/* ============================================
   FLEXS B2B - Base Styles
   Color scheme based on flexs.com.ar
   ============================================ */

/* CSS Custom Properties */
:root {
    /* Colors */
    --color-primary: #ff6b35;
    --color-primary-dark: #e55a2b;
    --color-primary-light: #ff8c5a;
    --color-primary-soft: rgba(255, 107, 53, 0.16);
    --color-secondary: #1a1a1a;
    --color-dark: #0d0d0d;
    --color-dark-light: #2a2a2a;
    --color-surface: #11161f;
    --color-surface-soft: #171d29;
    --color-surface-strong: #0b1017;
    --color-border-soft: rgba(255, 255, 255, 0.1);
    --color-gray: #4a4a4a;
    --color-gray-light: #888;
    --color-light: #f5f5f5;
    --color-white: #ffffff;
    --color-success: #28a745;
    --color-warning: #ffc107;
    --color-danger: #dc3545;
    --color-info: #17a2b8;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3.5rem;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.2);

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Container */
    --container-max: 1200px;
    --container-padding: 1.5rem;

    /* Layout */
    --header-offset: 100px;
}

/* Reset & Base */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    position: relative;
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-white);
    background:
        radial-gradient(circle at top left, rgba(255, 107, 53, 0.12), transparent 28%),
        radial-gradient(circle at 80% 0%, rgba(42, 125, 255, 0.08), transparent 24%),
        linear-gradient(180deg, #11151d 0%, #0e131a 38%, #090d13 100%);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
    background-size: 42px 42px;
    mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.65), transparent 86%);
    z-index: -1;
}

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

a:hover {
    color: var(--color-primary-light);
}

img {
    max-width: 100%;
    height: auto;
}

/* Container */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
}

/* ============================================
   Header & Navigation
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: linear-gradient(180deg, rgba(11, 14, 20, 0.96) 0%, rgba(16, 20, 28, 0.94) 100%);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.header.scrolled {
    background: rgba(11, 14, 20, 0.98);
    box-shadow: 0 18px 34px rgba(0, 0, 0, 0.32);
}

.header-top {
    background: rgba(0, 0, 0, 0.18);
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.header-contact {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: var(--spacing-md);
    font-size: var(--font-size-sm);
}

.header-contact a {
    color: var(--color-gray-light);
}

.header-contact a:hover {
    color: var(--color-primary);
}

.separator {
    color: var(--color-gray);
}

.navbar {
    padding: 16px 0;
}

.navbar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 18px;
    min-width: 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 10px 16px;
    border-radius: 18px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.18), rgba(255, 255, 255, 0.09));
    border: 1px solid rgba(255, 255, 255, 0.26);
    box-shadow: 0 16px 30px rgba(0, 0, 0, 0.22);
    flex: 0 0 auto;
}

.logo-text {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--color-white);
    letter-spacing: 2px;
}

.brand-logo.public-brand-logo {
    height: 56px;
    width: auto;
    display: block;
    filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.35));
}

.navbar-content .logo {
    margin-right: clamp(18px, 2.6vw, 36px);
}


.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    list-style: none;
    min-width: 0;
    flex: 1 1 auto;
    justify-content: flex-end;
    flex-wrap: nowrap;
    white-space: nowrap;
    overflow-x: auto;
    overflow-y: hidden;
    padding-bottom: 4px;
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 255, 255, 0.28) rgba(255, 255, 255, 0.08);
    scrollbar-gutter: stable;
    -webkit-overflow-scrolling: touch;
}

.nav-menu>li {
    flex: 0 0 auto;
}

.nav-menu::-webkit-scrollbar {
    height: 8px;
}

.nav-menu::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.08);
    border-radius: 999px;
}

.nav-menu::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.28);
    border-radius: 999px;
}

.nav-menu::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.42);
}

.nav-company-item {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    max-width: 100%;
}

.nav-company-label {
    color: var(--color-gray-light);
    font-size: var(--font-size-sm);
    white-space: nowrap;
}

.nav-company-switch {
    white-space: nowrap;
}

.nav-menu a {
    color: var(--color-white);
    font-weight: 500;
    padding: 10px 0;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width var(--transition-normal);
}

.nav-menu a:hover::after {
    width: 100%;
}

.nav-menu > li > a:not(.btn) {
    opacity: 0.92;
}

.nav-menu > li > a:not(.btn):hover {
    opacity: 1;
}

.nav-divider {
    width: 1px;
    height: 24px;
    background: var(--color-gray);
}

/* Cart Link */
.cart-link {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 999px;
    transition: background var(--transition-fast);
    font-size: 1.25rem;
}

.cart-link:hover {
    background: rgba(255, 255, 255, 0.1);
}

.cart-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background: var(--color-primary);
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 10px;
    min-width: 20px;
    text-align: center;
    line-height: 1.2;
}

/* Mobile Menu */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--color-white);
    transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 1560px) {
    .navbar {
        padding: 14px 0;
    }

    .navbar-content {
        align-items: flex-start;
    }

    .navbar-content .logo {
        margin-right: 18px;
    }

    .brand-logo.public-brand-logo {
        height: 48px;
    }

    .nav-menu {
        flex: 1 1 auto;
        justify-content: flex-start;
        flex-wrap: nowrap;
        gap: 0.7rem 1rem;
    }

    .nav-menu a {
        font-size: 0.92rem;
    }

    .nav-menu .btn {
        padding: 0.55rem 0.9rem;
        font-size: 0.76rem;
    }

    .nav-company-item {
        justify-content: flex-end;
        flex-wrap: wrap;
        gap: 0.4rem 0.6rem;
    }
}

@media (max-width: 1360px) {
    :root {
        --header-offset: 82px;
    }
    .header-top {
        display: none;
    }

    .navbar {
        padding: 12px 0;
    }

    .logo {
        padding: 6px 10px;
        border-radius: 10px;
    }

    .brand-logo.public-brand-logo {
        height: 44px;
        width: auto;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: var(--header-offset);
        left: 0;
        right: 0;
        background: var(--color-dark);
        flex-direction: column;
        padding: var(--spacing-xl);
        gap: var(--spacing-md);
        max-height: calc(100vh - var(--header-offset));
        overflow-y: auto;
        overflow-x: hidden;
        transform: translateY(-150%);
        opacity: 0;
        transition: var(--transition-normal);
        z-index: 999;
        flex-wrap: nowrap;
        white-space: normal;
        justify-content: flex-start;
        padding-bottom: var(--spacing-xl);
        scrollbar-gutter: auto;
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
    }

    .nav-divider {
        width: 100%;
        height: 1px;
    }

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

    .nav-company-item {
        width: 100%;
        justify-content: center;
        flex-direction: column;
        align-items: stretch;
    }

    .nav-company-label {
        text-align: center;
        white-space: normal;
    }

    .messages-container {
        padding-top: calc(var(--header-offset) + 13px);
    }

    .main-content {
        padding-top: var(--header-offset);
    }
}

@media (max-width: 576px) {
    :root {
        --container-padding: 1rem;
        --header-offset: 74px;
    }

    .brand-logo.public-brand-logo {
        height: 38px;
    }

    .logo {
        padding: 5px 8px;
    }

    .nav-menu {
        top: var(--header-offset);
        max-height: calc(100vh - var(--header-offset));
        padding: 14px;
    }

    .messages-container {
        padding-top: calc(var(--header-offset) + 12px);
    }

    .main-content {
        padding-top: var(--header-offset);
    }
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: var(--radius-md);
    border: 2px solid transparent;
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast), color var(--transition-fast);
    text-decoration: none;
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.16);
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, #ff8752 100%);
    color: var(--color-white);
    border-color: var(--color-primary);
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background: rgba(255, 255, 255, 0.04);
    color: var(--color-white);
    border-color: rgba(255, 255, 255, 0.25);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.98);
    color: var(--color-secondary);
}

.btn-info {
    background: rgba(23, 162, 184, 0.22);
    border-color: rgba(23, 162, 184, 0.5);
    color: var(--color-info);
}

.btn-info:hover {
    background: rgba(23, 162, 184, 0.35);
    color: var(--color-white);
}

.btn-danger {
    background: rgba(220, 53, 69, 0.22);
    border-color: rgba(220, 53, 69, 0.55);
    color: #ffb8c1;
}

.btn-danger:hover {
    background: rgba(220, 53, 69, 0.4);
    color: var(--color-white);
}

.btn-ghost {
    background: rgba(255, 255, 255, 0.03);
    color: var(--color-gray-light);
    border-color: rgba(255, 255, 255, 0.08);
    box-shadow: none;
}

.btn-ghost:hover {
    color: var(--color-white);
    background: rgba(255, 255, 255, 0.08);
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-base);
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 9px;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1.5;
}

.badge-info {
    background: rgba(23, 162, 184, 0.2);
    color: var(--color-info);
}

.badge-success {
    background: rgba(40, 167, 69, 0.2);
    color: var(--color-success);
}

.badge-warning {
    background: rgba(255, 193, 7, 0.2);
    color: var(--color-warning);
}

.badge-danger {
    background: rgba(220, 53, 69, 0.2);
    color: var(--color-danger);
}

.badge-secondary {
    background: rgba(128, 128, 128, 0.2);
    color: var(--color-gray-light);
}

/* ============================================
   Alerts & Messages
   ============================================ */
.messages-container {
    padding-top: calc(var(--header-offset) + 20px);
}

.alert {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.alert-success {
    background: rgba(40, 167, 69, 0.2);
    border: 1px solid var(--color-success);
    color: var(--color-success);
}

.alert-warning {
    background: rgba(255, 193, 7, 0.2);
    border: 1px solid var(--color-warning);
    color: var(--color-warning);
}

.alert-error,
.alert-danger {
    background: rgba(220, 53, 69, 0.2);
    border: 1px solid var(--color-danger);
    color: var(--color-danger);
}

.alert-info {
    background: rgba(23, 162, 184, 0.2);
    border: 1px solid var(--color-info);
    color: var(--color-info);
}

.alert-close {
    background: none;
    border: none;
    color: inherit;
    font-size: var(--font-size-xl);
    cursor: pointer;
    opacity: 0.7;
}

.alert-close:hover {
    opacity: 1;
}

/* ============================================
   Main Content
   ============================================ */
.main-content {
    flex: 1;
    padding-top: var(--header-offset);
}

.main-content section[id] {
    scroll-margin-top: calc(var(--header-offset) + 12px);
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: linear-gradient(180deg, rgba(9, 13, 19, 0.98), rgba(5, 8, 12, 1));
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
    margin-top: auto;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-title {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.footer-section h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
}

.footer-section p {
    color: var(--color-gray-light);
    line-height: 1.8;
}

.footer-section a {
    color: var(--color-gray-light);
}

.footer-section a:hover {
    color: var(--color-primary);
}

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

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

/* ============================================
   Forms
   ============================================ */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
    color: var(--color-white);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--spacing-md);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    color: var(--color-white);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.04));
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.2);
}

/*
   Native select dropdowns on Windows/Chrome often render with a light
   system popup. If the option text inherits the dark-theme white color,
   the list looks blank. Force dark text inside the popup so all selects
   remain legible across the project.
*/
.form-select option,
.form-select optgroup,
select option,
select optgroup {
    color: #10151f;
    background-color: #f4f6fa;
}

.form-input::placeholder {
    color: var(--color-gray-light);
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
}

.form-error {
    color: var(--color-danger);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
}

/* ============================================
   Cards
   ============================================ */
.card {
    background: linear-gradient(180deg, rgba(22, 28, 38, 0.92), rgba(13, 17, 24, 0.96));
    border-radius: 22px;
    padding: var(--spacing-xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 24px 50px rgba(0, 0, 0, 0.24);
}

.section-subtitle {
    margin-top: 6px;
    color: #aab4c5;
    max-width: 62ch;
    line-height: 1.7;
}

.card-header {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.card-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
}

/* ============================================
   Utilities
   ============================================ */
.text-center {
    text-align: center;
}

.text-primary {
    color: var(--color-primary);
}

.text-muted {
    color: var(--color-gray-light);
}

.mt-1 {
    margin-top: var(--spacing-sm);
}

.mt-2 {
    margin-top: var(--spacing-md);
}

.mt-3 {
    margin-top: var(--spacing-lg);
}

.mt-4 {
    margin-top: var(--spacing-xl);
}

.mb-1 {
    margin-bottom: var(--spacing-sm);
}

.mb-2 {
    margin-bottom: var(--spacing-md);
}

.mb-3 {
    margin-bottom: var(--spacing-lg);
}

.mb-4 {
    margin-bottom: var(--spacing-xl);
}

.py-1 {
    padding-top: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
}

.py-2 {
    padding-top: var(--spacing-md);
    padding-bottom: var(--spacing-md);
}

.py-3 {
    padding-top: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
}

.py-4 {
    padding-top: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
}

.flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

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

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

.justify-between {
    justify-content: space-between;
}

.gap-1 {
    gap: var(--spacing-sm);
}

.gap-2 {
    gap: var(--spacing-md);
}

.gap-3 {
    gap: var(--spacing-lg);
}

@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;
    }
}