/* IMPORTS */
@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Serif:ital,wght@0,300;0,400;0,500;0,600;0,700;1,300;1,400;1,500;1,600&family=Noto+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;1,300;1,400;1,500;1,600&display=swap');

/* VARIABLES */
:root {
    /* Colors */
    --color-background: #F3F4F6;
    --color-primary: #7DD3FC;
    --color-secondary: #93C5FD;
    --color-dark: #1E293B;
    --color-light: #F8FAFC;
    --color-gray-100: #F1F5F9;
    --color-gray-200: #E2E8F0;
    --color-gray-300: #CBD5E1;
    --color-gray-400: #94A3B8;
    --color-gray-500: #64748B;
    --color-gray-600: #475569;
    --color-gray-700: #334155;
    --color-gray-800: #1E293B;
    --color-gray-900: #0F172A;
    --color-success: #10B981;
    --color-error: #EF4444;
    
    /* Typography */
    --font-primary: 'Noto Sans', sans-serif;
    --font-secondary: 'IBM Plex Serif', serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;
    
    /* Borders */
    --border-radius-sm: 0.25rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 1rem;
    --border-radius-xl: 1.5rem;
    --border-radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-normal: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
    
    /* Breakpoints */
    --breakpoint-sm: 640px;
    --breakpoint-md: 768px;
    --breakpoint-lg: 1024px;
    --breakpoint-xl: 1280px;
    --breakpoint-2xl: 1536px;
}

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

html {
    font-size: 100%;
    scroll-behavior: smooth;
}

body {
    background-color: var(--color-background);
    color: var(--color-dark);
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    line-height: 1.5;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

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

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

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

ul, ol {
    list-style: none;
}

button, input, select, textarea {
    background: none;
    border: none;
    color: inherit;
    font: inherit;
    outline: none;
}

button {
    cursor: pointer;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

p {
    margin-bottom: var(--spacing-lg);
}

/* ACCESSIBILITY */
.sr-only {
    border: 0;
    clip: rect(0, 0, 0, 0);
    height: 1px;
    margin: -1px;
    overflow: hidden;
    padding: 0;
    position: absolute;
    white-space: nowrap;
    width: 1px;
}

.skip-link {
    background-color: var(--color-dark);
    color: var(--color-light);
    left: 0;
    padding: var(--spacing-md);
    position: absolute;
    top: -100px;
    transition: top var(--transition-fast);
    z-index: 100;
}

.skip-link:focus {
    top: 0;
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* LAYOUT */
.container {
    margin: 0 auto;
    max-width: 1200px;
    padding: 0 var(--spacing-lg);
    width: 100%;
}

.section {
    padding: var(--spacing-3xl) 0;
    position: relative;
}

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

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

.section__title {
    font-family: var(--font-secondary);
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-sm);
    text-align: center;
}

.section__subtitle {
    color: var(--color-gray-500);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-2xl);
    text-align: center;
}

.section--dark .section__subtitle {
    color: var(--color-gray-300);
}

.section__image {
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    margin: var(--spacing-2xl) auto;
    max-width: 90%;
}

.section__image--right {
    margin-left: auto;
    margin-right: 0;
}

@media (min-width: 768px) {
    .section {
        padding: var(--spacing-4xl) 0;
    }
    
    .section__title {
        font-size: var(--font-size-4xl);
    }
    
    .section__image {
        max-width: 80%;
    }
}

/* HEADER & NAVIGATION */
.header {
    background-color: var(--color-light);
    box-shadow: var(--shadow-sm);
    left: 0;
    padding: var(--spacing-md) 0;
    position: fixed;
    top: 0;
    transition: transform var(--transition-normal);
    width: 100%;
    z-index: 50;
}

.header.hidden {
    transform: translateY(-100%);
}

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

.header__logo {
    height: 40px;
    width: auto;
}

.nav__toggle {
    background: none;
    border: none;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    height: 24px;
    justify-content: space-between;
    padding: 0;
    width: 24px;
    z-index: 20;
}

.nav__toggle-line {
    background-color: var(--color-dark);
    height: 2px;
    transition: var(--transition-fast);
    width: 100%;
}

.nav__toggle[aria-expanded="true"] .nav__toggle-line:nth-child(1) {
    transform: translateY(11px) rotate(45deg);
}

.nav__toggle[aria-expanded="true"] .nav__toggle-line:nth-child(2) {
    opacity: 0;
}

.nav__toggle[aria-expanded="true"] .nav__toggle-line:nth-child(3) {
    transform: translateY(-11px) rotate(-45deg);
}

.nav__menu {
    background-color: var(--color-light);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    height: 100vh;
    left: 0;
    opacity: 0;
    padding: var(--spacing-4xl) var(--spacing-lg);
    position: fixed;
    top: 60px;
    transform: translateX(-100%);
    transition: transform var(--transition-normal), opacity var(--transition-normal);
    width: 100%;
    z-index: 10;
}

.nav__toggle[aria-expanded="true"] + .nav__menu {
    opacity: 1;
    transform: translateX(0);
}

.nav__link {
    display: block;
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-medium);
    padding: var(--spacing-sm) 0;
    transition: color var(--transition-fast);
}

.nav__link:hover, .nav__link:focus {
    color: var(--color-primary);
}

.nav__link--cta {
    background-color: var(--color-primary);
    border-radius: var(--border-radius-md);
    color: var(--color-dark);
    padding: var(--spacing-sm) var(--spacing-lg);
    text-align: center;
}

.nav__link--cta:hover, .nav__link--cta:focus {
    background-color: var(--color-secondary);
    color: var(--color-dark);
}

@media (min-width: 768px) {
    .nav__toggle {
        display: none;
    }
    
    .nav__menu {
        background-color: transparent;
        flex-direction: row;
        gap: var(--spacing-lg);
        height: auto;
        opacity: 1;
        padding: 0;
        position: static;
        transform: translateX(0);
        width: auto;
    }
    
    .nav__link {
        font-size: var(--font-size-base);
        padding: var(--spacing-sm);
    }
}

/* HERO SECTION */
.hero {
    align-items: center;
    background-color: var(--color-dark);
    color: var(--color-light);
    display: flex;
    min-height: 100vh;
    overflow: hidden;
    padding: calc(var(--spacing-3xl) + 60px) 0 var(--spacing-3xl);
    position: relative;
}

.hero__bg-gradient {
    background: linear-gradient(45deg, rgba(125, 211, 252, 0.1), rgba(147, 197, 253, 0.2));
    height: 100%;
    left: 0;
    position: absolute;
    top: 0;
    width: 100%;
    z-index: 1;
}

.hero__bg-mesh {
    background-image: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-9-21c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM60 91c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM35 41c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM12 60c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2z' fill='%237DD3FC' fill-opacity='0.1' fill-rule='evenodd'/%3E%3C/svg%3E");
    height: 100%;
    left: 0;
    opacity: 0.5;
    position: absolute;
    top: 0;
    width: 100%;
    z-index: 2;
}

.hero__container {
    align-items: center;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3xl);
    position: relative;
    z-index: 3;
}

.hero__content {
    max-width: 600px;
    text-align: center;
}

.hero__title {
    font-family: var(--font-secondary);
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-lg);
}

.hero__subtitle {
    color: var(--color-primary);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--spacing-lg);
}

.hero__text {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xl);
}

.hero__image-container {
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    max-width: 100%;
    overflow: hidden;
    position: relative;
}

.hero__image {
    border-radius: var(--border-radius-lg);
    display: block;
    object-fit: cover;
    transition: transform var(--transition-slow);
    width: 100%;
}

.hero__image-container:hover .hero__image {
    transform: scale(1.05);
}

.highlight {
    color: var(--color-primary);
    font-weight: var(--font-weight-bold);
}

@media (min-width: 768px) {
    .hero__container {
        flex-direction: row;
        justify-content: space-between;
    }
    
    .hero__content {
        text-align: left;
    }
    
    .hero__title {
        font-size: var(--font-size-5xl);
    }
    
    .hero__image-container {
        max-width: 50%;
    }
}

/* BUTTONS */
.button {
    align-items: center;
    border-radius: var(--border-radius-md);
    display: inline-flex;
    font-weight: var(--font-weight-medium);
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-xl);
    text-align: center;
    transition: all var(--transition-fast);
}

.button--primary {
    background-color: var(--color-primary);
    color: var(--color-dark);
}

.button--primary:hover, .button--primary:focus {
    background-color: var(--color-secondary);
    color: var(--color-dark);
}

.button--secondary {
    background-color: transparent;
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
}

.button--secondary:hover, .button--secondary:focus {
    background-color: var(--color-primary);
    color: var(--color-dark);
}

.button--small {
    font-size: var(--font-size-sm);
    padding: var(--spacing-sm) var(--spacing-md);
}

/* STATS SECTION */
.stats-grid {
    display: grid;
    gap: var(--spacing-lg);
    grid-template-columns: repeat(1, 1fr);
    margin: var(--spacing-2xl) 0;
}

.stats-card {
    background-color: var(--color-light);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-xl);
    text-align: center;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.stats-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

.stats-card__icon {
    margin: 0 auto var(--spacing-md);
}

.stats-card__title {
    color: var(--color-primary);
    font-family: var(--font-secondary);
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-sm);
}

.stats-card__text {
    color: var(--color-gray-600);
    margin-bottom: 0;
}

.info-box {
    background-color: rgba(147, 197, 253, 0.1);
    border-left: 4px solid var(--color-primary);
    border-radius: var(--border-radius-md);
    margin: var(--spacing-2xl) auto;
    max-width: 800px;
    padding: var(--spacing-lg);
}

.info-box p:last-child {
    margin-bottom: 0;
}

@media (min-width: 640px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* PROCESS SECTION */
.process {
    display: grid;
    gap: var(--spacing-lg);
    grid-template-columns: repeat(1, 1fr);
    margin: var(--spacing-2xl) 0;
}

.process-card {
    background-color: rgba(15, 23, 42, 0.5);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-xl);
    position: relative;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.process-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

.process-card__number {
    color: var(--color-primary);
    font-family: var(--font-secondary);
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    left: var(--spacing-lg);
    opacity: 0.3;
    position: absolute;
    top: var(--spacing-md);
}

.process-card__title {
    color: var(--color-primary);
    font-size: var(--font-size-xl);
    margin: var(--spacing-lg) 0 var(--spacing-md);
}

.process-card__text {
    color: var(--color-gray-300);
    margin-bottom: 0;
}

@media (min-width: 640px) {
    .process {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .process {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ROUTINE PLANNER */
.routine-planner {
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    margin: var(--spacing-2xl) auto;
    max-width: 900px;
    overflow: hidden;
}

.routine-timeline {
    padding: var(--spacing-xl);
}

.routine-timeline__item {
    align-items: flex-start;
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.routine-timeline__item:not(:last-child)::before {
    background-color: var(--color-gray-200);
    content: '';
    height: 100%;
    left: 12px;
    position: absolute;
    top: 24px;
    width: 2px;
    z-index: 1;
}

.routine-timeline__item::after {
    color: var(--color-gray-400);
    content: attr(data-time);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    left: -75px;
    position: absolute;
    top: 2px;
}

.routine-timeline__icon {
    background-color: var(--color-light);
    border-radius: var(--border-radius-md);
    flex-shrink: 0;
    position: relative;
    z-index: 2;
}

.routine-timeline__content {
    padding-bottom: var(--spacing-sm);
}

.routine-timeline__content h3 {
    color: var(--color-dark);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xs);
}

.routine-timeline__content p {
    color: var(--color-gray-600);
    margin-bottom: 0;
}

.routine-planner__interactive {
    background-color: rgba(147, 197, 253, 0.1);
    border-top: 1px solid var(--color-gray-200);
    padding: var(--spacing-xl);
    text-align: center;
}

.routine-planner__interactive h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-sm);
}

.routine-planner__interactive p {
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-lg);
}

.routine-planner__controls {
    align-items: center;
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
}

.routine-planner__time {
    background-color: var(--color-white);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    font-weight: var(--font-weight-medium);
    padding: var(--spacing-sm) var(--spacing-md);
}

.routine-planner__time-value {
    color: var(--color-primary);
}

@media (min-width: 768px) {
    .routine-timeline__item {
        padding-left: 80px;
    }
    
    .routine-timeline__item::after {
        left: 0;
    }
}

/* TESTIMONIAL SLIDER */
.testimonial-slider {
    margin: var(--spacing-2xl) auto;
    max-width: 900px;
    position: relative;
}

.testimonial-slider__container {
    display: grid;
    gap: var(--spacing-lg);
    margin: 0 auto;
    overflow: hidden;
    position: relative;
}

.testimonial-slide {
    position: relative;
    transition: opacity var(--transition-normal);
    width: 100%;
}

.testimonial-card {
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    display: grid;
    overflow: hidden;
}

.testimonial-card__image {
    background-color: var(--color-gray-100);
    height: 100%;
    overflow: hidden;
    width: 100%;
}

.testimonial-card__img {
    height: 100%;
    object-fit: cover;
    width: 100%;
}

.testimonial-card__content {
    padding: var(--spacing-xl);
}

.testimonial-card__name {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-xs);
}

.testimonial-card__occupation {
    color: var(--color-gray-500);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-md);
}

.testimonial-card__rating {
    color: var(--color-primary);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
}

.testimonial-card__text {
    font-style: italic;
    margin-bottom: var(--spacing-md);
}

.testimonial-card__result {
    background-color: rgba(147, 197, 253, 0.1);
    border-radius: var(--border-radius-md);
    margin-bottom: 0;
    padding: var(--spacing-sm) var(--spacing-md);
}

.testimonial-slider__controls {
    align-items: center;
    display: flex;
    justify-content: center;
    margin-top: var(--spacing-xl);
}

.testimonial-slider__arrow {
    align-items: center;
    background-color: var(--color-white);
    border-radius: var(--border-radius-full);
    box-shadow: var(--shadow-sm);
    display: flex;
    height: 40px;
    justify-content: center;
    transition: background-color var(--transition-fast);
    width: 40px;
}

.testimonial-slider__arrow:hover, .testimonial-slider__arrow:focus {
    background-color: var(--color-primary);
}

.testimonial-slider__dots {
    display: flex;
    gap: var(--spacing-sm);
    margin: 0 var(--spacing-lg);
}

.testimonial-slider__dot {
    background-color: var(--color-gray-300);
    border-radius: var(--border-radius-full);
    height: 10px;
    transition: background-color var(--transition-fast), transform var(--transition-fast);
    width: 10px;
}

.testimonial-slider__dot--active {
    background-color: var(--color-primary);
    transform: scale(1.2);
}

.testimonial-slider__dot:hover, .testimonial-slider__dot:focus {
    background-color: var(--color-secondary);
}

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

/* TEAM SECTION */
.team-grid {
    display: grid;
    gap: var(--spacing-lg);
    grid-template-columns: repeat(1, 1fr);
    margin: var(--spacing-2xl) 0;
}

.team-card {
    background-color: rgba(15, 23, 42, 0.5);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.team-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

.team-card__image {
    height: 250px;
    overflow: hidden;
    width: 100%;
}

.team-card__img {
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
    width: 100%;
}

.team-card:hover .team-card__img {
    transform: scale(1.05);
}

.team-card__content {
    padding: var(--spacing-lg);
}

.team-card__name {
    color: var(--color-primary);
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-xs);
}

.team-card__role {
    color: var(--color-gray-300);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-md);
}

.team-card__description {
    color: var(--color-gray-300);
    margin-bottom: 0;
}

@media (min-width: 640px) {
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .team-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* PROGRAMS SECTION */
.programs-grid {
    display: grid;
    gap: var(--spacing-lg);
    grid-template-columns: repeat(1, 1fr);
    margin: var(--spacing-2xl) 0;
}

.program-card {
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    padding: var(--spacing-xl);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.program-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

.program-card--featured {
    background-color: var(--color-primary);
    color: var(--color-dark);
}

.program-card--featured .button--primary {
    border: 2px solid var(--color-dark);
}

.program-card__header {
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.program-card__title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
}

.program-card__price {
    color: var(--color-gray-600);
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
}

.program-card--featured .program-card__price {
    color: var(--color-dark);
}

.program-card__features {
    flex-grow: 1;
    margin-bottom: var(--spacing-xl);
}

.program-card__features li {
    margin-bottom: var(--spacing-sm);
    padding-left: var(--spacing-lg);
    position: relative;
}

.program-card__features li::before {
    color: var(--color-primary);
    content: '✓';
    font-weight: var(--font-weight-bold);
    left: 0;
    position: absolute;
}

.program-card--featured .program-card__features li::before {
    color: var(--color-dark);
}

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

/* TIMELINE SECTION */
.timeline-section {
    overflow: hidden;
}

.timeline {
    margin: var(--spacing-2xl) 0;
    position: relative;
}

.timeline::before {
    background-color: var(--color-gray-700);
    content: '';
    height: 100%;
    left: 20px;
    position: absolute;
    top: 0;
    width: 2px;
}

.timeline__item {
    margin-bottom: var(--spacing-xl);
    padding-left: 60px;
    position: relative;
}

.timeline__item::before {
    background-color: var(--color-primary);
    border: 4px solid var(--color-dark);
    border-radius: var(--border-radius-full);
    content: '';
    height: 20px;
    left: 11px;
    position: absolute;
    top: 0;
    width: 20px;
    z-index: 1;
}

.timeline__content {
    background-color: rgba(15, 23, 42, 0.5);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-lg);
    position: relative;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.timeline__content:hover {
    box-shadow: var(--shadow-lg);
    transform: translateX(10px);
}

.timeline__title {
    color: var(--color-primary);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-sm);
}

.timeline__text {
    color: var(--color-gray-300);
    margin-bottom: 0;
}

@media (min-width: 768px) {
    .timeline::before {
        left: 50%;
        margin-left: -1px;
    }
    
    .timeline__item {
        padding-left: 0;
    }
    
    .timeline__item:nth-child(odd) {
        padding-right: calc(50% + var(--spacing-xl));
    }
    
    .timeline__item:nth-child(even) {
        padding-left: calc(50% + var(--spacing-xl));
    }
    
    .timeline__item::before {
        left: 50%;
        margin-left: -10px;
    }
}

/* CONTACT SECTION */
.contact-grid {
    display: grid;
    gap: var(--spacing-2xl);
    grid-template-columns: 1fr;
    margin: var(--spacing-2xl) 0;
}

.contact-info__item {
    align-items: flex-start;
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.contact-info__icon {
    background-color: var(--color-white);
    border-radius: var(--border-radius-md);
    flex-shrink: 0;
}

.contact-info__content h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xs);
}

.contact-info__content p {
    color: var(--color-gray-600);
    margin-bottom: 0;
}

.contact-info__image {
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    margin-top: var(--spacing-xl);
    width: 100%;
}

.contact-form {
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-xl);
}

.form__group {
    margin-bottom: var(--spacing-lg);
}

.form__label {
    color: var(--color-gray-700);
    display: block;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--spacing-xs);
}

.form__input,
.form__select,
.form__textarea {
    background-color: var(--color-gray-100);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--border-radius-md);
    color: var(--color-gray-800);
    padding: var(--spacing-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    width: 100%;
}

.form__input:focus,
.form__select:focus,
.form__textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(147, 197, 253, 0.3);
    outline: none;
}

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

.form__group--checkbox {
    align-items: center;
    display: flex;
    gap: var(--spacing-sm);
}

.form__checkbox {
    appearance: none;
    background-color: var(--color-gray-100);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    height: 20px;
    position: relative;
    transition: background-color var(--transition-fast), border-color var(--transition-fast);
    width: 20px;
}

.form__checkbox:checked {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.form__checkbox:checked::after {
    border-bottom: 2px solid var(--color-dark);
    border-right: 2px solid var(--color-dark);
    content: '';
    height: 10px;
    left: 7px;
    position: absolute;
    top: 3px;
    transform: rotate(45deg);
    width: 5px;
}

.form__checkbox-label {
    color: var(--color-gray-700);
    font-size: var(--font-size-sm);
}

.form__submit {
    margin-top: var(--spacing-md);
    width: 100%;
}

@media (min-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr 1fr;
    }
}

/* FOOTER */
.footer {
    background-color: var(--color-dark);
    color: var(--color-light);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer__grid {
    display: grid;
    gap: var(--spacing-xl);
    grid-template-columns: repeat(1, 1fr);
}

.footer__brand {
    margin-bottom: var(--spacing-xl);
}

.footer__logo {
    filter: brightness(10);
    height: 40px;
    margin-bottom: var(--spacing-md);
    width: auto;
}

.footer__slogan {
    color: var(--color-gray-300);
    font-style: italic;
    margin-bottom: var(--spacing-md);
}

.footer__copyright {
    color: var(--color-gray-500);
    font-size: var(--font-size-sm);
}

.footer__heading {
    color: var(--color-primary);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
}

.footer__nav {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer__nav a {
    color: var(--color-gray-300);
    transition: color var(--transition-fast);
}

.footer__nav a:hover, .footer__nav a:focus {
    color: var(--color-primary);
}

.footer__address {
    color: var(--color-gray-300);
    font-style: normal;
    line-height: 1.6;
}

.footer__address p {
    margin-bottom: var(--spacing-sm);
}

@media (min-width: 640px) {
    .footer__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .footer__grid {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }
}

/* BACK TO TOP */
.back-to-top {
    align-items: center;
    background-color: var(--color-primary);
    border-radius: var(--border-radius-full);
    bottom: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    color: var(--color-dark);
    display: flex;
    height: 50px;
    justify-content: center;
    opacity: 0;
    position: fixed;
    right: var(--spacing-xl);
    transition: opacity var(--transition-normal), background-color var(--transition-fast);
    width: 50px;
    z-index: 40;
}

.back-to-top.visible {
    opacity: 1;
}

.back-to-top:hover, .back-to-top:focus {
    background-color: var(--color-secondary);
    color: var(--color-dark);
}

.success-container {
    text-align: center;
}