/* ===================================
   Sea-View House — Custom Styles
   Classic & Elegant Coastal Design
   =================================== */

/* --- CSS Custom Properties --- */
:root {
    --burgundy-900: #7B2D3B;
    --burgundy-700: #a82444;
    --blush-50: #fdf6f4;
    --cream-50: #fefdfb;
    --sand-800: #553a30;
    --sand-600: #a0724e;
    --transition-smooth: cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Base Reset & Typography --- */
*, *::before, *::after {
    box-sizing: border-box;
}

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

body {
    overflow-x: hidden;
}

/* --- Scrollbar --- */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--cream-50);
}
::-webkit-scrollbar-thumb {
    background: #d4a89a;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--burgundy-900);
}

/* --- Navbar --- */
.nav-link {
    position: relative;
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--burgundy-700);
    transition: width 0.3s var(--transition-smooth);
}
.nav-link:hover::after {
    width: 100%;
}

.nav-text {
    transition: color 0.3s var(--transition-smooth);
}
.nav-subtext {
    transition: color 0.3s var(--transition-smooth);
}

/* --- Hero Floating Cards --- */
.floating-card {
    animation: float 6s ease-in-out infinite;
}
.floating-card:nth-child(1) {
    animation-delay: 0s;
}
.floating-card:nth-child(2) {
    animation-delay: -1.5s;
}
.floating-card:nth-child(3) {
    animation-delay: -3s;
}
.floating-card:nth-child(4) {
    animation-delay: -4.5s;
}

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

/* --- Scroll Indicator --- */
@keyframes scroll-indicator {
    0% { top: -16px; opacity: 0; }
    20% { opacity: 1; }
    80% { opacity: 1; }
    100% { top: 48px; opacity: 0; }
}
.animate-scroll-indicator {
    animation: scroll-indicator 2s ease-in-out infinite;
}

/* --- Room Cards --- */
.room-card {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s var(--transition-smooth), transform 0.8s var(--transition-smooth);
}
.room-card.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- Feature Cards --- */
.feature-card {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s var(--transition-smooth), transform 0.8s var(--transition-smooth);
}
.feature-card.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- Mobile Menu --- */
#mobileMenu {
    transition: opacity 0.5s var(--transition-smooth), pointer-events 0.5s var(--transition-smooth);
}
#mobileMenu.open {
    opacity: 1;
    pointer-events: all;
}

.mobile-link {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s var(--transition-smooth), transform 0.4s var(--transition-smooth);
}
.mobile-link.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- Menu Icon Animation --- */
#menuBtn.active #bar1 {
    transform: translateY(4px) rotate(45deg);
}
#menuBtn.active #bar2 {
    opacity: 0;
    transform: scaleX(0);
}
#menuBtn.active #bar3 {
    transform: translateY(-4px) rotate(-45deg);
    width: 100%;
}

/* --- Reveal Animations --- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s var(--transition-smooth), transform 0.8s var(--transition-smooth);
}
.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; }

/* --- Decorative Line Animation --- */
.deco-line {
    width: 0;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--burgundy-400), transparent);
    transition: width 1s var(--transition-smooth);
}
.deco-line.visible {
    width: 100%;
}

/* --- Image Hover Effects --- */
img {
    display: block;
    max-width: 100%;
    height: auto;
}

/* --- Focus States --- */
button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--burgundy-700);
    outline-offset: 2px;
}

/* --- Selection --- */
::selection {
    background: rgba(123, 45, 59, 0.2);
    color: var(--burgundy-900);
}

/* --- Print Styles --- */
@media print {
    nav, #contact, footer { display: none; }
    body { color: #000; background: #fff; }
}