/* =============================================
   ZATELITAL — LANDING ADS
   Mismo sistema de diseño que zatelital.com
   ============================================= */

/* =============================================
   DESIGN SYSTEM FONTS
   ============================================= */
@font-face {
    font-family: 'Alliance';
    src: url('../fonts/Alliance-PlattSemiBold.woff2') format('woff2'),
        url('../fonts/Alliance-PlattSemiBold.woff') format('woff');
    font-weight: 600;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'IBM Plex Sans';
    src: url('../fonts/IBMPlexSans-Regular.woff2') format('woff2'),
        url('../fonts/IBMPlexSans-Regular.woff') format('woff');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Inconsolata';
    src: url('../fonts/Inconsolata-SemiExpandedSemiBold.woff2') format('woff2');
    font-weight: 600;
    font-style: normal;
    font-display: swap;
}

/* =============================================
   RESET & VARIABLES
   ============================================= */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --color-primary: #161616;
    --color-white: #ffffff;
    --color-muted: #8b8b8b;
    --color-border: #e5e5e5;
    --color-link-bg: #f4f4f4;
    --color-link-text: #212121;
    --font-alliance: 'Alliance', 'SF Pro Display', system-ui, sans-serif;
    --font-ibm: 'IBM Plex Sans', system-ui, sans-serif;
    --font-mono: 'Inconsolata', monospace;
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-ibm);
    background: var(--color-white);
    color: var(--color-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; }

/* =============================================
   LAYOUT
   ============================================= */
.la-container {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 40px;
}

/* =============================================
   HEADER
   ============================================= */
.la-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: transparent;
    transition: background .3s, box-shadow .3s;
}

.la-header.la-header-sticky {
    background: rgba(255,255,255,.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 var(--color-border);
}

.la-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.la-logo img {
    width: 87px;
    height: 18px;
}

/* =============================================
   BUTTONS — mismo estilo que home
   ============================================= */
.la-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-ibm);
    font-size: 13px;
    padding: 8px 18px;
    border-radius: 4px;
    transition: all .25s ease;
    cursor: pointer;
    border: none;
    text-decoration: none;
}

.la-btn-primary {
    background: var(--color-primary);
    color: var(--color-white);
}

.la-btn-primary:hover {
    background: #2d2d2d;
}

.la-btn-secondary {
    background: var(--color-link-bg);
    color: var(--color-primary);
}

.la-btn-secondary:hover {
    background: #e0e0e0;
}

.la-btn-whatsapp {
    background: var(--color-link-bg);
    color: var(--color-primary);
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 12px;
    letter-spacing: .3px;
    text-transform: uppercase;
}

.la-btn-whatsapp:hover {
    background: #e0e0e0;
}

.la-btn-whatsapp .material-icons-outlined {
    font-size: 16px;
}

/* =============================================
   HERO
   ============================================= */
.la-hero {
    min-height: calc(100vh - 64px);
    display: flex;
    align-items: center;
    padding-top: 64px;
}

.la-hero .la-container {
    text-align: center;
    max-width: 720px;
}

.la-hero-title {
    font-family: var(--font-alliance);
    font-size: 30px;
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-primary);
    margin-bottom: 16px;
}

.la-hero-subtitle {
    font-size: 15px;
    color: var(--color-muted);
    line-height: 1.7;
    max-width: 520px;
    margin: 0 auto 32px;
}

.la-hero-ctas {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-bottom: 40px;
}

.la-trust-badges {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
}

.la-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 11px;
    letter-spacing: .3px;
    text-transform: uppercase;
    color: var(--color-muted);
}

.la-badge .material-icons-outlined {
    font-size: 16px;
}

.la-badge-divider {
    color: var(--color-border);
    font-size: 14px;
}

/* =============================================
   SOCIAL PROOF STRIP
   ============================================= */
.la-social-proof {
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    padding: 32px 0;
}

.la-social-proof-label {
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 11px;
    letter-spacing: .3px;
    text-transform: uppercase;
    color: var(--color-muted);
    text-align: center;
    margin-bottom: 20px;
}

.la-clients-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.la-client-name {
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 12px;
    letter-spacing: .3px;
    text-transform: uppercase;
    color: var(--color-muted);
    opacity: .6;
    transition: opacity .3s;
}

.la-client-name:hover {
    opacity: 1;
}

/* =============================================
   SECTIONS — GENERAL
   ============================================= */
.la-section-title {
    font-family: var(--font-alliance);
    font-size: 22px;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 32px;
}

.la-section-label {
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 11px;
    letter-spacing: .3px;
    text-transform: uppercase;
    color: var(--color-muted);
    margin-bottom: 12px;
}

/* =============================================
   BENEFITS
   ============================================= */
.la-benefits {
    padding: 80px 0;
}

.la-benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--color-border);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    overflow: hidden;
}

.la-benefit-card {
    background: var(--color-white);
    padding: 28px 24px;
    transition: background .3s;
}

.la-benefit-card:hover {
    background: var(--color-link-bg);
}

.la-benefit-icon {
    font-size: 22px;
    margin-bottom: 14px;
    opacity: .6;
}

.la-benefit-title {
    font-weight: 500;
    font-size: 16px;
    margin-bottom: 6px;
}

.la-benefit-text {
    font-size: 13px;
    color: var(--color-muted);
    line-height: 1.7;
}

/* =============================================
   PORTFOLIO
   ============================================= */
.la-portfolio {
    padding: 80px 0;
    border-top: 1px solid var(--color-border);
}

.la-portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.la-portfolio-card {
    border: 1px solid var(--color-border);
    border-radius: 8px;
    overflow: hidden;
    transition: transform .3s, box-shadow .3s;
}

.la-portfolio-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,0,0,.06);
}

.la-portfolio-img {
    background: var(--color-link-bg);
    aspect-ratio: 16 / 10;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border-bottom: 1px solid var(--color-border);
}

.la-portfolio-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.la-portfolio-info {
    padding: 20px;
}

.la-portfolio-name {
    font-weight: 500;
    font-size: 15px;
    margin-bottom: 4px;
}

.la-portfolio-desc {
    font-size: 13px;
    color: var(--color-muted);
    line-height: 1.6;
    margin-bottom: 12px;
}

.la-portfolio-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 11px;
    letter-spacing: .3px;
    text-transform: uppercase;
    color: var(--color-primary);
    padding: 4px 10px;
    background: var(--color-link-bg);
    border-radius: 4px;
    transition: background .25s;
}

.la-portfolio-link:hover {
    background: #e0e0e0;
}

.la-portfolio-link .material-icons-outlined {
    font-size: 14px;
}

/* =============================================
   TESTIMONIALS
   ============================================= */
.la-testimonials {
    padding: 80px 0;
    border-top: 1px solid var(--color-border);
}

.la-testimonials-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.la-testimonial-card {
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 28px;
}

.la-quote-icon {
    font-size: 28px;
    color: var(--color-border);
    margin-bottom: 12px;
    display: block;
}

.la-testimonial-quote p {
    font-size: 14px;
    color: rgba(22,22,22,.7);
    line-height: 1.8;
    font-style: italic;
    margin-bottom: 20px;
}

.la-testimonial-author strong {
    font-weight: 500;
    font-size: 14px;
    display: block;
}

.la-testimonial-site {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--color-muted);
    text-transform: uppercase;
    letter-spacing: .3px;
    margin-top: 2px;
    display: block;
}

/* =============================================
   PRICING HINT
   ============================================= */
.la-pricing {
    padding: 80px 0;
    border-top: 1px solid var(--color-border);
    background: var(--color-link-bg);
}

.la-pricing-inner {
    text-align: center;
}

.la-pricing-title {
    font-family: var(--font-alliance);
    font-size: 30px;
    font-weight: 600;
    margin-bottom: 8px;
}

.la-pricing-text {
    font-size: 14px;
    color: var(--color-muted);
    margin-bottom: 28px;
}

/* =============================================
   CONTACT FORM
   ============================================= */
.la-form-section {
    padding: 80px 0;
    border-top: 1px solid var(--color-border);
}

.la-form-wrapper {
    max-width: 640px;
    margin: 0 auto;
}

.la-form-intro {
    font-size: 14px;
    color: var(--color-muted);
    margin-bottom: 32px;
}

.la-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}

.la-form-group-full {
    margin-bottom: 16px;
}

.la-label {
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 11px;
    letter-spacing: .3px;
    text-transform: uppercase;
    color: var(--color-muted);
    display: block;
    margin-bottom: 6px;
}

.la-required {
    color: #dc2626;
}

.la-input {
    width: 100%;
    padding: 10px 14px;
    font-family: var(--font-ibm);
    font-size: 14px;
    color: var(--color-primary);
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    transition: border-color .25s;
    outline: none;
    -webkit-appearance: none;
}

.la-input:focus {
    border-color: var(--color-primary);
}

.la-input::placeholder {
    color: #c4c4c4;
}

.la-select {
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M3 5l3 3 3-3' fill='none' stroke='%238b8b8b' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 36px;
}

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

.la-btn-submit {
    width: 100%;
    justify-content: center;
    padding: 12px;
    font-size: 14px;
    margin-top: 8px;
}

.la-btn-submit:disabled {
    opacity: .6;
    cursor: not-allowed;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.la-spin {
    animation: spin 1s linear infinite;
}

.la-form-message {
    text-align: center;
    padding: 24px;
    border-radius: 8px;
    margin-top: 24px;
}

.la-form-message .material-icons-outlined {
    font-size: 32px;
    margin-bottom: 8px;
}

.la-form-message p {
    font-size: 14px;
}

.la-form-message-success {
    background: #f0fdf4;
    color: #16a34a;
}

.la-form-message-error {
    background: #fef2f2;
    color: #dc2626;
}

.la-form-guarantee {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    margin-top: 20px;
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 11px;
    letter-spacing: .3px;
    text-transform: uppercase;
    color: var(--color-muted);
}

.la-form-guarantee .material-icons-outlined {
    font-size: 16px;
}

/* =============================================
   FOOTER
   ============================================= */
.la-footer {
    background: var(--color-primary);
    padding: 40px 0;
}

.la-footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
}

.la-footer-logo {
    filter: invert(1);
    width: 87px;
    height: 18px;
}

.la-footer-contact {
    display: flex;
    gap: 24px;
}

.la-footer-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 12px;
    letter-spacing: .3px;
    text-transform: uppercase;
    color: var(--color-muted);
    transition: color .3s;
}

.la-footer-link:hover {
    color: #c4c4c4;
}

.la-footer-link .material-icons-outlined {
    font-size: 16px;
}

.la-footer-copy {
    width: 100%;
    text-align: center;
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 11px;
    letter-spacing: .3px;
    text-transform: uppercase;
    color: var(--color-muted);
    opacity: .5;
    margin-top: 12px;
}

/* =============================================
   ANIMATIONS — mismo patrón que home
   ============================================= */
.la-animate {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity .7s cubic-bezier(0.16, 1, 0.3, 1),
                transform .7s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 768px) {
    .la-container { padding: 0 24px; }

    .la-hero-title { font-size: 24px; }
    .la-hero-subtitle { font-size: 14px; }
    .la-hero-ctas { flex-direction: column; align-items: center; gap: 10px; }

    .la-clients-row { gap: 20px; }
    .la-client-name { font-size: 10px; }

    .la-benefits-grid { grid-template-columns: 1fr; }
    .la-portfolio-grid { grid-template-columns: 1fr; }
    .la-testimonials-grid { grid-template-columns: 1fr; }

    .la-form-row { grid-template-columns: 1fr; }

    .la-section-title { font-size: 20px; }
    .la-pricing-title { font-size: 24px; }

    .la-footer-inner { flex-direction: column; text-align: center; }
    .la-footer-contact { flex-direction: column; gap: 12px; }
}