/* ============================================
   FivesModels - Responsive Styles
   Mobile First Approach
   ============================================ */

/* --- Extra Small devices (phones, less than 576px) --- */
/* Base styles are already mobile-first in style.css */

/* Mobile Navigation */
@media (max-width: 767px) {
    .menu-toggle {
        display: flex;
        z-index: 1001;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background-color: var(--bg-secondary);
        flex-direction: column;
        align-items: flex-start;
        padding: 100px var(--spacing-lg) var(--spacing-lg);
        gap: 0;
        transition: right var(--transition-base);
        box-shadow: var(--shadow-lg);
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-link {
        width: 100%;
        padding: var(--spacing-md) 0;
        border-bottom: 1px solid var(--bg-tertiary);
        font-size: 1.1rem;
    }

    .nav-cta {
        margin-left: 0;
        margin-top: var(--spacing-md);
        width: 100%;
    }

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

    /* Mobile overlay */
    .nav-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(0, 0, 0, 0.5);
        z-index: 999;
    }

    .nav-overlay.active {
        display: block;
    }
}

/* --- Small devices (landscape phones, 576px and up) --- */
@media (min-width: 576px) {
    :root {
        --container-padding: 2rem;
    }

    .hero-buttons {
        flex-direction: row;
    }

    .pain-points {
        grid-template-columns: 1fr;
    }

    .estimator-options {
        grid-template-columns: 1fr;
    }
}

/* --- Medium devices (tablets, 768px and up) --- */
@media (min-width: 768px) {
    .menu-toggle {
        display: none;
    }

    .nav-menu {
        position: static;
        width: auto;
        height: auto;
        background-color: transparent;
        flex-direction: row;
        padding: 0;
        box-shadow: none;
    }

    .grid-2 {
        grid-template-columns: repeat(2, 1fr);
    }

    .pain-points {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .about-hero {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .about-image {
        max-width: 300px;
    }

    .method-steps {
        grid-template-columns: repeat(2, 1fr);
    }

    .method-steps::before {
        display: none;
    }

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

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

    .estimator {
        padding: var(--spacing-lg);
    }
}

/* --- Large devices (desktops, 992px and up) --- */
@media (min-width: 992px) {
    .grid-3 {
        grid-template-columns: repeat(3, 1fr);
    }

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

    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }

    .about-hero {
        grid-template-columns: 1fr 1fr;
        text-align: left;
    }

    .about-image {
        max-width: 400px;
    }

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

    .method-steps::before {
        display: block;
    }

    .values-grid {
        grid-template-columns: repeat(3, 1fr);
    }

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

    .why-list {
        grid-template-columns: repeat(3, 1fr);
    }

    .estimator {
        padding: var(--spacing-xl);
    }
}

/* --- Extra large devices (large desktops, 1200px and up) --- */
@media (min-width: 1200px) {
    :root {
        --container-padding: 1.5rem;
    }

    .hero-content {
        max-width: 800px;
    }
}

/* --- Mobile-specific adjustments --- */
@media (max-width: 575px) {
    section {
        padding: var(--spacing-xl) 0;
    }

    .hero {
        min-height: calc(100vh - 70px);
        padding-top: 90px;
    }

    .hero h1 {
        font-size: 1.75rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

    .hero-buttons .btn {
        width: 100%;
    }

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

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

    .service-card-header {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .footer-legal {
        flex-wrap: wrap;
        justify-content: center;
    }

    .pain-point {
        flex-direction: column;
        text-align: center;
    }

    .why-item {
        flex-direction: column;
        text-align: center;
    }

    .estimator {
        padding: var(--spacing-md);
        border-radius: var(--radius-lg);
    }

    .estimator-progress {
        flex-wrap: wrap;
        gap: var(--spacing-xs);
    }

    .progress-step span:not(.progress-dot) {
        display: none;
    }

    .progress-line {
        width: 20px;
    }

    .estimator-actions {
        flex-direction: column;
    }

    .estimator-actions .btn {
        width: 100%;
    }

    .result-actions {
        flex-direction: column;
    }

    .result-actions .btn {
        width: 100%;
    }

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

    .method-step-number {
        width: 60px;
        height: 60px;
        font-size: 1.25rem;
    }

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

    .value-card {
        padding: var(--spacing-lg);
    }

    .contact-info {
        padding: var(--spacing-lg);
    }

    .comparison-table {
        font-size: 0.875rem;
    }

    .comparison-table th,
    .comparison-table td {
        padding: var(--spacing-sm);
    }
}

/* --- Tablet portrait adjustments --- */
@media (min-width: 576px) and (max-width: 991px) {
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .service-card-header {
        flex-direction: row;
    }
}

/* --- Print styles --- */
@media print {
    .header,
    .footer,
    .btn,
    .estimator {
        display: none !important;
    }

    body {
        background-color: white;
        color: black;
    }

    section {
        padding: 1rem 0;
        page-break-inside: avoid;
    }
}