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

:root {
    --color-primary: #05594a;
    --color-primary-light: #07715d;
    --color-primary-dark: #033d33;
    --color-accent: #07715d;
    --color-accent-light: #3c9680;
    --color-bg: #f7faf9;
    --color-bg-alt: #ecf2ef;
    --color-text: #1a1a1a;
    --color-text-light: #555;
    --color-white: #ffffff;
    --color-border: #c8dad2;
    --color-error: #c0392b;
    --font-family: "Inter", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --max-width: 1100px;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.7;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

a {
    color: var(--color-accent);
    text-decoration: none;
}

a:hover {
    color: var(--color-accent-light);
}

img {
    max-width: 100%;
}

/* ===== Container ===== */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ===== Header & Navigation ===== */
.site-header {
    background-color: var(--color-primary-dark);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.navbar {
    padding: 0;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 68px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--color-white);
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: 0.02em;
    transition: opacity 0.2s;
    text-decoration: none;
}

.nav-brand:hover {
    color: var(--color-white);
    opacity: 0.85;
}

.nav-logo {
    height: 44px;
    width: auto;
    border-radius: 6px;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
    transition: transform 0.2s;
}

.nav-brand:hover .nav-logo {
    transform: scale(1.05);
}

.brand-name {
    display: inline-block;
    line-height: 1.2;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 0.25rem;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.nav-link {
    color: var(--color-bg);
    padding: 0.5rem 0.9rem;
    border-radius: 4px;
    font-size: 0.95rem;
    font-weight: 500;
    transition: background-color 0.2s;
}

.nav-link:hover {
    background-color: var(--color-primary-light);
    color: var(--color-white);
}

.nav-link.active {
    background-color: var(--color-primary-light);
    color: var(--color-white);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle-icon,
.nav-toggle-icon::before,
.nav-toggle-icon::after {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-white);
    position: relative;
    transition: transform 0.3s;
}

.nav-toggle-icon::before,
.nav-toggle-icon::after {
    content: "";
    position: absolute;
    left: 0;
}

.nav-toggle-icon::before {
    top: -7px;
}

.nav-toggle-icon::after {
    top: 7px;
}

/* ===== Hero ===== */
.hero {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    background-image: url("../images/bg-hero.63f656f077ba.svg"), linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    background-size: cover;
    background-position: center;
    color: var(--color-white);
    padding: 5.5rem 0;
    text-align: center;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.15rem;
    max-width: 700px;
    margin: 0 auto 2rem;
    opacity: 0.9;
    line-height: 1.6;
}

.hero-small {
    padding: 3rem 0;
    background-image: url("../images/bg-hero.63f656f077ba.svg"), linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    background-size: cover;
    background-position: center;
}

.hero-small h1 {
    font-size: 2rem;
}

/* ===== Sections ===== */
.section {
    padding: 4rem 0;
    background-image: url("../images/bg-section.7bc3242351e9.svg");
    background-repeat: repeat;
    background-size: 240px 240px;
}

.section-alt {
    background-color: var(--color-bg-alt);
    background-image: url("../images/bg-pattern.ecb47dcfc5a0.svg");
    background-repeat: repeat;
    background-size: 200px 200px;
}

.section h2 {
    font-size: 1.75rem;
    color: var(--color-primary);
    margin-bottom: 1rem;
    text-align: center;
}

.section-description {
    max-width: 750px;
    margin: 0 auto 2rem;
    text-align: center;
    color: var(--color-text-light);
    line-height: 1.7;
}

/* ===== Cards ===== */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.card {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 2rem;
    transition: box-shadow 0.2s, transform 0.2s;
}

.card:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
}

.card-icon {
    font-size: 2rem;
    margin-bottom: 0.75rem;
}

.card h3 {
    font-size: 1.15rem;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.card p {
    color: var(--color-text-light);
    font-size: 0.95rem;
}

/* ===== Subcard ===== */
.subcard {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 2rem 2.5rem;
    max-width: 750px;
    margin: 0 auto;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.subcard p {
    color: var(--color-text-light);
    line-height: 1.7;
    text-align: center;
    margin: 0;
}

.process-step.subcard {
    max-width: none;
    padding: 1.5rem 1.25rem;
}

/* ===== Buttons ===== */
.btn {
    display: inline-block;
    padding: 0.75rem 1.75rem;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s, color 0.2s, transform 0.1s;
    border: none;
    text-align: center;
}

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

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

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

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

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

.btn-secondary:hover {
    background-color: var(--color-accent);
    color: var(--color-white);
}

/* ===== CTA Section ===== */
.cta-section {
    text-align: center;
    background-color: var(--color-primary-light);
    background-image: url("../images/bg-cta.de3a203278fd.svg");
    background-repeat: repeat-x;
    background-size: auto 100%;
    background-position: center;
    color: var(--color-white);
}

.cta-section h2 {
    color: var(--color-white);
}

.cta-section p {
    max-width: 600px;
    margin: 0 auto 1.5rem;
    opacity: 0.9;
}

/* ===== Services ===== */
.service-block {
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--color-border);
}

.service-block:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.service-block h2 {
    text-align: left;
    font-size: 1.5rem;
}

.service-block p {
    color: var(--color-text-light);
    margin-bottom: 1rem;
}

.feature-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 0.5rem;
}

.feature-list li {
    padding: 0.4rem 0 0.4rem 1.5rem;
    position: relative;
    color: var(--color-text-light);
}

.feature-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: 700;
}

/* ===== Process Steps ===== */
.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

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

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-color: var(--color-primary);
    color: var(--color-white);
    font-weight: 700;
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
}

.process-step h3 {
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.process-step p {
    font-size: 0.9rem;
    color: var(--color-text-light);
}

/* ===== Blog ===== */
.blog-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.blog-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 2rem;
    transition: box-shadow 0.2s, transform 0.2s;
}

.blog-card:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
}

.blog-card h2 {
    text-align: left;
    font-size: 1.35rem;
    margin-bottom: 0.5rem;
}

.blog-card h2 a {
    color: var(--color-primary);
}

.blog-card h2 a:hover {
    color: var(--color-accent);
}

.blog-meta {
    font-size: 0.85rem;
    color: var(--color-text-light);
    margin-bottom: 0.75rem;
}

.read-more {
    font-weight: 600;
    font-size: 0.95rem;
}

.blog-content {
    max-width: 800px;
    font-size: 1.05rem;
}

.blog-content p {
    margin-bottom: 1rem;
}

.blog-content .btn {
    margin-top: 2rem;
}

.no-posts {
    text-align: center;
    color: var(--color-text-light);
    font-size: 1.1rem;
    padding: 2rem 0;
}

/* ===== Contact ===== */
.contact-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: start;
}

.contact-form {
    margin-top: 1.5rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.35rem;
    font-size: 0.95rem;
    color: var(--color-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.7rem 0.9rem;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-size: 1rem;
    font-family: var(--font-family);
    background-color: var(--color-white);
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(7, 113, 93, 0.15);
}

.has-error input,
.has-error select,
.has-error textarea {
    border-color: var(--color-error);
}

.error-message {
    display: block;
    color: var(--color-error);
    font-size: 0.85rem;
    margin-top: 0.25rem;
}

.contact-info {
    background-color: var(--color-bg-alt);
    padding: 2rem;
    border-radius: 8px;
}

.contact-info h3 {
    color: var(--color-primary);
    margin-bottom: 1rem;
}

.contact-info p {
    margin-bottom: 0.5rem;
    color: var(--color-text-light);
}

.success-message {
    font-size: 1.15rem;
    color: var(--color-accent);
    margin-bottom: 2rem;
    text-align: center;
}

/* ===== Footer ===== */
.site-footer {
    background-color: var(--color-primary-dark);
    background-image: url("../images/bg-cta.de3a203278fd.svg");
    background-repeat: repeat-x;
    background-size: auto 100%;
    background-position: center;
    color: var(--color-bg);
    padding: 2.5rem 0 2rem;
    text-align: center;
    margin-top: auto;
    border-top: 3px solid var(--color-accent);
}

.footer-nav {
    list-style: none;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.5rem 1.5rem;
    margin-bottom: 1.25rem;
}

.footer-nav a {
    color: var(--color-bg);
    font-size: 0.9rem;
    opacity: 0.8;
    transition: opacity 0.2s;
}

.footer-nav a:hover {
    opacity: 1;
    color: var(--color-white);
}

.site-footer p {
    font-size: 0.9rem;
    opacity: 0.8;
    margin-bottom: 0.25rem;
}

/* ===== Form Extras ===== */
.btn-loading {
    position: relative;
    pointer-events: none;
    opacity: 0.75;
}

.btn-loading::after {
    content: "";
    display: inline-block;
    width: 1em;
    height: 1em;
    margin-left: 0.5em;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    vertical-align: middle;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.char-counter {
    font-size: 0.8rem;
    color: var(--color-text-light);
    text-align: right;
    margin-top: 0.25rem;
}

.char-counter.near-limit {
    color: var(--color-error);
}

/* ===== Scroll Animations ===== */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== Back to Top ===== */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background-color: var(--color-primary);
    color: var(--color-white);
    border: none;
    cursor: pointer;
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s, background-color 0.2s;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    z-index: 90;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: var(--color-primary-light);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }

    .nav-menu {
        flex-direction: column;
        position: absolute;
        top: 68px;
        left: 0;
        right: 0;
        background-color: var(--color-primary-dark);
        padding: 0 1rem;
        gap: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease, padding 0.3s ease;
    }

    .nav-menu.active {
        max-height: 300px;
        padding: 1rem;
    }

    .nav-link {
        padding: 0.75rem 1rem;
        display: block;
    }

    .hero h1 {
        font-size: 1.75rem;
    }

    .hero-small h1 {
        font-size: 1.5rem;
    }

    .contact-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

    .process-steps {
        grid-template-columns: 1fr 1fr;
    }

    .feature-list {
        grid-template-columns: 1fr;
    }
}

/* ===== Print ===== */
@media print {
    .site-header,
    .site-footer,
    .nav-toggle,
    .back-to-top,
    .btn,
    .theme-toggle-label,
    .theme-toggle-checkbox {
        display: none !important;
    }

    body {
        background: #fff;
        color: #000;
    }

    .hero {
        background: #fff !important;
        color: #000;
        padding: 1rem 0;
    }

    a {
        color: #000;
        text-decoration: underline;
    }
}

/* ===== Theme Toggle ===== */
.theme-toggle-checkbox {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.theme-toggle-label {
    position: fixed;
    bottom: 1.25rem;
    left: 1.25rem;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background-color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 90;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    transition: background-color 0.3s, transform 0.2s;
    user-select: none;
}

.theme-toggle-label:hover {
    background-color: var(--color-primary-light);
    transform: scale(1.1);
}

.theme-toggle-icon {
    font-size: 1.25rem;
    line-height: 1;
}

.theme-toggle-moon {
    display: inline;
}

.theme-toggle-sun {
    display: none;
}

/* ===== Dark Mode ===== */
body:has(#theme-toggle:checked) {
    --color-primary: #3d8b74;
    --color-primary-light: #4a9e85;
    --color-primary-dark: #1a2e2a;
    --color-accent: #3d8b74;
    --color-accent-light: #4a9e85;
    --color-bg: #1e2a27;
    --color-bg-alt: #263833;
    --color-text: #e0e0e0;
    --color-text-light: #c0c0c0;
    --color-white: #ffffff;
    --color-border: #3a4f48;
    --color-error: #e74c3c;
    background-color: var(--color-bg);
    color: var(--color-text);
}

body:has(#theme-toggle:checked) .card,
body:has(#theme-toggle:checked) .blog-card,
body:has(#theme-toggle:checked) .contact-info,
body:has(#theme-toggle:checked) .subcard {
    background-color: var(--color-bg-alt);
}

body:has(#theme-toggle:checked) .form-group input,
body:has(#theme-toggle:checked) .form-group select,
body:has(#theme-toggle:checked) .form-group textarea {
    background-color: var(--color-bg-alt);
    color: var(--color-text);
}

body:has(#theme-toggle:checked) .site-header {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

body:has(#theme-toggle:checked) .nav-link {
    color: var(--color-text);
}

body:has(#theme-toggle:checked) .nav-link:hover,
body:has(#theme-toggle:checked) .nav-link.active {
    color: var(--color-white);
}

body:has(#theme-toggle:checked) .section {
    background-image: url("../images/bg-section-dark.81fda8052124.svg");
}

body:has(#theme-toggle:checked) .section-alt {
    background-image: url("../images/bg-pattern-dark.4e2be1a1cafc.svg");
}

body:has(#theme-toggle:checked) .site-footer {
    color: #e0e0e0;
}

body:has(#theme-toggle:checked) .site-footer p {
    color: #e0e0e0;
}

body:has(#theme-toggle:checked) .footer-nav a {
    color: #e0e0e0;
}

body:has(#theme-toggle:checked) .footer-nav a:hover {
    color: var(--color-white);
}

body:has(#theme-toggle:checked) .theme-toggle-moon {
    display: none;
}

body:has(#theme-toggle:checked) .theme-toggle-sun {
    display: inline;
}