/* ============================================
   ESTUDIO TOWEBS - CSS PRINCIPAL
   ============================================ */

/* --- Variables CSS (Guía de Marca) --- */
:root {
    /* Colores */
    --color-primary: #0a6e78;
    --color-accent: #00bcd4;
    --color-dark: #2e2e2e;
    --color-white: #ffffff;
    --color-light: #f9f9f9;
    --color-gray: #6c757d;
    --color-gray-light: #e9ecef;
    
    /* Tipografía */
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Montserrat', sans-serif;
    
    /* Tamaños */
    --h1-size: 3rem;
    --h2-size: 2rem;
    --h3-size: 1.4rem;
    --p-size: 1rem;
    --btn-size: 1rem;
    
    /* Espaciado */
    --section-padding: 80px 0;
    --container-width: 1200px;
    
    /* Bordes */
    --border-radius: 6px;
    
    /* Transiciones */
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: var(--p-size);
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-dark);
    background-color: var(--color-white);
}

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

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

a:hover {
    color: var(--color-primary);
}

ul {
    list-style: none;
}

/* --- Container --- */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* --- Tipografía --- */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-dark);
}

h1 { font-size: var(--h1-size); font-weight: 700; }
h2 { font-size: var(--h2-size); }
h3 { font-size: var(--h3-size); }

@media (max-width: 768px) {
    :root {
        --h1-size: 2.2rem;
        --h2-size: 1.6rem;
        --h3-size: 1.2rem;
    }
}

/* --- Header --- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--color-white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    z-index: 1000;
}

.header__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--color-primary);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.3rem;
}

.logo__icon {
    width: 40px;
    height: 40px;
}

.logo__accent {
    color: var(--color-accent);
}

.logo--footer {
    color: var(--color-white);
    margin-bottom: 15px;
}

/* Navigation */
.nav__list {
    display: flex;
    gap: 30px;
}

.nav__link {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--color-dark);
    position: relative;
    padding: 5px 0;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: var(--transition);
}

.nav__link:hover::after,
.nav__link--active::after {
    width: 100%;
}

.nav__link--active {
    color: var(--color-accent);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 20px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.menu-toggle__bar {
    display: block;
    width: 100%;
    height: 3px;
    background: var(--color-primary);
    transition: var(--transition);
    border-radius: 2px;
}

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
        z-index: 1001;
    }
    
    .menu-toggle.active .menu-toggle__bar:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }
    
    .menu-toggle.active .menu-toggle__bar:nth-child(2) {
        opacity: 0;
    }
    
    .menu-toggle.active .menu-toggle__bar:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }
    
    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background: var(--color-white);
        display: flex;
        align-items: center;
        justify-content: center;
        transition: var(--transition);
    }
    
    .nav.active {
        right: 0;
    }
    
    .nav__list {
        flex-direction: column;
        align-items: center;
        gap: 25px;
    }
    
    .nav__link {
        font-size: 1.5rem;
    }
}

/* --- Main --- */
.main {
    padding-top: 70px;
}

/* --- Hero (Home) --- */
.hero {
    position: relative;
    min-height: calc(100vh - 70px);
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-dark) 100%);
    overflow: hidden;
}

.hero__bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

.hero__content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    padding: 60px 0;
}

.hero__title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 20px;
    line-height: 1.1;
}

.hero__text {
    font-size: 1.2rem;
    color: rgba(255,255,255,0.9);
    margin-bottom: 30px;
    line-height: 1.7;
}

/* Page Hero */
.page-hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-dark) 100%);
    padding: 80px 0;
    text-align: center;
}

.page-hero__title {
    color: var(--color-white);
    margin-bottom: 15px;
}

.page-hero__subtitle {
    font-size: 1.2rem;
    color: rgba(255,255,255,0.9);
    max-width: 700px;
    margin: 0 auto;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: var(--btn-size);
    padding: 14px 28px;
    border-radius: var(--border-radius);
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn svg {
    width: 18px;
    height: 18px;
}

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

.btn--primary:hover {
    background: #00a0b8;
    border-color: #00a0b8;
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 188, 212, 0.4);
}

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

.btn--secondary:hover {
    background: var(--color-accent);
    color: var(--color-white);
}

.btn--large {
    padding: 18px 36px;
    font-size: 1.1rem;
}

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

/* --- Sections --- */
.section {
    padding: var(--section-padding);
}

.section--light {
    background: var(--color-white);
}

.section--dark {
    background: var(--color-dark);
    color: var(--color-white);
}

.section--dark h2,
.section--dark h3 {
    color: var(--color-white);
}

.section__title {
    font-size: var(--h2-size);
    margin-bottom: 20px;
}

.section__title--center {
    text-align: center;
}

.section__text {
    font-size: 1.1rem;
    color: var(--color-gray);
    max-width: 800px;
}

.section__text--center {
    text-align: center;
    margin: 0 auto;
}

.section__subtitle {
    color: var(--color-gray);
    margin-bottom: 30px;
}

/* --- Benefits --- */
.benefits {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-top: 50px;
}

.benefit {
    text-align: center;
    padding: 30px;
}

.benefit__icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 188, 212, 0.1);
    border-radius: 50%;
}

.benefit__icon svg {
    width: 40px;
    height: 40px;
    stroke: var(--color-accent);
}

.benefit__title {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.benefit__text {
    color: rgba(255,255,255,0.8);
}

@media (max-width: 900px) {
    .benefits {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

/* --- Process --- */
.process {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.process__step {
    position: relative;
    padding: 25px;
    background: var(--color-light);
    border-radius: var(--border-radius);
}

.process__number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: var(--color-primary);
    color: var(--color-white);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.5rem;
    border-radius: 50%;
    margin-bottom: 15px;
}

.process__title {
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.process__text {
    font-size: 0.95rem;
    color: var(--color-gray);
}

@media (max-width: 1000px) {
    .process {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .process {
        grid-template-columns: 1fr;
    }
}

/* --- Values --- */
.values {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-top: 50px;
}

.value {
    text-align: center;
    padding: 30px;
}

.value__icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 188, 212, 0.15);
    border-radius: 50%;
}

.value__icon svg {
    width: 35px;
    height: 35px;
    stroke: var(--color-accent);
}

.value__title {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--color-white);
}

.value__text {
    color: rgba(255,255,255,0.8);
}

@media (max-width: 900px) {
    .values {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

/* --- Services --- */
.services {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.service {
    padding: 35px;
    background: var(--color-light);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--color-accent);
    transition: var(--transition);
}

.service:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.service__icon {
    width: 60px;
    height: 60px;
    margin-bottom: 20px;
}

.service__icon svg {
    width: 100%;
    height: 100%;
    stroke: var(--color-primary);
}

.service__title {
    font-size: 1.3rem;
    margin-bottom: 15px;
}

.service__text {
    color: var(--color-gray);
    margin-bottom: 15px;
}

.service__tag {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-primary);
    background: rgba(10, 110, 120, 0.1);
    padding: 6px 12px;
    border-radius: 20px;
}

@media (max-width: 900px) {
    .services {
        grid-template-columns: 1fr;
    }
}

/* --- Content Block --- */
.content-block {
    max-width: 800px;
    margin: 0 auto;
}

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

.content-block--centered {
    text-align: center;
}

/* --- CTA Section --- */
.cta {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-primary) 100%);
    padding: 80px 0;
    text-align: center;
}

.cta__title {
    color: var(--color-white);
    font-size: var(--h2-size);
    margin-bottom: 15px;
}

.cta__text {
    color: rgba(255,255,255,0.9);
    font-size: 1.1rem;
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

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

/* --- Contact Form --- */
.contact-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    margin-top: 50px;
}

.contact-form-wrapper {
    background: var(--color-light);
    padding: 40px;
    border-radius: var(--border-radius);
}

.form__group {
    margin-bottom: 20px;
}

.form__label {
    display: block;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 8px;
    color: var(--color-dark);
}

.form__input {
    width: 100%;
    padding: 14px 16px;
    font-family: var(--font-body);
    font-size: 1rem;
    border: 2px solid var(--color-gray-light);
    border-radius: var(--border-radius);
    background: var(--color-white);
    transition: var(--transition);
}

.form__input:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(0, 188, 212, 0.2);
}

.form__input--error {
    border-color: #dc3545;
}

.form__textarea {
    resize: vertical;
    min-height: 120px;
}

.form__error {
    display: block;
    color: #dc3545;
    font-size: 0.85rem;
    margin-top: 5px;
}

@media (max-width: 900px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

/* --- Contact Info --- */
.contact-info__card {
    background: var(--color-light);
    padding: 30px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
}

.contact-info__title {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: var(--color-primary);
}

.contact-info__list li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 15px;
}

.contact-info__list svg {
    width: 22px;
    height: 22px;
    stroke: var(--color-accent);
    flex-shrink: 0;
}

.contact-info__list a {
    color: var(--color-dark);
}

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

.contact-info__card p {
    color: var(--color-gray);
    margin-bottom: 10px;
}

.contact-info__trust {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 20px;
    background: rgba(0, 188, 212, 0.1);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--color-accent);
}

.contact-info__trust svg {
    width: 30px;
    height: 30px;
    stroke: var(--color-accent);
    flex-shrink: 0;
}

.contact-info__trust p {
    font-size: 0.95rem;
    color: var(--color-dark);
    margin: 0;
}

/* --- Alert --- */
.alert {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 20px;
    border-radius: var(--border-radius);
    margin-bottom: 30px;
}

.alert--success {
    background: rgba(40, 167, 69, 0.1);
    border: 1px solid #28a745;
    color: #155724;
}

.alert--success svg {
    width: 24px;
    height: 24px;
    stroke: #28a745;
    flex-shrink: 0;
}

/* --- Footer --- */
.footer {
    background: var(--color-dark);
    color: var(--color-white);
    padding: 60px 0 30px;
}

.footer__inner {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1.2fr;
    gap: 50px;
    margin-bottom: 40px;
}

.footer__desc {
    color: rgba(255,255,255,0.7);
    margin-top: 15px;
    font-size: 0.95rem;
}

.footer__title {
    font-size: 1.1rem;
    margin-bottom: 20px;
    color: var(--color-accent);
}

.footer__links li {
    margin-bottom: 12px;
}

.footer__links a {
    color: rgba(255,255,255,0.8);
    font-size: 0.95rem;
}

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

.footer__links--contact li {
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer__links--contact svg {
    width: 18px;
    height: 18px;
    stroke: var(--color-accent);
}

.footer__links--contact span,
.footer__links--contact a {
    color: rgba(255,255,255,0.8);
    font-size: 0.9rem;
}

.footer__bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 30px;
    text-align: center;
}

.footer__bottom p {
    color: rgba(255,255,255,0.6);
    font-size: 0.9rem;
}

.footer__schedule {
    margin-top: 10px;
    font-size: 0.85rem !important;
}

@media (max-width: 900px) {
    .footer__inner {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .footer__links--contact li {
        justify-content: center;
    }
}

/* --- Utilities --- */
.text-center { text-align: center; }
.text-white { color: var(--color-white); }
.mt-2 { margin-top: 20px; }
.mb-2 { margin-bottom: 20px; }

/* --- Animations --- */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.hero__content,
.benefit,
.process__step,
.value,
.service,
.contact-form-wrapper {
    animation: fadeIn 0.6s ease forwards;
}