/* ============================================= */
/* CSS RESET & GLOBAL STYLES                     */
/* ============================================= */

:root {
	/* New Color Palette: Inspired by reference image */
	--color-primary: #7a6c6c; /* Charcoal Blue (for text, footer) */
	--color-secondary: #2a9d8f; /* Persian Green (for buttons, main accents) */
	--color-accent: #feac7c; /* Sandy Brown (for secondary accents) */
	--color-highlight: #feac7c; /* Saffron (for tags) */
	--color-highlight-light: #fed7bf;
	--color-background-light: #f8f3ed; /* Very Light Off-White/Cream */
	--color-background-dark: #d3e3d6; /* Very light tint of Persian Green */
	--color-text-primary: #7a6c6c;
	--color-text-secondary: #2a9d8f;
	--color-white: #ffffff;

	/* Typography */
	--font-family-main: "Inter", sans-serif;

	/* Spacing & Borders */
	--section-padding: 70px 0;
	--border-radius: 12px;
	--transition-speed: 0.3s ease;
}

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

html {
	scroll-behavior: smooth;
}

body {
	font-family: var(--font-family-main);
	color: var(--color-text-primary);
	background-color: var(--color-background-light);
	line-height: 1.6;
}

section[id] {
	scroll-margin-top: 70px;
}

.container {
	width: 90%;
	max-width: 1100px;
	margin: 0 auto;
}

h1,
h2,
h3 {
	line-height: 1.2;
	margin-bottom: 0.75em;
	font-weight: 700;
}

h1 {
	font-size: 2.8rem;
}
h2 {
	font-size: 2.2rem;
}
h3 {
	font-size: 1.5rem;
}

p {
	margin-bottom: 1rem;
	color: #555;
}

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

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

ul {
	list-style: none;
}

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

.section-padding {
	padding: var(--section-padding);
}

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

.section-title {
	text-align: center;
	margin-bottom: 50px;
}

/* Accessibility */
:focus-visible {
	outline: 2px solid var(--color-accent);
	outline-offset: 3px;
	border-radius: 4px;
}

/* ============================================= */
/* HEADER & NAVIGATION                           */
/* ============================================= */
.main-header {
	background-color: var(--color-background-light);
	backdrop-filter: blur(10px);
	border-bottom: 1px solid #e0e0e0;
	position: fixed;
	width: 100%;
	top: 0;
	z-index: 1000;
	transition: box-shadow var(--transition-speed);
}

.main-header.scrolled {
	box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

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

.logo {
	font-weight: 700;
	font-size: 1.4rem;
	color: var(--color-primary);
}

.nav-links {
	display: flex;
	gap: 25px;
}

.nav-links a {
	font-weight: 500;
	padding: 5px 0;
	position: relative;
	color: var(--color-text-primary);
}

.nav-links a::after {
	content: "";
	position: absolute;
	bottom: -2px;
	left: 0;
	width: 0;
	height: 2px;
	background-color: var(--color-accent);
	transition: width var(--transition-speed);
}

.nav-links a:hover::after,
.nav-links a:focus::after {
	width: 100%;
}

.hamburger-menu {
	display: none;
	background: none;
	border: none;
	cursor: pointer;
	padding: 5px;
}

.hamburger-menu span {
	display: block;
	width: 25px;
	height: 3px;
	background-color: var(--color-primary);
	margin: 5px 0;
	transition: transform 0.4s, opacity 0.4s;
}

/* ============================================= */
/* CTA & BUTTONS                                 */
/* ============================================= */
.cta-button {
	display: inline-block;
	background-color: var(--color-secondary);
	color: var(--color-white);
	padding: 14px 32px;
	border-radius: var(--border-radius);
	font-weight: 700;
	letter-spacing: 1px;
	transition: background-color var(--transition-speed), transform var(--transition-speed), box-shadow var(--transition-speed);
	border: none;
	box-shadow: 0 4px 15px rgba(42, 157, 143, 0.2);
}

.cta-button:hover,
.cta-button:focus {
	background-color: var(--color-accent);
	color: var(--color-white);
	transform: translateY(-3px);
	box-shadow: 0 6px 20px rgba(244, 162, 97, 0.3);
}

.btn-secondary {
	display: inline-block;
	background-color: transparent;
	color: var(--color-secondary);
	padding: 10px 25px;
	border-radius: var(--border-radius);
	font-weight: 500;
	border: 2px solid var(--color-secondary);
	transition: all var(--transition-speed);
	margin-top: auto; /* Pushes button to the bottom in flex container */
}

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

/* ============================================= */
/* HERO SECTION                                  */
/* ============================================= */
.hero-section {
	min-height: 85vh;
	display: flex;
	align-items: center;
	justify-content: center;
	text-align: center;
	padding-top: 70px; /* Header height */
	background-color: var(--color-background-light);
	background-image: linear-gradient(rgba(248, 247, 242, 0.5), rgba(248, 247, 242, 0.5)),
		url("https://images.pexels.com/photos/6963857/pexels-photo-6963857.jpeg");
}

.hero-content {
	max-width: 800px;
}

.hero-content .subtitle {
	font-size: 1.2rem;
	color: var(--color-primary);
	margin: 20px 0 30px;
}

/* ============================================= */
/* SOBRE MÍ SECTION                              */
/* ============================================= */
.about-me-container {
	display: grid;
	grid-template-columns: 1fr 1.5fr;
	align-items: center;
	gap: 60px;
}

.about-me-gallery {
	position: relative;
	height: 350px;
}

.profile-pic,
.decorative-pic {
	position: absolute;
	border-radius: var(--border-radius);
	object-fit: cover;
	box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
	transition: transform var(--transition-speed);
}

.profile-pic:hover,
.decorative-pic:hover {
	transform: scale(1.05);
}

.profile-pic {
	width: 65%;
	height: auto;
	max-height: 280px;
	top: 60%;
	right: 0;
	transform: translateY(-50%);
	z-index: 2;
	border: 5px solid var(--color-background-light);
}

.decorative-pic {
	width: 70%;
	height: auto;
	top: 0;
	left: 0;
}

.about-me-text p {
	color: var(--color-text-primary);
	text-align: left;
}

.profile-pic:hover {
	transform: translateY(-50%) scale(1.05);
	transform-origin: center center;
}

.decorative-pic:hover {
	transform: scale(1.05);
	transform-origin: center center;
}

/* IMPROVED MOBILE STYLES */
@media (max-width: 768px) {
	.about-me-container {
		grid-template-columns: 1fr;
		gap: 10px;
		padding: 0 20px;
	}

	.about-me-gallery {
		position: relative;
		height: 280px;
		width: 100%;
		margin: 0 auto;
		max-width: 320px;
	}

	.decorative-pic {
		width: 85%;
		height: auto;
		top: 0;
		left: 0;
		max-height: 240px;
		object-fit: cover;
	}

	.profile-pic {
		width: 55%;
		height: auto;
		top: 30px;
		right: 0;
		transform: none;
		max-height: 200px;
		object-fit: cover;
		border: 3px solid var(--color-background-light);
	}

	/* Subtle hover effects for mobile */
	.profile-pic:hover,
	.decorative-pic:hover {
		transform: scale(1.02);
	}

	.about-me-text {
		text-align: left;
	}

	.about-me-text h2 {
		margin-bottom: 20px;
	}

	.about-me-text p {
		text-align: left;
		line-height: 1.6;
		font-size: 16px;
	}
}

/* ============================================= */
/* STYLES FOR VIDEO SECTION (ADAPTED)            */
/* ============================================= */
.videos-grid {
	display: grid;
	/* Usa auto-fit para que sea responsive por defecto. Pasará a 1 columna en móviles. */
	grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
	gap: 30px; /* Consistente con pricing grid */
}

.video-card {
	background-color: var(--color-white);
	border-radius: var(--border-radius);
	box-shadow: 0 5px 25px rgba(0, 0, 0, 0.05);
	transition: transform var(--transition-speed), box-shadow var(--transition-speed);
	overflow: hidden;
	display: flex;
	flex-direction: column;
}

.video-card:hover {
	transform: translateY(-10px);
	box-shadow: 0 15px 35px rgba(38, 70, 83, 0.1);
}

.video-embed {
	position: relative;
	padding-bottom: 56.25%; /* Proporción 16:9 para videos */
	height: 0;
	overflow: hidden;
	background-color: #000; /* Fondo negro mientras carga el video */
}

.video-embed iframe {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	border: 0;
}

.video-card-content {
	padding: 25px 30px 30px;
	display: flex;
	flex-direction: column;
	flex-grow: 1; /* Permite que el contenido ocupe el espacio */
}

.video-card-content h3 {
	color: var(--color-primary);
	font-size: 1.25rem; /* Tamaño adecuado para las tarjetas */
	margin-top: 0;
	margin-bottom: 0.5rem;
}

.video-card-content p {
	color: #555;
	flex-grow: 1;
	margin-bottom: 0; /* No hay botón, así que no se necesita margen inferior */
}

/* ============================================= */
/* CURSOS SECTION (Redesigned)                   */
/* ============================================= */
.courses-grid {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 40px;
}

.course-card {
	background-color: var(--color-white);
	border-radius: var(--border-radius);
	box-shadow: 0 5px 25px rgba(0, 0, 0, 0.05);
	transition: transform var(--transition-speed), box-shadow var(--transition-speed);
	overflow: hidden;
	display: flex;
	flex-direction: column;
}

.course-card:hover {
	transform: translateY(-10px);
	box-shadow: 0 15px 35px rgba(38, 70, 83, 0.1);
}

.course-image {
	width: 100%;
	height: 220px;
	object-fit: cover;
}

.course-card-content {
	padding: 25px 30px 30px;
	display: flex;
	flex-direction: column;
	flex-grow: 1; /* Allows the content to fill available space */
}

.course-card-content h3 {
	color: var(--color-primary);
}

.course-card-content p {
	color: #555;
	margin-bottom: 25px;
	flex-grow: 1;
}

/* ============================================= */
/* FAQ SECTION                                   */
/* ============================================= */
.faq-accordion {
	max-width: 750px;
	margin: 0 auto;
}

.faq-item {
	background-color: #fff;
	border: 1px solid #e8e8e8;
	border-radius: var(--border-radius);
	margin-bottom: 10px;
	overflow: hidden;
}

.faq-question {
	width: 100%;
	background: none;
	border: none;
	text-align: left;
	padding: 20px 25px;
	font-size: 1.1rem;
	font-weight: 500;
	cursor: pointer;
	display: flex;
	justify-content: space-between;
	align-items: center;
	color: var(--color-primary);
}
.faq-question:hover {
	background-color: var(--color-highlight-light);
}

.faq-icon {
	font-size: 1.5rem;
	transition: transform var(--transition-speed);
	font-weight: 400;
	color: var(--color-secondary);
}

.faq-question[aria-expanded="true"] {
	background-color: var(--color-highlight-light);
	border-bottom: 1px solid rgba(42, 157, 143, 0.2);
}

.faq-question[aria-expanded="true"] .faq-icon {
	transform: rotate(45deg);
}

.faq-answer {
	max-height: 0;
	overflow: hidden;
	transition: max-height 0.4s ease-out;
}

.faq-answer p {
	padding: 5px 25px 20px;
	color: #555;
	margin: 0;
}

/* ============================================= */
/* COMPRAS / PRICING SECTION                     */
/* ============================================= */
.pricing-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 30px;
	align-items: stretch;
}

.pricing-card {
	background-color: var(--color-white);
	padding: 30px;
	border-radius: var(--border-radius);
	border: 1px solid #e8e8e8;
	text-align: center;
	transition: transform var(--transition-speed), box-shadow var(--transition-speed);
	display: flex;
	flex-direction: column;
}

.pricing-card:hover {
	transform: translateY(-8px);
	box-shadow: 0 10px 20px rgba(38, 70, 83, 0.08);
}

.pricing-card.popular {
	transform: scale(1.05);
	border: 2px solid var(--color-secondary);
}

.pricing-tag {
	display: inline-block;
	background-color: var(--color-highlight-light);
	color: var(--color-primary);
	padding: 5px 15px;
	border-radius: 20px;
	font-size: 0.8rem;
	font-weight: 700;
	margin-bottom: 15px;
}

.pricing-card.popular .pricing-tag {
	background-color: var(--color-secondary);
	color: var(--color-white);
}

.price {
	font-size: 2.5rem;
	font-weight: 700;
	color: var(--color-primary);
	margin-bottom: 10px;
}

.price span {
	font-size: 1rem;
	font-weight: 400;
	color: #777;
}

.pricing-card ul {
	margin: 20px 0;
	text-align: left;
	display: inline-block;
	flex-grow: 1;
}

.pricing-card li {
	margin-bottom: 10px;
	color: #555;
	display: flex;
	align-items: center;
	gap: 8px;
}
.pricing-card li svg {
	color: var(--color-secondary);
	flex-shrink: 0;
}

/* ============================================= */
/* TESTIMONIALS SECTION                          */
/* ============================================= */
.testimonial-carousel {
	max-width: 700px;
	margin: 0 auto;
	position: relative;
	text-align: center;
}

.testimonial-slides {
	position: relative;
	overflow: hidden;
	min-height: 150px;
	margin-bottom: 70px;
}

.testimonial-slide {
	position: absolute;
	width: 100%;
	left: 0;
	top: 0;
	opacity: 0;
	transition: opacity 0.6s ease-in-out;
	visibility: hidden;
}

.testimonial-slide.active {
	opacity: 1;
	position: relative;
	visibility: visible;
}

.testimonial-slide p {
	font-size: 1.2rem;
	font-style: italic;
	color: #555;
}

.testimonial-footer {
	margin-top: 12px;
}

.testimonial-author-rating {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
}

.testimonial-author-rating cite {
	font-weight: 700;
	color: var(--color-primary);
	margin: 0;
	font-style: normal;
}

.stars {
	font-size: 1.05rem;
	color: #f5c518; /* dorado estilo IMDb */
}

.carousel-dots {
	display: flex;
	justify-content: center;
	gap: 10px;
}

.carousel-dots .dot {
	width: 12px;
	height: 12px;
	border-radius: 50%;
	background-color: #ccc;
	border: none;
	cursor: pointer;
	transition: background-color var(--transition-speed), transform var(--transition-speed);
}

.carousel-dots .dot:hover {
	background-color: var(--color-highlight-light);
}

.carousel-dots .dot.active {
	background-color: var(--color-highlight);
	transform: scale(1.2);
}

/* ============================================= */
/* CONTACT SECTION                               */
/* ============================================= */
.contact-form {
	max-width: 500px;
	margin: 0 auto;
	background-color: var(--color-white);
	padding: 30px;
	border-radius: var(--border-radius);
	box-shadow: 0 5px 25px rgba(0, 0, 0, 0.05);
}

.contact-intro {
	text-align: center;
	max-width: 500px;
	margin: 0 auto 25px;
	color: var(--color-primary);
}

.form-group {
	margin-bottom: 5px;
}

.form-group label {
	display: block;
	margin-bottom: 5px;
	font-weight: 500;
}

.form-group input,
.form-group textarea {
	width: 100%;
	padding: 12px;
	border-radius: var(--border-radius);
	border: 1px solid #ddd;
	font-family: var(--font-family-main);
	font-size: 1rem;
	background-color: var(--color-background-light);
	transition: border-color var(--transition-speed), box-shadow var(--transition-speed);
	resize: none;
}

.form-group input:focus,
.form-group textarea:focus {
	outline: none;
	border-color: var(--color-secondary);
	box-shadow: 0 0 0 3px rgba(42, 157, 143, 0.15);
}

.form-group input.invalid,
.form-group textarea.invalid {
	border-color: #e74c3c;
}

.error-message {
	color: #e74c3c;
	font-size: 0.9rem;
	margin-top: 5px;
	min-height: 0em;
}

.success-message {
	text-align: center;
	color: #27ae60;
	font-weight: 500;
	margin-top: 15px;
}

/* ============================================= */
/* FOOTER                                        */
/* ============================================= */
.main-footer {
	background-color: var(--color-primary);
	color: #eaf4f3;
	padding: 40px 0;
	text-align: center;
}

.footer-content {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 20px;
}

.social-icons {
	display: flex;
	gap: 20px;
}

.social-icons a {
	font-size: 1.5rem;
	color: #eaf4f3;
	transition: transform 0.3s;
	transform-origin: center center;
}

.social-icons a:hover {
	transform: scale(1.3);
}

.contact-links {
	display: flex;
	gap: 40px;
	justify-content: center;
	align-items: center;
}

.contact-links a {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	font-size: 1rem;
	color: #eaf4f3;
	text-decoration: none;
}

.contact-links a i {
	font-size: 1rem;
	transition: transform 0.3s;
}

.contact-links a:hover i {
	transform: scale(1.3);
}

.legal-text {
	font-size: 0.9rem;
	margin: 0;
	color: #eaf4f3;
}

.legal-text a {
	color: var(--color-background-dark);
	text-decoration: underline;
}

/* ============================================= */
/* FADE-IN ANIMATION ON SCROLL                   */
/* ============================================= */
.fade-in {
	opacity: 0;
	transform: translateY(20px);
	transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

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

@media (max-width: 768px) {
	.pricing-grid {
		grid-template-columns: 1fr;
	}
	.pricing-card {
		max-width: 450px;
		margin: 0 auto;
	}
	.pricing-card.popular {
		transform: scale(1);
	}
}

@media (max-width: 768px) {
	h1 {
		font-size: 2.2rem;
	}
	h2 {
		font-size: 1.8rem;
	}

	.main-nav {
		position: fixed;
		top: 70px;
		right: 0;
		width: 100%;
		height: calc(100vh - 70px);
		background-color: var(--color-background-light);
		flex-direction: column;
		justify-content: center;
		align-items: center;
		transform: translateX(100%);
		transition: transform 0.4s ease-in-out;
		display: block;
	}

	.main-nav.is-active {
		transform: translateX(0);
	}

	.nav-links {
		flex-direction: column;
		gap: 30px;
		text-align: center;
	}

	.nav-links a {
		font-size: 1.5rem;
	}

	.hamburger-menu {
		display: block;
	}

	.hamburger-menu.is-active span:nth-child(1) {
		transform: translateY(8px) rotate(45deg);
	}
	.hamburger-menu.is-active span:nth-child(2) {
		opacity: 0;
	}
	.hamburger-menu.is-active span:nth-child(3) {
		transform: translateY(-8px) rotate(-45deg);
	}

	.courses-grid,
	.pricing-grid {
		grid-template-columns: 1fr;
	}

	/* Stack contact links vertically on mobile */
	.contact-links {
		flex-direction: column;
		gap: 15px;
		width: 100%;
	}
}