:root {
    --primary: #0a4d68;
    --primary-dark: #053b50;
    --primary-light: #088395;
    --accent: #05bfdb;
    --accent-warm: #f39c12;
    --accent-warm-hover: #e67e22;
    --dark: #1a1a2e;
    --light: #f8f9fa;
    --text: #2c3e50;
    --text-muted: #6c757d;
    --white: #ffffff;
    --gradient-primary: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
    --gradient-accent: linear-gradient(135deg, var(--accent) 0%, var(--primary-light) 100%);
    --shadow-sm: 0 2px 8px rgba(10, 77, 104, 0.08);
    --shadow-md: 0 8px 30px rgba(10, 77, 104, 0.12);
    --shadow-lg: 0 20px 60px rgba(10, 77, 104, 0.15);
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
}

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

body {
    font-family: 'Inter', sans-serif;
    color: var(--text);
    background: var(--light);
    overflow-x: hidden;
}

/* ===== NAVBAR ===== */
.navbar {
    padding: 1rem 0;
    transition: all 0.4s ease;
    background: transparent;
    position: fixed;
    width: 100%;
    z-index: 1000;
    top: 0;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-sm);
    padding: 0.6rem 0;
}

.navbar.scrolled .nav-link,
.navbar.scrolled .navbar-brand {
    color: var(--primary-dark) !important;
}

.navbar.scrolled .btn-nav {
    background: var(--gradient-primary);
    color: var(--white) !important;
}

.navbar-brand {
    font-family: 'Playfair Display', serif;
    font-weight: 700;
    font-size: 1.6rem;
    color: var(--white) !important;
    letter-spacing: -0.5px;
}

.navbar-brand span {
    color: var(--accent);
}

.nav-link {
    color: rgba(255, 255, 255, 0.9) !important;
    font-weight: 500;
    font-size: 0.95rem;
    margin: 0 0.5rem;
    position: relative;
    transition: all 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

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

.nav-link:hover {
    color: var(--accent) !important;
}

.btn-nav {
    background: var(--accent);
    color: var(--white) !important;
    padding: 0.5rem 1.5rem !important;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
}

.btn-nav:hover {
    background: var(--accent-warm);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(243, 156, 18, 0.3);
}

/* ===== HERO SLIDER ===== */
.hero-slider {
    position: relative;
    height: 80vh;
    min-height: 700px;
    overflow: hidden;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 1.2s ease, visibility 1.2s ease;
    display: flex;
    align-items: center;
}

.hero-slide.active, .inner-header {
    opacity: 1;
    visibility: visible;
}

.hero-slide .slide-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transform: scale(1.1);
    transition: transform 8s ease;
    background-image: url(../images/photo-1601584115197-04ecc0da31d7.jpeg);
}

.hero-slide.active .slide-bg {
    transform: scale(1);
}

.hero-slide .slide-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(5, 59, 80, 0.92) 0%, rgba(10, 77, 104, 0.85) 40%, rgba(8, 131, 149, 0.75) 100%);
}

.hero-slide .slide-content {
    position: relative;
    z-index: 2;
    color: var(--white);
    padding: 0 2rem;
}

.hero-slide .slide-content h1 {
    font-family: 'Playfair Display', serif;
    font-size: clamp(2.2rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 1.5rem;
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s ease 0.3s;
}

.hero-slide.active .slide-content h1 {
    opacity: 1;
    transform: translateY(0);
}

.hero-slide .slide-content p {
    font-size: clamp(1rem, 1.5vw, 1.2rem);
    line-height: 1.7;
    max-width: 600px;
    margin-bottom: 2rem;
    opacity: 0;
    color: rgba(255, 255, 255, 0.9);
    transform: translateY(30px);
    transition: all 0.8s ease 0.5s;
}

.hero-slide.active .slide-content p {
    opacity: 1;
    transform: translateY(0);
}

.hero-slide .slide-content .btn-group {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.8s ease 0.7s;
}

.hero-slide.active .slide-content .btn-group {
    opacity: 1;
    transform: translateY(0);
}

.btn-hero-primary {
    background: var(--accent-warm);
    color: var(--white);
    padding: 0.9rem 2.5rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    border: none;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-hero-primary:hover {
    background: var(--accent-warm-hover);
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(243, 156, 18, 0.35);
    color: var(--white);
}

.btn-hero-outline {
    background: transparent;
    color: var(--white);
    padding: 0.9rem 2.5rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    border: 2px solid rgba(255, 255, 255, 0.4);
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-left: 1rem;
}

.btn-hero-outline:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--white);
    color: var(--white);
    transform: translateY(-3px);
}

/* Slider Controls */
.slider-controls {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.35);
    cursor: pointer;
    transition: all 0.4s ease;
    border: 2px solid transparent;
}

.slider-dot.active {
    background: var(--accent-warm);
    width: 40px;
    border-radius: 20px;
    border-color: rgba(255, 255, 255, 0.5);
}

.slider-dot:hover {
    background: rgba(255, 255, 255, 0.7);
}

.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1.2rem;
}

.slider-arrow:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-50%) scale(1.1);
}

.slider-arrow.prev {
    left: 25px;
}

.slider-arrow.next {
    right: 25px;
}

/* Slider Progress */
.slider-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 4px;
    background: var(--accent-warm);
    z-index: 10;
    transition: width linear;
}

/* ===== SERVICES ===== */
.services-section {
    padding: 6rem 0;
    background: var(--white);
    position: relative;
}

.services-section::before {
    content: '';
    position: absolute;
    top: -60px;
    left: 0;
    width: 100%;
    height: 120px;
    background: var(--white);
    border-radius: 50% 50% 0 0 / 100% 100% 0 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-tag {
    display: inline-block;
    background: rgba(5, 191, 219, 0.12);
    color: var(--primary-light);
    padding: 0.4rem 1.2rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
}

.section-title {
    font-family: 'Playfair Display', serif;
    font-size: clamp(2rem, 3.5vw, 3rem);
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 1rem;
}

.section-subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

.service-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    border: 1px solid rgba(10, 77, 104, 0.08);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    height: 100%;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

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

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.service-icon {
    width: 70px;
    height: 70px;
    border-radius: var(--radius-md);
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--white);
    margin-bottom: 1.5rem;
    position: relative;
}

.service-icon::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: var(--radius-md);
    background: var(--gradient-accent);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.service-card:hover .service-icon::after {
    opacity: 1;
}

.service-icon i {
    position: relative;
    z-index: 1;
}

.service-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 0.8rem;
}

.service-card p {
    color: var(--text-muted);
    line-height: 1.7;
    font-size: 0.95rem;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--primary-light);
    font-weight: 600;
    font-size: 0.9rem;
    margin-top: 1.2rem;
    text-decoration: none;
    transition: all 0.3s ease;
}

.service-link:hover {
    color: var(--accent-warm);
    gap: 0.7rem;
}

/* ===== ABOUT US ===== */
.about-section {
    padding: 6rem 0;
    background: linear-gradient(180deg, var(--light) 0%, var(--white) 100%);
    position: relative;
    overflow: hidden;
}

.about-section .shape-1 {
    position: absolute;
    top: -100px;
    right: -100px;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: rgba(5, 191, 219, 0.06);
}

.about-section .shape-2 {
    position: absolute;
    bottom: -150px;
    left: -100px;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: rgba(243, 156, 18, 0.04);
}

.about-image-wrapper {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.about-image-wrapper img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    border-radius: var(--radius-lg);
}

.about-image-wrapper .img-accent {
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 200px;
    height: 200px;
    background: var(--gradient-accent);
    border-radius: var(--radius-lg);
    z-index: -1;
}

.about-image-wrapper .experience-badge {
    position: absolute;
    bottom: 30px;
    left: -30px;
    background: var(--white);
    padding: 1.5rem 2rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.experience-badge .years {
    font-family: 'Playfair Display', serif;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-warm);
    line-height: 1;
}

.experience-badge .label {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
    margin-top: 0.3rem;
}

.about-content h2 {
    font-family: 'Playfair Display', serif;
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 1.5rem;
    line-height: 1.3;
}

.about-content p {
    color: var(--text-muted);
    line-height: 1.8;
    font-size: 1.05rem;
    margin-bottom: 1.5rem;
}

.about-features {
    margin-top: 2rem;
}

.about-feature-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.2rem;
}

.about-feature-item .icon-box {
    width: 45px;
    height: 45px;
    min-width: 45px;
    border-radius: 12px;
    background: rgba(5, 191, 219, 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-light);
    font-size: 1.1rem;
}

.about-feature-item h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 0.2rem;
}

.about-feature-item span {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* ===== CTA STRIP ===== */
.cta-strip {
    background: var(--gradient-primary);
    padding: 4rem 0;
    position: relative;
    overflow: hidden;
    z-index: 0;
}

.cta-strip::before {
    content: '';
    position: absolute;
    z-index: -1;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.cta-strip h2 {
    font-family: 'Playfair Display', serif;
    color: var(--white);
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    margin-bottom: 0.8rem;
}

.cta-strip p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 1.1rem;
    margin-bottom: 0;
}

.btn-cta-light {
    background: var(--white);
    color: var(--primary-dark);
    padding: 0.9rem 2.5rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1rem;
    border: none;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-cta-light:hover {
    background: var(--accent-warm);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2);
}

/* ===== FOOTER ===== */
.footer {
    background: var(--primary-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: 4rem 0 0;
}

.footer-brand {
    font-family: 'Playfair Display', serif;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--white) !important;
    margin-bottom: 1rem;
    display: inline-block;
}

.footer-brand span {
    color: var(--accent);
}

.footer-desc {
    line-height: 1.8;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.footer-social {
    display: flex;
    gap: 0.8rem;
}

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: all 0.3s ease;
    text-decoration: none;
}

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

.footer h5 {
    color: var(--white);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.8rem;
}

.footer h5::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--accent);
    border-radius: 3px;
}

.footer-links {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
}

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

.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 0.8rem;
    margin-bottom: 1rem;
}

.footer-contact-item i {
    color: var(--accent);
    margin-top: 0.3rem;
    font-size: 0.9rem;
}

.footer-contact-item span {
    font-size: 0.95rem;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 1.5rem 0;
    margin-top: 3rem;
    text-align: center;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.5);
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.7s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 991px) {
    .hero-slider {
        min-height: 600px;
    }

    .about-image-wrapper .experience-badge {
        left: 20px;
        bottom: 20px;
    }

    .about-image-wrapper .img-accent {
        display: none;
    }

    .btn-hero-outline {
        margin-left: 0;
        margin-top: 1rem;
    }
}

@media (max-width: 767px) {
    .hero-slider {
        min-height: 550px;
    }

    .slider-arrow {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    .slider-arrow.prev {
        left: 15px;
    }

    .slider-arrow.next {
        right: 15px;
    }

    .btn-hero-outline {
        margin-left: 0;
        margin-top: 0.8rem;
    }

    .service-card {
        padding: 2rem;
    }

    .about-image-wrapper img {
        height: 350px;
    }
}