    align-items: center;
}

.site-branding .site-logo {
    height: 40px;
    width: auto;
}

.site-branding .custom-logo {
    height: 40px;
    width: auto;
}

.primary-navigation .nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.primary-navigation .nav-menu a {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-muted);
    transition: var(--transition);
}

.primary-navigation .nav-menu a:hover {
    color: var(--color-text);
}

.primary-navigation .nav-menu .nav-cta {
    background-color: var(--color-primary);
    color: var(--color-text);
    padding: 10px 20px;
    border-radius: 6px;
}

.primary-navigation .nav-menu .nav-cta:hover {
    background-color: var(--color-primary-hover);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.hamburger {
    display: flex;
    flex-direction: column;
    gap: 5px;
    width: 24px;
}

.hamburger span {
    display: block;
    height: 2px;
    background-color: var(--color-text);
    transition: var(--transition);
    transform-origin: center;
}

/* Hamburger to X animation */
.menu-toggle[aria-expanded="true"] .hamburger span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .hamburger span:nth-child(2) {
    opacity: 0;
}

.menu-toggle[aria-expanded="true"] .hamburger span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ==============================================
   Hero Section
   ============================================== */
.hero-section {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    text-align: center;
    padding: var(--section-padding) 24px;
    padding-top: calc(var(--section-padding) + 80px);
}

.hero-content {
    max-width: 900px;
}

.hero-headline {
    margin-bottom: 24px;
    color: var(--color-text);
}

.hero-subtext {
    font-size: clamp(1.125rem, 2vw, 1.375rem);
    max-width: 600px;
    margin: 0 auto 40px;
    color: var(--color-text-muted);
}

/* ==============================================
   Services Overview
   ============================================== */
.services-overview {
    padding: var(--section-padding) 0;
    border-top: 1px solid var(--color-border);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.service-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 48px 24px;
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    transition: var(--transition);
}

.service-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-4px);
}

.service-icon {
    margin-bottom: 24px;
    color: var(--color-primary);
}

.service-card h3 {
    color: var(--color-text);
}

/* ==============================================
   Service Sections
   ============================================== */
.service-section {
    padding: var(--section-padding) 0;
    border-top: 1px solid var(--color-border);
}

.service-section-alt {
    background-color: var(--color-bg-alt);
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-header h2 {
    margin-bottom: 16px;
    color: var(--color-text);
}

.section-desc {
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Sub-services Grid */
.sub-services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.sub-services-grid-2 {
    grid-template-columns: repeat(2, 1fr);
    max-width: 900px;
    margin: 0 auto;
}

.sub-service-card {
    padding: 40px;
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    transition: var(--transition);
}

.sub-service-card:hover {
    border-color: var(--color-text-muted);
}

.sub-service-icon {
    margin-bottom: 20px;
    color: var(--color-primary);
}

.sub-service-card h4 {
    margin-bottom: 12px;
    color: var(--color-text);
}

.sub-service-card p {
    font-size: 0.9375rem;
    margin-bottom: 20px;
}

.sub-service-card .btn {
    margin-top: auto;
}

/* Featured Card */
.sub-service-card-featured {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
    padding: 60px;
}

.sub-service-card-featured .sub-service-icon {
    display: flex;
    justify-content: center;
}

/* ==============================================
   Gallery Section
   ============================================== */
.gallery-section {
    margin-top: 80px;
}

.gallery-title {
    text-align: center;
    margin-bottom: 40px;
    color: var(--color-text);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.gallery-placeholder {
    aspect-ratio: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    background-color: var(--color-bg-card);
    border: 1px dashed var(--color-border);
    border-radius: 12px;
    color: var(--color-text-muted);
}

.gallery-placeholder span {
    font-size: 0.875rem;
}

/* ==============================================
   Contact Section
   ============================================== */
.contact-section {
    padding: var(--section-padding) 0;
    border-top: 1px solid var(--color-border);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 64px;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-link {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-size: 1rem;
    color: var(--color-text-muted);
    transition: var(--transition);
}

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

.contact-link svg {
    flex-shrink: 0;
}

.whatsapp-link:hover {
    color: #25D366;
}

/* Contact Form */
.contact-form-wrapper {
    background-color: var(--color-bg-card);
    padding: 40px;
    border-radius: 16px;
    border: 1px solid var(--color-border);
}

.contact-form .form-group {
    margin-bottom: 24px;
}

.contact-form label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 14px 16px;
    font-size: 1rem;
    font-family: inherit;
    color: var(--color-text);
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    transition: var(--transition);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

.contact-form textarea {
    resize: vertical;
    min-height: 120px;
}

.contact-form select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23a0a0a0' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 18px;
}

/* ==============================================
   Footer
   ============================================== */
.site-footer {
    background-color: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
    padding: 80px 0 40px;
}

.footer-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 64px;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 12px;
    color: var(--color-text);
}

.footer-tagline {
    color: var(--color-text-muted);
}

.footer-logo-link {
    display: inline-block;
    margin-bottom: 16px;
}

.footer-logo-img {
    height: 36px;
    width: auto;
}

.footer-column h4 {
    margin-bottom: 20px;
    color: var(--color-text);
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
}

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

.footer-address {
    font-style: normal;
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    line-height: 1.8;
    margin-bottom: 16px;
}

.footer-email {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    transition: var(--transition);
}

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

.social-links {
    display: flex;
    gap: 16px;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background-color: var(--color-bg-card);
    color: var(--color-text-muted);
    transition: var(--transition);
}

.social-links a:hover {
    background-color: var(--color-primary);
    color: var(--color-text);
}

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid var(--color-border);
    text-align: center;
}

.copyright {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

/* ==============================================
   Responsive Styles
   ============================================== */
@media (max-width: 1024px) {
    :root {
        --section-padding: 80px;
    }

    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .sub-services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 60px;
    }

    /* Mobile Navigation */
    .menu-toggle {
        display: block;
        z-index: 1010;
        position: relative;
    }

    .site-header {
        z-index: 1005;
    }

    .primary-navigation {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        height: 100dvh;
        padding-top: 80px;
        z-index: 998;
        /* Liquid Glass Effect */
        background: rgb(10 10 10 / 50%);
        -webkit-backdrop-filter: blur(25px) saturate(180%);
        backdrop-filter: blur(25px) saturate(180%);
        /* Animation setup */
        opacity: 0;
        visibility: hidden;
        transform: translateY(-20px);
        transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease;
    }

    .primary-navigation.is-open {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    .primary-navigation .nav-menu {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 0;
        text-align: center;
        padding: 0 24px;
        width: 100%;
        list-style: none;
        margin: 0;
    }

    .primary-navigation .nav-menu li {
        width: 100%;
        border-bottom: 1px solid #222;
    }

    .primary-navigation .nav-menu li:last-child {
        border-bottom: none;
    }

    .primary-navigation .nav-menu a {
        font-size: 1.25rem;
        font-weight: 500;
        color: #ffffff;
        display: block;
        padding: 20px 0;
        text-decoration: none;
    }

    .primary-navigation .nav-menu a:hover,
    .primary-navigation .nav-menu a:focus {
        color: #2563eb;
    }

    .primary-navigation .nav-menu .nav-cta {
        background-color: #2563eb;
        color: #ffffff;
        padding: 16px 32px;
        border-radius: 8px;
        margin-top: 20px;
        display: inline-block;
    }

    /* Hero */
    .hero-section {
        min-height: auto;
        padding: 140px 24px 80px;
    }

    /* Services */
    .services-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .service-card {
        padding: 32px 24px;
    }

    .sub-services-grid,
    .sub-services-grid-2 {
        grid-template-columns: 1fr;
    }

    .sub-service-card {
        padding: 32px;
    }

    .sub-service-card-featured {
        padding: 40px;
    }

    /* Gallery */
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Contact */
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .contact-form-wrapper {
        padding: 24px;
    }

    /* Footer */
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

@media (max-width: 480px) {
    .gallery-grid {
        grid-template-columns: 1fr;
    }

    .btn {
        width: 100%;
    }
}

/* ==============================================
   Animations
   ============================================== */
[data-aos] {
    pointer-events: none;
}

[data-aos].aos-animate {
    pointer-events: auto;
}

/* Smooth scroll offset for fixed header */
html {
    scroll-padding-top: 100px;
}