/*
Theme Name: Recircle
Version: 1.1.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: recircle
Tags: one-column, custom-menu, featured-images, translation-ready, corporate
*/

/* ==========================================================================
   CSS Variables
   ========================================================================== */
:root {
    --color-primary: #0d9488;
    --color-primary-dark: #115e59;
    --color-primary-light: #14b8a6;
    --color-secondary: #134e4a;
    --color-accent: #2dd4bf;
    --color-accent-light: #99f6e4;
    --color-white: #ffffff;
    --color-light: #f0fdfa;
    --color-gray: #64748b;
    --color-gray-light: #e2e8f0;
    --color-dark: #0f172a;
    --color-text: #334155;
    --font-primary: 'Noto Sans JP', 'Helvetica Neue', Arial, sans-serif;
    --font-heading: 'Inter', 'Noto Sans JP', sans-serif;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow: 0 4px 20px rgba(13, 148, 136, 0.1);
    --shadow-hover: 0 20px 40px rgba(13, 148, 136, 0.2);
    --radius: 12px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.3);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    font-weight: 400;
    line-height: 1.8;
    color: var(--color-text);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

img {
    max-width: 100%;
    height: auto;
    vertical-align: middle;
}

ul, ol {
    list-style: none;
}

/* ==========================================================================
   Typography
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.3;
    color: var(--color-dark);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: 1rem;
}

/* ==========================================================================
   Layout
   ========================================================================== */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: 120px 0;
    position: relative;
}

/* ==========================================================================
   Header - Glassmorphism Style
   ========================================================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    transition: var(--transition);
}

.header--scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.header__logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.header__nav {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.header__nav-list {
    display: flex;
    gap: 0.5rem;
}

.header__nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text);
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius);
    position: relative;
    overflow: hidden;
}

.header__nav-link::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    opacity: 0;
    transition: var(--transition);
    border-radius: var(--radius);
}

.header__nav-link:hover::before {
    opacity: 0.1;
}

.header__nav-link:hover {
    color: var(--color-primary);
}

/* Mobile Menu Button */
.header__menu-btn {
    display: none;
    width: 44px;
    height: 44px;
    background: var(--color-light);
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    position: relative;
}

.header__menu-btn span {
    position: absolute;
    left: 50%;
    width: 20px;
    height: 2px;
    background: var(--color-dark);
    transform: translateX(-50%);
    transition: var(--transition);
}

.header__menu-btn span:nth-child(1) { top: 15px; }
.header__menu-btn span:nth-child(2) { top: 21px; }
.header__menu-btn span:nth-child(3) { top: 27px; }

.header__menu-btn.is-active span:nth-child(1) {
    top: 21px;
    transform: translateX(-50%) rotate(45deg);
}

.header__menu-btn.is-active span:nth-child(2) {
    opacity: 0;
}

.header__menu-btn.is-active span:nth-child(3) {
    top: 21px;
    transform: translateX(-50%) rotate(-45deg);
}

/* ==========================================================================
   Hero Section - Immersive Tech Design
   ========================================================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: linear-gradient(160deg, var(--color-dark) 0%, var(--color-secondary) 50%, var(--color-primary-dark) 100%);
    overflow: hidden;
}

/* Animated Mesh Gradient Background */
.hero__mesh {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 50% at 20% 40%, rgba(45, 212, 191, 0.3), transparent),
        radial-gradient(ellipse 60% 40% at 80% 60%, rgba(13, 148, 136, 0.3), transparent),
        radial-gradient(ellipse 40% 30% at 40% 80%, rgba(20, 184, 166, 0.2), transparent);
    animation: meshMove 15s ease-in-out infinite;
}

@keyframes meshMove {
    0%, 100% { transform: scale(1) rotate(0deg); }
    50% { transform: scale(1.1) rotate(3deg); }
}

/* Floating Orbs */
.hero__orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    animation: orbFloat 8s ease-in-out infinite;
}

.hero__orb--1 {
    width: 400px;
    height: 400px;
    background: var(--color-accent);
    opacity: 0.2;
    top: 10%;
    right: 10%;
    animation-delay: 0s;
}

.hero__orb--2 {
    width: 300px;
    height: 300px;
    background: var(--color-primary);
    opacity: 0.15;
    bottom: 20%;
    left: 5%;
    animation-delay: 2s;
}

.hero__orb--3 {
    width: 200px;
    height: 200px;
    background: var(--color-accent-light);
    opacity: 0.1;
    top: 50%;
    left: 50%;
    animation-delay: 4s;
}

@keyframes orbFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.05); }
    66% { transform: translate(-20px, 20px) scale(0.95); }
}

/* Circuit Lines */
.hero__circuits {
    position: absolute;
    inset: 0;
    opacity: 0.1;
    background-image:
        linear-gradient(var(--color-accent) 1px, transparent 1px),
        linear-gradient(90deg, var(--color-accent) 1px, transparent 1px),
        linear-gradient(var(--color-accent) 0.5px, transparent 0.5px),
        linear-gradient(90deg, var(--color-accent) 0.5px, transparent 0.5px);
    background-size: 100px 100px, 100px 100px, 20px 20px, 20px 20px;
    background-position: -1px -1px, -1px -1px, -0.5px -0.5px, -0.5px -0.5px;
}

/* Rotating Ring */
.hero__ring-container {
    position: absolute;
    top: 50%;
    right: 5%;
    transform: translateY(-50%);
    width: 500px;
    height: 500px;
    opacity: 0.3;
}

.hero__ring {
    position: absolute;
    inset: 0;
    border: 1px solid var(--color-accent);
    border-radius: 50%;
}

.hero__ring--1 {
    animation: ringRotate 30s linear infinite;
}

.hero__ring--2 {
    inset: 40px;
    border-style: dashed;
    animation: ringRotate 25s linear infinite reverse;
}

.hero__ring--3 {
    inset: 80px;
    border-width: 2px;
    animation: ringRotate 20s linear infinite;
}

.hero__ring-dot {
    position: absolute;
    width: 12px;
    height: 12px;
    background: var(--color-accent);
    border-radius: 50%;
    top: 50%;
    left: 0;
    transform: translate(-50%, -50%);
    box-shadow: 0 0 20px var(--color-accent);
}

@keyframes ringRotate {
    to { transform: rotate(360deg); }
}

.hero__content {
    position: relative;
    z-index: 10;
    max-width: 700px;
    padding: 0 2rem;
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(45, 212, 191, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(45, 212, 191, 0.3);
    padding: 0.5rem 1rem;
    border-radius: 100px;
    margin-bottom: 2rem;
}

.hero__badge-dot {
    width: 8px;
    height: 8px;
    background: var(--color-accent);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

.hero__badge-text {
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-accent);
}

.hero__title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero__title-line {
    display: block;
}

.hero__title-gradient {
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__description {
    font-size: 1.125rem;
    line-height: 1.9;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2.5rem;
}

.hero__actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero__cta {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
}

.hero__cta--primary {
    background: linear-gradient(135deg, var(--color-accent), var(--color-primary-light));
    color: var(--color-dark);
    box-shadow: 0 4px 20px rgba(45, 212, 191, 0.4);
}

.hero__cta--primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(45, 212, 191, 0.5);
}

.hero__cta--secondary {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--color-white);
}

.hero__cta--secondary:hover {
    background: rgba(255, 255, 255, 0.2);
}

.hero__cta-icon {
    width: 20px;
    height: 20px;
    transition: var(--transition);
}

.hero__cta:hover .hero__cta-icon {
    transform: translateX(4px);
}

/* Diagonal Divider */
.hero__divider {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 150px;
    background: var(--color-white);
    clip-path: polygon(0 100%, 100% 30%, 100% 100%);
}

/* ==========================================================================
   Section Header - Modern Style
   ========================================================================== */
.section__header {
    text-align: center;
    margin-bottom: 5rem;
}

.section__label {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-primary);
    margin-bottom: 1rem;
}

.section__label::before,
.section__label::after {
    content: '';
    width: 30px;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    border-radius: 1px;
}

.section__title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 800;
    color: var(--color-dark);
    margin-bottom: 1rem;
}

.section__title-accent {
    color: var(--color-primary);
}

.section__description {
    font-size: 1.1rem;
    color: var(--color-gray);
    max-width: 600px;
    margin: 0 auto;
}

/* ==========================================================================
   About Section - Centered Layout
   ========================================================================== */
.about {
    background: var(--color-white);
    overflow: hidden;
}

.about__intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 4rem;
}

.about__company-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
}

.about__text {
    color: var(--color-text);
    margin-bottom: 1rem;
    line-height: 1.9;
}

/* Features - 4 Column Grid Cards */
.about__features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.about__feature-card {
    background: var(--color-light);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.about__feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    transform: scaleX(0);
    transition: var(--transition);
}

.about__feature-card:hover {
    background: var(--color-white);
    box-shadow: var(--shadow-hover);
    transform: translateY(-8px);
}

.about__feature-card:hover::before {
    transform: scaleX(1);
}

.about__feature-card-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.about__feature-card-icon svg {
    width: 28px;
    height: 28px;
    color: var(--color-white);
}

.about__feature-card-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 0.75rem;
}

.about__feature-card-text {
    font-size: 0.9rem;
    color: var(--color-gray);
    margin-bottom: 0;
    line-height: 1.7;
}

/* ==========================================================================
   Business Section - Interactive Cards
   ========================================================================== */
.business {
    background: linear-gradient(180deg, var(--color-light) 0%, var(--color-white) 100%);
    position: relative;
}

.business::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 150px;
    background: var(--color-white);
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0 30%);
}

.business__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    position: relative;
    z-index: 1;
}

.business__card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid var(--color-gray-light);
    display: flex;
    flex-direction: column;
    min-height: 380px;
}

.business__card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

.business__card::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 150px;
    height: 150px;
    background: linear-gradient(135deg, transparent, rgba(45, 212, 191, 0.05));
    border-radius: 50%;
    transform: translate(30%, 30%);
    transition: var(--transition);
}

.business__card:hover {
    transform: translateY(-12px);
    box-shadow: var(--shadow-hover);
    border-color: transparent;
}

.business__card:hover::before {
    transform: scaleX(1);
}

.business__card:hover::after {
    transform: translate(20%, 20%) scale(1.5);
}

.business__card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

.business__card-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--color-light), var(--color-white));
    border: 2px solid var(--color-gray-light);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.business__card:hover .business__card-icon {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    border-color: transparent;
}

.business__card-icon svg {
    width: 28px;
    height: 28px;
    color: var(--color-primary);
    transition: var(--transition);
}

.business__card:hover .business__card-icon svg {
    color: var(--color-white);
}

.business__card-number {
    font-family: var(--font-heading);
    font-size: 4rem;
    font-weight: 800;
    line-height: 1;
    background: linear-gradient(135deg, var(--color-gray-light), transparent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.business__card-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 1rem;
}

.business__card-text {
    font-size: 0.95rem;
    color: var(--color-gray);
    line-height: 1.8;
    flex: 1;
}

.business__card-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-top: 1.5rem;
    opacity: 0;
    transform: translateY(10px);
    transition: var(--transition);
}

.business__card:hover .business__card-link {
    opacity: 1;
    transform: translateY(0);
}

.business__card-link svg {
    width: 18px;
    height: 18px;
    transition: var(--transition);
}

.business__card-link:hover svg {
    transform: translateX(4px);
}

/* ==========================================================================
   Contact Section - Modern Glass Design
   ========================================================================== */
.contact {
    background: linear-gradient(160deg, var(--color-dark) 0%, var(--color-secondary) 50%, var(--color-primary-dark) 100%);
    position: relative;
    overflow: hidden;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 150px;
    background: var(--color-white);
    clip-path: polygon(0 0, 100% 0, 0 100%);
}

/* Background Decoration */
.contact__bg-pattern {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(45, 212, 191, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(13, 148, 136, 0.1) 0%, transparent 50%);
}

.contact .section__label {
    color: var(--color-accent);
}

.contact .section__label::before,
.contact .section__label::after {
    background: var(--color-accent);
}

.contact .section__title {
    color: var(--color-white);
}

.contact__wrapper {
    max-width: 700px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.contact__text {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.9;
    margin-bottom: 2.5rem;
    text-align: center;
}

/* Contact Form - Glass Card */
.contact__form-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: 3rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.contact__form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form__group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form__label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-dark);
}

.form__label--required::after {
    content: '*';
    color: var(--color-primary);
    margin-left: 0.25rem;
}

.form__input,
.form__textarea {
    width: 100%;
    padding: 1rem 1.25rem;
    background: var(--color-white);
    border: 2px solid var(--color-gray-light);
    border-radius: var(--radius);
    color: var(--color-dark);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition);
}

.form__input::placeholder,
.form__textarea::placeholder {
    color: var(--color-gray);
}

.form__input:focus,
.form__textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(13, 148, 136, 0.1);
}

.form__textarea {
    min-height: 150px;
    resize: vertical;
}

.form__submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: var(--color-white);
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 600;
    padding: 1.25rem 2.5rem;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 20px rgba(13, 148, 136, 0.3);
}

.form__submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(13, 148, 136, 0.4);
}

.form__submit-icon {
    width: 20px;
    height: 20px;
    transition: var(--transition);
}

.form__submit:hover .form__submit-icon {
    transform: translateX(4px);
}

.form__message {
    padding: 1rem 1.5rem;
    border-radius: var(--radius);
    text-align: center;
    font-weight: 500;
    display: none;
}

.form__message--success {
    background: rgba(13, 148, 136, 0.1);
    color: var(--color-primary);
    border: 1px solid rgba(13, 148, 136, 0.2);
    display: block;
}

.form__message--error {
    background: rgba(239, 68, 68, 0.1);
    color: #dc2626;
    border: 1px solid rgba(239, 68, 68, 0.2);
    display: block;
}

/* ==========================================================================
   Footer - Minimal Design
   ========================================================================== */
.footer {
    background: var(--color-dark);
    color: var(--color-white);
    padding: 3rem 0;
}

.footer__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer__logo {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-white);
}

.footer__copyright {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
}

/* ==========================================================================
   Animations
   ========================================================================== */
.fade-in {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-in.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-in-left.is-visible {
    opacity: 1;
    transform: translateX(0);
}

.fade-in-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-in-right.is-visible {
    opacity: 1;
    transform: translateX(0);
}

/* Stagger Animation */
.stagger-item {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1), transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.stagger-item.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.stagger-item:nth-child(1) { transition-delay: 0.1s; }
.stagger-item:nth-child(2) { transition-delay: 0.2s; }
.stagger-item:nth-child(3) { transition-delay: 0.3s; }
.stagger-item:nth-child(4) { transition-delay: 0.4s; }

/* ==========================================================================
   Responsive Design
   ========================================================================== */
@media (max-width: 1024px) {
    .hero__ring-container {
        width: 350px;
        height: 350px;
        right: -50px;
    }

    .about__features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .business__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .business__card:last-child {
        grid-column: span 2;
        max-width: 50%;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .section {
        padding: 80px 0;
    }

    .container {
        padding: 0 1.5rem;
    }

    /* Header Mobile */
    .header__nav {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--color-white);
        padding: 2rem;
        flex-direction: column;
        gap: 1.5rem;
        transform: translateX(100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }

    .header__nav.is-active {
        transform: translateX(0);
        opacity: 1;
        visibility: visible;
    }

    .header__nav-list {
        flex-direction: column;
        gap: 0.5rem;
        width: 100%;
    }

    .header__nav-link {
        display: block;
        text-align: center;
        padding: 1rem;
    }

    .header__menu-btn {
        display: block;
    }

    /* Hero Mobile */
    .hero {
        min-height: 100svh;
        padding-top: 100px;
    }

    .hero__ring-container {
        display: none;
    }

    .hero__content {
        text-align: center;
    }

    .hero__actions {
        justify-content: center;
    }

    .hero__divider {
        height: 80px;
    }

    /* About Mobile */
    .about__features-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .about__feature-card {
        padding: 1.5rem;
    }

    /* Business Mobile */
    .business__grid {
        grid-template-columns: 1fr;
    }

    .business__card:last-child {
        grid-column: auto;
        max-width: 100%;
    }

    .business__card {
        min-height: auto;
    }

    .business__card-link {
        opacity: 1;
        transform: translateY(0);
    }

    /* Contact Mobile */
    .contact::before {
        height: 80px;
    }

    .contact__form-card {
        padding: 2rem;
    }

    /* Footer Mobile */
    .footer__inner {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    .hero__badge {
        padding: 0.4rem 0.75rem;
    }

    .hero__badge-text {
        font-size: 0.75rem;
    }

    .hero__cta {
        width: 100%;
        justify-content: center;
    }

    .section__header {
        margin-bottom: 3rem;
    }

    .about__feature {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }

    .business__card {
        padding: 2rem;
    }

    .contact__form-card {
        padding: 1.5rem;
    }

    .form__submit {
        width: 100%;
    }
}