/* ============================================
   Around The Clock CareGiver — Homepage
   Warm, professional home care services design.
   Mobile-first layout with liquid glass FAB navigation.
   ============================================ */

/* ----------------------------------------
   CSS Custom Properties (Design Tokens)
   ---------------------------------------- */
:root {
    /* Colors — Home Care Warm Palette */
    --color-bg-primary: #fdf8f4;
    --color-bg-surface: #ffffff;
    --color-bg-alt: #f7f0e8;
    --color-bg-elevated: #f5efe7;
    --color-bg-dark: #1a1210;

    /* Text Colors */
    --color-text-primary: #1a1210;
    --color-text-secondary: #5c544d;
    --color-text-tertiary: #9a9088;
    --color-text-inverse: #fdf8f4;

    /* Accent — Healthcare Teal & Warm Coral */
    --color-gold: #2a7f8f;
    --color-gold-hover: #1f6b78;
    --color-gold-light: rgba(42, 127, 143, 0.1);
    --color-crimson: #e07a5f;
    --color-crimson-light: rgba(224, 122, 95, 0.08);

    /* Borders */
    --color-border: rgba(26, 18, 16, 0.08);
    --color-border-hover: rgba(26, 18, 16, 0.15);
    --color-border-gold: rgba(42, 127, 143, 0.3);

    /* Typography */
    --font-heading: 'Playfair Display', 'Georgia', serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.75rem;
    --font-size-5xl: 3.5rem;
    --font-size-hero: clamp(3rem, 10vw, 6rem);

    /* Font Weights */
    --fw-light: 300;
    --fw-regular: 400;
    --fw-medium: 500;
    --fw-semibold: 600;
    --fw-bold: 700;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;
    --spacing-5xl: 8rem;

    /* Border Radius */
    --radius-xs: 4px;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(26, 18, 16, 0.06);
    --shadow-md: 0 4px 16px rgba(26, 18, 16, 0.08);
    --shadow-lg: 0 8px 32px rgba(26, 18, 16, 0.12);
    --shadow-glass:
        0 8px 40px rgba(0, 0, 0, 0.08),
        0 2px 12px rgba(0, 0, 0, 0.04),
        0 0 0 0.5px rgba(255, 255, 255, 0.25) inset,
        0 1px 0 0 rgba(255, 255, 255, 0.15) inset;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Z-Index */
    --z-base: 1;
    --z-fab: 100;

    /* Container */
    --container-max: 1080px;
    --container-padding: 1.5rem;
}

/* ----------------------------------------
   Reset & Base
   ---------------------------------------- */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    -webkit-text-size-adjust: 100%;
    -moz-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    font-weight: var(--fw-regular);
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    overflow-x: hidden;
    overscroll-behavior-y: none;
}

a {
    color: var(--color-gold);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-gold-hover);
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul, ol {
    list-style: none;
}

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

/* Touch & Mobile Interaction */
a,
button,
input,
select,
textarea {
    -webkit-tap-highlight-color: transparent;
}

a,
button {
    touch-action: manipulation;
}

*:focus-visible {
    outline: 2px solid var(--color-gold);
    outline-offset: 2px;
}

/* ----------------------------------------
   Utilities
   ---------------------------------------- */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* ----------------------------------------
   Shared Section Styles
   ---------------------------------------- */
.section {
    padding: var(--spacing-5xl) 0;
}

.section-label {
    font-family: var(--font-body);
    font-size: var(--font-size-xs);
    font-weight: var(--fw-semibold);
    color: var(--color-gold);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: var(--spacing-md);
}

.section-heading {
    font-family: var(--font-heading);
    font-size: var(--font-size-3xl);
    font-weight: var(--fw-medium);
    line-height: 1.25;
    letter-spacing: -0.01em;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-lg);
}

.section-intro {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    line-height: 1.7;
    max-width: 680px;
    margin-bottom: var(--spacing-3xl);
}

/* ----------------------------------------
   Hero — Full-Viewport Cinematic Intro
   ---------------------------------------- */
.hero {
    position: relative;
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-dark);
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(
        ellipse at 50% 40%,
        rgba(42, 127, 143, 0.15) 0%,
        rgba(26, 18, 16, 0.7) 60%,
        rgba(26, 18, 16, 0.95) 100%
    );
    z-index: 1;
}

.hero-container {
    position: relative;
    z-index: 2;
}

.hero-content {
    text-align: center;
    max-width: 640px;
    margin: 0 auto;
}

.hero-eyebrow {
    font-family: var(--font-body);
    font-size: var(--font-size-sm);
    font-weight: var(--fw-light);
    color: rgba(253, 248, 244, 0.6);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    margin-bottom: var(--spacing-xl);
}

.hero-title {
    font-family: var(--font-heading);
    font-size: var(--font-size-hero);
    font-weight: var(--fw-regular);
    line-height: 1.0;
    color: var(--color-text-inverse);
    margin-bottom: var(--spacing-lg);
}

.hero-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.hero-divider::before,
.hero-divider::after {
    content: '';
    width: 60px;
    height: 1px;
    background: var(--color-border-gold);
}

.hero-divider-icon {
    font-size: var(--font-size-xl);
    color: var(--color-gold);
    line-height: 1;
}

.hero-subtitle {
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    font-weight: var(--fw-light);
    color: rgba(253, 248, 244, 0.7);
    line-height: 1.7;
    max-width: 480px;
    margin: 0 auto var(--spacing-2xl);
}

.hero-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-4xl);
}

.hero-date {
    font-family: var(--font-heading);
    font-size: var(--font-size-2xl);
    font-weight: var(--fw-medium);
    color: var(--color-gold);
    letter-spacing: 0.02em;
}

.hero-location {
    font-family: var(--font-body);
    font-size: var(--font-size-sm);
    font-weight: var(--fw-light);
    color: rgba(253, 248, 244, 0.5);
    text-transform: uppercase;
    letter-spacing: 0.15em;
}

.hero-scroll-hint {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    color: rgba(253, 248, 244, 0.3);
    font-size: var(--font-size-xs);
    font-weight: var(--fw-light);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    animation: gentleBounce 2.5s ease-in-out infinite;
}

@keyframes gentleBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(6px); }
}

/* ----------------------------------------
   About Us — Mission & Values
   ---------------------------------------- */
.section-about {
    background: var(--color-bg-surface);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.about-card {
    max-width: 720px;
    margin-top: var(--spacing-xl);
    padding: var(--spacing-3xl);
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.about-text {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    line-height: 1.8;
}

.about-text + .about-text {
    margin-top: var(--spacing-md);
}

.about-values {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-top: var(--spacing-2xl);
    max-width: 720px;
}

.about-value {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--color-gold-light);
    border: 1px solid var(--color-border-gold);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: var(--fw-medium);
    color: var(--color-text-primary);
}

.about-value i {
    color: var(--color-gold);
    font-size: var(--font-size-sm);
}

/* ----------------------------------------
   Our Services — Service Cards Grid
   ---------------------------------------- */
.section-services {
    background: var(--color-bg-primary);
}

/* ----------------------------------------
   Why Choose Us — Benefits Cards Grid
   ---------------------------------------- */
.section-benefits {
    background: var(--color-bg-surface);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.info-card {
    padding: var(--spacing-xl);
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: box-shadow var(--transition-base);
}

.info-card:hover {
    box-shadow: var(--shadow-md);
}

.info-card-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: var(--color-gold-light);
    border: 1px solid var(--color-border-gold);
    margin-bottom: var(--spacing-lg);
}

.info-card-icon i {
    font-size: var(--font-size-lg);
    color: var(--color-gold);
}

.info-card-title {
    font-family: var(--font-heading);
    font-size: var(--font-size-base);
    font-weight: var(--fw-semibold);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

.info-card-desc {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* ----------------------------------------
   How It Works — Process Steps
   ---------------------------------------- */
.section-process {
    background: var(--color-bg-primary);
}

.process-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.highlight-card {
    padding: var(--spacing-xl);
    background: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: box-shadow var(--transition-base);
}

.highlight-card:hover {
    box-shadow: var(--shadow-md);
}

.highlight-number {
    font-family: var(--font-heading);
    font-size: var(--font-size-3xl);
    font-weight: var(--fw-bold);
    color: var(--color-gold-light);
    line-height: 1;
    margin-bottom: var(--spacing-sm);
    /* Make the number bolder in the light color */
    -webkit-text-stroke: 1px var(--color-border-gold);
}

.highlight-title {
    font-family: var(--font-heading);
    font-size: var(--font-size-lg);
    font-weight: var(--fw-medium);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

.highlight-desc {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* ----------------------------------------
   Footer
   ---------------------------------------- */
.footer {
    padding: var(--spacing-2xl) 0;
    background: var(--color-bg-dark);
    color: var(--color-text-inverse);
}

.footer-content {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: var(--font-size-2xl);
    font-weight: var(--fw-medium);
    color: var(--color-gold);
    margin-bottom: var(--spacing-xs);
}

.footer-tagline {
    font-size: var(--font-size-sm);
    color: rgba(253, 248, 244, 0.4);
    letter-spacing: 0.05em;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(253, 248, 244, 0.08);
}

.footer-bottom p {
    font-size: var(--font-size-xs);
    color: rgba(253, 248, 244, 0.3);
}

/* ============================================
   APPLE-STYLE SCROLL ANIMATIONS
   Reveal-on-scroll with staggered delays,
   hero parallax fade, and cinematic transitions.
   All driven by IntersectionObserver via JS.
   ============================================ */

/* ── Base hidden state for all reveal elements ── */
[data-reveal] {
    opacity: 0;
    will-change: opacity, transform;
    transition:
        opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
        transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Delay tiers — set by data-delay or data-stagger */
[data-reveal][data-delay="1"],
[data-reveal][data-stagger="1"] { transition-delay: 0.1s; }
[data-reveal][data-delay="2"],
[data-reveal][data-stagger="2"] { transition-delay: 0.2s; }
[data-reveal][data-delay="3"],
[data-reveal][data-stagger="3"] { transition-delay: 0.3s; }
[data-reveal][data-delay="4"],
[data-reveal][data-stagger="4"] { transition-delay: 0.4s; }
[data-reveal][data-delay="5"],
[data-reveal][data-stagger="5"] { transition-delay: 0.5s; }

/* ── Fade Up — default reveal: slide up 40px ── */
[data-reveal="fade-up"] {
    transform: translateY(40px);
}

/* ── Fade — opacity only ── */
[data-reveal="fade"] {
    transform: none;
}

/* ── Scale — divider / decorative elements ── */
[data-reveal="scale"] {
    transform: scaleX(0);
}

/* ── Visible state — applied by JS ── */
[data-reveal].is-visible {
    opacity: 1;
    transform: translateY(0) scaleX(1);
}

/* ── Hero Parallax — JS sets --scroll-y for fade + lift ── */
[data-hero-parallax] .hero-content {
    transition: none;
    will-change: transform, opacity;
}

/* ── Cards get a subtle lift on reveal ── */
.info-card,
.highlight-card {
    transition:
        box-shadow var(--transition-base),
        opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
        transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ── Section borders get a grow-in effect ── */
.hero-divider::before,
.hero-divider::after {
    transition: transform 1s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ----------------------------------------
   Mobile Responsive (max-width: 768px)
   ---------------------------------------- */
@media (max-width: 768px) {
    .hero-title {
        font-size: clamp(2.5rem, 12vw, 4rem);
    }

    .hero-eyebrow {
        font-size: var(--font-size-xs);
    }

    .about-card {
        padding: var(--spacing-xl);
    }

    .info-grid {
        grid-template-columns: 1fr;
    }

    .process-grid {
        grid-template-columns: 1fr;
    }

    .section-heading {
        font-size: var(--font-size-2xl);
    }
}

/* ----------------------------------------
   Small Mobile (max-width: 480px)
   ---------------------------------------- */
@media (max-width: 480px) {
    :root {
        --container-padding: 1.25rem;
    }

    .section {
        padding: var(--spacing-4xl) 0;
    }

    .hero-subtitle {
        font-size: var(--font-size-sm);
    }

    .hero-divider::before,
    .hero-divider::after {
        width: 40px;
    }

    .about-values {
        flex-direction: column;
        align-items: stretch;
    }

    .info-card {
        padding: var(--spacing-lg);
    }

    .highlight-card {
        padding: var(--spacing-lg);
    }

}

/* ----------------------------------------
   Safe Area Insets (Notched Phones)
   ---------------------------------------- */
@supports (padding: env(safe-area-inset-bottom)) {
    .footer-bottom {
        padding-bottom: calc(var(--spacing-md) + env(safe-area-inset-bottom));
    }
}

/* ----------------------------------------
   Reduced Motion
   ---------------------------------------- */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }

    /* Disable scroll reveal animations — show everything immediately */
    [data-reveal] {
        opacity: 1 !important;
        transform: none !important;
        transition: none !important;
    }

    [data-hero-parallax] .hero-content {
        opacity: 1 !important;
        transform: none !important;
    }
}