/* ============================================
   iDfish Website v2026 — Stylesheet
   ============================================ */

/* --- CSS Variables --- */
:root {
    --color-primary: #0B3D91;
    --color-secondary: #1B6EC2;
    --color-accent: #00B4D8;
    --color-bg-light: #F0F7FF;
    --color-text-dark: #1A1A2E;
    --color-white: #FFFFFF;
    --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif;
    --max-width: 1100px;
    --radius: 8px;
    --shadow: 0 2px 12px rgba(11, 61, 145, 0.10);
    --transition: 0.3s ease;
}

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

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

body {
    font-family: var(--font-main);
    color: var(--color-text-dark);
    background: var(--color-white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

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

/* --- Container --- */
.container {
    width: 90%;
    max-width: var(--max-width);
    margin: 0 auto;
}

/* --- Header / Navbar --- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: var(--color-primary);
    z-index: 1000;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 0;
}

.navbar .logo {
    display: flex;
    align-items: center;
}

.navbar .logo img {
    height: 40px;
    width: auto;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 1.5rem;
}

.nav-links a {
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.95rem;
    font-weight: 500;
    padding: 0.25rem 0;
    position: relative;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--color-white);
}

.nav-links a::after {
    content: "";
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: width var(--transition);
}

.nav-links a:hover::after {
    width: 100%;
}

/* Mobile menu toggle */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-white);
    margin: 5px 0;
    transition: var(--transition);
    border-radius: 2px;
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* --- Hero Section --- */
.hero {
    background: url('../images/hero-bg.jpg') center top / cover no-repeat;
    color: var(--color-white);
    text-align: center;
    padding: 10rem 1rem 5rem;
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.3);
}

.hero-content {
    max-width: 700px;
    position: relative;
    z-index: 1;
}

.hero-logo {
    max-width: 263px;
    margin: 0 auto 1rem;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 0.75rem;
    letter-spacing: -1px;
}

.hero h1 span {
    color: var(--color-accent);
}

.hero .tagline {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: 2.5rem;
    font-weight: 400;
}

.download-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.download-buttons a {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--color-white);
    color: var(--color-primary);
    padding: 0.85rem 1.75rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    transition: transform var(--transition), box-shadow var(--transition);
}

.download-buttons a:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
    color: var(--color-primary);
}

.download-buttons svg {
    width: 22px;
    height: 22px;
    flex-shrink: 0;
}

/* --- Section Shared Styles --- */
section {
    padding: 5rem 1rem;
}

.section-title {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--color-primary);
}

.section-subtitle {
    text-align: center;
    color: #555;
    margin-bottom: 3rem;
    font-size: 1.05rem;
}

/* --- Features Section --- */
.features {
    background: var(--color-bg-light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.feature-card {
    background: var(--color-white);
    border-radius: var(--radius);
    padding: 2rem 1.5rem;
    box-shadow: var(--shadow);
    transition: transform var(--transition), box-shadow var(--transition);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(11, 61, 145, 0.15);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: var(--color-bg-light);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    color: var(--color-secondary);
}

.feature-icon svg {
    width: 24px;
    height: 24px;
}

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

.feature-card p {
    color: #555;
    font-size: 0.95rem;
    line-height: 1.55;
}

/* --- Pricing Section --- */
.pricing {
    text-align: center;
}

.pricing-card {
    max-width: 420px;
    margin: 0 auto;
    background: var(--color-white);
    border: 2px solid var(--color-accent);
    border-radius: var(--radius);
    padding: 3rem 2rem;
    box-shadow: var(--shadow);
}

.pricing-card .price {
    font-size: 3rem;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: 0.25rem;
}

.pricing-card .price-period {
    color: #555;
    font-size: 1rem;
    margin-bottom: 1rem;
}

.pricing-card .price-badge {
    display: inline-block;
    background: var(--color-accent);
    color: var(--color-white);
    padding: 0.35rem 1rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.pricing-features {
    list-style: none;
    text-align: left;
    margin-bottom: 2rem;
}

.pricing-features li {
    padding: 0.4rem 0;
    font-size: 0.95rem;
    color: #444;
}

.pricing-features li::before {
    content: "\2713";
    color: var(--color-accent);
    font-weight: 700;
    margin-right: 0.5rem;
}

.btn-primary {
    display: inline-block;
    background: var(--color-primary);
    color: var(--color-white);
    padding: 0.85rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    transition: background var(--transition), transform var(--transition);
}

.btn-primary:hover {
    background: var(--color-secondary);
    color: var(--color-white);
    transform: translateY(-2px);
}

/* --- Support / Contact Section --- */
.support {
    background: var(--color-bg-light);
}

.support-form {
    max-width: 600px;
    margin: 0 auto;
    background: var(--color-white);
    padding: 2.5rem 2rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.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-text-dark);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid #ccd5e0;
    border-radius: var(--radius);
    font-size: 1rem;
    font-family: var(--font-main);
    transition: border-color var(--transition), box-shadow var(--transition);
    background: var(--color-white);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(0, 180, 216, 0.15);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-message {
    text-align: center;
    padding: 0.75rem;
    border-radius: var(--radius);
    margin-bottom: 1.25rem;
    font-weight: 500;
    font-size: 0.95rem;
}

.form-message.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.form-message.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* --- Footer --- */
.site-footer {
    background: var(--color-primary);
    color: rgba(255, 255, 255, 0.75);
    text-align: center;
    padding: 2.5rem 1rem;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    list-style: none;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.75);
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: var(--color-white);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.social-links a {
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition);
}

.social-links a:hover {
    color: var(--color-accent);
}

.social-links svg {
    width: 22px;
    height: 22px;
}

.site-footer p {
    font-size: 0.85rem;
    opacity: 0.7;
}

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

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--color-primary);
        flex-direction: column;
        padding: 1rem 0;
        gap: 0;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    }

    .nav-links.open {
        display: flex;
    }

    .nav-links li {
        text-align: center;
    }

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

    .nav-links a::after {
        display: none;
    }

    .hero {
        padding: 8rem 1rem 4rem;
        min-height: auto;
    }

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

    .hero .tagline {
        font-size: 1.05rem;
    }

    section {
        padding: 3.5rem 1rem;
    }

    .section-title {
        font-size: 1.6rem;
    }

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

    .support-form {
        padding: 1.5rem 1.25rem;
    }

    .pricing-card {
        padding: 2rem 1.5rem;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.7rem;
    }

    .download-buttons a {
        width: 100%;
        justify-content: center;
        padding: 0.75rem 1.25rem;
    }
}