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

body { font-family: 'Inter', sans-serif; color: #333; line-height: 1.6; }
h1, h2, h3 { font-family: 'Playfair Display', serif; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* NAVIGATION - BLACK & WHITE */
#main-nav { position: fixed; top: 0; width: 100%; background: #000; z-index: 1000; padding: 1rem 0; }
.nav-container { max-width: 1200px; margin: 0 auto; padding: 0 20px; display: flex; justify-content: space-between; align-items: center; }
.nav-logo { color: #fff; font-size: 1.3rem; font-weight: 700; }
.nav-menu { display: flex; list-style: none; gap: 2rem; }
.nav-menu a { color: #fff; text-decoration: none; text-transform: uppercase; font-size: 0.9rem; }
.nav-cta { padding: 0.5rem 1.5rem; background: #fff; color: #000 !important; border-radius: 50px; }

/* MOBILE NAV */
.nav-toggle { display: none; background: none; border: none; cursor: pointer; flex-direction: column; gap: 5px; padding: 5px; }
.nav-toggle span { width: 25px; height: 3px; background: #fff; display: block; transition: 0.3s; }
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(7px, 7px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(6px, -6px); }

@media (max-width: 768px) {
    .nav-toggle { display: flex; }
    .nav-menu { 
        position: fixed; 
        left: -100%; 
        top: 60px; 
        flex-direction: column; 
        background: #000; 
        width: 100%; 
        padding: 2rem; 
        transition: 0.3s; 
        gap: 1.5rem;
    }
    .nav-menu.show { left: 0; }
    .nav-menu li { width: 100%; text-align: center; }
    .nav-menu a { font-size: 1.2rem; display: block; padding: 1rem; }
}

/* HERO */
#hero { position: relative; height: 100vh; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.video-container { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }
.video-container iframe { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 177.78vh; height: 100vh; min-width: 100vw; min-height: 56.25vw; }
.hero-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.4); z-index: 1; }
.hero-content { position: relative; z-index: 2; text-align: center; color: #fff; }
.hero-content h1 { font-size: clamp(3rem, 10vw, 6rem); margin-bottom: 1rem; text-shadow: 2px 2px 20px rgba(0,0,0,0.8); }
.hero-content p { font-size: clamp(1.2rem, 3vw, 2rem); text-transform: uppercase; letter-spacing: 3px; text-shadow: 1px 1px 10px rgba(0,0,0,0.8); }

/* VIDEO GALLERY GRID */
.video-gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.video-thumbnail {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.video-thumbnail:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.5);
}

.video-thumbnail img {
    width: 100%;
    height: auto;
    display: block;
    aspect-ratio: 16/9;
    object-fit: cover;
}

.play-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0,0,0,0.6);
    border-radius: 50%;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s ease;
}

.video-thumbnail:hover .play-overlay {
    background: rgba(0,0,0,0.8);
}

.video-thumbnail p {
    padding: 1rem;
    text-align: center;
    background: rgba(255,255,255,0.05);
    color: #fff;
    font-weight: 500;
}

/* VIDEO MODAL */
.video-modal {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.95);
}

.video-modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    position: relative;
    width: 90%;
    max-width: 900px;
    background: #000;
    border-radius: 10px;
    overflow: hidden;
}

.close-modal {
    position: absolute;
    top: -40px;
    right: 0;
    color: #fff;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    z-index: 10000;
}

.close-modal:hover {
    color: #ccc;
}

#modalVideoContainer iframe {
    width: 100%;
    height: 500px;
    border: none;
}

@media (max-width: 768px) {
    #modalVideoContainer iframe {
        height: 300px;
    }
}

/* CONTACT CTA BUTTONS */
.contact-cta-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 15px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: transform 0.3s, box-shadow 0.3s;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
}

.contact-cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.4);
}

@media (max-width: 768px) {
    #quick-contact > div > div {
        grid-template-columns: 1fr !important;
    }
}

/* SECTIONS */
section { padding: 80px 0; }
section h2 { font-size: 2.5rem; text-align: center; margin-bottom: 2rem; }
#about, #credentials { background: #f8f9fa; }

/* SERVICES & CREDENTIALS GRID */
.services-grid, .credentials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; margin-top: 2rem; }
@media (max-width: 968px) { .services-grid, .credentials-grid { grid-template-columns: 1fr; } }
.service-card, .credential-card { background: #fff; padding: 2rem; border-radius: 10px; box-shadow: 0 4px 15px rgba(0,0,0,0.1); }
.service-card h3, .credential-card h3 { margin-bottom: 1rem; font-size: 1.5rem; }

/* VIDEOS */
.video-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; margin-top: 2rem; }
@media (max-width: 768px) { .video-grid { grid-template-columns: 1fr; } }
.video-card { background: #fff; border-radius: 10px; overflow: hidden; box-shadow: 0 4px 15px rgba(0,0,0,0.1); }
.video-card iframe { width: 100%; height: 315px; }
.video-card p { padding: 1rem; text-align: center; }

/* CONTACT */
#contact { background: #f8f9fa; text-align: center; }
#contact a { color: #000; text-decoration: underline; }

/* CONTACT FORM STYLES */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

@media (max-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

.contact-card {
    background: rgba(255,255,255,0.05);
    padding: 2rem;
    border-radius: 15px;
    backdrop-filter: blur(10px);
}

.contact-form-inline {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-form-inline input,
.contact-form-inline textarea {
    padding: 12px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-family: 'Inter', sans-serif;
}

.contact-form-inline textarea {
    resize: vertical;
}

.btn-submit {
    padding: 15px;
    background: #fff;
    color: #000;
    border: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(255,255,255,0.3);
}

.whatsapp-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 18px 35px;
    background: #25D366;
    color: #fff;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.whatsapp-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(37,211,102,0.4);
}