/* ==========================================================================
   Variables & Reset
   ========================================================================== */
:root {
    --color-bg: #0a0a0f;
    --color-bg-secondary: #13131f;
    --color-text-main: #ffffff;
    --color-text-muted: #a1a1aa;
    --color-primary: #00f0ff;
    --color-primary-glow: rgba(0, 240, 255, 0.5);
    --color-secondary: #7000ff;
    --color-accent: #ff0055;

    --font-heading: 'Noto Sans JP', sans-serif;
    --font-body: 'Inter', 'Noto Sans JP', sans-serif;

    --container-width: 1200px;
    --header-height: 80px;
    --border-radius: 16px;

    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-backdrop: blur(12px);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--color-bg);
    color: var(--color-text-main);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: 0.3s;
}

ul {
    list-style: none;
}

/* ==========================================================================
   Utilities
   ========================================================================== */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 80px 0;
}

.text-center {
    text-align: center;
}

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

.background-glow {
    position: fixed;
    top: -20%;
    left: 20%;
    width: 60vw;
    height: 60vh;
    background: radial-gradient(circle, rgba(112, 0, 255, 0.15), transparent 70%);
    z-index: -1;
    pointer-events: none;
}

/* ==========================================================================
   Components
   ========================================================================== */
/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 32px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    border: none;
    transition: all 0.3s ease;
}

.btn--primary {
    background: linear-gradient(135deg, var(--color-secondary), #5a00d6);
    color: white;
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(112, 0, 255, 0.4);
}

.btn--secondary {
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--color-text-main);
    backdrop-filter: blur(4px);
}

.btn--secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--color-text-main);
}

.btn--glow {
    box-shadow: 0 0 15px var(--color-secondary);
}

.btn--full {
    width: 100%;
    text-align: center;
}

/* Card */
.card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: 32px;
    backdrop-filter: var(--glass-backdrop);
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.card:hover {
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-5px);
}

/* Hero Glass Card */
.glass-card {
    background: rgba(20, 20, 30, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(8px);
    border-radius: 12px;
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    color: white;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

/* List */
.list li {
    position: relative;
    padding-left: 24px;
    margin-bottom: 12px;
    color: var(--color-text-muted);
}

.list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-primary);
}

/* Section Title */
.section-title {
    font-size: 2.5rem;
    margin-bottom: 60px;
    font-weight: 700;
}

/* ==========================================================================
   Header
   ========================================================================== */
.header {
    height: var(--header-height);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
}

.header__container {
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(to right, white, var(--color-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav__list {
    display: flex;
    gap: 32px;
    align-items: center;
}

.nav__link {
    font-size: 0.95rem;
    color: var(--color-text-muted);
}

.nav__link:hover {
    color: white;
}

.nav__btn {
    padding: 8px 24px;
    font-size: 0.9rem;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 6px;
}

.mobile-menu-btn__line {
    width: 24px;
    height: 2px;
    background-color: white;
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
    padding-top: calc(var(--header-height) + 80px);
    padding-bottom: 100px;
    position: relative;
    overflow: hidden;
}

.hero__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero__title {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.hero__description {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    margin-bottom: 40px;
}

.hero__actions {
    display: flex;
    gap: 16px;
}

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

.hero__visual-circle {
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.2), rgba(112, 0, 255, 0.2));
    filter: blur(60px);
    position: absolute;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-20px);
    }
}

.hero__card-1 {
    position: absolute;
    top: 20%;
    left: 10%;
    animation: float 7s ease-in-out infinite 0.5s;
}

.hero__card-2 {
    position: absolute;
    bottom: 20%;
    right: 10%;
    animation: float 8s ease-in-out infinite 1s;
}

/* ==========================================================================
   Features
   ========================================================================== */
.features__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.feature-card {
    text-align: center;
    padding: 40px 32px;
}

.feature-card__icon-wrapper {
    width: 64px;
    height: 64px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 24px;
    font-size: 1.5rem;
}

.feature-card__title {
    margin-bottom: 16px;
    font-size: 1.25rem;
}

.feature-card__text {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

/* ==========================================================================
   Curriculum
   ========================================================================== */
.curriculum__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.curriculum-card .tag {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.1);
    font-size: 0.75rem;
    margin-bottom: 12px;
    color: var(--color-primary);
    border: 1px solid rgba(0, 240, 255, 0.2);
}

.tag--highlight {
    background: rgba(112, 0, 255, 0.2);
    color: #d0a3ff;
    border-color: rgba(112, 0, 255, 0.3);
}

.curriculum-card__header {
    margin-bottom: 24px;
}

/* ==========================================================================
   Pricing
   ========================================================================== */
.pricing__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    align-items: center;
}

.pricing-card {
    position: relative;
    display: flex;
    flex-direction: column;
}

.pricing-card--featured {
    border-color: var(--color-secondary);
    background: linear-gradient(135deg, rgba(112, 0, 255, 0.05), rgba(0, 0, 0, 0));
    transform: scale(1.05);
    z-index: 1;
}

.pricing-card--featured:hover {
    transform: scale(1.05) translateY(-5px);
}

.pricing-card__badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-secondary);
    padding: 4px 16px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.pricing-card__title {
    font-size: 1.5rem;
    margin-bottom: 16px;
    text-align: center;
}

.pricing-card__price {
    text-align: center;
    margin-bottom: 8px;
    color: white;
}

.pricing-card__price .currency {
    font-size: 1.5rem;
    font-weight: 600;
}

.pricing-card__price .amount {
    font-size: 3rem;
    font-weight: 700;
}

.pricing-card__price .period {
    color: var(--color-text-muted);
}

.pricing-card__desc {
    text-align: center;
    color: var(--color-text-muted);
    margin-bottom: 32px;
    font-size: 0.9rem;
}

.pricing-card__features {
    margin-bottom: 32px;
    flex-grow: 1;
}

/* ==========================================================================
   Contact Area
   ========================================================================== */
.contact__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact__content p {
    color: var(--color-text-muted);
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: white;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
    padding: 40px 0;
    border-top: 1px solid var(--glass-border);
    margin-top: 80px;
}

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

.footer__copyright {
    color: var(--color-text-muted);
    font-size: 0.8rem;
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 768px) {
    .nav {
        display: none;
        /* simple hide for prototype, would implement drawer */
    }

    .mobile-menu-btn {
        display: flex;
    }

    .hero__title {
        font-size: 2.5rem;
    }

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

    .hero__actions {
        justify-content: center;
    }

    .pricing-card--featured {
        transform: scale(1);
    }

    .pricing-card--featured:hover {
        transform: translateY(-5px);
    }

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

/* ==========================================================================
   Flow
   ========================================================================== */
.flow__steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 32px;
    position: relative;
    counter-reset: flow-counter;
}

.flow__step {
    padding: 24px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    text-align: center;
    position: relative;
    backdrop-filter: var(--glass-backdrop);
    transition: transform 0.3s ease;
}

.flow__step:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 255, 255, 0.3);
}

.flow__step-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
    opacity: 0.5;
    margin-bottom: 16px;
    font-family: var(--font-heading);
    line-height: 1;
}

.flow__step-title {
    font-size: 1.25rem;
    margin-bottom: 12px;
    color: white;
}

/* ==========================================================================
   Company
   ========================================================================== */
.company-card {
    max-width: 800px;
    margin: 0 auto;
}

.company-info {
    display: grid;
    gap: 24px;
}

.company-info__row {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 24px;
}

.company-info__row:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.company-info dt {
    font-weight: 700;
    color: var(--color-primary);
}

.company-info dd {
    color: var(--color-text-muted);
}

.service-list {
    list-style: disc;
    padding-left: 20px;
}

.service-list li {
    margin-bottom: 4px;
}

@media (max-width: 768px) {
    .company-info__row {
        grid-template-columns: 1fr;
        gap: 8px;
    }
}


/* ==========================================================================
   New Course Cards
   ========================================================================== */
.course-card {
    position: relative;
    overflow: hidden;
    padding: 32px 24px;
    height: 100%;
}

.course-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 6px;
    background: var(--color-primary);
}

.course-card--blue::before {
    background: #4dabf7;
    box-shadow: 0 0 10px #4dabf7;
}

.course-card--green::before {
    background: #69db7c;
    box-shadow: 0 0 10px #69db7c;
}

.course-card--purple::before {
    background: #da77f2;
    box-shadow: 0 0 10px #da77f2;
}

.course-card__header {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 24px;
}

.course-card__icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    flex-shrink: 0;
}

.course-card--blue .course-card__icon {
    background: rgba(77, 171, 247, 0.1);
    color: #4dabf7;
}

.course-card--green .course-card__icon {
    background: rgba(105, 219, 124, 0.1);
    color: #69db7c;
}

.course-card--purple .course-card__icon {
    background: rgba(218, 119, 242, 0.1);
    color: #da77f2;
}

.course-card__label {
    display: block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    margin-bottom: 4px;
    color: var(--color-text-main);
}

.course-card__title {
    font-size: 1.4rem;
    line-height: 1.3;
    color: var(--color-text-main);
}

.course-card__desc {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}


/* ==========================================================================
   Single Pricing
   ========================================================================== */
.pricing-single {
    max-width: 800px;
    margin: 0 auto;
}

.pricing-card--single {
    text-align: center;
    padding: 60px 40px;
}

.pricing-card__contract {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 40px;
    color: var(--color-primary);
}

.pricing-features-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    text-align: left;
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.btn--wide {
    padding: 16px 64px;
    font-size: 1.2rem;
}

@media (max-width: 600px) {
    .pricing-features-grid {
        grid-template-columns: 1fr;
    }
}


/* ==========================================================================
   Company Images Updates
   ========================================================================== */
.company-card {
    max-width: 1000px;
    /* Increased width */
    margin: 0 auto;
}

.company-content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
    align-items: start;
}

.company-info-wrapper {
    width: 100%;
}

.company-image-wrapper {
    height: 100%;
    width: 100%;
    max-width: none;
}

.company-image {
    width: 100%;
    height: auto;
    object-fit: cover;
    border-radius: 8px;
    border: 1px solid var(--glass-border);
    border: 1px solid var(--glass-border);
}

.client-logos-section {
    border-top: 1px solid var(--glass-border);
    padding-top: 32px;
    text-align: center;
}

.client-logos-title {
    font-size: 1.1rem;
    margin-bottom: 24px;
    color: var(--color-text-muted);
}

.client-logos-wrapper {
    background: rgba(255, 255, 255, 0.9);
    /* Light bg for logos to be visible if they are dark */
    padding: 24px;
    border-radius: 8px;
}

.client-logos-img {
    max-width: 100%;
    height: auto;
}

@media (max-width: 768px) {
    .company-content-grid {
        grid-template-columns: 1fr;
    }

    .company-image-wrapper {
        order: -1;
    }
}

/* Added for pricing per user label */
.pricing-card__per-user {
    text-align: center;
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: 4px;
    font-weight: 500;
}


/* ==========================================================================
   Target Audience and Effects
   ========================================================================== */
.target-effects__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}

.target-effects-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 40px;
    color: var(--color-text-main);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    backdrop-filter: var(--glass-backdrop);
    border-radius: var(--border-radius);
}

.target-effects-card__header {
    border-bottom: 1px solid var(--glass-border);
    padding-bottom: 12px;
    margin-bottom: 32px;
    display: flex;
    align-items: center;
}

.target-effects-card__header::before {
    content: "●";
    color: var(--color-secondary);
    margin-right: 12px;
    font-size: 1.2rem;
}

.target-effects-card__title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-main);
    margin: 0;
}

/* Target Audience List */
.target-audience-list {}

.target-audience-item {
    margin-bottom: 24px;
    position: relative;
    padding-left: 20px;
}

.target-audience-item:last-child {
    margin-bottom: 0;
}

.target-audience-item::before {
    content: "▶";
    position: absolute;
    left: 0;
    top: 4px;
    color: var(--color-primary);
    font-size: 0.8rem;
}

.target-audience-item__title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.target-audience-item__desc {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Effects List */
.effects-list {}

.effects-item {
    margin-bottom: 24px;
    position: relative;
    padding-left: 20px;
    color: var(--color-text-main);
    font-size: 1rem;
}

.effects-item:last-child {
    margin-bottom: 0;
}

.effects-item::before {
    content: "▶";
    position: absolute;
    left: 0;
    top: 4px;
    color: var(--color-secondary);
    font-size: 0.8rem;
}

.highlight-text {
    font-weight: 700;
    color: var(--color-primary);
    background: rgba(0, 240, 255, 0.1);
    padding: 2px 6px;
    border-radius: 4px;
}

@media (max-width: 768px) {
    .target-effects__grid {
        grid-template-columns: 1fr;
    }
}

/* ==========================================================================
   Extended Contact Form Styles
   ========================================================================== */
.form-note {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-top: 16px;
}

.required {
    color: var(--color-accent);
    font-weight: bold;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}

.form-group label .required {
    margin-left: 4px;
}

/* Error styles */
.input--error {
    border-color: var(--color-accent) !important;
    background: rgba(255, 0, 85, 0.1) !important;
}

.field-error {
    display: block;
    color: var(--color-accent);
    font-size: 0.85rem;
    margin-top: 6px;
}

/* Form message styles */
.form-message {
    padding: 0;
    margin-bottom: 16px;
    border-radius: 8px;
    text-align: center;
    min-height: 0;
    transition: all 0.3s ease;
}

.form-message--success {
    padding: 16px;
    background: rgba(0, 240, 255, 0.1);
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
}

.form-message--error {
    padding: 16px;
    background: rgba(255, 0, 85, 0.1);
    border: 1px solid var(--color-accent);
    color: var(--color-accent);
}

/* Button disabled state */
.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

/* Mobile nav open state */
@media (max-width: 768px) {
    .nav--open {
        display: block !important;
        position: absolute;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: rgba(10, 10, 15, 0.98);
        backdrop-filter: blur(10px);
        padding: 24px;
        border-bottom: 1px solid var(--glass-border);
    }

    .nav--open .nav__list {
        flex-direction: column;
        gap: 16px;
    }

    .mobile-menu-btn--active .mobile-menu-btn__line:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }

    .mobile-menu-btn--active .mobile-menu-btn__line:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-btn--active .mobile-menu-btn__line:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }
}