/* =======================
   VARIABLES
======================= */
:root {
    --primary: #0b2c54;
    --primary-dark: #071e3d;
    --primary-light: #1a4a8f;
    --secondary: #d82424;
    --secondary-dark: #b01b1b;
    --accent: #f8b500;
    --accent-light: #ffd166;
    --dark: #1a1a2e;
    --gray: #6c757d;
    --light: #f8f9fa;
    --white: #ffffff;
    
    --gradient-primary: linear-gradient(135deg, var(--primary), var(--primary-light));
    --gradient-accent: linear-gradient(135deg, var(--accent), var(--accent-light));
    
    --shadow-sm: 0 5px 20px rgba(0,0,0,0.05);
    --shadow: 0 10px 30px rgba(0,0,0,0.08);
    --shadow-lg: 0 20px 50px rgba(0,0,0,0.12);
    --shadow-hover: 0 25px 40px rgba(0,0,0,0.15);
    
    --radius-sm: 10px;
    --radius: 16px;
    --radius-lg: 24px;
}

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

body {
    font-family: 'Inter', sans-serif;
    color: #333;
    line-height: 1.6;
    overflow-x: hidden;
    background: var(--white);
}

/* =======================
   NAVBAR
======================= */
.navbar {
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1030;
}

.navbar-brand {
    font-family: 'Playfair Display', serif;
}

.brand-name {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--primary);
}

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

.brand-tagline {
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--gray);
    letter-spacing: 1px;
}

.nav-link {
    font-weight: 600;
    color: var(--dark);
    margin: 0 0.5rem;
    transition: all 0.3s ease;
}

.nav-link:hover {
    color: var(--secondary);
}

.btn-contact {
    background: var(--gradient-primary);
    color: white !important;
    padding: 0.5rem 1.2rem;
    border-radius: 30px;
}

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

/* =======================
   HERO SECTION
======================= */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9f2ff 100%);
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

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

.hero-main-img {
    width: 100%;
    height: auto;
    transition: transform 0.5s ease;
}

.hero-image-wrapper:hover .hero-main-img {
    transform: scale(1.02);
}

.wa-float-btn {
    position: absolute;
    bottom: 20px;
    left: 20px;
    display: inline-block;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
    border-radius: 50px;
    line-height: 0;
}

.wa-float-btn img {
    width: 50px;
    height: auto;
    border-radius: 50px;
    transition: all 0.3s ease;
}

.wa-float-btn:hover {
    transform: scale(1.05);
}

.hero-content {
    padding: 2rem;
}

.hero-badge {
    display: inline-block;
    background: var(--gradient-primary);
    color: white;
    padding: 0.3rem 1rem;
    border-radius: 30px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.hero-main-title {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--primary);
}

.hero-description {
    font-size: 1.1rem;
    color: var(--gray);
    margin-bottom: 2rem;
}

.hero-stats {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

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

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--secondary);
    transition: all 0.3s ease;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--gray);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    padding: 0.8rem 1.8rem;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: none;
    cursor: pointer;
}

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

.btn-primary:hover {
    background: var(--secondary);
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

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

.btn-outline:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-3px);
}

/* =======================
   SECTION HEADER
======================= */
.section-header {
    margin-bottom: 3rem;
}

.section-badge {
    display: inline-block;
    background: rgba(216, 36, 36, 0.1);
    color: var(--secondary);
    padding: 0.3rem 1rem;
    border-radius: 30px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--primary);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--gray);
    max-width: 700px;
    margin: 0 auto;
}

/* =======================
   CLUSTER SECTION
======================= */
.clusters-section {
    padding: 5rem 0;
    background: var(--light);
}

.cluster-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 2rem 1.5rem;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    position: relative;
    height: 100%;
    display: flex;
    flex-direction: column;
}

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

.cluster-card.featured {
    border: 2px solid var(--accent);
    position: relative;
}

.popular-badge {
    position: absolute;
    top: -12px;
    right: 20px;
    background: var(--accent);
    color: var(--primary);
    padding: 0.3rem 1rem;
    border-radius: 30px;
    font-size: 0.7rem;
    font-weight: 700;
}

.cluster-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 1rem;
    background: linear-gradient(135deg, rgba(11,44,84,0.1), rgba(26,74,143,0.1));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.cluster-name {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--primary);
}

.cluster-price {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 1rem;
}

.cluster-specs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 0.85rem;
    color: var(--gray);
}

.cluster-specs i {
    margin-right: 4px;
}

.cluster-features {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.cluster-features span {
    background: var(--light);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
}

.btn-cluster {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #25D366;
    color: white;
    padding: 0.7rem 1.5rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    margin-top: auto;
    justify-content: center;
}

.btn-cluster:hover {
    background: #128C7E;
    transform: scale(1.02);
}

/* =======================
   FEATURES SECTION
======================= */
.features-section {
    padding: 5rem 0;
    background: var(--white);
}

.feature-card {
    text-align: center;
    padding: 1.8rem 1rem;
    border-radius: var(--radius);
    background: var(--white);
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    height: 100%;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
}

.feature-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 1rem;
    background: linear-gradient(135deg, rgba(11,44,84,0.05), rgba(26,74,143,0.1));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon img {
    width: 40px;
}

.feature-card h4 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
    color: var(--primary);
}

.feature-card p {
    font-size: 0.75rem;
    color: var(--gray);
    line-height: 1.4;
}

/* =======================
   VIDEO SECTION
======================= */
.video-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, #f0f4fa, #e8eef5);
}

.video-thumbnail {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
}

.video-thumbnail img {
    width: 100%;
    transition: transform 0.3s ease;
}

.video-thumbnail:hover img {
    transform: scale(1.03);
}

.play-icon-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.play-icon-overlay i {
    font-size: 4rem;
    color: var(--secondary);
    filter: drop-shadow(0 5px 15px rgba(0,0,0,0.3));
    transition: all 0.3s ease;
}

.play-icon-overlay i:hover {
    transform: scale(1.1);
    color: var(--accent);
}

.video-checklist {
    list-style: none;
    margin: 1.5rem 0;
}

.video-checklist li {
    margin-bottom: 0.8rem;
}

.video-checklist i {
    color: var(--secondary);
    margin-right: 10px;
}

.btn-play {
    background: var(--gradient-primary);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 700;
    transition: all 0.3s ease;
}

.btn-play:hover {
    background: var(--secondary);
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

/* =======================
   CTA BANNER
======================= */
.cta-banner {
    padding: 4rem 0;
    background: var(--gradient-primary);
}

.cta-wrapper {
    text-align: center;
    color: white;
}

.cta-wrapper h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.cta-wrapper p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.btn-cta {
    background: #25D366;
    color: white;
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

.btn-cta:hover {
    background: #128C7E;
    transform: translateY(-3px);
    color: white;
}

/* =======================
   FOOTER
======================= */
.footer {
    background: var(--dark);
    color: rgba(255,255,255,0.8);
    padding: 4rem 0 2rem;
}

.footer-brand h3 {
    font-size: 1.8rem;
    margin-bottom: 0;
}

.footer-brand h3 span {
    color: var(--accent);
}

.footer-brand p {
    margin-bottom: 1rem;
}

.footer-desc {
    font-size: 0.9rem;
    line-height: 1.6;
}

.footer h4 {
    color: white;
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
}

.footer-contact a {
    display: block;
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    margin-bottom: 1rem;
    transition: all 0.3s ease;
}

.footer-contact a:hover {
    color: var(--accent);
    transform: translateX(5px);
}

.footer-contact i {
    width: 30px;
}

.footer-hours p {
    margin-bottom: 1rem;
}

.footer-hours i {
    width: 30px;
}

.footer-bottom {
    text-align: center;
    padding-top: 3rem;
    margin-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 0.85rem;
}

/* =======================
   RESPONSIVE
======================= */
@media (max-width: 991px) {
    .navbar {
        padding: 0.8rem 0;
    }
    
    .navbar-collapse {
        padding: 1rem 0;
        background: rgba(255,255,255,0.98);
        border-radius: var(--radius);
        margin-top: 0.5rem;
    }
    
    .nav-link {
        padding: 0.5rem 1rem;
        margin: 0;
        text-align: center;
    }
    
    .btn-contact {
        display: inline-block;
        width: auto;
        margin: 0.5rem auto;
    }
    
    .hero-section {
        padding-top: 100px;
    }
    
    .hero-main-title {
        font-size: 2.2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-content {
        text-align: center;
        padding: 2rem 1rem;
    }
}

@media (max-width: 768px) {
    .hero-section {
        padding-top: 110px;
    }
    
    .hero-main-title {
        font-size: 1.8rem;
    }
    
    .section-title {
        font-size: 1.6rem;
    }
    
    .cta-wrapper h3 {
        font-size: 1.5rem;
    }
    
    .cta-wrapper p {
        font-size: 1rem;
    }
    
    .wa-float-btn img {
        width: 45px;
    }
    
    .feature-card {
        padding: 1rem 0.5rem;
    }
    
    .feature-icon {
        width: 50px;
        height: 50px;
    }
    
    .feature-icon img {
        width: 28px;
    }
    
    .feature-card h4 {
        font-size: 0.7rem;
    }
    
    .feature-card p {
        font-size: 0.6rem;
        display: none;
    }
    
    .cluster-card {
        padding: 1rem 0.8rem;
    }
    
    .cluster-name {
        font-size: 0.9rem;
        margin-bottom: 0.3rem;
    }
    
    .cluster-price {
        font-size: 0.75rem;
        margin-bottom: 0.5rem;
    }
    
    .cluster-specs {
        gap: 0.4rem;
        font-size: 0.6rem;
        flex-wrap: wrap;
        margin-bottom: 0.5rem;
    }
    
    .cluster-specs span {
        font-size: 0.6rem;
    }
    
    .cluster-features {
        gap: 0.3rem;
        margin-bottom: 0.8rem;
    }
    
    .cluster-features span {
        font-size: 0.55rem;
        padding: 0.2rem 0.5rem;
    }
    
    .btn-cluster {
        padding: 0.35rem 0.7rem;
        font-size: 0.65rem;
        gap: 4px;
        width: 100%;
    }
    
    .btn-cluster i {
        font-size: 0.65rem;
    }
    
    .cluster-icon {
        width: 42px;
        height: 42px;
        margin-bottom: 0.5rem;
    }
    
    .cluster-icon i {
        font-size: 1.1rem;
    }
    
    .popular-badge {
        font-size: 0.5rem;
        padding: 0.15rem 0.5rem;
        top: -8px;
        right: 8px;
    }
}

@media (max-width: 480px) {
    .hero-section {
        padding-top: 120px;
    }
    
    .brand-name {
        font-size: 1.1rem;
    }
    
    .hero-main-title {
        font-size: 1.5rem;
    }
    
    .btn {
        padding: 0.6rem 1.2rem;
        font-size: 0.9rem;
    }
    
    .cluster-name {
        font-size: 0.8rem;
    }
    
    .cluster-price {
        font-size: 0.7rem;
    }
    
    .feature-card h4 {
        font-size: 0.65rem;
    }
    
    .wa-float-btn img {
        width: 40px;
    }
}

@media (min-width: 769px) and (max-width: 991px) {
    .feature-card p {
        font-size: 0.85rem;
    }
    
    .feature-card h4 {
        font-size: 1.1rem;
    }
}