/* ===================================
   Gud Dental Clinic - Brutalismo Moderno
   =================================== */

:root {
    --blue: #2563eb;
    --blue-dark: #1d4ed8;
    --blue-light: #dbeafe;
    --black: #000000;
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-900: #111827;
    --yellow-400: #facc15;
    --shadow-brutal: 4px 4px 0px var(--black);
    --shadow-brutal-lg: 8px 8px 0px var(--black);
}

/* Typography */
.font-gloock {
    font-family: 'Gloock', serif;
}

body {
    font-family: 'Albert Sans', sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Shadows */
.shadow-brutal {
    box-shadow: var(--shadow-brutal);
}

.shadow-brutal-lg {
    box-shadow: var(--shadow-brutal-lg);
}

/* Hero gradient mesh */
.hero-mesh {
    background-color: var(--white);
}

.hero-gradient {
    background:
        radial-gradient(ellipse at 20% 50%, rgba(37, 99, 235, 0.12) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 20%, rgba(37, 99, 235, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 60% 80%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 40% 30%, rgba(147, 197, 253, 0.15) 0%, transparent 40%);
}

/* Header */
#header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

#header.scrolled {
    border-bottom: 2px solid var(--black);
    box-shadow: 0 2px 0 var(--black);
}

/* Floating cards */
.floating-card {
    transition: transform 0.3s ease;
}

.floating-card.card-1 {
    animation: float1 6s ease-in-out infinite;
}

.floating-card.card-2 {
    animation: float2 7s ease-in-out infinite;
}

.floating-card.card-3 {
    animation: float3 5s ease-in-out infinite;
}

.floating-card.card-4 {
    animation: float4 8s ease-in-out infinite;
}

@keyframes float1 {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-12px) rotate(1deg); }
}

@keyframes float2 {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-10px) rotate(-1deg); }
}

@keyframes float3 {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-14px); }
}

@keyframes float4 {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-8px) rotate(1.5deg); }
}

/* Service cards hover */
.service-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-brutal-lg);
}

/* Scroll reveal animations */
.reveal-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-up.revealed,
.reveal-left.revealed,
.reveal-right.revealed {
    opacity: 1;
    transform: translate(0, 0);
}

/* FAQ accordion */
.faq-btn:hover {
    background: var(--gray-50);
}

.faq-icon {
    transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

/* Chat widget pulse - using only transform and opacity */
.chat-pulse {
    animation: chatPulse 2.5s ease-in-out infinite;
}

@keyframes chatPulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.08);
        opacity: 0.85;
    }
}

/* Chat messages */
.chat-msg-user {
    background: var(--blue);
    color: var(--white);
    padding: 10px 14px;
    border-radius: 14px 14px 2px 14px;
    max-width: 85%;
    margin-left: auto;
    font-size: 0.875rem;
    line-height: 1.5;
    word-wrap: break-word;
}

.chat-msg-assistant {
    background: var(--gray-100);
    color: var(--gray-900);
    padding: 10px 14px;
    border-radius: 14px 14px 14px 2px;
    max-width: 85%;
    font-size: 0.875rem;
    line-height: 1.5;
    word-wrap: break-word;
}

.chat-msg-assistant a {
    color: var(--blue);
    text-decoration: underline;
}

.chat-typing {
    display: flex;
    gap: 4px;
    align-items: center;
    padding: 10px 14px;
    background: var(--gray-100);
    border-radius: 14px 14px 14px 2px;
    max-width: 60px;
}

.chat-typing span {
    width: 6px;
    height: 6px;
    background: var(--gray-400);
    border-radius: 50%;
    animation: typingDot 1.4s ease-in-out infinite;
}

.chat-typing span:nth-child(2) { animation-delay: 0.2s; }
.chat-typing span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typingDot {
    0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
    30% { transform: translateY(-4px); opacity: 1; }
}

/* Mobile menu */
#menuBtn.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(3px, 3px);
}

#menuBtn.active .menu-line:nth-child(2) {
    opacity: 0;
}

#menuBtn.active .menu-line:nth-child(3) {
    width: 1.5rem;
    transform: rotate(-45deg) translate(3px, -3px);
}

/* Nav link hover effect */
.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--blue);
    transition: width 0.3s ease;
}

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

/* Gallery hover */
.gallery-item .relative {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.gallery-item:hover .relative {
    box-shadow: var(--shadow-brutal-lg);
}

/* Lightbox */
#lightbox {
    transition: opacity 0.3s ease;
}

#lightbox.active {
    display: flex;
    opacity: 1;
}

/* Smooth scroll */
html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

/* Form focus states */
input:focus,
textarea:focus,
select:focus {
    box-shadow: 3px 3px 0 var(--blue);
}

/* Selection color */
::selection {
    background: var(--blue);
    color: var(--white);
}

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

::-webkit-scrollbar-track {
    background: var(--gray-50);
}

::-webkit-scrollbar-thumb {
    background: var(--gray-400);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-600);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .floating-card {
        display: none;
    }
}

@media (max-width: 640px) {
    #chatPanel {
        width: calc(100vw - 48px);
        right: -8px;
    }
}