/* ============================================
   SYMBION - Tecnologia em simbiose com você
   Design System & Global Styles
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Lato:wght@300;400;700;900&family=Advent+Pro:wght@300;400;500;600;700&display=swap');

/* --- CSS Variables / Theme --- */
:root {
    /* Brand Colors */
    --azul-simbiotico: #0b9299;
    --azul-hover: #0aa8b0;
    --azul-dark: #087a80;
    --azul-glow: rgba(11, 146, 153, 0.3);
    --grafite: #303030;
    --grafite-light: #3d3d3d;
    --grafite-dark: #1a1a1a;
    --branco: #f4f4f4;
    --branco-puro: #ffffff;

    /* Dark Theme (default) */
    --bg-primary: #1a1a1a;
    --bg-secondary: #242424;
    --bg-card: #2a2a2a;
    --bg-card-hover: #333333;
    --bg-input: #333333;
    --text-primary: #f4f4f4;
    --text-secondary: #b0b0b0;
    --text-muted: #777777;
    --border-color: #3a3a3a;
    --border-light: #444444;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.4);
    --shadow-lg: 0 8px 40px rgba(0,0,0,0.5);
    --shadow-glow: 0 0 30px rgba(11, 146, 153, 0.15);

    /* Spacing */
    --section-padding: 100px 0;
    --container-width: 1200px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;

    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Light Theme */
[data-theme="light"] {
    --bg-primary: #f4f4f4;
    --bg-secondary: #eaeaea;
    --bg-card: #ffffff;
    --bg-card-hover: #f8f8f8;
    --bg-input: #ffffff;
    --text-primary: #1a1a1a;
    --text-secondary: #555555;
    --text-muted: #888888;
    --border-color: #e0e0e0;
    --border-light: #d0d0d0;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 40px rgba(0,0,0,0.12);
    --shadow-glow: 0 0 30px rgba(11, 146, 153, 0.1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Lato', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    transition: background var(--transition-smooth), color var(--transition-smooth);
}

a { color: var(--azul-simbiotico); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--azul-hover); }

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

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* --- Scrollbar --- */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-secondary); }
::-webkit-scrollbar-thumb { background: var(--azul-simbiotico); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--azul-hover); }

/* --- Selection --- */
::selection { background: var(--azul-simbiotico); color: #fff; }

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    background: transparent;
    transition: all var(--transition-smooth);
}

.navbar.scrolled {
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 10px 0;
    box-shadow: 0 2px 30px rgba(0,0,0,0.3);
}

[data-theme="light"] .navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 30px rgba(0,0,0,0.08);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
}

.navbar-brand img {
    height: 40px;
    width: auto;
}

.navbar-brand span {
    font-family: 'Advent Pro', sans-serif;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.navbar-nav {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
}

.navbar-nav a {
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    position: relative;
}

.navbar-nav a:hover,
.navbar-nav a.active {
    color: var(--azul-simbiotico);
    background: rgba(11, 146, 153, 0.08);
}

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

/* Theme Toggle */
.theme-toggle {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    width: 42px;
    height: 42px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    transition: all var(--transition-fast);
}

.theme-toggle:hover {
    border-color: var(--azul-simbiotico);
    box-shadow: var(--shadow-glow);
    transform: rotate(15deg);
}

/* Mobile Menu */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 8px;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    font-family: 'Lato', sans-serif;
    font-size: 0.95rem;
    font-weight: 700;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-transform: none;
    letter-spacing: 0.3px;
}

.btn-primary {
    background: var(--azul-simbiotico);
    color: #fff;
    box-shadow: 0 4px 15px rgba(11, 146, 153, 0.3);
}

.btn-primary:hover {
    background: var(--azul-hover);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(11, 146, 153, 0.4);
}

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

.btn-secondary:hover {
    border-color: var(--azul-simbiotico);
    color: var(--azul-simbiotico);
    transform: translateY(-2px);
}

.btn-ghost {
    background: rgba(11, 146, 153, 0.1);
    color: var(--azul-simbiotico);
    border: 1px solid transparent;
}

.btn-ghost:hover {
    background: rgba(11, 146, 153, 0.2);
    border-color: var(--azul-simbiotico);
}

.btn-whatsapp {
    background: #25D366;
    color: #fff;
}

.btn-whatsapp:hover {
    background: #20bd5a;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(37, 211, 102, 0.3);
}

.btn-sm { padding: 8px 18px; font-size: 0.85rem; }
.btn-lg { padding: 16px 36px; font-size: 1.05rem; }
.btn-block { width: 100%; }

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 20% 50%, rgba(11, 146, 153, 0.15) 0%, transparent 60%),
                radial-gradient(ellipse at 80% 20%, rgba(11, 146, 153, 0.08) 0%, transparent 50%);
}

.hero-bg .grafismo {
    position: absolute;
    right: -100px;
    top: 50%;
    transform: translateY(-50%);
    width: 600px;
    height: 600px;
    opacity: 0.06;
}

.hero-bg .grafismo svg {
    width: 100%;
    height: 100%;
}

/* Animated grid texture */
.hero-bg .grid-texture {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(11,146,153,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(11,146,153,0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

.hero .container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content { max-width: 560px; }

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: rgba(11, 146, 153, 0.12);
    border: 1px solid rgba(11, 146, 153, 0.25);
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--azul-simbiotico);
    margin-bottom: 24px;
    animation: fadeInUp 0.6s ease both;
}

.hero-badge .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--azul-simbiotico);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
}

.hero h1 {
    font-family: 'Lato', sans-serif;
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 24px;
    animation: fadeInUp 0.6s ease 0.1s both;
}

.hero h1 .highlight {
    color: var(--azul-simbiotico);
    position: relative;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 36px;
    animation: fadeInUp 0.6s ease 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    animation: fadeInUp 0.6s ease 0.3s both;
}

.hero-visual {
    position: relative;
    animation: fadeInRight 0.8s ease 0.3s both;
}

.hero-visual .mockup-container {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

.hero-visual .mockup-container img {
    width: 100%;
    display: block;
}

/* Floating elements */
.float-card {
    position: absolute;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 16px 20px;
    box-shadow: var(--shadow-md);
    animation: float 6s ease-in-out infinite;
}

.float-card.card-1 {
    top: 10%;
    right: -40px;
    animation-delay: 0s;
}

.float-card.card-2 {
    bottom: 15%;
    left: -30px;
    animation-delay: 2s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

/* ============================================
   SECTIONS GENERAL
   ============================================ */
.section {
    padding: var(--section-padding);
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 60px;
}

.section-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--azul-simbiotico);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 16px;
}

.section-label::before,
.section-label::after {
    content: '';
    width: 20px;
    height: 1px;
    background: var(--azul-simbiotico);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ============================================
   FEATURES / DIFERENCIAIS
   ============================================ */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 36px;
    transition: all var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--azul-simbiotico);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-smooth);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: rgba(11, 146, 153, 0.3);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-sm);
    background: rgba(11, 146, 153, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--azul-simbiotico);
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ============================================
   SOLUTIONS / PRODUCTS
   ============================================ */
.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 28px;
}

.solution-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all var(--transition-smooth);
    cursor: pointer;
    position: relative;
}

.solution-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(11, 146, 153, 0.3);
}

.solution-card .card-image {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.solution-card .card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-smooth);
}

.solution-card:hover .card-image img {
    transform: scale(1.05);
}

.solution-card .card-image .overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.6) 0%, transparent 60%);
}

.solution-card .card-body {
    padding: 24px;
}

.solution-card .card-tag {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(11, 146, 153, 0.12);
    color: var(--azul-simbiotico);
    font-size: 0.8rem;
    font-weight: 700;
    border-radius: 20px;
    margin-bottom: 12px;
}

.solution-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.solution-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.solution-card .card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

/* No image placeholder */
.no-image {
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-card));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--azul-simbiotico);
    font-size: 3rem;
    height: 100%;
}

/* ============================================
   SOLUTION DETAIL PAGE
   ============================================ */
.solution-detail {
    padding-top: 120px;
}

.solution-gallery {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 12px;
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: 40px;
}

.solution-gallery .main-image {
    height: 400px;
    overflow: hidden;
}

.solution-gallery .main-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.solution-gallery .side-images {
    display: grid;
    gap: 12px;
}

.solution-gallery .side-images img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.solution-info {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
}

.solution-description h1 {
    font-size: 2.2rem;
    font-weight: 900;
    margin-bottom: 16px;
}

.solution-description .description-text {
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.8;
}

.solution-sidebar {
    position: sticky;
    top: 100px;
}

.solution-cta-box {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 32px;
}

.solution-cta-box h3 {
    font-size: 1.3rem;
    margin-bottom: 8px;
}

.solution-cta-box p {
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.solution-cta-box .btn {
    width: 100%;
    margin-bottom: 12px;
}

/* Video container */
.video-container {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    border-radius: var(--radius-md);
    overflow: hidden;
    margin: 24px 0;
    background: var(--bg-secondary);
}

.video-container iframe,
.video-container video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
    background: linear-gradient(135deg, var(--azul-dark) 0%, var(--azul-simbiotico) 50%, var(--azul-hover) 100%);
    padding: 80px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(255,255,255,0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(255,255,255,0.05) 0%, transparent 50%);
}

.cta-section .container { position: relative; z-index: 1; }

.cta-section h2 {
    font-size: 2.5rem;
    font-weight: 900;
    color: #fff;
    margin-bottom: 16px;
}

.cta-section p {
    color: rgba(255,255,255,0.85);
    font-size: 1.1rem;
    margin-bottom: 32px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.cta-section .btn {
    background: #fff;
    color: var(--azul-simbiotico);
    font-weight: 700;
}

.cta-section .btn:hover {
    background: var(--branco);
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(0,0,0,0.2);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 60px 0 24px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand img { height: 36px; margin-bottom: 16px; }

.footer-brand p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    max-width: 300px;
}

.footer-col h4 {
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
    color: var(--text-primary);
}

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

.footer-col li { margin-bottom: 8px; }

.footer-col a {
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}

.footer-col a:hover { color: var(--azul-simbiotico); }

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ============================================
   AUTH PAGES (Login/Register)
   ============================================ */
.auth-page {
    min-height: 100vh;
    display: flex;
}

.auth-left {
    flex: 1;
    background: linear-gradient(135deg, var(--grafite-dark), var(--grafite));
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 40px;
}

.auth-left::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 50% 50%, rgba(11,146,153,0.2), transparent 70%);
}

.auth-left .content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: #fff;
}

.auth-left .content img { height: 60px; margin: 0 auto 24px; }

.auth-left .content h2 {
    font-size: 2rem;
    font-weight: 900;
    margin-bottom: 12px;
}

.auth-left .content p {
    color: rgba(255,255,255,0.7);
    font-size: 1rem;
}

.auth-right {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    background: var(--bg-primary);
}

.auth-form {
    width: 100%;
    max-width: 420px;
}

.auth-form h1 {
    font-size: 1.8rem;
    font-weight: 900;
    margin-bottom: 8px;
}

.auth-form .subtitle {
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--text-primary);
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: 'Lato', sans-serif;
    font-size: 0.95rem;
    transition: all var(--transition-fast);
    outline: none;
}

.form-control:focus {
    border-color: var(--azul-simbiotico);
    box-shadow: 0 0 0 3px rgba(11, 146, 153, 0.15);
}

.form-control::placeholder { color: var(--text-muted); }

textarea.form-control { resize: vertical; min-height: 100px; }

.form-check {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 20px;
}

.form-check input[type="checkbox"] {
    accent-color: var(--azul-simbiotico);
}

.auth-links {
    text-align: center;
    margin-top: 24px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Alert messages */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

.alert-error {
    background: rgba(220, 53, 69, 0.1);
    color: #dc3545;
    border: 1px solid rgba(220, 53, 69, 0.2);
}

.alert-success {
    background: rgba(40, 167, 69, 0.1);
    color: #28a745;
    border: 1px solid rgba(40, 167, 69, 0.2);
}

/* ============================================
   ADMIN PANEL
   ============================================ */
.admin-layout {
    display: flex;
    min-height: 100vh;
}

.admin-sidebar {
    width: 260px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    padding: 24px 0;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: 100;
}

.admin-sidebar .brand {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0 20px 24px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 16px;
}

.admin-sidebar .brand img { height: 32px; }

.admin-sidebar .brand span {
    font-family: 'Advent Pro', sans-serif;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
}

.admin-sidebar .brand small {
    display: block;
    font-size: 0.7rem;
    color: var(--azul-simbiotico);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.admin-nav { list-style: none; padding: 0 12px; }

.admin-nav li { margin-bottom: 2px; }

.admin-nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.admin-nav a:hover,
.admin-nav a.active {
    background: rgba(11, 146, 153, 0.1);
    color: var(--azul-simbiotico);
}

.admin-nav a .icon { font-size: 1.1rem; width: 20px; text-align: center; }

.admin-main {
    flex: 1;
    margin-left: 260px;
    padding: 24px 32px;
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.admin-header h1 {
    font-size: 1.5rem;
    font-weight: 900;
}

/* Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px;
    transition: all var(--transition-fast);
}

.stat-card:hover {
    border-color: rgba(11, 146, 153, 0.3);
    box-shadow: var(--shadow-sm);
}

.stat-card .stat-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    margin-bottom: 12px;
}

.stat-card .stat-icon.blue { background: rgba(11,146,153,0.12); color: var(--azul-simbiotico); }
.stat-card .stat-icon.green { background: rgba(40,167,69,0.12); color: #28a745; }
.stat-card .stat-icon.orange { background: rgba(255,165,0,0.12); color: #ffa500; }
.stat-card .stat-icon.purple { background: rgba(111,66,193,0.12); color: #6f42c1; }

.stat-card .stat-value {
    font-size: 2rem;
    font-weight: 900;
    line-height: 1;
    margin-bottom: 4px;
}

.stat-card .stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Data Tables */
.data-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.data-table th,
.data-table td {
    padding: 14px 18px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
}

.data-table th {
    background: var(--bg-secondary);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.78rem;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
}

.data-table tr:last-child td { border-bottom: none; }

.data-table tr:hover td {
    background: rgba(11, 146, 153, 0.03);
}

.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
}

.badge-active { background: rgba(40,167,69,0.12); color: #28a745; }
.badge-inactive { background: rgba(220,53,69,0.12); color: #dc3545; }
.badge-admin { background: rgba(11,146,153,0.12); color: var(--azul-simbiotico); }

/* Admin Forms */
.admin-form-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 32px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-section {
    margin-bottom: 28px;
    padding-bottom: 28px;
    border-bottom: 1px solid var(--border-color);
}

.form-section:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }

.form-section h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--azul-simbiotico);
}

.toggle-switch {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
}

.toggle-switch input { display: none; }

.toggle-slider {
    width: 48px;
    height: 26px;
    background: var(--border-color);
    border-radius: 13px;
    position: relative;
    transition: background var(--transition-fast);
}

.toggle-slider::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #fff;
    top: 3px;
    left: 3px;
    transition: transform var(--transition-fast);
}

.toggle-switch input:checked + .toggle-slider {
    background: var(--azul-simbiotico);
}

.toggle-switch input:checked + .toggle-slider::after {
    transform: translateX(22px);
}

/* File Upload */
.file-upload {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    padding: 32px;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.file-upload:hover {
    border-color: var(--azul-simbiotico);
    background: rgba(11, 146, 153, 0.03);
}

.file-upload input { display: none; }

.file-upload .icon { font-size: 2rem; color: var(--text-muted); margin-bottom: 8px; }

.file-upload p { color: var(--text-secondary); font-size: 0.9rem; }

.file-preview {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 12px;
}

.file-preview .preview-item {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    position: relative;
    border: 1px solid var(--border-color);
}

.file-preview .preview-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.file-preview .preview-item .remove-btn {
    position: absolute;
    top: 2px;
    right: 2px;
    width: 20px;
    height: 20px;
    background: rgba(220,53,69,0.9);
    color: #fff;
    border: none;
    border-radius: 50%;
    font-size: 0.7rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

@keyframes fadeInRight {
    from { opacity: 0; transform: translateX(40px); }
    to { opacity: 1; transform: translateX(0); }
}

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

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger children */
.stagger-children > * {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.stagger-children.visible > *:nth-child(1) { transition-delay: 0.1s; opacity: 1; transform: translateY(0); }
.stagger-children.visible > *:nth-child(2) { transition-delay: 0.2s; opacity: 1; transform: translateY(0); }
.stagger-children.visible > *:nth-child(3) { transition-delay: 0.3s; opacity: 1; transform: translateY(0); }
.stagger-children.visible > *:nth-child(4) { transition-delay: 0.4s; opacity: 1; transform: translateY(0); }
.stagger-children.visible > *:nth-child(5) { transition-delay: 0.5s; opacity: 1; transform: translateY(0); }
.stagger-children.visible > *:nth-child(6) { transition-delay: 0.6s; opacity: 1; transform: translateY(0); }

/* ============================================
   LOADING / SKELETON
   ============================================ */
.page-loader {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease;
}

.page-loader.hidden {
    opacity: 0;
    pointer-events: none;
}

.loader-icon {
    width: 60px;
    height: 60px;
    animation: loaderSpin 1.5s ease-in-out infinite;
}

@keyframes loaderSpin {
    0% { transform: rotate(0deg) scale(1); }
    50% { transform: rotate(180deg) scale(1.1); }
    100% { transform: rotate(360deg) scale(1); }
}

/* ============================================
   EMPTY STATE
   ============================================ */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.empty-state .icon {
    font-size: 3rem;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state h3 {
    font-size: 1.2rem;
    margin-bottom: 8px;
    color: var(--text-primary);
}

/* ============================================
   MODAL
   ============================================ */
.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(8px);
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal-overlay.show { display: flex; }

.modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    max-width: 500px;
    width: 100%;
    padding: 32px;
    animation: fadeInUp 0.3s ease;
}

.modal-content h2 {
    font-size: 1.3rem;
    margin-bottom: 16px;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .hero .container { grid-template-columns: 1fr; }
    .hero-visual { display: none; }
    .hero h1 { font-size: 2.8rem; }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
    .solution-info { grid-template-columns: 1fr; }
    .admin-sidebar { display: none; }
    .admin-main { margin-left: 0; }
}

@media (max-width: 768px) {
    .navbar-nav { display: none; }
    .hamburger { display: flex; }
    .hero h1 { font-size: 2.2rem; }
    .hero-buttons { flex-direction: column; }
    .section { padding: 60px 0; }
    .section-title { font-size: 2rem; }
    .features-grid { grid-template-columns: 1fr; }
    .solutions-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .auth-left { display: none; }
    .solution-gallery { grid-template-columns: 1fr; }

    /* Mobile menu */
    .navbar-nav.open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-secondary);
        border-bottom: 1px solid var(--border-color);
        padding: 16px;
        box-shadow: var(--shadow-md);
    }
}

@media (max-width: 480px) {
    .hero h1 { font-size: 1.8rem; }
    .stats-grid { grid-template-columns: 1fr; }
    .container { padding: 0 16px; }
}