/**
 * TIC Identity - Site Styles
 * Main stylesheet for id.tic.io landing and documentation pages
 * Uses TIC Design System variables for consistency with tic.io
 */

/* ==========================================================================
   Global Mobile Fixes
   ========================================================================== */

html, body {
    overflow-x: hidden;
}

/* ==========================================================================
   Layout
   ========================================================================== */

.site-header {
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-primary);
    padding: var(--space-4) 0;
}

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

.site-header__logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-weight: var(--font-semibold);
    font-size: var(--text-lg);
    color: var(--text-primary);
    text-decoration: none;
}

.site-header__logo:hover {
    color: var(--accent-primary);
}

.site-header__logo-icon {
    height: 17px;
    width: auto;
    color: var(--text-primary);
}

.site-header__nav {
    display: none;
    align-items: center;
    gap: var(--space-6);
}

@media (min-width: 768px) {
    .site-header__nav {
        display: flex;
    }
}

/* Mobile menu toggle */
.site-header__toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    padding: 0;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-primary);
}

.site-header__toggle svg {
    width: 24px;
    height: 24px;
}

@media (min-width: 768px) {
    .site-header__toggle {
        display: none;
    }
}

/* Mobile nav overlay */
.site-header__mobile-nav {
    display: none;
    position: fixed;
    inset: 0;
    top: 65px;
    z-index: var(--z-modal);
    background-color: var(--bg-secondary);
    padding: var(--space-6);
    flex-direction: column;
    gap: var(--space-4);
    border-top: 1px solid var(--border-primary);
}

.site-header__mobile-nav.is-open {
    display: flex;
}

@media (min-width: 768px) {
    .site-header__mobile-nav {
        display: none !important;
    }
}

.site-header__mobile-nav .site-header__link {
    display: block;
    padding: var(--space-4);
    font-size: var(--text-lg);
    border-radius: var(--radius-md);
}

.site-header__mobile-nav .site-header__link:hover {
    background-color: var(--bg-hover);
}

.site-header__mobile-nav .btn {
    margin-top: var(--space-4);
    text-align: center;
}

.site-header__link {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.site-header__link:hover {
    color: var(--text-primary);
}

.site-header__link--active {
    color: var(--accent-primary);
}

/* Container */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.container--narrow {
    max-width: var(--text-max-width);
}

/* Main content */
.site-main {
    min-height: calc(100vh - 200px);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero {
    padding: var(--space-16) 0;
    text-align: center;
}

@media (min-width: 768px) {
    .hero {
        padding: var(--space-24) 0;
    }
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    margin-bottom: var(--space-6);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-success);
    background-color: var(--color-success-bg);
    border: 1px solid var(--color-success-border);
    border-radius: var(--radius-full);
}

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

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

.hero__title {
    font-size: var(--text-4xl);
    font-weight: var(--font-bold);
    margin-bottom: var(--space-4);
    letter-spacing: var(--tracking-tight);
    overflow-wrap: break-word;
    word-break: break-word;
}

.hero__title br {
    display: none;
}

@media (min-width: 768px) {
    .hero__title br {
        display: inline;
    }
}

@media (min-width: 768px) {
    .hero__title {
        font-size: var(--text-5xl);
    }
}

@media (min-width: 992px) {
    .hero__title {
        font-size: var(--text-6xl);
    }
}

.hero__subtitle {
    font-size: var(--text-lg);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto var(--space-8);
    line-height: var(--leading-relaxed);
}

@media (min-width: 768px) {
    .hero__subtitle {
        font-size: var(--text-xl);
    }
}

.hero__actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    justify-content: center;
    align-items: center;
}

@media (min-width: 576px) {
    .hero__actions {
        flex-direction: row;
    }
}

/* ==========================================================================
   Features Section
   ========================================================================== */

.features {
    padding: var(--space-16) 0;
    background-color: var(--bg-tertiary);
}

.features__grid {
    display: grid;
    gap: var(--space-6);
}

@media (min-width: 768px) {
    .features__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 992px) {
    .features__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.feature-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    transition: var(--transition-normal);
}

.feature-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.feature-card__icon {
    width: 48px;
    height: 48px;
    margin-bottom: var(--space-4);
    color: var(--accent-primary);
}

.feature-card__title {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-2);
}

.feature-card__description {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    line-height: var(--leading-relaxed);
}

/* ==========================================================================
   Provider Logos Section
   ========================================================================== */

.providers {
    padding: var(--space-12) 0;
}

.providers__title {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    text-align: center;
    margin-bottom: var(--space-6);
}

.providers__grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: var(--space-6);
}

@media (min-width: 576px) {
    .providers__grid {
        gap: var(--space-8);
    }
}

.providers__logo {
    height: 32px;
    opacity: 0.6;
    filter: grayscale(100%);
    transition: var(--transition-normal);
}

.providers__logo:hover {
    opacity: 1;
    filter: grayscale(0%);
}

.providers__disclaimer {
    font-size: var(--text-xs);
    color: var(--text-tertiary);
    text-align: center;
    margin-top: var(--space-4);
}

/* Brand-compliant logos: original colors, constrained height */
.providers__logo--bankid {
    height: 50px;
    width: auto;
    opacity: 1;
    filter: none;
}

@media (min-width: 576px) {
    .providers__logo--bankid {
        height: 80px;
    }
}

.providers__logo--freja {
    max-height: 28px;
    width: auto;
    opacity: 1;
    filter: none;
}

@media (min-width: 576px) {
    .providers__logo--freja {
        max-height: 40px;
    }
}

.providers__logo--bankid:hover,
.providers__logo--freja:hover {
    opacity: 1;
    filter: none;
}

/* ==========================================================================
   CTA Section
   ========================================================================== */

.cta {
    padding: var(--space-16) 0;
    text-align: center;
    background-color: var(--bg-tertiary);
}

.cta__title {
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    margin-bottom: var(--space-4);
}

@media (min-width: 576px) {
    .cta__title {
        font-size: var(--text-3xl);
    }
}

.cta__description {
    font-size: var(--text-lg);
    color: var(--text-secondary);
    margin-bottom: var(--space-8);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

/* ==========================================================================
   Site Footer
   ========================================================================== */

.site-footer {
    padding: var(--space-8) 0;
    border-top: 1px solid var(--border-primary);
    background-color: var(--bg-secondary);
}

.site-footer__inner {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
    align-items: center;
    text-align: center;
}

@media (min-width: 768px) {
    .site-footer__inner {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

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

.site-footer__logo {
    font-weight: var(--font-semibold);
    color: var(--text-primary);
}

.site-footer__company {
    font-size: var(--text-sm);
    color: var(--text-tertiary);
}

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

@media (min-width: 768px) {
    .site-footer__links {
        gap: var(--space-6);
    }
}

.site-footer__link {
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.site-footer__link:hover {
    color: var(--text-primary);
}

.site-footer__badges {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.site-footer__badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    color: var(--text-tertiary);
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-full);
}

.site-footer__badge svg {
    width: 12px;
    height: 12px;
    color: var(--color-success);
}

/* ==========================================================================
   Utilities
   ========================================================================== */

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

/* Section headings - responsive sizing */
h2.text-center {
    font-size: var(--text-2xl);
}

@media (min-width: 576px) {
    h2.text-center {
        font-size: var(--text-3xl);
    }
}

.text-secondary {
    color: var(--text-secondary);
}

.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mt-4 { margin-top: var(--space-4); }
.mb-4 { margin-bottom: var(--space-4); }
.mt-8 { margin-top: var(--space-8); }
.mb-8 { margin-bottom: var(--space-8); }

.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;
}

/* ==========================================================================
   Services Section
   ========================================================================== */

.services {
    padding: var(--space-16) 0;
}

.services__grid {
    display: grid;
    gap: var(--space-6);
}

@media (min-width: 768px) {
    .services__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.service-card {
    position: relative;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
}

@media (min-width: 576px) {
    .service-card {
        padding: var(--space-8);
    }
}

.service-card--highlight {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 1px var(--accent-primary);
}

.service-card__badge {
    position: absolute;
    top: calc(-1 * var(--space-3));
    right: var(--space-4);
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    color: var(--text-inverse);
    background-color: var(--accent-primary);
    border-radius: var(--radius-full);
}

.service-card__header {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin-bottom: var(--space-4);
}

.service-card__icon {
    width: 40px;
    height: 40px;
    color: var(--accent-primary);
    flex-shrink: 0;
}

.service-card__title {
    font-size: var(--text-xl);
    font-weight: var(--font-semibold);
    margin: 0;
}

.service-card__description {
    color: var(--text-secondary);
    margin-bottom: var(--space-4);
    line-height: var(--leading-relaxed);
}

.service-card__features {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--space-6) 0;
}

.service-card__features li {
    position: relative;
    padding-left: var(--space-6);
    margin-bottom: var(--space-2);
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.service-card__features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-success);
    font-weight: var(--font-semibold);
}

/* ==========================================================================
   How It Works Section
   ========================================================================== */

.how-it-works {
    padding: var(--space-16) 0;
    background-color: var(--bg-tertiary);
}

.steps {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-4);
}

@media (min-width: 992px) {
    .steps {
        flex-direction: row;
        justify-content: center;
        align-items: flex-start;
    }
}

.step {
    text-align: center;
    max-width: 280px;
}

.step__number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    margin-bottom: var(--space-4);
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    color: var(--text-inverse);
    background-color: var(--accent-primary);
    border-radius: var(--radius-full);
}

.step__title {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-2);
}

.step__description {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    line-height: var(--leading-relaxed);
}

.step__connector {
    width: 2px;
    height: 40px;
    background-color: var(--border-secondary);
}

@media (min-width: 992px) {
    .step__connector {
        width: 60px;
        height: 2px;
        margin-top: 24px;
    }
}

/* ==========================================================================
   Enrichment Data Section
   ========================================================================== */

.enrichment {
    padding: var(--space-16) 0;
}

.enrichment__grid {
    display: grid;
    gap: var(--space-6);
    grid-template-columns: 1fr;
}

@media (min-width: 640px) {
    .enrichment__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 992px) {
    .enrichment__grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.enrichment-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    text-align: center;
    transition: var(--transition-normal);
    display: flex;
    flex-direction: column;
    align-items: center;
}

@media (min-width: 576px) {
    .enrichment-card {
        padding: var(--space-6);
    }
}

.enrichment-card:hover {
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-md);
}

.enrichment-card__icon {
    width: 40px;
    height: 40px;
    margin-bottom: var(--space-4);
    color: var(--accent-primary);
}

.enrichment-card__title {
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    margin: 0 0 var(--space-2) 0;
}

.enrichment-card__description {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    margin: 0 0 var(--space-3) 0;
    flex-grow: 1;
}

.enrichment-card__source {
    font-size: var(--text-xs);
    color: var(--text-tertiary);
    margin-top: auto;
    padding-top: var(--space-3);
    border-top: 1px solid var(--border-primary);
    width: 100%;
}

/* ==========================================================================
   Pricing Section
   ========================================================================== */

.pricing {
    padding: var(--space-16) 0;
    background-color: var(--bg-secondary);
}

.pricing__grid {
    display: grid;
    gap: var(--space-6);
    grid-template-columns: 1fr;
    max-width: 900px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .pricing__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.pricing-card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    display: flex;
    flex-direction: column;
    position: relative;
}

@media (min-width: 576px) {
    .pricing-card {
        padding: var(--space-8);
    }
}

.pricing-card--highlight {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 1px var(--accent-primary);
}

.pricing-card__badge {
    position: absolute;
    top: calc(-1 * var(--space-3));
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--accent-primary);
    color: white;
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.pricing-card__header {
    text-align: center;
    margin-bottom: var(--space-6);
}

.pricing-card__title {
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    margin: 0 0 var(--space-1) 0;
}

.pricing-card__subtitle {
    font-size: var(--text-sm);
    color: var(--text-tertiary);
    margin: 0;
}

.pricing-card__price {
    text-align: center;
    margin-bottom: var(--space-6);
    padding-bottom: var(--space-6);
    border-bottom: 1px solid var(--border-primary);
}

.pricing-card__from {
    font-size: var(--text-sm);
    color: var(--text-tertiary);
    display: block;
    height: 1.5em;
}

.pricing-card__amount {
    font-family: 'JetBrains Mono', monospace;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.03em;
    line-height: 1;
}

@media (min-width: 576px) {
    .pricing-card__amount {
        font-size: 4rem;
    }
}

.pricing-card__currency {
    font-family: 'JetBrains Mono', monospace;
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--text-primary);
    vertical-align: super;
    margin-left: 2px;
}

.pricing-card__period {
    font-size: var(--text-sm);
    color: var(--text-tertiary);
}

.pricing-card__features {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--space-6) 0;
    flex-grow: 1;
}

.pricing-card__features li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--text-secondary);
    margin-bottom: var(--space-3);
}

.pricing-card__features li:last-child {
    margin-bottom: 0;
}

.pricing-card__features svg {
    width: 20px;
    height: 20px;
    color: var(--accent-primary);
    flex-shrink: 0;
    margin-top: 1px;
}

.pricing-card__extra {
    font-size: var(--text-xs);
    color: var(--text-tertiary);
    text-align: center;
    margin-bottom: var(--space-4);
    padding-top: var(--space-4);
    border-top: 1px solid var(--border-primary);
}

/* ==========================================================================
   Modal
   ========================================================================== */

.modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
}

.modal[aria-hidden="false"] {
    opacity: 1;
    visibility: visible;
}

.modal__backdrop {
    position: absolute;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.5);
    cursor: pointer;
}

.modal__content {
    position: relative;
    background-color: var(--bg-primary);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    transform: translateY(20px);
    transition: transform 0.2s ease;
}

@media (min-width: 576px) {
    .modal__content {
        padding: var(--space-8);
    }
}

.modal[aria-hidden="false"] .modal__content {
    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(--text-tertiary);
    transition: color 0.15s ease;
}

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

.modal__close svg {
    width: 20px;
    height: 20px;
}

.modal__title {
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    margin: 0 0 var(--space-2) 0;
}

.modal__description {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    margin: 0 0 var(--space-6) 0;
}

/* ==========================================================================
   Contact Form
   ========================================================================== */

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

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

.form-group input,
.form-group select,
.form-group textarea {
    padding: var(--space-3);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    font-family: inherit;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

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