/* ==========================================================================
   CSS Design System - AdminUnlocked
   ========================================================================== */

/* --------------------------------------------------------------------------
   Custom Properties
   -------------------------------------------------------------------------- */
:root {
    /* Colors - teal/blue-green palette */
    --color-primary: #0d9488; /* teal-600 */
    --color-primary-dark: #0f766e; /* teal-700 */
    --color-primary-light: #14b8a6; /* teal-500 */
    --color-text: #1e293b; /* slate-800 */
    --color-text-muted: #64748b; /* slate-500 */
    --color-bg: #ffffff;
    --color-bg-subtle: #f8fafc; /* slate-50 */
    --color-border: #e2e8f0; /* slate-200 */

    /* Typography */
    --font-sans:
        system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
        sans-serif;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-24: 6rem;

    /* Layout */
    --max-width: 1200px;
    --header-height: 4rem;

    /* 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), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl:
        0 20px 25px -5px rgba(0, 0, 0, 0.1),
        0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
}

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

html {
    scroll-behavior: smooth;
}

body,
h1,
h2,
h3,
h4,
h5,
h6,
p {
    margin: 0;
    padding: 0;
}

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

a {
    text-decoration: none;
    color: inherit;
}

/* --------------------------------------------------------------------------
   Base Typography
   -------------------------------------------------------------------------- */
body {
    font-family: var(--font-sans);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    line-height: 1.2;
    font-weight: 700;
}

h1 {
    font-size: var(--font-size-4xl);
}

h2 {
    font-size: var(--font-size-3xl);
}

h3 {
    font-size: var(--font-size-2xl);
}

h4 {
    font-size: var(--font-size-xl);
}

/* --------------------------------------------------------------------------
   Utility Classes
   -------------------------------------------------------------------------- */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--space-6);
    padding-right: var(--space-6);
}

/* --------------------------------------------------------------------------
   Button Styles
   -------------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-3) var(--space-6);
    font-family: var(--font-sans);
    font-size: var(--font-size-base);
    font-weight: 600;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition:
        background-color var(--transition-fast),
        box-shadow var(--transition-fast),
        transform var(--transition-fast),
        border-color var(--transition-fast);
}

.btn:hover {
    transform: translateY(-1px);
}

.btn:active {
    transform: translateY(0);
}

.btn-primary {
    background-color: var(--color-primary);
    color: white;
}

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
    background-color: var(--color-primary);
    color: white;
    box-shadow: var(--shadow-md);
}

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    height: var(--header-height);
    background-color: var(--color-bg);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

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

.logo {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text);
    transition: color var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.logo-icon {
    display: inline-block;
    max-height: 1.3em;
    vertical-align: bottom;
    margin-bottom: -0.7em;
}

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

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero {
    padding-top: var(--space-16);
    padding-bottom: var(--space-24);
    background: linear-gradient(
        180deg,
        var(--color-bg) 0%,
        rgba(13, 148, 136, 0.03) 50%,
        var(--color-bg-subtle) 100%
    );
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.hero-headline {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--color-text);
    max-width: 800px;
    margin-bottom: var(--space-6);
}

.hero-subheadline {
    font-size: var(--font-size-lg);
    color: var(--color-text-muted);
    max-width: 600px;
    margin-bottom: var(--space-8);
}

.hero-cta {
    padding: var(--space-4) var(--space-8);
    font-size: var(--font-size-lg);
}

.hero-image-wrapper {
    margin-top: var(--space-16);
    width: 100%;
    max-width: 900px;
}

.hero-image {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

/* --------------------------------------------------------------------------
   Benefits Section
   -------------------------------------------------------------------------- */
.benefits {
    padding-top: var(--space-24);
    padding-bottom: var(--space-24);
    background-color: var(--color-bg);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
}

.benefit-card {
    text-align: center;
    padding: var(--space-6);
}

.benefit-icon {
    display: flex;
    justify-content: center;
    margin-bottom: var(--space-4);
    color: var(--color-primary);
}

.benefit-icon svg {
    width: 48px;
    height: 48px;
}

.benefit-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-2);
}

.benefit-description {
    font-size: var(--font-size-base);
    color: var(--color-text-muted);
    line-height: 1.6;
}

/* --------------------------------------------------------------------------
   How It Works Section
   -------------------------------------------------------------------------- */
.how-it-works {
    padding-top: var(--space-24);
    padding-bottom: var(--space-24);
    background-color: var(--color-bg);
}

.how-it-works-heading {
    text-align: center;
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--space-12);
}

.how-it-works-grid {
    display: grid;
    grid-template-columns: 1fr auto 1fr auto 1fr;
    gap: var(--space-4);
    align-items: start;
}

.step-card {
    text-align: center;
    padding: var(--space-6);
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background-color: var(--color-primary);
    color: white;
    font-size: var(--font-size-xl);
    font-weight: 700;
    border-radius: 50%;
    margin-bottom: var(--space-4);
}

.step-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-2);
}

.step-description {
    font-size: var(--font-size-base);
    color: var(--color-text-muted);
    line-height: 1.6;
}

.step-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary-light);
    padding-top: var(--space-8);
}

.step-arrow svg {
    width: 32px;
    height: 32px;
}

/* --------------------------------------------------------------------------
   CTA Section
   -------------------------------------------------------------------------- */
.cta {
    padding-top: var(--space-24);
    padding-bottom: var(--space-24);
    background: linear-gradient(
        180deg,
        var(--color-bg) 0%,
        rgba(13, 148, 136, 0.06) 50%,
        var(--color-bg-subtle) 100%
    );
}

.cta-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.cta-headline {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--space-4);
}

.cta-subtext {
    font-size: var(--font-size-lg);
    color: var(--color-text-muted);
    margin-bottom: var(--space-8);
    max-width: 500px;
}

.cta-buttons {
    display: flex;
    gap: var(--space-4);
    flex-wrap: wrap;
    justify-content: center;
}

.cta-button {
    padding: var(--space-4) var(--space-8);
    font-size: var(--font-size-lg);
}

/* --------------------------------------------------------------------------
   About Section
   -------------------------------------------------------------------------- */
.about {
    padding-top: var(--space-24);
    padding-bottom: var(--space-24);
    background-color: var(--color-bg-subtle);
}

.about-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.about-heading {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--space-4);
}

.about-text {
    font-size: var(--font-size-lg);
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* --------------------------------------------------------------------------
   Coming Soon Teaser Section
   -------------------------------------------------------------------------- */
.coming-soon {
    padding-top: var(--space-12);
    padding-bottom: var(--space-12);
    background-color: var(--color-bg);
    border-top: 1px solid var(--color-border);
}

.coming-soon-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    max-width: 550px;
    margin: 0 auto;
}

.coming-soon-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: linear-gradient(
        135deg,
        rgba(13, 148, 136, 0.1) 0%,
        rgba(13, 148, 136, 0.05) 100%
    );
    border-radius: 50%;
    margin-bottom: var(--space-4);
    color: var(--color-primary);
}

.coming-soon-icon svg {
    width: 28px;
    height: 28px;
}

.coming-soon-headline {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-2);
}

.coming-soon-description {
    font-size: var(--font-size-base);
    color: var(--color-text-muted);
    line-height: 1.6;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
    background-color: var(--color-text);
    padding-top: var(--space-6);
    padding-bottom: var(--space-6);
}

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

.footer-copyright {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.8);
}

.footer-link {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.8);
    transition: color var(--transition-fast);
}

.footer-link:hover {
    color: white;
}

/* --------------------------------------------------------------------------
   Modal
   -------------------------------------------------------------------------- */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition:
        opacity var(--transition-base),
        visibility var(--transition-base);
    padding: var(--space-4);
}

.modal-overlay.is-open {
    opacity: 1;
    visibility: visible;
}

.modal {
    background-color: var(--color-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 500px;
    padding: var(--space-8);
    position: relative;
    transform: translateY(20px);
    transition: transform var(--transition-base);
}

.modal-overlay.is-open .modal {
    transform: translateY(0);
}

.modal-close {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-2);
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    color: var(--color-text);
}

.modal-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--space-6);
    text-align: center;
}

/* --------------------------------------------------------------------------
   Form Styles
   -------------------------------------------------------------------------- */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

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

.form-input,
.form-textarea {
    font-family: var(--font-sans);
    font-size: var(--font-size-base);
    padding: var(--space-3) var(--space-4);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background-color: var(--color-bg);
    color: var(--color-text);
    transition:
        border-color var(--transition-fast),
        box-shadow var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--color-text-muted);
}

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

.form-submit {
    margin-top: var(--space-4);
    width: 100%;
}

/* --------------------------------------------------------------------------
   Responsive Styles
   -------------------------------------------------------------------------- */
@media (min-width: 768px) {
    .hero {
        padding-top: var(--space-24);
    }

    .hero-headline {
        font-size: var(--font-size-5xl);
    }

    .hero-subheadline {
        font-size: var(--font-size-xl);
    }
}

@media (max-width: 900px) {
    .how-it-works-grid {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }

    .step-arrow {
        display: none;
    }
}

@media (max-width: 767px) {
    .benefits-grid {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }
}

@media (max-width: 480px) {
    .container {
        padding-left: var(--space-4);
        padding-right: var(--space-4);
    }

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

    .hero-subheadline {
        font-size: var(--font-size-base);
    }

    .hero-cta {
        width: 100%;
        padding: var(--space-4) var(--space-6);
    }

    .benefits {
        padding-top: var(--space-16);
        padding-bottom: var(--space-16);
    }

    .how-it-works {
        padding-top: var(--space-16);
        padding-bottom: var(--space-16);
    }

    .how-it-works-heading {
        font-size: var(--font-size-2xl);
    }

    .cta {
        padding-top: var(--space-16);
        padding-bottom: var(--space-16);
    }

    .cta-headline {
        font-size: var(--font-size-2xl);
    }

    .cta-subtext {
        font-size: var(--font-size-base);
    }

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

    .cta-button {
        width: 100%;
        padding: var(--space-4) var(--space-6);
    }

    .about {
        padding-top: var(--space-16);
        padding-bottom: var(--space-16);
    }

    .about-heading {
        font-size: var(--font-size-xl);
    }

    .about-text {
        font-size: var(--font-size-base);
    }

    .footer-inner {
        flex-direction: column;
        gap: var(--space-2);
        text-align: center;
    }

    .modal {
        padding: var(--space-6);
    }

    .modal-title {
        font-size: var(--font-size-xl);
    }

    .coming-soon {
        padding-top: var(--space-8);
        padding-bottom: var(--space-8);
    }

    .coming-soon-headline {
        font-size: var(--font-size-lg);
    }

    .coming-soon-description {
        font-size: var(--font-size-sm);
    }
}