/* ========================================
   The Purity Room — Custom Styles
   Clean Minimalist · Forest Green & Cream
======================================== */

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

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

body {
    overflow-x: hidden;
}

/* ---------- Grain Texture Overlay ---------- */
.grain-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.025;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    background-repeat: repeat;
    background-size: 256px 256px;
}

/* ---------- Navigation ---------- */
#navbar {
    background: transparent;
    transition: background 0.4s ease, box-shadow 0.4s ease, backdrop-filter 0.4s ease;
}

#navbar.scrolled {
    background: rgba(250, 248, 245, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(26, 60, 40, 0.06);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: currentColor;
    transition: width 0.3s ease;
}

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

/* Mobile Menu */
#mobile-menu.open {
    opacity: 1;
    pointer-events: all;
}

#mobile-menu.closed {
    opacity: 0;
    pointer-events: none;
}

.mobile-link {
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

#mobile-menu.open .mobile-link {
    opacity: 1;
    transform: translateY(0);
}

#mobile-menu.open .mobile-link:nth-child(1) { transition-delay: 0.05s; }
#mobile-menu.open .mobile-link:nth-child(2) { transition-delay: 0.1s; }
#mobile-menu.open .mobile-link:nth-child(3) { transition-delay: 0.15s; }
#mobile-menu.open .mobile-link:nth-child(4) { transition-delay: 0.2s; }
#mobile-menu.open .mobile-link:nth-child(5) { transition-delay: 0.25s; }

/* Menu icon animation */
#menu-toggle.active #bar1 {
    transform: rotate(45deg) translate(3px, 3px);
}
#menu-toggle.active #bar2 {
    opacity: 0;
    width: 0;
}
#menu-toggle.active #bar3 {
    transform: rotate(-45deg) translate(3px, -3px);
}

/* ---------- Hero ---------- */
.hero-tag {
    animation: fadeUp 0.8s ease forwards;
}

.hero-title {
    animation: fadeUp 0.8s ease 0.15s forwards;
    opacity: 0;
    transform: translateY(20px);
}

.hero-subtitle {
    animation: fadeUp 0.8s ease 0.3s forwards;
    opacity: 0;
    transform: translateY(20px);
}

@keyframes fadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

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

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

@keyframes float1 {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-12px) rotate(0.5deg); }
}

@keyframes float2 {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-8px) rotate(-0.5deg); }
}

@keyframes float3 {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-10px) rotate(0.3deg); }
}

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

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(26, 60, 40, 0.02) 0%, transparent 60%);
    opacity: 0;
    transition: opacity 0.5s ease;
    pointer-events: none;
}

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

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 60px -20px rgba(26, 60, 40, 0.15);
}

/* ---------- Scroll Reveal ---------- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    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 {
    box-shadow: 0 4px 20px rgba(26, 60, 40, 0.2);
}

.back-to-top.visible {
    opacity: 1;
    pointer-events: all;
}

/* ---------- Selection ---------- */
::selection {
    background: rgba(178, 207, 184, 0.4);
    color: #1a3c28;
}

/* ---------- Custom Scrollbar ---------- */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: #faf8f5;
}

::-webkit-scrollbar-thumb {
    background: #b2cfb8;
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: #82b08a;
}

/* ---------- Focus States ---------- */
:focus-visible {
    outline: 2px solid #1a3c28;
    outline-offset: 2px;
}

/* ---------- Select styling ---------- */
select {
    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='%2382b08a' 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 0 center;
    padding-right: 2rem;
}

/* ---------- Responsive ---------- */
@media (max-width: 767px) {
    .hero-title {
        font-size: 2.75rem;
    }

    #hero {
        min-height: auto;
        padding-top: 8rem;
        padding-bottom: 4rem;
    }

    .floating-card-1,
    .floating-card-2,
    .floating-card-3 {
        display: none;
    }
}

@media (min-width: 768px) and (max-width: 1023px) {
    .hero-title {
        font-size: 4rem;
    }
}