/* ========================================
   HUARCAYA EXPRESS - Landing Page Styles
   ======================================== */

/* ---------- VARIABLES ---------- */
:root {
    --green-primary: #0B6623;
    --green-dark: #084D1A;
    --green-light: #0D7A2A;
    --green-accent: #10B038;
    --white: #FFFFFF;
    --gray-50: #F8F9FA;
    --gray-100: #F0F2F5;
    --gray-200: #E4E7EB;
    --gray-300: #CBD2D9;
    --gray-400: #9AA5B1;
    --gray-500: #7B8794;
    --gray-600: #616E7C;
    --gray-700: #52606D;
    --gray-800: #3E4C59;
    --gray-900: #1A202C;
    --black: #0D0D0D;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 30px rgba(0,0,0,0.12);
    --shadow-xl: 0 20px 60px rgba(0,0,0,0.15);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-family);
    color: var(--gray-800);
    background: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

ul {
    list-style: none;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ---------- SECTION HEADERS ---------- */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    background: rgba(11,102,35,0.1);
    color: var(--green-primary);
    padding: 6px 18px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.section-tag--light {
    background: rgba(255,255,255,0.2);
    color: var(--white);
}

.section-title {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 800;
    color: var(--gray-900);
    line-height: 1.2;
    margin-bottom: 16px;
}

.text-accent {
    color: var(--green-primary);
}

.section-desc {
    font-size: 1.1rem;
    color: var(--gray-500);
    max-width: 600px;
    margin: 0 auto;
}

/* ---------- BUTTONS ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-family: var(--font-family);
}

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

.btn--primary:hover {
    background: var(--green-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(11,102,35,0.35);
}

.btn--outline {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255,255,255,0.5);
}

.btn--outline:hover {
    background: rgba(255,255,255,0.15);
    border-color: var(--white);
}

.btn--whatsapp {
    background: #25D366;
    color: var(--white);
}

.btn--whatsapp:hover {
    background: #1EB854;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37,211,102,0.4);
}

.btn--whatsapp-large {
    padding: 18px 36px;
    font-size: 1.05rem;
    width: 100%;
    justify-content: center;
}

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

/* ========================================
   HEADER / NAVBAR
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0,0,0,0.06);
    transition: var(--transition);
}

.header.scrolled {
    background: rgba(255,255,255,0.98);
    box-shadow: var(--shadow-md);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 75px;
}

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

.nav__logo-img {
    width: 56px;
    height: 56px;
    object-fit: contain;
    border-radius: var(--radius-sm);
}

.logo-placeholder {
    background: var(--green-primary);
    color: var(--white);
    width: 42px;
    height: 42px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 0.85rem;
    letter-spacing: -0.5px;
}

.logo-placeholder--light {
    background: rgba(255,255,255,0.2);
}

.logo-hu {
    color: var(--white);
}

.logo-ex {
    color: rgba(255,255,255,0.7);
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.logo-name {
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--gray-900);
}

.logo-sub {
    font-weight: 500;
    font-size: 0.75rem;
    color: var(--green-primary);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.logo-text--light .logo-name {
    color: var(--white);
}

.logo-text--light .logo-sub {
    color: rgba(255,255,255,0.7);
}

.nav__list {
    display: flex;
    gap: 8px;
}

.nav__link {
    padding: 8px 16px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--gray-600);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.nav__link:hover,
.nav__link.active {
    color: var(--green-primary);
    background: rgba(11,102,35,0.08);
}

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

.nav__toggle,
.nav__close {
    display: none;
    cursor: pointer;
    font-size: 1.3rem;
    color: var(--gray-700);
}

/* ========================================
   HERO SLIDER
   ======================================== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    overflow: hidden;
}

.hero__slider {
    position: relative;
    width: 100%;
    height: 100%;
}

.hero__slide {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    opacity: 0;
    transition: opacity 0.8s ease;
    pointer-events: none;
}

.hero__slide.active {
    opacity: 1;
    pointer-events: all;
}

.hero__content {
    max-width: 700px;
    padding-top: 80px;
}

.hero__badge {
    display: inline-block;
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(10px);
    color: var(--white);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 24px;
    border: 1px solid rgba(255,255,255,0.2);
}

.hero__title {
    font-size: clamp(2.2rem, 5vw, 3.8rem);
    font-weight: 900;
    color: var(--white);
    line-height: 1.1;
    margin-bottom: 20px;
}

.hero__title .text-accent {
    color: #7DFF9F;
}

.hero__description {
    font-size: 1.15rem;
    color: rgba(255,255,255,0.85);
    margin-bottom: 36px;
    line-height: 1.7;
    max-width: 550px;
}

.hero__buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero__controls {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 20px;
    z-index: 10;
}

.hero__arrow {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.25);
    color: var(--white);
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero__arrow:hover {
    background: rgba(255,255,255,0.3);
}

.hero__dots {
    display: flex;
    gap: 10px;
}

.hero__dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255,255,255,0.35);
    cursor: pointer;
    transition: var(--transition);
}

.hero__dot.active {
    background: var(--white);
    width: 30px;
    border-radius: 10px;
}

/* ========================================
   SERVICIOS
   ======================================== */
.servicios {
    padding: 100px 0;
    background: var(--gray-50);
}

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

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

.servicio-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--green-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.servicio-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

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

.servicio-card--featured {
    background: var(--green-primary);
    border-color: var(--green-primary);
}

.servicio-card--featured::before {
    background: var(--green-accent);
}

.servicio-card--featured .servicio-card__icon {
    background: rgba(255,255,255,0.15);
    color: var(--white);
}

.servicio-card--featured .servicio-card__title {
    color: var(--white);
}

.servicio-card--featured .servicio-card__text {
    color: rgba(255,255,255,0.85);
}

.servicio-card--featured .servicio-card__link {
    color: rgba(255,255,255,0.9);
}

.servicio-card--featured .servicio-card__link:hover {
    color: var(--white);
}

.servicio-card__icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-md);
    background: rgba(11,102,35,0.1);
    color: var(--green-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 24px;
    transition: var(--transition);
}

.servicio-card:hover .servicio-card__icon {
    background: var(--green-primary);
    color: var(--white);
    transform: scale(1.05);
}

.servicio-card__title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 12px;
}

.servicio-card__text {
    font-size: 0.95rem;
    color: var(--gray-500);
    line-height: 1.7;
    margin-bottom: 20px;
}

.servicio-card__link {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--green-primary);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
}

.servicio-card__link:hover {
    gap: 10px;
}

/* ========================================
   TMS SECTION
   ======================================== */
.tms {
    padding: 100px 0;
    background: linear-gradient(135deg, #0A1A10 0%, #0D2818 50%, #0B3D1C 100%);
    color: var(--white);
}

.tms__wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.tms__title {
    font-size: clamp(1.6rem, 3vw, 2.4rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
}

.tms__title .text-accent {
    color: var(--green-accent);
}

.tms__text {
    font-size: 1.05rem;
    color: rgba(255,255,255,0.7);
    line-height: 1.8;
    margin-bottom: 36px;
}

.tms__features {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.tms__feature {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.tms__feature-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    border-radius: var(--radius-sm);
    background: rgba(16,176,56,0.15);
    color: var(--green-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}

.tms__feature-info h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.tms__feature-info p {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.6);
    line-height: 1.6;
}

/* TMS Screen Mockup */
.tms__screen {
    background: rgba(255,255,255,0.05);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255,255,255,0.1);
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.tms__screen-header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 14px 20px;
    background: rgba(255,255,255,0.05);
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.tms__screen-dots {
    display: flex;
    gap: 6px;
}

.tms__screen-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.tms__screen-dots span:nth-child(1) { background: #FF5F57; }
.tms__screen-dots span:nth-child(2) { background: #FEBC2E; }
.tms__screen-dots span:nth-child(3) { background: #28C840; }

.tms__screen-title {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.5);
    font-weight: 500;
}

.tms__screen-body {
    padding: 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.tms__stat {
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(255,255,255,0.05);
    padding: 16px;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255,255,255,0.06);
}

.tms__stat i {
    font-size: 1.2rem;
    color: var(--green-accent);
}

.tms__stat-num {
    display: block;
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--white);
}

.tms__stat-label {
    display: block;
    font-size: 0.75rem;
    color: rgba(255,255,255,0.5);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.tms__map-placeholder {
    grid-column: 1 / -1;
    background: rgba(255,255,255,0.03);
    border: 1px dashed rgba(255,255,255,0.1);
    border-radius: var(--radius-md);
    padding: 0;
    text-align: center;
    color: rgba(255,255,255,0.4);
    overflow: hidden;
}

.tms__map-img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: var(--radius-md);
}

/* ========================================
   NOSOTROS
   ======================================== */
.nosotros {
    padding: 100px 0;
}

.nosotros__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    margin-bottom: 60px;
}

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

.nosotros__card:hover {
    border-color: var(--green-primary);
    box-shadow: 0 8px 30px rgba(11,102,35,0.1);
}

.nosotros__icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-sm);
    background: var(--green-primary);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    margin-bottom: 24px;
}

.nosotros__card-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 16px;
}

.nosotros__card-text {
    font-size: 0.95rem;
    color: var(--gray-600);
    line-height: 1.8;
}

/* Stats */
.nosotros__stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    background: var(--green-primary);
    border-radius: var(--radius-lg);
    padding: 48px 32px;
}

.stat {
    text-align: center;
    color: var(--white);
}

.stat__number {
    font-size: 2.5rem;
    font-weight: 900;
    display: inline;
}

.stat__plus {
    font-size: 2rem;
    font-weight: 700;
    color: rgba(255,255,255,0.7);
}

.stat__label {
    display: block;
    font-size: 0.9rem;
    color: rgba(255,255,255,0.75);
    margin-top: 8px;
    font-weight: 500;
}

/* ========================================
   COBERTURA
   ======================================== */
.cobertura {
    padding: 100px 0;
    background: var(--gray-50);
}

.cobertura__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

.cobertura__map-img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
}

.cobertura__regions {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.region {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 28px;
    border: 1px solid var(--gray-200);
    transition: var(--transition);
}

.region:hover {
    border-color: var(--green-primary);
    box-shadow: var(--shadow-md);
}

.region__title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--green-primary);
    margin-bottom: 16px;
}

.region__title i {
    font-size: 0.9rem;
}

.region__list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.region__list li {
    font-size: 0.9rem;
    color: var(--gray-600);
    padding: 4px 0;
}

.region__list li::before {
    content: '';
    display: inline-block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--green-accent);
    margin-right: 8px;
}

/* ========================================
   CLIENTES
   ======================================== */
.clientes {
    padding: 100px 0;
}

.clientes__carousel {
    overflow: hidden;
    margin-bottom: 48px;
}

.clientes__track {
    display: flex;
    gap: 24px;
    animation: scrollClients 20s linear infinite;
}

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

.cliente-logo {
    min-width: 180px;
    height: 100px;
    background: var(--gray-100);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--gray-200);
    transition: var(--transition);
    padding: 12px 20px;
}

.cliente-logo:hover {
    border-color: var(--green-primary);
    box-shadow: var(--shadow-md);
}

.cliente-logo img {
    max-width: 140px;
    max-height: 76px;
    object-fit: contain;
    filter: grayscale(20%);
    transition: var(--transition);
}

.cliente-logo:hover img {
    filter: grayscale(0%);
    transform: scale(1.05);
}

.clientes__cta {
    text-align: center;
}

.clientes__cta p {
    font-size: 1.1rem;
    color: var(--gray-500);
    margin-bottom: 20px;
}

/* ========================================
   CONTACTO
   ======================================== */
.contacto {
    padding: 100px 0;
    background: var(--gray-50);
}

.contacto__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

.contacto__info {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.contacto__item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.contacto__icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    border-radius: var(--radius-sm);
    background: rgba(11,102,35,0.1);
    color: var(--green-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}

.contacto__item h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 4px;
}

.contacto__item p {
    font-size: 0.9rem;
    color: var(--gray-500);
    line-height: 1.5;
}

.contacto__whatsapp {
    margin-top: 8px;
}

/* Form */
.contacto__form-wrapper {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 36px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
}

.contacto__form h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 28px;
}

.form__group {
    position: relative;
    margin-bottom: 20px;
}

.form__group input,
.form__group textarea,
.form__group select {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-family: var(--font-family);
    font-size: 0.95rem;
    color: var(--gray-800);
    background: var(--gray-50);
    transition: var(--transition);
    outline: none;
}

.form__group input:focus,
.form__group textarea:focus,
.form__group select:focus {
    border-color: var(--green-primary);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(11,102,35,0.1);
}

.form__group label {
    position: absolute;
    top: 14px;
    left: 16px;
    font-size: 0.95rem;
    color: var(--gray-400);
    pointer-events: none;
    transition: var(--transition);
    background: transparent;
}

.form__group input:focus ~ label,
.form__group input:not(:placeholder-shown) ~ label,
.form__group textarea:focus ~ label,
.form__group textarea:not(:placeholder-shown) ~ label {
    top: -8px;
    left: 12px;
    font-size: 0.75rem;
    color: var(--green-primary);
    background: var(--white);
    padding: 0 4px;
    font-weight: 600;
}

.form__group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%237B8794' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    background: var(--gray-900);
    color: var(--gray-300);
    padding: 64px 0 0;
}

.footer__grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 40px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer__logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}

.footer__logo-img {
    width: 42px;
    height: 42px;
    object-fit: contain;
    border-radius: var(--radius-sm);
}

.footer__tagline {
    font-size: 0.9rem;
    color: var(--gray-400);
    line-height: 1.7;
    margin-bottom: 20px;
}

.footer__social {
    display: flex;
    gap: 12px;
}

.social-link {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background: rgba(255,255,255,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-400);
    transition: var(--transition);
}

.social-link:hover {
    background: var(--green-primary);
    color: var(--white);
    transform: translateY(-3px);
}

.footer__links h4,
.footer__contact h4 {
    color: var(--white);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.footer__links ul li,
.footer__contact ul li {
    margin-bottom: 10px;
}

.footer__links ul li a {
    font-size: 0.9rem;
    color: var(--gray-400);
    transition: var(--transition);
}

.footer__links ul li a:hover {
    color: var(--green-accent);
    padding-left: 4px;
}

.footer__contact ul li {
    display: flex;
    gap: 10px;
    font-size: 0.9rem;
    line-height: 1.5;
}

.footer__contact ul li i {
    color: var(--green-accent);
    margin-top: 4px;
    font-size: 0.85rem;
}

.footer__bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 0;
    font-size: 0.85rem;
    color: var(--gray-500);
}

.footer__bottom i {
    color: #E74C3C;
}

/* ========================================
   WHATSAPP FLOATING BUTTON
   ======================================== */
.whatsapp-float {
    position: fixed;
    bottom: 28px;
    right: 28px;
    display: flex;
    align-items: center;
    gap: 10px;
    background: #25D366;
    color: var(--white);
    padding: 14px 20px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    box-shadow: 0 4px 20px rgba(37,211,102,0.4);
    z-index: 999;
    transition: var(--transition);
    animation: whatsappPulse 2s infinite;
}

.whatsapp-float:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 30px rgba(37,211,102,0.5);
    color: var(--white);
}

.whatsapp-float i {
    font-size: 1.5rem;
}

.whatsapp-float__text {
    white-space: nowrap;
}

@keyframes whatsappPulse {
    0%, 100% { box-shadow: 0 4px 20px rgba(37,211,102,0.4); }
    50% { box-shadow: 0 4px 30px rgba(37,211,102,0.6); }
}

/* ========================================
   RESPONSIVE
   ======================================== */

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

    .tms__wrapper {
        grid-template-columns: 1fr;
        gap: 48px;
    }

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

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

/* Mobile */
@media (max-width: 768px) {
    .nav__menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background: var(--white);
        padding: 80px 32px 32px;
        box-shadow: -10px 0 30px rgba(0,0,0,0.15);
        transition: right 0.4s ease;
        z-index: 1001;
    }

    .nav__menu.active {
        right: 0;
    }

    .nav__toggle {
        display: block;
    }

    .nav__close {
        display: block;
        position: absolute;
        top: 24px;
        right: 24px;
        font-size: 1.5rem;
        color: var(--gray-700);
    }

    .nav__list {
        flex-direction: column;
        gap: 4px;
    }

    .nav__link {
        display: block;
        padding: 12px 16px;
        font-size: 1rem;
    }

    .nav__buttons .btn--whatsapp {
        display: none;
    }

    .hero {
        min-height: 500px;
    }

    .hero__title {
        font-size: 2rem;
    }

    .hero__description {
        font-size: 1rem;
    }

    .hero__buttons {
        flex-direction: column;
    }

    .hero__buttons .btn {
        text-align: center;
        justify-content: center;
    }

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

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

    .nosotros__stats {
        grid-template-columns: 1fr 1fr;
        padding: 32px 20px;
    }

    .stat__number {
        font-size: 2rem;
    }

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

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

    .footer__grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer__bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }

    .whatsapp-float__text {
        display: none;
    }

    .whatsapp-float {
        padding: 16px;
        border-radius: 50%;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .hero__controls {
        bottom: 20px;
    }

    .hero__arrow {
        width: 36px;
        height: 36px;
    }

    .section-header {
        margin-bottom: 40px;
    }

    .servicios,
    .tms,
    .nosotros,
    .cobertura,
    .clientes,
    .contacto {
        padding: 60px 0;
    }
}

/* Overlay when mobile menu is open */
.nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.nav-overlay.active {
    opacity: 1;
    pointer-events: all;
}

/* ========================================
   ANIMATIONS
   ======================================== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}