/* ===================================
   Reset & Base Styles
   =================================== */

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

/* Charte graphique : variables dans common.css (:root). Charger common.css avec style.css. */

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===================================
   Container
   =================================== */

.container {
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ===================================
   Header & Navigation
   =================================== */

.header {
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.95); /* var(--white) + transparence */
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-md);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--space-12);
    text-decoration: none;
}

.logo-icon {
    width: 2.5rem;
    height: 2.5rem;
}

.logo-text {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--gray-900);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

.nav-link {
    text-decoration: none;
    color: var(--gray-700);
    font-weight: 500;
    transition: color var(--transition-fast);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
}

.nav-link:hover {
    color: var(--primary);
}

.nav-link.active {
    color: var(--primary);
    font-weight: 600;
}

.nav-link-pro {
    background: var(--primary);
    color: white !important;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-lg);
}

.nav-link-pro:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ===================================
   Hero Section
   =================================== */

.hero {
    padding: var(--spacing-3xl) 0;
    background: var(--gradient-hero-bg);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100%;
    background: radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: var(--container-lg);
    margin: 0 auto;
}

.hero-title {
    font-size: clamp(var(--text-3xl), 5vw, var(--text-6xl));
    font-weight: 800;
    line-height: 1.1;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
}

.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: var(--text-xl);
    color: var(--gray-600);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-xl);
}

.hero-stats {
    display: flex;
    gap: var(--spacing-2xl);
    justify-content: center;
    margin-top: var(--spacing-2xl);
    flex-wrap: wrap;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--primary);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: var(--text-sm);
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ===================================
   Buttons
   =================================== */

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--space-12) var(--spacing-md);
    font-size: var(--text-base);
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
    font-family: inherit;
}

.btn-primary {
    background: var(--primary);
    color: var(--white);
    box-shadow: var(--shadow-primary);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-primary-hover);
}

.btn-secondary {
    background: white;
    color: var(--gray-700);
    border: 2px solid var(--gray-300);
}

.btn-secondary:hover {
    border-color: var(--primary);
    color: var(--primary);
}

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

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

.btn-white {
    background: white;
    color: var(--primary);
    box-shadow: var(--shadow-lg);
}

.btn-white:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.btn-text {
    background: transparent;
    color: var(--gray-600);
    padding: 0.75rem 1rem;
}

.btn-text:hover {
    color: var(--gray-900);
}

.btn-large {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--text-lg);
}

.btn-block {
    width: 100%;
    justify-content: center;
}

/* ===================================
   Section Styles (rythme vertical cohérent)
   =================================== */

section {
    padding: var(--spacing-2xl) 0;
}

section.section--large {
    padding: var(--spacing-3xl) 0;
}

section.section--tight {
    padding: var(--spacing-xl) 0;
}

.section-header {
    text-align: center;
    max-width: var(--container-sm);
    margin: 0 auto var(--spacing-2xl);
}

.section-title {
    font-size: clamp(var(--text-2xl), 4vw, var(--text-4xl));
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
}

.section-description {
    font-size: var(--text-lg);
    color: var(--gray-600);
    line-height: 1.7;
}

.indices-source {
    font-size: var(--text-sm);
    color: var(--gray-500);
    margin-top: var(--spacing-sm);
}

.form-errors {
    background: var(--error-bg);
    border: 1px solid var(--error-border);
    color: var(--error-text);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
    font-size: 0.9375rem;
}
.form-errors ul {
    margin: var(--spacing-sm) 0 0 var(--spacing-lg);
    padding-left: 0;
}

/* ===================================
   Calculator Section
   =================================== */

.calculator-section {
    background: var(--gray-50);
}

.calculator-card {
    background: var(--white);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-xl);
    max-width: var(--container-md);
    margin: 0 auto;
}

.calculator-form {
    margin-bottom: var(--spacing-xl);
}

/* Champs du calculateur - présentation épurée */
.calc-field {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.calc-field-rent {
    margin-bottom: 1.5rem;
}

.calc-label {
    font-weight: 600;
    font-size: var(--text-lg);
    color: var(--gray-800);
}

.calc-input {
    padding: var(--space-12) var(--spacing-sm);
    font-size: var(--text-base);
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-lg);
    transition: border-color 0.2s, box-shadow 0.2s;
    font-family: inherit;
    background: var(--gray-50);
}

.calc-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: var(--shadow-primary-focus);
    background: var(--white);
}

.calc-hint {
    font-size: 0.8125rem;
    color: var(--gray-500);
    line-height: 1.35;
}

.calc-section {
    background: var(--gray-50);
    border-radius: 12px;
    padding: 1.25rem 1.5rem;
    margin-bottom: 1.5rem;
}

.calc-section-title {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 0.25rem;
}

.calc-section-desc {
    font-size: 0.8125rem;
    color: var(--gray-500);
    line-height: 1.4;
    margin: 0 0 1rem 0;
    max-width: 42rem;
}

.calc-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

@media (max-width: 600px) {
    .calc-row {
        grid-template-columns: 1fr;
    }
}

/* Anciennes classes conservées pour compatibilité */
.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: 600;
    color: var(--gray-700);
    font-size: 0.875rem;
}

.label-icon {
    color: var(--primary);
}

.form-input {
    padding: 0.875rem 1rem;
    font-size: 1rem;
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
    font-family: inherit;
    background: white;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

/* Listes déroulantes (select) */
select.form-input,
select.calc-input {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    padding-right: 2.75rem;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%234F46E5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 1.25rem;
    background-color: white;
    cursor: pointer;
}

select.form-input:hover,
select.calc-input:hover {
    border-color: var(--gray-400);
}

select.form-input:focus,
select.calc-input:focus {
    background-color: white;
}

select.calc-input {
    padding-right: 2.75rem;
    background-color: white;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%234F46E5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-position: right 0.75rem center;
}

.form-hint {
    font-size: 0.75rem;
    color: var(--gray-500);
    margin-top: 0.25rem;
}

.form-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-top: var(--spacing-xl);
    flex-wrap: wrap;
}

/* ===================================
   Result Card (calcul indexation)
   =================================== */

.result-card {
    background: #fff;
    border-radius: var(--radius-2xl);
    padding: var(--spacing-xl);
    border: 1px solid var(--gray-200);
    box-shadow: 0 4px 24px rgba(79, 70, 229, 0.06);
    animation: slideIn 0.4s ease-out;
}

.result-card.hidden {
    display: none;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.result-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--gray-100);
}

.result-icon {
    flex-shrink: 0;
}

.result-icon circle {
    fill: #EEF2FF;
}

.result-icon path {
    stroke: var(--primary);
}

.result-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-800);
    margin: 0;
}

.result-body {
    padding: 0;
}

.result-main {
    text-align: center;
    padding: var(--spacing-lg) 0;
    margin-bottom: var(--spacing-lg);
    background: linear-gradient(135deg, #F8FAFC 0%, #EEF2FF 100%);
    border-radius: var(--radius-xl);
    border: 1px solid #E0E7FF;
}

.result-label {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--gray-600);
    margin-bottom: var(--spacing-xs);
}

.result-value {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.1;
    color: var(--primary);
    letter-spacing: -0.02em;
}

.result-details {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.result-detail {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: var(--spacing-md);
    background: var(--gray-50);
    border-radius: var(--radius-lg);
}

.detail-label {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--gray-500);
}

.detail-value {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-800);
}

.detail-increase {
    color: #059669;
}

.detail-percent {
    color: var(--primary);
}

.result-info {
    display: flex;
    gap: var(--spacing-sm);
    align-items: flex-start;
    background: #F8FAFC;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--gray-600);
    border: 1px solid var(--gray-100);
}

.result-info strong {
    color: var(--gray-800);
}

.result-actions {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-xl);
}

.free-letters-badge {
    font-size: 0.8125rem;
    color: var(--gray-500);
    font-weight: 500;
}

/* ===================================
   How It Works Section
   =================================== */

.how-it-works {
    background: white;
}

/* FAQ liste compacte */
.faq-list {
    max-width: 700px;
    margin: 0 auto;
}

.faq-item {
    padding: 14px 0;
    border-bottom: 1px solid var(--gray-200);
}

.faq-item-last {
    border-bottom: none;
    padding-bottom: 0;
}

.faq-question {
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--gray-900);
    margin: 0 0 4px 0;
}

.faq-answer {
    margin: 0;
}

.faq-answer p {
    color: var(--gray-700);
    line-height: 1.5;
    margin: 0;
    font-size: 0.9375rem;
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

.step {
    text-align: center;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    background: var(--gray-50);
    position: relative;
    transition: all var(--transition-base);
}

.step:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.step-number {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
}

.step-icon {
    margin: var(--spacing-md) auto var(--spacing-md);
}

.step-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
}

.step-description {
    color: var(--gray-600);
    line-height: 1.6;
}

/* ===================================
   IRL Info Section
   =================================== */

.irl-info {
    background: linear-gradient(135deg, #EEF2FF 0%, #E0E7FF 100%);
}

.info-card {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--spacing-2xl);
    align-items: center;
    background: white;
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-lg);
}

.info-title {
    font-size: 2rem;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
}

.info-text {
    font-size: 1.125rem;
    color: var(--gray-700);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

.info-list {
    list-style: none;
    display: grid;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.info-list li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--gray-700);
    font-weight: 500;
}

.info-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ===================================
   Features Section
   =================================== */

.features {
    background: white;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.feature {
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    background: var(--gray-50);
    transition: all var(--transition-base);
}

.feature:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    background: white;
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
}

.feature-description {
    color: var(--gray-600);
    line-height: 1.6;
}

/* ===================================
   CTA Section
   =================================== */

.cta {
    background: var(--primary);
    color: white;
}

.cta--success {
    background: var(--gradient-success);
}

/* CTA contextuels (intégrés dans le flux, pas en page isolée) */
.cta-inline {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm) var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    margin-top: var(--spacing-lg);
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    text-align: center;
}

.cta-inline p {
    margin: 0;
    color: var(--gray-700);
    font-size: 0.9375rem;
}

.cta-inline .btn {
    flex-shrink: 0;
}

.cta-inline--success {
    background: linear-gradient(135deg, #ECFDF5 0%, #D1FAE5 100%);
    border-color: #A7F3D0;
}

.cta-inline--success p {
    color: var(--gray-800);
}

.cta-pro-footer {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--gray-200);
    text-align: center;
}

.cta-pro-footer p {
    margin: 0 0 var(--spacing-sm);
    color: var(--gray-600);
    font-size: 0.9375rem;
}

.cta-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.cta-description {
    font-size: 1.0625rem;
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
    opacity: 0.95;
}

/* ===================================
   Professional Pages Styles
   =================================== */

.hero-pro {
    padding: var(--spacing-3xl) 0 var(--spacing-2xl);
}

.badge-pro {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: rgba(251, 191, 36, 0.1);
    color: var(--warning);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: var(--spacing-md);
}

.hero-badges {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    margin-top: var(--spacing-xl);
    flex-wrap: wrap;
}

.trust-badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--gray-600);
    font-size: 0.875rem;
    font-weight: 500;
}

.features-pro {
    background: var(--gray-50);
}

.features-grid-pro {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.feature-pro {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.feature-pro:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.feature-pro-icon {
    margin-bottom: var(--spacing-md);
}

.feature-pro-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
}

.feature-pro-description {
    color: var(--gray-600);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.feature-list {
    list-style: none;
    display: grid;
    gap: var(--spacing-xs);
}

.feature-list li {
    color: var(--gray-700);
    font-size: 0.875rem;
    padding-left: var(--spacing-md);
    position: relative;
}

.feature-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary);
}

/* ===================================
   Use Cases Section
   =================================== */

.use-cases {
    background: white;
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.use-case {
    text-align: center;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    background: var(--gray-50);
    transition: all var(--transition-base);
}

.use-case:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.use-case-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.use-case-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
}

.use-case-description {
    color: var(--gray-600);
    line-height: 1.6;
}

/* ===================================
   Pricing Section
   =================================== */

.pricing {
    background: var(--gray-50);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.pricing-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    position: relative;
}

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

.pricing-card-featured {
    border: 3px solid var(--primary);
    transform: scale(1.05);
}

.pricing-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: 0.875rem;
}

.pricing-header {
    text-align: center;
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--gray-200);
    margin-bottom: var(--spacing-lg);
}

.pricing-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
}

.pricing-price {
    margin: var(--spacing-md) 0;
}

.price-amount {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary);
}

.price-period {
    font-size: 1rem;
    color: var(--gray-600);
}

.pricing-description {
    color: var(--gray-600);
}

.pricing-features {
    list-style: none;
    display: grid;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--gray-700);
}

.pricing-note {
    text-align: center;
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    max-width: 800px;
    margin: 0 auto;
}

.pricing-note p {
    color: var(--gray-700);
    font-size: 0.875rem;
}

/* ===================================
   Contact Section
   =================================== */

.contact {
    background: white;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: start;
}

.contact-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
}

.contact-description {
    font-size: 1.125rem;
    color: var(--gray-600);
    line-height: 1.7;
    margin-bottom: var(--spacing-xl);
}

.contact-benefits {
    list-style: none;
    display: grid;
    gap: var(--spacing-md);
}

.contact-benefits li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--gray-700);
    font-weight: 500;
}

.contact-form-wrapper {
    background: var(--gray-50);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.contact-form {
    display: grid;
    gap: var(--spacing-md);
}

.form-privacy {
    font-size: 0.75rem;
    color: var(--gray-500);
    text-align: center;
    margin-top: var(--spacing-sm);
}

/* ===================================
   Footer
   =================================== */

.footer {
    background: var(--gray-900);
    color: var(--gray-400);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: var(--spacing-md);
}

.footer-logo .logo-text {
    color: white;
    background: none;
    -webkit-text-fill-color: white;
    background-clip: unset;
}

.footer-description {
    line-height: 1.7;
    max-width: 300px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-xl);
}

.footer-title {
    color: white;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.footer-list {
    list-style: none;
    display: grid;
    gap: var(--spacing-xs);
}

.footer-list a {
    color: var(--gray-400);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-list a:hover {
    color: white;
}

.footer-legal-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem 1.5rem;
    margin-bottom: var(--spacing-lg);
}

.footer-legal-links a {
    color: var(--gray-400);
    text-decoration: none;
    font-size: 0.9375rem;
    transition: color var(--transition-fast);
}

.footer-legal-links a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--gray-800);
}

.footer-disclaimer {
    margin-top: var(--spacing-xs);
    font-size: 0.875rem;
    color: var(--gray-500);
}

/* ===================================
   Responsive Design
   =================================== */

@media (max-width: 768px) {
    .nav-menu {
        gap: var(--spacing-sm);
    }

    .nav-link {
        font-size: 0.875rem;
        padding: var(--spacing-xs);
    }

    .hero {
        padding: var(--spacing-2xl) 0;
    }

    .hero-cta {
        flex-direction: column;
        align-items: stretch;
    }

    .hero-stats {
        gap: var(--spacing-md);
    }

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

    .info-card {
        grid-template-columns: 1fr;
    }

    .info-visual {
        display: none;
    }

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

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

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

    .footer-content {
        grid-template-columns: 1fr;
    }

    .pricing-card-featured {
        transform: scale(1);
    }

    .calculator-card {
        padding: var(--spacing-md);
    }

    .result-value {
        font-size: 2rem;
    }

    .result-details {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .nav-menu {
        flex-direction: column;
        gap: var(--spacing-xs);
    }

    .hero-title {
        font-size: 1.875rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .form-row {
        grid-template-columns: 1fr;
    }
}

/* ===================================
   Utilities
   =================================== */

.hidden {
    display: none !important;
}

.text-center {
    text-align: center;
}

/* ===================================
   Animations
   =================================== */

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in {
    animation: fadeIn 0.6s ease-out;
}

.animate-slide-up {
    animation: slideUp 0.6s ease-out;
}

/* ===================================
   Print Styles
   =================================== */

@media print {
    .header,
    .footer,
    .cta,
    .nav-menu {
        display: none;
    }

    body {
        font-size: 12pt;
    }

    .result-card {
        background: white !important;
        color: black;
        border: 1px solid #ccc;
        box-shadow: none;
    }
    .result-main {
        background: #f5f5f5 !important;
        border-color: #ddd;
    }
    .result-value { color: #1a1a1a !important; }
    .result-detail { background: #f9f9f9 !important; }
    .detail-value { color: #1a1a1a !important; }
    .result-info { background: #f0f0f0 !important; border-color: #ddd; color: #333; }
}

/* ===================================
   Visual Refresh (non-breaking)
   =================================== */

body {
    background:
        radial-gradient(1200px 600px at 10% -10%, rgba(99, 102, 241, 0.08), transparent 55%),
        radial-gradient(900px 500px at 90% -20%, rgba(16, 185, 129, 0.06), transparent 50%),
        var(--white);
}

.header {
    border-bottom: 1px solid rgba(17, 24, 39, 0.08);
    box-shadow: 0 6px 20px rgba(17, 24, 39, 0.06);
}

.nav-link {
    border: 1px solid transparent;
}

.nav-link:hover {
    color: var(--primary);
    background: rgba(79, 70, 229, 0.08);
    border-color: rgba(79, 70, 229, 0.14);
}

.btn {
    border-radius: 12px;
    min-height: 44px;
    letter-spacing: 0.01em;
}

.btn-primary {
    background: var(--gradient-primary);
    box-shadow: 0 8px 18px rgba(79, 70, 229, 0.28);
}

.btn-primary:hover {
    box-shadow: 0 12px 22px rgba(79, 70, 229, 0.34);
}

.btn-secondary {
    border-color: var(--gray-300);
    background: rgba(255, 255, 255, 0.9);
}

.calculator-card,
.feature,
.feature-pro,
.section,
.pricing-card,
.contact-form-wrapper {
    border: 1px solid rgba(17, 24, 39, 0.06);
    box-shadow: 0 10px 30px rgba(17, 24, 39, 0.08);
}

.form-input,
.calc-input,
.form-select,
textarea.form-input {
    border-color: #D6DBE6;
    border-radius: 12px;
    background: #fff;
}

.form-input:hover,
.calc-input:hover,
.form-select:hover {
    border-color: #BFC7D8;
}

.form-input:focus,
.calc-input:focus,
.form-select:focus,
textarea.form-input:focus {
    box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.14);
}

.footer {
    background: linear-gradient(180deg, #121826 0%, #0F172A 100%);
}