/* =============================================================================
   style.css — tod-framework
   Custom properties + tiny reset + classless baseline + components
   All custom properties:  --tod-*
   All component classes:  .tod-*
   ============================================================================= */

/* ---------------------------------------------------------------------------
   1. Custom Properties (Design Tokens)
--------------------------------------------------------------------------- */
:root {
    /* Colors */
    --tod-color-brand: #1a6fc4;
    --tod-color-brand-dark: #145299;
    --tod-color-brand-light: #e8f1fb;
    --tod-color-accent: #f0a500;
    --tod-color-text: #1a1a2e;
    --tod-color-text-light: #555577;
    --tod-color-bg: #ffffff;
    --tod-color-bg-alt: #f5f7fa;
    --tod-color-border: #dde1ea;
    --tod-color-white: #ffffff;
    --tod-color-success: #1e7e34;
    --tod-color-error: #c62828;

    /* Typography */
    --tod-font-base: system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    --tod-font-size: 1rem;
    --tod-line-height: 1.65;
    --tod-font-heading: var(--tod-font-base);
    --tod-font-mono: 'Courier New', Courier, monospace;

    /* Spacing scale */
    --tod-space-xs: 0.25rem;
    --tod-space-sm: 0.5rem;
    --tod-space-md: 1rem;
    --tod-space-lg: 1.5rem;
    --tod-space-xl: 2.5rem;
    --tod-space-xxl: 4rem;

    /* Layout */
    --tod-container-max: 1200px;
    --tod-container-pad: 1.25rem;
    --tod-section-pad: 4rem;

    /* UI */
    --tod-radius: 0.375rem;
    --tod-radius-lg: 0.75rem;
    --tod-shadow-sm: 0 1px 3px rgba(0, 0, 0, .08);
    --tod-shadow: 0 4px 16px rgba(0, 0, 0, .1);
    --tod-shadow-lg: 0 8px 32px rgba(0, 0, 0, .14);
    --tod-transition: 0.2s ease;

    /* Header */
    --tod-header-height: 4rem;
    --tod-header-bg: var(--tod-color-bg);
    --tod-header-color: var(--tod-color-text);
    --tod-header-shadow: var(--tod-shadow-sm);
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body, h1, h2, h3, h4, h5, h6,
p, ul, ol, dl, figure, blockquote {
    margin: 0;
    padding: 0;
}

img, video, svg {
    display: block;
    max-width: 100%;
}

ul, ol {
    list-style: none;
}

a {
    color: var(--tod-color-brand);
    text-decoration-skip-ink: auto;
}

a:hover {
    color: var(--tod-color-brand-dark);
}

button, input, select, textarea {
    font: inherit;
    color: inherit;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    padding: 0;
}

/* ---------------------------------------------------------------------------
   3. Classless Baseline
--------------------------------------------------------------------------- */
body {
    font-family: var(--tod-font-base);
    font-size: var(--tod-font-size);
    line-height: var(--tod-line-height);
    color: var(--tod-color-text);
    background: var(--tod-color-bg);
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--tod-font-heading);
    line-height: 1.2;
    font-weight: 700;
    color: var(--tod-color-text);
}

h1 {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
}

h2 {
    font-size: clamp(1.4rem, 3vw, 2.1rem);
}

h3 {
    font-size: clamp(1.1rem, 2vw, 1.5rem);
}

h4 {
    font-size: 1.15rem;
}

h5 {
    font-size: 1rem;
}

h6 {
    font-size: 0.9rem;
}

p {
    margin-bottom: var(--tod-space-md);
}

p:last-child {
    margin-bottom: 0;
}

address {
    font-style: normal;
}

code {
    font-family: var(--tod-font-mono);
    font-size: 0.875em;
    background: var(--tod-color-bg-alt);
    padding: 0.1em 0.35em;
    border-radius: var(--tod-radius);
}

/* ---------------------------------------------------------------------------
   4. Layout
--------------------------------------------------------------------------- */
.tod-container {
    width: 100%;
    max-width: var(--tod-container-max);
    margin-inline: auto;
    padding-inline: var(--tod-container-pad);
}

.tod-section {
    padding-block: var(--tod-section-pad);
}

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

.tod-section__title {
    text-align: center;
    margin-bottom: var(--tod-space-sm);
}

.tod-section__sub {
    text-align: center;
    color: var(--tod-color-text-light);
    margin-bottom: var(--tod-space-xl);
    max-width: 56ch;
    margin-inline: auto;
}

/* Grid */
.tod-grid {
    display: grid;
    gap: var(--tod-space-lg);
}

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

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

.tod-grid--4 {
    grid-template-columns: 1fr 1fr;
}

@media (min-width: 640px) {
    .tod-grid--4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

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

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

/* ---------------------------------------------------------------------------
   5. Buttons
--------------------------------------------------------------------------- */
.tod-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--tod-space-xs);
    padding: 0.65em 1.4em;
    border-radius: var(--tod-radius);
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    transition: background var(--tod-transition), color var(--tod-transition), border-color var(--tod-transition);
    cursor: pointer;
    border: 2px solid transparent;
    line-height: 1.3;
}

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

.tod-btn--primary:hover {
    background: var(--tod-color-brand-dark);
    border-color: var(--tod-color-brand-dark);
    color: var(--tod-color-white);
}

.tod-btn--outline {
    background: transparent;
    color: var(--tod-color-brand);
    border-color: var(--tod-color-brand);
}

.tod-btn--outline:hover {
    background: var(--tod-color-brand);
    color: var(--tod-color-white);
}

/* ---------------------------------------------------------------------------
   6. Header
--------------------------------------------------------------------------- */
.tod-header {
    position: sticky;
    top: 0;
    z-index: 100;
    height: var(--tod-header-height);
    background: var(--tod-header-bg);
    box-shadow: var(--tod-header-shadow);
}

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

/* Transparent mode — overlays hero image */
.tod-header--transparent {
    position: absolute;
    width: 100%;
    background: transparent;
    box-shadow: none;
    --tod-header-color: var(--tod-color-white);
}

.tod-header--transparent .tod-logo,
.tod-header--transparent .tod-nav__link {
    color: var(--tod-color-white);
}

.tod-header--transparent .tod-nav-toggle .tod-hamburger,
.tod-header--transparent .tod-nav-toggle .tod-hamburger::before,
.tod-header--transparent .tod-nav-toggle .tod-hamburger::after {
    background: var(--tod-color-white);
}

/* Centered mode */
.tod-header--centered .tod-header__inner {
    flex-direction: column;
    height: auto;
    padding-block: var(--tod-space-md);
    gap: var(--tod-space-md);
}

/* Logo */
.tod-logo {
    font-weight: 700;
    font-size: 1.2rem;
    text-decoration: none;
    color: var(--tod-header-color, var(--tod-color-text));
    white-space: nowrap;
}

/* ---------------------------------------------------------------------------
   7. Navigation
--------------------------------------------------------------------------- */
.tod-nav-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 2.5rem;
    height: 2.5rem;
    padding: 0.25rem;
    z-index: 110;
}

.tod-hamburger,
.tod-hamburger::before,
.tod-hamburger::after {
    display: block;
    width: 1.5rem;
    height: 2px;
    background: var(--tod-color-text);
    border-radius: 2px;
    transition: transform var(--tod-transition), opacity var(--tod-transition);
}

.tod-hamburger {
    position: relative;
}

.tod-hamburger::before,
.tod-hamburger::after {
    content: '';
    position: absolute;
    left: 0;
}

.tod-hamburger::before {
    top: -6px;
}

.tod-hamburger::after {
    top: 6px;
}

/* Hamburger → X animation when nav is open */
.tod-nav--open+.tod-nav-toggle .tod-hamburger,
[aria-expanded="true"] .tod-hamburger {
    background: transparent;
}

[aria-expanded="true"] .tod-hamburger::before {
    transform: translateY(6px) rotate(45deg);
}

[aria-expanded="true"] .tod-hamburger::after {
    transform: translateY(-6px) rotate(-45deg);
}

/* Nav — mobile first */
.tod-nav {
    display: none;
    position: absolute;
    top: var(--tod-header-height);
    left: 0;
    right: 0;
    background: var(--tod-color-bg);
    box-shadow: var(--tod-shadow);
    padding: var(--tod-space-md);
    z-index: 99;
}

.tod-nav.tod-nav--open {
    display: block;
}

.tod-nav__list {
    display: flex;
    flex-direction: column;
    gap: var(--tod-space-xs);
}

.tod-nav__link {
    display: block;
    padding: 0.5rem var(--tod-space-sm);
    text-decoration: none;
    color: var(--tod-color-text);
    font-weight: 500;
    border-radius: var(--tod-radius);
    transition: background var(--tod-transition), color var(--tod-transition);
}

.tod-nav__link:hover,
.tod-nav__link.active {
    background: var(--tod-color-brand-light);
    color: var(--tod-color-brand);
}

/* Dropdown */
.tod-dropdown {
    display: none;
    padding-left: var(--tod-space-md);
}

.tod-nav__item--has-dropdown.tod-dropdown-open>.tod-dropdown {
    display: block;
}

.tod-dropdown__link {
    display: block;
    padding: 0.35rem var(--tod-space-sm);
    text-decoration: none;
    color: var(--tod-color-text-light);
    font-size: 0.9rem;
    border-radius: var(--tod-radius);
    transition: color var(--tod-transition);
}

.tod-dropdown__link:hover,
.tod-dropdown__link.active {
    color: var(--tod-color-brand);
}

.tod-dropdown-caret {
    font-size: 0.6em;
    margin-left: var(--tod-space-xs);
    display: inline-block;
    transition: transform var(--tod-transition);
}

.tod-nav__item--has-dropdown.tod-dropdown-open .tod-dropdown-caret {
    transform: rotate(180deg);
}

/* Desktop nav */
@media (min-width: 768px) {
    .tod-nav-toggle {
        display: none;
    }

    .tod-nav {
        display: flex !important;
        position: static;
        background: none;
        box-shadow: none;
        padding: 0;
    }

    .tod-nav__list {
        flex-direction: row;
        align-items: center;
        gap: var(--tod-space-xs);
    }

    .tod-nav__item--has-dropdown {
        position: relative;
    }

    .tod-dropdown {
        display: none;
        position: absolute;
        /* Flush to the bottom of the nav item — no gap */
        top: 100%;
        left: 0;
        min-width: 200px;
        background: var(--tod-color-bg);
        border: 1px solid var(--tod-color-border);
        border-radius: var(--tod-radius);
        box-shadow: var(--tod-shadow);
        padding: var(--tod-space-sm) 0;
        padding-left: 0;
        z-index: 200;
        /* Small delay so cursor can travel from link to dropdown */
        transition: opacity 0.1s ease;
    }

    .tod-nav__item--has-dropdown:hover>.tod-dropdown,
    .tod-nav__item--has-dropdown.tod-dropdown-open>.tod-dropdown {
        display: block;
    }

    /* Invisible bridge fills the gap between the nav link and dropdown
       so moving the mouse diagonally doesn't close the menu */
    .tod-nav__item--has-dropdown::after {
        content: '';
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        height: 0.75rem;
        /* matches any visual gap */
    }

    .tod-nav__item--has-dropdown:hover::after {
        display: block;
    }

    .tod-dropdown__link {
        padding: 0.5rem var(--tod-space-md);
        border-radius: 0;
        white-space: nowrap;
    }

    .tod-dropdown__link:hover {
        background: var(--tod-color-brand-light);
    }
}

/* ---------------------------------------------------------------------------
   8. Hero
--------------------------------------------------------------------------- */
.tod-hero {
    position: relative;
    display: flex;
    align-items: center;
    min-height: 80vh;
    background: var(--tod-color-brand-dark);
    color: var(--tod-color-white);
    overflow: hidden;
}

/* When header is transparent, the hero must account for header height */
.tod-header-style--transparent .tod-hero {
    min-height: calc(80vh + var(--tod-header-height));
}

.tod-hero__bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    /* TODO: set background-image via inline style or page-specific CSS */
    opacity: 0.35;
}

.tod-hero__content {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--tod-space-lg);
    padding-block: var(--tod-space-xxl);
}

.tod-hero__headline {
    font-size: clamp(2rem, 5vw, 3.5rem);
    color: var(--tod-color-white);
    max-width: 16ch;
}

.tod-hero__sub {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: rgba(255, 255, 255, .85);
    max-width: 52ch;
    margin-bottom: 0;
}

.tod-hero__content .tod-btn {
    align-self: flex-start;
}

/* ---------------------------------------------------------------------------
   9. Feature Cards
--------------------------------------------------------------------------- */
.tod-features {
    background: var(--tod-color-bg-alt);
}

.tod-feature-card {
    background: var(--tod-color-bg);
    border-radius: var(--tod-radius-lg);
    padding: var(--tod-space-xl) var(--tod-space-lg);
    box-shadow: var(--tod-shadow-sm);
    text-align: center;
}

.tod-feature-card__icon {
    font-size: 2.5rem;
    margin-bottom: var(--tod-space-md);
    color: var(--tod-color-brand);
}

.tod-feature-card h3 {
    margin-bottom: var(--tod-space-sm);
}

/* ---------------------------------------------------------------------------
   10. Blog
--------------------------------------------------------------------------- */
.tod-post-grid {
    display: grid;
    gap: var(--tod-space-xl);
    grid-template-columns: 1fr;
}

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

@media (min-width: 960px) {
    .tod-post-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.tod-post-card {
    background: var(--tod-color-bg);
    border: 1px solid var(--tod-color-border);
    border-radius: var(--tod-radius-lg);
    overflow: hidden;
    box-shadow: var(--tod-shadow-sm);
    display: flex;
    flex-direction: column;
    transition: box-shadow var(--tod-transition), transform var(--tod-transition);
}

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

.tod-post-card__img-link img {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
}

.tod-post-card__body {
    padding: var(--tod-space-lg);
    display: flex;
    flex-direction: column;
    gap: var(--tod-space-sm);
    flex: 1;
}

.tod-post-card__title {
    font-size: 1.15rem;
    margin: 0;
}

.tod-post-card__title a {
    text-decoration: none;
    color: var(--tod-color-text);
}

.tod-post-card__title a:hover {
    color: var(--tod-color-brand);
}

.tod-post-card__excerpt {
    color: var(--tod-color-text-light);
    font-size: 0.9rem;
    flex: 1;
}

.tod-post-card .tod-btn {
    align-self: flex-start;
    margin-top: auto;
    font-size: 0.85rem;
    padding: 0.4em 1em;
}

.tod-post-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--tod-space-sm);
    font-size: 0.8rem;
    color: var(--tod-color-text-light);
    align-items: center;
}

.tod-post-meta__category {
    background: var(--tod-color-brand-light);
    color: var(--tod-color-brand);
    padding: 0.15em 0.6em;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.tod-blog-empty {
    text-align: center;
    color: var(--tod-color-text-light);
    font-size: 1.1rem;
    padding-block: var(--tod-space-xxl);
}

/* Single post */
.tod-post-single__wrap {
    max-width: 780px;
    margin-inline: auto;
}

.tod-post-single__header {
    margin-bottom: var(--tod-space-xl);
    display: flex;
    flex-direction: column;
    gap: var(--tod-space-md);
}

.tod-post-single__title {
    margin: 0;
}

.tod-post-single__featured-img img {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
    border-radius: var(--tod-radius-lg);
}

.tod-post-single__body {
    font-size: 1.05rem;
    line-height: 1.8;
}

.tod-post-single__body h2,
.tod-post-single__body h3,
.tod-post-single__body h4 {
    margin-top: var(--tod-space-xl);
    margin-bottom: var(--tod-space-sm);
}

.tod-post-single__body p,
.tod-post-single__body ul,
.tod-post-single__body ol,
.tod-post-single__body blockquote {
    margin-bottom: var(--tod-space-md);
}

.tod-post-single__body ul,
.tod-post-single__body ol {
    padding-left: var(--tod-space-lg);
    list-style: revert;
}

.tod-post-single__footer {
    margin-top: var(--tod-space-xl);
    padding-top: var(--tod-space-lg);
    border-top: 1px solid var(--tod-color-border);
}

/* ---------------------------------------------------------------------------
   11. Contact Page
--------------------------------------------------------------------------- */
.tod-contact-grid {
    display: grid;
    gap: var(--tod-space-xxl);
    grid-template-columns: 1fr;
    margin-top: var(--tod-space-xl);
}

@media (min-width: 768px) {
    .tod-contact-grid {
        grid-template-columns: 1fr 1fr;
        align-items: start;
    }
}

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

.tod-contact-info address {
    display: flex;
    flex-direction: column;
    gap: var(--tod-space-md);
    color: var(--tod-color-text-light);
}

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

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

.tod-form-group label {
    font-weight: 600;
    font-size: 0.9rem;
}

.tod-form-group label span {
    color: var(--tod-color-brand);
}

.tod-form-group input,
.tod-form-group textarea {
    width: 100%;
    padding: 0.6rem 0.85rem;
    border: 1px solid var(--tod-color-border);
    border-radius: var(--tod-radius);
    background: var(--tod-color-bg);
    transition: border-color var(--tod-transition), box-shadow var(--tod-transition);
    font-size: 1rem;
}

.tod-form-group input:focus,
.tod-form-group textarea:focus {
    outline: none;
    border-color: var(--tod-color-brand);
    box-shadow: 0 0 0 3px var(--tod-color-brand-light);
}

.tod-form-group textarea {
    resize: vertical;
    min-height: 140px;
}

.tod-form-submit {
    width: 100%;
    padding: 0.75em 1.5em;
    font-size: 1rem;
}

.tod-form-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

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

.tod-form-status--success {
    background: #e8f5e9;
    color: var(--tod-color-success);
    border: 1px solid #c8e6c9;
}

.tod-form-status--error {
    background: #ffebee;
    color: var(--tod-color-error);
    border: 1px solid #ffcdd2;
}

/* ---------------------------------------------------------------------------
   12. Footer
--------------------------------------------------------------------------- */
.tod-footer {
    background: var(--tod-color-text);
    color: rgba(255, 255, 255, .75);
    padding-block: var(--tod-space-xxl) var(--tod-space-xl);
}

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

@media (min-width: 540px) {
    .tod-footer__cols {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 900px) {
    .tod-footer__cols {
        grid-template-columns: repeat(4, 1fr);
    }
}

.tod-footer__col-title {
    color: var(--tod-color-white);
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--tod-space-md);
}

.tod-footer__links {
    display: flex;
    flex-direction: column;
    gap: var(--tod-space-xs);
}

.tod-footer__link {
    color: rgba(255, 255, 255, .7);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color var(--tod-transition);
}

.tod-footer__link:hover,
.tod-footer__link.active {
    color: var(--tod-color-white);
}

.tod-footer__html {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, .7);
}

.tod-footer__html a {
    color: var(--tod-color-accent);
}

.tod-footer__html address p {
    margin-bottom: var(--tod-space-sm);
}

.tod-footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, .1);
    padding-top: var(--tod-space-lg);
    text-align: center;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, .5);
}

/* Social links */
.tod-social-links {
    display: flex;
    flex-wrap: wrap;
    gap: var(--tod-space-sm);
}

.tod-social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.4em 0.8em;
    border: 1px solid rgba(255, 255, 255, .2);
    border-radius: var(--tod-radius);
    color: rgba(255, 255, 255, .7);
    text-decoration: none;
    font-size: 0.85rem;
    transition: background var(--tod-transition), color var(--tod-transition), border-color var(--tod-transition);
}

.tod-social-links a:hover {
    background: var(--tod-color-brand);
    color: var(--tod-color-white);
    border-color: var(--tod-color-brand);
}

/* ---------------------------------------------------------------------------
   13. 404 Page
--------------------------------------------------------------------------- */
.tod-404 {
    min-height: 60vh;
    display: flex;
    align-items: center;
}

.tod-404__content {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--tod-space-lg);
}

.tod-404__code {
    font-size: clamp(5rem, 15vw, 9rem);
    font-weight: 800;
    color: var(--tod-color-brand-light);
    line-height: 1;
}

/* ---------------------------------------------------------------------------
   14. Utilities
--------------------------------------------------------------------------- */
.tod-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;
}

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

.tod-text-right {
    text-align: right;
}

.tod-mt-lg {
    margin-top: var(--tod-space-lg);
}

.tod-mb-lg {
    margin-bottom: var(--tod-space-lg);
}