/* ===========================
   CSS Variables & Reset
   =========================== */
:root {
    --bg-color: #FFFFFF;
    --primary-text: #0A2540;
    --accent-color: #D4AF37;
    --accent-hover: #C5A028;
    --accent-gradient: linear-gradient(135deg, #D4AF37 0%, #F4D03F 100%);
    --secondary-bg: #F8F9FA;
    --border-color: #E5E7EB;
    --success-color: #10B981;
    --error-color: #EF4444;
    --card-shadow: 0 4px 6px rgba(10, 37, 64, 0.05), 0 10px 15px rgba(10, 37, 64, 0.1);
    --card-shadow-hover: 0 15px 30px rgba(10, 37, 64, 0.15);
    --radius: 12px;
    --radius-sm: 8px;
    --transition: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Vazirmatn', sans-serif;
    background-color: var(--bg-color);
    color: var(--primary-text);
    line-height: 2;
    overflow-x: hidden;
}

/* ===========================
   Typography
   =========================== */
h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.4;
    letter-spacing: -0.02em;
}

h1 {
    font-size: clamp(2rem, 5vw, 3rem);
}

h1::after,
h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #D4AF37, #E8B4B8);
    margin: 1rem auto;
    border-radius: 2px;
}

.hero h1::after,
.proposal-header h1::after {
    margin: 1rem auto;
}

h2 {
    font-size: clamp(1.3rem, 3vw, 1.8rem);
    margin-bottom: 1rem;
}

h3 {
    font-size: 1.1rem;
}

p {
    font-size: clamp(0.95rem, 2vw, 1.05rem);
    margin-bottom: 1.5rem;
}

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

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

/* ===========================
   Layout
   =========================== */
.container {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1rem;
}

section {
    padding: 3rem 0;
}

.section-alt {
    background-color: var(--secondary-bg);
    background-image: radial-gradient(circle at 20% 50%, rgba(212, 175, 55, 0.03) 0%, transparent 50%),
                      radial-gradient(circle at 80% 50%, rgba(232, 180, 184, 0.03) 0%, transparent 50%);
}

/* ===========================
   Hero Section
   =========================== */
.hero {
    text-align: center;
    padding: 4rem 0 3rem;
    background: linear-gradient(135deg, #FFFFFF 0%, #F8F9FA 50%, #E8B4B8 100%);
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 70%, rgba(212, 175, 55, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.hero h1 {
    margin-bottom: 1rem;
    color: var(--primary-text);
}

.hero p {
    max-width: 640px;
    margin: 0 auto 2rem;
    color: #4A5568;
    font-size: clamp(1rem, 2.2vw, 1.15rem);
}

/* ===========================
   Buttons
   =========================== */
.btn {
    display: inline-block;
    padding: 0.85rem 2rem;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--accent-gradient);
    color: #fff;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(212, 175, 55, 0.4);
}

.btn-outline {
    background-color: transparent;
    color: var(--accent-color);
    border: 2px solid var(--accent-color);
}

.btn-outline:hover {
    background: var(--accent-gradient);
    color: #fff;
    border-color: transparent;
}

/* ===========================
   Value Proposition Cards
   =========================== */
.cards-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
}

.card {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--card-shadow);
    transition: all 0.4s ease;
}

.card:hover {
    box-shadow: var(--card-shadow-hover);
    transform: translateY(-5px) scale(1.02);
}

.card-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-gradient);
    border-radius: 50%;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.card h3 {
    margin-bottom: 0.5rem;
    color: var(--primary-text);
}

.card p {
    color: #4A5568;
    font-size: 0.95rem;
    margin-bottom: 0;
}

/* ===========================
   Numbers Section
   =========================== */
.numbers-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
    text-align: center;
}

.number-item {
    padding: 1.5rem 1rem;
    background: var(--bg-color);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    box-shadow: var(--card-shadow);
    transition: all 0.4s ease;
}

.number-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--card-shadow-hover);
}

.number-value {
    font-size: clamp(2rem, 5vw, 2.8rem);
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 0.35rem;
}

.number-label {
    font-size: 0.85rem;
    color: #4A5568;
}

/* ===========================
   Form
   =========================== */
.form-section {
    background: var(--bg-color);
    border-radius: var(--radius);
    padding: 2rem 1.5rem;
    box-shadow: var(--card-shadow);
    max-width: 560px;
    margin: 0 auto;
}

.form-section h2::after {
    margin: 1rem auto 0;
}

.form-section h2 {
    text-align: center;
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.4rem;
    color: var(--primary-text);
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 0.75rem 1rem;
    font-family: inherit;
    font-size: 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-color);
    color: var(--primary-text);
    transition: all var(--transition);
    appearance: none;
    -webkit-appearance: none;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.15);
}

.form-group select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%230A2540' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: left 1rem center;
    padding-left: 1rem;
}

[dir="rtl"] .form-group select {
    background-position: right 1rem center;
}

/* Honeypot - hidden from users */
.hp-field {
    position: absolute;
    left: -9999px;
    opacity: 0;
    height: 0;
    width: 0;
    overflow: hidden;
}

.form-message {
    text-align: center;
    padding: 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    margin-top: 1rem;
    display: none;
}

.form-message.success {
    display: block;
    background: #ECFDF5;
    color: #065F46;
    border: 1px solid #A7F3D0;
}

.form-message.error {
    display: block;
    background: #FEF2F2;
    color: #991B1B;
    border: 1px solid #FECACA;
}

/* ===========================
   Success Screen
   =========================== */
.success-screen {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.success-content {
    text-align: center;
    max-width: 500px;
    padding: 3rem;
    background: var(--bg-color);
    border-radius: var(--radius);
    box-shadow: var(--card-shadow);
}

.success-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 2rem;
    background: linear-gradient(135deg, #10B981 0%, #34D399 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: white;
    animation: scaleIn 0.5s ease-out;
}

@keyframes scaleIn {
    from {
        transform: scale(0);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.success-content h2 {
    color: var(--primary-text);
    margin-bottom: 1rem;
}

.success-content h2::after {
    margin: 1rem auto;
}

.success-content p {
    color: #4A5568;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.success-note {
    font-size: 0.95rem;
    color: #718096;
    margin-bottom: 2rem;
}

/* ===========================
   Proposal Page
   =========================== */
.proposal-header {
    text-align: center;
    padding: 3rem 0 2rem;
    background: linear-gradient(135deg, #FFFFFF 0%, #F8F9FA 50%, #E8B4B8 100%);
}

.proposal-header h1 {
    margin-bottom: 0.5rem;
}

.content-block {
    margin-bottom: 2.5rem;
}

.content-block h2 {
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--accent-color);
    display: inline-block;
}

.content-block ul {
    list-style: none;
    padding: 0;
}

.content-block ul li {
    padding: 0.4rem 0;
    padding-right: 1.5rem;
    position: relative;
    font-size: 0.95rem;
}

[dir="rtl"] .content-block ul li {
    padding-right: 0;
    padding-left: 1.5rem;
}

.content-block ul li::before {
    content: "✦";
    position: absolute;
    right: 0;
    color: var(--accent-color);
    font-size: 0.8rem;
}

[dir="rtl"] .content-block ul li::before {
    right: auto;
    left: 0;
}

/* Table */
.data-table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
    font-size: 0.95rem;
}

.data-table th,
.data-table td {
    padding: 0.75rem 1rem;
    text-align: right;
    border-bottom: 1px solid var(--border-color);
}

[dir="rtl"] .data-table th,
[dir="rtl"] .data-table td {
    text-align: right;
}

.data-table th {
    background: var(--secondary-bg);
    font-weight: 600;
    color: var(--primary-text);
}

.data-table tr:hover td {
    background: rgba(212, 175, 55, 0.05);
}

/* ===========================
   Tabs (Floors)
   =========================== */
.tabs-container {
    margin: 1.5rem 0;
}

.tabs-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.tab-btn {
    padding: 0.6rem 1.2rem;
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 600;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-color);
    color: var(--primary-text);
    cursor: pointer;
    transition: all var(--transition);
}

.tab-btn:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.tab-btn.active {
    background: var(--accent-gradient);
    color: #fff;
    border-color: var(--accent-color);
}

.tab-content {
    display: none;
    padding: 1.5rem;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    box-shadow: var(--card-shadow);
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.4s ease-out;
}

.tab-content h3 {
    margin-bottom: 0.75rem;
    color: var(--accent-color);
}

.tab-content ul {
    list-style: none;
    padding: 0;
}

.tab-content ul li {
    padding: 0.35rem 0 0.35rem 1.2rem;
    position: relative;
    font-size: 0.95rem;
}

[dir="rtl"] .tab-content ul li {
    padding: 0.35rem 1.2rem 0.35rem 0;
}

.tab-content ul li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
}

[dir="rtl"] .tab-content ul li::before {
    left: auto;
    right: 0;
}

/* ===========================
   CTA Bottom (Sticky Mobile)
   =========================== */
.cta-bottom {
    text-align: center;
    padding: 2rem 0;
}

/* ===========================
   Footer
   =========================== */
.footer {
    text-align: center;
    padding: 2rem 0;
    border-top: 1px solid var(--border-color);
    color: #4A5568;
    font-size: 0.85rem;
}

/* ===========================
   Animations
   =========================== */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===========================
   Responsive - Tablet
   =========================== */
@media (min-width: 640px) {
    .cards-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .numbers-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .form-section {
        padding: 2.5rem;
    }
}

/* ===========================
   Responsive - Desktop
   =========================== */
@media (min-width: 1024px) {
    .cards-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    section {
        padding: 4rem 0;
    }

    .hero {
        padding: 6rem 0 4rem;
    }
}

/* ===========================
   Sticky CTA (Mobile Only)
   =========================== */
.sticky-cta {
    display: block;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 0.75rem 1rem;
    background: var(--bg-color);
    border-top: 1px solid var(--border-color);
    box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.08);
}

.sticky-cta .btn {
    width: 100%;
}

@media (min-width: 768px) {
    .sticky-cta {
        display: none;
    }
}

/* Padding for sticky CTA on mobile */
@media (max-width: 767px) {
    body {
        padding-bottom: 70px;
    }
}

/* ===========================
   Scrollbar Styling
   =========================== */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--secondary-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--accent-gradient);
    border-radius: 3px;
}