:root {
    --color-primary: #0d6efd;
    --color-primary-soft: #e6f0ff;
    --color-accent: #f4b000;
    --color-bg: #ffffff;
    --color-bg-alt: #f8f9fb;
    --color-text: #222222;
    --color-muted: #666666;
    --shadow-soft: 0 8px 20px rgba(0, 0, 0, 0.08);
    --radius-lg: 16px;
    --radius-md: 12px;
    --radius-sm: 8px;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background-color: var(--color-bg);
    color: var(--color-text);
}

.container {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 16px;
}

/* Header */

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    gap: 12px;
    flex-wrap: wrap;
}

.logo {
    font-weight: 800;
    font-size: 1.2rem;
    color: var(--color-primary);
    letter-spacing: 0.03em;
}

.main-nav {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.main-nav a {
    text-decoration: none;
    font-size: 0.9rem;
    color: var(--color-muted);
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    transition: 0.2s ease;
}

.main-nav a:hover {
    color: var(--color-primary);
    background-color: var(--color-primary-soft);
}

.lang-switch {
    display: flex;
    gap: 4px;
}

.lang-switch button {
    border: 1px solid rgba(0, 0, 0, 0.1);
    background: #ffffff;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: 0.2s ease;
}

.lang-switch button.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #ffffff;
}

/* Hero */

.hero {
    position: relative;
    color: #ffffff;
    padding: 70px 0 85px;
}

.hero-bg {
    background-image: url("../assets/Lion_and_Sun.svg");
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.hero .overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(5, 15, 40, 0.9), rgba(5, 15, 40, 0.82));
    z-index: 0;
}

.hero-inner {
    position: relative;
    z-index: 2;
}

.hero-text h1 {
    font-size: 2rem;
    margin: 0 0 16px;
}

.hero-subtitle {
    font-size: 1rem;
    color: #e4e9fc;
    margin-bottom: 16px;
}

.hero-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 12px;
}

.hero-note {
    font-size: 0.9rem;
    max-width: 520px;
    color: #d8dcf7;
}

/* Buttons */

.btn {
    display: inline-flex;
    padding: 10px 18px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    cursor: pointer;
}

.btn-primary {
    background-color: var(--color-accent);
    color: #1b1b1b;
    box-shadow: var(--shadow-soft);
}

.btn-primary:hover {
    opacity: 0.95;
}

.btn-outline {
    border: 1px solid #ffffff;
    color: #ffffff;
}

.btn-outline:hover {
    background-color: rgba(255, 255, 255, 0.12);
}

/* Sections / cards */

.section {
    padding: 40px 0;
}

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

.cards-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    margin-top: 20px;
}

.card {
    background-color: #ffffff;
    padding: 16px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-soft);
}

.card h3 {
    margin: 0 0 8px;
    font-size: 1rem;
    color: var(--color-primary);
}

/* Parallax sections */

.parallax {
    position: relative;
    background-size: cover;
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-position: top center;
    min-height: 80vh;
    display: flex;
    align-items: flex-end;
}

.parallax-ferdowsi {
    background-image: url("../assets/Ferdowsi_Statue.jpg");
}

.parallax-shir {
    background-image: url("../assets/Shir-o-khorshid-flag-1024x586-1.png");
}

.parallax-shahnameh {
    background-image: url("../assets/The_Court_of_Gayumars.jpg");
}

.parallax-overlay {
    width: 100%;
    padding: 24px 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.55), rgba(0, 0, 0, 0.2));
}

.parallax-caption {
    color: #ffffff;
    font-size: 1rem;
    max-width: 700px;
}

/* Contact */

.section-cta {
    background: linear-gradient(135deg, #0d6efd, #0096c7, #00b4d8);
    color: white;
    text-align: center;
}

.contact-inner {
    max-width: 720px;
}

.contact-images {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-top: 16px;
    flex-wrap: wrap;
}

.contact-img {
    max-width: 260px;
    width: 100%;
    border-radius: var(--radius-md);
}

/* Footer */

.site-footer {
    padding: 16px 0 24px;
    background: #f5f5f5;
    text-align: center;
    color: #555;
    font-size: 0.85rem;
}

.footer-inner {
    margin-bottom: 4px;
}

.footer-inner a {
    color: #0d6efd;
    text-decoration: none;
    font-weight: 600;
}

.footer-inner a:hover {
    text-decoration: underline;
}

/* Responsive */

@media (max-width: 900px) {
    .cards-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {

    .hero-bg,
    .parallax {
        background-attachment: scroll;
    }

    .parallax {
        min-height: 55vh;
    }

    .hero-text h1 {
        font-size: 1.6rem;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 50px 0 60px;
    }
}