/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    /* Prevent fixed header from covering anchor targets on small screens */
    scroll-padding-top: 90px;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #dec7b4;
    background-color: #755e4a;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header and Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(88, 70, 54, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 0;
}

.navbar {
    padding: 15px 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo-img {
    height: 100px;
    border-radius: 8px;
    object-fit: cover;
    max-width: 100%;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 600;
    color: #dec7b4;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: #dec7b4;
    font-weight: 500;
    font-size: 1rem;
    padding: 10px 0;
    position: relative;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: all 0.3s ease;
}

.nav-link:hover {
    color: #8b7355;
}

.nav-link:hover::after {
    width: 100%;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #8b7355;
    transition: width 0.3s ease;
}

/* Dropdown Menus */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: rgba(117, 94, 74, 0.98);
    backdrop-filter: blur(10px);
    min-width: 250px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    border-radius: 8px;
    padding: 10px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1001;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    list-style: none;
}

.dropdown-menu a {
    display: block;
    padding: 12px 20px;
    color: #dec7b4;
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
}

.dropdown-menu a:hover {
    background-color: rgba(139, 115, 85, 0.2);
    border-left-color: #8b7355;
    color: #8b7355;
}

/* Mobile Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.bar {
    width: 25px;
    height: 3px;
    background-color: #dec7b4;
    transition: all 0.3s ease;
}

.hamburger.active .bar:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active .bar:nth-child(2) {
    opacity: 0;
}

.hamburger.active .bar:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Hero Section */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(117, 94, 74, 0.7), rgba(117, 94, 74, 0.7)), 
                url('construction-hero.jpg') center/cover no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
}

.hero-content {
    max-width: 1000px;
    padding: 0 20px;
    z-index: 2;
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: #dec7b4;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    letter-spacing: 2px;
}

.hero-tagline {
    font-size: 1.3rem;
    line-height: 1.8;
    margin-bottom: 40px;
    color: #dec7b4;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-primary, .btn-secondary {
    padding: 15px 30px;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    display: inline-block;
    text-align: center;
    min-width: 150px;
}

.btn-primary {
    background-color: #8b7355;
    color: #dec7b4;
    border-color: #8b7355;
}

.btn-primary:hover {
    background-color: transparent;
    color: #8b7355;
    border-color: #8b7355;
}

.btn-secondary {
    background-color: transparent;
    color: #dec7b4;
    border-color: #dec7b4;
}

.btn-secondary:hover {
    background-color: #dec7b4;
    color: #755e4a;
}

/* Section Styles */
.section-title {
    font-size: 2.8rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 50px;
    color: #dec7b4;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background-color: #8b7355;
    border-radius: 2px;
}

/* About Section */
.about-title {
    font-size: 2.8rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 50px;
    color: #755e4a;
    position: relative;
}
.about-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background-color: #8b7355;
    border-radius: 2px;
}
.about-section {
    color: #755e4a;
    padding: 100px 0;
    background-color: #dec7b4;
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    align-items: center;
    color: #755e4a;
}

.about-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 25px;
    color: #755e4a;
}

.about-image img {
    width: 100%;
    max-width: 500px;
    height: auto;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    display: block;
    margin-left: auto;
    margin-right: auto;
}

/* Services Section */
.services-section {
    padding: 100px 0;
    background-color: rgba(139, 115, 85, 0.1);
}

.services-grid {
    display: grid;
    gap: 20px;
    max-width: 1100px;
    margin: 0 auto;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

/* When services should display as rows (full-width cards) */
.services-grid.rows {
    grid-template-columns: 1fr;
    gap: 12px;
    width: 100%;
    max-width: 100%;
}

.service-card {
    background-color: rgba(222, 199, 180, 0.1);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.service-header {
    padding: 25px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: rgba(139, 115, 85, 0.2);
    transition: all 0.3s ease;
}

.service-header:hover {
    background-color: rgba(139, 115, 85, 0.3);
}

.service-header h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #dec7b4;
}

.service-header i {
    color: #8b7355;
    transition: transform 0.3s ease;
}

.service-content {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transform: translateY(-8px);
    transition: max-height 380ms cubic-bezier(.2,.9,.2,1),
                opacity 300ms ease,
                transform 300ms ease,
                padding 300ms ease;
    background-color: rgba(222, 199, 180, 0.05);
    padding: 0 25px; /* start with horizontal padding only so vertical collapse is smooth */
}

.service-content.active {
    max-height: 800px; /* large enough to contain content */
    opacity: 1;
    transform: translateY(0);
    padding: 25px;
}

/* rotate icon is handled by JS inline styles; ensure header icon has a smooth transition */
.service-header i {
    transition: transform 300ms ease;
}

.service-content ul {
    list-style: none;
    padding-left: 0;
}

.service-content li {
    padding: 8px 0;
    color: #dec7b4;
    font-size: 1rem;
    border-bottom: 1px solid rgba(222, 199, 180, 0.1);
    position: relative;
    padding-left: 20px;
}

.service-content li:before {
    content: '→';
    position: absolute;
    left: 0;
    color: #8b7355;
    font-weight: bold;
}

.service-content li:last-child {
    border-bottom: none;
}

.service-content li ul {
    margin-top: 15px;
    padding-left: 20px;
}

.service-content li ul li {
    font-size: 0.9rem;
    padding: 5px 0;
    color: rgba(222, 199, 180, 0.9);
}

/* Sectors Section */
.sector-title {
    font-size: 2.8rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 50px;
    color: #755e4a;
    position: relative;
}
.sector-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background-color: #8b7355;
    border-radius: 2px;
}
.sectors-section {
    padding: 100px 0;
    background-color: #dec7b4;
}

.sectors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}

.sector-card {
    background-color: #dec7b4;
    padding: 40px 25px;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.sector-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
    border-color: #8b7355;
}

.sector-card i {
    font-size: 3rem;
    color: #8b7355;
    margin-bottom: 20px;
}

.sector-card h3 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #7b6553;
}

.sector-card p {
    color: rgba(100, 85, 72, 0.9);
    font-size: 1rem;
    line-height: 1.6;
}

/* Contact Section */
.contact-section {
    padding: 100px 0;
    background-color: rgba(255, 255, 255, 0.1);
}

.contact-title {
    font-size: 2.8rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 50px;
    color: #dec7b4;
    position: relative;
}

.contact-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background-color: #8b7355;
    border-radius: 2px;
}


.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.contact-info h3 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: #dec7b4;
}

.contact-info p {
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 40px;
    color: #dec7b4;
}

.contact-buttons {
    display: flex;
    flex-direction: column;
    gap: 20px;
    max-width: 300px;
}

.contact-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    padding: 18px 25px;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    border: 2px solid;
    text-align: center;
}

.whatsapp-btn {
    background-color: #25d366;
    color: white;
    border-color: #25d366;
}

.whatsapp-btn:hover {
    background-color: transparent;
    color: #25d366;
}

.form-btn {
    background-color: #755e4a;
    color: #dec7b4;
    border-color: #755e4a;
}

.form-btn:hover {
    background-color: #dec7b4;
    color: #755e4a;

}

.contact-image img {
    width: 100%;
    max-width: 720px;
    height: auto;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    display: block;
    margin-left: auto;
    margin-right: auto;
}

/* Make all images scale nicely by default */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Footer */
.footer {
    background-color: rgba(139, 115, 85, 0.2);
    padding: 40px 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 40px;
    align-items: center;
    text-align: center;
}

.footer-left {
    text-align: left;
}

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

.footer-right {
    text-align: right;
}

.footer p {
    color: #dec7b4;
    line-height: 1.6;
}

.footer a {
    color: #dec7b4;
    text-decoration: none;
}

.footer a:hover {
    text-decoration: underline;
}

.watermark {
    font-size: 0.8rem;
    opacity: 0.6;
    color: rgba(222, 199, 180, 0.4) !important;
}

/* Mobile Responsive Design */
@media screen and (max-width: 700px) {

    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 80px;
        flex-direction: column;
        background-color: rgba(117, 94, 74, 0.98);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.3);
        padding: 20px 0;
    z-index: 1200;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu li {
        margin: 15px 0;
    }

    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background-color: rgba(139, 115, 85, 0.2);
        margin-top: 10px;
    }

    .logo-text {
        font-size: 1.2rem;
    }

    /* cap logo image height on small screens so header doesn't dominate */
    .logo-img {
        max-height: 56px;
        height: auto;
        width: auto;
    }

    /* Make nav links easier to tap */
    .nav-link {
        font-size: 1.1rem;
        padding: 12px 0;
    }

    /* Make hero more flexible: don't force 100vh on small screens */
    .hero {
        height: auto;
        padding-top: 110px; /* leave room for fixed header */
        padding-bottom: 40px;
        background-position: center top;
    }

    .hero-content {
        padding: 0 16px;
    }

    /* Slightly reduce service-card padding for narrow screens */
    .service-header {
        padding: 18px;
    }

    .service-content.active {
        max-height: 600px; /* give slightly more space when expanded on mobile */
    }

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

    .hero-tagline {
        font-size: 1.1rem;
        line-height: 1.6;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .about-image {
        order: -1;
    }

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

    .footer-content {
        grid-template-columns: 1fr;
        gap: 25px;
        text-align: center;
    }

    .footer-left,
    .footer-right {
        text-align: center;
    }

    .section-title {
        font-size: 2.2rem;
    }

    .sectors-grid {
        grid-template-columns: 1fr;
    }
}

@media screen and (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .nav-container {
        padding: 0 15px;
    }

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

    .hero-tagline {
        font-size: 1rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .about-text p,
    .contact-info p {
        font-size: 1rem;
    }
}

/* Very small phones: prevent rapid contraction and make tiles match screen width */
@media screen and (max-width: 525px) {
    html { scroll-padding-top: 74px; }

    /* Container padding and header */
    .container { padding: 0 12px; }
    .nav-container { padding: 0 12px; }
    .logo-img { max-height: 48px; }

    /* Hero: smaller title and looser spacing so it doesn't push content */
    .hero { padding-top: 90px; padding-bottom: 30px; }
    .hero-title { font-size: 1.8rem; letter-spacing: 0.6px; }
    .hero-tagline { font-size: 0.98rem; line-height: 1.5; }
    .hero-content { padding: 0 8px; }

    /* Services: force single column and reduce gaps/paddings */
    .services-grid { grid-template-columns: 1fr; gap: 12px; max-width: 100%; }
    .service-card { border-radius: 10px; }
    .service-header { padding: 12px 14px; }
    .service-content.active { padding: 14px; max-height: 520px; }
    .service-content li { font-size: 0.95rem; }

    /* Sectors: single column tiles matching phone width */
    .sectors-grid { grid-template-columns: 1fr; gap: 12px; }
    .sector-card { padding: 18px 16px; }
    .sector-card h3 { font-size: 1.1rem; }
    .sector-card p { font-size: 0.95rem; }

    /* About / Contact: reduce padding and stack cleanly */
    .about-section, .services-section, .sectors-section, .contact-section {
        padding: 40px 0;
    }
    .about-content { gap: 20px; }
    .about-image img { max-width: 420px; }

    .contact-content { grid-template-columns: 1fr; gap: 20px; }
    .contact-buttons { max-width: 100%; }

    /* Footer: simplified spacing */
    .footer { padding: 24px 0; }
    .footer-content { gap: 18px; grid-template-columns: 1fr; }

    /* Nav links and tap targets */
    .nav-link { padding: 14px 0; font-size: 1.05rem; }
    .nav-menu li { margin: 10px 0; }

    /* Keep images fluid and avoid fixed heights */
    img { height: auto; max-width: 100%; }

}

/* Smooth scrolling and transitions */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}