/* --- Yangi yorqin (Light) tema --- */

/* Ranglar palitrasi */
:root {
    --accent-primary: #6a11cb;
    --accent-secondary: #2575fc;
    --primary-bg: #f4f7fa;     /* Asosiy fon (juda och kulrang) */
    --secondary-bg: #ffffff;   /* Kartalar foni (oq) */
    --text-color: #1a202c;     /* Asosiy matn (to'q) */
    --text-muted: #5a657d;     /* Ikkilamchi matn (kulrang) */
    --border-color: #e2e8f0;   /* Chegara (och kulrang) */
    --success-color: #00c853;
    --error-color: #ff5252;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--primary-bg);
    color: var(--text-color);
    line-height: 1.6;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

/* --- Header --- */
header {
    background-color: var(--secondary-bg);
    padding: 20px 0;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.02);
}

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

/* Logotip gradientini saqlab qolamiz */
.logo {
    font-size: 1.8rem;
    font-weight: 700;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

nav a {
    color: var(--text-muted);
    text-decoration: none;
    margin-left: 20px;
    font-weight: 500;
    transition: color 0.3s ease;
}

nav a:hover,
nav a:focus {
    color: var(--accent-secondary);
}

/* --- Gamburger Menyu Tugmasi --- */
.nav-toggle {
    display: none; /* Desktopda ko'rinmaydi */
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 1001;
}
.hamburger {
    display: block;
    position: relative;
    width: 24px;
    height: 2px;
    background-color: var(--text-color);
    transition: background-color 0.2s ease-in-out;
}
.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--text-color);
    transition: transform 0.3s ease-in-out;
}
.hamburger::before {
    top: -8px;
}
.hamburger::after {
    bottom: -8px;
}

/* Ochilgan holatdagi gamburger (X belgisi) */
.nav-open .hamburger {
    background-color: transparent;
}
.nav-open .hamburger::before {
    transform: translateY(8px) rotate(45deg);
}
.nav-open .hamburger::after {
    transform: translateY(-8px) rotate(-45deg);
}


/* --- Hero Section --- */
.hero {
    text-align: center;
    padding: 80px 20px 60px 20px;
    background-color: var(--primary-bg);
}

.hero h1 {
    font-size: 3rem;
    color: var(--text-color);
    margin-bottom: 10px;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* --- Umumiy Section stillari --- */
section {
    padding: 40px 0;
}

section h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 10px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

section > .container > p {
    text-align: center;
    color: var(--text-muted);
    max-width: 700px;
    margin: 0 auto 30px auto;
    font-size: 1.1rem;
}

/* --- Yangi Karta (Card) stili --- */
.card {
    background: var(--secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.card.center-content {
    text-align: center;
}
.card.center-content p {
    margin-bottom: 15px;
}

/* --- Forma elementlari --- */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-color);
}

input[type="tel"],
textarea,
select,
input[type="file"] {
    width: 100%;
    padding: 12px;
    background-color: var(--primary-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-color);
    font-size: 1rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

input[type="tel"]:focus,
textarea:focus,
select:focus,
input[type="file"]:focus {
    outline: none;
    border-color: var(--accent-secondary);
    box-shadow: 0 0 0 3px rgba(37, 117, 252, 0.15);
}

input[type="file"] {
    padding: 10px;
}
input[type="file"]::-webkit-file-upload-button {
    background: var(--secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 5px 10px;
    cursor: pointer;
    margin-right: 10px;
}

/* --- STT Karta UX Yaxshilanishlari --- */
.stt-mode-selector {
    display: flex;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 25px;
}
.stt-mode-btn {
    flex: 1;
    padding: 12px 15px;
    font-size: 1rem;
    font-weight: 500;
    background-color: var(--primary-bg);
    color: var(--text-muted);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: background-color 0.3s, color 0.3s;
}
.stt-mode-btn:first-child {
    border-right: 1px solid var(--border-color);
}
.stt-mode-btn:hover {
    background-color: #e9eef3;
}
.stt-mode-btn.active {
    background-color: var(--secondary-bg);
    color: var(--accent-secondary);
    font-weight: 600;
}
.stt-mode-btn svg {
    width: 20px;
    height: 20px;
}

.stt-input-container {
    margin-bottom: 20px;
}

/* Fayl yuklash maydoni */
#stt-file-container input[type="file"] {
    display: none;
}
.file-upload-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    border: 2px dashed var(--border-color);
    border-radius: 10px;
    background-color: var(--primary-bg);
    cursor: pointer;
    text-align: center;
    transition: border-color 0.3s, background-color 0.3s;
}
.file-upload-label:hover,
.file-upload-label.dragover {
    border-color: var(--accent-secondary);
    background-color: #e9eef3;
}
.file-upload-label svg {
    width: 32px;
    height: 32px;
    color: var(--accent-secondary);
    margin-bottom: 10px;
}
.file-upload-label span {
    font-weight: 500;
    color: var(--text-color);
}
.file-upload-label small {
    color: var(--text-muted);
    margin-top: 5px;
}

/* Ovoz yozish maydoni */
#stt-mic-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px;
    width: 100%;
}
.record-btn-large {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: none;
    background: linear-gradient(145deg, #e2e8f0, #ffffff);
    box-shadow: 5px 5px 10px #d1d9e6, -5px -5px 10px #ffffff;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all 0.3s ease;
    color: var(--accent-primary);
}
.record-btn-large:hover {
    box-shadow: 2px 2px 5px #d1d9e6, -2px -2px 5px #ffffff;
}
.record-btn-large.is-recording {
    background: #ff5252;
    color: white;
    box-shadow: 0 0 15px rgba(255, 82, 82, 0.6);
    animation: pulse-record 1.5s infinite;
}
.record-status {
    margin-top: 15px;
    min-height: 20px;
    font-size: 1rem;
    color: var(--text-muted);
    text-align: center;
}

@keyframes pulse-record {
    0% { box-shadow: 0 0 0 0 rgba(255, 82, 82, 0.7); }
    70% { box-shadow: 0 0 0 15px rgba(255, 82, 82, 0); }
    100% { box-shadow: 0 0 0 0 rgba(255, 82, 82, 0); }
}


textarea {
    resize: vertical;
}

button[type="submit"] {
    display: inline-block;
    width: 100%;
    padding: 14px;
    font-size: 1.1rem;
    font-weight: 600;
    color: #fff;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

button[type="submit"]:hover {
    opacity: 0.9;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

button[type="submit"]:disabled {
    background: var(--text-muted);
    cursor: not-allowed;
    opacity: 0.7;
}

/* --- Call Center --- */
.phone-number {
    display: inline-block;
    background-color: var(--primary-bg);
    border: 1px solid var(--border-color);
    padding: 15px 30px;
    border-radius: 8px;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-color);
    margin-top: 10px;
    letter-spacing: 1px;
}

/* --- Call Center Callback Form --- */
.divider {
    border: none;
    height: 1px;
    background-color: var(--border-color);
    margin: 30px auto;
    width: 80%;
}
.callback-form {
    max-width: 400px;
    margin: 15px auto 0 auto;
}
.callback-form .form-group {
    margin-bottom: 15px;
}
.callback-form input[type="tel"] {
    text-align: center;
    font-size: 1.2rem;
}
.callback-form button {
    width: 100%;
}


/* --- Utility (Xabarlar) --- */
.loading {
    text-align: center;
    margin-top: 15px;
    color: var(--accent-secondary);
    font-weight: 500;
    display: none; /* JS orqali ko'rsatiladi */
}

.error {
    text-align: center;
    margin-top: 15px;
    color: var(--error-color);
    background-color: rgba(255, 82, 82, 0.1);
    border: 1px solid rgba(255, 82, 82, 0.3);
    padding: 12px;
    border-radius: 8px;
    display: none; /* JS orqali ko'rsatiladi */
}

.success {
    text-align: center;
    margin-top: 15px;
    color: var(--success-color);
    background-color: rgba(0, 200, 83, 0.1);
    border: 1px solid rgba(0, 200, 83, 0.3);
    padding: 12px;
    border-radius: 8px;
    display: none; /* JS orqali ko'rsatiladi */
}

/* --- Footer --- */
footer {
    text-align: center;
    padding: 30px 0;
    background-color: var(--secondary-bg);
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    margin-top: 40px;
}

/* --- Responsive Dizayn --- */
@media (max-width: 768px) {
    body {
        font-size: 15px;
    }

    .container {
        padding: 0 15px;
    }

    /* Header (Mobil) */
    header.nav-open {
        background-color: var(--secondary-bg);
    }
    .nav-toggle {
        display: block;
    }
    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--secondary-bg);
        border-bottom: 1px solid var(--border-color);
        
        display: flex;
        flex-direction: column;
        align-items: center;
        padding: 10px 0;

        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: transform 0.3s ease-out, opacity 0.3s ease-out;
    }
    .nav-open .nav-links {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }
    .nav-links a {
        margin: 0;
        padding: 15px 20px;
        width: 100%;
        text-align: center;
    }
    .nav-links a:hover {
        background-color: var(--primary-bg);
    }

    /* Eski header stillarini olib tashlash */
    header .container {
        flex-direction: row; /* Qaytarib qo'yamiz */
        gap: 0;
    }
    nav {
        width: auto;
        display: block;
        flex-wrap: nowrap;
        gap: 0;
    }
    nav a {
        margin-left: 20px;
    }

    /* Tipografiya */
    .logo {
        font-size: 1.6rem;
    }
    .hero h1 {
        font-size: 2.2rem;
    }
    .hero p {
        font-size: 1.1rem;
    }
    section h2 {
        font-size: 2rem;
    }
    section > .container > p {
        font-size: 1rem;
    }

    /* Section va Cardlar */
    .hero {
        padding: 50px 15px 40px 15px;
    }
    section {
        padding: 30px 0;
    }
    .card {
        padding: 20px;
    }

    /* STT Karta */
    .stt-mode-selector {
        flex-direction: column;
    }
    .stt-mode-btn:first-child {
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }
    .file-upload-label {
        padding: 30px 15px;
    }

    /* Call Center */
    .phone-number {
        font-size: 1.2rem;
        padding: 12px 20px;
        letter-spacing: 0.5px;
    }
    .callback-form {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.8rem;
    }
    section h2 {
        font-size: 1.7rem;
    }
    .card {
        padding: 15px;
    }
    .form-group label {
        font-size: 0.9rem;
    }
    input[type="tel"], textarea, select, input[type="file"], button[type="submit"] {
        padding: 10px;
        font-size: 0.95rem;
    }
    .record-btn-large {
        width: 70px;
        height: 70px;
    }
}