/* Global Styles */

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

body {
    background: #0a0a0a;
    color: #f5f0e8;
    font-family: Georgia, serif;
}

html, body {
    height: 100%;
    margin: 0;
    padding: 0;
}

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

input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

input[type="number"] {
    -moz-appearance: textfield;
}

/* Navbar */
#site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.7);
}

#main-nav {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-family: Georgia, serif;
    font-size: 1.2rem;
    letter-spacing: 0.12rem;
    text-transform: uppercase;
    color: #f5f0e8;
    text-decoration: none;
}

.nav-logo span {
    color: #c8a96e;
}

#main-nav ul {
    list-style: none;
    display: flex;
    gap: 2rem;
    align-items: center;
    margin: 0;
    padding: 0;
}

#main-nav ul a {
    font-family: Georgia, serif;
    font-size: 0.78rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: rgba(245, 240, 232, 0.425);
    text-decoration: none;
    transition: color 0.2s;
    position: relative;
}

#main-nav ul a::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: #c8a96e;
    transition: width 0.25s;
}

#main-nav ul a:hover {
    color: #f5f0e8;
}

#main-nav ul a:hover::after {
    width: 100%;
}

#main-nav ul li:last-child a {
    color: #0a0a0a;
    background: #c8a96e;
    padding: 0.45rem 1.1rem;
    border-radius: 2px;
    transition: background 0.2s;
}

#main-nav ul li:last-child a::after {
    display: none;
}

#main-nav ul li:last-child a:hover {
    background: #b8946a;
    color: #0a0a0a;
}

/* Hero Section */
#hero {
    position: relative;
    height: calc(100vh - 60px);
    display: flex;
    align-items: flex-end;
    background-image: url('/public/assets/bg-1.jpg');
    background-size: cover;
    background-position: center;
    overflow: hidden;
}

#hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        rgba(10, 10, 10, 0.6) 0%,
        rgba(10, 10, 10, 0.5) 40%,
        rgba(10, 10, 10, 0.75) 70%,
        rgba(10, 10, 10, 0.97) 100%
    );
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem 10rem;
    width: 100%;
}

.hero-eyebrow {
    display: inline-block;
    font-size: 0.72rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: #c8a96e;
    margin-bottom: 1.2rem;
    border-left: 2px solid #c8a96e;
    padding-left: 0.75rem;
}

#hero h1 {
    font-size: clamp(2.8rem, 6vw, 5.5rem);
    font-weight: normal;
    line-height: 1.05;
    color: #f5f0e8;
    letter-spacing: -0.01em;
    max-width: 14ch;
    margin-bottom: 1.5rem;
}

#hero h1 em {
    font-style: italic;
    color: #c8a96e;
}

#hero p {
    font-size: 1rem;
    line-height: 1.7;
    color: rgba(245, 240, 232, 0.55);
    max-width: 42ch;
    margin-bottom: 2.5rem;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.cta-button {
    font-size: 0.8rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #0a0a0a;
    background: #c8a96e;
    padding: 0.85rem 2rem;
    border-radius: 2px;
    text-decoration: none;
    transition: background 0.2s;
}

.cta-button:hover {
    background: #b8946a;
}

.hero-secondary {
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(245, 240, 232, 0.4);
    text-decoration: none;
    border-bottom: 1px solid rgba(245, 240, 232, 0.2);
    padding-bottom: 1px;
    transition: color 0.2s, border-color 0.2s;
}

.hero-secondary:hover {
    color: #f5f0e8;
    border-color: rgba(245, 240, 232, 0.5);
}

.hero-stats {
    position: absolute;
    bottom: 6rem;
    right: 2rem;
    z-index: 2;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    text-align: right;
}

.stat-number {
    display: block;
    font-size: 1.6rem;
    color: #f5f0e8;
    line-height: 1;
}

.stat-label {
    display: block;
    font-size: 0.65rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(245, 240, 232, 0.35);
    margin-top: 0.2rem;
}

.hero-scroll {
    position: absolute;
    bottom: 2.5rem;
    left: 50%;
    transform: translateX(-50%);
    right: auto;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: rgba(245, 240, 232, 0.25);
    font-size: 0.65rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, rgba(245, 240, 232, 0.25), transparent);
    animation: scrollpulse 2s ease-in-out infinite;
}

@keyframes scrollpulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.8; }
}

/* Benefits Section */

#beneficios {
    max-width: 1100px;
    margin: 0 auto;
    padding: 6rem 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2px;
}

#beneficios .card {
    background: #111;
    padding: 3rem;
    border: 1px solid rgba(255, 255, 255, 0.06);
    transition: border-color 0.3s;
}

#beneficios .card:first-child {
    border-right: none;
}

#beneficios .card:hover {
    border-color: rgba(200, 169, 110, 0.25);
}

.card-eyebrow {
    display: inline-block;
    font-size: 0.68rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: #c8a96e;
    margin-bottom: 1.5rem;
}

#beneficios h2 {
    font-size: 1.6rem;
    font-weight: normal;
    line-height: 1.2;
    color: #f5f0e8;
    margin-bottom: 1.25rem;
    letter-spacing: -0.01em;
}

#beneficios p {
    font-size: 0.95rem;
    line-height: 1.8;
    color: rgba(245, 240, 232, 0.5);
}

#beneficios ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 0.25rem;
}

#beneficios ul li {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    font-size: 0.92rem;
    line-height: 1.5;
    color: rgba(245, 240, 232, 0.6);
}

#beneficios ul li::before {
    content: '';
    display: block;
    width: 16px;
    min-width: 16px;
    height: 1px;
    background: #c8a96e;
    margin-top: 0.75em;
}

@media (max-width: 768px) {
    #beneficios {
        grid-template-columns: 1fr;
    }

    #beneficios .card:first-child {
        border-right: 1px solid rgba(255, 255, 255, 0.06);
        border-bottom: none;
    }
}

/* Plans section */

#planes {
    max-width: 1100px;
    margin: 0 auto;
    padding: 6rem 2rem;
}

.section-header {
    margin-bottom: 3rem;
}

.section-eyebrow {
    display: inline-block;
    font-size: 0.68rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: #c8a96e;
    margin-bottom: 1rem;
}

#planes h2 {
    font-size: 2.2rem;
    font-weight: normal;
    color: #f5f0e8;
    letter-spacing: -0.01em;
}

#planes table {
    width: 100%;
    border-collapse: collapse;
}

#planes thead tr {
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

#planes thead th {
    padding: 1.25rem 1.5rem;
    font-size: 0.72rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    font-weight: normal;
    color: rgba(245, 240, 232, 0.35);
    text-align: left;
}

#planes thead th.col-premium {
    color: #c8a96e;
    border-top: 1px solid rgba(200, 169, 110, 0.12);
}

#planes tbody tr {
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    transition: background 0.2s;
}

#planes tbody tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

#planes tbody td {
    padding: 1.1rem 1.5rem;
    font-size: 0.9rem;
}

#planes tbody td:first-child {
    color: rgba(245, 240, 232, 0.4);
    font-size: 0.82rem;
    letter-spacing: 0.04em;
}

#planes tbody td:not(:first-child) {
    color: #f5f0e8;
    font-size: 0.95rem;
}

.col-premium {
    background: rgba(200, 169, 110, 0.04);
    border-left: 1px solid rgba(200, 169, 110, 0.12);
    border-right: 1px solid rgba(200, 169, 110, 0.12);
}

.check { color: #c8a96e; }
.dash  { color: rgba(245, 240, 232, 0.15); }

/* Subscription Form */

#formulario {
    max-width: 1100px;
    margin: 0 auto;
    padding: 6rem 2rem;
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 6rem;
    align-items: start;
}

.formulario-header {
    position: sticky;
    top: 80px;
}

.formulario-header .section-eyebrow {
    display: inline-block;
    font-size: 0.68rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: #c8a96e;
    margin-bottom: 1rem;
}

.formulario-header h2 {
    font-size: 2.2rem;
    font-weight: normal;
    line-height: 1.15;
    color: #f5f0e8;
    letter-spacing: -0.01em;
    margin-bottom: 1.25rem;
}

.formulario-header p {
    font-size: 0.9rem;
    line-height: 1.8;
    color: rgba(245, 240, 232, 0.4);
}

form {
    display: flex;
    flex-direction: column;
    gap: 0;
}

fieldset {
    border: none;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding: 2rem 0;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

legend {
    font-size: 0.68rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: rgba(245, 240, 232, 0.25);
    margin-bottom: 1.25rem;
    padding: 0;
    float: left;
    width: 100%;
}

.field-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.field-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

label {
    font-size: 0.72rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: rgba(245, 240, 232, 0.35);
}

input[type="text"],
input[type="email"],
input[type="number"],
textarea,
select {
    background: rgba(255, 255, 255, 0.04);
    border: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
    color: #f5f0e8;
    font-family: Georgia, serif;
    font-size: 0.95rem;
    padding: 0.6rem 0.75rem;
    outline: none;
    transition: border-color 0.2s, background 0.2s;
    width: 100%;
}

input[type="text"]:focus,
input[type="email"]:focus,
textarea:focus,
select:focus {
    border-bottom-color: #c8a96e;
    background: rgba(255, 255, 255, 0.07);
}

input::placeholder {
    color: rgba(245, 240, 232, 0.2);
    font-family: Georgia, serif;
}

select {
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='rgba(245,240,232,0.3)' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    padding-right: 2.5rem;
}

select option {
    background: #111;
    color: #f5f0e8;
}

textarea {
    resize: vertical;
    min-height: 100px;
    line-height: 1.6;
}

.radio-group {
    display: flex;
    gap: 2rem;
    padding: 0.5rem 0;
}

.radio-group label {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    flex-wrap: wrap;
    font-size: 0.88rem;
    letter-spacing: 0.03em;
    text-transform: none;
    color: rgba(245, 240, 232, 0.6);
    cursor: pointer;
}

.radio-group input[type="radio"] {
    appearance: none;
    -webkit-appearance: none;
    width: 16px;
    min-width: 16px;
    height: 16px;
    border: 1px solid rgba(245, 240, 232, 0.25);
    border-radius: 50%;
    cursor: pointer;
    position: relative;
    transition: border-color 0.2s;
}

.radio-group input[type="radio"]:checked {
    border-color: #c8a96e;
}

.radio-group input[type="radio"]::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #c8a96e;
    transition: transform 0.15s ease;
}

.radio-group input[type="radio"]:checked::after {
    transform: translate(-50%, -50%) scale(1);
}

.checkbox-group {
    flex-direction: row;
    align-items: center;
    gap: 0.75rem;
}

.checkbox-group input[type="checkbox"] {
    appearance: none;
    -webkit-appearance: none;
    width: 15px;
    min-width: 15px;
    height: 15px;
    border: 1px solid rgba(245, 240, 232, 0.25);
    border-radius: 2px;
    cursor: pointer;
    position: relative;
    transition: border-color 0.2s, background 0.2s;
}

.checkbox-group input[type="checkbox"]:checked {
    background: #c8a96e;
    border-color: #c8a96e;
}

.checkbox-group input[type="checkbox"]::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 5px;
    width: 4px;
    height: 7px;
    border: 1px solid #0a0a0a;
    border-top: none;
    border-left: none;
    transform: rotate(45deg) scale(0);
    transition: transform 0.15s ease;
}

.checkbox-group input[type="checkbox"]:checked::after {
    transform: rotate(45deg) scale(1);
}

.checkbox-group label {
    font-size: 0.85rem;
    letter-spacing: 0.02em;
    text-transform: none;
    color: rgba(245, 240, 232, 0.5);
    cursor: pointer;
}

.student-badge {
    font-size: 0.7rem;
    letter-spacing: 0.05em;
    color: #c8a96e;
    border: 1px solid rgba(200, 169, 110, 0.3);
    padding: 0.1rem 0.4rem;
    border-radius: 2px;
    margin-left: 0.4rem;
    vertical-align: middle;
}

.form-submit {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.input-icon-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon {
    position: absolute;
    left: 0.75rem;
    color: rgba(245, 240, 232, 0.25);
    pointer-events: none;
    transition: color 0.2s;
}

.input-icon-wrapper input {
    padding-left: 2.5rem;
}

.input-icon-wrapper:focus-within .input-icon {
    color: #c8a96e;
}

@media (max-width: 768px) {
    #formulario {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .formulario-header {
        position: static;
    }
}

.price-original {
    text-decoration: line-through;
    color: rgba(245, 240, 232, 0.25);
    font-size: 0.85rem;
}

.price-discount {
    color: #c8a96e;
    font-size: 0.72rem;
    letter-spacing: 0.1em;
    border: 1px solid rgba(200, 169, 110, 0.3);
    padding: 0.1rem 0.4rem;
    border-radius: 2px;
    white-space: nowrap;
}

.price-new {
    color: #f5f0e8;
    font-size: 0.95rem;
}

.char-counter {
    font-size: 0.68rem;
    letter-spacing: 0.08em;
    color: rgba(245, 240, 232, 0.2);
    text-align: right;
    transition: color 0.2s;
}

.char-counter.near-limit {
    color: #c8a96e;
}

.char-counter.at-limit {
    color: rgba(220, 80, 80, 0.7);
}

.field-group.error input,
.field-group.error textarea,
.field-group.error select {
    border-bottom-color: rgba(220, 80, 80, 0.6);
    background: rgba(220, 80, 80, 0.04);
}

.field-group.success input,
.field-group.success textarea,
.field-group.success select {
    border-bottom-color: rgba(100, 200, 130, 0.5);
    background: rgba(100, 200, 130, 0.03);
}

.field-error-msg {
    font-size: 0.68rem;
    letter-spacing: 0.05em;
    color: rgba(220, 80, 80, 0.7);
    margin-top: 0.25rem;
    display: none;
}

.field-group.error .field-error-msg {
    display: block;
}

.plan-preview {
    margin-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding-top: 1.5rem;
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 0.3s ease, transform 0.3s ease;
    pointer-events: none;
}

.plan-preview.visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.plan-preview-label {
    display: block;
    font-size: 0.65rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: rgba(245, 240, 232, 0.25);
    margin-bottom: 0.5rem;
}

.plan-preview-name {
    display: block;
    font-size: 1.3rem;
    font-weight: normal;
    color: #f5f0e8;
    margin-bottom: 0.25rem;
}

.plan-preview-price {
    display: block;
    font-size: 0.85rem;
    color: #c8a96e;
    margin-bottom: 1.25rem;
    letter-spacing: 0.05em;
}

.plan-preview-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.plan-preview-features li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.8rem;
    color: rgba(245, 240, 232, 0.45);
    line-height: 1.4;
}

.plan-preview-features li::before {
    content: '';
    display: block;
    width: 12px;
    min-width: 12px;
    height: 1px;
    background: #c8a96e;
    margin-top: 0.65em;
}

.card-brand {
    position: absolute;
    right: 0.75rem;
    font-size: 0.65rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: #c8a96e;
    opacity: 0;
    transition: opacity 0.2s;
    pointer-events: none;
}

.card-brand.visible {
    opacity: 1;
}

/* Loading State */
.spinner {
    width: 18px;
    height: 18px;
    border: 2px solid rgba(10, 10, 10, 0.3);
    border-top-color: #0a0a0a;
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
    display: inline-block;
    vertical-align: middle;
    margin-right: 0.5rem;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.cta-button.loading {
    opacity: 0.8;
    cursor: not-allowed;
    pointer-events: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

/* Confirmación */
#form-confirmation {
    display: none;
    flex-direction: column;
    gap: 1.5rem;
    padding: 3rem 0;
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

#form-confirmation.visible {
    opacity: 1;
    transform: translateY(0);
}

.confirmation-icon {
    width: 48px;
    height: 48px;
    border: 1px solid rgba(200, 169, 110, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.confirmation-icon svg {
    color: #c8a96e;
}

.confirmation-title {
    font-size: 1.8rem;
    font-weight: normal;
    color: #f5f0e8;
    letter-spacing: -0.01em;
    line-height: 1.2;
}

.confirmation-text {
    font-size: 0.9rem;
    line-height: 1.8;
    color: rgba(245, 240, 232, 0.4);
    max-width: 38ch;
}

.confirmation-detail {
    font-size: 0.72rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: rgba(245, 240, 232, 0.2);
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding-top: 1.5rem;
}

.confirmation-detail span {
    color: #c8a96e;
}


/* Footer */

#site-footer {
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    margin-top: 6rem;
}

.footer-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 2.5rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.footer-logo {
    font-size: 1rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(245, 240, 232, 0.3);
    text-decoration: none;
    transition: color 0.2s;
}

.footer-logo span {
    color: rgba(200, 169, 110, 0.4);
    transition: color 0.2s;
}

.footer-logo:hover { color: rgba(245, 240, 232, 0.6); }
.footer-logo:hover span { color: #c8a96e; }

.footer-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.footer-links a {
    font-size: 0.72rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: rgba(245, 240, 232, 0.2);
    text-decoration: none;
    transition: color 0.2s;
}

.footer-links a:hover { color: rgba(245, 240, 232, 0.6); }

.footer-copy {
    font-size: 0.72rem;
    letter-spacing: 0.05em;
    color: rgba(245, 240, 232, 0.15);
}

@media (max-width: 768px) {
    .footer-inner {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }

    .footer-links {
        gap: 1.25rem;
    }
}

#progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 2px;
    background: #c8a96e;
    z-index: 9999;
    transition: width 0.1s linear;
}