/* ================================================
   ERP Buddy - Style
   Mobile-First, Dark Theme
   v2.0 - Finalisiert Februar 2026
   ================================================ */

/* Google Font - Electrolize (Digital, LED-Style) */
@import url('https://fonts.googleapis.com/css2?family=Electrolize&display=swap');

/* CSS Variables */
:root {
    /* Colors */
    --color-bg: #0a0a0f;
    --color-bg-light: #12121a;
    --color-bg-card: rgba(26, 26, 36, 0.8);
    --color-primary: #2b7eb8;
    --color-cyan: #5bcbde;
    --color-green: #5cb85c;
    --color-purple: #a855f7;
    --color-text: #ffffff;
    --color-text-muted: #a0a0b0;
    --color-border: rgba(255, 255, 255, 0.1);

    /* Shadows & Glows */
    --glow-primary: 0 0 30px rgba(43, 126, 184, 0.4);
    --glow-cyan: 0 0 30px rgba(91, 203, 222, 0.4);
    --glow-green: 0 0 30px rgba(92, 184, 92, 0.4);
    --glow-purple: 0 0 30px rgba(168, 85, 247, 0.4);
    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);

    /* Typography */
    --font-family: 'Electrolize', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-base: 16px;
    --font-size-sm: 0.875rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;
    --font-size-3xl: 2.5rem;

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

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-full: 50%;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    min-height: 100vh;
}

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

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

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

ul {
    list-style: none;
}

/* ================================================
   Header
   ================================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
}

.header__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header__logo {
    display: flex;
    align-items: center;
}

.header__logo-img {
    height: 55px;
    width: auto;
}

/* Mobile Menu Button */
.header__menu-btn {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
}

.header__menu-icon,
.header__menu-icon::before,
.header__menu-icon::after {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: var(--transition-normal);
}

.header__menu-icon {
    position: relative;
}

.header__menu-icon::before,
.header__menu-icon::after {
    content: '';
    position: absolute;
    left: 0;
}

.header__menu-icon::before {
    top: -8px;
}

.header__menu-icon::after {
    top: 8px;
}

/* Menu open state */
.header__menu-btn[aria-expanded="true"] .header__menu-icon {
    background: transparent;
}

.header__menu-btn[aria-expanded="true"] .header__menu-icon::before {
    transform: rotate(45deg);
    top: 0;
}

.header__menu-btn[aria-expanded="true"] .header__menu-icon::after {
    transform: rotate(-45deg);
    top: 0;
}

/* Navigation */
.header__nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background: var(--color-bg-light);
    padding: 80px var(--spacing-lg) var(--spacing-lg);
    transition: right var(--transition-normal);
    border-left: 1px solid var(--color-border);
    overflow-y: auto;
}

.header__nav.is-open {
    right: 0;
}

.header__nav-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.header__nav-item {
    position: relative;
}

.header__nav-link {
    color: var(--color-text);
    font-size: var(--font-size-lg);
    padding: var(--spacing-xs) 0;
    display: block;
    border-bottom: 1px solid var(--color-border);
}

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

/* Dropdown Menu */
.header__dropdown {
    position: relative;
}

.header__dropdown-btn {
    color: var(--color-text);
    font-size: var(--font-size-lg);
    padding: var(--spacing-xs) 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--color-border);
    cursor: pointer;
    font-family: inherit;
}

.header__dropdown-btn:hover {
    color: var(--color-cyan);
}

.header__dropdown-icon {
    width: 12px;
    height: 12px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg);
    transition: transform var(--transition-fast);
    margin-left: var(--spacing-sm);
}

.header__dropdown.is-open .header__dropdown-icon {
    transform: rotate(-135deg);
}

.header__dropdown-menu {
    display: none;
    padding-left: var(--spacing-md);
    margin-top: var(--spacing-sm);
}

.header__dropdown.is-open .header__dropdown-menu {
    display: block;
}

.header__dropdown-link {
    display: block;
    color: var(--color-text-muted);
    font-size: var(--font-size-base);
    padding: var(--spacing-xs) 0;
}

.header__dropdown-link:hover {
    color: var(--color-cyan);
}

/* ================================================
   Buttons
   ================================================ */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-base);
    font-weight: 600;
    text-align: center;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    font-family: inherit;
}

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

.btn--primary:hover {
    background: #3a8dc7;
    box-shadow: 0 0 30px rgba(43, 126, 184, 0.5);
    color: var(--color-text);
    transform: translateY(-2px);
}

/* Gradient Button (Cyan -> Green) */
.btn--gradient {
    background: linear-gradient(135deg, var(--color-cyan) 0%, var(--color-green) 100%);
    color: var(--color-bg);
    font-weight: 600;
    box-shadow: 0 0 20px rgba(91, 203, 222, 0.3), 0 0 40px rgba(92, 184, 92, 0.2);
    position: relative;
    overflow: hidden;
}

.btn--gradient::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s ease;
}

.btn--gradient:hover::before {
    left: 100%;
}

.btn--gradient:hover {
    box-shadow: 0 0 30px rgba(91, 203, 222, 0.5), 0 0 60px rgba(92, 184, 92, 0.3);
    color: var(--color-bg);
    transform: translateY(-2px);
}

.btn--secondary {
    background: transparent;
    color: var(--color-cyan);
    border: 1px solid var(--color-cyan);
}

.btn--secondary:hover {
    background: var(--color-cyan);
    color: var(--color-bg);
}

.btn--full {
    width: 100%;
}

/* ================================================
   Sections
   ================================================ */
.section {
    padding: var(--spacing-2xl) var(--spacing-md);
}

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

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

.section__container {
    max-width: 1200px;
    margin: 0 auto;
}

.section__title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    text-align: center;
    color: var(--color-text);
}

.section__subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-muted);
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section__cta-text {
    text-align: center;
    font-size: var(--font-size-lg);
    color: var(--color-cyan);
    margin-top: var(--spacing-xl);
    font-weight: 600;
}

/* CTA Section */
.section--cta {
    background: linear-gradient(135deg, var(--color-bg) 0%, rgba(43, 126, 184, 0.1) 50%, rgba(92, 184, 92, 0.1) 100%);
    text-align: center;
    padding: var(--spacing-2xl) var(--spacing-md);
}

.section__title--gradient {
    font-size: var(--font-size-3xl);
    line-height: 1.2;
}

.section__title--gradient span {
    background: linear-gradient(135deg, var(--color-cyan) 0%, var(--color-green) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section__text {
    max-width: 800px;
    margin: 0 auto var(--spacing-md);
    color: var(--color-text-muted);
    line-height: 1.8;
}

.section__highlight {
    max-width: 600px;
    margin: 0 auto;
    color: var(--color-text);
    font-style: italic;
    padding: var(--spacing-md);
    border-left: 3px solid var(--color-cyan);
    background: rgba(91, 203, 222, 0.05);
    text-align: left;
}

.lead {
    font-size: var(--font-size-lg);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xl);
    max-width: 800px;
}

/* ================================================
   Hero Section
   ================================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: calc(80px + var(--spacing-xl)) var(--spacing-md) var(--spacing-xl);
    background: linear-gradient(135deg, var(--color-bg) 0%, rgba(43, 126, 184, 0.1) 50%, rgba(92, 184, 92, 0.1) 100%);
}

.hero--small {
    min-height: auto;
    padding-top: calc(80px + var(--spacing-xl));
}

.hero__container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xl);
    text-align: center;
    width: 100%;
}

.hero__content {
    max-width: 700px;
}

.hero__title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--color-text) 0%, var(--color-cyan) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-lg);
}

.hero__location {
    font-size: var(--font-size-sm);
    color: var(--color-cyan);
    margin-bottom: var(--spacing-lg);
}

.hero__actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    justify-content: center;
}

.hero__image {
    position: relative;
}

.hero__profile-img {
    width: 200px;
    height: 200px;
    border-radius: var(--radius-full);
    object-fit: cover;
    filter: grayscale(100%);
    border: 3px solid transparent;
    background: linear-gradient(var(--color-bg), var(--color-bg)) padding-box,
                linear-gradient(135deg, var(--color-cyan), var(--color-primary), var(--color-green)) border-box;
    box-shadow: 0 0 40px rgba(91, 203, 222, 0.4),
                0 0 80px rgba(43, 126, 184, 0.2),
                0 0 120px rgba(92, 184, 92, 0.1);
    animation: pulse-glow 3s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 0 40px rgba(91, 203, 222, 0.4),
                    0 0 80px rgba(43, 126, 184, 0.2),
                    0 0 120px rgba(92, 184, 92, 0.1);
    }
    50% {
        box-shadow: 0 0 60px rgba(91, 203, 222, 0.5),
                    0 0 100px rgba(43, 126, 184, 0.3),
                    0 0 140px rgba(92, 184, 92, 0.15);
    }
}

/* ================================================
   Cards
   ================================================ */
.cards {
    display: grid;
    gap: var(--spacing-lg);
}

.cards--two {
    grid-template-columns: 1fr;
}

.cards--three {
    grid-template-columns: 1fr;
}

.cards--four {
    grid-template-columns: 1fr;
}

.cards--five {
    grid-template-columns: 1fr;
}

.card {
    background: var(--color-bg-card);
    backdrop-filter: blur(10px);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    transition: all var(--transition-normal);
    position: relative;
}

.card:hover {
    transform: translateY(-4px);
    border-color: transparent;
    background: linear-gradient(var(--color-bg-card), var(--color-bg-card)) padding-box,
                linear-gradient(135deg, var(--color-cyan), var(--color-green)) border-box;
    box-shadow: var(--shadow-card);
}

.card--link {
    display: block;
    text-decoration: none;
}

.card--link:hover {
    color: inherit;
}

.card__icon {
    width: 48px;
    height: 48px;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

.card__icon--cyan {
    color: var(--color-cyan);
}

.card__icon--green {
    color: var(--color-green);
}

.card__icon svg {
    width: 100%;
    height: 100%;
}

.card__title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.card__tagline {
    color: var(--color-cyan);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-sm);
}

.card__text {
    color: var(--color-text-muted);
    line-height: 1.7;
}

.card__cta {
    display: inline-block;
    margin-top: var(--spacing-sm);
    color: var(--color-cyan);
    font-size: var(--font-size-sm);
}

.card__badge {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-sm);
    font-weight: 600;
    border-radius: var(--radius-sm);
}

.card__badge--live {
    background: var(--color-green);
    color: var(--color-bg);
}

.card__badge--dev {
    background: var(--color-primary);
    color: var(--color-text);
}

.card__badge--beta {
    background: var(--color-cyan);
    color: var(--color-bg);
}

/* Tags */
.card__tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-md);
}

.tag {
    padding: 4px 10px;
    background: rgba(91, 203, 222, 0.1);
    border: 1px solid var(--color-cyan);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    color: var(--color-cyan);
}

/* ================================================
   Steps / Process
   ================================================ */
.steps {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.step {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.step__no {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-cyan), var(--color-green));
    color: var(--color-bg);
    font-size: var(--font-size-xl);
    font-weight: 700;
    border-radius: var(--radius-full);
}

.step__body h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

.step__body p {
    color: var(--color-text-muted);
    font-size: var(--font-size-base);
}

/* ================================================
   CTA Box
   ================================================ */
.cta-box {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    align-items: center;
    text-align: center;
}

.cta-box__text h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

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

/* ================================================
   Contact
   ================================================ */
.contact__quick {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-md);
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

.contact__quick span {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

.contact {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    max-width: 600px;
    margin: 0 auto;
}

.contact__note {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    text-align: center;
    margin-bottom: var(--spacing-sm);
}

.contact__form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact__field {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.contact__label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.contact__input,
.contact__textarea {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
    color: var(--color-text);
    font-size: var(--font-size-base);
    font-family: inherit;
    transition: border-color var(--transition-fast);
}

.contact__input:focus,
.contact__textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

.contact__textarea {
    resize: vertical;
    min-height: 120px;
}

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

/* Contact Form - Topic Options */
.contact__options {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
}

.contact__option {
    cursor: pointer;
    min-width: 0;
}

.contact__option input {
    display: none;
}

.contact__option-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-md);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    text-align: center;
    min-height: 100px;
    height: 100%;
    width: 100%;
    box-sizing: border-box;
}

.contact__option-box svg {
    width: 24px;
    height: 24px;
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

.contact__option-box span {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.contact__option input:checked + .contact__option-box {
    border-color: var(--color-cyan);
    background: rgba(91, 203, 222, 0.1);
}

.contact__option input:checked + .contact__option-box svg {
    color: var(--color-cyan);
}

.contact__option input:checked + .contact__option-box span {
    color: var(--color-text);
}

.contact__option-box:hover {
    border-color: var(--color-primary);
}

/* 4-column layout for topic options */
.contact__options--four {
    grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 600px) {
    .contact__options--four {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Honeypot (hidden from users) */
.contact__honeypot {
    position: absolute;
    left: -9999px;
    opacity: 0;
    pointer-events: none;
    height: 0;
}

/* Captcha */
.contact__captcha {
    max-width: 300px;
}

.contact__captcha #captcha-question {
    color: var(--color-cyan);
    font-weight: 600;
}

.contact__input--small {
    max-width: 150px;
}

/* Privacy Checkbox */
.contact__privacy {
    margin-top: var(--spacing-sm);
}

.contact__checkbox {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    cursor: pointer;
}

.contact__checkbox input[type="checkbox"] {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    margin-top: 2px;
    accent-color: var(--color-cyan);
    cursor: pointer;
}

.contact__checkbox-text {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    line-height: 1.5;
    text-align: left;
}

.contact__checkbox-text a {
    color: var(--color-cyan);
    text-decoration: underline;
}

.contact__checkbox-text a:hover {
    color: var(--color-green);
}

/* Form Messages */
.contact__message {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-md);
    text-align: center;
    font-size: var(--font-size-sm);
}

.contact__message--success {
    background: rgba(92, 184, 92, 0.1);
    border: 1px solid var(--color-green);
    color: var(--color-green);
}

.contact__message--error {
    background: rgba(220, 53, 69, 0.1);
    border: 1px solid #dc3545;
    color: #dc3545;
}

/* Contact Options (Three Boxes) */
.contact-options {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.contact-options--three {
    grid-template-columns: repeat(3, 1fr);
}

.contact-option {
    background: var(--color-bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    border: 1px solid var(--color-border);
}

.contact-option__icon {
    width: 48px;
    height: 48px;
    max-width: 48px;
    max-height: 48px;
    margin: 0 auto var(--spacing-md);
    color: var(--color-cyan);
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-option__icon svg {
    width: 100%;
    height: 100%;
    max-width: 48px;
    max-height: 48px;
    display: block;
}

.contact-option h3 {
    font-size: var(--font-size-lg);
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

.contact-option .btn {
    margin-bottom: var(--spacing-sm);
}

.contact-option__hint {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin: 0;
}

/* Contact Form Wrapper */
.contact-form-wrapper {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-border);
}

.contact-form__title {
    font-size: var(--font-size-lg);
    color: var(--color-text);
    text-align: center;
    margin-bottom: var(--spacing-sm);
}

/* 5-column layout for topic options */
.contact__options--five {
    grid-template-columns: repeat(5, 1fr);
}

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

    .contact-options--three {
        grid-template-columns: 1fr;
    }

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

@media (min-width: 600px) and (max-width: 768px) {
    .contact-options--three {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 769px) {
    .contact-options--three {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ================================================
   Footer
   ================================================ */
.footer {
    background: var(--color-bg-light);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-xl) var(--spacing-md);
}

.footer__container {
    max-width: 1200px;
    margin: 0 auto;
}

/* Breadcrumb */
.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    align-items: center;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xl);
}

.breadcrumb a {
    color: var(--color-text-muted);
    padding: 6px 8px;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255,255,255,0.08);
    background: rgba(255,255,255,0.03);
}

.breadcrumb a:hover {
    border-color: rgba(91, 203, 222, 0.25);
    background: rgba(91, 203, 222, 0.06);
    color: var(--color-cyan);
}

.breadcrumb__sep {
    opacity: 0.55;
    margin: 0 4px;
}

.breadcrumb__current {
    color: var(--color-text);
    padding: 6px 8px;
}

/* Footer Grid */
.footer__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

/* Brand Section */
.footer__brand {
    margin-bottom: 0;
}

.footer__title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.footer__tagline {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-md);
}

.footer__address {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    font-style: normal;
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
}

.footer__contact-line {
    margin-bottom: var(--spacing-sm);
}

.footer__contact-line a {
    color: var(--color-cyan);
    font-size: var(--font-size-sm);
}

.footer__linkedin {
    margin-top: var(--spacing-sm);
}

.footer__linkedin a {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.footer__linkedin a:hover {
    color: var(--color-cyan);
}

/* Links Sections */
.footer__links-title {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text-muted);
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-md);
}

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

.footer__links li::before {
    content: '-> ';
    color: var(--color-cyan);
}

.footer__links a {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

.footer__links a:hover {
    color: var(--color-cyan);
}

/* Footer Bottom */
.footer__bottom {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

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

/* ================================================
   Legal Pages
   ================================================ */
.legal {
    max-width: 800px;
    margin: 0 auto;
    padding-top: calc(80px + var(--spacing-xl));
}

.legal h1 {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-xl);
}

.legal h2 {
    font-size: var(--font-size-xl);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    color: var(--color-cyan);
}

.legal h3 {
    font-size: var(--font-size-lg);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

.legal p, .legal li {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-sm);
    line-height: 1.8;
}

.legal ul {
    margin-left: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.legal li {
    list-style: disc;
}

.legal a {
    color: var(--color-primary);
}

.legal a:hover {
    color: var(--color-cyan);
}

.legal__notice {
    background: var(--color-bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border-left: 3px solid var(--color-cyan);
    margin-bottom: var(--spacing-xl);
}

/* ================================================
   Service / Module Cards
   ================================================ */
.service-card {
    background: var(--color-bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    transition: all var(--transition-normal);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    transform: translateY(-4px);
    border-color: transparent;
    background: linear-gradient(var(--color-bg-card), var(--color-bg-card)) padding-box,
                linear-gradient(135deg, var(--color-cyan), var(--color-green)) border-box;
}

.service-card__icon {
    width: 64px;
    height: 64px;
    margin-bottom: var(--spacing-lg);
    color: var(--color-cyan);
}

.service-card__icon svg {
    width: 100%;
    height: 100%;
}

.service-card__title {
    font-size: var(--font-size-xl);
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.service-card__tagline {
    color: var(--color-cyan);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-md);
}

.service-card__text {
    color: var(--color-text-muted);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
    flex-grow: 1;
}

.service-card__features {
    list-style: none;
    margin-bottom: var(--spacing-lg);
}

.service-card__features li {
    color: var(--color-text-muted);
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-md);
    position: relative;
    font-size: var(--font-size-sm);
}

.service-card__features li::before {
    content: '->';
    position: absolute;
    left: 0;
    color: var(--color-green);
}

.service-card__cta {
    margin-top: auto;
}

/* Module Stats */
.module {
    background: var(--color-bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.module__title {
    font-size: var(--font-size-lg);
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.module__subtitle {
    color: var(--color-cyan);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-md);
}

.module__text {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.module__stats {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

.stat {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--font-size-sm);
}

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

.stat__value {
    color: var(--color-green);
    font-weight: 600;
}

/* Reference Summary */
.reference__summary {
    background: var(--color-bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border-left: 3px solid var(--color-green);
}

.reference__summary-title {
    font-size: var(--font-size-lg);
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

.reference__summary-list {
    color: var(--color-text-muted);
    line-height: 1.8;
}

.reference__summary-list li {
    margin-bottom: var(--spacing-xs);
    padding-left: var(--spacing-md);
    position: relative;
}

.reference__summary-list li::before {
    content: '+';
    position: absolute;
    left: 0;
    color: var(--color-green);
    font-weight: 600;
}

/* Tool Cards */
.tool-card {
    background: var(--color-bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    margin-bottom: var(--spacing-lg);
}

.tool-card__header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.tool-card__badge {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--color-green);
    color: var(--color-bg);
    font-size: var(--font-size-sm);
    font-weight: 600;
    border-radius: var(--radius-sm);
}

.tool-card__badge--dev {
    background: var(--color-primary);
    color: var(--color-text);
}

.tool-card__badge--planned {
    background: var(--color-purple);
    color: var(--color-text);
}

.tool-card__title {
    font-size: var(--font-size-lg);
    color: var(--color-text);
}

.tool-card__text {
    color: var(--color-text-muted);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.tool-card__features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.feature-tag {
    padding: 4px 10px;
    background: rgba(92, 184, 92, 0.1);
    border: 1px solid var(--color-green);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    color: var(--color-green);
}

/* CTA Card */
.cta-card {
    background: linear-gradient(135deg, var(--color-bg) 0%, rgba(91, 203, 222, 0.1) 100%);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-cyan);
    text-align: center;
    margin-top: var(--spacing-2xl);
}

.cta-card__title {
    font-size: var(--font-size-xl);
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.cta-card__text {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-lg);
}

/* Note Box */
.note {
    background: var(--color-bg-card);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--color-cyan);
    margin-top: var(--spacing-xl);
}

.note strong {
    color: var(--color-cyan);
}

.note p {
    color: var(--color-text-muted);
    margin: 0;
}

/* ================================================
   Grid Layouts
   ================================================ */
.grid {
    display: grid;
    gap: var(--spacing-lg);
}

.grid--2 {
    grid-template-columns: 1fr;
}

.grid--3 {
    grid-template-columns: 1fr;
}

/* Panel (for grids) */
.panel {
    background: var(--color-bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.panel h3 {
    font-size: var(--font-size-lg);
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.panel p {
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* ================================================
   Training Card
   ================================================ */
.training-card {
    background: var(--color-bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    height: 100%;
}

.training-card__badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--color-cyan);
    color: var(--color-bg);
    font-size: var(--font-size-sm);
    font-weight: 600;
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-md);
}

.training-card__title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.training-card__text {
    color: var(--color-text-muted);
    line-height: 1.7;
}

.training-list {
    list-style: none;
}

.training-list li {
    color: var(--color-text-muted);
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-md);
    position: relative;
    font-size: var(--font-size-sm);
}

.training-list li::before {
    content: '->';
    position: absolute;
    left: 0;
    color: var(--color-cyan);
}

/* ================================================
   Responsive - Tablet (768px)
   ================================================ */
@media (min-width: 768px) {
    :root {
        --font-size-2xl: 2.5rem;
        --font-size-3xl: 3rem;
    }

    .hero__title {
        font-size: var(--font-size-3xl);
    }

    .hero__profile-img {
        width: 250px;
        height: 250px;
    }

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

    .cards--three {
        grid-template-columns: repeat(3, 1fr);
    }

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

    .cards--five {
        grid-template-columns: repeat(3, 1fr);
    }

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

    .grid--3 {
        grid-template-columns: repeat(3, 1fr);
    }

    .steps {
        flex-direction: row;
    }

    .step {
        flex: 1;
        flex-direction: column;
        text-align: center;
    }

    .step__no {
        margin: 0 auto var(--spacing-md);
    }

    .cta-box {
        flex-direction: row;
        text-align: left;
        justify-content: space-between;
    }

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

    .contact__quick {
        flex-direction: row;
        justify-content: center;
    }

    .footer__grid {
        grid-template-columns: 2fr 1fr 1fr;
    }

    .footer__bottom {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}

/* ================================================
   Responsive - Desktop (1024px)
   ================================================ */
@media (min-width: 1024px) {
    .header__menu-btn {
        display: none;
    }

    .header__nav {
        position: static;
        width: auto;
        max-width: none;
        height: auto;
        background: transparent;
        padding: 0;
        border: none;
        overflow: visible;
    }

    .header__nav-list {
        flex-direction: row;
        gap: var(--spacing-sm);
        align-items: center;
    }

    .header__nav-link {
        font-size: var(--font-size-base);
        padding: var(--spacing-xs) var(--spacing-sm);
        border-bottom: none;
        border-radius: var(--radius-sm);
        border: 1px solid transparent;
        line-height: 1.5;
        display: flex;
        align-items: center;
    }

    .header__nav-link:hover {
        background: linear-gradient(var(--color-bg), var(--color-bg)) padding-box,
                    linear-gradient(135deg, var(--color-cyan), var(--color-green)) border-box;
        border-color: transparent;
    }

    .header__nav-link.is-active {
        background: linear-gradient(var(--color-bg), var(--color-bg)) padding-box,
                    linear-gradient(135deg, var(--color-cyan), var(--color-green)) border-box;
        border-color: transparent;
    }

    /* Desktop Dropdown */
    .header__dropdown-btn {
        font-size: var(--font-size-base);
        padding: var(--spacing-xs) var(--spacing-sm);
        border: 1px solid transparent;
        border-bottom: 1px solid transparent;
        border-radius: var(--radius-sm);
        line-height: 1.5;
    }

    .header__dropdown-btn:hover {
        background: linear-gradient(var(--color-bg), var(--color-bg)) padding-box,
                    linear-gradient(135deg, var(--color-cyan), var(--color-green)) border-box;
        border-color: transparent;
    }

    .header__dropdown-icon {
        width: 8px;
        height: 8px;
        margin-left: 6px;
    }

    .header__dropdown-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        min-width: 180px;
        background: var(--color-bg-light);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-md);
        padding: var(--spacing-sm);
        padding-top: calc(var(--spacing-sm) + 8px);
        margin-top: 0;
        z-index: 100;
        box-shadow: var(--shadow-card);
    }

    /* Invisible bridge to keep hover active between button and menu */
    .header__dropdown-menu::before {
        content: '';
        position: absolute;
        top: -8px;
        left: 0;
        right: 0;
        height: 8px;
    }

    .header__dropdown:hover .header__dropdown-menu,
    .header__dropdown.is-open .header__dropdown-menu {
        display: block;
    }

    .header__dropdown-link {
        padding: var(--spacing-xs) var(--spacing-sm);
        border-radius: var(--radius-sm);
    }

    .header__dropdown-link:hover {
        background: rgba(91, 203, 222, 0.1);
    }

    .hero__container {
        flex-direction: row;
        text-align: left;
    }

    .hero__content {
        flex: 1;
    }

    .hero__actions {
        justify-content: flex-start;
    }

    .hero__image {
        flex: 0 0 auto;
    }

    .hero__profile-img {
        width: 300px;
        height: 300px;
    }

    .cards--four {
        grid-template-columns: repeat(4, 1fr);
    }

    .cards--five {
        grid-template-columns: repeat(5, 1fr);
    }

    .section__title {
        font-size: var(--font-size-3xl);
    }
}

/* ================================================
   Utilities
   ================================================ */
.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;
}

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

.mb-0 {
    margin-bottom: 0;
}

.mt-xl {
    margin-top: var(--spacing-xl);
}

/* ================================================
   Pricing Cards
   ================================================ */
.pricing-card {
    text-align: center;
    position: relative;
}

.pricing-card__badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--color-cyan), var(--color-green));
    color: var(--color-bg);
    padding: 6px 16px;
    font-size: var(--font-size-sm);
    font-weight: 600;
    border-radius: var(--radius-sm);
    letter-spacing: 0.05em;
}

.pricing-card--featured {
    border-color: var(--color-purple);
    transform: scale(1.02);
}

.pricing-card--featured:hover {
    background: linear-gradient(var(--color-bg-card), var(--color-bg-card)) padding-box,
                linear-gradient(135deg, var(--color-purple), var(--color-cyan)) border-box;
}

.pricing-card__price {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-text);
    margin: var(--spacing-md) 0 var(--spacing-xs);
    background: linear-gradient(135deg, var(--color-cyan) 0%, var(--color-green) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.pricing-card__term {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-lg);
}

.pricing-card__features {
    list-style: none;
    text-align: left;
    margin-bottom: var(--spacing-lg);
}

.pricing-card__features li {
    color: var(--color-text-muted);
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-md);
    position: relative;
    font-size: var(--font-size-sm);
}

.pricing-card__features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-green);
    font-weight: 600;
}

.pricing-card__note {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-lg);
    line-height: 1.5;
}

/* Single Pricing Card (centered) */
.pricing-single {
    display: flex;
    justify-content: center;
}

.pricing-card--large {
    max-width: 480px;
    padding: var(--spacing-xl) var(--spacing-2xl);
    background: linear-gradient(var(--color-bg-card), var(--color-bg-card)) padding-box,
                linear-gradient(135deg, var(--color-cyan), var(--color-green)) border-box;
    border: 2px solid transparent;
    box-shadow: var(--glow-cyan);
}

.pricing-card--large:hover {
    box-shadow: 0 0 50px rgba(91, 203, 222, 0.5);
}

.pricing-card--large .pricing-card__price {
    font-size: 3.5rem;
    background: linear-gradient(135deg, var(--color-cyan), var(--color-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.pricing-card--large .card__tagline {
    color: var(--color-cyan);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
}