/* =========================
   CSS Variables & Typography
   ========================= */
   :root {
    --primary-color: #0f172a; /* Deep Navy */
    --primary-light: #1e293b;
    --accent-color: #d97706; /* Amber / Gold Construction Accent */
    --accent-hover: #b45309;
    --text-color: #334155;
    --text-muted: #64748b;
    --bg-light: #f8fafc;
    --white: #ffffff;
    --border-color: #e2e8f0;
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

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

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

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

ul {
    list-style: none;
}

/* =========================
   Utility Classes
   ========================= */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 100px 0;
}

.bg-light {
    background-color: var(--bg-light);
}

.text-center {
    text-align: center;
}

.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.ms-2 { margin-left: 0.5rem; }
.mx-auto { margin-left: auto; margin-right: auto; }
.text-muted { color: var(--text-muted); }
.max-w-600 { max-width: 600px; }

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.8rem 1.8rem;
    border-radius: 4px;
    font-weight: 600;
    font-family: var(--font-heading);
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

.btn-sm {
    padding: 0.5rem 1.2rem;
    font-size: 0.9rem;
}

.btn-primary {
    background-color: var(--accent-color);
    color: var(--white);
    box-shadow: 0 4px 14px rgba(217, 119, 6, 0.3);
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(217, 119, 6, 0.4);
    color: white;
}

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

.btn-outline:hover {
    background-color: var(--white);
    color: var(--primary-color);
}

/* =========================
   Navigation
   ========================= */
#navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    padding: 15px 0;
}

#navbar.scrolled {
    padding: 10px 0;
    box-shadow: var(--shadow-md);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon i {
    font-size: 2rem;
    color: var(--accent-color);
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 800;
    line-height: 1.1;
    color: var(--primary-color);
}

.logo-text small {
    font-size: 0.7rem;
    letter-spacing: 2px;
    color: var(--text-muted);
}

.accent-text {
    color: var(--accent-color);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-links a {
    font-weight: 500;
    font-size: 1rem;
    color: var(--primary-color);
    position: relative;
}

.nav-links a:not(.btn)::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0%;
    height: 2px;
    background-color: var(--accent-color);
    transition: var(--transition);
}

.nav-links a:not(.btn):hover::after {
    width: 100%;
}

.nav-links a:not(.btn):hover {
    color: var(--accent-color);
}

.hamburger {
    display: none;
    cursor: pointer;
}

.hamburger div {
    width: 25px;
    height: 3px;
    background-color: var(--primary-color);
    margin: 5px;
    transition: var(--transition);
}

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

.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;
    object-position: center;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, rgba(15, 23, 42, 0.9) 0%, rgba(15, 23, 42, 0.6) 50%, rgba(15, 23, 42, 0.3) 100%);
}

.hero-content {
    width: 100%;
    z-index: 1;
}

.subtitle {
    font-size: 1rem;
    letter-spacing: 3px;
    color: var(--accent-color);
    margin-bottom: 15px;
    text-transform: uppercase;
}

.main-title {
    font-size: 4rem;
    color: var(--white);
    margin-bottom: 25px;
    max-width: 800px;
}

.gradient-text {
    background: linear-gradient(to right, #ffffff, #cbd5e1);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-desc {
    font-size: 1.2rem;
    max-width: 600px;
    margin-bottom: 35px;
    color: #e2e8f0;
}

.hero-btns {
    display: flex;
    gap: 15px;
}

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

.scroll-down a {
    color: var(--white);
    font-size: 1.5rem;
    opacity: 0.7;
}

.scroll-down a:hover {
    opacity: 1;
    color: var(--accent-color);
}

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

/* =========================
   Section Header & Divider
   ========================= */
.section-subtitle {
    color: var(--accent-color);
    font-size: 1rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 10px;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.divider {
    height: 3px;
    width: 60px;
    background-color: var(--accent-color);
    margin-bottom: 40px;
}

/* =========================
   Services Section
   ========================= */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background-color: var(--accent-color);
    transform: scaleY(0);
    transition: var(--transition);
    transform-origin: bottom;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

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

.icon-wrapper {
    width: 70px;
    height: 70px;
    background-color: var(--bg-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: var(--accent-color);
    font-size: 1.8rem;
    transition: var(--transition);
}

.service-card:hover .icon-wrapper {
    background-color: var(--primary-color);
    color: var(--white);
    transform: rotateY(180deg);
}

.service-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
}

/* =========================
   About Section
   ========================= */
.about-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-image {
    position: relative;
}

.image-frame {
    position: relative;
    padding-bottom: 20px;
    padding-right: 20px;
}

.image-frame::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 60%;
    height: 60%;
    border: 10px solid var(--accent-color);
    z-index: 0;
}

.image-frame img {
    width: 100%;
    border-radius: 4px;
    position: relative;
    z-index: 1;
    box-shadow: var(--shadow-lg);
}

.experience-badge {
    position: absolute;
    bottom: 40px;
    left: -30px;
    background-color: var(--primary-color);
    color: var(--white);
    padding: 20px 30px;
    border-radius: 4px;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 15px;
    box-shadow: var(--shadow-md);
}

.experience-badge .number {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--accent-color);
}

.experience-badge .text {
    font-size: 0.9rem;
    font-weight: 500;
    line-height: 1.2;
}

.check-list {
    margin-top: 25px;
}

.check-list li {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 15px;
    font-weight: 500;
}

.check-list li i {
    color: var(--accent-color);
    font-size: 1.2rem;
}

/* =========================
   Past Works Gallery Section
   ========================= */
.past-works-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.gallery-item {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    aspect-ratio: 4 / 3;
}

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

.gallery-item:hover img {
    transform: scale(1.05);
}

.more-projects-tile {
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: var(--bg-light);
    border: 2px dashed var(--accent-color);
    padding: 20px;
    transition: var(--transition);
}

.more-projects-tile:hover {
    background: rgba(217, 119, 6, 0.05);
    border-style: solid;
}

.more-projects-tile .tile-content {
    transition: transform 0.3s ease;
}

.more-projects-tile:hover .tile-content {
    transform: scale(1.05);
}

.more-projects-tile i {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 10px;
}

.more-projects-tile h3 {
    color: var(--primary-color);
    font-size: 1.2rem;
    margin-bottom: 5px;
}

.more-projects-tile p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin: 0;
}

/* =========================
   Projects Section
   ========================= */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.project-card {
    background: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.project-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-5px);
}

.project-img-wrapper {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.project-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.project-card:hover .project-img-wrapper img {
    transform: scale(1.1);
}

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

.view-btn {
    width: 50px;
    height: 50px;
    background-color: var(--accent-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transform: translateY(20px);
    transition: all 0.4s ease;
}

.project-card:hover .view-btn {
    transform: translateY(0);
}

.view-btn:hover {
    background-color: var(--white);
    color: var(--primary-color);
}

.project-info {
    padding: 25px;
}

.project-category {
    font-size: 0.85rem;
    color: var(--accent-color);
    text-transform: uppercase;
    font-weight: 600;
    margin-bottom: 5px;
    display: block;
}

.project-info h3 {
    font-size: 1.2rem;
}

/* =========================
   CTA Section
   ========================= */
.cta-section {
    background: linear-gradient(rgba(15, 23, 42, 0.9), rgba(15, 23, 42, 0.9)), url('./images/hero_blueprint.png') center/cover no-repeat fixed;
    padding: 80px 0;
    color: var(--white);
}

.cta-section h2 {
    color: var(--white);
    margin-bottom: 15px;
}

.cta-section p {
    color: #cbd5e1;
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* =========================
   Contact Section
   ========================= */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 50px;
}

.contact-info {
    background: var(--white);
    padding: 40px;
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    word-break: break-word;
    overflow-wrap: break-word;
}

.info-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.info-item .icon {
    width: 50px;
    height: 50px;
    background-color: var(--bg-light);
    color: var(--accent-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.info-item h4 {
    margin-bottom: 5px;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background-color: var(--primary-color);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: var(--transition);
}

.social-links a:hover {
    background-color: var(--accent-color);
    transform: translateY(-3px);
}

.contact-form {
    background: var(--white);
    padding: 40px;
    border-radius: 8px;
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(217, 119, 6, 0.1);
}

.w-100 {
    width: 100%;
}

/* =========================
   Footer
   ========================= */
footer {
    background-color: var(--primary-color);
    color: #cbd5e1;
    padding-top: 80px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 50px;
}

.footer-links h4 {
    color: var(--white);
    margin-bottom: 20px;
    font-size: 1.2rem;
}

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

.footer-links ul li a {
    color: #cbd5e1;
}

.footer-links ul li a:hover {
    color: var(--accent-color);
    padding-left: 5px;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 25px 0;
    text-align: center;
    font-size: 0.9rem;
}

/* =========================
   WhatsApp Contact Action Card
   ========================= */
.action-card {
    background: var(--bg-light);
    padding: 30px 20px;
    border-radius: 8px;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    border: 2px dashed #25D366;
    transition: var(--transition);
}

.action-card:hover {
    background: rgba(37, 211, 102, 0.05);
    border-style: solid;
}

.action-card .whatsapp-icon {
    font-size: 2.5rem;
    color: #25D366;
    margin-bottom: 10px;
}

.action-card h3 {
    margin-bottom: 5px;
    font-size: 1.2rem;
    color: var(--primary-color);
}

.action-card p {
    color: var(--text-muted);
    margin-bottom: 20px;
    font-size: 0.9rem;
    line-height: 1.5;
}

.btn-whatsapp {
    background-color: #25D366;
    color: var(--white);
    border: none;
    font-size: 1rem;
    padding: 10px 25px;
    border-radius: 50px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
    transition: transform 0.3s;
}

.btn-whatsapp i {
    font-size: 1.2rem;
}

.btn-whatsapp:hover {
    transform: scale(1.05);
    color: var(--white);
}

/* =========================
   Animations
   ========================= */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* =========================
   Responsive Media Queries
   ========================= */
@media screen and (max-width: 992px) {
    .about-container {
        grid-template-columns: 1fr;
    }
    
    .experience-badge {
        left: 0;
        bottom: 0;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .main-title {
        font-size: 3rem;
    }
}

@media screen and (max-width: 768px) {
    .nav-links {
        position: fixed;
        right: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 10px rgba(0,0,0,0.1);
        padding: 30px 0;
        gap: 20px;
    }

    .nav-links.active {
        right: 0;
    }

    .hamburger {
        display: block;
    }

    .hamburger.toggle .line1 {
        transform: rotate(-45deg) translate(-5px, 6px);
    }
    .hamburger.toggle .line2 {
        opacity: 0;
    }
    .hamburger.toggle .line3 {
        transform: rotate(45deg) translate(-5px, -6px);
    }

    .hero-content {
        text-align: center;
    }

    .hero-btns {
        justify-content: center;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .main-title {
        font-size: 2.5rem;
    }
}