/*
Theme Name: TWINCOME
Theme URI:
Author:
Author URI:
Description:
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.4
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: twincome
*/

/* ==========================================================================
   CSS Variables
   ========================================================================== */
:root {
    /* Colors - Tech Blue Theme */
    --color-primary: #2563EB;
    --color-primary-dark: #1D4ED8;
    --color-primary-light: #3B82F6;
    --color-accent: #06B6D4;
    --color-accent-light: #22D3EE;

    /* Dark colors */
    --color-dark: #0F172A;
    --color-dark-light: #1E293B;
    --color-dark-muted: #334155;

    /* Light colors */
    --color-light: #F8FAFC;
    --color-light-gray: #E2E8F0;
    --color-medium-gray: #94A3B8;

    /* Text colors */
    --color-text-primary: #0F172A;
    --color-text-secondary: #475569;
    --color-text-muted: #64748B;
    --color-text-inverse: #FFFFFF;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    --gradient-dark: linear-gradient(135deg, var(--color-dark) 0%, var(--color-dark-light) 100%);
    --gradient-glow: linear-gradient(135deg, rgba(37, 99, 235, 0.2) 0%, rgba(6, 182, 212, 0.2) 100%);

    /* Typography */
    --font-primary: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', Meiryo, sans-serif;
    --font-heading: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', sans-serif;

    /* Font sizes */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;

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

    /* Layout */
    --container-max: 1200px;
    --header-height: 80px;

    /* Effects */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 30px rgba(37, 99, 235, 0.3);
    --shadow-glow-accent: 0 0 30px rgba(6, 182, 212, 0.3);

    /* Border radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
}

body {
    font-family: var(--font-primary);
    font-size: var(--text-base);
    line-height: 1.7;
    color: var(--color-text-primary);
    background-color: var(--color-light);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol {
    list-style: none;
}

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

/* ==========================================================================
   Utility Classes
   ========================================================================== */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ==========================================================================
   Header
   ========================================================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-light-gray);
    z-index: 1000;
    transition: all var(--transition-base);
}

.header--scrolled {
    box-shadow: var(--shadow-md);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.header__logo {
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: 0.05em;
}

.header__logo span {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Navigation */
.nav {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav__list {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.nav__link {
    position: relative;
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    padding: var(--space-sm) 0;
    transition: color var(--transition-fast);
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-base);
}

.nav__link:hover,
.nav__link--active {
    color: var(--color-primary);
}

.nav__link:hover::after,
.nav__link--active::after {
    width: 100%;
}

/* Mobile menu toggle */
.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-sm);
}

.nav__toggle-bar {
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    transition: all var(--transition-fast);
}

.nav__toggle--active .nav__toggle-bar:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav__toggle--active .nav__toggle-bar:nth-child(2) {
    opacity: 0;
}

.nav__toggle--active .nav__toggle-bar:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ==========================================================================
   Hero Section - Split Layout
   ========================================================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--header-height);
    background: var(--color-light);
    overflow: hidden;
}

.hero__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: var(--space-3xl) var(--space-lg);
}

.hero__content {
    position: relative;
    z-index: 2;
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--gradient-glow);
    border: 1px solid rgba(37, 99, 235, 0.2);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    color: var(--color-primary);
    margin-bottom: var(--space-lg);
}

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

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero__title {
    font-family: var(--font-heading);
    font-size: var(--text-5xl);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-text-primary);
    margin-bottom: var(--space-lg);
}

.hero__title-highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__description {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--space-xl);
}

.hero__buttons {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-size: var(--text-base);
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.btn--primary {
    background: var(--gradient-primary);
    color: var(--color-text-inverse);
    box-shadow: var(--shadow-md);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.btn--outline {
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
    background: transparent;
}

.btn--outline:hover {
    background: var(--color-primary);
    color: var(--color-text-inverse);
}

/* Hero Visual */
.hero__visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 500px;
}

.hero__graphic {
    position: relative;
    width: 100%;
    height: 100%;
}

/* Geometric shapes */
.hero__shape {
    position: absolute;
    border-radius: var(--radius-lg);
}

.hero__shape--1 {
    width: 300px;
    height: 300px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--gradient-primary);
    opacity: 0.1;
    animation: float 6s ease-in-out infinite;
}

.hero__shape--2 {
    width: 200px;
    height: 200px;
    top: 20%;
    right: 10%;
    background: var(--gradient-glow);
    border: 2px solid rgba(37, 99, 235, 0.3);
    animation: float 8s ease-in-out infinite reverse;
}

.hero__shape--3 {
    width: 150px;
    height: 150px;
    bottom: 20%;
    left: 10%;
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.2) 0%, rgba(6, 182, 212, 0.05) 100%);
    border: 2px solid rgba(6, 182, 212, 0.3);
    animation: float 7s ease-in-out infinite;
}

.hero__shape--circle {
    border-radius: var(--radius-full);
}

@keyframes float {
    0%, 100% { transform: translate(-50%, -50%) translateY(0); }
    50% { transform: translate(-50%, -50%) translateY(-20px); }
}

/* Dot pattern */
.hero__dots {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 250px;
    height: 250px;
    background-image: radial-gradient(circle, var(--color-primary) 2px, transparent 2px);
    background-size: 20px 20px;
    opacity: 0.3;
}

/* Center icon */
.hero__icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120px;
    height: 120px;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-glow);
    z-index: 2;
}

.hero__icon svg {
    width: 60px;
    height: 60px;
    color: var(--color-text-inverse);
}

/* ==========================================================================
   Section Common
   ========================================================================== */
.section {
    padding: var(--space-4xl) 0;
}

.section--gray {
    background: var(--color-light);
}

.section--dark {
    background: var(--gradient-dark);
    color: var(--color-text-inverse);
}

.section__header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section__label {
    display: inline-block;
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-md);
}

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

.section__title {
    font-family: var(--font-heading);
    font-size: var(--text-4xl);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: var(--space-md);
}

.section__subtitle {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.section--dark .section__subtitle {
    color: var(--color-medium-gray);
}

/* ==========================================================================
   About Section
   ========================================================================== */
.about__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.about__image {
    position: relative;
}

.about__image-wrapper {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.about__image-wrapper::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-primary);
    opacity: 0.1;
    z-index: 1;
}

.about__image-wrapper img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.about__image-decoration {
    position: absolute;
    width: 100px;
    height: 100px;
    border: 3px solid var(--color-primary);
    border-radius: var(--radius-lg);
    opacity: 0.5;
}

.about__image-decoration--1 {
    top: -20px;
    right: -20px;
}

.about__image-decoration--2 {
    bottom: -20px;
    left: -20px;
}

.about__text h3 {
    font-size: var(--text-2xl);
    font-weight: 700;
    margin-bottom: var(--space-lg);
    color: var(--color-text-primary);
}

.about__text p {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-lg);
    line-height: 1.8;
}

.about__features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
    margin-top: var(--space-xl);
}

.about__feature {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md);
    background: var(--gradient-glow);
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: var(--text-sm);
}

.about__feature-icon {
    width: 24px;
    height: 24px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.about__feature-icon svg {
    width: 14px;
    height: 14px;
    color: var(--color-text-inverse);
}

/* ==========================================================================
   Business Section - Tab Style
   ========================================================================== */
.business {
    background: var(--gradient-dark);
    color: var(--color-text-inverse);
}

.business__tabs {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    flex-wrap: wrap;
    margin-bottom: var(--space-2xl);
    padding: var(--space-sm);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.business__tab {
    padding: var(--space-md) var(--space-lg);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-medium-gray);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    white-space: nowrap;
}

.business__tab:hover {
    color: var(--color-text-inverse);
    background: rgba(255, 255, 255, 0.1);
}

.business__tab--active {
    background: var(--gradient-primary);
    color: var(--color-text-inverse);
    box-shadow: var(--shadow-glow);
}

.business__panels {
    position: relative;
    min-height: 400px;
}

.business__panel {
    display: none;
    animation: fadeIn 0.3s ease;
}

.business__panel--active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.business__panel-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.business__panel-text h3 {
    font-size: var(--text-2xl);
    font-weight: 700;
    margin-bottom: var(--space-lg);
    color: var(--color-text-inverse);
}

.business__panel-text p {
    color: var(--color-medium-gray);
    line-height: 1.8;
    margin-bottom: var(--space-lg);
}

.business__panel-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.business__panel-list li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-light-gray);
}

.business__panel-list li::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--color-accent);
    border-radius: var(--radius-full);
    flex-shrink: 0;
}

.business__panel-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 300px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.business__panel-icon {
    width: 120px;
    height: 120px;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-glow);
}

.business__panel-icon svg {
    width: 60px;
    height: 60px;
    color: var(--color-text-inverse);
}

/* ==========================================================================
   Contact Section
   ========================================================================== */
.contact__wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: start;
}

.contact__info h3 {
    font-size: var(--text-2xl);
    font-weight: 700;
    margin-bottom: var(--space-lg);
}

.contact__info p {
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--space-xl);
}

.contact__details {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.contact__detail {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--color-light);
    border-radius: var(--radius-md);
}

.contact__detail-icon {
    width: 48px;
    height: 48px;
    background: var(--gradient-glow);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact__detail-icon svg {
    width: 24px;
    height: 24px;
    color: var(--color-primary);
}

.contact__detail-text span {
    display: block;
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--space-xs);
}

.contact__detail-text strong {
    font-size: var(--text-base);
    color: var(--color-text-primary);
}

/* Contact Form */
.contact__form-wrapper {
    background: white;
    padding: var(--space-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.contact__form {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.form__group {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.form__label {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-text-primary);
}

.form__label--required::after {
    content: '*';
    color: #EF4444;
    margin-left: var(--space-xs);
}

.form__input,
.form__textarea {
    padding: var(--space-md);
    border: 2px solid var(--color-light-gray);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: var(--text-base);
    transition: all var(--transition-fast);
    background: var(--color-light);
}

.form__input:focus,
.form__textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

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

.form__submit {
    width: 100%;
    padding: var(--space-md) var(--space-xl);
    background: var(--gradient-primary);
    color: var(--color-text-inverse);
    font-size: var(--text-base);
    font-weight: 600;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
}

.form__submit:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.form__submit:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.form__message {
    padding: var(--space-md);
    border-radius: var(--radius-md);
    text-align: center;
    font-weight: 500;
}

.form__message--success {
    background: #D1FAE5;
    color: #065F46;
}

.form__message--error {
    background: #FEE2E2;
    color: #991B1B;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
    background: var(--color-dark);
    color: var(--color-text-inverse);
    padding: var(--space-3xl) 0 var(--space-xl);
}

.footer__inner {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--space-3xl);
    margin-bottom: var(--space-2xl);
}

.footer__brand {
    max-width: 300px;
}

.footer__logo {
    font-size: var(--text-xl);
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.footer__logo span {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer__description {
    color: var(--color-medium-gray);
    font-size: var(--text-sm);
    line-height: 1.8;
}

.footer__nav h4 {
    font-size: var(--text-base);
    font-weight: 600;
    margin-bottom: var(--space-lg);
    color: var(--color-text-inverse);
}

.footer__nav ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer__nav a {
    color: var(--color-medium-gray);
    font-size: var(--text-sm);
    transition: color var(--transition-fast);
}

.footer__nav a:hover {
    color: var(--color-accent);
}

.footer__bottom {
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-dark-muted);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.footer__copyright {
    color: var(--color-medium-gray);
    font-size: var(--text-sm);
}

.footer__social {
    display: flex;
    gap: var(--space-md);
}

.footer__social-link {
    width: 40px;
    height: 40px;
    background: var(--color-dark-light);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-medium-gray);
    transition: all var(--transition-fast);
}

.footer__social-link:hover {
    background: var(--gradient-primary);
    color: var(--color-text-inverse);
}

.footer__social-link svg {
    width: 20px;
    height: 20px;
}

/* ==========================================================================
   Responsive - Tablet (1024px)
   ========================================================================== */
@media (max-width: 1024px) {
    :root {
        --text-5xl: 2.5rem;
        --text-4xl: 2rem;
    }

    .hero__container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero__visual {
        height: 350px;
    }

    .hero__buttons {
        justify-content: center;
    }

    .about__content {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .about__image {
        order: -1;
    }

    .business__panel-content {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .contact__wrapper {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

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

    .footer__brand {
        grid-column: 1 / -1;
        max-width: none;
        text-align: center;
    }
}

/* ==========================================================================
   Responsive - Mobile (768px)
   ========================================================================== */
@media (max-width: 768px) {
    :root {
        --text-5xl: 2rem;
        --text-4xl: 1.75rem;
        --text-3xl: 1.5rem;
        --space-4xl: 4rem;
        --space-3xl: 3rem;
    }

    .nav__toggle {
        display: flex;
    }

    .nav__list {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        bottom: 0;
        flex-direction: column;
        background: white;
        padding: var(--space-xl);
        gap: var(--space-lg);
        transform: translateX(100%);
        transition: transform var(--transition-base);
    }

    .nav__list--open {
        transform: translateX(0);
    }

    .nav__link {
        font-size: var(--text-lg);
    }

    .hero__visual {
        height: 280px;
    }

    .hero__shape--1 {
        width: 200px;
        height: 200px;
    }

    .hero__shape--2 {
        width: 120px;
        height: 120px;
    }

    .hero__shape--3 {
        width: 100px;
        height: 100px;
    }

    .hero__dots {
        width: 150px;
        height: 150px;
    }

    .hero__icon {
        width: 80px;
        height: 80px;
    }

    .hero__icon svg {
        width: 40px;
        height: 40px;
    }

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

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

    .business__tab {
        text-align: center;
    }

    .footer__inner {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer__bottom {
        flex-direction: column;
        text-align: center;
    }
}

/* ==========================================================================
   Responsive - Small Mobile (480px)
   ========================================================================== */
@media (max-width: 480px) {
    :root {
        --text-5xl: 1.75rem;
        --text-4xl: 1.5rem;
        --space-4xl: 3rem;
        --space-3xl: 2rem;
    }

    .container {
        padding: 0 var(--space-md);
    }

    .hero__buttons {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        width: 100%;
    }

    .contact__form-wrapper {
        padding: var(--space-lg);
    }
}

/* ==========================================================================
   Animations
   ========================================================================== */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

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

.slide-in-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

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

.slide-in-right {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

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

/* ==========================================================================
   WordPress Admin Bar Fix
   ========================================================================== */
body.admin-bar .header {
    top: 32px;
}

@media (max-width: 782px) {
    body.admin-bar .header {
        top: 46px;
    }
}