/* Theme Name: BLISS ONE */

/* ==========================================================================
   1. Design System: Variables & Base Styles
   ========================================================================== */

/**
 * Color Palette, Typography, and Animation Easing variables.
 * These are the foundational styles for the entire site.
 */
:root {
    --color-text: #0b0b0f;
    --color-background: #ffffff;
    --color-background-alt: #f7f8fa;
    --color-primary: #0ea5a5; /* Teal */
    --color-secondary: #6ba48c; /* Sage */
    --color-border: #eaeaea;
    --font-sans: "Inter", "Noto Sans JP", sans-serif;
    --font-serif: "Noto Serif JP", serif;
    --ease-out-quint: cubic-bezier(0.22, 1, 0.36, 1);
    --ease-in-out-cubic: cubic-bezier(0.65, 0, 0.35, 1);
}

/**
 * Base body styles.
 * Sets the default font, color, and responsive font size.
 */
.body {
    font-family: var(--font-sans);
    background-color: var(--color-background);
    color: var(--color-text);
    font-size: clamp(14px, 1.6vw, 16px);
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/**
 * Base heading styles.
 */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-serif);
    font-weight: 600;
    letter-spacing: 0.02em;
}

/* ==========================================================================
   2. Reusable Components
   ========================================================================== */

/**
 * Component: Section Eyebrow & Titles
 * Used for the small text above main section headings.
 */
.section-eyebrow {
    font-family: var(--font-sans);
    font-size: 0.875rem;
    color: #6b7280;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/**
 * Component: Button (btn)
 * Base button styles and variants.
 */
.btn {
    position: relative;
    display: inline-block;
    padding: 14px 32px;
    border-radius: 9999px;
    font-weight: 500;
    transition: color 0.4s var(--ease-in-out-cubic);
    border: 1px solid var(--color-text);
    font-size: 1rem;
    overflow: hidden;
    z-index: 1;
    cursor: pointer;
}
.btn::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.4s var(--ease-in-out-cubic);
    z-index: -1;
}
.btn:hover::before {
    transform: scaleX(1);
    transform-origin: left;
}

/* Modifier: Primary Button */
.btn--primary {
    background-color: var(--color-text);
    color: var(--color-background);
}
.btn--primary::before {
    background-color: var(--color-background);
}
.btn--primary:hover {
    color: var(--color-text);
}

/* Modifier: Secondary Button */
.btn--secondary {
    background-color: transparent;
    color: var(--color-text);
}
.btn--secondary::before {
    background-color: var(--color-text);
}
.btn--secondary:hover {
    color: var(--color-background);
}

/**
 * Component: Animated Underline
 * A hover effect for navigation links.
 */
.animated-underline {
    position: relative;
}
.animated-underline::after {
    content: "";
    position: absolute;
    width: 100%;
    transform: scaleX(0);
    height: 1px;
    bottom: -2px;
    left: 0;
    background-color: var(--color-text);
    transform-origin: bottom right;
    transition: transform 0.3s var(--ease-out-quint);
}
.animated-underline:hover::after {
    transform: scaleX(1);
    transform-origin: bottom left;
}

/**
 * Component: Form Elements
 */
.form__input {
    border: 0;
    border-bottom: 1px solid #ccc;
    border-radius: 0;
    padding: 10px 0;
    background: transparent;
    transition: border-color 0.3s;
}
.form__input:focus {
    outline: none;
    box-shadow: none;
    border-color: var(--color-text);
}
.form__required-mark {
    color: var(--color-primary);
    margin-left: 0.25rem;
}

/* ==========================================================================
   3. Section Specific Styles
   ========================================================================== */

/**
 * Section: Header
 */
.header {
    position: fixed;
    top: 0;
    z-index: 50;
    width: 100%;
    transition: all 0.3s ease-in-out;
}
.header--scrolled {
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
}

/**
 * Section: Hero
 */
.hero {
    position: relative;
    overflow: hidden;
}
.hero__light {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(
        circle at 50% 50%,
        rgba(200, 200, 200, 0.15),
        transparent 40%
    );
    transition: transform 0.2s ease-out;
    pointer-events: none;
    z-index: -1;
}

/**
 * Section: Services
 */
.services {
    background-color: var(--color-background-alt);
}

/**
 * Section: Strengths
 */
.strength-item__icon-wrapper {
    background-color: var(--color-background-alt);
}
.strength-item__icon {
    width: 1.5rem;
    height: 1.5rem;
    color: var(--color-text);
}

/**
 * Section: Process
 */
.process {
    background-color: var(--color-background-alt);
}
.process__timeline {
    position: absolute;
    left: 1rem;
    top: 1rem;
    bottom: 1rem;
    width: 2px;
    background-color: var(--color-border);
}
.process__timeline-progress {
    width: 100%;
    height: 0;
    background-color: var(--color-text);
    transition: height 0.3s ease-out;
}
.process-step__marker {
    background-color: var(--color-background);
    border-color: var(--color-border);
    transition: all 0.3s ease-in-out;
}
.process-step.is-active .process-step__marker {
    background-color: var(--color-text);
    border-color: var(--color-text);
    color: var(--color-background);
}

/**
 * Section: FAQ
 */
.faq__list {
    border-color: var(--color-border);
}
.faq-item__icon-bar {
    position: absolute;
    height: 1px;
    width: 100%;
    background-color: currentColor;
    top: 50%;
    left: 0;
    transition: transform 0.3s ease-in-out;
}
.faq-item__icon-bar--vertical {
    transform: rotate(90deg);
}
.group[open] .faq-item__icon-bar--horizontal {
    transform: rotate(180deg);
}
.group[open] .faq-item__icon-bar--vertical {
    transform: rotate(180deg);
}

/**
 * Section: Contact
 */
.contact {
    background-color: var(--color-background-alt);
}

/**
 * Section: Footer
 */
.footer {
    background-color: var(--color-text);
    color: #a0aec0; /* Equivalent to text-gray-400 */
}
.footer__copyright {
    border-color: #4a5568; /* Equivalent to border-gray-700 */
}

/* ==========================================================================
   4. Animations & Effects
   ========================================================================== */

/**
 * Reveal Animation on Scroll
 * Elements slide up and fade in when they enter the viewport.
 */
.reveal-parent .reveal-child {
    display: inline-block;
    opacity: 0;
    transform: translateY(100%);
    transition: opacity 0.8s var(--ease-out-quint),
        transform 0.8s var(--ease-out-quint);
    width: 100%;
}
.is-visible .reveal-child {
    opacity: 1;
    transform: translateY(0);
}