/* ==========================================================
   SMOKE FIRE - Seguridad Electrónica
   Modern stylesheet | No section entry animations
   ========================================================== */

:root {
    --color-red: #ED1C24;
    --color-red-dark: #c4151c;
    --color-red-light: #ff3a42;
    --color-black: #0a0a0a;
    --color-dark: #1a1a1a;
    --color-gray-900: #212121;
    --color-gray-800: #2d2d2d;
    --color-gray-700: #4a4a4a;
    --color-gray-500: #757575;
    --color-gray-400: #9e9e9e;
    --color-gray-300: #d1d1d1;
    --color-gray-200: #e8e8e8;
    --color-gray-100: #f5f5f5;
    --color-gray-50: #fafafa;
    --color-white: #ffffff;

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12);
    --shadow-red: 0 12px 32px rgba(237, 28, 36, 0.25);

    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;

    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============ Reset ============ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-family);
    color: var(--color-gray-900);
    line-height: 1.6;
    background: var(--color-white);
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul {
    list-style: none;
}

/* ============ Layout ============ */
.container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
}

section {
    padding: 100px 0;
    position: relative;
}

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

/* ============ Section Headers ============ */
.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(237, 28, 36, 0.1);
    color: var(--color-red);
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.02em;
    color: var(--color-black);
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--color-gray-700);
    max-width: 720px;
    line-height: 1.7;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-header .section-subtitle {
    margin: 0 auto;
}

/* ============ Buttons ============ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    font-size: 15px;
    font-weight: 600;
    border-radius: 999px;
    transition: all var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
    white-space: nowrap;
}

.btn-primary {
    background: var(--color-red);
    color: var(--color-white);
    box-shadow: var(--shadow-red);
}

.btn-primary:hover {
    background: var(--color-red-dark);
    transform: translateY(-2px);
    box-shadow: 0 16px 36px rgba(237, 28, 36, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--color-white);
    border-color: rgba(255, 255, 255, 0.4);
}

.btn-outline:hover {
    background: var(--color-white);
    color: var(--color-black);
    border-color: var(--color-white);
}

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

/* ============ Header ============ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: transform 0.45s cubic-bezier(0.4, 0, 0.2, 1),
                opacity 0.35s ease,
                padding var(--transition),
                box-shadow var(--transition),
                background var(--transition);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

.header.header-hidden {
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.header.scrolled {
    box-shadow: var(--shadow-sm);
    padding: 10px 0;
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.logo img {
    height: 56px;
    width: auto;
    transition: height var(--transition);
}

.header.scrolled .logo img {
    height: 48px;
}

.nav-list {
    display: flex;
    gap: 8px;
    align-items: center;
}

.nav-link {
    padding: 10px 18px;
    font-size: 15px;
    font-weight: 500;
    color: var(--color-gray-800);
    border-radius: 999px;
    transition: all var(--transition);
    position: relative;
}

.nav-link:hover {
    color: var(--color-red);
    background: rgba(237, 28, 36, 0.06);
}

.nav-link.active {
    color: var(--color-red);
}

.nav-cta {
    background: var(--color-red);
    color: var(--color-white) !important;
    padding: 10px 22px;
}

.nav-cta:hover {
    background: var(--color-red-dark);
    color: var(--color-white) !important;
    transform: translateY(-1px);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    z-index: 1001;
}

.menu-toggle span {
    width: 26px;
    height: 2px;
    background: var(--color-black);
    border-radius: 2px;
    transition: all var(--transition);
}

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

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

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

/* ============ Hero ============ */
.hero {
    min-height: 100vh;
    padding: 140px 0 100px;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 50%, #2d0809 100%);
    color: var(--color-white);
    display: flex;
    align-items: center;
}

.hero-video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    z-index: 0;
    pointer-events: none;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(10, 10, 10, 0.78) 0%, rgba(26, 26, 26, 0.62) 50%, rgba(45, 8, 9, 0.78) 100%);
    z-index: 1;
}

.hero-container {
    position: relative;
    z-index: 2;
}

.hero-content {
    max-width: 820px;
}

.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    background: rgba(237, 28, 36, 0.15);
    color: var(--color-red-light);
    border: 1px solid rgba(237, 28, 36, 0.3);
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-bottom: 24px;
    backdrop-filter: blur(10px);
}

.hero-title {
    font-size: clamp(2.4rem, 5.5vw, 4.5rem);
    font-weight: 900;
    line-height: 1.05;
    letter-spacing: -0.03em;
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: 1.125rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.85);
    max-width: 620px;
    margin-bottom: 40px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 64px;
}

.hero-stats {
    display: flex;
    gap: 56px;
    flex-wrap: wrap;
}

.stat-item {
    border-left: 3px solid var(--color-red);
    padding-left: 18px;
}

.stat-number {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--color-white);
    letter-spacing: -0.02em;
    line-height: 1;
    margin-bottom: 6px;
}

.stat-label {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.hero-decoration {
    position: absolute;
    right: -50px;
    bottom: -50px;
    width: 400px;
    height: 400px;
    z-index: 1;
    pointer-events: none;
}

.deco-square {
    position: absolute;
    width: 120px;
    height: 120px;
}

.deco-square.red {
    top: 60px;
    right: 80px;
    background: var(--color-red);
    opacity: 0.6;
}

.deco-square.black {
    top: 140px;
    right: 200px;
    background: var(--color-black);
    border: 2px solid var(--color-red);
    opacity: 0.4;
}

.deco-dots {
    position: absolute;
    bottom: 80px;
    right: 60px;
    width: 200px;
    height: 80px;
    background-image: radial-gradient(circle, rgba(237, 28, 36, 0.5) 2px, transparent 2px);
    background-size: 14px 14px;
    opacity: 0.5;
}

/* ============ About Section ============ */
.about {
    background: var(--color-white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 80px;
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image-wrapper {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    aspect-ratio: 4/5;
}

.about-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-decoration {
    position: absolute;
    bottom: -30px;
    right: -30px;
    width: 150px;
    height: 150px;
    background: var(--color-red);
    border-radius: var(--radius-lg);
    z-index: -1;
}

.about-image::before {
    content: '';
    position: absolute;
    top: -30px;
    left: -30px;
    width: 100px;
    height: 100px;
    background: var(--color-black);
    border-radius: var(--radius-lg);
    z-index: -1;
}

.about-content .section-title {
    margin-bottom: 24px;
}

.about-text {
    font-size: 1rem;
    color: var(--color-gray-700);
    line-height: 1.8;
    margin-bottom: 18px;
}

.about-text strong {
    color: var(--color-black);
    font-weight: 700;
}

.mv-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-top: 40px;
}

.mv-card {
    padding: 28px;
    background: var(--color-black);
    color: var(--color-white);
    border-radius: var(--radius-md);
    border-bottom: 4px solid var(--color-red);
    transition: transform var(--transition);
}

.mv-card:hover {
    transform: translateY(-4px);
}

.mv-icon {
    width: 48px;
    height: 48px;
    background: var(--color-red);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: 20px;
    margin-bottom: 16px;
}

.mv-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-red);
    margin-bottom: 10px;
}

.mv-card p {
    font-size: 0.92rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.85);
}

/* ============ Values Section ============ */
.values {
    background: var(--color-gray-50);
    position: relative;
}

.values::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background-image: radial-gradient(circle, var(--color-gray-300) 1px, transparent 1px);
    background-size: 24px 24px;
    opacity: 0.4;
    pointer-events: none;
}

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

.values-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.value-card {
    padding: 36px 28px;
    border-radius: var(--radius-lg);
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.value-card:hover {
    transform: translateY(-8px);
}

.value-dark {
    background: var(--color-black);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

.value-dark:hover {
    box-shadow: var(--shadow-lg);
}

.value-red {
    background: var(--color-red);
    color: var(--color-white);
    box-shadow: var(--shadow-red);
}

.value-red:hover {
    background: var(--color-red-dark);
}

.value-icon {
    width: 56px;
    height: 56px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: 20px;
    transition: transform var(--transition);
}

.value-card:hover .value-icon {
    transform: scale(1.1) rotate(-6deg);
}

.value-card h3 {
    font-size: 1.4rem;
    font-weight: 800;
    margin-bottom: 12px;
}

.value-card p {
    font-size: 0.95rem;
    line-height: 1.6;
    opacity: 0.9;
}

/* ============ Services Section ============ */
.services {
    background: var(--color-white);
}

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

.service-card {
    padding: 36px 28px;
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--color-red);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition);
}

.service-card:hover {
    border-color: var(--color-red);
    box-shadow: var(--shadow-lg);
    transform: translateY(-6px);
}

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

.service-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--color-red) 0%, var(--color-red-dark) 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: 26px;
    margin-bottom: 20px;
    transition: all var(--transition);
    box-shadow: 0 8px 20px rgba(237, 28, 36, 0.25);
}

.service-card:hover .service-icon {
    transform: scale(1.05) rotate(-4deg);
}

.service-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-black);
    margin-bottom: 12px;
    line-height: 1.3;
}

.service-card p {
    font-size: 0.94rem;
    color: var(--color-gray-700);
    line-height: 1.6;
    margin-bottom: 16px;
}

.service-arrow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--color-gray-100);
    color: var(--color-red);
    border-radius: 50%;
    font-size: 14px;
    transition: all var(--transition);
    position: absolute;
    bottom: 24px;
    right: 24px;
}

.service-card:hover .service-arrow {
    background: var(--color-red);
    color: var(--color-white);
    transform: rotate(-45deg);
}

.service-cta {
    background: linear-gradient(135deg, var(--color-black) 0%, var(--color-gray-900) 100%);
    color: var(--color-white);
    border-color: transparent;
    display: flex;
    flex-direction: column;
}

.service-cta h3 {
    color: var(--color-white);
}

.service-cta p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 24px;
}

.service-cta-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--color-red-light);
    font-weight: 600;
    margin-top: auto;
    transition: gap var(--transition);
}

.service-cta-link:hover {
    gap: 14px;
}

.service-cta:hover {
    border-color: var(--color-red);
    transform: translateY(-6px);
}

.service-cta:hover::before {
    transform: scaleX(0);
}

/* ============ CTA Banner ============ */
.cta-banner {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--color-black) 0%, var(--color-gray-900) 50%, #2d0809 100%);
    color: var(--color-white);
    position: relative;
    overflow: hidden;
}

.cta-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(237, 28, 36, 0.15) 0%, transparent 60%);
    pointer-events: none;
}

.cta-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.cta-content h2 {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 20px;
    letter-spacing: -0.01em;
}

.cta-content p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 36px;
    line-height: 1.6;
}

/* ============ Benefits Section ============ */
.benefits {
    background: var(--color-gray-50);
    position: relative;
}

.benefits-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
    max-width: 1000px;
    margin: 0 auto 64px;
}

.benefit-item {
    display: flex;
    gap: 16px;
    padding: 20px 24px;
    background: var(--color-white);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--color-red);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
}

.benefit-item:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-md);
}

.benefit-item i {
    color: var(--color-red);
    font-size: 22px;
    flex-shrink: 0;
    margin-top: 2px;
}

.benefit-item p {
    font-size: 0.98rem;
    color: var(--color-gray-800);
    line-height: 1.5;
    margin: 0;
}

.benefits-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.feature-card {
    background: var(--color-white);
    padding: 40px 32px;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
    border-top: 4px solid var(--color-red);
}

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, var(--color-red) 0%, var(--color-red-dark) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: var(--color-white);
    font-size: 30px;
    box-shadow: var(--shadow-red);
}

.feature-card h3 {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--color-black);
    margin-bottom: 12px;
}

.feature-card p {
    font-size: 0.95rem;
    color: var(--color-gray-700);
    line-height: 1.6;
}

/* ============ Contact Section ============ */
.contact {
    background: var(--color-white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 56px;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.contact-card {
    display: flex;
    gap: 18px;
    align-items: flex-start;
    padding: 22px 24px;
    background: var(--color-gray-50);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-gray-200);
    transition: all var(--transition);
}

.contact-card:hover {
    background: var(--color-white);
    border-color: var(--color-red);
    transform: translateX(4px);
    box-shadow: var(--shadow-md);
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: var(--color-red);
    color: var(--color-white);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
}

.contact-details h4 {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
}

.contact-details a,
.contact-details p {
    display: block;
    font-size: 1rem;
    color: var(--color-black);
    font-weight: 500;
    transition: color var(--transition);
    line-height: 1.5;
}

.contact-details a:hover {
    color: var(--color-red);
}

.contact-form {
    background: var(--color-gray-50);
    padding: 40px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-gray-200);
}

.contact-form h3 {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--color-black);
    margin-bottom: 6px;
}

.form-subtitle {
    color: var(--color-gray-700);
    margin-bottom: 28px;
    font-size: 0.95rem;
}

.form-group {
    margin-bottom: 18px;
}

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

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-black);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: var(--color-white);
    border: 1.5px solid var(--color-gray-200);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.95rem;
    color: var(--color-black);
    transition: all var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-red);
    box-shadow: 0 0 0 4px rgba(237, 28, 36, 0.1);
}

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

/* ============ Footer ============ */
.footer {
    background: var(--color-black);
    color: rgba(255, 255, 255, 0.7);
    padding: 80px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.2fr;
    gap: 48px;
    margin-bottom: 60px;
}

.footer-logo {
    height: 60px;
    width: auto;
    margin-bottom: 20px;
    filter: brightness(1.1);
}

.footer-brand p {
    font-size: 0.95rem;
    line-height: 1.7;
    max-width: 360px;
    margin-bottom: 24px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social a {
    width: 42px;
    height: 42px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: 16px;
    transition: all var(--transition);
}

.footer-social a:hover {
    background: var(--color-red);
    transform: translateY(-3px);
}

.footer-col h4 {
    color: var(--color-white);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 22px;
    position: relative;
    padding-bottom: 12px;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 32px;
    height: 3px;
    background: var(--color-red);
    border-radius: 2px;
}

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col ul li a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    transition: all var(--transition);
}

.footer-col ul li a:hover {
    color: var(--color-red);
    padding-left: 6px;
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.92rem;
    line-height: 1.5;
}

.footer-contact i {
    color: var(--color-red);
    margin-top: 4px;
    flex-shrink: 0;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 24px 0;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.5);
}

.footer-credit {
    color: rgba(255, 255, 255, 0.55);
}

.footer-credit a {
    color: var(--color-red);
    font-weight: 700;
    transition: all var(--transition);
    margin-left: 4px;
}

.footer-credit a:hover {
    color: var(--color-red-light);
    text-decoration: underline;
    text-underline-offset: 3px;
}

/* ============ Floating Buttons ============ */
.whatsapp-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 60px;
    height: 60px;
    background: #25D366;
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
    z-index: 100;
    transition: all var(--transition);
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1) rotate(8deg);
    background: #1ea952;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4); }
    50% { box-shadow: 0 8px 24px rgba(37, 211, 102, 0.7), 0 0 0 12px rgba(37, 211, 102, 0); }
}

.back-to-top {
    position: fixed;
    bottom: 100px;
    right: 28px;
    width: 48px;
    height: 48px;
    background: var(--color-black);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    z-index: 99;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition);
    box-shadow: var(--shadow-md);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--color-red);
    transform: translateY(-3px);
}

/* ============ Responsive ============ */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 60px;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    section {
        padding: 70px 0;
    }

    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 360px;
        height: 100vh;
        background: var(--color-white);
        box-shadow: -10px 0 40px rgba(0, 0, 0, 0.1);
        padding: 100px 32px 40px;
        transition: right var(--transition);
        z-index: 1000;
    }

    .nav.active {
        right: 0;
    }

    .nav-list {
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
    }

    .nav-link {
        padding: 14px 20px;
        font-size: 1rem;
        text-align: center;
        border-radius: var(--radius-sm);
    }

    .nav-cta {
        margin-top: 12px;
    }

    .menu-toggle {
        display: flex;
    }

    .hero {
        padding: 120px 0 80px;
    }

    .hero-stats {
        gap: 24px;
    }

    .stat-number {
        font-size: 1.75rem;
    }

    .hero-buttons {
        gap: 12px;
    }

    .btn {
        padding: 12px 22px;
        font-size: 14px;
    }

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

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

    .benefits-list {
        grid-template-columns: 1fr;
    }

    .benefits-features {
        grid-template-columns: 1fr;
    }

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

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

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 36px;
    }

    .footer-bottom {
        text-align: center;
        justify-content: center;
    }

    .contact-form {
        padding: 28px;
    }

    .hero-decoration {
        display: none;
    }

    .about-image::before,
    .about-decoration {
        display: none;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 18px;
    }

    .hero-title {
        font-size: 2.2rem;
    }

    .section-title {
        font-size: 1.85rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: 18px;
    }

    .whatsapp-float {
        width: 54px;
        height: 54px;
        font-size: 26px;
    }
}

/* ============ Print ============ */
@media print {
    .header, .whatsapp-float, .back-to-top, .menu-toggle {
        display: none;
    }
}

/* ============ Reveal Animations ============ */
.reveal {
    opacity: 0;
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    transition-delay: var(--reveal-delay, 0s);
    will-change: transform, opacity;
}

.reveal-up    { transform: translateY(50px); }
.reveal-down  { transform: translateY(-50px); }
.reveal-left  { transform: translateX(-60px); }
.reveal-right { transform: translateX(60px); }
.reveal-scale { transform: scale(0.85); }
.reveal-fade  { transform: none; }
.reveal-flip  { transform: perspective(1000px) rotateX(-25deg); transform-origin: top; }

.reveal.is-visible {
    opacity: 1;
    transform: none;
}

/* Stagger delays */
.reveal[data-delay="1"] { --reveal-delay: 0.1s; }
.reveal[data-delay="2"] { --reveal-delay: 0.2s; }
.reveal[data-delay="3"] { --reveal-delay: 0.3s; }
.reveal[data-delay="4"] { --reveal-delay: 0.4s; }
.reveal[data-delay="5"] { --reveal-delay: 0.5s; }
.reveal[data-delay="6"] { --reveal-delay: 0.6s; }
.reveal[data-delay="7"] { --reveal-delay: 0.7s; }
.reveal[data-delay="8"] { --reveal-delay: 0.8s; }

/* Auto-stagger for grid children (service cards) */
.services-grid > .reveal:nth-child(3n+1) { --reveal-delay: 0.05s; }
.services-grid > .reveal:nth-child(3n+2) { --reveal-delay: 0.18s; }
.services-grid > .reveal:nth-child(3n+3) { --reveal-delay: 0.32s; }

@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1 !important;
        transform: none !important;
        transition: none !important;
    }
}