/* ===== FONTS ===== */
@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url('fonts/Inter-400.ttf') format('truetype');
}
@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 700;
    font-display: swap;
    src: url('fonts/Inter-700.ttf') format('truetype');
}

/* ===== VARIABLES ===== */
:root {
    --bg-primary: #0a0a12;
    --bg-secondary: #12121e;
    --bg-card: #16162a;
    --text-primary: #e8e8f0;
    --text-secondary: #a0a0b8;
    --text-muted: #6c6c88;
    --accent-blue: #48cae4;
    --accent-blue-dark: #0096c7;
    --accent-purple-light: #9d4edd;
    --border-color: #1e2a3a;
    --radius: 12px;
    --radius-sm: 6px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

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

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

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

/* ===== NAVBAR ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: #0a0a12;
    border-bottom: 1px solid var(--border-color);
    padding: 0 20px;
}

.nav-container {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text-primary);
}

.nav-logo:hover {
    color: var(--accent-blue);
}

.nav-morpho {
    object-fit: contain;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-links a {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.nav-links a:hover {
    color: var(--text-primary);
}

/* ===== LANG SWITCHER ===== */
.lang-switcher {
    position: relative;
    margin-left: 20px;
}

.lang-select {
    display: none;
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 4px 8px;
    font-size: 0.85rem;
    font-family: inherit;
    cursor: pointer;
    margin-left: 12px;
}

.lang-trigger {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font: inherit;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: border-color 0.15s ease, color 0.15s ease;
}

.lang-trigger:hover,
.lang-trigger[aria-expanded="true"] {
    border-color: var(--accent-blue);
    color: var(--accent-blue);
}

.lang-trigger-caret {
    transition: transform 0.18s ease;
}

.lang-trigger[aria-expanded="true"] .lang-trigger-caret {
    transform: rotate(180deg);
}

.lang-menu {
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    min-width: 180px;
    max-height: 70vh;
    overflow-y: auto;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 4px;
    margin: 0;
    list-style: none;
    z-index: 200;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

.lang-menu li {
    list-style: none;
}

.lang-option {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 8px 10px;
    background: none;
    border: 0;
    border-radius: 4px;
    color: var(--text-primary);
    font: inherit;
    font-size: 0.9rem;
    text-align: left;
    cursor: pointer;
}

.lang-option:hover {
    background: var(--bg-secondary);
    color: var(--accent-blue);
}

.lang-option.active {
    background: var(--accent-blue-dark);
    color: white;
}

.lang-option.active .lang-code {
    color: white;
}

.lang-code {
    display: inline-block;
    min-width: 26px;
    color: var(--text-muted);
    font-weight: 700;
    font-size: 0.78rem;
    letter-spacing: 0.5px;
}

.lang-name {
    flex: 1;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
}

/* ===== HERO ===== */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 100px 20px 60px;
}

.hero-bg {
    display: none;
}

.butterfly-container {
    margin-bottom: 32px;
}

.hero-butterfly {
    max-width: 250px;
    height: auto;
}

.hero-content {
    position: relative;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 12px;
    color: var(--accent-blue);
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.hero-tagline {
    font-size: 1rem;
    color: var(--text-muted);
    font-style: italic;
    margin-bottom: 32px;
}

.btn-primary {
    display: inline-block;
    padding: 12px 32px;
    background: var(--accent-blue-dark);
    color: white;
    font-weight: 700;
    font-size: 1rem;
    border-radius: 6px;
    border: none;
    cursor: pointer;
}

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

.hero-apps-icons {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 24px;
    flex-wrap: wrap;
}

.hero-apps-icons a {
    color: var(--text-muted);
    font-size: 0.85rem;
    padding: 4px 14px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
}

.hero-apps-icons a:hover {
    border-color: var(--accent-blue);
    color: var(--accent-blue);
}

.scroll-indicator {
    display: none;
}

/* ===== SECTIONS ===== */
.section {
    padding: 80px 0;
}

.section-title {
    font-size: 2.2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 8px;
    color: var(--accent-blue);
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 48px;
}

.apps-notice {
    max-width: 800px;
    margin: 0 auto 48px;
    padding: 20px 24px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.apps-notice-icon {
    flex-shrink: 0;
}

.apps-notice p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

.new-project {
    text-align: center;
    padding: 48px 20px;
    background: var(--bg-secondary);
    border: 2px dashed var(--border-color);
    border-radius: var(--radius);
}

.new-project h3 {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--accent-blue);
}

.new-project p {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 24px;
}

.btn-new-project {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 32px;
    background: var(--accent-blue-dark);
    color: white;
    font-weight: 700;
    font-size: 1rem;
    border-radius: 6px;
}

.btn-new-project:hover {
    color: white;
    background: var(--accent-blue);
}

/* ===== APP CARDS ===== */
.app-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 36px;
    align-items: center;
    margin-bottom: 60px;
    padding: 32px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
}

.app-card:hover {
    border-color: var(--accent-blue);
}

.app-card.reverse {
    direction: rtl;
}

.app-card.reverse > * {
    direction: ltr;
}

.app-card.no-screenshot {
    grid-template-columns: 1fr;
}

.app-coming-soon {
    margin-left: 10px;
    padding: 3px 10px;
    background: rgba(157, 78, 221, 0.15);
    color: var(--accent-purple-light);
    border: 1px solid rgba(157, 78, 221, 0.4);
    border-radius: 999px;
    font-size: 0.7em;
    font-weight: 600;
    vertical-align: middle;
    white-space: nowrap;
}

.app-screenshot {
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.app-screenshot img {
    display: block;
    width: 100%;
}

.app-wip {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 200px;
    background: var(--bg-secondary);
}

.wip-placeholder {
    text-align: center;
    color: var(--text-muted);
}

.wip-placeholder span {
    display: block;
    margin-top: 12px;
    font-size: 0.95rem;
    font-style: italic;
}

.app-badge {
    display: inline-block;
    padding: 3px 12px;
    background: var(--bg-secondary);
    color: var(--accent-blue);
    font-size: 0.8rem;
    font-weight: 700;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.wip-badge {
    color: var(--accent-purple-light);
}

.app-info h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.app-version {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 14px;
}

.app-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 16px;
}

.app-notice {
    padding: 10px 14px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-left: 3px solid var(--accent-blue);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 16px;
}

.app-notice strong {
    color: var(--accent-blue);
}

.app-features {
    list-style: none;
    margin-bottom: 24px;
}

.app-features li {
    padding-left: 16px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 4px;
    position: relative;
}

.app-features li::before {
    content: '\2022';
    position: absolute;
    left: 0;
    color: var(--accent-blue);
}

.btn-download {
    display: inline-block;
    padding: 8px 24px;
    border: 1px solid var(--accent-blue);
    color: var(--accent-blue);
    border-radius: 4px;
    font-weight: 700;
    font-size: 0.9rem;
}

.btn-download:hover {
    background: var(--accent-blue);
    color: var(--bg-primary);
}

.app-buttons {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.btn-paypal {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 20px;
    background: #0a1a2e;
    color: #0070ba;
    border: 1px solid #0070ba;
    border-radius: 4px;
    font-weight: 700;
    font-size: 0.9rem;
}

.btn-paypal:hover {
    background: #0070ba;
    color: white;
}

.btn-paypal svg {
    flex-shrink: 0;
}

.btn-coming-soon {
    display: inline-block;
    padding: 8px 24px;
    border: 1px solid var(--text-muted);
    color: var(--text-muted);
    border-radius: 4px;
    font-size: 0.9rem;
    font-style: italic;
}

/* ===== ABOUT ===== */
.about-photo {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    overflow: hidden;
    border: 2px solid var(--accent-blue);
    flex-shrink: 0;
}

.about-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 50%;
}

.about-content {
    display: grid;
    grid-template-columns: auto 2fr 1fr;
    gap: 36px;
    align-items: center;
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 14px;
    font-size: 0.95rem;
}

.about-text strong {
    color: var(--accent-blue);
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.stat {
    text-align: center;
    padding: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-blue);
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ===== CONTACT ===== */
.section-contact {
    background: var(--bg-secondary);
}

.contact-links {
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
}

.contact-grid {
    display: grid;
    grid-template-columns: minmax(220px, 1fr) minmax(320px, 2fr);
    gap: 32px;
    align-items: stretch;
    max-width: 900px;
    margin: 0 auto;
}

.contact-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 28px 32px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    text-align: center;
    min-width: 200px;
}

.contact-card:hover {
    border-color: var(--accent-blue);
}

.contact-card h4 {
    color: var(--text-primary);
    font-size: 1rem;
}

.contact-card p {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.contact-form {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 28px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.hp-field {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    opacity: 0;
}

.form-row {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-row label {
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
}

.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form textarea {
    width: 100%;
    padding: 10px 12px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font: inherit;
    font-size: 0.95rem;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

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

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 2px rgba(72, 202, 228, 0.18);
}

.form-submit {
    align-self: flex-start;
    padding: 11px 24px;
    background: var(--accent-blue);
    color: var(--bg-primary);
    border: 0;
    border-radius: var(--radius-sm);
    font: inherit;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s ease, transform 0.15s ease;
}

.form-submit:hover:not(:disabled) {
    background: var(--accent-blue-dark);
    color: var(--text-primary);
}

.form-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.form-status {
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
}

.form-status.sending {
    background: rgba(72, 202, 228, 0.1);
    color: var(--accent-blue);
    border: 1px solid rgba(72, 202, 228, 0.3);
}

.form-status.success {
    background: rgba(80, 200, 120, 0.12);
    color: #7adfa3;
    border: 1px solid rgba(80, 200, 120, 0.35);
}

.form-status.error {
    background: rgba(230, 90, 90, 0.12);
    color: #f08080;
    border: 1px solid rgba(230, 90, 90, 0.35);
}

.contact-link {
    color: var(--accent-blue);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.contact-link:hover {
    color: var(--accent-blue-dark);
}

/* ===== FOOTER ===== */
.footer {
    padding: 24px 0;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    color: var(--text-secondary);
}

.footer-text {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ===== BACK TO TOP ===== */
.back-to-top {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 40px;
    height: 40px;
    background: var(--accent-blue-dark);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    z-index: 999;
}

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

.back-to-top:hover {
    background: var(--accent-blue);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
    .app-card {
        grid-template-columns: 1fr;
        gap: 24px;
        padding: 24px;
    }

    .app-card.reverse {
        direction: ltr;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 32px;
        justify-items: center;
    }

    .about-photo {
        width: 130px;
        height: 130px;
    }

    .about-stats {
        flex-direction: row;
    }

    .stat {
        flex: 1;
    }
}

@media (max-width: 640px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: #0a0a12;
        padding: 20px;
        gap: 16px;
        border-bottom: 1px solid var(--border-color);
    }

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

    .nav-toggle {
        display: flex;
    }

    .nav-container {
        flex-wrap: wrap;
        height: auto;
        padding-top: 8px;
        padding-bottom: 8px;
    }

    .nav-logo {
        order: 1;
    }

    .nav-toggle {
        order: 2;
        margin-left: auto;
    }

    .lang-switcher {
        display: none;
    }

    .lang-select {
        display: block;
        order: 3;
        width: 100%;
        margin: 6px 0 0 0;
        font-size: 0.85rem;
        padding: 5px 8px;
    }

    .about-stats {
        flex-direction: column;
    }

    .footer-content {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }

    .hero {
        padding: 90px 20px 40px;
    }

    .butterfly-container {
        margin-bottom: 20px;
    }

    .hero-butterfly {
        width: 160px;
        height: auto;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

    .contact-links {
        flex-direction: column;
        align-items: center;
    }

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