/* ============================================================
   PRATAP ENTERPRISES — commercial.css
   Commercial Solar Page — Premium B2B Design | Fully Responsive
   ============================================================ */

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

:root {
    --primary: #003d99;
    --primary-dark: #002466;
    --primary-light: #1a5fcf;
    --secondary: #ff8c00;
    --secondary-dark: #cc7000;
    --accent: #00b4d8;
    --success: #00c853;
    --warning: #ffc107;
    --danger: #e53935;
    --dark: #1a1a2e;
    --gray-dark: #2d3436;
    --gray: #636e72;
    --gray-light: #b2bec3;
    --light: #f5f6fa;
    --white: #ffffff;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.18);
    --border-radius: 16px;
    --border-radius-sm: 8px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', 'Plus Jakarta Sans', sans-serif;
    color: var(--dark);
    background: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    width: 90%;
    max-width: 1280px;
    margin: 0 auto;
}

section {
    padding: 80px 0;
}

/* ─────────── TYPOGRAPHY ─────────── */
h1, h2, h3, h4, h5 {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 700;
    line-height: 1.2;
}

.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-tag {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    color: var(--white);
    padding: 6px 18px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.section-header h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    margin-bottom: 16px;
}

.section-header h2 span {
    color: var(--secondary);
    position: relative;
    display: inline-block;
}

.section-header h2 span::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--secondary), var(--primary));
    border-radius: 2px;
}

.section-header p {
    max-width: 700px;
    margin: 0 auto;
    color: var(--gray);
    font-size: 1rem;
}

/* ─────────── BUTTONS ─────────── */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: transparent;
    color: var(--primary);
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    border: 2px solid var(--primary);
    transition: var(--transition);
}

.btn-outline:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-3px);
}

.btn-secondary {
    background: var(--secondary);
    color: var(--white);
}

.btn-secondary:hover {
    background: var(--secondary-dark);
}

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

/* ─────────── PRELOADER ─────────── */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s;
}

.preloader.hide {
    opacity: 0;
    pointer-events: none;
}

.loader {
    width: 50px;
    height: 50px;
    border: 4px solid var(--light);
    border-top: 4px solid var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ─────────── STICKY CONTACT BAR (MOBILE) ─────────── */
.sticky-contact {
    position: fixed;
    bottom: 20px;
    left: 0;
    right: 0;
    display: none;
    justify-content: center;
    gap: 12px;
    padding: 12px 20px;
    background: var(--white);
    box-shadow: var(--shadow-lg);
    z-index: 990;
    border-radius: 60px;
    width: 90%;
    margin: 0 auto;
}

.sticky-contact a {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px;
    border-radius: 40px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.85rem;
}

.sticky-wa {
    background: #25D366;
    color: var(--white);
}

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

.sticky-quote {
    background: var(--secondary);
    color: var(--white);
}

/* ─────────── HEADER NAVIGATION ─────────── */
.commercial-header {
    background: var(--white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.95);
}

.commercial-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.3rem;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-name {
    font-weight: 800;
    font-size: 1.1rem;
    color: var(--dark);
}

.logo-tag {
    font-size: 0.7rem;
    color: var(--gray);
}

.nav-menu {
    display: flex;
    gap: 28px;
    list-style: none;
}

.nav-menu a {
    text-decoration: none;
    color: var(--dark);
    font-weight: 500;
    transition: var(--transition);
    font-size: 0.9rem;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary);
}

.nav-cta {
    background: var(--secondary);
    color: var(--white) !important;
    padding: 8px 20px;
    border-radius: 50px;
}

.nav-cta:hover {
    background: var(--secondary-dark);
    color: var(--white) !important;
}

.nav-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--dark);
}

/* ─────────── HERO SECTION ─────────── */
.hero-commercial {
    background: linear-gradient(135deg, #f0f4ff 0%, #e8eef8 100%);
    padding: 60px 0;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(0, 61, 153, 0.1);
    padding: 8px 18px;
    border-radius: 50px;
    color: var(--primary);
    font-weight: 600;
    font-size: 0.85rem;
    margin-bottom: 24px;
}

.hero-content h1 {
    font-size: clamp(2rem, 4.5vw, 3.2rem);
    margin-bottom: 20px;
}

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

.hero-content p {
    color: var(--gray);
    font-size: 1.05rem;
    margin-bottom: 28px;
}

.hero-stats {
    display: flex;
    gap: 30px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.stat {
    text-align: center;
}

.stat strong {
    display: block;
    font-size: 1.5rem;
    color: var(--primary);
    font-weight: 800;
}

.stat span {
    font-size: 0.8rem;
    color: var(--gray);
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-image img {
    width: 100%;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
}

/* ─────────── TRUST BAR ─────────── */
.trust-bar {
    background: var(--primary-dark);
    padding: 16px 0;
    color: var(--white);
}

.trust-items {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    font-weight: 500;
}

.trust-item i {
    font-size: 1rem;
    color: var(--secondary);
}

/* ─────────── WHY SECTION (BENEFITS GRID) ─────────── */
.why-section {
    background: var(--light);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.benefit-card {
    background: var(--white);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    text-align: center;
}

.benefit-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.benefit-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.benefit-icon i {
    font-size: 1.8rem;
    color: var(--white);
}

.benefit-card h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
}

.benefit-card p {
    color: var(--gray);
}

/* ─────────── SOLUTIONS SECTION ─────────── */
.solutions-section {
    background: var(--white);
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 30px;
}

.solution-card {
    background: var(--light);
    padding: 28px;
    border-radius: var(--border-radius);
    transition: var(--transition);
    border: 1px solid #e0e0e0;
}

.solution-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-light);
}

.solution-icon {
    width: 60px;
    height: 60px;
    background: var(--primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.solution-icon i {
    font-size: 1.6rem;
    color: var(--white);
}

.solution-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.solution-card p {
    color: var(--gray);
    margin-bottom: 18px;
}

.solution-card ul {
    list-style: none;
}

.solution-card ul li {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
    font-size: 0.85rem;
}

.solution-card ul li i {
    color: var(--success);
    font-size: 0.8rem;
}

/* ─────────── CALCULATOR SECTION ─────────── */
.calculator-section {
    background: linear-gradient(135deg, #003d99, #002466);
    color: var(--white);
}

.calculator-section .section-header h2 {
    color: var(--white);
}

.calculator-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 40px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    padding: 40px;
}

.calculator-inputs {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.input-group label {
    font-weight: 600;
    font-size: 0.9rem;
}

.input-group input[type="range"] {
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: rgba(255, 255, 255, 0.3);
    outline: none;
    -webkit-appearance: none;
}

.input-group input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--secondary);
    cursor: pointer;
}

.range-value {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--secondary);
}

.input-group select,
.input-group textarea {
    padding: 12px;
    border-radius: var(--border-radius-sm);
    border: none;
    background: var(--white);
    font-family: inherit;
}

.toggle-group {
    display: flex;
    align-items: center;
    gap: 12px;
}

.toggle {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 24px;
}

.toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255, 255, 255, 0.3);
    transition: 0.3s;
    border-radius: 34px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: 0.3s;
    border-radius: 50%;
}

.toggle input:checked + .toggle-slider {
    background-color: var(--secondary);
}

.toggle input:checked + .toggle-slider:before {
    transform: translateX(26px);
}

.calculator-results {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.result-card {
    background: rgba(255, 255, 255, 0.15);
    padding: 15px;
    border-radius: var(--border-radius-sm);
    text-align: center;
}

.result-card h4 {
    font-size: 0.8rem;
    font-weight: 500;
    margin-bottom: 8px;
    opacity: 0.9;
}

.result-value {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--secondary);
}

.calculator-note {
    margin-top: 24px;
    font-size: 0.8rem;
    text-align: center;
    opacity: 0.8;
}

/* ─────────── BENEFITS DETAIL TABS ─────────── */
.benefits-detail {
    background: var(--light);
}

.benefits-tabs {
    background: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.tabs-header {
    display: flex;
    flex-wrap: wrap;
    background: var(--primary-dark);
}

.tab-btn {
    flex: 1;
    padding: 16px 20px;
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.9rem;
}

.tab-btn.active {
    background: var(--secondary);
    color: var(--white);
}

.tabs-content {
    padding: 32px;
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
}

.benefits-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.benefit-detail {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.benefit-detail i {
    font-size: 2rem;
    color: var(--primary);
    flex-shrink: 0;
}

.benefit-detail h4 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.benefit-detail p {
    color: var(--gray);
    font-size: 0.9rem;
}

/* ─────────── PROCESS TIMELINE ─────────── */
.process-section {
    background: var(--white);
}

.process-timeline {
    max-width: 800px;
    margin: 0 auto;
}

.process-step {
    display: flex;
    gap: 24px;
    margin-bottom: 32px;
    position: relative;
}

.process-step:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 30px;
    top: 60px;
    bottom: -32px;
    width: 2px;
    background: linear-gradient(180deg, var(--primary), var(--secondary));
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.3rem;
    color: var(--white);
    flex-shrink: 0;
}

.step-content h4 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.step-content p {
    color: var(--gray);
}

/* ─────────── PROJECTS SECTION ─────────── */
.projects-section {
    background: var(--light);
}

.projects-filter {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.filter-btn {
    padding: 10px 24px;
    background: var(--white);
    border: 1px solid #e0e0e0;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn.active,
.filter-btn:hover {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.project-card {
    background: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

.project-image {
    height: 220px;
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 3rem;
}

.project-content {
    padding: 20px;
}

.project-content h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.project-content p {
    color: var(--gray);
    font-size: 0.85rem;
    margin-bottom: 12px;
}

.project-stats {
    display: flex;
    gap: 16px;
    font-size: 0.8rem;
}

.project-stats span {
    display: flex;
    align-items: center;
    gap: 4px;
}

.project-stats i {
    color: var(--secondary);
}

/* ─────────── TRUST SECTION ─────────── */
.trust-section {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    color: var(--white);
}

.trust-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.trust-features {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-top: 32px;
}

.trust-feature {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.trust-feature i {
    font-size: 1.5rem;
    color: var(--secondary);
}

.trust-feature h4 {
    font-size: 1rem;
    margin-bottom: 4px;
}

.trust-feature p {
    font-size: 0.85rem;
    opacity: 0.9;
}

.trust-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.stat-card {
    text-align: center;
    background: rgba(255, 255, 255, 0.1);
    padding: 32px;
    border-radius: var(--border-radius);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--secondary);
}

.stat-label {
    font-size: 0.85rem;
    margin-top: 8px;
}

/* ─────────── FAQ SECTION ─────────── */
.faq-section {
    background: var(--white);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
}

.faq-category h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.2rem;
    margin-bottom: 24px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--primary);
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    border: 1px solid #e0e0e0;
    border-radius: var(--border-radius-sm);
    overflow: hidden;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px;
    font-weight: 600;
    cursor: pointer;
    background: var(--light);
    transition: var(--transition);
}

.faq-question:hover {
    background: #e8eef8;
}

.faq-question i {
    transition: var(--transition);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 16px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    color: var(--gray);
    font-size: 0.9rem;
}

.faq-item.active .faq-answer {
    padding: 16px;
    max-height: 300px;
}

/* ─────────── CONSULTATION FORM ─────────── */
.consult-section {
    background: linear-gradient(135deg, #f0f4ff, #e8eef8);
}

.consult-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.consult-benefits {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 24px;
}

.consult-benefits div {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--white);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.85rem;
}

.consult-benefits i {
    color: var(--success);
}

.consult-form {
    background: var(--white);
    padding: 36px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
}

.consult-form h3 {
    font-size: 1.4rem;
    margin-bottom: 24px;
    text-align: center;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}

.consult-form input,
.consult-form select,
.consult-form textarea {
    width: 100%;
    padding: 14px;
    border: 1px solid #e0e0e0;
    border-radius: var(--border-radius-sm);
    font-family: inherit;
    transition: var(--transition);
}

.consult-form input:focus,
.consult-form select:focus,
.consult-form textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 61, 153, 0.1);
}

.form-note {
    text-align: center;
    font-size: 0.75rem;
    color: var(--gray);
    margin-top: 16px;
}

.form-note i {
    color: var(--success);
}

/* ─────────── FOOTER ─────────── */
.commercial-footer {
    background: var(--dark);
    color: #a0a0a0;
    padding: 48px 0 24px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 40px;
    margin-bottom: 32px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}

.footer-logo i {
    font-size: 1.5rem;
    color: var(--secondary);
}

.footer-logo span {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--white);
}

.footer-about p {
    font-size: 0.85rem;
    margin-bottom: 16px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social a {
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--secondary);
    transform: translateY(-3px);
}

.footer-links h4,
.footer-contact h4 {
    color: var(--white);
    font-size: 1rem;
    margin-bottom: 16px;
}

.footer-links ul {
    list-style: none;
}

.footer-links ul li,
.footer-contact p {
    margin-bottom: 10px;
}

.footer-links ul li a {
    color: #a0a0a0;
    text-decoration: none;
    transition: var(--transition);
    font-size: 0.85rem;
}

.footer-links ul li a:hover {
    color: var(--secondary);
    padding-left: 4px;
}

.footer-contact p {
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-contact i {
    width: 20px;
    color: var(--secondary);
}

.footer-bottom {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.8rem;
}

/* ─────────── RESPONSIVE DESIGN ─────────── */
@media (max-width: 1024px) {
    section {
        padding: 60px 0;
    }
    
    .hero-grid,
    .consult-wrapper,
    .trust-wrapper {
        grid-template-columns: 1fr;
    }
    
    .calculator-wrapper {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 20px;
        gap: 12px;
        box-shadow: var(--shadow-md);
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-toggle {
        display: block;
    }
    
    .sticky-contact {
        display: flex;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .benefits-grid,
    .solutions-grid {
        grid-template-columns: 1fr;
    }
    
    .calculator-results {
        grid-template-columns: 1fr;
    }
    
    .tabs-header {
        flex-direction: column;
    }
    
    .tab-btn {
        text-align: center;
    }
    
    .process-step {
        flex-direction: column;
        text-align: center;
    }
    
    .process-step:not(:last-child)::after {
        display: none;
    }
    
    .step-number {
        margin: 0 auto;
    }
    
    .faq-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .trust-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-social {
        justify-content: center;
    }
    
    .footer-contact p {
        justify-content: center;
    }
    
    .footer-links ul li a {
        justify-content: center;
        display: inline-block;
    }
}

@media (max-width: 480px) {
    .container {
        width: 95%;
    }
    
    .section-header h2 {
        font-size: 1.5rem;
    }
    
    .hero-content h1 {
        font-size: 1.8rem;
    }
    
    .stat strong {
        font-size: 1.2rem;
    }
    
    .trust-items {
        justify-content: center;
    }
    
    .consult-form {
        padding: 20px;
    }
    
    .trust-stats {
        grid-template-columns: 1fr;
    }
}

/* ─────────── SCROLL PROGRESS ─────────── */
::-webkit-scrollbar {
    width: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary);
}

/* Animation Classes */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.8s ease forwards;
}