* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --color-primary:   #374151;
    --color-primary-d: #1F2937;
    --color-light:     #F9FAFB;
    --color-dark:      #111827;
    --color-gray:      #D1D5DB;
    --color-text:      #111827;
    --header-background: #79aee0;
       
    --radius:          12px;
    --shadow-sm:       0 4px 12px rgba(0,0,0,0.08);
    --shadow-card:     0 6px 24px rgba(0,0,0,0.09);
    --transition:      all 0.28s ease;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    line-height: 1.6;
    color: var(--color-text);
    background: #fff;
}

input, textarea, button {
    margin: 0;
    font-family: inherit;
    font-size: inherit;
}

.header {
    padding-top: env(safe-area-inset-top, 1rem);
    position: relative;
    z-index: 10;
}

.banner-header {
    display: flex;
    justify-content: center;
    align-items: flex-end;
    background:var(--header-background);
    overflow: hidden;
    margin: 0;
    padding: 0;
}

.header-logo {
    width: 60%;
    height: auto;
    display: block;
    object-fit: contain;
    object-position: bottom;
}

.lang-switch {
    position: absolute;
    top: 1rem;
    right: 1rem;
    z-index: 2;
    display: flex;
    gap: 0.5rem;
}

.lang-btn {
    padding: 0.45rem 0.9rem;
    border: 2px solid white;
    background: transparent;
    color: white;
    font-weight: 600;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
}

.lang-btn[aria-pressed="true"],
.lang-btn:hover {
    background: white;
    color: var(--color-primary);
}

.nav {
    position: sticky;
    top: 0;
    background: var(--color-dark);
    padding: 0.8rem 1rem;
    display: flex;
    justify-content: center;
    gap: 1.8rem;
    flex-wrap: wrap;
    z-index: 100;
    box-shadow: 0 4px 10px rgba(0,0,0,0.15);
}

.nav a {
    color: white;
    text-decoration: none;
    font-weight: 600;
    padding: 0.4rem 0.8rem;
    border-radius: 6px;
    transition: var(--transition);
}

.nav a:hover,
.nav a:focus {
    background: rgba(255,255,255,0.15);
}

.hero {
    background: linear-gradient(135deg, #e0f7fa 0%, #b2ebf2 100%);
    text-align: center;
    padding: 3rem 1.5rem 5rem;
}

.hero-content {
    max-width: 780px;
    margin: 0 auto;
}

.hero h2 {
    font-size: clamp(2.1rem, 6vw, 3.4rem);
    margin-bottom: 1rem;
    line-height: 1.15;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    color: #334155;
}

.btn {
    display: inline-block;
    padding: 0.9rem 2rem;
    border-radius: var(--radius);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

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

.btn-primary:hover,
.btn-primary:focus {
    background: var(--color-primary-d);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0,109,119,0.3);
}

.section {
    padding: 5rem 1.5rem;
}

.section > * {
    max-width: 1100px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

.alt {
    background: var(--color-light);
}

h2 {
    font-size: 2.4rem;
    text-align: center;
    margin-bottom: 2.5rem;
    color: var(--color-primary);
}

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.8rem;
}

.card {
    background: white;
    padding: 2rem 1.5rem;
    border-radius: var(--radius);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-card);
}

.card-emoji {
    font-size: 3.2rem;
    margin-bottom: 1rem;
    line-height: 1;
}

.card h3 {
    font-size: 1.45rem;
    margin-bottom: 0.8rem;
    color: var(--color-primary);
}

.contact-section {
    background: linear-gradient(to bottom, var(--color-light), white);
}

.contact-subtitle {
    text-align: center;
    font-size: 1.15rem;
    color: #475569;
    margin-bottom: 2.5rem;
}

.contact-form {
    max-width: 580px;
    margin: 0 auto;
    display: grid;
    gap: 1.3rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.95rem 1.2rem;
    border: 1.5px solid #d1d5db;
    border-radius: var(--radius);
    font-size: 1rem;
    transition: border-color 0.25s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0,109,119,0.12);
}

.form-message {
    text-align: center;
    font-weight: 500;
    margin-top: 0.8rem;
    min-height: 1.5em;
}

.footer {
    background: var(--color-dark);
    color: white;
    text-align: center;
    padding: 2rem 1rem;
    margin-top: 3rem;
}

.footer a {
    color: white;
    font-weight: 500;
}

.footer a:hover,
.footer a:focus {
    color: #f0f0f0;
    text-decoration: underline;
}

.map-container {
    margin-top: 2rem;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
    background: white;
}

.map-container iframe {
    display: block;
    aspect-ratio: 16 / 9;
    height: auto !important;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.25s, text-decoration 0.25s;
}

a:hover,
a:focus {
    color: var(--color-primary-d);
    text-decoration: underline;
    outline: none;
}

a:active {
    color: var(--color-dark);
}

.whyChooseLi {
    list-style: none;
}
.whyChooseLi li::before {
    content: "✔️";
    margin-right: 8px;
    color: #166534;
}
@media (max-width: 768px) {
    .header-logo {
        width: 80%;
    }
}

@media (max-width: 640px) {
    .hero { padding-top: 3rem; padding-bottom: 4rem; }
    .section  { padding: 3.5rem 1rem; }
    h2 { font-size: 2rem; }
    .nav { gap: 1.2rem; font-size: 0.95rem; }
}

@media (max-width: 480px) {
    .header-logo {
        width: 90%;
        height: auto;
        object-fit: contain;
    }
}