/* ===== BASE & RESET ===== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ===== NAVBAR SCROLL STATE ===== */
#navbar {
    background: transparent;
    transition: background 0.4s ease, box-shadow 0.4s ease;
}

#navbar.scrolled {
    background: rgba(253, 248, 245, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 20px rgba(123, 30, 58, 0.08);
}

/* ===== MOBILE MENU ===== */
#mobileMenu {
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

#mobileMenu.open {
    display: block;
}

.menu-line {
    transition: all 0.3s ease;
}

#mobileMenuBtn.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
}
#mobileMenuBtn.active .menu-line:nth-child(2) {
    opacity: 0;
}
#mobileMenuBtn.active .menu-line:nth-child(3) {
    transform: rotate(-45deg) translate(4px, -4px);
    width: 1.5rem;
}

/* ===== GEOMETRIC SHAPES ===== */
.geometric-shape {
    position: absolute;
    pointer-events: none;
}

.shape-circle-1 {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: linear-gradient(135deg, #F4A0B5 0%, #fce7eb 100%);
    top: 10%;
    right: -5%;
    opacity: 0.25;
    animation: float 8s ease-in-out infinite;
}

.shape-circle-2 {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    background: #b8284a;
    bottom: 15%;
    left: 5%;
    opacity: 0.08;
    animation: float 6s ease-in-out infinite reverse;
}

.shape-circle-3 {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: #F4A0B5;
    top: 40%;
    left: 15%;
    opacity: 0.15;
    animation: float 10s ease-in-out infinite;
}

.shape-triangle {
    width: 0;
    height: 0;
    border-left: 60px solid transparent;
    border-right: 60px solid transparent;
    border-bottom: 104px solid rgba(244, 160, 181, 0.12);
    top: 25%;
    left: 3%;
    transform: rotate(-15deg);
    animation: spin 20s linear infinite;
}

.shape-dots {
    width: 120px;
    height: 120px;
    top: 60%;
    right: 8%;
    background-image: radial-gradient(circle, #b8284a 1px, transparent 1px);
    background-size: 16px 16px;
    opacity: 0.15;
    animation: float 7s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

@keyframes spin {
    from { transform: rotate(-15deg); }
    to { transform: rotate(345deg); }
}

/* ===== SCROLL REVEAL (progressive enhancement) ===== */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.7s ease, transform 0.7s 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; }
}

/* ===== CUSTOM SCROLLBAR ===== */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #FDF8F5;
}
::-webkit-scrollbar-thumb {
    background: #F4A0B5;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #b8284a;
}

/* ===== FOCUS VISIBLE ===== */
*:focus-visible {
    outline: 2px solid #b8284a;
    outline-offset: 2px;
}

/* ===== FORM STYLES ===== */
input::placeholder,
textarea::placeholder {
    color: #a0a0a0;
}

select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%237B1E3A' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}