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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    min-height: 100vh;
}

::selection {
    background: rgba(123, 94, 167, 0.2);
    color: #5E4582;
}

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

#navbar.scrolled {
    background: rgba(253, 248, 244, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 30px rgba(123, 94, 167, 0.08);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #7B5EA7, #F5C518);
    border-radius: 2px;
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

#navbar.scrolled .nav-link {
    color: #5E4582;
}

#navbar.scrolled .nav-link:hover {
    color: #7B5EA7;
}

/* ===== MOBILE MENU ===== */
.mobile-link {
    position: relative;
}

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

@keyframes float-delayed {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
}

@keyframes float-card {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-12px) rotate(1deg); }
}

@keyframes float-card-delayed {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-10px) rotate(-1deg); }
}

@keyframes scroll-line {
    0% { opacity: 0; transform: scaleY(0); transform-origin: top; }
    50% { opacity: 1; transform: scaleY(1); transform-origin: top; }
    51% { transform-origin: bottom; }
    100% { opacity: 0; transform: scaleY(0); transform-origin: bottom; }
}

.animate-float {
    animation: float 6s ease-in-out infinite;
}

.animate-float-delayed {
    animation: float-delayed 7s ease-in-out infinite;
    animation-delay: 1s;
}

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

.animate-float-card-delayed {
    animation: float-card-delayed 5s ease-in-out infinite;
    animation-delay: 1.5s;
}

.animate-scroll-line {
    animation: scroll-line 2s ease-in-out infinite;
}

/* ===== SERVICE CARDS ===== */
.service-card {
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #7B5EA7, #F5C518);
    opacity: 0;
    transition: opacity 0.4s ease;
}

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

/* ===== SCROLL ANIMATIONS ===== */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.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; }

/* ===== BUTTONS ===== */
a, button {
    cursor: pointer;
}

/* ===== FORM ===== */
input:focus, select:focus, textarea:focus {
    border-color: #B99BBF !important;
    box-shadow: 0 0 0 4px rgba(185, 155, 191, 0.15) !important;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #FDF8F4;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #D4C0D6, #E8DDE8);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, #B99BBF, #D4C0D6);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .font-serif {
        font-size: clamp(2rem, 8vw, 3rem);
    }

    #hero h1 {
        font-size: clamp(2.5rem, 10vw, 4rem);
    }
}