/* =========================================================
   PYMEX AGENCY — styles.css
   Palette: Deep Navy #0a1628 / Electric Teal #00d4aa /
            Mid Navy #112240 / Light Teal #7fffd4 /
            Off-white #f0f4f8 / Text dark #1a2b4a
   Fonts: Urbanist (display/headings) + Outfit (body)
   ========================================================= */

/* === 1. CSS CUSTOM PROPERTIES === */
:root {
    --color-primary: #0a1628;       /* deep navy */
    --color-secondary: #112240;     /* mid navy */
    --color-accent: #00d4aa;        /* electric teal */
    --color-accent-light: #7fffd4;  /* pale teal */
    --color-accent-dark: #00a882;   /* deep teal */
    --color-bg: #f0f4f8;            /* off-white */
    --color-bg-section: #ffffff;
    --color-text: #1a2b4a;
    --color-text-muted: #5a7082;
    --color-text-light: #f0f4f8;
    --color-border: #e0e8f0;
    --color-card-bg: #ffffff;

    --font-display: 'Urbanist', sans-serif;
    --font-body: 'Outfit', sans-serif;

    --container-width: 1200px;
    --header-height: 72px;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --shadow-sm: 0 2px 8px rgba(10, 22, 40, 0.08);
    --shadow-md: 0 8px 24px rgba(10, 22, 40, 0.12);
    --shadow-lg: 0 20px 48px rgba(10, 22, 40, 0.18);
    --transition: 0.25s ease;
}

/* === 2. RESET + BASE === */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    font-weight: 400;
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5 {
    font-family: var(--font-display);
    line-height: 1.2;
    color: var(--color-primary);
}

h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); font-weight: 800; }
h2 { font-size: clamp(1.7rem, 3.5vw, 2.6rem); font-weight: 700; }
h3 { font-size: 1.2rem; font-weight: 600; }
h4 { font-size: 1rem; font-weight: 600; }

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

a:hover { color: var(--color-accent-dark); }

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

ul { list-style: none; }

/* === 3. SKIP LINK === */
.skip-link {
    position: absolute;
    top: -100%;
    left: 1rem;
    background: var(--color-accent);
    color: var(--color-primary);
    font-weight: 700;
    padding: 0.6rem 1.2rem;
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
    z-index: 9999;
    transition: top 0.2s;
}

.skip-link:focus {
    top: 0;
}

/* === 4. VISUALLY HIDDEN === */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* === 5. CONTAINER === */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* === 6. BUTTONS === */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.8rem;
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: 2px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: background-color var(--transition), color var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
    white-space: nowrap;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn:focus-visible {
    outline: 3px solid var(--color-accent);
    outline-offset: 3px;
}

.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-primary);
    border-color: var(--color-accent);
}

.btn-primary:hover {
    background-color: var(--color-accent-dark);
    border-color: var(--color-accent-dark);
    color: var(--color-primary);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-text-light);
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-outline:hover {
    background-color: rgba(255, 255, 255, 0.12);
    border-color: white;
    color: white;
}

.btn-demo {
    background-color: transparent;
    color: var(--color-accent);
    border-color: var(--color-accent);
    padding: 0.6rem 1.2rem;
    font-size: 0.88rem;
}

.btn-demo:hover {
    background-color: var(--color-accent);
    color: var(--color-primary);
}

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

/* === 7. SECTION LABELS & SUBTITLES === */
.section-label {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-accent-dark);
    background-color: rgba(0, 212, 170, 0.1);
    padding: 0.25rem 0.75rem;
    border-radius: 100px;
    margin-bottom: 0.85rem;
}

.section-label-light {
    color: var(--color-accent-light);
    background-color: rgba(127, 255, 212, 0.15);
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--color-text-muted);
    max-width: 680px;
    margin: 0.6rem 0 2.5rem;
    line-height: 1.7;
}

/* === 8. HEADER === */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background-color: var(--color-primary);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    z-index: 1000;
    transition: box-shadow var(--transition), background-color var(--transition);
}

header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

/* Logo */
.logo-wordmark,
.footer-logo-wordmark {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 800;
    margin: 0;
    letter-spacing: -0.02em;
}

.logo-mark { color: #ffffff; }
.logo-mark-accent { color: var(--color-accent); }

/* Nav */
nav ul#nav-menu {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

nav ul#nav-menu li a {
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.75);
    padding: 0.5rem 0.85rem;
    border-radius: var(--radius-sm);
    transition: color var(--transition), background-color var(--transition);
}

nav ul#nav-menu li a:hover {
    color: #ffffff;
    background-color: rgba(255, 255, 255, 0.08);
}

nav ul#nav-menu li a.nav-cta {
    background-color: var(--color-accent);
    color: var(--color-primary);
    font-weight: 700;
    padding: 0.5rem 1.1rem;
}

nav ul#nav-menu li a.nav-cta:hover {
    background-color: var(--color-accent-dark);
    color: var(--color-primary);
}

/* Hamburger */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    color: rgba(255, 255, 255, 0.85);
    font-size: 1.3rem;
    border-radius: var(--radius-sm);
    transition: background-color var(--transition), color var(--transition);
}

.menu-toggle:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
}

.menu-toggle:focus-visible {
    outline: 3px solid var(--color-accent);
    outline-offset: 2px;
}

/* === 9. HERO === */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background-color: var(--color-primary);
    background-image:
        radial-gradient(ellipse 80% 60% at 60% 40%, rgba(0, 212, 170, 0.12) 0%, transparent 60%),
        radial-gradient(ellipse 50% 50% at 20% 80%, rgba(0, 168, 130, 0.08) 0%, transparent 50%),
        linear-gradient(160deg, #0a1628 0%, #0d1f3d 50%, #0a1628 100%);
    padding-top: var(--header-height);
    position: relative;
    overflow: hidden;
}

/* Decorative grid lines */
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0, 212, 170, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 170, 0.04) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
}

.hero-content {
    padding: 5rem 1.5rem 4rem;
    max-width: var(--container-width);
    margin: 0 auto;
    width: 100%;
}

.hero-eyebrow {
    font-family: var(--font-display);
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 1.2rem;
    opacity: 0.9;
}

h1.hero-h1, .hero h1 {
    color: #ffffff;
    margin-bottom: 1.4rem;
    max-width: 820px;
}

.hero-highlight {
    color: var(--color-accent);
    position: relative;
}

.hero-sub {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.7);
    max-width: 580px;
    margin-bottom: 2.2rem;
    line-height: 1.75;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 2.5rem;
}

.hero-trust {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.hero-trust span {
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.6);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.hero-trust span i {
    color: var(--color-accent);
    font-size: 0.82rem;
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
}

.hero-scroll-indicator span {
    display: block;
    width: 22px;
    height: 36px;
    border: 2px solid rgba(255, 255, 255, 0.25);
    border-radius: 100px;
    position: relative;
}

.hero-scroll-indicator span::after {
    content: '';
    display: block;
    width: 4px;
    height: 8px;
    background: var(--color-accent);
    border-radius: 2px;
    position: absolute;
    left: 50%;
    top: 6px;
    transform: translateX(-50%);
    animation: scroll-bounce 1.8s ease-in-out infinite;
}

@keyframes scroll-bounce {
    0%, 100% { top: 6px; opacity: 1; }
    50% { top: 16px; opacity: 0.3; }
}

/* === 10. PROBLEMA SECTION === */
.problema {
    padding: 6rem 0;
    background-color: var(--color-bg-section);
}

.problema h2 {
    margin-bottom: 0.5rem;
}

.pain-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin: 2.5rem 0;
}

.pain-card {
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1.8rem 1.5rem;
    transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}

.pain-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
    border-color: rgba(0, 212, 170, 0.3);
}

.pain-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-sm);
    background-color: rgba(0, 212, 170, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.1rem;
    transition: background-color var(--transition);
}

.pain-icon i {
    font-size: 1.3rem;
    color: var(--color-accent-dark);
}

.pain-card:hover .pain-icon {
    background-color: rgba(0, 212, 170, 0.2);
}

.pain-card h3 {
    margin-bottom: 0.6rem;
    font-size: 1rem;
}

.pain-card p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.65;
}

.problema-cta {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem 2rem;
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.06), rgba(0, 168, 130, 0.04));
    border: 1px solid rgba(0, 212, 170, 0.2);
    border-radius: var(--radius-md);
    flex-wrap: wrap;
}

.problema-cta p {
    flex: 1;
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text);
}

/* === 11. SERVICES SECTION === */
.services {
    padding: 6rem 0;
    background-color: var(--color-secondary);
}

.services h2 {
    color: #ffffff;
}

.services .section-subtitle {
    color: rgba(255, 255, 255, 0.6);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.service-card {
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    padding: 2rem 1.6rem;
    transition: background-color var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.service-card:hover {
    background-color: rgba(0, 212, 170, 0.08);
    border-color: rgba(0, 212, 170, 0.3);
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
}

.service-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-sm);
    background-color: rgba(0, 212, 170, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.2rem;
    transition: background-color var(--transition);
}

.service-icon i {
    font-size: 1.4rem;
    color: var(--color-accent);
}

.service-card:hover .service-icon {
    background-color: rgba(0, 212, 170, 0.25);
}

.service-card h3 {
    color: #ffffff;
    margin-bottom: 0.7rem;
    font-size: 1.05rem;
}

.service-card > p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.55);
    line-height: 1.65;
    margin-bottom: 1.1rem;
}

.service-features {
    list-style: none;
    padding: 0;
}

.service-features li {
    font-size: 0.83rem;
    color: rgba(255, 255, 255, 0.5);
    padding: 0.25rem 0;
    padding-left: 1.1rem;
    position: relative;
}

.service-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.55rem;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background-color: var(--color-accent);
}

/* === 12. PROCESO SECTION === */
.proceso {
    padding: 6rem 0;
    background-color: var(--color-bg-section);
}

.proceso .section-subtitle {
    margin-bottom: 3.5rem;
}

.proceso-steps {
    display: grid;
    grid-template-columns: 1fr auto 1fr auto 1fr;
    align-items: start;
    gap: 1rem;
}

.proceso-step {
    display: grid;
    grid-template-columns: 72px 1fr;
    gap: 1.2rem;
    align-items: start;
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 2rem;
    transition: box-shadow var(--transition), border-color var(--transition);
}

.proceso-step:hover {
    box-shadow: var(--shadow-md);
    border-color: rgba(0, 212, 170, 0.3);
}

.step-number {
    font-family: var(--font-display);
    font-size: 2.8rem;
    font-weight: 800;
    color: rgba(0, 212, 170, 0.2);
    line-height: 1;
    transition: color var(--transition);
}

.proceso-step:hover .step-number {
    color: var(--color-accent);
}

.step-content h3 {
    font-size: 1.05rem;
    margin-bottom: 0.6rem;
    color: var(--color-primary);
}

.step-content p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.65;
    margin-bottom: 0.9rem;
}

.step-tag {
    display: inline-block;
    font-size: 0.76rem;
    font-weight: 600;
    font-family: var(--font-display);
    color: var(--color-accent-dark);
    background-color: rgba(0, 212, 170, 0.1);
    padding: 0.2rem 0.65rem;
    border-radius: 100px;
}

.proceso-connector {
    width: 2px;
    height: 40px;
    background: linear-gradient(to bottom, rgba(0, 212, 170, 0.3), transparent);
    margin-top: 3.5rem;
    border-radius: 1px;
    align-self: center;
}

/* === 13. DEMOS SECTION === */
.demos {
    padding: 6rem 0;
    background-color: var(--color-primary);
}

.demos h2 {
    color: #ffffff;
}

.demos .section-subtitle {
    color: rgba(255, 255, 255, 0.6);
}

.demos-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.demo-card {
    background-color: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.demo-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 48px rgba(0, 0, 0, 0.4);
    border-color: rgba(0, 212, 170, 0.25);
}

.demo-preview {
    height: 200px;
    background-size: cover;
    background-position: center;
    position: relative;
    overflow: hidden;
}

.demo-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, transparent 40%, rgba(10, 22, 40, 0.85) 100%);
    display: flex;
    align-items: flex-end;
    padding: 1rem;
}

.demo-tag {
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    background-color: var(--color-accent);
    color: var(--color-primary);
    padding: 0.2rem 0.65rem;
    border-radius: 100px;
}

.demo-info {
    padding: 1.5rem;
}

.demo-info h3 {
    color: #ffffff;
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.demo-info > p {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.55);
    margin-bottom: 0.9rem;
    line-height: 1.55;
}

.demo-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.demo-meta span {
    font-size: 0.78rem;
    color: rgba(255, 255, 255, 0.4);
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.demo-meta span i {
    color: var(--color-accent);
    font-size: 0.75rem;
}

/* CTA card in demos grid */
.demo-card-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.1), rgba(0, 168, 130, 0.06));
    border: 1px dashed rgba(0, 212, 170, 0.35);
    min-height: 320px;
}

.demo-card-cta-inner {
    text-align: center;
    padding: 2rem 1.5rem;
}

.demo-cta-icon {
    width: 64px;
    height: 64px;
    background-color: rgba(0, 212, 170, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.2rem;
}

.demo-cta-icon i {
    font-size: 1.6rem;
    color: var(--color-accent);
}

.demo-card-cta-inner h3 {
    color: #ffffff;
    margin-bottom: 0.6rem;
}

.demo-card-cta-inner p {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.55);
    margin-bottom: 1.4rem;
    line-height: 1.6;
}

/* === 14. CONTACT SECTION === */
.contact {
    padding: 6rem 0;
    background-color: var(--color-bg-section);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 4rem;
    align-items: start;
}

.contact-left h2 {
    margin-bottom: 1rem;
}

.contact-left > p {
    font-size: 1rem;
    color: var(--color-text-muted);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.contact-guarantees {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    margin-bottom: 2rem;
}

.guarantee-item {
    display: flex;
    gap: 0.9rem;
    align-items: flex-start;
}

.guarantee-item > i {
    font-size: 1.1rem;
    color: var(--color-accent);
    margin-top: 0.1rem;
    flex-shrink: 0;
}

.guarantee-item strong {
    display: block;
    font-size: 0.93rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 0.1rem;
}

.guarantee-item p {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    line-height: 1.5;
}

.contact-reach {
    border-top: 1px solid var(--color-border);
    padding-top: 1.2rem;
}

.contact-reach p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.contact-reach p i {
    color: var(--color-accent);
}

/* Contact Form */
.contact-right {
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
}

.form-group {
    margin-bottom: 1.2rem;
}

.form-group label {
    display: block;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 0.45rem;
}

.label-optional {
    font-weight: 400;
    color: var(--color-text-muted);
    font-size: 0.82rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    font-family: var(--font-body);
    font-size: 0.92rem;
    color: var(--color-text);
    background-color: var(--color-bg-section);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: border-color var(--transition), box-shadow var(--transition);
    appearance: none;
    -webkit-appearance: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(90, 112, 130, 0.55);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: 3px solid var(--color-accent);
    outline-offset: 1px;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 4px rgba(0, 212, 170, 0.1);
}

.form-group select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%235a7082' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
    cursor: pointer;
}

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

.form-disclaimer {
    margin-top: 0.85rem;
    font-size: 0.78rem;
    color: var(--color-text-muted);
    text-align: center;
}

/* === 15. FOOTER === */
footer {
    background-color: var(--color-primary);
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding: 4rem 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 3rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-logo-wordmark {
    font-size: 1.8rem;
    margin-bottom: 0.75rem;
}

.footer-tagline {
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.45);
    line-height: 1.65;
    margin-bottom: 1.2rem;
}

.footer-social {
    display: flex;
    gap: 0.6rem;
}

.footer-social a {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.85rem;
    transition: background-color var(--transition), color var(--transition), border-color var(--transition);
}

.footer-social a:hover {
    background-color: var(--color-accent);
    color: var(--color-primary);
    border-color: var(--color-accent);
}

.footer-social a:focus-visible {
    outline: 3px solid var(--color-accent);
    outline-offset: 2px;
}

.footer-links h4,
.footer-services h4,
.footer-contact h4 {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: rgba(255, 255, 255, 0.35);
    margin-bottom: 1rem;
}

.footer-links ul li,
.footer-services ul li {
    margin-bottom: 0.5rem;
}

.footer-links ul li a,
.footer-services ul li a {
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.55);
    transition: color var(--transition);
}

.footer-links ul li a:hover,
.footer-services ul li a:hover {
    color: var(--color-accent);
}

.footer-contact p {
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.55);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.55rem;
}

.footer-contact p i {
    color: var(--color-accent);
    width: 14px;
    flex-shrink: 0;
}

.footer-contact a {
    color: rgba(255, 255, 255, 0.55);
    transition: color var(--transition);
}

.footer-contact a:hover {
    color: var(--color-accent);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 0;
    gap: 1rem;
    flex-wrap: wrap;
}

.footer-bottom p {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.3);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.footer-bottom p i {
    color: var(--color-accent);
    font-size: 0.78rem;
}

.security-indicator {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.3);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

/* === 16. FOCUS VISIBLE (keyboard nav) === */
a:focus-visible,
button:focus-visible {
    outline: 3px solid var(--color-accent);
    outline-offset: 3px;
    border-radius: 2px;
}

/* === 17. RESPONSIVE BREAKPOINTS === */

/* 1100px — tighten grids */
@media (max-width: 1100px) {
    .pain-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .proceso-steps {
        grid-template-columns: 1fr;
    }

    .proceso-connector {
        width: 100%;
        height: 2px;
        margin: 0;
        background: linear-gradient(to right, rgba(0, 212, 170, 0.3), transparent);
    }

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

    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

/* 992px — contact layout */
@media (max-width: 992px) {
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
}

/* 768px — mobile menu + single columns */
@media (max-width: 768px) {
    :root {
        --header-height: 64px;
    }

    .menu-toggle {
        display: block;
    }

    nav ul#nav-menu {
        display: none;
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        background-color: var(--color-primary);
        flex-direction: column;
        align-items: stretch;
        padding: 1rem;
        gap: 0.25rem;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    }

    nav ul#nav-menu.active {
        display: flex;
    }

    nav ul#nav-menu li a {
        display: block;
        padding: 0.75rem 1rem;
        border-radius: var(--radius-sm);
        font-size: 1rem;
    }

    nav ul#nav-menu li a.nav-cta {
        margin-top: 0.5rem;
        text-align: center;
    }

    .hero-content {
        padding: 4rem 1.5rem 3rem;
    }

    .hero-cta {
        flex-direction: column;
    }

    .hero-cta .btn {
        width: 100%;
        justify-content: center;
    }

    .pain-grid,
    .services-grid {
        grid-template-columns: 1fr;
    }

    .demos-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .contact-right {
        padding: 1.8rem;
    }
}

/* 576px — small mobile */
@media (max-width: 576px) {
    .proceso-step {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }

    .step-number {
        font-size: 1.8rem;
    }

    .problema-cta {
        flex-direction: column;
        gap: 1rem;
    }

    .hero-trust {
        flex-direction: column;
        gap: 0.6rem;
    }
}

/* === 18. PREFERS REDUCED MOTION === */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    html {
        scroll-behavior: auto;
    }

    .hero-scroll-indicator span::after {
        animation: none;
    }
}