/* ============================================
   PALETA DE COLORES - MODULAR DROP-IN
   ============================================ */

/* ===== PALETA 1: Corporate Blue (ACTIVA) ===== */
:root {
    --primary: #0066FF;
    --secondary: #00A3FF;
    --accent: #FFFFFF;
    --dark: #000000;
    --dark-bg: #0A0A0A;
    --gradient1: #001F3F;
    --gradient2: #0066FF;
    --gradient3: #00A3FF;
    --text: #FFFFFF;
    --text-dark: #000000;
    --border: #0066FF;
    --glow: rgba(0, 102, 255, 0.5);
}

/* ===== PALETA 2: Gold & Black (Luxury) ===== */
/*
:root {
    --primary: #FFD700;
    --secondary: #FFA500;
    --accent: #FFFFFF;
    --dark: #000000;
    --dark-bg: #0A0A0A;
    --gradient1: #1A1A00;
    --gradient2: #3D3D00;
    --gradient3: #FFD700;
    --text: #FFFFFF;
    --text-dark: #000000;
    --border: #FFD700;
    --glow: rgba(255, 215, 0, 0.5);
}
*/

/* ===== PALETA 3: Neon Cyan & Magenta ===== */
/*
:root {
    --primary: #00FFFF;
    --secondary: #FF00FF;
    --accent: #FFFFFF;
    --dark: #000000;
    --dark-bg: #0D0D0D;
    --gradient1: #001a1a;
    --gradient2: #003333;
    --gradient3: #00FFFF;
    --text: #FFFFFF;
    --text-dark: #000000;
    --border: #00FFFF;
    --glow: rgba(0, 255, 255, 0.6);
}
*/

/* ===== PALETA 4: Red & Black (Aggressive) ===== */
/*
:root {
    --primary: #FF0000;
    --secondary: #FF4444;
    --accent: #FFFFFF;
    --dark: #000000;
    --dark-bg: #0A0A0A;
    --gradient1: #1A0000;
    --gradient2: #330000;
    --gradient3: #FF0000;
    --text: #FFFFFF;
    --text-dark: #000000;
    --border: #FF0000;
    --glow: rgba(255, 0, 0, 0.5);
}
*/

/* ===== PALETA 5: Lime Green & Black (Matrix) ===== */
/*
:root {
    --primary: #00FF00;
    --secondary: #39FF14;
    --accent: #FFFFFF;
    --dark: #000000;
    --dark-bg: #0A0A0A;
    --gradient1: #001a00;
    --gradient2: #003300;
    --gradient3: #00FF00;
    --text: #FFFFFF;
    --text-dark: #000000;
    --border: #00FF00;
    --glow: rgba(0, 255, 0, 0.5);
}
*/

/* ===== PALETA 6: Purple & Pink (Vaporwave) ===== */
/*
:root {
    --primary: #9D00FF;
    --secondary: #FF00FF;
    --accent: #FFFFFF;
    --dark: #000000;
    --dark-bg: #0A0A0A;
    --gradient1: #1a001a;
    --gradient2: #330033;
    --gradient3: #9D00FF;
    --text: #FFFFFF;
    --text-dark: #000000;
    --border: #9D00FF;
    --glow: rgba(157, 0, 255, 0.5);
}
*/

/* ===== PALETA 7: Orange & Black (Energy) ===== */
/*
:root {
    --primary: #FF6600;
    --secondary: #FF9933;
    --accent: #FFFFFF;
    --dark: #000000;
    --dark-bg: #0A0A0A;
    --gradient1: #1a0f00;
    --gradient2: #331a00;
    --gradient3: #FF6600;
    --text: #FFFFFF;
    --text-dark: #000000;
    --border: #FF6600;
    --glow: rgba(255, 102, 0, 0.5);
}
*/

/* ===== PALETA 8: White & Black (Minimalist) ===== */
/*
:root {
    --primary: #FFFFFF;
    --secondary: #CCCCCC;
    --accent: #FFFFFF;
    --dark: #000000;
    --dark-bg: #0A0A0A;
    --gradient1: #0A0A0A;
    --gradient2: #1A1A1A;
    --gradient3: #333333;
    --text: #FFFFFF;
    --text-dark: #000000;
    --border: #FFFFFF;
    --glow: rgba(255, 255, 255, 0.3);
}
*/

/* ===== PALETA 9: Amber & Black (Retro Terminal) ===== */
/*
:root {
    --primary: #FFBF00;
    --secondary: #FFA500;
    --accent: #FFBF00;
    --dark: #000000;
    --dark-bg: #0A0A0A;
    --gradient1: #1a1400;
    --gradient2: #332800;
    --gradient3: #FFBF00;
    --text: #FFBF00;
    --text-dark: #000000;
    --border: #FFBF00;
    --glow: rgba(255, 191, 0, 0.4);
}
*/

/* ===== PALETA 10: Teal & Black (Tech) ===== */
/*
:root {
    --primary: #00CED1;
    --secondary: #20B2AA;
    --accent: #FFFFFF;
    --dark: #000000;
    --dark-bg: #0A0A0A;
    --gradient1: #001a1a;
    --gradient2: #003333;
    --gradient3: #00CED1;
    --text: #FFFFFF;
    --text-dark: #000000;
    --border: #00CED1;
    --glow: rgba(0, 206, 209, 0.5);
}
*/

/* ============================================
   RESET & BASE
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Orbitron', monospace;
    background-color: var(--dark);
    color: var(--text);
    overflow-x: hidden;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* ============================================
   HEADER
   ============================================ */
#header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: var(--dark);
    border-bottom: 4px solid var(--primary);
}

.header-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-box {
    width: 48px;
    height: 48px;
    border: 4px solid var(--primary);
    background-color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.logo-box svg {
    color: var(--accent);
}

.logo-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
    -webkit-backface-visibility: hidden;
    -moz-backface-visibility: hidden;
    backface-visibility: hidden;
    transform: translateZ(0);
    -webkit-font-smoothing: subpixel-antialiased;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 900;
    letter-spacing: -0.05em;
    color: var(--accent);
    text-shadow: 2px 2px 0px var(--primary);
}

.logo-subtitle {
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    color: var(--secondary);
}

.user-section {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-display {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.5rem 1rem;
    border: 2px solid var(--primary);
    color: var(--accent);
    font-size: 0.875rem;
}

.btn-login,
.btn-logout {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border: 2px solid var(--primary);
    background: transparent;
    color: var(--accent);
    font-family: inherit;
    font-weight: bold;
    font-size: 0.875rem;
    cursor: pointer;
    transition: opacity 0.3s;
    white-space: nowrap;
}

.btn-logout {
    border-color: var(--secondary);
    color: var(--secondary);
}

.btn-login:hover,
.btn-logout:hover {
    opacity: 0.8;
}

/* Header Mobile Optimization */
@media (max-width: 768px) {
    #header {
        border-bottom-width: 3px;
    }
    
    .header-container {
        padding: 0.75rem 0.5rem;
        gap: 0.5rem;
    }
    
    .logo-section {
        gap: 0.5rem;
    }
    
    .logo-box {
        width: 40px;
        height: 40px;
        border-width: 3px;
    }
    
    .logo-text {
        font-size: 1.25rem;
    }
    
    .logo-subtitle {
        font-size: 0.6rem;
        letter-spacing: 0.1em;
    }
    
    .user-display {
        padding: 0.4rem 0.75rem;
        font-size: 0.75rem;
        gap: 0.5rem;
    }
    
    .btn-login,
    .btn-logout {
        padding: 0.4rem 0.75rem;
        font-size: 0.75rem;
        gap: 0.25rem;
    }
}

@media (max-width: 480px) {
    .header-container {
        padding: 0.6rem 0.5rem;
    }
    
    .logo-box {
        width: 36px;
        height: 36px;
        border-width: 2px;
    }
    
    .logo-text {
        font-size: 1.1rem;
    }
    
    .logo-subtitle {
        font-weight:bold;
        font-size: 0.65rem;  /* ← Mantener visible, solo más pequeño */
        letter-spacing: 0.05em;    }
    
    .user-display span {
        display: none; /* Ocultar email en móvil */
    }
    
    .btn-login span,
    .btn-logout span {
        display: none; /* Solo mostrar iconos */
    }
    
    .btn-login,
    .btn-logout {
        padding: 0.5rem;
        min-width: 40px;
        justify-content: center;
    }
}

@media (max-width: 360px) {
    .logo-box {
        width: 32px;
        height: 32px;
    }
    
    .logo-text {
        font-size: 1rem;
    }
}

/* ============================================
   MODAL
   ============================================ */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.8);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.modal.active {
    display: flex;
}

.modal-content {
    background-color: var(--dark);
    border: 4px solid var(--primary);
    padding: 2rem;
    max-width: 500px;
    width: 100%;
}

.modal-content h2 {
    font-size: 2rem;
    font-weight: 900;
    color: var(--accent);
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: bold;
    color: var(--secondary);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--primary);
    background-color: var(--dark-bg);
    color: var(--accent);
    font-family: inherit;
    font-size: 1rem;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary);
}

.form-group textarea {
    resize: vertical;
}

.error-message {
    padding: 0.75rem;
    border: 2px solid #FF0000;
    background-color: rgba(255, 0, 0, 0.1);
    color: #FF0000;
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.btn-primary {
    width: 100%;
    padding: 0.75rem;
    border: 4px solid var(--dark);
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    color: var(--accent);
    font-family: inherit;
    font-weight: 900;
    font-size: 1rem;
    cursor: pointer;
    transition: transform 0.2s;
}

.btn-primary:hover {
    transform: scale(1.02);
}

.auth-toggle {
    margin: 1.5rem 0;
    text-align: center;
}

.btn-text {
    background: none;
    border: none;
    color: var(--secondary);
    font-family: inherit;
    font-size: 0.875rem;
    cursor: pointer;
    transition: opacity 0.3s;
}

.btn-text:hover {
    opacity: 0.7;
}

.btn-secondary {
    width: 100%;
    padding: 0.5rem;
    border: 2px solid var(--secondary);
    background: transparent;
    color: var(--secondary);
    font-family: inherit;
    font-weight: bold;
    cursor: pointer;
    transition: opacity 0.3s;
}

.btn-secondary:hover {
    opacity: 0.8;
}

@media (max-width: 480px) {
    .modal-content {
        padding: 1.5rem;
        border-width: 3px;
    }
    
    .modal-content h2 {
        font-size: 1.5rem;
    }
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    border: 8px solid var(--primary);
    margin-top: 80px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--gradient1) 0%, var(--gradient2) 50%, var(--gradient3) 100%);
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image: 
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 50px,
            var(--glow) 50px,
            var(--glow) 51px
        ),
        repeating-linear-gradient(
            90deg,
            transparent,
            transparent 50px,
            var(--glow) 50px,
            var(--glow) 51px
        );
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    padding: 1rem;
    max-width: 90%;
}

.hero-box {
    border: 8px solid var(--accent);
    background-color: var(--dark);
    padding: 3rem 2rem;
    margin-bottom: 2rem;
    transform: skewX(-2deg);
    box-shadow: 0 0 50px var(--glow);
}

.hero-title {
    font-size: clamp(2.5rem, 8vw, 8rem);
    font-weight: 900;
    letter-spacing: -0.05em;
    color: var(--accent);
    text-shadow: 4px 4px 0px var(--primary), 8px 8px 0px var(--secondary);
}

.hero-line {
    height: 12px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--secondary) 50%, var(--accent) 100%);
    margin-top: 1rem;
}

.hero-subtitle {
    font-size: clamp(1rem, 3vw, 3rem);
    font-weight: 900;
    letter-spacing: 0.05em;
    color: var(--secondary);
    margin-bottom: 2rem;
    line-height: 1.3;
}

.hero-badge {
    display: flex;
    gap: 1rem;
    justify-content: center;
    align-items: center;
    color: var(--accent);
    font-size: clamp(0.875rem, 2vw, 1.25rem);
    font-weight: bold;
    flex-wrap: wrap;
}

.badge-square {
    width: 12px;
    height: 12px;
    background-color: var(--primary);
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
    z-index: 15;
}

.scroll-indicator svg {
    color: var(--primary);
    transform: rotate(90deg);
}

@keyframes bounce {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    50% {
        transform: translateX(-50%) translateY(-20px);
    }
}

/* ============================================
   LOGO CAROUSEL - ASSEMBLY LINE
   ============================================ */
.logo-carousel {
    width: 100%;
    max-width: 900px;
    margin: 2rem auto;
    padding: 1.5rem 0;
    overflow: hidden;
    position: relative;
    border-top: 4px solid var(--primary);
    border-bottom: 4px solid var(--primary);
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(0, 102, 255, 0.1) 20%, 
        rgba(0, 102, 255, 0.1) 80%, 
        transparent 100%
    );
}

.logo-carousel::before,
.logo-carousel::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 100px;
    z-index: 2;
    pointer-events: none;
}

.logo-carousel::before {
    left: 0;
    background: linear-gradient(90deg, 
        var(--gradient1) 0%, 
        transparent 100%
    );
}

.logo-carousel::after {
    right: 0;
    background: linear-gradient(90deg, 
        transparent 0%, 
        var(--gradient1) 100%
    );
}

.logo-track {
    display: flex;
    gap: 3rem;
    animation: scroll-logos 30s linear infinite;
    width: fit-content;
}

.logo-carousel:hover .logo-track {
    animation-play-state: paused;
}

.logo-item {
    flex-shrink: 0;
    width: 120px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.95);
    border: 3px solid var(--primary);
    padding: 1rem;
    transition: all 0.3s ease;
    position: relative;
}

.logo-item::before {
    content: '';
    position: absolute;
    inset: -3px;
    border: 2px solid var(--secondary);
    opacity: 0;
    transition: opacity 0.3s;
}

.logo-item:hover {
    transform: scale(1.1) translateY(-5px);
    border-color: var(--secondary);
    box-shadow: 0 8px 20px var(--glow);
}

.logo-item:hover::before {
    opacity: 1;
}

.logo-item img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    filter: grayscale(0%);
    transition: filter 0.3s;
}

.logo-carousel:not(:hover) .logo-item img {
    filter: grayscale(20%);
}

.logo-item:hover img {
    filter: grayscale(0%) brightness(1.1);
}

@keyframes scroll-logos {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

/* ============================================
   HERO CHARACTER (ANIME MASCOT)
   ============================================ */
.hero-character {
    position: absolute;
    bottom: 0;
    right: 5%;
    z-index: 15;
    max-width: 400px;
    width: 30vw;
    min-width: 250px;
    pointer-events: none;
    animation: character-float 3s ease-in-out infinite;
}

.hero-character img {
    width: 100%;
    height: auto;
    display: block;
    filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.5));
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

@keyframes character-float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

/* ============================================
   HERO - RESPONSIVE OPTIMIZATIONS
   ============================================ */

@media (max-width: 1024px) {
    .hero {
        border-width: 6px;
    }
    
    .hero-box {
        border-width: 6px;
        padding: 2rem 1.5rem;
        margin-bottom: 1.5rem;
    }
    
    .hero-line {
        height: 10px;
    }
    
    .hero-subtitle {
        margin-bottom: 1.5rem;
    }
    
    .hero-character {
        right: 2%;
        max-width: 300px;
        width: 35vw;
    }
}

@media (max-width: 768px) {
    .hero {
        border-width: 4px;
        margin-top: 70px;
    }
    
    .hero-content {
        max-width: 95%;
        padding: 0.5rem;
    }
    
    .hero-box {
        border-width: 4px;
        padding: 1.5rem 1rem;
        margin-bottom: 1rem;
        transform: skewX(-1deg);
    }
    
    .hero-title {
        text-shadow: 2px 2px 0px var(--primary), 4px 4px 0px var(--secondary);
    }
    
    .hero-line {
        height: 8px;
        margin-top: 0.75rem;
    }
    
    .hero-subtitle {
        margin-bottom: 1rem;
        letter-spacing: 0.02em;
    }
    
    .hero-badge {
        gap: 0.5rem;
        font-size: 0.875rem;
    }
    
    .badge-square {
        width: 8px;
        height: 8px;
    }
    
    .scroll-indicator {
        bottom: 1rem;
    }
    
    .scroll-indicator svg {
        width: 36px;
        height: 36px;
    }
    
    .logo-carousel {
        max-width: 900px;
        margin: 2rem auto;
        padding: 1.5rem 0;
        border-width: 3px;
        z-index: 10;
        position: relative;
    }
    
    .logo-item {
        width: 120px;
        height: 80px;
        padding: 1rem;
        border-width: 3px;
    }
    
    .logo-track {
        gap: 3rem;
        animation-duration: 30s;
    }
    
    .logo-carousel::before,
    .logo-carousel::after {
        width: 100px;
    }
    
    .hero-character {
        right: -5%;
        bottom: 5%;
        max-width: 220px;
        width: 40vw;
        z-index: 12;
    }
}

@media (max-width: 480px) {
    .hero {
        border-width: 3px;
        margin-top: 60px;
        height: 100vh;
        min-height: 600px;
    }
    
    .hero-content {
        padding: 0.5rem;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        height: 100%;
    }
    
    .hero-box {
        border-width: 3px;
        padding: 1rem 0.75rem;
        margin-bottom: 0;
        flex-shrink: 0;
    }
    
    .hero-title {
        font-size: clamp(2rem, 10vw, 3rem);
        letter-spacing: -0.02em;
        text-shadow: 2px 2px 0px var(--primary), 3px 3px 0px var(--secondary);
    }
    
    .hero-line {
        height: 6px;
        margin-top: 0.5rem;
    }
    
    .hero-subtitle {
        font-size: clamp(0.75rem, 3.5vw, 1.25rem);
        margin-bottom: 0;
        margin-top: 1rem;
        padding: 0 0.5rem;
        flex-shrink: 0;
    }
    
    .logo-carousel {
        max-width: 900px;
        margin: 1rem auto;
        padding: 1.5rem 0;
        border-width: 3px;
        z-index: 10;
        position: relative;
        flex-shrink: 0;
    }
    
    .logo-item {
        width: 120px;
        height: 80px;
        padding: 1rem;
        border-width: 3px;
    }
    
    .logo-track {
        gap: 3rem;
        animation-duration: 30s;
    }
    
    .logo-carousel::before,
    .logo-carousel::after {
        width: 100px;
    }
    
    .hero-badge {
        gap: 0.5rem;
        font-size: 0.75rem;
        padding: 0 0.5rem;
        margin-top: 1rem;
        flex-shrink: 0;
    }
    
    .badge-square {
        width: 6px;
        height: 6px;
    }
    
    .hero-character {
        right: -8%;
        bottom: 8%;
        max-width: 160px;
        width: 45vw;
        min-width: 120px;
        z-index: 12;
        opacity: 1;
        animation: character-float-mobile 4s ease-in-out infinite;
    }
}

@keyframes character-float-mobile {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

@media (max-width: 360px) {
    .hero {
        border-width: 2px;
        min-height: 550px;
        margin-top: 55px;
    }
    
    .hero-box {
        padding: 0.75rem 0.5rem;
    }
    
    .hero-title {
        font-size: clamp(1.75rem, 11vw, 2.5rem);
    }
    
    .hero-line {
        height: 4px;
    }
    
    .hero-subtitle {
        font-size: clamp(0.65rem, 4vw, 1rem);
    }
    
    .hero-badge {
        font-size: 0.65rem;
        gap: 0.25rem;
    }
    
    .scroll-indicator svg {
        width: 32px;
        height: 32px;
    }
    
    .hero-character {
        max-width: 130px;
        bottom: 10%;
        z-index: 12;
        opacity: 1;
    }
}

/* ============================================
   CONFIGS SECTION
   ============================================ */
.configs-section {
    min-height: 100vh;
    padding: 5rem 1rem;
    background: linear-gradient(180deg, var(--dark) 0%, var(--gradient1) 50%, var(--dark) 100%);
}

.section-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 900;
    text-align: center;
    color: var(--accent);
    text-shadow: 3px 3px 0px var(--primary);
    margin-bottom: 1rem;
}

.title-line {
    height: 8px;
    width: 8rem;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    margin: 0 auto 4rem;
}

.configs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.config-card {
    border: 4px solid var(--primary);
    background-color: var(--dark-bg);
    padding: 1.5rem;
    box-shadow: 0 0 20px var(--glow);
    transition: transform 0.3s;
}

.config-card:hover {
    transform: scale(1.05);
}

.card-header {
    border-bottom: 4px solid var(--secondary);
    padding-bottom: 1rem;
    margin-bottom: 1.5rem;
}

.card-name {
    font-size: 2rem;
    font-weight: 900;
    color: var(--accent);
    margin-bottom: 0.5rem;
}

.card-line {
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
}

.specs-list {
    list-style: none;
    margin-bottom: 1.5rem;
}

.spec-item {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    border-left: 4px solid var(--primary);
    padding-left: 0.75rem;
    font-size: 0.875rem;
}

.spec-icon {
    color: var(--secondary);
    flex-shrink: 0;
    margin-top: 0.25rem;
}

.spec-label {
    font-weight: bold;
    color: var(--secondary);
}

.spec-value {
    color: var(--accent);
}

.card-price-section {
    border-top: 4px solid var(--secondary);
    padding-top: 1rem;
    margin-bottom: 1rem;
}

.card-price {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--primary);
    text-align: center;
}

.btn-customize {
    width: 100%;
    padding: 1rem;
    border: 4px solid var(--dark);
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    color: var(--accent);
    font-family: inherit;
    font-weight: 900;
    font-size: 1.125rem;
    cursor: pointer;
    transition: transform 0.2s;
}

.btn-customize:hover {
    transform: translate(4px, 4px);
}

/* Configs Section Responsive */
@media (max-width: 768px) {
    .configs-section {
        padding: 3rem 1rem;
    }
    
    .configs-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    border-top: 4px solid var(--primary);
    background-color: var(--dark-bg);
    padding: 3rem 1rem;
    margin-top: 4rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-title {
    font-size: 1.25rem;
    font-weight: 900;
    color: var(--primary);
    margin-bottom: 1rem;
}

.footer-subtitle {
    font-weight: bold;
    color: var(--secondary);
    margin-bottom: 1rem;
}

.footer-text {
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--accent);
}

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

.footer-list li {
    font-size: 0.875rem;
    color: var(--accent);
    margin-bottom: 0.5rem;
    cursor: pointer;
    transition: opacity 0.3s;
}

.footer-list li:hover {
    opacity: 0.7;
}

.footer-list li a {
    color: var(--accent);
    text-decoration: none;
    transition: opacity 0.3s;
    display: block;
}

.footer-list li a:hover {
    opacity: 0.7;
}

.footer-bottom {
    border-top: 2px solid var(--primary);
    padding-top: 1.5rem;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    font-size: 0.75rem;
    color: var(--secondary);
}

.footer-links {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--secondary);
    text-decoration: none;
    transition: opacity 0.3s;
}

.footer-links a:hover {
    opacity: 0.7;
}

/* Footer Responsive */
@media (max-width: 768px) {
    .footer {
        padding: 2rem 1rem;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   PAGE HEADER (personalizar.html & pago.html)
   ============================================ */
.page-header {
    border-bottom: 8px solid var(--primary);
    background: linear-gradient(90deg, var(--gradient1), var(--gradient2));
    padding: 1.5rem;
    margin-top: 80px;
}

.page-header .container,
.payment-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.page-title {
    font-size: clamp(2rem, 5vw, 4rem);
    font-weight: 900;
    color: var(--accent);
}

.btn-back {
    padding: 0.5rem 1.5rem;
    border: 4px solid var(--primary);
    background-color: var(--dark);
    color: var(--primary);
    font-family: inherit;
    font-weight: bold;
    text-decoration: none;
    transition: opacity 0.3s;
    white-space: nowrap;
}

.btn-back:hover {
    opacity: 0.8;
}

/* Page Header Responsive */
@media (max-width: 768px) {
    .page-header {
        margin-top: 70px;
        padding: 1rem;
        border-bottom-width: 6px;
    }
    
    .page-title {
        font-size: clamp(1.5rem, 6vw, 3rem);
    }
    
    .btn-back {
        padding: 0.4rem 1rem;
        border-width: 3px;
        font-size: 0.875rem;
    }
}

@media (max-width: 480px) {
    .page-header {
        margin-top: 60px;
        border-bottom-width: 4px;
    }
    
    .page-header .container {
        flex-direction: column;
        gap: 0.75rem;
    }
}

/* ============================================
   DELIVERY WARNING
   ============================================ */
.delivery-warning {
    border: 4px solid var(--secondary);
    background-color: var(--dark-bg);
    padding: 1rem;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.delivery-warning svg {
    color: var(--secondary);
    flex-shrink: 0;
    margin-top: 0.25rem;
}

.warning-title {
    font-weight: bold;
    color: var(--accent);
    margin-bottom: 0.5rem;
}

.warning-text {
    font-size: 0.875rem;
    color: var(--secondary);
}

@media (max-width: 480px) {
    .delivery-warning {
        border-width: 3px;
        padding: 0.75rem;
        font-size: 0.875rem;
    }
}

/* ============================================
   CUSTOMIZE PAGE
   ============================================ */
.customize-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
    padding: 2rem 1rem;
}

.customize-left {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.component-selector {
    border: 4px solid var(--primary);
    background: linear-gradient(135deg, var(--dark-bg) 0%, var(--gradient1) 100%);
    padding: 1.5rem;
}

.component-label {
    display: block;
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--secondary);
    margin-bottom: 1rem;
    text-transform: uppercase;
}

.component-select {
    width: 100%;
    padding: 1rem;
    border: 4px solid var(--primary);
    background-color: var(--dark);
    color: var(--accent);
    font-family: inherit;
    font-size: 1.125rem;
    font-weight: bold;
    cursor: pointer;
}

.component-select:focus {
    outline: none;
    border-color: var(--secondary);
}

.saved-builds {
    border: 4px solid var(--secondary);
    background-color: var(--dark-bg);
    padding: 1.5rem;
}

.saved-title {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--accent);
    margin-bottom: 1rem;
}

.saved-build-item {
    border: 2px solid var(--primary);
    padding: 0.75rem;
    margin-bottom: 0.75rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
}

.saved-build-date {
    color: var(--secondary);
}

.saved-build-price {
    font-weight: bold;
    color: var(--primary);
}

/* Customize Responsive */
@media (max-width: 1024px) {
    .customize-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .customize-container {
        padding: 1.5rem 1rem;
        gap: 1.5rem;
    }
    
    .component-selector {
        border-width: 3px;
        padding: 1rem;
    }
    
    .component-label {
        font-size: 1.25rem;
    }
    
    .component-select {
        border-width: 3px;
        padding: 0.75rem;
        font-size: 1rem;
    }
}

/* ============================================
   PRICE BOX
   ============================================ */
.customize-right {
    position: relative;
}

.price-box {
    position: sticky;
    top: 6rem;
    border: 4px solid var(--primary);
    background-color: var(--dark-bg);
    padding: 1.5rem;
}

.price-title {
    font-size: 2rem;
    font-weight: 900;
    color: var(--accent);
    border-bottom: 4px solid var(--primary);
    padding-bottom: 1rem;
    margin-bottom: 1.5rem;
}

.price-breakdown {
    margin-bottom: 2rem;
}

.price-item {
    display: flex;
    justify-content: space-between;
    font-size: 0.875rem;
    border-left: 4px solid var(--primary);
    padding-left: 0.75rem;
    margin-bottom: 1rem;
}

.price-item-label {
    color: var(--secondary);
}

.price-item-value {
    font-weight: bold;
    color: var(--accent);
}

.price-total-section {
    border-top: 4px solid var(--primary);
    padding-top: 1.5rem;
}

.price-display {
    padding: 1rem;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    color: var(--accent);
    text-align: center;
    margin-bottom: 1rem;
}

.total-price {
    font-size: 3rem;
    font-weight: 900;
}

.btn-save {
    width: 100%;
    padding: 0.75rem;
    border: 4px solid var(--secondary);
    background-color: var(--dark);
    color: var(--secondary);
    font-family: inherit;
    font-weight: 900;
    font-size: 1.125rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    transition: opacity 0.3s;
}

.btn-save:hover {
    opacity: 0.8;
}

.btn-buy {
    width: 100%;
    padding: 1rem;
    border: 4px solid var(--dark);
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    color: var(--accent);
    font-family: inherit;
    font-weight: 900;
    font-size: 1.25rem;
    cursor: pointer;
    transition: transform 0.2s;
}

.btn-buy:hover {
    transform: scale(1.05);
}

.login-hint {
    text-align: center;
    font-size: 0.75rem;
    color: var(--secondary);
    margin-top: 1rem;
}

.save-notification {
    position: fixed;
    top: 6rem;
    right: 1rem;
    z-index: 1000;
    border: 4px solid var(--primary);
    background-color: var(--dark);
    padding: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    animation: pulse 1s infinite;
}

.save-notification svg {
    color: var(--primary);
}

.save-notification span {
    color: var(--accent);
}

/* Price Box Responsive */
@media (max-width: 1024px) {
    .price-box {
        position: static;
    }
}

@media (max-width: 768px) {
    .price-box {
        border-width: 3px;
        padding: 1rem;
    }
    
    .price-title {
        font-size: 1.5rem;
        border-bottom-width: 3px;
    }
    
    .total-price {
        font-size: 2.5rem;
    }
}

@media (max-width: 480px) {
    .save-notification {
        top: 4rem;
        right: 0.5rem;
        left: 0.5rem;
        border-width: 3px;
        padding: 0.75rem;
        font-size: 0.875rem;
    }
}

/* ============================================
   PAYMENT PAGE
   ============================================ */
.payment-container {
    padding: 2rem 1rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.payment-card {
    border: 4px solid var(--primary);
    background-color: var(--dark-bg);
    padding: 1.5rem;
}

.contract-card {
    border-color: var(--secondary);
}

.card-header {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1rem;
}

.card-header svg {
    color: var(--secondary);
    flex-shrink: 0;
}

.card-title {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--accent);
    margin-bottom: 0.5rem;
}

.card-text {
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--secondary);
}

.btn-contract {
    width: 100%;
    max-width: 300px;
    padding: 0.75rem 1.5rem;
    border: 2px solid var(--secondary);
    background: transparent;
    color: var(--secondary);
    font-family: inherit;
    font-weight: bold;
    cursor: pointer;
    transition: opacity 0.3s;
}

.btn-contract:hover {
    opacity: 0.8;
}

.contract-info {
    margin-top: 1rem;
    padding: 1rem;
    border: 2px solid var(--primary);
    background-color: var(--dark);
    color: var(--accent);
    font-size: 0.875rem;
}

.contract-subtitle {
    font-weight: 900;
    color: var(--secondary);
    margin-bottom: 0.5rem;
}

.contract-info p {
    margin-bottom: 0.5rem;
}

.contract-note {
    margin-top: 1rem;
    font-size: 0.75rem;
    color: var(--secondary);
}

.order-summary {
    margin-bottom: 1.5rem;
}

.order-item {
    display: flex;
    justify-content: space-between;
    font-size: 0.875rem;
    border-left: 4px solid var(--primary);
    padding-left: 0.75rem;
    margin-bottom: 0.75rem;
}

.order-item-label {
    color: var(--secondary);
}

.order-item-value {
    color: var(--accent);
}

.order-total {
    border-top: 4px solid var(--primary);
    padding-top: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.total-label {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--secondary);
}

.total-amount {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--primary);
}

.qr-card {
    text-align: center;
}

.qr-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.qr-header svg {
    color: var(--primary);
}

.qr-container {
    margin-bottom: 1.5rem;
}

.qr-placeholder {
    padding: 2rem;
    border: 4px solid var(--primary);
    background-color: white;
    display: inline-block;
}

.qr-text-top {
    color: black;
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
}

.qr-box {
    width: 256px;
    height: 256px;
    background-color: #f0f0f0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.qr-box svg {
    color: var(--primary);
}

.qr-text-bottom {
    color: black;
    font-size: 0.75rem;
    margin-top: 0.5rem;
}

.qr-instruction {
    font-size: 0.875rem;
    color: var(--secondary);
    margin-bottom: 0.5rem;
}

.qr-note {
    font-size: 0.75rem;
    color: var(--secondary);
}

.delivery-card {
    border-color: var(--secondary);
}

.delivery-header {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.delivery-header svg {
    color: var(--secondary);
    flex-shrink: 0;
}

.delivery-title {
    font-size: 1.25rem;
    font-weight: 900;
    color: var(--accent);
    margin-bottom: 0.5rem;
}

.delivery-time {
    font-size: 1.125rem;
    font-weight: bold;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.delivery-text {
    font-size: 0.875rem;
    color: var(--secondary);
}

/* Payment Responsive */
@media (max-width: 768px) {
    .payment-container {
        padding: 1.5rem 1rem;
    }
    
    .payment-card {
        border-width: 3px;
        padding: 1rem;
    }
    
    .card-title {
        font-size: 1.25rem;
    }
    
    .qr-placeholder {
        border-width: 3px;
        padding: 1.5rem;
    }
    
    .qr-box {
        width: 200px;
        height: 200px;
    }
}

@media (max-width: 480px) {
    .qr-box {
        width: 180px;
        height: 180px;
    }
    
    .total-label {
        font-size: 1.25rem;
    }
    
    .total-amount {
        font-size: 2rem;
    }
}

/* ============================================
   GUEST CHECKOUT
   ============================================ */
.guest-info-card {
    border-color: var(--secondary);
}

.user-info-display {
    padding: 1rem;
    border: 2px solid var(--primary);
    background-color: var(--dark);
}

.user-info-display p {
    margin-bottom: 0.5rem;
    color: var(--accent);
}

.info-note {
    font-size: 0.875rem;
    color: var(--secondary);
    margin-top: 0.5rem;
}

.guest-description {
    font-size: 0.875rem;
    color: var(--secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.guest-form .form-group {
    margin-bottom: 1.5rem;
}

.guest-actions {
    margin-top: 2rem;
}

.btn-guest-continue {
    width: 100%;
    padding: 1rem;
    border: 4px solid var(--dark);
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    color: var(--accent);
    font-family: inherit;
    font-weight: 900;
    font-size: 1.125rem;
    cursor: pointer;
    transition: transform 0.2s;
}

.btn-guest-continue:hover {
    transform: scale(1.02);
}

.or-divider {
    text-align: center;
    margin: 1.5rem 0;
    position: relative;
}

.or-divider::before,
.or-divider::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 40%;
    height: 2px;
    background-color: var(--primary);
}

.or-divider::before {
    left: 0;
}

.or-divider::after {
    right: 0;
}

.or-divider span {
    background-color: var(--dark-bg);
    padding: 0 1rem;
    color: var(--secondary);
    font-weight: bold;
}

.btn-guest-login {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--secondary);
    background: transparent;
    color: var(--secondary);
    font-family: inherit;
    font-weight: bold;
    font-size: 1rem;
    cursor: pointer;
    transition: opacity 0.3s;
}

.btn-guest-login:hover {
    opacity: 0.8;
}

.guest-confirmed {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
    border: 2px solid var(--primary);
    background-color: rgba(0, 102, 255, 0.1);
}

.guest-confirmed svg {
    color: var(--primary);
    flex-shrink: 0;
}

.guest-confirmed p {
    margin: 0;
    color: var(--accent);
}

.guest-email {
    font-size: 0.875rem;
    color: var(--secondary);
    margin-top: 0.25rem;
}

.btn-text-small {
    background: none;
    border: none;
    color: var(--secondary);
    font-family: inherit;
    font-size: 0.75rem;
    cursor: pointer;
    text-decoration: underline;
    margin-top: 0.5rem;
    padding: 0;
}

.btn-text-small:hover {
    opacity: 0.7;
}

.payment-sections-hidden {
    opacity: 0.5;
    pointer-events: none;
}

/* ============================================
   RESPONSIVE UTILITIES
   ============================================ */
@media (max-width: 768px) {
    .container {
        padding: 0 0.75rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 0.5rem;
    }
}