/* ===================================
   ROOT VARIABLES - FIGNARBRA
   Professional Medical Theme
   =================================== */
:root {
    /* Color Palette - Medical Blue */
    --color-medical-blue: #1976D2;
    --color-medical-blue-light: #2196F3;
    --color-medical-blue-dark: #0D47A1;
    --color-white: #FFFFFF;
    --color-off-white: #F5F7FA;
    --color-gray-light: #E8EAED;
    --color-gray-medium: #B0BEC5;
    --color-gray-dark: #546E7A;
    --color-health-green: #4CAF50;
    --color-health-green-light: #66BB6A;
    --color-warning-orange: #FF9800;
    --color-error-red: #F44336;
    --color-text-dark: #263238;
    --color-text-medium: #37474F;
    --color-text-light: #78909C;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #1976D2 0%, #2196F3 100%);
    --gradient-secondary: linear-gradient(135deg, #4CAF50 0%, #66BB6A 100%);
    --gradient-medical: linear-gradient(135deg, #1976D2 0%, #0D47A1 50%, #2196F3 100%);
    --gradient-light: linear-gradient(135deg, #F5F7FA 0%, #E8EAED 100%);

    /* Typography */
    --font-display: 'Playfair Display', serif;
    --font-body: 'Source Sans Pro', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 2.5rem;

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-xxl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.18);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.22);

}

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

html {
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    color: var(--color-text-medium);
    line-height: 1.7;
    background-color: var(--color-off-white);
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* ===================================
   CONTAINER SYSTEM
   =================================== */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ===================================
   TYPOGRAPHY
   =================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
}

h2 {
    font-size: clamp(1.5rem, 3vw, 2.5rem);
}

h3 {
    font-size: clamp(1.25rem, 2vw, 1.75rem);
}

/* ===================================
   BUTTONS
   =================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 1rem;
    border-radius: var(--radius-md);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
    overflow: hidden;
}

.btn--primary {
    background: var(--gradient-primary);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

.btn--primary:hover {
}

.btn--secondary {
    background: transparent;
    color: var(--color-medical-blue);
    border: 2px solid var(--color-medical-blue);
}

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

/* ===================================
   SECTION STYLES
   =================================== */
.section {
    padding: var(--spacing-xl) 0;
}

.section__tag {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(25, 118, 210, 0.1);
    color: var(--color-medical-blue);
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-md);
}

.section__title {
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-md);
}

.section__description {
    font-size: 1.125rem;
    color: var(--color-text-light);
    max-width: 800px;
    margin-bottom: var(--spacing-lg);
}

/* ===================================
   HEADER & NAVIGATION
   =================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
}

.nav {
    padding: var(--spacing-sm) 0;
}

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

.nav__logo {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.75rem;
    color: var(--color-medical-blue);
}

.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    padding: var(--spacing-xs);
    z-index: 1001;
}

.nav__toggle-line {
    width: 25px;
    height: 3px;
    background: var(--color-medical-blue);
    border-radius: var(--radius-full);
}

.nav__menu {
    display: flex;
    gap: var(--spacing-lg);
}

.nav__link {
    font-family: var(--font-body);
    font-weight: 500;
    color: var(--color-text-medium);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
}

.nav__link:hover,
.nav__link.active {
    color: var(--color-medical-blue);
    background: rgba(25, 118, 210, 0.05);
}

/* ===================================
   HERO SECTION
   =================================== */
.hero {
    position: relative;
    min-height: auto;
    display: flex;
    align-items: center;
    background: var(--gradient-light);
    padding: var(--spacing-xxl) 0;
}

.hero__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.hero__badge {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    background: rgba(25, 118, 210, 0.1);
    border: 1px solid var(--color-medical-blue);
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-lg);
}

.hero__badge-text {
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-medical-blue);
}

.hero__title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    line-height: 1.1;
}

.hero__title-highlight {
    display: block;
    color: var(--color-medical-blue);
}

.hero__subtitle {
    font-size: 1.25rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-xl);
    color: var(--color-text-light);
}

.hero__stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.hero__stat {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--color-white);
    padding: var(--spacing-md);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-gray-light);
}

.hero__stat-icon {
    font-size: 2rem;
}

.hero__stat-content {
    display: flex;
    flex-direction: column;
}

.hero__stat-value {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-medical-blue);
}

.hero__stat-label {
    font-size: 0.875rem;
    color: var(--color-text-light);
}

.hero__cta {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.hero__visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 400px;
}

.hero__icon {
    width: 300px;
    height: 300px;
    color: var(--color-medical-blue);
    position: relative;
    z-index: 2;
}

.hero__icon svg {
    width: 100%;
    height: 100%;
}


/* ===================================
   ABOUT SECTION
   =================================== */
.about {
    background: var(--color-white);
}

.about__container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.about__header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.about__content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-xl);
}

.about__text {
    color: var(--color-text-medium);
}

.about__subtitle {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-medical-blue);
    margin-bottom: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.about__paragraph {
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.about__sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.about__card {
    background: var(--color-off-white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    border: 1px solid var(--color-gray-light);
    box-shadow: var(--shadow-sm);
}

.about__card--symptoms {
    border-left: 4px solid var(--color-error-red);
}

.about__card--causes {
    border-left: 4px solid var(--color-medical-blue);
}

.about__card--risks {
    border-left: 4px solid var(--color-warning-orange);
}

.about__card-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.about__card-icon {
    font-size: 1.5rem;
}

.about__card-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text-dark);
}

.about__card-list {
    list-style: none;
}

.about__card-list li {
    padding: var(--spacing-xs) 0;
    color: var(--color-text-medium);
    font-size: 0.95rem;
    padding-left: var(--spacing-md);
    position: relative;
}

.about__card-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-medical-blue);
}

/* ===================================
   TREATMENT SECTION
   =================================== */
.treatment {
    background: var(--gradient-light);
}

.treatment__container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.treatment__header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.treatment__grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-xl);
}

.treatment-card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-gray-light);
}

.treatment-card--main {
    border-top: 4px solid var(--color-medical-blue);
}

.treatment-card--mechanisms {
    border-top: 4px solid var(--color-health-green);
}

.treatment-card__header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.treatment-card__icon {
    font-size: 2.5rem;
}

.treatment-card__title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-medical-blue);
}

.treatment-card__badge {
    background: var(--color-medical-blue);
    color: var(--color-white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.treatment-card__description {
    color: var(--color-text-medium);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
}

.treatment-card__composition,
.treatment-card__dosage,
.treatment-card__warning {
    margin-bottom: var(--spacing-lg);
}

.treatment-card__subtitle {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.treatment-card__list {
    list-style: none;
}

.treatment-card__list li {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-gray-light);
}

.treatment-card__list li:last-child {
    border-bottom: none;
}

.ingredient-name {
    font-weight: 600;
    color: var(--color-medical-blue);
    display: block;
    margin-bottom: var(--spacing-xs);
}

.ingredient-desc {
    font-size: 0.95rem;
    color: var(--color-text-medium);
    line-height: 1.6;
}

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

.dosage-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-off-white);
    border-radius: var(--radius-lg);
}

.dosage-time {
    font-weight: 600;
    color: var(--color-medical-blue);
    min-width: 80px;
}

.dosage-dose {
    color: var(--color-text-medium);
}

.treatment-card__list--warning li {
    padding-left: var(--spacing-md);
    position: relative;
}

.treatment-card__list--warning li::before {
    content: '⚠️';
    position: absolute;
    left: 0;
}

.mechanisms-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.mechanisms-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-off-white);
    border-radius: var(--radius-lg);
}

.mechanisms-item__icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.mechanisms-item__title {
    font-weight: 600;
    color: var(--color-medical-blue);
    margin-bottom: var(--spacing-xs);
}

.mechanisms-item__text {
    font-size: 0.95rem;
    color: var(--color-text-medium);
    line-height: 1.6;
}

/* ===================================
   BENEFITS SECTION
   =================================== */
.benefits {
    background: var(--color-white);
}

.benefits__container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.benefits__header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.benefits__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.benefit-card {
    background: var(--color-off-white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    border: 1px solid var(--color-gray-light);
}

.benefit-card:hover {
    border-color: var(--color-medical-blue);
}

.benefit-card__icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.benefit-card__title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-medical-blue);
    margin-bottom: var(--spacing-sm);
}

.benefit-card__description {
    color: var(--color-text-medium);
    line-height: 1.7;
}

.benefits__metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.benefit-metric {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--color-medical-blue);
    color: var(--color-white);
    border-radius: var(--radius-xl);
}

.benefit-metric__value {
    display: block;
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.benefit-metric__label {
    font-size: 0.95rem;
    opacity: 0.9;
}

/* ===================================
   TESTIMONIALS SECTION
   =================================== */
.testimonials {
    background: var(--gradient-light);
}

.testimonials__container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.testimonials__header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.testimonials__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.testimonial-card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-gray-light);
}

.testimonial-card__header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.testimonial-card__avatar {
    width: 60px;
    height: 60px;
    background: var(--color-medical-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
}

.testimonial-card__info {
    display: flex;
    flex-direction: column;
}

.testimonial-card__name {
    font-weight: 600;
    color: var(--color-text-dark);
}

.testimonial-card__age {
    font-size: 0.875rem;
    color: var(--color-text-light);
}

.testimonial-card__text {
    color: var(--color-text-medium);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
    font-style: italic;
}

.testimonial-card__result {
    background: var(--color-off-white);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--color-health-green);
}

.result-label {
    font-weight: 600;
    color: var(--color-medical-blue);
    margin-right: var(--spacing-sm);
}

.result-value {
    color: var(--color-text-medium);
}

/* ===================================
   FOOTER
   =================================== */
.footer {
    background: var(--color-text-dark);
    color: var(--color-white);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer__container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.footer__main {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: var(--spacing-xl);
}

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

.footer__logo-text {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 2rem;
    color: var(--color-medical-blue-light);
}

.footer__description {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
    font-size: 0.95rem;
}

.footer__warning {
    color: var(--color-warning-orange);
    font-size: 0.875rem;
    padding: var(--spacing-sm);
    background: rgba(255, 152, 0, 0.1);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 152, 0, 0.3);
}

.footer__links-column {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.footer__links-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--color-medical-blue-light);
}

.footer__links-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.footer__link {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
}

.footer__link:hover {
    color: var(--color-medical-blue-light);
}

.footer__bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__copyright {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
}

.footer__certifications {
    display: flex;
    gap: var(--spacing-sm);
}

.certification {
    background: var(--color-medical-blue);
    color: var(--color-white);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */
@media (max-width: 1024px) {
    .hero__container,
    .about__content,
    .treatment__grid {
        grid-template-columns: 1fr;
    }

    .hero__stats {
        justify-content: center;
    }

    .hero__cta {
        justify-content: center;
    }

    .footer__main {
        grid-template-columns: 1fr 1fr;
    }

    .footer__brand {
        grid-column: span 2;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-xs: 0.5rem;
        --spacing-sm: 0.5rem;
        --spacing-md: 0.75rem;
        --spacing-lg: 1rem;
        --spacing-xl: 1.25rem;
        --spacing-xxl: 1.5rem;
    }

    .section {
        padding: var(--spacing-lg) 0;
    }

    .hero {
        padding: var(--spacing-xl) 0;
    }

    .footer {
        padding: var(--spacing-lg) 0 var(--spacing-md);
    }

    .nav__toggle {
        display: flex;
    }

    .nav__menu {
        position: fixed;
        top: 0;
        left: -100%;
        width: 80%;
        height: 100vh;
        background: var(--color-white);
        flex-direction: column;
        padding: var(--spacing-xxl);
        gap: var(--spacing-md);
        box-shadow: var(--shadow-xl);
    }

    .nav__menu.active {
        left: 0;
    }

    .hero__title {
        font-size: 2rem;
    }

    .hero__subtitle {
        font-size: 1rem;
    }

    .hero__stats {
        grid-template-columns: 1fr;
    }

    .footer__main {
        grid-template-columns: 1fr;
    }

    .footer__brand {
        grid-column: span 1;
    }

    .footer__bottom {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 14px;
    }

    .btn {
        padding: var(--spacing-xs) var(--spacing-md);
        font-size: 0.875rem;
    }

    .container {
        padding: 0 var(--spacing-md);
    }
}