/* ─── Base & Utilities ─── */
html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    overflow-x: hidden;
}

::selection {
    background: #E8C2E8;
    color: #2C162C;
}

/* ─── Navbar ─── */
#navbar {
    transition: background 0.4s ease, box-shadow 0.4s ease, padding 0.4s ease;
}

#navbar.scrolled {
    background: rgba(249, 240, 249, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: 0 4px 30px rgba(107, 58, 107, 0.08);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    width: 0;
    height: 2px;
    background: #F5C518;
    border-radius: 2px;
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-link:hover::after {
    width: 60%;
}

/* ─── Blobs ─── */
.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: blob-float 8s ease-in-out infinite;
}

.blob-1 {
    width: 500px;
    height: 500px;
    background: #E8C2E8;
    top: -100px;
    right: -100px;
    animation-delay: 0s;
}

.blob-2 {
    width: 300px;
    height: 300px;
    background: #FFE9A8;
    bottom: 10%;
    left: -50px;
    animation-delay: -3s;
}

.blob-3 {
    width: 200px;
    height: 200px;
    background: #D495D4;
    top: 40%;
    right: 30%;
    animation-delay: -5s;
}

@keyframes blob-float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -20px) scale(1.05); }
    66% { transform: translate(-20px, 20px) scale(0.95); }
}

/* ─── Float animations ─── */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

@keyframes float-delayed {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
}

.animate-float {
    animation: float 4s ease-in-out infinite;
}

.animate-float-delayed {
    animation: float-delayed 5s ease-in-out infinite;
    animation-delay: -2s;
}

/* ─── Service Cards ─── */
.service-card {
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, transparent 0%, rgba(245, 197, 24, 0.05) 100%);
    opacity: 0;
    transition: opacity 0.5s ease;
    border-radius: 1.25rem;
}

.service-card:hover::before {
    opacity: 1;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(107, 58, 107, 0.2);
}

/* ─── Scroll animations ─── */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }
.reveal-delay-6 { transition-delay: 0.6s; }

/* ─── Back to top ─── */
#back-to-top.visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

/* ─── Form focus states ─── */
input:focus, textarea:focus, select:focus {
    box-shadow: 0 0 0 4px rgba(163, 69, 163, 0.1);
}

/* ─── Mobile menu transition ─── */
#mobile-menu {
    animation: slideDown 0.3s ease forwards;
}

#mobile-menu.hidden {
    animation: slideUp 0.2s ease forwards;
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideUp {
    from { opacity: 1; transform: translateY(0); }
    to { opacity: 0; transform: translateY(-10px); }
}

/* ─── Responsive ─── */
@media (max-width: 768px) {
    .blob-1 {
        width: 300px;
        height: 300px;
    }
    .blob-2 {
        width: 200px;
        height: 200px;
    }
    .blob-3 {
        display: none;
    }
}