/* ==========================================================================
   DISEÑO DE IDENTIDAD VISUAL - SERVIOFF MARINE S.A.S.
   Metodología BEM (Block, Element, Modifier) + Mobile First
   ========================================================================== */

/* 1. Variables Globales y Reset */
:root {
    /* Paleta de Colores Exclusiva */
    --color-primary: #073B4C;        /* Deep Oceanic Teal / Azul Petróleo profundo */
    --color-primary-dark: #03212C;   /* Deepest Navy */
    --color-primary-light: #115D75;  /* Light Teal */
    --color-bg-white: #FFFFFF;       /* Blanco Premium */
    --color-bg-ice: #F4F7F6;         /* Gris Hielo claro */
    --color-accent: #FF6B6B;         /* Bright Coral (CTA Críticos) */
    --color-accent-hover: #E85B5B;   /* Coral Darker */
    --color-cyan: #06D6A0;           /* Aqua / Cyan eléctrico (Detalles interactivos) */
    --color-text: #2B3D44;           /* Texto Principal */
    --color-text-light: #6A858F;     /* Texto Secundario / Desvanecido */
    --color-success: #10B981;        /* Éxito */
    --color-danger: #EF4444;         /* Peligro */
    
    /* Tipografía */
    --font-headers: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Efectos y Animaciones */
    --shadow-sm: 0 2px 4px rgba(7, 59, 76, 0.05);
    --shadow-md: 0 4px 12px rgba(7, 59, 76, 0.08);
    --shadow-lg: 0 10px 25px rgba(7, 59, 76, 0.12);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --border-radius: 6px;
    --border-radius-lg: 12px;
}

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

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

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

/* 2. Clases de Utilidad Comunes */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.container--narrow {
    max-width: 800px;
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.margin-top-md { margin-top: 30px; }
.margin-bottom-lg { margin-bottom: 50px; }
.gap-sm { gap: 15px; }

/* Grid System (Mobile First) */
.grid {
    display: grid;
    gap: 30px;
}

.grid--2-cols { grid-template-columns: 1fr; }
.grid--3-cols { grid-template-columns: 1fr; }
.grid--4-cols { grid-template-columns: 1fr; }
.grid--align-center { align-items: center; }

@media (min-width: 768px) {
    .grid--2-cols { grid-template-columns: repeat(2, 1fr); }
    .grid--3-cols { grid-template-columns: repeat(2, 1fr); }
    .grid--4-cols { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 992px) {
    .grid--3-cols { grid-template-columns: repeat(3, 1fr); }
    .grid--4-cols { grid-template-columns: repeat(4, 1fr); }
}

/* Botones */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-headers);
    font-weight: 600;
    text-decoration: none;
    padding: 14px 28px;
    border-radius: var(--border-radius);
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-size: 0.95rem;
}

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

.btn--primary:hover {
    background-color: var(--color-primary-light);
    transform: translateY(-2px);
}

.btn--accent {
    background-color: var(--color-accent);
    color: var(--color-bg-white);
    box-shadow: 0 4px 15px rgba(255, 107, 107, 0.3);
}

.btn--accent:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 107, 107, 0.4);
}

.btn--outline {
    background-color: transparent;
    color: var(--color-bg-white);
    border: 2px stroke var(--color-bg-white);
    border: 2px solid var(--color-bg-white);
}

.btn--outline:hover {
    background-color: var(--color-bg-white);
    color: var(--color-primary);
}

.btn--text {
    background: transparent;
    color: var(--color-primary);
    padding: 0;
    font-size: 1rem;
}

.btn--text:hover {
    color: var(--color-cyan);
}

.btn--small {
    padding: 8px 16px;
    font-size: 0.85rem;
}

.btn--block {
    display: flex;
    width: 100%;
}

/* Secciones */
.section {
    padding: 70px 0;
}

.section--ice {
    background-color: var(--color-bg-ice);
}

.section__subtitle {
    font-family: var(--font-headers);
    font-weight: 700;
    font-size: 0.85rem;
    color: var(--color-cyan);
    text-transform: uppercase;
    letter-spacing: 2px;
    display: block;
    margin-bottom: 10px;
}

.section__title {
    font-family: var(--font-headers);
    font-size: 2.2rem;
    color: var(--color-primary);
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.25;
}

.section__desc {
    max-width: 600px;
    margin: 0 auto 40px auto;
    color: var(--color-text-light);
}

.section__paragraph {
    font-size: 1.05rem;
    color: var(--color-text);
    margin-bottom: 20px;
}

/* ==========================================================================
   COMPONENTES
   ========================================================================== */

/* Barra de Contacto Superior (Top Bar) */
.top-bar {
    background-color: var(--color-primary-dark);
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.8rem;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.top-bar__container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-bar__info {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.top-bar__item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.top-bar__icon {
    width: 14px;
    height: 14px;
    fill: var(--color-cyan);
}

.top-bar__link {
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
}

.top-bar__link:hover {
    color: var(--color-cyan);
}

.top-bar__badge {
    background-color: rgba(6, 214, 160, 0.2);
    color: var(--color-cyan);
    padding: 2px 10px;
    border-radius: 20px;
    font-weight: 600;
}

@media (max-width: 576px) {
    .top-bar__item--hide-mobile {
        display: none;
    }
}

/* Encabezado (Header) */
.header {
    background-color: var(--color-bg-white);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    padding: 15px 0;
}

.header__container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header__logo-container {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--color-primary);
}

.header__logo-icon {
    width: 40px;
    height: 40px;
    color: var(--color-primary);
}

.header__logo-text {
    display: flex;
    flex-direction: column;
}

.header__logo-title {
    font-family: var(--font-headers);
    font-weight: 800;
    font-size: 1.25rem;
    line-height: 1.1;
    letter-spacing: -0.5px;
}

.header__logo-subtitle {
    font-family: var(--font-body);
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 2px;
    color: var(--color-text-light);
}

/* Menú de Navegación */
.nav {
    display: none; /* Oculto en móvil por defecto */
}

.nav__list {
    list-style: none;
    display: flex;
    gap: 25px;
}

.nav__link {
    font-family: var(--font-headers);
    font-weight: 500;
    color: var(--color-text);
    text-decoration: none;
    font-size: 0.95rem;
    transition: var(--transition);
    padding: 8px 0;
    border-bottom: 2px solid transparent;
}

.nav__link:hover,
.nav__link--active {
    color: var(--color-primary);
    border-bottom-color: var(--color-cyan);
}

/* Hamburguesa Móvil */
.header__toggle {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 26px;
    height: 20px;
    background: transparent;
    border: none;
    cursor: pointer;
}

.header__toggle-bar {
    width: 100%;
    height: 3px;
    background-color: var(--color-primary);
    border-radius: 4px;
    transition: var(--transition);
}

/* Navegación responsiva activada */
.nav--open {
    display: block;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-bg-white);
    padding: 20px;
    box-shadow: var(--shadow-lg);
    border-top: 1px solid var(--color-bg-ice);
}

.nav--open .nav__list {
    flex-direction: column;
    gap: 15px;
}

.nav--open .nav__link {
    display: block;
    width: 100%;
    padding: 10px 0;
}

@media (min-width: 992px) {
    .nav {
        display: block;
    }
    .header__toggle {
        display: none;
    }
}

.header__actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

@media (max-width: 576px) {
    .header__cta-btn {
        display: none;
    }
}

/* Hero Section */
.hero {
    position: relative;
    padding: 100px 0;
    min-height: 550px;
    display: flex;
    align-items: center;
    color: var(--color-bg-white);
    overflow: hidden;
}

.hero__slides {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero__slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
}

.hero__slide--active {
    opacity: 1;
}

.hero__container {
    position: relative;
    z-index: 2;
}

.hero__content {
    max-width: 650px;
}

.hero__subtitle {
    font-family: var(--font-headers);
    color: var(--color-cyan);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 2px;
    margin-bottom: 15px;
    display: block;
}

.hero__title {
    font-family: var(--font-headers);
    font-size: 2.8rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 20px;
}

.hero__description {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 35px;
}

.hero__actions {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

@media (max-width: 768px) {
    .hero__title {
        font-size: 2.2rem;
    }
    .hero {
        padding: 70px 0;
        min-height: auto;
    }
}

/* Tarjetas y Pilares (BEM) */
.card {
    background-color: var(--color-bg-white);
    border-radius: var(--border-radius-lg);
    padding: 35px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
    border: 1px solid rgba(7, 59, 76, 0.05);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(6, 214, 160, 0.3);
}

.card--pilar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 6px;
    height: 100%;
    background-color: var(--color-primary);
    border-top-left-radius: var(--border-radius-lg);
    border-bottom-left-radius: var(--border-radius-lg);
    transition: var(--transition);
}

.card--pilar:hover::before {
    background-color: var(--color-cyan);
    height: 50px;
}

.card__number {
    font-family: var(--font-headers);
    font-weight: 800;
    font-size: 2.5rem;
    color: rgba(7, 59, 76, 0.1);
    position: absolute;
    top: 20px;
    right: 25px;
    line-height: 1;
}

.card__title {
    font-family: var(--font-headers);
    font-weight: 700;
    font-size: 1.3rem;
    color: var(--color-primary);
    margin-bottom: 15px;
}

.card__text {
    color: var(--color-text-light);
    font-size: 0.95rem;
    line-height: 1.5;
}

/* Tarjetas Info Misión/Visión */
.card--info {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.card__icon-wrap {
    background-color: var(--color-bg-ice);
    padding: 12px;
    border-radius: 50%;
    color: var(--color-primary);
    flex-shrink: 0;
}

.card__icon {
    width: 32px;
    height: 32px;
    fill: currentColor;
}

@media (max-width: 576px) {
    .card--info {
        flex-direction: column;
    }
}

/* Sección Quiénes Somos Intro */
.intro__img {
    width: 100%;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
}

/* Banner de Páginas */
.page-banner {
    padding: 80px 0;
    color: var(--color-bg-white);
    background-size: cover;
    background-position: center;
    text-align: center;
}

.page-banner__title {
    font-family: var(--font-headers);
    font-size: 2.6rem;
    font-weight: 800;
    margin-bottom: 10px;
}

.page-banner__description {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    max-width: 600px;
    margin: 0 auto;
}

/* Contadores Estadísticos */
.section--stats {
    background-color: var(--color-primary);
    color: var(--color-bg-white);
    padding: 60px 0;
}

.stats__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    text-align: center;
}

@media (min-width: 768px) {
    .stats__grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-item__number {
    font-family: var(--font-headers);
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--color-cyan);
    line-height: 1;
    margin-bottom: 10px;
}

.stat-item__label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Portafolio de Servicios */
.services-cat {
    margin-bottom: 60px;
}

.services-cat:last-child {
    margin-bottom: 0;
}

.services-cat__header {
    display: flex;
    align-items: center;
    gap: 15px;
    border-bottom: 2px solid var(--color-bg-ice);
    padding-bottom: 15px;
    margin-bottom: 30px;
}

.services-cat__icon {
    width: 28px;
    height: 28px;
    fill: var(--color-primary);
}

.services-cat__title {
    font-family: var(--font-headers);
    font-size: 1.6rem;
    color: var(--color-primary);
    font-weight: 700;
}

.service-card {
    background-color: var(--color-bg-white);
    border: 1px solid var(--color-bg-ice);
    border-radius: var(--border-radius);
    padding: 25px;
    transition: var(--transition);
}

.service-card:hover {
    border-color: var(--color-cyan);
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.service-card__title {
    font-family: var(--font-headers);
    font-weight: 600;
    font-size: 1.15rem;
    color: var(--color-primary);
    margin-bottom: 10px;
}

.service-card__text {
    font-size: 0.9rem;
    color: var(--color-text-light);
    line-height: 1.5;
}

/* Sección de Formulario de Contacto */
.contacto__info {
    padding-right: 20px;
}

.contacto__details {
    margin-top: 30px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contacto__detail-item {
    display: flex;
    gap: 15px;
    align-items: flex-start;
}

.contacto__detail-icon {
    background-color: var(--color-bg-ice);
    padding: 10px;
    border-radius: 50%;
    color: var(--color-primary);
    flex-shrink: 0;
}

.contacto__detail-icon svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

.contacto__detail-title {
    font-family: var(--font-headers);
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 4px;
}

.contacto__detail-text {
    font-size: 0.95rem;
    color: var(--color-text-light);
}

.contacto__detail-link {
    color: inherit;
    text-decoration: none;
}

.contacto__detail-link:hover {
    color: var(--color-primary);
}

.contacto__legal-box {
    background-color: var(--color-bg-ice);
    border-radius: var(--border-radius);
    padding: 20px;
    margin-top: 40px;
    font-size: 0.85rem;
}

.contacto__legal-title {
    font-family: var(--font-headers);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 10px;
}

.contacto__legal-box p {
    margin-bottom: 6px;
}

.contacto__form-wrap {
    background-color: var(--color-bg-white);
    border: 1px solid var(--color-bg-ice);
    border-radius: var(--border-radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-sm);
}

.contacto__form-title {
    font-family: var(--font-headers);
    font-size: 1.5rem;
    color: var(--color-primary);
    font-weight: 700;
    margin-bottom: 10px;
}

.contacto__form-desc {
    color: var(--color-text-light);
    margin-bottom: 30px;
}

/* Formularios */
.form__group {
    margin-bottom: 20px;
}

.form__group--honeypot {
    display: none;
}

.form__label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--color-primary);
}

.form__input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #D1D5DB;
    border-radius: var(--border-radius);
    font-family: var(--font-body);
    font-size: 0.95rem;
    outline: none;
    transition: var(--transition);
}

.form__input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(7, 59, 76, 0.15);
}

.form__input--textarea {
    resize: vertical;
}

.form__group--checkbox {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.form__checkbox {
    margin-top: 4px;
    width: 16px;
    height: 16px;
    cursor: pointer;
}

.form__checkbox-label {
    font-size: 0.85rem;
    color: var(--color-text-light);
}

.form__checkbox-label a {
    color: var(--color-primary);
    text-decoration: underline;
}

/* Alertas */
.alert {
    padding: 15px 20px;
    border-radius: var(--border-radius);
    margin-bottom: 25px;
    font-size: 0.9rem;
    line-height: 1.5;
}

.alert--success {
    background-color: #DEF7EC;
    color: #03543F;
    border-left: 4px solid var(--color-success);
}

.alert--danger {
    background-color: #FDE8E8;
    color: #9B1C1C;
    border-left: 4px solid var(--color-danger);
}

/* Contenido Legal */
.legal-content h2 {
    font-family: var(--font-headers);
    color: var(--color-primary);
    font-size: 1.4rem;
    margin-top: 30px;
    margin-bottom: 15px;
}

.legal-content p {
    margin-bottom: 15px;
    color: var(--color-text);
}

.legal-content ul {
    margin-bottom: 20px;
    padding-left: 20px;
}

.legal-content li {
    margin-bottom: 8px;
}

/* Sección CTA general */
.cta {
    padding: 90px 0;
    color: var(--color-bg-white);
    background-size: cover;
    background-position: center;
    position: relative;
}

.cta__title {
    font-family: var(--font-headers);
    font-size: 2.4rem;
    font-weight: 800;
    margin-bottom: 20px;
}

.cta__description {
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto 35px auto;
    color: rgba(255, 255, 255, 0.9);
}

.cta__actions {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

/* ==========================================================================
   PIE DE PÁGINA (Footer)
   ========================================================================== */
.footer {
    background-color: var(--color-primary-dark);
    color: var(--color-bg-white);
    padding-top: 70px;
    font-size: 0.9rem;
}

.footer__top {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    padding-bottom: 50px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

@media (min-width: 768px) {
    .footer__top {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 992px) {
    .footer__top {
        grid-template-columns: 2fr 1fr 1fr 1.5fr;
    }
}

.footer__brand {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

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

.footer__logo-icon {
    width: 45px;
    height: 45px;
    color: var(--color-cyan);
}

.footer__logo-title {
    font-family: var(--font-headers);
    font-weight: 800;
    font-size: 1.3rem;
    letter-spacing: -0.5px;
    color: var(--color-bg-white);
}

.footer__logo-subtitle {
    font-family: var(--font-body);
    font-size: 0.65rem;
    color: var(--color-cyan);
    letter-spacing: 2px;
}

.footer__description {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

.footer__legal-meta {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.5);
}

.footer__legal-meta p {
    margin-bottom: 4px;
}

.footer__title {
    font-family: var(--font-headers);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--color-cyan);
}

.footer__list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer__list li {
    line-height: 1.4;
}

.footer__link {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
}

.footer__link:hover {
    color: var(--color-cyan);
}

.footer__address {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 15px;
    line-height: 1.5;
}

.footer__contact-info {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer__contact-info li {
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer__contact-icon {
    width: 16px;
    height: 16px;
    fill: var(--color-cyan);
}

.footer__bottom {
    background-color: #02141a;
    padding: 25px 0;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.5);
}

.footer__bottom-container {
    display: flex;
    flex-direction: column;
    gap: 10px;
    text-align: center;
}

@media (min-width: 768px) {
    .footer__bottom-container {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}