/* ===== Global ===== */
body {
    font-family: 'Inter', sans-serif;
    background: #f8fafc;
    color: #0b1a2b;
}
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.25rem;
}
.nav-scrolled {
    background: rgba(255, 255, 255, 0.96) !important;
    backdrop-filter: blur(12px);
    box-shadow: 0 2px 20px rgba(0,0,0,0.06);
}
.btn-primary {
    background: #0A5C8C;
    color: #fff;
    padding: 0.7rem 1.8rem;
    border-radius: 12px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: background 0.2s, transform 0.1s;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}
.btn-primary:hover {
    background: #084d73;
}
.btn-primary:active {
    transform: scale(0.97);
}
.btn-outline {
    background: transparent;
    color: #0A5C8C;
    padding: 0.7rem 1.8rem;
    border-radius: 12px;
    font-weight: 600;
    border: 1.5px solid #0A5C8C;
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}
.btn-outline:hover {
    background: #0A5C8C;
    color: #fff;
}

/* Nav links */
.nav-link {
    position: relative;
    font-weight: 500;
    transition: color 0.2s;
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: #0A5C8C;
    transition: width 0.25s;
}
.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}
.nav-link.active {
    color: #0A5C8C;
}

/* Hamburger */
.hamburger span {
    display: block;
    width: 26px;
    height: 2.5px;
    background: #1e293b;
    border-radius: 4px;
    transition: 0.25s;
}
.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.hamburger.active span:nth-child(2) {
    opacity: 0;
}
.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Reveal animation */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }
.reveal-delay-4 { transition-delay: 0.32s; }

/* Hover cards */
.hover-card {
    transition: transform 0.2s, box-shadow 0.2s;
}
.hover-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 30px -12px rgba(10,92,140,0.12);
}

/* Scroll-up button */
#scrollUpBtn {
    transition: opacity 0.3s, transform 0.3s;
}
#scrollUpBtn:not(.opacity-0) {
    opacity: 1;
    pointer-events: auto;
}

/* Product image */
.product-img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    object-fit: cover;
}

/* Form inputs (for contact/login/register) */
.form-input {
    width: 100%;
    padding: 0.7rem 1rem;
    border: 1.5px solid #e2e8f0;
    border-radius: 12px;
    font-size: 0.95rem;
    transition: border-color 0.2s, box-shadow 0.2s;
    background: #fff;
}
.form-input:focus {
    outline: none;
    border-color: #0A5C8C;
    box-shadow: 0 0 0 4px rgba(10,92,140,0.1);
}