/* ==========================================================================
   Softenprise — Main Stylesheet
   Mobile-first, WCAG 2.1 AA compliant, Bootstrap 5 extended.
   ========================================================================== */

/* ---- CSS Custom Properties ---- */
:root {
    --color-primary: #1f6dd5;
    --color-primary-dark: #1855a8;
    --color-secondary: #6c757d;
    --color-accent: #ca8d00;
    --color-success: #1b883a;
    --color-danger: #e3210f;
    --color-warning: #ffc107;
    --color-info: #0dcaf0;
    --color-dark: #212529;
    --color-light: #f8f9fa;

    --font-family-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    --font-size-base: 1rem;
    --line-height-base: 1.6;

    --focus-ring-width: 3px;
    --focus-ring-color: rgba(31, 109, 213, 0.5);

    --transition-base: 200ms ease-in-out;
}

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

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

body {
    font-family: var(--font-family-base);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--color-dark);
    background-color: #fff;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ---- Focus Indicators (A11Y-02) ---- */
:focus-visible {
    outline: var(--focus-ring-width) solid var(--focus-ring-color);
    outline-offset: 2px;
    border-radius: 0.25rem;
}

/* Remove default focus for mouse users, keep for keyboard */
:focus:not(:focus-visible) {
    outline: none;
}

/* ---- Skip Navigation Link (A11Y-08) ---- */
.skip-link {
    position: absolute;
    top: -100%;
    left: 0.5rem;
    z-index: 1050;
    padding: 0.5rem 1rem;
    background: var(--color-primary);
    color: #fff;
    font-weight: 600;
    border-radius: 0 0 0.25rem 0.25rem;
    transition: top var(--transition-base);
}
.skip-link:focus {
    top: 0;
}

/* ---- Reduced Motion (A11Y-09) ---- */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* ---- Typography ---- */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 0.75rem;
}

h1 { font-size: clamp(1.75rem, 5vw, 2.75rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2.25rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }

p {
    margin-bottom: 1rem;
}

a {
    color: var(--color-primary);
    text-decoration: underline;
    text-underline-offset: 0.15em;
    transition: color var(--transition-base);
}
a:hover {
    color: var(--color-primary-dark);
}

/* ---- Utility Classes ---- */
.section-padding {
    padding: clamp(3rem, 8vw, 6rem) 0;
}

.bg-gradient-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
}

.text-balance {
    text-wrap: balance;
}

/* ---- Buttons ---- */
.btn {
    --bs-btn-focus-box-shadow: 0 0 0 var(--focus-ring-width) var(--focus-ring-color);
}

/* ---- Navbar ---- */
.navbar {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}
.navbar-brand {
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: -0.02em;
}
.navbar-brand-logo {
    height: 2.25rem;
    width: auto;
}
.nav-link {
    font-weight: 500;
    text-decoration: none;
    position: relative;
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width var(--transition-base);
}
.nav-link:hover::after,
.nav-link.active::after {
    width: 70%;
}

/* ---- Hero ---- */
.hero {
    background: linear-gradient(135deg, #1f6dd5 0%, #ca8d00 100%);
    color: #fff;
    padding: clamp(4rem, 12vw, 8rem) 0 clamp(3rem, 8vw, 5rem);
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('/assets/images/hero-pattern.svg') center/cover;
    opacity: 0.08;
    pointer-events: none;
}
.hero h1 {
    font-weight: 800;
    letter-spacing: -0.03em;
}
.hero .lead {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    opacity: 0.9;
}

/* ---- Service Cards ---- */
.service-card {
    border: none;
    border-radius: 0.75rem;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    height: 100%;
}
.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}
.service-card .card-icon {
    font-size: 2.5rem;
    color: var(--color-primary);
    margin-bottom: 1rem;
}

/* ---- Portfolio Grid ---- */
.portfolio-filter-btn.active {
    background-color: var(--color-primary) !important;
    color: #fff !important;
    border-color: var(--color-primary) !important;
}
.portfolio-item {
    transition: opacity 300ms ease, transform 300ms ease;
}
.portfolio-item.hidden {
    display: none;
}

/* ---- Blog Cards ---- */
.blog-card {
    border: none;
    border-radius: 0.75rem;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
    transition: transform var(--transition-base);
}
.blog-card:hover {
    transform: translateY(-4px);
}
.blog-card .card-img-top {
    height: 200px;
    object-fit: cover;
}

/* ---- Contact Form ---- */
.contact-form .form-label {
    font-weight: 600;
    font-size: 0.875rem;
}
.contact-form .form-control {
    border-radius: 0.5rem;
}
.contact-form .is-invalid {
    border-color: var(--color-danger);
}
.contact-form .invalid-feedback {
    font-size: 0.8125rem;
}
.contact-form [aria-invalid="true"] {
    border-color: var(--color-danger);
}

/* ---- Toast Notifications ---- */
.toast-container {
    position: fixed;
    bottom: 1rem;
    right: 1rem;
    z-index: 1060;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.toast-item {
    background: #fff;
    border-radius: 0.5rem;
    padding: 1rem 1.25rem;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    animation: toast-slide-in 300ms ease;
    min-width: 280px;
    max-width: 400px;
}
.toast-item--success { border-left: 4px solid var(--color-success); }
.toast-item--error   { border-left: 4px solid var(--color-danger); }
.toast-item--info    { border-left: 4px solid var(--color-info); }
.toast-item--warning { border-left: 4px solid var(--color-warning); }

@keyframes toast-slide-in {
    from { transform: translateX(100%); opacity: 0; }
    to   { transform: translateX(0);    opacity: 1; }
}

/* ---- Footer ---- */
.site-footer {
    background: var(--color-dark);
    color: #adb5bd;
    padding: 3rem 0 2rem;
    font-size: 0.9375rem;
}
.site-footer a {
    color: #adb5bd;
    text-decoration: none;
    transition: color var(--transition-base);
}
.site-footer a:hover {
    color: #fff;
}
.site-footer h5 {
    color: #fff;
    font-size: 1.0625rem;
    margin-bottom: 1rem;
}
.footer-brand-logo {
    height: 2rem;
    width: auto;
}

/* ---- Dialog (Modal) ---- */
dialog {
    border: none;
    border-radius: 0.75rem;
    padding: 2rem;
    max-width: 500px;
    width: 90%;
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.2);
}
dialog::backdrop {
    background: rgba(0, 0, 0, 0.5);
}

/* ---- Responsive: Mobile-first (min-width breakpoints) ---- */
@media (min-width: 576px) {
    .service-card .card-icon {
        font-size: 3rem;
    }
}

@media (min-width: 768px) {
    .hero {
        text-align: left;
    }
    .blog-card .card-img-top {
        height: 240px;
    }
}

@media (min-width: 992px) {
    .navbar-brand {
        font-size: 1.5rem;
    }
    .navbar-brand-logo {
        height: 2.75rem;
    }
}

/* ---- Print Styles ---- */
@media print {
    .navbar,
    .site-footer,
    .skip-link,
    .toast-container {
        display: none !important;
    }
    body {
        font-size: 12pt;
        color: #000;
    }
    a {
        color: #000;
    }
}