/* =============================================
   OASIS CARE — Premium Medical Tourism Landing Page
   Design System & Styles
   ============================================= */

/* === CSS Custom Properties (Design Tokens) === */
:root {
    /* Primary Colors */
    --primary: #1FAF8B;
    --primary-dark: #178F71;
    --primary-light: #2CC9A1;
    --primary-subtle: #E8F8F3;
    --primary-glow: rgba(31, 175, 139, 0.25);

    /* Secondary / Accent */
    --accent: #0E9AC4;
    --accent-light: #56C4E0;
    --accent-subtle: #E6F5FA;

    /* Neutrals */
    --white: #FFFFFF;
    --gray-50: #F8FAFB;
    --gray-100: #F1F5F7;
    --gray-200: #E2E8ED;
    --gray-300: #CBD4DC;
    --gray-400: #9BAABC;
    --gray-500: #6B7D8F;
    --gray-600: #4A5B6E;
    --gray-700: #334155;
    --gray-800: #1E2B3A;
    --gray-900: #0F1923;

    /* Semantic */
    --success: #22C55E;
    --warning: #F59E0B;
    --danger: #EF4444;

    /* Typography */
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Spacing */
    --section-padding: 100px 0;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(15, 25, 35, 0.06), 0 1px 2px rgba(15, 25, 35, 0.04);
    --shadow-md: 0 4px 12px rgba(15, 25, 35, 0.08), 0 2px 6px rgba(15, 25, 35, 0.04);
    --shadow-lg: 0 10px 30px rgba(15, 25, 35, 0.1), 0 4px 12px rgba(15, 25, 35, 0.05);
    --shadow-xl: 0 20px 50px rgba(15, 25, 35, 0.12), 0 8px 20px rgba(15, 25, 35, 0.06);
    --shadow-glow: 0 0 30px var(--primary-glow);

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* 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-smooth: 0.5s cubic-bezier(0.22, 1, 0.36, 1);

    /* Z-index layers */
    --z-navbar: 1000;
    --z-float: 900;
    --z-modal: 1100;
}

/* === 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: 1.7;
    color: var(--gray-700);
    background-color: var(--white);
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

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

/* === CONTAINER === */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* === TYPOGRAPHY === */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.25;
    color: var(--gray-800);
}

.highlight {
    color: var(--primary);
    position: relative;
}

.highlight-light {
    color: var(--white);
    position: relative;
    text-decoration: underline;
    text-decoration-color: rgba(255,255,255,0.4);
    text-underline-offset: 6px;
}

/* === BUTTONS === */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    font-family: var(--font-heading);
    font-size: 15px;
    font-weight: 600;
    border-radius: var(--radius-full);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.2), transparent);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.btn:hover::after {
    opacity: 1;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    box-shadow: 0 4px 16px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 28px var(--primary-glow);
}

.btn-outline {
    border-color: var(--white);
    color: var(--white);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(8px);
}

.btn-outline:hover {
    background: var(--white);
    color: var(--primary);
    transform: translateY(-2px);
}

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

.btn-white:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.btn-outline-white {
    border-color: rgba(255, 255, 255, 0.6);
    color: var(--white);
    background: rgba(255, 255, 255, 0.08);
}

.btn-outline-white:hover {
    background: var(--white);
    color: var(--primary);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 16px 36px;
    font-size: 16px;
}

/* === SECTION COMMON === */
.section {
    padding: var(--section-padding);
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 64px;
}

.section-tag {
    display: inline-block;
    padding: 6px 20px;
    background: var(--primary-subtle);
    color: var(--primary);
    font-family: var(--font-heading);
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    border-radius: var(--radius-full);
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(28px, 4vw, 42px);
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 17px;
    color: var(--gray-500);
    line-height: 1.8;
}

/* === ANIMATIONS === */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
                transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

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

/* Staggered delays for grid children */
.features-grid .fade-in:nth-child(1) { transition-delay: 0s; }
.features-grid .fade-in:nth-child(2) { transition-delay: 0.08s; }
.features-grid .fade-in:nth-child(3) { transition-delay: 0.16s; }
.features-grid .fade-in:nth-child(4) { transition-delay: 0.24s; }
.features-grid .fade-in:nth-child(5) { transition-delay: 0.32s; }
.features-grid .fade-in:nth-child(6) { transition-delay: 0.4s; }

.treatments-grid .fade-in:nth-child(1) { transition-delay: 0s; }
.treatments-grid .fade-in:nth-child(2) { transition-delay: 0.08s; }
.treatments-grid .fade-in:nth-child(3) { transition-delay: 0.16s; }
.treatments-grid .fade-in:nth-child(4) { transition-delay: 0.24s; }
.treatments-grid .fade-in:nth-child(5) { transition-delay: 0.32s; }

.steps-timeline .fade-in:nth-child(2) { transition-delay: 0s; }
.steps-timeline .fade-in:nth-child(3) { transition-delay: 0.1s; }
.steps-timeline .fade-in:nth-child(4) { transition-delay: 0.2s; }
.steps-timeline .fade-in:nth-child(5) { transition-delay: 0.3s; }
.steps-timeline .fade-in:nth-child(6) { transition-delay: 0.4s; }

/* =============================================
   1. NAVIGATION
   ============================================= */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-navbar);
    padding: 16px 0;
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 2px 20px rgba(15, 25, 35, 0.08);
    padding: 10px 0;
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    z-index: calc(var(--z-navbar) + 1);
}

.logo-icon {
    font-size: 28px;
    color: var(--primary);
    filter: drop-shadow(0 2px 4px var(--primary-glow));
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 800;
    color: var(--white);
    transition: color var(--transition-base);
}

.navbar.scrolled .logo-text {
    color: var(--gray-800);
}

.logo-accent {
    color: var(--primary);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    padding: 8px 16px;
    font-family: var(--font-heading);
    font-size: 14px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.85);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.navbar.scrolled .nav-link {
    color: var(--gray-600);
}

.nav-link:hover {
    color: var(--white);
    background: rgba(255, 255, 255, 0.12);
}

.navbar.scrolled .nav-link:hover {
    color: var(--primary);
    background: var(--primary-subtle);
}

.nav-cta {
    background: var(--primary) !important;
    color: var(--white) !important;
    padding: 10px 24px !important;
    font-weight: 600 !important;
    box-shadow: 0 2px 12px var(--primary-glow);
}

.nav-cta:hover {
    background: var(--primary-dark) !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 20px var(--primary-glow) !important;
}

/* Hamburger */
.nav-toggle {
    display: none;
    width: 32px;
    height: 32px;
    position: relative;
    z-index: calc(var(--z-navbar) + 1);
}

.hamburger,
.hamburger::before,
.hamburger::after {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
    position: absolute;
    transition: all var(--transition-base);
}

.navbar.scrolled .hamburger,
.navbar.scrolled .hamburger::before,
.navbar.scrolled .hamburger::after {
    background: var(--gray-700);
}

.hamburger {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.hamburger::before {
    content: '';
    top: -8px;
    left: 0;
}

.hamburger::after {
    content: '';
    top: 8px;
    left: 0;
}

.nav-toggle.active .hamburger {
    background: transparent;
}

.nav-toggle.active .hamburger::before {
    top: 0;
    transform: rotate(45deg);
    background: var(--gray-700);
}

.nav-toggle.active .hamburger::after {
    top: 0;
    transform: rotate(-45deg);
    background: var(--gray-700);
}

/* =============================================
   2. HERO SECTION
   ============================================= */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(15, 25, 35, 0.85) 0%,
        rgba(23, 143, 113, 0.75) 50%,
        rgba(14, 154, 196, 0.65) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding-top: 100px;
    padding-bottom: 80px;
}

.hero-badges {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin-bottom: 32px;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-full);
    color: var(--white);
    font-size: 13px;
    font-weight: 500;
}

.badge i {
    color: #FFD700;
    font-size: 14px;
}

.hero-title {
    font-size: clamp(32px, 5vw, 60px);
    color: var(--white);
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.hero-title .highlight {
    color: var(--primary-light);
    text-shadow: 0 0 40px var(--primary-glow);
}

.hero-subtitle {
    font-size: clamp(16px, 2vw, 20px);
    color: rgba(255, 255, 255, 0.8);
    max-width: 640px;
    margin: 0 auto 40px;
    line-height: 1.7;
}

.hero-ctas {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
    margin-bottom: 56px;
}

.hero-stats {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0;
    flex-wrap: wrap;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-xl);
    padding: 28px 40px;
    max-width: 720px;
    margin: 0 auto;
}

.stat {
    text-align: center;
    padding: 0 28px;
}

.stat-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 32px;
    font-weight: 800;
    color: var(--white);
}

.stat-label {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.65);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255, 255, 255, 0.15);
}

.hero-wave {
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    z-index: 3;
    line-height: 0;
}

.hero-wave svg {
    width: 100%;
    height: 80px;
}

/* =============================================
   3. WHY CHOOSE US
   ============================================= */
.why-us {
    background: var(--white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    text-align: center;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.feature-card:hover {
    border-color: var(--primary-subtle);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon-wrap {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-subtle), var(--accent-subtle));
    border-radius: var(--radius-md);
    font-size: 26px;
    color: var(--primary);
    transition: all var(--transition-base);
}

.feature-card:hover .feature-icon-wrap {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    transform: scale(1.08);
    box-shadow: 0 6px 20px var(--primary-glow);
}

.feature-card h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--gray-800);
}

.feature-card p {
    font-size: 14px;
    color: var(--gray-500);
    line-height: 1.7;
}

/* =============================================
   4. TREATMENTS
   ============================================= */
.treatments {
    background: var(--gray-50);
}

.treatments-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
}

.treatment-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 36px 24px;
    text-align: center;
    border: 1px solid var(--gray-200);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.treatment-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 0;
    background: linear-gradient(180deg, transparent, var(--primary-subtle));
    transition: height var(--transition-smooth);
    z-index: 0;
}

.treatment-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-light);
}

.treatment-card:hover::after {
    height: 100%;
}

.treatment-card > * {
    position: relative;
    z-index: 1;
}

.treatment-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: 50%;
    font-size: 28px;
    color: var(--white);
    box-shadow: 0 8px 24px var(--primary-glow);
    transition: transform var(--transition-base);
}

.treatment-card:hover .treatment-icon {
    transform: scale(1.1) rotate(5deg);
}

.treatment-card h3 {
    font-size: 18px;
    margin-bottom: 10px;
}

.treatment-card p {
    font-size: 14px;
    color: var(--gray-500);
    line-height: 1.7;
    margin-bottom: 16px;
}

.treatment-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
    transition: all var(--transition-fast);
}

.treatment-link i {
    font-size: 12px;
    transition: transform var(--transition-fast);
}

.treatment-link:hover {
    color: var(--primary-dark);
    gap: 10px;
}

.treatment-link:hover i {
    transform: translateX(4px);
}

/* =============================================
   5. HOW IT WORKS
   ============================================= */
.how-it-works {
    background: var(--white);
}

.steps-timeline {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    position: relative;
    padding-top: 24px;
}

.timeline-line {
    position: absolute;
    top: 54px;
    left: 10%;
    right: 10%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: 2px;
    z-index: 0;
}

.timeline-line::before {
    content: '';
    position: absolute;
    inset: -4px;
    background: linear-gradient(90deg, var(--primary-glow), rgba(14, 154, 196, 0.15));
    border-radius: 8px;
    filter: blur(6px);
}

.step {
    flex: 1;
    text-align: center;
    position: relative;
    z-index: 1;
    padding: 0 12px;
}

.step-number {
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 28px;
    height: 28px;
    background: var(--primary);
    color: var(--white);
    font-family: var(--font-heading);
    font-size: 12px;
    font-weight: 700;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px var(--primary-glow);
    z-index: 2;
}

.step-icon {
    width: 72px;
    height: 72px;
    margin: 28px auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-subtle);
    border-radius: 50%;
    font-size: 28px;
    color: var(--primary);
    transition: all var(--transition-base);
    border: 3px solid var(--white);
    box-shadow: var(--shadow-md);
}

.step:hover .step-icon {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    transform: scale(1.1);
    box-shadow: 0 8px 24px var(--primary-glow);
}

.step h3 {
    font-size: 16px;
    margin-bottom: 8px;
    color: var(--gray-800);
}

.step p {
    font-size: 13px;
    color: var(--gray-500);
    line-height: 1.6;
}

/* =============================================
   6. TESTIMONIALS
   ============================================= */
.testimonials {
    background: var(--gray-50);
    position: relative;
    overflow: hidden;
}

.testimonials::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, var(--primary-glow), transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    align-items: stretch;
}

.testimonial-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    border: 1px solid var(--gray-200);
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
    position: relative;
}

.testimonial-card.featured {
    border-color: var(--primary);
    box-shadow: var(--shadow-lg), 0 0 0 1px var(--primary-subtle);
}

.testimonial-card.featured::before {
    content: 'Featured';
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 4px 12px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    font-size: 11px;
    font-weight: 600;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.testimonial-stars {
    display: flex;
    gap: 4px;
    margin-bottom: 16px;
}

.testimonial-stars i {
    color: #FFB800;
    font-size: 16px;
}

.testimonial-card blockquote {
    flex: 1;
    margin-bottom: 24px;
}

.testimonial-card blockquote p {
    font-size: 15px;
    color: var(--gray-600);
    line-height: 1.8;
    font-style: italic;
    position: relative;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 14px;
    padding-top: 20px;
    border-top: 1px solid var(--gray-100);
}

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--primary-subtle);
}

.author-info {
    display: flex;
    flex-direction: column;
}

.author-info strong {
    font-family: var(--font-heading);
    font-size: 15px;
    color: var(--gray-800);
}

.author-info span {
    font-size: 13px;
    color: var(--gray-400);
    display: flex;
    align-items: center;
    gap: 4px;
    margin-top: 2px;
}

.author-info span i {
    color: var(--primary);
    font-size: 11px;
}

/* =============================================
   7. COST COMPARISON
   ============================================= */
.pricing {
    background: var(--white);
}

.comparison-table-wrap {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 15px;
}

.comparison-table thead {
    background: linear-gradient(135deg, var(--gray-800), var(--gray-900));
}

.comparison-table th {
    padding: 18px 24px;
    text-align: left;
    font-family: var(--font-heading);
    font-size: 14px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.85);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.comparison-table th.col-india {
    color: var(--primary-light);
}

.comparison-table th.col-savings {
    color: #FFD700;
}

.comparison-table th .flag {
    margin-right: 6px;
    font-size: 18px;
}

.comparison-table td {
    padding: 18px 24px;
    border-bottom: 1px solid var(--gray-100);
    white-space: nowrap;
}

.comparison-table tbody tr {
    transition: background var(--transition-fast);
}

.comparison-table tbody tr:hover {
    background: var(--primary-subtle);
}

.comparison-table tbody tr:last-child td {
    border-bottom: none;
}

.comparison-table td.col-india {
    color: var(--primary);
    font-weight: 700;
    font-size: 16px;
}

.treatment-table-icon {
    color: var(--primary);
    margin-right: 8px;
    width: 18px;
}

.savings-badge {
    display: inline-block;
    padding: 4px 14px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    font-size: 13px;
    font-weight: 600;
    border-radius: var(--radius-full);
}

.pricing-disclaimer {
    text-align: center;
    font-size: 13px;
    color: var(--gray-400);
    margin-top: 20px;
    font-style: italic;
}

/* =============================================
   8. CTA BANNER
   ============================================= */
.cta-banner {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--accent) 100%);
    position: relative;
    overflow: hidden;
    padding: 80px 0;
}

.cta-bg-shapes {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.cta-shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.08;
    background: var(--white);
}

.cta-shape-1 {
    width: 400px;
    height: 400px;
    top: -200px;
    right: -100px;
}

.cta-shape-2 {
    width: 250px;
    height: 250px;
    bottom: -100px;
    left: -50px;
}

.cta-shape-3 {
    width: 150px;
    height: 150px;
    top: 50%;
    left: 60%;
    transform: translate(-50%, -50%);
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.cta-title {
    font-size: clamp(28px, 4vw, 44px);
    color: var(--white);
    margin-bottom: 16px;
}

.cta-subtitle {
    font-size: 17px;
    color: rgba(255, 255, 255, 0.8);
    max-width: 580px;
    margin: 0 auto 36px;
    line-height: 1.7;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 32px;
}

.cta-trust {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 28px;
}

.cta-trust span {
    display: flex;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.75);
    font-size: 14px;
    font-weight: 500;
}

.cta-trust span i {
    color: rgba(255, 255, 255, 0.9);
}

/* =============================================
   9. FOOTER
   ============================================= */
.footer {
    background: var(--gray-900);
    color: rgba(255, 255, 255, 0.65);
    padding-top: 72px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand .nav-logo {
    margin-bottom: 16px;
}

.footer-brand .logo-text {
    color: var(--white);
}

.footer-brand p {
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 20px;
}

.footer-socials {
    display: flex;
    gap: 10px;
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-sm);
    color: rgba(255, 255, 255, 0.6);
    font-size: 16px;
    transition: all var(--transition-fast);
}

.social-link:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
}

.footer-links h4,
.footer-contact h4 {
    font-family: var(--font-heading);
    font-size: 16px;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 20px;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.55);
    transition: all var(--transition-fast);
}

.footer-links a:hover {
    color: var(--primary-light);
    padding-left: 4px;
}

.footer-contact ul {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
}

.footer-contact li i {
    color: var(--primary);
    width: 16px;
    text-align: center;
    font-size: 15px;
}

.footer-contact li a:hover {
    color: var(--primary-light);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 0;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.35);
}

.footer-bottom-links {
    display: flex;
    gap: 24px;
}

.footer-bottom-links a {
    color: rgba(255, 255, 255, 0.35);
    transition: color var(--transition-fast);
}

.footer-bottom-links a:hover {
    color: var(--primary-light);
}

/* =============================================
   10. TRUST SECTION
   ============================================= */
.trust-section {
    background: linear-gradient(135deg, var(--gray-50) 0%, #f0fdf9 100%);
    position: relative;
    overflow: hidden;
}

.trust-section::before {
    content: '';
    position: absolute;
    top: -60px;
    left: -60px;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, var(--primary-glow), transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.trust-section::after {
    content: '';
    position: absolute;
    bottom: -80px;
    right: -80px;
    width: 260px;
    height: 260px;
    background: radial-gradient(circle, rgba(14, 154, 196, 0.12), transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.trust-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 36px 24px;
    text-align: center;
    border: 1px solid var(--gray-200);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.trust-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: 0 0 4px 4px;
    transition: width var(--transition-base);
}

.trust-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-light);
}

.trust-card:hover::before {
    width: 100%;
}

.trust-icon-wrap {
    width: 72px;
    height: 72px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-subtle), var(--accent-subtle));
    border-radius: 50%;
    font-size: 28px;
    color: var(--primary);
    transition: all var(--transition-base);
}

.trust-card:hover .trust-icon-wrap {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    transform: scale(1.1);
    box-shadow: 0 8px 24px var(--primary-glow);
}

.trust-card h3 {
    font-size: 17px;
    margin-bottom: 10px;
    color: var(--gray-800);
}

.trust-card p {
    font-size: 14px;
    color: var(--gray-500);
    line-height: 1.7;
}

.trust-grid .fade-in:nth-child(1) { transition-delay: 0s; }
.trust-grid .fade-in:nth-child(2) { transition-delay: 0.08s; }
.trust-grid .fade-in:nth-child(3) { transition-delay: 0.16s; }
.trust-grid .fade-in:nth-child(4) { transition-delay: 0.24s; }

/* =============================================
   11. BACK TO TOP
   ============================================= */
.back-to-top {
    position: fixed;
    bottom: 28px;
    right: 28px;
    z-index: var(--z-float);
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 50%;
    color: var(--gray-600);
    font-size: 16px;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px var(--primary-glow);
}

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

/* Tablet */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .steps-timeline {
        flex-wrap: wrap;
        justify-content: center;
        gap: 32px;
    }

    .timeline-line {
        display: none;
    }

    .step {
        flex: 0 0 calc(33.33% - 24px);
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
        max-width: 600px;
        margin: 0 auto;
    }

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

    .trust-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobile */
@media (max-width: 768px) {
    :root {
        --section-padding: 72px 0;
    }

    /* Nav Mobile */
    .nav-toggle {
        display: block;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 360px;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        align-items: flex-start;
        padding: 100px 32px 40px;
        gap: 4px;
        box-shadow: -10px 0 40px rgba(0, 0, 0, 0.15);
        transition: right var(--transition-smooth);
        z-index: var(--z-navbar);
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-link {
        color: var(--gray-700) !important;
        font-size: 16px;
        padding: 12px 16px;
        width: 100%;
        border-radius: var(--radius-sm);
    }

    .nav-link:hover {
        background: var(--primary-subtle) !important;
        color: var(--primary) !important;
    }

    .nav-cta {
        margin-top: 16px;
        width: 100%;
        text-align: center;
        justify-content: center;
    }

    /* Hero Mobile */
    .hero {
        min-height: auto;
        padding: 120px 0 100px;
    }

    .hero-badges {
        gap: 8px;
    }

    .badge {
        font-size: 11px;
        padding: 6px 12px;
    }

    .hero-ctas {
        flex-direction: column;
        align-items: center;
    }

    .hero-stats {
        flex-direction: column;
        gap: 20px;
        padding: 24px;
    }

    .stat-divider {
        width: 40px;
        height: 1px;
    }

    /* Features Mobile */
    .features-grid {
        grid-template-columns: 1fr;
    }

    /* Steps Mobile */
    .step {
        flex: 0 0 calc(50% - 16px);
    }

    /* Comparison Table Mobile */
    .comparison-table th,
    .comparison-table td {
        padding: 12px 14px;
        font-size: 13px;
    }

    /* CTA */
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .cta-trust {
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }

    /* Footer Mobile */
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 36px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }

    /* Trust section mobile */
    .trust-grid {
        grid-template-columns: 1fr 1fr;
    }

    /* Back to top */
    .back-to-top {
        right: 20px;
        bottom: 20px;
        width: 40px;
        height: 40px;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .hero-title {
        font-size: 28px;
    }

    .hero-subtitle {
        font-size: 15px;
    }

    .section-header {
        margin-bottom: 40px;
    }

    .step {
        flex: 0 0 100%;
    }

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

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

/* =============================================
   ENHANCED ANIMATIONS
   ============================================= */
@keyframes float-particle {
    0%, 100% { transform: translateY(0) rotate(0deg); opacity: 0.08; }
    50% { transform: translateY(-20px) rotate(180deg); opacity: 0.15; }
}

.cta-shape-1 {
    animation: float-particle 8s ease-in-out infinite;
}

.cta-shape-2 {
    animation: float-particle 6s ease-in-out infinite 1s;
}

.cta-shape-3 {
    animation: float-particle 10s ease-in-out infinite 2s;
}

@keyframes subtle-glow {
    0%, 100% { box-shadow: 0 4px 16px var(--primary-glow); }
    50% { box-shadow: 0 4px 28px var(--primary-glow), 0 0 60px rgba(31, 175, 139, 0.15); }
}

.btn-primary {
    animation: subtle-glow 3s ease-in-out infinite;
}

/* =============================================
   UTILITY: PRINT STYLES
   ============================================= */
@media print {
    .navbar,
    .back-to-top {
        display: none !important;
    }

    .hero {
        min-height: auto;
        padding: 40px 0;
    }

    .hero-overlay {
        background: rgba(15, 25, 35, 0.6) !important;
    }

    .section {
        padding: 40px 0;
    }
}