/* ========================================
   RubiMedik Landing Page — Design System
   ======================================== */

/* CSS Custom Properties */
:root {
    /* Primary Palette */
    --ruby-50: #fef2f2;
    --ruby-100: #fee2e2;
    --ruby-200: #fecaca;
    --ruby-300: #fca5a5;
    --ruby-400: #f87171;
    --ruby-500: #ef4444;
    --ruby-600: #dc2626;
    --ruby-700: #b91c1c;
    --ruby-800: #991b1b;
    --ruby-900: #7f1d1d;

    /* Neutral */
    --slate-50: #f8fafc;
    --slate-100: #f1f5f9;
    --slate-200: #e2e8f0;
    --slate-300: #cbd5e1;
    --slate-400: #94a3b8;
    --slate-500: #64748b;
    --slate-600: #475569;
    --slate-700: #334155;
    --slate-800: #1e293b;
    --slate-900: #0f172a;
    --slate-950: #020617;

    /* Accent Colors */
    --blue-500: #3b82f6;
    --blue-600: #2563eb;
    --green-500: #22c55e;
    --green-600: #16a34a;
    --purple-500: #a855f7;
    --purple-600: #9333ea;
    --amber-500: #f59e0b;
    --amber-600: #d97706;
    --teal-500: #14b8a6;
    --teal-600: #0d9488;
    --rose-500: #f43f5e;
    --rose-600: #e11d48;
    --indigo-500: #6366f1;
    --indigo-600: #4f46e5;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #dc2626 0%, #991b1b 100%);
    --gradient-hero: linear-gradient(135deg, #0f172a 0%, #1e0a0a 50%, #0f172a 100%);
    --gradient-text: linear-gradient(135deg, #dc2626 0%, #f87171 50%, #dc2626 100%);
    --gradient-card: linear-gradient(135deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.02) 100%);
    --gradient-glow: radial-gradient(circle, rgba(220,38,38,0.15) 0%, transparent 70%);

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;

    /* Typography */
    --font-primary: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Outfit', 'DM Sans', sans-serif;

    /* Border radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-3xl: 2rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0,0,0,0.25);
    --shadow-glow: 0 0 60px rgba(220,38,38,0.15);

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    background-color: var(--slate-950);
    color: var(--slate-300);
    line-height: 1.7;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

/* ========================================
   Typography
   ======================================== */
.gradient-text {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-16);
}

.section-tag {
    display: inline-block;
    padding: var(--space-2) var(--space-4);
    background: rgba(220, 38, 38, 0.1);
    color: var(--ruby-400);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: var(--space-4);
    border: 1px solid rgba(220, 38, 38, 0.2);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--slate-50);
    line-height: 1.2;
    margin-bottom: var(--space-4);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--slate-400);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ========================================
   Navigation
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-4) 0;
    transition: var(--transition-base);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255,255,255,0.05);
    padding: var(--space-3) 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--slate-50);
}

.logo-accent {
    color: var(--ruby-500);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--slate-300);
    transition: var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    transition: var(--transition-base);
}

.nav-link:hover {
    color: var(--slate-50);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-btn {
    padding: var(--space-2) var(--space-5);
    background: var(--gradient-primary);
    color: white;
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 600;
    transition: var(--transition-base);
    box-shadow: 0 4px 15px rgba(220, 38, 38, 0.3);
}

.nav-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(220, 38, 38, 0.4);
}

/* Mobile Menu */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-2);
    z-index: 1001;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--slate-300);
    border-radius: var(--radius-full);
    transition: var(--transition-base);
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: calc(80px + var(--space-16)) 0 var(--space-16) 0;
    background: var(--gradient-hero);
    overflow: hidden;
}

.hero-bg-elements {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.hero-circle {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
}

.hero-circle-1 {
    width: 600px;
    height: 600px;
    background: rgba(220, 38, 38, 0.08);
    top: -200px;
    right: -100px;
    animation: floatSlow 20s ease-in-out infinite;
}

.hero-circle-2 {
    width: 400px;
    height: 400px;
    background: rgba(127, 29, 29, 0.1);
    bottom: -100px;
    left: -50px;
    animation: floatSlow 25s ease-in-out infinite reverse;
}

.hero-circle-3 {
    width: 300px;
    height: 300px;
    background: rgba(59, 130, 246, 0.04);
    top: 50%;
    left: 50%;
    animation: floatSlow 15s ease-in-out infinite;
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, rgba(0,0,0,0.3) 0%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, rgba(0,0,0,0.3) 0%, transparent 70%);
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: rgba(220, 38, 38, 0.1);
    border: 1px solid rgba(220, 38, 38, 0.2);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    color: var(--ruby-300);
    font-weight: 500;
    margin-bottom: var(--space-6);
    animation: fadeInUp 0.8s ease-out;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background: var(--ruby-500);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    color: var(--slate-50);
    line-height: 1.1;
    margin-bottom: var(--space-6);
    animation: fadeInUp 0.8s ease-out 0.1s both;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--slate-400);
    line-height: 1.8;
    margin-bottom: var(--space-8);
    max-width: 520px;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-cta {
    display: flex;
    gap: var(--space-4);
    margin-bottom: var(--space-12);
    animation: fadeInUp 0.8s ease-out 0.3s both;
}

/* Download Buttons */
.download-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-5);
    border-radius: var(--radius-lg);
    font-weight: 500;
    transition: var(--transition-base);
    border: 1px solid rgba(255,255,255,0.1);
}

.download-btn-ios {
    background: var(--slate-50);
    color: var(--slate-900);
}

.download-btn-ios:hover {
    background: white;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255,255,255,0.15);
}

.download-btn-android {
    background: rgba(255,255,255,0.05);
    color: var(--slate-50);
    border-color: rgba(255,255,255,0.15);
}

.download-btn-android:hover {
    background: rgba(255,255,255,0.1);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255,255,255,0.05);
}

.download-btn-large {
    padding: var(--space-4) var(--space-8);
}

.download-btn-large svg {
    width: 28px;
    height: 28px;
}

.btn-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.btn-label {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    opacity: 0.7;
    font-weight: 400;
}

.btn-store {
    font-size: 1.05rem;
    font-weight: 700;
    line-height: 1.2;
}

.download-btn-large .btn-store {
    font-size: 1.15rem;
}

/* Hero Stats */
.hero-stats {
    display: flex;
    align-items: center;
    gap: var(--space-6);
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-row {
    display: flex;
    align-items: baseline;
    gap: 0;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--slate-50);
    display: inline;
}

.stat-suffix {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--ruby-500);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--slate-500);
    font-weight: 500;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255,255,255,0.1);
}

/* Hero Visual / Mockup */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeInRight 1s ease-out 0.3s both;
}

.large-mockup-wrapper {
    position: relative;
    width: 100%;
    max-width: 800px; /* Increased to allow 700px mockup */
    display: flex;
    justify-content: center; /* Center aligning */
    align-items: center;
    margin: 0 auto;
}

.large-mockup-image {
    width: 100%;
    max-width: 700px; /* Allow image to grow very large */
    height: auto;
    border-radius: var(--radius-2xl);
    filter: drop-shadow(0 25px 50px rgba(0,0,0,0.4));
    animation: float 6s ease-in-out infinite;
    position: relative;
    z-index: 2;
}

/* ========================================
   Trusted By
   ======================================== */
.trusted-by {
    padding: var(--space-12) 0;
    border-top: 1px solid rgba(255,255,255,0.03);
    border-bottom: 1px solid rgba(255,255,255,0.03);
    background: rgba(15, 23, 42, 0.5);
}

.trusted-label {
    text-align: center;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--slate-500);
    margin-bottom: var(--space-8);
    font-weight: 500;
}

.trusted-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-10);
    flex-wrap: wrap;
}

.trust-item {
    font-size: 0.95rem;
    color: var(--slate-500);
    font-weight: 500;
    opacity: 0.6;
    transition: var(--transition-base);
    white-space: nowrap;
}

.trust-item:hover {
    opacity: 1;
    color: var(--slate-300);
}

/* ========================================
   Features Section
   ======================================== */
.features {
    padding: var(--space-24) 0;
    position: relative;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.feature-card {
    position: relative;
    padding: var(--space-8);
    background: rgba(255,255,255,0.02);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: var(--radius-2xl);
    transition: var(--transition-base);
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition-base);
}

.feature-card:hover {
    background: rgba(255,255,255,0.04);
    border-color: rgba(255,255,255,0.1);
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-card-large {
    grid-column: span 1;
    grid-row: span 2;
    display: flex;
    flex-direction: column;
}

.feature-icon-wrap {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-5);
}

.feature-icon-red { background: rgba(220,38,38,0.1); color: var(--ruby-400); }
.feature-icon-blue { background: rgba(59,130,246,0.1); color: var(--blue-500); }
.feature-icon-green { background: rgba(34,197,94,0.1); color: var(--green-500); }
.feature-icon-purple { background: rgba(168,85,247,0.1); color: var(--purple-500); }
.feature-icon-amber { background: rgba(245,158,11,0.1); color: var(--amber-500); }
.feature-icon-teal { background: rgba(20,184,166,0.1); color: var(--teal-500); }
.feature-icon-rose { background: rgba(244,63,94,0.1); color: var(--rose-500); }
.feature-icon-indigo { background: rgba(99,102,241,0.1); color: var(--indigo-500); }

.feature-title {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--slate-100);
    margin-bottom: var(--space-3);
}

.feature-desc {
    font-size: 0.9rem;
    color: var(--slate-400);
    line-height: 1.7;
}

.feature-list {
    margin-top: var(--space-6);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: 0.85rem;
    color: var(--slate-300);
}

.feature-list li::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--ruby-500);
    flex-shrink: 0;
}

/* Feature Showcase — alternating mockup + text */
.feature-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
    padding: var(--space-16) 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.feature-showcase:last-of-type {
    border-bottom: none;
}

.feature-showcase-reverse {
    direction: rtl;
}

.feature-showcase-reverse > * {
    direction: ltr;
}

.feature-showcase-content {
    display: flex;
    flex-direction: column;
}

.showcase-title {
    font-family: var(--font-display);
    font-size: 1.85rem;
    font-weight: 700;
    color: var(--slate-50);
    margin-bottom: var(--space-4);
    letter-spacing: -0.02em;
}

.showcase-desc {
    font-size: 1.05rem;
    color: var(--slate-400);
    line-height: 1.8;
    margin-bottom: var(--space-6);
}

.showcase-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    list-style: none;
    padding: 0;
    margin: 0;
}

.showcase-list li {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: 0.95rem;
    color: var(--slate-300);
    line-height: 1.5;
}

.showcase-list li svg {
    flex-shrink: 0;
}

.feature-showcase-mockup {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.feature-showcase-mockup img {
    width: 100%;
    max-width: 420px;
    height: auto;
    border-radius: var(--radius-2xl);
    position: relative;
    z-index: 1;
    filter: drop-shadow(0 25px 50px rgba(0,0,0,0.4));
    transition: transform 0.5s ease;
}

.feature-showcase-mockup:hover img {
    transform: scale(1.03) translateY(-8px);
}

.showcase-mockup-glow {
    position: absolute;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(220,38,38,0.12) 0%, transparent 70%);
    filter: blur(60px);
    z-index: 0;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

/* Compact Feature Grid */
.features-compact-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-5);
    margin-top: var(--space-16);
    padding-top: var(--space-16);
    border-top: 1px solid rgba(255,255,255,0.05);
}

.feature-card-compact {
    position: relative;
    padding: var(--space-6);
    background: rgba(255,255,255,0.02);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: var(--radius-xl);
    transition: var(--transition-base);
    overflow: hidden;
}

.feature-card-compact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition-base);
}

.feature-card-compact:hover {
    background: rgba(255,255,255,0.04);
    border-color: rgba(255,255,255,0.1);
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.feature-card-compact:hover::before {
    opacity: 1;
}

/* Reveal animations */
.reveal-left,
.reveal-right {
    opacity: 0;
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-left {
    transform: translateX(-40px);
}

.reveal-right {
    transform: translateX(40px);
}

.reveal-left.revealed,
.reveal-right.revealed {
    opacity: 1;
    transform: translateX(0);
}

/* ========================================
   How It Works
   ======================================== */
.how-it-works {
    padding: var(--space-24) 0;
    background: rgba(15, 23, 42, 0.5);
    position: relative;
}

.steps-container {
    max-width: 700px;
    margin: 0 auto;
}

.step-card {
    display: flex;
    align-items: flex-start;
    gap: var(--space-6);
    padding: var(--space-8);
    background: rgba(255,255,255,0.02);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: var(--radius-2xl);
    transition: var(--transition-base);
    position: relative;
}

.step-card:hover {
    background: rgba(255,255,255,0.04);
    border-color: rgba(220, 38, 38, 0.2);
    transform: translateX(8px);
}

.step-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: rgba(220, 38, 38, 0.15);
    line-height: 1;
    flex-shrink: 0;
    min-width: 60px;
}

.step-content h3 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--slate-100);
    margin-bottom: var(--space-2);
}

.step-content p {
    font-size: 0.9rem;
    color: var(--slate-400);
    line-height: 1.7;
}

.step-icon {
    position: absolute;
    right: var(--space-8);
    top: 50%;
    transform: translateY(-50%);
    opacity: 0.3;
    color: var(--slate-500);
    transition: var(--transition-base);
}

.step-card:hover .step-icon {
    opacity: 0.6;
}

.step-connector {
    display: flex;
    justify-content: center;
    padding: var(--space-2) 0;
}

/* ========================================
   Who It's For
   ======================================== */
.for-who {
    padding: var(--space-24) 0;
}

.persona-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.persona-card {
    padding: var(--space-8);
    background: rgba(255,255,255,0.02);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: var(--radius-2xl);
    transition: var(--transition-base);
    text-align: center;
}

.persona-card:hover {
    background: rgba(255,255,255,0.04);
    border-color: rgba(255,255,255,0.1);
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
}

.persona-avatar {
    width: 72px;
    height: 72px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-5);
}

.persona-avatar-patient {
    background: linear-gradient(135deg, rgba(220,38,38,0.15), rgba(220,38,38,0.05));
    color: var(--ruby-400);
}

.persona-avatar-specialist {
    background: linear-gradient(135deg, rgba(59,130,246,0.15), rgba(59,130,246,0.05));
    color: var(--blue-500);
}

.persona-avatar-hospital {
    background: linear-gradient(135deg, rgba(34,197,94,0.15), rgba(34,197,94,0.05));
    color: var(--green-500);
}

.persona-card h3 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--slate-100);
    margin-bottom: var(--space-3);
}

.persona-card > p {
    font-size: 0.9rem;
    color: var(--slate-400);
    margin-bottom: var(--space-6);
    line-height: 1.7;
}

.persona-features {
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.persona-features li {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: 0.85rem;
    color: var(--slate-300);
}

.persona-features li::before {
    content: '✓';
    color: var(--green-500);
    font-weight: 700;
    font-size: 0.75rem;
    flex-shrink: 0;
}

/* ========================================
   Impact / Stats Section
   ======================================== */
.impact-section {
    padding: var(--space-16) 0;
    background: rgba(220, 38, 38, 0.03);
    border-top: 1px solid rgba(220, 38, 38, 0.08);
    border-bottom: 1px solid rgba(220, 38, 38, 0.08);
}

.impact-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
}

.impact-card {
    text-align: center;
    padding: var(--space-8) var(--space-4);
}

.impact-stat-row {
    display: flex;
    justify-content: center;
    align-items: baseline;
    gap: 2px;
}

.impact-number {
    font-family: var(--font-display);
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--slate-50);
}

.impact-suffix {
    font-family: var(--font-display);
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--ruby-500);
}

.impact-label {
    font-size: 0.9rem;
    color: var(--slate-400);
    margin-top: var(--space-2);
}

/* ========================================
   FAQ Section
   ======================================== */
.faq-section {
    padding: var(--space-24) 0;
}

.faq-container {
    max-width: 750px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.faq-item {
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: var(--transition-base);
    background: rgba(255,255,255,0.02);
}

.faq-item:hover {
    border-color: rgba(255,255,255,0.1);
}

.faq-item.active {
    border-color: rgba(220, 38, 38, 0.2);
    background: rgba(220, 38, 38, 0.03);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-5) var(--space-6);
    background: none;
    border: none;
    cursor: pointer;
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 500;
    color: var(--slate-200);
    text-align: left;
    transition: var(--transition-fast);
}

.faq-question:hover {
    color: var(--slate-50);
}

.faq-chevron {
    flex-shrink: 0;
    transition: var(--transition-base);
    color: var(--slate-500);
}

.faq-item.active .faq-chevron {
    transform: rotate(180deg);
    color: var(--ruby-500);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow), padding var(--transition-slow);
}

.faq-item.active .faq-answer {
    max-height: 300px;
}

.faq-answer p {
    padding: 0 var(--space-6) var(--space-6);
    font-size: 0.9rem;
    color: var(--slate-400);
    line-height: 1.8;
}

/* ========================================
   CTA Section
   ======================================== */
.cta-section {
    padding: var(--space-24) 0;
}

.cta-card {
    position: relative;
    padding: var(--space-16) var(--space-8);
    background: var(--gradient-primary);
    border-radius: var(--radius-3xl);
    text-align: center;
    overflow: hidden;
}

.cta-bg-pattern {
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(255,255,255,0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(255,255,255,0.05) 0%, transparent 50%);
}

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

.cta-content h2 {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    font-weight: 700;
    color: white;
    margin-bottom: var(--space-4);
    line-height: 1.2;
}

.cta-content p {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.8);
    max-width: 550px;
    margin: 0 auto var(--space-8);
    line-height: 1.7;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
    flex-wrap: wrap;
}

.cta-buttons .download-btn-ios {
    background: white;
    color: var(--slate-900);
}

.cta-buttons .download-btn-ios:hover {
    box-shadow: 0 8px 30px rgba(0,0,0,0.2);
}

.cta-buttons .download-btn-android {
    background: rgba(255,255,255,0.15);
    color: white;
    border-color: rgba(255,255,255,0.3);
}

.cta-buttons .download-btn-android:hover {
    background: rgba(255,255,255,0.25);
}

/* ========================================
   Footer
   ======================================== */
.footer {
    padding: var(--space-16) 0 0;
    background: rgba(2, 6, 23, 0.8);
    border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: var(--space-10);
    padding-bottom: var(--space-12);
}

.footer-desc {
    font-size: 0.9rem;
    color: var(--slate-500);
    margin-top: var(--space-4);
    line-height: 1.7;
    max-width: 300px;
}

.footer-socials {
    display: flex;
    gap: var(--space-3);
    margin-top: var(--space-6);
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background: rgba(255,255,255,0.05);
    color: var(--slate-400);
    transition: var(--transition-base);
    border: 1px solid rgba(255,255,255,0.06);
}

.social-link:hover {
    background: rgba(220, 38, 38, 0.1);
    color: var(--ruby-400);
    border-color: rgba(220, 38, 38, 0.2);
    transform: translateY(-2px);
}

.footer-col h4 {
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--slate-200);
    margin-bottom: var(--space-5);
}

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer-col a {
    font-size: 0.9rem;
    color: var(--slate-500);
    transition: var(--transition-fast);
}

.footer-col a:hover {
    color: var(--ruby-400);
}

.contact-list li {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    color: var(--slate-500);
    font-size: 0.9rem;
}

.contact-list svg {
    flex-shrink: 0;
    opacity: 0.5;
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-6) 0;
    border-top: 1px solid rgba(255,255,255,0.05);
    font-size: 0.85rem;
    color: var(--slate-600);
}

.footer-legal {
    display: flex;
    gap: var(--space-6);
}

.footer-legal a {
    color: var(--slate-500);
    transition: var(--transition-fast);
}

.footer-legal a:hover {
    color: var(--ruby-400);
}

/* ========================================
   Modals
   ======================================== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-6);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--slate-900);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-2xl);
    max-width: 640px;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto;
    padding: var(--space-8);
    transform: translateY(20px);
    transition: transform var(--transition-base);
    position: relative;
}

.modal-overlay.active .modal {
    transform: translateY(0);
}

.modal-close {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-md);
    color: var(--slate-400);
    font-size: 1.4rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.modal-close:hover {
    background: rgba(220, 38, 38, 0.1);
    color: var(--ruby-400);
}

.modal h2 {
    font-family: var(--font-display);
    font-size: 1.6rem;
    color: var(--slate-50);
    margin-bottom: var(--space-6);
    padding-right: var(--space-10);
}

.modal-content h3 {
    font-family: var(--font-display);
    font-size: 1.05rem;
    color: var(--slate-200);
    margin-top: var(--space-6);
    margin-bottom: var(--space-2);
}

.modal-content p {
    font-size: 0.9rem;
    color: var(--slate-400);
    line-height: 1.8;
}

.modal-content a {
    color: var(--ruby-400);
    text-decoration: underline;
}

/* Scrollbar for modal */
.modal::-webkit-scrollbar {
    width: 6px;
}

.modal::-webkit-scrollbar-track {
    background: transparent;
}

.modal::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.1);
    border-radius: var(--radius-full);
}

/* ========================================
   Animations
   ======================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        box-shadow: 0 0 0 0 rgba(220, 38, 38, 0.4);
    }
    50% {
        opacity: 0.8;
        box-shadow: 0 0 0 6px rgba(220, 38, 38, 0);
    }
}

@keyframes floatSlow {
    0%, 100% { transform: translate(0, 0); }
    33% { transform: translate(30px, -30px); }
    66% { transform: translate(-20px, 20px); }
}

@keyframes floatCard {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes glow {
    0% { opacity: 0.4; }
    100% { opacity: 0.8; }
}

/* Scroll reveal */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-subtitle {
        margin: 0 auto var(--space-8);
    }

    .hero-cta {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-visual {
        order: -1;
        margin-bottom: var(--space-8);
    }

    .large-mockup-wrapper {
        max-width: 420px;
        margin: 0 auto;
    }

    .feature-showcase {
        grid-template-columns: 1fr;
        gap: var(--space-10);
        padding: var(--space-12) 0;
        text-align: center;
    }

    .feature-showcase-reverse {
        direction: ltr;
    }

    .feature-showcase-content {
        align-items: center;
    }

    .showcase-list li {
        justify-content: center;
    }

    .feature-showcase-mockup img {
        max-width: 340px;
    }

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

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

    .feature-card-large {
        grid-column: span 1;
        grid-row: span 1;
    }

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

    .persona-card:last-child {
        grid-column: span 2;
        max-width: 400px;
        margin: 0 auto;
    }

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

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

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: rgba(15, 23, 42, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 100px var(--space-8) var(--space-8);
        gap: var(--space-6);
        transition: var(--transition-base);
        border-left: 1px solid rgba(255,255,255,0.05);
    }

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

    .mobile-menu-btn {
        display: flex;
    }

    .hero {
        padding-top: calc(80px + var(--space-8));
    }

    .hero-title {
        font-size: clamp(2rem, 7vw, 3rem);
    }

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

    .download-btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }

    .hero-stats {
        flex-direction: column;
        gap: var(--space-4);
    }

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

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

    .features-compact-grid {
        grid-template-columns: 1fr 1fr;
    }

    .feature-showcase {
        padding: var(--space-10) 0;
    }

    .feature-showcase-mockup img {
        max-width: 280px;
    }

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

    .persona-card:last-child {
        grid-column: span 1;
        max-width: 100%;
    }

    .impact-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-4);
    }

    .step-card {
        flex-direction: column;
        gap: var(--space-4);
        padding: var(--space-6);
    }

    .step-icon {
        position: static;
        transform: none;
        opacity: 0.2;
        margin-top: var(--space-3);
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--space-4);
        text-align: center;
    }

    .footer-legal {
        flex-wrap: wrap;
        justify-content: center;
    }

    .cta-card {
        padding: var(--space-10) var(--space-6);
    }

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

    .cta-buttons .download-btn {
        width: 100%;
        max-width: 280px;
    }

    .trusted-logos {
        gap: var(--space-6);
    }

    .floating-card {
        display: none;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-4);
    }

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

    .impact-number, .impact-suffix {
        font-size: 1.8rem;
    }
}