/**
 * eSIM Go Fly - Responsive Styles
 * Mobile-first approach with modern breakpoints
 */

/* =====================================================
   BASE MOBILE FIXES - Prevent horizontal overflow
   ===================================================== */
html {
    overflow-x: hidden;
}

body {
    overflow-x: hidden;
    width: 100%;
}

/* Prevent any element from causing horizontal scroll */
img, video, iframe, embed, object {
    max-width: 100%;
}

/* Container base - mobile first */
.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* =====================================================
   MOBILE STYLES (default, up to 767px)
   ===================================================== */

/* Typography - smaller on mobile */
h1 { font-size: 1.75rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.125rem; }

/* Grid - single column on mobile */
.grid,
.grid-2,
.grid-3,
.grid-4 {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

/* Plans and destinations grid */
.plans-grid,
.destinations-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

/* Hero - compact on mobile */
.hero {
    padding: var(--spacing-2xl) 0;
}

.hero-title {
    font-size: 1.75rem !important;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

.hero-subtitle {
    font-size: var(--font-size-base) !important;
    margin-bottom: var(--spacing-lg);
}

.hero-search {
    max-width: 100%;
}

.hero-search input {
    padding: 0.875rem 1rem;
    padding-left: 48px;
    font-size: var(--font-size-sm);
}

.hero-search-icon {
    left: 1rem;
    width: 20px;
    height: 20px;
}

/* Logo smaller on mobile */
.logo {
    height: 32px;
    width: auto;
}

/* Header tighter on mobile */
.header {
    left: 8px;
    right: 8px;
    top: 8px;
}

/* Navigation mobile */
.navbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-xs);
}

.navbar-mobile-actions {
    display: flex;
    align-items: center;
    gap: 2px;
}

/* Compact buttons on mobile */
.navbar-mobile-actions .btn-icon,
.navbar-mobile-actions .language-toggle,
.navbar-mobile-actions .currency-toggle {
    padding: 4px !important;
}

.navbar-mobile-actions .btn-icon svg {
    width: 18px;
    height: 18px;
}

/* Hide language code on mobile (flag is enough), keep currency visible */
.navbar-mobile-actions .current-lang {
    display: none;
}

.navbar-mobile-actions .dropdown-arrow {
    display: none;
}

/* Smaller font for currency on mobile */
.navbar-mobile-actions .current-currency {
    font-size: 11px;
}

.navbar-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: 0;
    background: transparent;
    border: none;
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: background-color 0.2s ease;
}

.navbar-toggle:hover {
    background-color: var(--color-gray-100);
}

.navbar-toggle-icon {
    position: relative;
    width: 18px;
    height: 2px;
    background-color: var(--color-gray-900);
    transition: background-color 0.2s ease;
}

.navbar-toggle-icon::before,
.navbar-toggle-icon::after {
    content: '';
    position: absolute;
    left: 0;
    width: 18px;
    height: 2px;
    background-color: var(--color-gray-900);
    transition: transform 0.3s ease;
}

.navbar-toggle-icon::before {
    top: -7px;
}

.navbar-toggle-icon::after {
    top: 7px;
}

/* Hamburger animation when active */
.navbar-toggle.active .navbar-toggle-icon {
    background-color: transparent;
}

.navbar-toggle.active .navbar-toggle-icon::before {
    transform: translateY(7px) rotate(45deg);
}

.navbar-toggle.active .navbar-toggle-icon::after {
    transform: translateY(-7px) rotate(-45deg);
}

.navbar-menu {
    display: none;
    position: absolute;
    top: calc(var(--header-height) + 8px);
    left: -12px;
    right: -12px;
    background: var(--color-white);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-xl);
    border-radius: var(--radius-xl);
    max-height: calc(100vh - var(--header-height) - 40px);
    overflow-y: auto;
    z-index: 100;
}

.navbar-menu.active {
    display: block;
}

.navbar-nav {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-link {
    display: block;
    padding: var(--spacing-md) var(--spacing-lg);
    width: 100%;
    color: var(--color-gray-700);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: background-color 0.2s ease, color 0.2s ease;
}

.nav-link:hover,
.nav-link.active {
    background-color: var(--color-gray-100);
    color: var(--color-primary);
}

.navbar-actions {
    display: none;
}

.navbar-menu-footer {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-gray-200);
}

/* Mobile/Desktop visibility helpers */
.mobile-only {
    display: block;
}

.desktop-only {
    display: none !important;
}

.mobile-hide {
    display: none !important;
}

/* Body overflow when menu is open */
body.menu-open {
    overflow: hidden;
}

/* Cards - adjusted padding on mobile */
.card-body {
    padding: var(--spacing-lg);
}

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

.plan-card-specs {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
}

.plan-card-spec-label {
    font-size: 0.6rem;
}

.plan-card-spec-value {
    font-size: var(--font-size-sm);
}

.plan-card-footer {
    flex-direction: column;
    gap: var(--spacing-md);
    align-items: stretch;
}

.plan-card-footer .btn {
    width: 100%;
}

/* Destination cards - smaller aspect ratio on mobile */
.destination-card {
    aspect-ratio: 16/10;
}

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

.destination-card-name {
    font-size: var(--font-size-lg);
}

/* Feature cards */
.feature-card {
    padding: var(--spacing-lg);
}

.feature-icon {
    width: 60px;
    height: 60px;
}

.feature-icon svg {
    width: 28px;
    height: 28px;
}

/* Steps - vertical on mobile */
.steps {
    gap: var(--spacing-lg);
}

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

.step-number {
    width: 48px;
    height: 48px;
    font-size: var(--font-size-lg);
}

/* Section padding - reduced on mobile */
.section {
    padding: var(--spacing-2xl) 0;
}

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

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

.section-subtitle {
    font-size: var(--font-size-base);
}

/* CTA section */
.cta-section {
    padding: var(--spacing-2xl) 0;
}

.cta-title {
    font-size: 1.5rem !important;
}

/* FAQ accordion */
.faq-nav {
    top: 60px;
    padding: var(--spacing-sm) 0;
}

.faq-nav-list {
    gap: var(--spacing-xs);
    padding: 0 var(--spacing-sm);
}

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

.faq-section {
    scroll-margin-top: 120px;
}

.faq-section-title {
    font-size: var(--font-size-lg);
}

.faq-question {
    padding: var(--spacing-lg);
    font-size: var(--font-size-sm);
}

.faq-answer {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    font-size: var(--font-size-sm);
}

/* Contact info */
.contact-info-item {
    padding: var(--spacing-md);
}

.contact-info-icon {
    width: 48px;
    height: 48px;
}

/* Cart items */
.cart-item {
    flex-direction: column;
    padding: var(--spacing-lg);
}

.cart-item-image {
    width: 100%;
    height: 140px;
}

.cart-item-actions {
    flex-direction: row;
    justify-content: space-between;
    width: 100%;
    margin-top: var(--spacing-md);
}

.cart-summary {
    position: static;
    margin-top: var(--spacing-lg);
}

/* Checkout grid */
.checkout-grid {
    grid-template-columns: 1fr;
}

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

.checkout-section-title {
    font-size: var(--font-size-base);
}

/* Order cards */
.order-card-header {
    padding: var(--spacing-md);
}

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

.order-item {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.order-item-image {
    width: 100%;
    height: 100px;
}

.order-card-footer {
    flex-direction: column;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
}

.order-card-footer .btn {
    width: 100%;
}

/* eSIM card */
.esim-card {
    padding: var(--spacing-lg);
}

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

.esim-qr img {
    max-width: 180px;
}

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

/* Auth pages */
.auth-page {
    padding: var(--spacing-xs);
}

.auth-card {
    padding: var(--spacing-md);
    margin: 0;
    border-radius: var(--radius-lg);
}

.auth-header {
    margin-bottom: var(--spacing-md);
}

.auth-title {
    font-size: var(--font-size-xl);
}

.auth-footer {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
}

/* Account header */
.account-header {
    padding: var(--spacing-xl) 0;
}

.account-info {
    flex-direction: column;
    text-align: center;
    gap: var(--spacing-md);
}

.account-avatar {
    width: 72px;
    height: 72px;
    font-size: var(--font-size-xl);
}

.account-name {
    font-size: var(--font-size-xl);
}

.account-nav {
    justify-content: center;
    flex-wrap: wrap;
}

.account-nav-link {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
}

/* Footer */
.footer {
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    text-align: center;
}

.footer-description {
    max-width: none;
}

.footer-links {
    align-items: center;
}

.footer-contact {
    align-items: center;
}

.footer-contact li {
    justify-content: center;
}

.social-links {
    justify-content: center;
}

.payment-icons {
    justify-content: center;
}


/* Buttons on mobile */
.btn-lg {
    padding: 0.875rem 1.5rem;
    font-size: var(--font-size-sm);
}

.btn-block-mobile {
    width: 100%;
}

/* Forms */
.form-input,
.form-select,
.form-textarea {
    padding: 0.75rem 1rem;
    font-size: 16px; /* Prevents zoom on iOS */
}

/* Success page */
.success-page {
    padding: var(--spacing-2xl) 0;
}

.success-icon {
    width: 80px;
    height: 80px;
}

.success-icon svg {
    width: 40px;
    height: 40px;
}

.success-title {
    font-size: 1.5rem !important;
}

/* Flash messages */
.flash-messages {
    left: var(--spacing-md);
    right: var(--spacing-md);
    max-width: none;
}

/* Dropdowns */
.dropdown-menu {
    position: fixed;
    left: var(--spacing-md);
    right: var(--spacing-md);
    top: auto;
    bottom: var(--spacing-md);
    border-radius: var(--radius-xl);
    max-height: 60vh;
    overflow-y: auto;
}

/* Language dropdown full-width on mobile for better UX */
.language-dropdown .dropdown-menu {
    position: fixed;
    left: 8px;
    right: 8px;
    top: 70px;
    bottom: auto;
    max-height: 70vh;
    overflow-y: auto;
}

.currency-dropdown .dropdown-menu {
    position: absolute;
    bottom: auto;
    left: auto;
    right: 0;
    top: calc(100% + 8px);
}

/* Tables */
.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 0 calc(-1 * var(--spacing-md));
    padding: 0 var(--spacing-md);
}

/* Empty states */
.empty-state {
    padding: var(--spacing-2xl) var(--spacing-md);
}

.empty-state-icon {
    width: 64px;
    height: 64px;
}

/* Breadcrumbs */
.breadcrumb-list {
    flex-wrap: wrap;
}

/* =====================================================
   SMALL MOBILE (max-width: 374px)
   ===================================================== */
@media (max-width: 374px) {
    .container {
        padding: 0 var(--spacing-sm);
    }

    .hero-title {
        font-size: 1.5rem !important;
    }

    .section-title {
        font-size: 1.25rem !important;
    }

    .btn {
        padding: 0.625rem 1rem;
        font-size: var(--font-size-xs);
    }

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

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

/* =====================================================
   TABLET (768px and up)
   ===================================================== */
@media (min-width: 768px) {
    :root {
        --header-height: 72px;
    }

    /* Typography */
    h1 { font-size: var(--font-size-3xl); }
    h2 { font-size: var(--font-size-2xl); }
    h3 { font-size: var(--font-size-xl); }

    /* Container */
    .container {
        padding: 0 var(--spacing-lg);
    }

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

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

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

    /* Header - Floating style on tablet+ */
    :root {
        --header-height: 70px;
    }

    .header {
        top: 16px;
        left: 24px;
        right: 24px;
        border-radius: var(--radius-2xl);
    }

    .navbar-inner {
        padding: 0 var(--spacing-md);
    }

    .logo {
        height: 42px;
    }

    /* Navigation */
    .navbar-mobile-actions {
        display: none;
    }

    .navbar-toggle {
        display: none;
    }

    .navbar-menu {
        display: flex !important;
        position: static;
        background: transparent;
        border: none;
        padding: 0;
        box-shadow: none;
        align-items: center;
        gap: var(--spacing-sm);
        max-height: none;
        overflow: visible;
        flex: 1;
        justify-content: center;
        height: 100%;
    }

    .navbar-nav {
        flex-direction: row;
        gap: 0;
        align-items: center;
        height: 100%;
    }

    .nav-item {
        display: flex;
        align-items: center;
        height: 100%;
    }

    .nav-link {
        padding: var(--spacing-xs) var(--spacing-sm);
        width: auto;
        font-size: var(--font-size-sm);
        white-space: nowrap;
        text-align: center;
        height: 100%;
        display: flex;
        align-items: center;
    }

    .navbar-actions {
        display: flex;
        flex-direction: row;
        margin-top: 0;
        padding-top: 0;
        border-top: none;
        gap: var(--spacing-sm);
        flex-shrink: 0;
    }

    .navbar-actions .btn {
        width: auto;
    }

    .navbar-menu-footer {
        display: none;
    }

    /* Mobile/Desktop visibility */
    .mobile-only {
        display: none !important;
    }

    .desktop-only {
        display: flex !important;
    }

    .mobile-hide {
        display: inline-flex !important;
    }

    /* Hero */
    .hero {
        padding: var(--spacing-3xl) 0;
    }

    .hero-title {
        font-size: 2.5rem !important;
    }

    .hero-subtitle {
        font-size: var(--font-size-lg) !important;
    }

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

    .hero-search input {
        padding: 1rem 1.25rem;
        padding-left: 52px;
        font-size: var(--font-size-base);
    }

    /* Sections */
    .section {
        padding: var(--spacing-3xl) 0;
    }

    .section-title {
        font-size: 2rem !important;
    }

    /* Cards */
    .plan-card-footer {
        flex-direction: row;
        align-items: center;
    }

    .plan-card-footer .btn {
        width: auto;
    }

    /* Cart */
    .cart-item {
        flex-direction: row;
    }

    .cart-item-image {
        width: 110px;
        height: 90px;
    }

    .cart-item-actions {
        flex-direction: column;
        width: auto;
        margin-top: 0;
    }

    /* Order cards */
    .order-item {
        flex-direction: row;
        align-items: center;
    }

    .order-item-image {
        width: 72px;
        height: 72px;
    }

    .order-card-footer {
        flex-direction: row;
    }

    .order-card-footer .btn {
        width: auto;
    }

    /* eSIM details */
    .esim-details {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Account */
    .account-info {
        flex-direction: row;
        text-align: left;
    }

    .account-nav {
        justify-content: flex-start;
    }

    /* Footer */
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        text-align: left;
    }

    .footer-links {
        align-items: flex-start;
    }

    .social-links {
        justify-content: flex-start;
    }

    /* Auth */
    .auth-card {
        padding: var(--spacing-xl);
    }

    .auth-title {
        font-size: var(--font-size-2xl);
    }

    /* Flash messages */
    .flash-messages {
        left: auto;
        right: var(--spacing-lg);
        max-width: 420px;
    }

    /* Dropdowns */
    .dropdown-menu {
        position: absolute;
        left: auto;
        right: 0;
        bottom: auto;
        max-height: none;
    }
}

/* =====================================================
   DESKTOP (1024px and up)
   ===================================================== */
@media (min-width: 1024px) {
    /* Typography */
    h1 { font-size: var(--font-size-4xl); }
    h2 { font-size: var(--font-size-3xl); }

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

    .grid-4 {
        grid-template-columns: repeat(3, 1fr);
    }

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

    /* Header - Larger spacing on desktop */
    :root {
        --header-height: 72px;
    }

    .header {
        top: 20px;
        left: 32px;
        right: 32px;
    }

    .navbar-inner {
        padding: 0 var(--spacing-lg);
    }

    .logo {
        height: 48px;
    }

    .nav-link {
        font-size: var(--font-size-sm);
        padding: var(--spacing-sm) var(--spacing-md);
    }

    /* Hero */
    .hero {
        padding: var(--spacing-3xl) 0 calc(var(--spacing-3xl) * 1.25);
    }

    .hero-title {
        font-size: 3rem !important;
    }

    .hero-subtitle {
        font-size: var(--font-size-xl) !important;
    }

    /* Sections */
    .section-title {
        font-size: 2.25rem !important;
    }

    /* Checkout */
    .checkout-grid {
        grid-template-columns: 1fr 420px;
    }

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

    /* Cart summary sticky */
    .cart-summary {
        position: sticky;
        top: calc(var(--header-height) + 48px);
    }
}

/* =====================================================
   LARGE DESKTOP (1280px and up)
   ===================================================== */
@media (min-width: 1280px) {
    .container {
        padding: 0 var(--spacing-xl);
    }

    .grid-4 {
        grid-template-columns: repeat(3, 1fr);
    }

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

    .hero-title {
        font-size: 3.5rem !important;
    }
}

/* =====================================================
   PRINT STYLES
   ===================================================== */
@media print {
    .header,
    .footer,
    .navbar,
    .flash-messages,
    .btn,
    .dropdown,
    .cart-btn {
        display: none !important;
    }

    .main-content {
        padding-top: 0;
    }

    body {
        font-size: 12pt;
        color: #000;
        background: #fff;
    }

    a {
        color: #000;
        text-decoration: underline;
    }

    .container {
        max-width: none;
        padding: 0;
    }
}

/* =====================================================
   REDUCED MOTION
   ===================================================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* =====================================================
   HIGH CONTRAST MODE
   ===================================================== */
@media (prefers-contrast: high) {
    :root {
        --color-primary: #d45500;
    }

    .btn-outline {
        border-width: 2px;
    }

    .form-input,
    .form-select,
    .form-textarea {
        border-width: 2px;
    }
}