/*
Theme Name: Platforma Szkoleniowa
Theme URI: https://example.com/platforma-szkoleniowa
Author: Dawid
Author URI: https://example.com
Description: Nowoczesna platforma szkoleniowa z systemem modułów kursowych i ochroną hasłem. Jasny motyw w kolorach biały, granat i czerwony.
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: platforma-szkoleniowa
Tags: education, courses, custom-post-types, responsive
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 7.4
*/

/* ===========================
   CSS VARIABLES / DESIGN SYSTEM
   =========================== */
:root {
    /* Colors - Preset A 'Digital Blueprint' */
    --color-white: #ffffff;
    --color-bg: #F8FAFC;
    /* Ice White */
    --color-bg-alt: #f1f5f9;
    --color-navy: #050D24;
    /* Deep Space - Primary/Dark */
    --color-navy-light: #0F172A;
    /* Ink */
    --color-navy-dark: #020617;
    --color-blue: #2563EB;
    /* Electric Blue - Accent/CTA */
    --color-blue-hover: #1d4ed8;
    --color-blue-light: #60a5fa;
    --color-red: #ef4444;
    /* Alert/Accent color */
    --color-text: #0F172A;
    /* Ink typography */
    --color-text-muted: #64748b;
    --color-border: #e2e8f0;
    --color-shadow: rgba(37, 99, 235, 0.1);
    --color-shadow-hover: rgba(37, 99, 235, 0.2);

    /* Typography */
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-accent: 'IBM Plex Sans', monospace;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;

    /* Border Radius - Premium Rounded 2rem-3rem system */
    --radius-sm: 16px;
    --radius-md: 24px;
    --radius-lg: 32px;
    /* 2rem */
    --radius-xl: 48px;
    /* 3rem */

    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

    /* Shadows */
    --shadow-sm: 0 1px 3px var(--color-shadow);
    --shadow-md: 0 4px 12px var(--color-shadow);
    --shadow-lg: 0 8px 30px var(--color-shadow);
    --shadow-hover: 0 12px 40px var(--color-shadow-hover);

    /* Layout */
    --container-max: 1200px;
    --header-height: 70px;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

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

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

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-navy);
}

/* ===========================
   PASSWORD GATE
   =========================== */
.password-gate {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-light) 50%, var(--color-navy) 100%);
    padding: var(--space-xl);
    position: relative;
    overflow: hidden;
}

.password-gate::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 70%, rgba(37, 99, 235, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 70% 30%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
    animation: gate-bg-float 15s ease-in-out infinite;
}

@keyframes gate-bg-float {

    0%,
    100% {
        transform: translate(0, 0);
    }

    50% {
        transform: translate(-20px, -20px);
    }
}

.password-gate__card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--space-3xl);
    width: 100%;
    max-width: 440px;
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.25);
    text-align: center;
    position: relative;
    z-index: 1;
    animation: gate-card-in 0.6s var(--transition-base) both;
}

@keyframes gate-card-in {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.96);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.password-gate__icon {
    width: 72px;
    height: 72px;
    margin: 0 auto var(--space-lg);
    background: linear-gradient(135deg, var(--color-navy), var(--color-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: gate-icon-pulse 2s ease-in-out infinite;
}

@keyframes gate-icon-pulse {

    0%,
    100% {
        box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.3);
    }

    50% {
        box-shadow: 0 0 0 12px rgba(37, 99, 235, 0);
    }
}

.password-gate__icon svg {
    width: 32px;
    height: 32px;
    fill: var(--color-white);
}

.password-gate__logo-wrap {
    margin-bottom: var(--space-lg);
    display: flex;
    justify-content: center;
}

.password-gate__logo {
    height: 48px;
    width: auto;
}

.password-gate__title {
    display: none;
}

.password-gate__subtitle {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    margin-bottom: var(--space-xl);
}

.password-gate__form {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.password-gate__input-wrap {
    position: relative;
}

.password-gate__input {
    width: 100%;
    padding: 14px 20px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-text);
    background: var(--color-bg);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    outline: none;
}

.password-gate__input:focus {
    border-color: var(--color-navy);
    box-shadow: 0 0 0 4px rgba(10, 31, 68, 0.1);
}

.password-gate__input::placeholder {
    color: var(--color-text-muted);
}

.password-gate__btn {
    padding: 14px 24px;
    background: linear-gradient(135deg, var(--color-blue), var(--color-blue-hover));
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    letter-spacing: 0.02em;
}

.password-gate__btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.3);
}

.password-gate__btn:active {
    transform: translateY(0);
}

.password-gate__error {
    color: var(--color-red);
    font-size: 0.875rem;
    font-weight: 500;
    padding: var(--space-sm) var(--space-md);
    background: rgba(212, 43, 43, 0.08);
    border-radius: var(--radius-sm);
    animation: gate-error-shake 0.4s ease-in-out;
}

@keyframes gate-error-shake {

    0%,
    100% {
        transform: translateX(0);
    }

    25% {
        transform: translateX(-8px);
    }

    75% {
        transform: translateX(8px);
    }
}

/* ===========================
   HEADER - Floating Island
   =========================== */
.site-header {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    height: var(--header-height);
    border: 1px solid rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 20px;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
    border-radius: var(--radius-xl);
    max-width: var(--container-max);
    margin: 20px auto;
    transition: all var(--transition-base);
}

.site-header__inner {
    padding: 0 var(--space-xl);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Header Actions Wrapper */
.site-header__actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

/* User Actions & Login Link */
.user-actions {
    display: flex;
    align-items: center;
}

.login-link {
    display: inline-flex;
    align-items: center;
    padding: 8px 16px;
    background: rgba(10, 31, 68, 0.05);
    color: var(--color-navy);
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.login-link:hover {
    background: var(--color-blue);
    color: var(--color-white);
}

/* User Profile Dropdown */
.user-dropdown {
    position: relative;
}

.user-dropdown__toggle {
    display: flex;
    align-items: center;
    gap: 10px;
    background: transparent;
    border: none;
    color: var(--color-navy);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    padding: 6px 12px;
    border-radius: 50px;
    transition: background var(--transition-fast);
}

.user-dropdown__toggle:hover,
.user-dropdown.is-open .user-dropdown__toggle {
    background: rgba(10, 31, 68, 0.05);
}

.user-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-alt);
}

.user-avatar img {
    width: 100%;
    height: auto;
}

.user-name {
    display: none;
}

@media (min-width: 768px) {
    .user-name {
        display: block;
    }
}

.user-dropdown__toggle-icon {
    font-size: 0.7rem;
    transition: transform var(--transition-fast);
}

.user-dropdown.is-open .user-dropdown__toggle-icon {
    transform: rotate(180deg);
}

.user-dropdown__menu {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    background: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border);
    list-style: none;
    padding: 8px 0;
    min-width: 180px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
    z-index: 100;
}

.user-dropdown.is-open .user-dropdown__menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* User Dropdown Desktop Hover */
@media (min-width: 769px) {
    .user-dropdown:hover .user-dropdown__menu {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
    
    .user-dropdown:hover .user-dropdown__toggle {
        background: rgba(10, 31, 68, 0.05);
    }

    .user-dropdown:hover .user-dropdown__toggle-icon {
        transform: rotate(180deg);
    }
}

.user-dropdown__menu li a {
    display: block;
    padding: 8px 16px;
    color: var(--color-text);
    font-size: 0.9rem;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.user-dropdown__menu li a:hover {
    background: var(--color-bg-alt);
    color: var(--color-navy);
}

.logout-link {
    color: #ef4444 !important;
    /* Keep red for logout/danger */
}

.logout-link:hover {
    background: rgba(239, 68, 68, 0.05) !important;
}

/* Dropdown - right side */
.course-dropdown {
    position: relative;
}

.course-dropdown__toggle {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 10px 18px;
    background: var(--color-bg);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-navy);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.course-dropdown__toggle:hover {
    background: var(--color-navy);
    color: var(--color-white);
    border-color: var(--color-navy);
}

.course-dropdown__toggle-icon {
    width: 20px;
    height: 20px;
    transition: transform var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.course-dropdown__toggle-icon svg {
    width: 16px;
    height: 16px;
    fill: currentColor;
}

.course-dropdown.is-open .course-dropdown__toggle-icon {
    transform: rotate(180deg);
}

.course-dropdown.is-open .course-dropdown__toggle {
    background: var(--color-navy);
    color: var(--color-white);
    border-color: var(--color-navy);
}

/* Desktop Hover behavior */
@media (min-width: 769px) {
    .course-dropdown:hover .course-dropdown__menu {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    .course-dropdown:hover .course-dropdown__toggle {
        background: var(--color-navy);
        color: var(--color-white);
        border-color: var(--color-navy);
    }

    .course-dropdown:hover .course-dropdown__toggle-icon {
        transform: rotate(180deg);
    }
}

.course-dropdown__menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    left: auto;
    min-width: 320px;
    max-height: calc(100vh - 120px);
    overflow-y: auto;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--space-sm);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
}

.course-dropdown.is-open .course-dropdown__menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.course-dropdown__item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
    color: var(--color-text);
}

.course-dropdown__item:hover {
    background: var(--color-bg);
}

.course-dropdown__item-number {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--color-navy);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 700;
    flex-shrink: 0;
}

.course-dropdown__item-title {
    font-weight: 500;
    font-size: 0.9rem;
}

.course-dropdown__item--active {
    background: var(--color-bg-alt);
}

.course-dropdown__item--active .course-dropdown__item-number {
    background: var(--color-blue);
}

/* Site logo / name - left side */
.site-header__brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.site-logo {
    display: block;
    height: 48px;
    /* Standard header height adjustment */
    width: auto;
    max-width: 100%;
    transition: transform var(--transition-fast);
}

.site-header__brand:hover .site-logo {
    transform: scale(1.02);
}

/* Mobile hamburger */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
}

.mobile-menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-navy);
    margin: 5px 0;
    transition: all var(--transition-fast);
    border-radius: 2px;
}

/* ===========================
   MAIN CONTENT
   =========================== */
.site-main {
    flex: 1;
}

/* Hero / Welcome Section */
.hero {
    background: var(--color-white);
    padding: var(--space-3xl) var(--space-xl);
    text-align: center;
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid var(--color-border);
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-navy), var(--color-blue), var(--color-navy));
}

.hero__inner {
    max-width: 700px;
    margin: 0 auto;
    animation: hero-fade-in 0.8s ease-out both;
}

@keyframes hero-fade-in {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 6px 16px;
    background: rgba(10, 31, 68, 0.06);
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-navy);
    margin-bottom: var(--space-lg);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.hero__badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-blue);
    animation: hero-dot-blink 2s ease-in-out infinite;
}

@keyframes hero-dot-blink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.3;
    }
}

.hero__title {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: var(--space-md);
    color: var(--color-navy);
}

.hero__title-accent {
    color: var(--color-blue);
}

.hero__description {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-2xl);
    max-width: 540px;
    margin-left: auto;
    margin-right: auto;
}

.hero__cta {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 16px 36px;
    background: linear-gradient(135deg, var(--color-blue), var(--color-blue-hover));
    color: var(--color-white);
    border-radius: var(--radius-md);
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.25);
}

.hero__cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(37, 99, 235, 0.35);
    color: var(--color-white);
}

.hero__cta:active {
    transform: translateY(-1px);
}

.hero__cta-arrow {
    transition: transform var(--transition-fast);
}

.hero__cta:hover .hero__cta-arrow {
    transform: translateX(4px);
}

/* ===========================
   MODULES GRID
   =========================== */
.modules-section {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: var(--space-3xl) var(--space-xl);
}

.modules-section__header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.modules-section__title {
    font-size: 1.75rem;
    margin-bottom: var(--space-sm);
}

.modules-section__subtitle {
    color: var(--color-text-muted);
    font-size: 1rem;
}

.modules-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--space-xl);
}

.module-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    overflow: hidden;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    animation: module-card-in 0.5s ease-out both;
    display: flex;
    flex-direction: column;
}

.module-card:nth-child(1) {
    animation-delay: 0.1s;
}

.module-card:nth-child(2) {
    animation-delay: 0.2s;
}

.module-card:nth-child(3) {
    animation-delay: 0.3s;
}

.module-card:nth-child(4) {
    animation-delay: 0.4s;
}

.module-card:nth-child(5) {
    animation-delay: 0.5s;
}

.module-card:nth-child(6) {
    animation-delay: 0.6s;
}

@keyframes module-card-in {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.module-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
}

.module-card__header {
    padding: var(--space-lg) var(--space-lg) 0;
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.module-card__number {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--color-navy), var(--color-navy-light));
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 800;
    flex-shrink: 0;
}

.module-card__meta {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-weight: 600;
}

.module-card__body {
    padding: var(--space-lg);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.module-card__title {
    font-size: 1.15rem;
    margin-bottom: var(--space-sm);
    color: var(--color-navy);
}

.module-card__excerpt {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
    flex: 1;
}

.module-card__footer {
    padding: 0 var(--space-lg) var(--space-lg);
}

.module-card__link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    color: var(--color-blue);
    font-weight: 600;
    font-size: 0.9rem;
    transition: gap var(--transition-fast);
}

.module-card__link:hover {
    gap: var(--space-sm);
    color: var(--color-blue-hover);
}

/* ===========================
   SINGLE MODULE VIEW
   =========================== */
.single-module {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: var(--space-2xl) var(--space-xl);
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: var(--space-2xl);
}

.single-module__sidebar {
    position: sticky;
    top: calc(var(--header-height) + var(--space-xl));
    height: fit-content;
}

.single-module__sidebar-title {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-text-muted);
    margin-bottom: var(--space-md);
    font-weight: 700;
}

.single-module__sidebar-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.single-module__sidebar-item a {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    color: var(--color-text);
    transition: all var(--transition-fast);
}

.single-module__sidebar-item a:hover {
    background: var(--color-bg-alt);
}

.single-module__sidebar-item.is-active a {
    background: var(--color-navy);
    color: var(--color-white);
    font-weight: 600;
}

.single-module__sidebar-num {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--color-bg-alt);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    flex-shrink: 0;
}

.single-module__sidebar-item.is-active .single-module__sidebar-num {
    background: rgba(255, 255, 255, 0.2);
    color: var(--color-white);
}

.single-module__content {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    padding: var(--space-2xl);
}

.single-module__badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 4px 12px;
    background: var(--color-bg-alt);
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-navy);
    margin-bottom: var(--space-md);
}

.single-module__title {
    font-size: 2rem;
    margin-bottom: var(--space-xl);
    color: var(--color-navy);
}

.lesson-video {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%;
    /* 16:9 Aspect Ratio */
    margin-bottom: var(--space-2xl);
    background-color: var(--color-bg-alt);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

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

.single-module__body {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--color-text);
}

.single-module__body h2 {
    font-size: 1.5rem;
    margin: var(--space-2xl) 0 var(--space-md);
}

.single-module__body h3 {
    font-size: 1.25rem;
    margin: var(--space-xl) 0 var(--space-md);
}

.single-module__body p {
    margin-bottom: var(--space-md);
}

.single-module__body ul,
.single-module__body ol {
    margin-bottom: var(--space-md);
    padding-left: var(--space-xl);
}

.single-module__body li {
    margin-bottom: var(--space-sm);
}

.single-module__body img {
    border-radius: var(--radius-md);
    margin: var(--space-lg) 0;
}

.single-module__body blockquote {
    border-left: 4px solid var(--color-blue);
    padding: var(--space-md) var(--space-lg);
    margin: var(--space-lg) 0;
    background: var(--color-bg);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-style: italic;
    color: var(--color-text-muted);
}

/* Module navigation */
.module-nav {
    display: flex;
    justify-content: space-between;
    gap: var(--space-md);
    margin-top: var(--space-3xl);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-border);
}

.module-nav__link {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: var(--space-md) var(--space-lg);
    background: var(--color-bg);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    transition: all var(--transition-fast);
    flex: 1;
    max-width: 280px;
}

.module-nav__link:hover {
    background: var(--color-navy);
    color: var(--color-white);
    border-color: var(--color-navy);
}

.module-nav__link:hover .module-nav__label {
    color: rgba(255, 255, 255, 0.7);
}

.module-nav__link--next {
    text-align: right;
    margin-left: auto;
}

.module-nav__label {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-weight: 600;
    transition: color var(--transition-fast);
}

.module-nav__title {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.95rem;
}

/* ===========================
   FOOTER
   =========================== */
.site-footer {
    background: var(--color-navy);
    color: rgba(255, 255, 255, 0.7);
    padding: var(--space-xl) var(--space-xl);
    text-align: center;
    font-size: 0.875rem;
    margin-top: auto;
}

.site-footer__inner {
    max-width: var(--container-max);
    margin: 0 auto;
}

.site-footer a {
    color: var(--color-white);
    font-weight: 600;
}

.site-footer a:hover {
    color: var(--color-blue-light);
}

/* ===========================
   EMPTY STATE
   =========================== */
.empty-state {
    text-align: center;
    padding: var(--space-3xl);
    color: var(--color-text-muted);
}

.empty-state__icon {
    font-size: 3rem;
    margin-bottom: var(--space-md);
    opacity: 0.5;
}

.empty-state__text {
    font-size: 1.1rem;
}

/* ===========================
   RESPONSIVE
   =========================== */
@media (max-width: 768px) {
    :root {
        --header-height: 60px;
    }

    .site-header__inner {
        padding: 0 var(--space-md);
    }

    .mobile-menu-toggle {
        display: block;
    }

    .course-dropdown {
        position: static;
    }

    .course-dropdown__toggle {
        display: none;
    }

    .course-dropdown__menu {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        bottom: 0;
        min-width: 100%;
        border-radius: 0;
        border: none;
        z-index: 999;
        overflow-y: auto;
        padding: var(--space-md);
    }

    .course-dropdown.is-open .course-dropdown__toggle {
        display: none;
    }

    .hero {
        padding: var(--space-2xl) var(--space-md);
    }

    .hero__title {
        font-size: 1.75rem;
    }

    .hero__description {
        font-size: 1rem;
    }

    .modules-section {
        padding: var(--space-2xl) var(--space-md);
    }

    .modules-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }

    .single-module {
        grid-template-columns: 1fr;
        padding: var(--space-lg) var(--space-md);
    }

    .single-module__sidebar {
        position: static;
        order: 2;
    }

    .single-module__content {
        padding: var(--space-lg);
    }

    .single-module__title {
        font-size: 1.5rem;
    }

    .module-nav {
        flex-direction: column;
    }

    .module-nav__link {
        max-width: 100%;
    }

    .module-nav__link--next {
        text-align: left;
    }
}

@media (max-width: 480px) {
    .hero__cta {
        width: 100%;
        justify-content: center;
    }

    .password-gate__card {
        padding: var(--space-2xl);
    }
}

/* ===========================
   DROPDOWN: LESSON SUB-ITEMS
   =========================== */
.course-dropdown__group {
    margin-bottom: 2px;
}

.course-dropdown__item--module {
    font-weight: 600;
}

.course-dropdown__lessons {
    padding-left: 44px;
    padding-bottom: var(--space-xs);
}

.course-dropdown__lesson {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    color: var(--color-text-muted);
    transition: all var(--transition-fast);
}

.course-dropdown__lesson:hover {
    background: var(--color-bg);
    color: var(--color-text);
}

.course-dropdown__lesson--active {
    background: var(--color-bg-alt);
    color: var(--color-blue);
    font-weight: 600;
}

.course-dropdown__lesson-num {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-text-muted);
    min-width: 28px;
}

.course-dropdown__lesson--active .course-dropdown__lesson-num {
    color: var(--color-blue);
}

.course-dropdown__lesson-title {
    font-size: 0.85rem;
}

/* ===========================
   LESSONS LIST (in single-modul)
   =========================== */
.lessons-list {
    margin-top: var(--space-2xl);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-border);
}

.lessons-list__title {
    font-size: 1.25rem;
    color: var(--color-navy);
    margin-bottom: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.lessons-list__icon {
    width: 22px;
    height: 22px;
    color: var(--color-blue);
    flex-shrink: 0;
}

.lessons-list__items {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.lesson-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    background: var(--color-bg);
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    transition: all var(--transition-fast);
    color: var(--color-text);
}

.lesson-item:hover {
    background: var(--color-white);
    border-color: var(--color-border);
    box-shadow: var(--shadow-md);
    transform: translateX(4px);
}

.lesson-item__number {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    background: var(--color-navy);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 800;
    flex-shrink: 0;
}

.lesson-item:hover .lesson-item__number {
    background: var(--color-blue);
}

.lesson-item__info {
    flex: 1;
    min-width: 0;
}

.lesson-item__title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-navy);
    margin-bottom: 2px;
}

.lesson-item__excerpt {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.lesson-item__arrow {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    transition: transform var(--transition-fast), color var(--transition-fast);
    flex-shrink: 0;
}

.lesson-item:hover .lesson-item__arrow {
    transform: translateX(4px);
    color: var(--color-blue);
}

/* ===========================
   LESSON BREADCRUMB
   =========================== */
.lesson-breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.85rem;
    margin-bottom: var(--space-lg);
    flex-wrap: wrap;
}

.lesson-breadcrumb__module {
    color: var(--color-navy);
    font-weight: 600;
    transition: color var(--transition-fast);
}

.lesson-breadcrumb__module:hover {
    color: var(--color-blue);
}

.lesson-breadcrumb__sep {
    color: var(--color-text-muted);
}

.lesson-breadcrumb__current {
    color: var(--color-text-muted);
}

/* ===========================
   SIDEBAR BACK LINK
   =========================== */
.sidebar-back-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-blue);
    margin-bottom: var(--space-md);
    transition: gap var(--transition-fast);
}

.sidebar-back-link:hover {
    gap: var(--space-sm);
    color: var(--color-blue-hover);
}

/* ===========================
   MODULE CARD LESSON COUNT
   =========================== */
.module-card__footer {
    padding: 0 var(--space-lg) var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.module-card__lesson-count {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    background: var(--color-bg);
    padding: 4px 10px;
    border-radius: 50px;
    font-weight: 600;
}

/* ===========================
   RESPONSIVE: LESSONS
   =========================== */
@media (max-width: 768px) {
    .lesson-item {
        padding: var(--space-sm) var(--space-md);
    }

    .lesson-item__number {
        width: 36px;
        height: 36px;
        font-size: 0.75rem;
    }

    .lesson-item__excerpt {
        display: none;
    }

    .lesson-breadcrumb {
        font-size: 0.8rem;
    }

    .course-dropdown__lessons {
        padding-left: 24px;
    }
}

/* ===========================
   NOISE OVERLAY
   =========================== */
.noise-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.05;
}

/* ===========================
   FOOTER (Deep Dark)
   =========================== */
.site-footer {
    background: var(--color-navy);
    color: var(--color-white);
    padding: var(--space-3xl) var(--space-xl);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    margin-top: var(--space-3xl);
    text-align: center;
}

.site-footer p {
    color: var(--color-text-muted);
}

/* ===========================
   SKOOL UI: TABS & NOTES
   =========================== */
.skool-tabs-container {
    margin-top: var(--space-xl);
}

.skool-tabs-nav {
    display: flex;
    gap: var(--space-md);
    border-bottom: 2px solid var(--color-border);
    margin-bottom: var(--space-lg);
}

.skool-tab-btn {
    background: none;
    border: none;
    padding: var(--space-sm) var(--space-sm) calc(var(--space-sm) + 2px);
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--color-text-muted);
    cursor: pointer;
    position: relative;
    top: 2px;
    transition: color var(--transition-fast);
}

.skool-tab-btn:hover {
    color: var(--color-navy);
}

.skool-tab-btn.active {
    color: var(--color-navy);
    border-bottom: 2px solid var(--color-blue);
}

.skool-tab-content {
    display: none;
    animation: fade-in var(--transition-base) ease;
}

.skool-tab-content.active {
    display: block;
}

@keyframes fade-in {
    from {
        opacity: 0;
        transform: translateY(4px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.skool-textarea {
    width: 100%;
    min-height: 200px;
    padding: var(--space-lg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-white);
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text);
    resize: vertical;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.skool-textarea:focus {
    outline: none;
    border-color: var(--color-blue);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.skool-save-status {
    display: block;
    margin-top: var(--space-sm);
    font-size: 0.85rem;
    color: var(--color-text-muted);
    font-style: italic;
    opacity: 0;
    transition: opacity var(--transition-base);
}

/* ===========================
   SKOOL UI: MATERIALS CARD
   =========================== */
.skool-materials-grid {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.skool-materials-card {
    display: flex;
    align-items: center;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    gap: var(--space-lg);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.skool-materials-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(10, 31, 68, 0.05);
}

.skool-materials-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    background: rgba(37, 99, 235, 0.1);
    color: var(--color-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.skool-materials-info {
    flex-grow: 1;
    min-width: 0;
}

.skool-materials-info h3 {
    font-size: 1.1rem;
    margin: 0 0 4px 0;
    color: var(--color-navy);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.skool-materials-info p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--color-text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.skool-btn--download {
    flex-shrink: 0;
}

@media (max-width: 640px) {
    .skool-materials-card {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
    }

    .skool-materials-icon {
        margin: 0 auto;
    }
}

/* ===========================
   SKOOL UI: PROFILE LAYOUT
   =========================== */
.skool-profile-layout {
    max-width: var(--container-max);
    margin: var(--space-3xl) auto;
    padding: 0 var(--space-xl);
}

.skool-profile-container {
    display: flex;
    gap: var(--space-2xl);
    align-items: flex-start;
}

.skool-profile-sidebar {
    width: 260px;
    flex-shrink: 0;
}

.skool-profile-heading {
    font-size: 1.5rem;
    margin-bottom: var(--space-lg);
    font-weight: 700;
}

.skool-profile-nav {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.skool-nav-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    color: var(--color-text-muted);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.skool-nav-item:hover {
    background: var(--color-bg-alt);
    color: var(--color-navy);
}

.skool-nav-item.active {
    background: var(--color-navy);
    color: var(--color-white);
}

.skool-profile-content {
    flex-grow: 1;
    min-width: 0;
}

.skool-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.skool-card-header {
    padding: var(--space-xl) var(--space-xl) var(--space-lg);
    border-bottom: 1px solid var(--color-border);
}

.skool-card-header h2 {
    font-size: 1.25rem;
    margin-bottom: var(--space-xs);
}

.skool-card-header p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

.skool-card-body {
    padding: var(--space-xl);
}

.skool-card-footer {
    padding: var(--space-lg) var(--space-xl);
    background: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: flex-end;
}

.skool-avatar-section {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.skool-avatar-preview {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    overflow: hidden;
    background: var(--color-bg-alt);
}

.skool-avatar-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.skool-avatar-info p {
    margin-bottom: 4px;
}

.skool-text-sm {
    font-size: 0.85rem;
    color: var(--color-text);
}

.skool-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.skool-form-group {
    margin-bottom: var(--space-lg);
}

.skool-form-group label {
    display: block;
    margin-bottom: var(--space-sm);
    font-weight: 600;
    color: var(--color-navy);
    font-size: 0.95rem;
}

.skool-input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-white);
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-text);
    transition: all var(--transition-fast);
}

.skool-input:focus {
    outline: none;
    border-color: var(--color-blue);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.skool-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 24px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
}

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

.skool-btn--primary:hover {
    background: var(--color-blue-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
}

.skool-alert {
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-lg);
    font-weight: 500;
}

.skool-alert--error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--color-red);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.skool-alert--success {
    background: rgba(34, 197, 94, 0.1);
    color: #15803d;
    border: 1px solid rgba(34, 197, 94, 0.2);
}

@media (max-width: 768px) {
    .skool-profile-container {
        flex-direction: column;
    }

    .skool-profile-sidebar {
        width: 100%;
    }

    .skool-profile-nav {
        flex-direction: row;
        overflow-x: auto;
        padding-bottom: 8px;
    }

    .skool-nav-item {
        white-space: nowrap;
    }

    .skool-form-grid {
        grid-template-columns: 1fr;
    }
}