/* 
   Lumina Skin - Luxury Skincare Brand Design System
   Scientific. Premium. Minimal. Apple-inspired.
*/

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Outfit:wght@300;400;500;600;700&display=swap');

:root {
    /* Color Palette */
    --color-bg: #fafbfa;
    --color-white: #ffffff;
    --color-primary-mint: #eef9f5;
    --color-mint-glow: #dcf5ec;
    --color-sage: #8cbfa9;
    --color-sage-hover: #71a992;
    --color-sage-dark: #375f4e;
    --color-charcoal: #252827;
    --color-charcoal-muted: #6b706d;
    --color-border: rgba(140, 191, 169, 0.18);
    --color-glass-bg: rgba(255, 255, 255, 0.72);
    --color-glass-border: rgba(255, 255, 255, 0.5);
    
    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Layout & Shadow constants */
    --shadow-premium: 0 12px 40px -10px rgba(55, 95, 78, 0.08), 0 2px 8px -2px rgba(55, 95, 78, 0.04);
    --shadow-glass: 0 8px 32px 0 rgba(140, 191, 169, 0.08);
    --radius-card: 24px;
    --radius-pill: 100px;
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reset and Global Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-family: var(--font-body);
    background-color: var(--color-bg);
    color: var(--color-charcoal);
    -webkit-font-smoothing: antialiased;
}

body {
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-charcoal);
    font-weight: 500;
    letter-spacing: -0.02em;
}

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

button {
    font-family: var(--font-body);
    border: none;
    outline: none;
    cursor: pointer;
    background: none;
}

/* Header & Navigation */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(250, 251, 250, 0.75);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
}

.logo {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 600;
    color: var(--color-sage-dark);
    letter-spacing: -0.01em;
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo span {
    font-weight: 300;
    color: var(--color-charcoal);
}

.logo-dot {
    width: 8px;
    height: 8px;
    background-color: var(--color-sage);
    border-radius: 50%;
    display: inline-block;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 32px;
    align-items: center;
}

nav ul li a {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-charcoal-muted);
}

nav ul li a:hover {
    color: var(--color-sage-dark);
}

.nav-cta {
    background-color: var(--color-sage-dark);
    color: var(--color-white) !important;
    padding: 10px 20px;
    border-radius: var(--radius-pill);
    font-size: 13px !important;
    font-weight: 500;
    box-shadow: 0 4px 12px rgba(55, 95, 78, 0.15);
}

.nav-cta:hover {
    background-color: var(--color-sage);
    transform: translateY(-2px);
}

/* Glassmorphism Card Style */
.glass-card {
    background: var(--color-glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--color-glass-border);
    box-shadow: var(--shadow-glass);
    border-radius: var(--radius-card);
    padding: 32px;
    transition: var(--transition-smooth);
}

.glass-card:hover {
    box-shadow: var(--shadow-premium);
    transform: translateY(-2px);
}

/* Buttons */
.btn-primary {
    background: linear-gradient(135deg, var(--color-sage-dark), #2a4c3e);
    color: var(--color-white);
    padding: 16px 32px;
    border-radius: var(--radius-pill);
    font-size: 16px;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 10px 25px -5px rgba(55, 95, 78, 0.25);
    transition: var(--transition-smooth);
}

.btn-primary:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 15px 30px -5px rgba(55, 95, 78, 0.35);
    background: linear-gradient(135deg, var(--color-sage), var(--color-sage-dark));
}

.btn-secondary {
    background: var(--color-white);
    color: var(--color-sage-dark);
    border: 1px solid var(--color-sage);
    padding: 15px 32px;
    border-radius: var(--radius-pill);
    font-size: 16px;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: var(--transition-smooth);
}

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

/* Main Content Padding */
main.main-padding {
    padding-top: 100px;
}

/* SECTION STRUCTURE */
section {
    padding: 100px 24px;
    max-width: 1200px;
    margin: 0 auto;
}

.section-tag {
    font-family: var(--font-heading);
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-sage);
    margin-bottom: 12px;
    display: block;
}

.section-title {
    font-size: 40px;
    font-weight: 500;
    margin-bottom: 24px;
    line-height: 1.15;
}

.section-subtitle {
    font-size: 18px;
    color: var(--color-charcoal-muted);
    max-width: 600px;
    line-height: 1.6;
    margin-bottom: 48px;
}

/* HERO SECTION */
.hero {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
    align-items: center;
    min-height: calc(100vh - 100px);
    padding-top: 40px;
    padding-bottom: 40px;
}

.hero-content h1 {
    font-size: 64px;
    line-height: 1.1;
    font-weight: 500;
    margin-bottom: 24px;
    background: linear-gradient(135deg, var(--color-charcoal), var(--color-sage-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content p {
    font-size: 20px;
    line-height: 1.6;
    color: var(--color-charcoal-muted);
    margin-bottom: 40px;
    font-weight: 300;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-visuals {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-circle-bg {
    position: absolute;
    width: 100%;
    height: 100%;
    max-width: 420px;
    max-height: 420px;
    background: radial-gradient(circle, var(--color-mint-glow) 0%, rgba(250, 251, 250, 0) 70%);
    z-index: -1;
}

.hero-preview-card {
    width: 100%;
    max-width: 380px;
    border-radius: var(--radius-card);
    overflow: hidden;
    position: relative;
    box-shadow: var(--shadow-premium);
    border: 1px solid rgba(255, 255, 255, 0.8);
    aspect-ratio: 4/5;
}

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

.hero-scanner-line {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, rgba(140, 191, 169, 0), var(--color-sage), rgba(140, 191, 169, 0));
    animation: scan 3.5s ease-in-out infinite;
    box-shadow: 0 0 15px var(--color-sage);
}

/* FEATURES & HOW IT WORKS */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.feature-card {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.feature-icon {
    width: 48px;
    height: 48px;
    background-color: var(--color-primary-mint);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-sage-dark);
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 500;
}

.feature-card p {
    color: var(--color-charcoal-muted);
    line-height: 1.6;
    font-size: 15px;
    font-weight: 300;
}

.steps-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 32px;
}

.step-card {
    position: relative;
}

.step-number {
    font-family: var(--font-heading);
    font-size: 56px;
    font-weight: 300;
    color: rgba(140, 191, 169, 0.25);
    line-height: 1;
    margin-bottom: 12px;
}

.step-card h3 {
    font-size: 18px;
    margin-bottom: 8px;
}

.step-card p {
    font-size: 14px;
    color: var(--color-charcoal-muted);
    line-height: 1.6;
}

/* UPLOAD SYSTEM */
.upload-wrapper {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.upload-zone {
    border: 2px dashed rgba(140, 191, 169, 0.4);
    border-radius: var(--radius-card);
    background: var(--color-white);
    padding: 60px 40px;
    transition: var(--transition-smooth);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.upload-zone:hover, .upload-zone.dragover {
    border-color: var(--color-sage);
    background-color: var(--color-primary-mint);
}

.upload-icon {
    font-size: 48px;
    color: var(--color-sage);
    margin-bottom: 24px;
    display: inline-block;
}

.upload-text {
    font-size: 16px;
    color: var(--color-charcoal);
    margin-bottom: 12px;
    font-weight: 400;
}

.upload-subtext {
    font-size: 13px;
    color: var(--color-charcoal-muted);
    margin-bottom: 24px;
}

.upload-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.camera-preview-container {
    width: 100%;
    max-width: 480px;
    margin: 0 auto;
    border-radius: var(--radius-card);
    overflow: hidden;
    position: relative;
    box-shadow: var(--shadow-premium);
    display: none;
    aspect-ratio: 4/3;
    background-color: #000;
}

.camera-stream {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.camera-controls {
    position: absolute;
    bottom: 20px;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: center;
    gap: 16px;
    z-index: 10;
}

.btn-capture {
    width: 60px;
    height: 60px;
    background: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
    font-size: 20px;
    color: var(--color-sage-dark);
}

.btn-capture:hover {
    transform: scale(1.1);
}

.image-preview-wrapper {
    display: none;
    position: relative;
    max-width: 360px;
    margin: 20px auto;
    border-radius: var(--radius-card);
    overflow: hidden;
    box-shadow: var(--shadow-premium);
}

.img-preview {
    width: 100%;
    display: block;
    aspect-ratio: 4/5;
    object-fit: cover;
}

.scan-overlay-glowing {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background: rgba(140, 191, 169, 0.15);
    display: none;
}

.scanner-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 180px;
    height: 180px;
    border: 2px solid var(--color-sage);
    border-radius: 50%;
    box-shadow: 0 0 20px var(--color-sage);
    animation: pulseGlow 2s infinite ease-in-out;
}

/* ANALYSIS LOADING SCREEN */
.analysis-loading {
    display: none;
    text-align: center;
    padding: 60px 20px;
}

.loading-circle-container {
    position: relative;
    width: 160px;
    height: 160px;
    margin: 0 auto 32px;
}

.loading-svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.loading-svg-bg {
    fill: none;
    stroke: var(--color-primary-mint);
    stroke-width: 4;
}

.loading-svg-progress {
    fill: none;
    stroke: var(--color-sage);
    stroke-width: 4;
    stroke-linecap: round;
    stroke-dasharray: 440;
    stroke-dashoffset: 440;
    transition: stroke-dashoffset 0.5s ease;
}

.loading-logo {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 24px;
    color: var(--color-sage-dark);
}

.progress-text {
    font-family: var(--font-heading);
    font-size: 24px;
    margin-bottom: 8px;
    font-weight: 500;
}

.progress-status-msg {
    color: var(--color-charcoal-muted);
    font-size: 15px;
    min-height: 24px;
    margin-bottom: 40px;
}

/* USER DETAILS FORM */
.details-form-container {
    display: none;
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 24px;
    text-align: left;
}

.form-group label {
    font-family: var(--font-heading);
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 8px;
    display: block;
    color: var(--color-charcoal);
}

.gender-options, .skin-type-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
    gap: 12px;
}

.selector-option {
    border: 1px solid rgba(140, 191, 169, 0.3);
    background: var(--color-white);
    padding: 14px;
    border-radius: 16px;
    text-align: center;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.selector-option:hover {
    border-color: var(--color-sage);
    background-color: var(--color-primary-mint);
}

.selector-option.selected {
    border-color: var(--color-sage-dark);
    background-color: var(--color-sage-dark);
    color: var(--color-white);
}

input[type="number"], input[type="text"], select, textarea {
    width: 100%;
    padding: 14px 18px;
    border-radius: 14px;
    border: 1px solid rgba(140, 191, 169, 0.3);
    font-family: var(--font-body);
    font-size: 15px;
    outline: none;
    background: var(--color-white);
    transition: var(--transition-smooth);
}

input[type="number"]:focus, input[type="text"]:focus, select:focus, textarea:focus {
    border-color: var(--color-sage);
    box-shadow: 0 0 0 3px rgba(140, 191, 169, 0.12);
}

.concerns-checkbox-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 12px;
}

.concern-checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    border: 1px solid rgba(140, 191, 169, 0.2);
    background: var(--color-white);
    padding: 12px 14px;
    border-radius: 14px;
    font-size: 13px;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.concern-checkbox-label:hover {
    background-color: var(--color-primary-mint);
}

.concern-checkbox-label input[type="checkbox"] {
    accent-color: var(--color-sage-dark);
    width: 16px;
    height: 16px;
}

/* RESULTS DASHBOARD */
.results-container {
    display: grid;
    grid-template-columns: 0.95fr 1.05fr;
    gap: 40px;
    align-items: start;
    margin-bottom: 56px;
}

.results-image-frame {
    width: 100%;
    border-radius: var(--radius-card);
    overflow: hidden;
    box-shadow: var(--shadow-premium);
    border: 1px solid rgba(255, 255, 255, 0.8);
    position: relative;
    aspect-ratio: 4/5;
}

.results-image-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.results-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: rgba(55, 95, 78, 0.85);
    color: var(--color-white);
    backdrop-filter: blur(8px);
    padding: 8px 16px;
    border-radius: var(--radius-pill);
    font-family: var(--font-heading);
    font-size: 13px;
    font-weight: 500;
}

.skin-score-card {
    display: flex;
    align-items: center;
    gap: 24px;
    margin-bottom: 24px;
}

.skin-score-circle {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-sage-dark), var(--color-sage));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-family: var(--font-heading);
    box-shadow: 0 8px 24px rgba(55, 95, 78, 0.18);
}

.skin-score-value {
    font-size: 36px;
    font-weight: 600;
}

.skin-score-label {
    font-size: 13px;
    opacity: 0.85;
}

.score-details h3 {
    font-size: 24px;
    margin-bottom: 4px;
}

.score-details p {
    color: var(--color-charcoal-muted);
    font-size: 14px;
}

.subscores-list {
    margin-top: 24px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.subscore-item {
    text-align: left;
}

.subscore-header {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 6px;
}

.subscore-bar-bg {
    height: 6px;
    background: rgba(140, 191, 169, 0.15);
    border-radius: var(--radius-pill);
    overflow: hidden;
}

.subscore-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-sage), var(--color-sage-dark));
    border-radius: var(--radius-pill);
}

/* ROUTINE SECTION */
.routine-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    margin-bottom: 56px;
}

.routine-card h3 {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 22px;
    margin-bottom: 24px;
    color: var(--color-sage-dark);
}

.routine-steps {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.routine-step {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.step-bullet {
    width: 24px;
    height: 24px;
    background: var(--color-primary-mint);
    border: 1px solid var(--color-border);
    color: var(--color-sage-dark);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 600;
    flex-shrink: 0;
}

.step-text {
    font-size: 15px;
    line-height: 1.5;
    color: var(--color-charcoal);
}

.ingredients-badges {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 14px;
}

.badge {
    padding: 6px 14px;
    border-radius: var(--radius-pill);
    font-size: 13px;
    font-weight: 500;
}

.badge-use {
    background-color: var(--color-primary-mint);
    color: var(--color-sage-dark);
    border: 1px solid var(--color-border);
}

.badge-avoid {
    background-color: #fbeee9;
    color: #c95d43;
    border: 1px solid rgba(201, 93, 67, 0.15);
}

/* RECOMMENDED PRODUCTS CAROUSEL */
.products-carousel {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 24px;
    margin-top: 32px;
}

.product-item {
    background: var(--color-white);
    border-radius: 20px;
    border: 1px solid var(--color-border);
    overflow: hidden;
    text-align: center;
    display: flex;
    flex-direction: column;
    transition: var(--transition-smooth);
}

.product-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-premium);
}

.product-image-container {
    width: 100%;
    aspect-ratio: 1;
    background: var(--color-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

.product-image-placeholder {
    width: 60%;
    height: 60%;
    background: linear-gradient(135deg, #dcf5ec, #aedbc8);
    border-radius: 12px;
    opacity: 0.65;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--color-sage-dark);
}

.product-item-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-info {
    padding: 20px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.product-type {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-sage);
    margin-bottom: 6px;
    font-weight: 600;
}

.product-title {
    font-family: var(--font-heading);
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 10px;
    color: var(--color-charcoal);
    line-height: 1.3;
}

.product-desc {
    font-size: 13px;
    color: var(--color-charcoal-muted);
    line-height: 1.5;
    font-weight: 300;
}

/* FAQ ACCORDION */
.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--color-border);
    padding: 24px 0;
}

.faq-question {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 500;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    color: var(--color-charcoal-muted);
    line-height: 1.6;
    font-size: 14px;
    margin-top: 0;
}

.faq-answer p {
    padding-top: 14px;
}

.faq-item.active .faq-answer {
    max-height: 200px;
}

.faq-toggle-icon {
    font-size: 20px;
    color: var(--color-sage);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-toggle-icon {
    transform: rotate(45deg);
}

/* ADMIN PANEL STYLING */
.admin-tabs {
    display: flex;
    gap: 16px;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 32px;
}

.admin-tab {
    padding: 12px 24px;
    font-family: var(--font-heading);
    font-size: 16px;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    color: var(--color-charcoal-muted);
}

.admin-tab.active {
    border-color: var(--color-sage-dark);
    color: var(--color-sage-dark);
    font-weight: 500;
}

.admin-panel-section {
    display: none;
}

.admin-panel-section.active {
    display: block;
}

.data-table-wrapper {
    overflow-x: auto;
    margin-top: 20px;
    border-radius: var(--radius-card);
    border: 1px solid var(--color-border);
}

table.admin-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--color-white);
    text-align: left;
}

table.admin-table th, table.admin-table td {
    padding: 16px 20px;
    border-bottom: 1px solid var(--color-border);
    font-size: 14px;
}

table.admin-table th {
    background-color: var(--color-primary-mint);
    color: var(--color-sage-dark);
    font-family: var(--font-heading);
    font-weight: 500;
}

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

.btn-delete {
    color: #c95d43;
    font-size: 13px;
    font-weight: 500;
}

.btn-delete:hover {
    text-decoration: underline;
}

/* FOOTER */
footer {
    background-color: var(--color-primary-mint);
    border-top: 1px solid var(--color-border);
    padding: 64px 24px;
}

.footer-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
}

.footer-col h4 {
    font-size: 16px;
    margin-bottom: 20px;
    color: var(--color-sage-dark);
}

.footer-col ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-col ul li a {
    font-size: 14px;
    color: var(--color-charcoal-muted);
}

.footer-col ul li a:hover {
    color: var(--color-sage-dark);
}

.footer-bottom {
    max-width: 1200px;
    margin: 40px auto 0;
    padding-top: 24px;
    border-top: 1px solid rgba(140, 191, 169, 0.2);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    color: var(--color-charcoal-muted);
    flex-wrap: wrap;
    gap: 16px;
}

/* KEYFRAME ANIMATIONS */
@keyframes scan {
    0%, 100% {
        top: 0%;
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        top: 100%;
        opacity: 0;
    }
}

@keyframes pulseGlow {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        box-shadow: 0 0 15px rgba(140, 191, 169, 0.4);
    }
    50% {
        transform: translate(-50%, -50%) scale(1.08);
        box-shadow: 0 0 30px rgba(140, 191, 169, 0.7);
    }
}

/* RESPONSIVE MEDIA QUERIES */
@media (max-width: 992px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 32px;
    }
    .hero-content h1 {
        font-size: 48px;
    }
    .hero-actions {
        justify-content: center;
    }
    .results-container {
        grid-template-columns: 1fr;
    }
    .results-image-frame {
        max-width: 480px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .section-title {
        font-size: 32px;
    }
    .routine-grid {
        grid-template-columns: 1fr;
    }
    nav ul {
        display: none; /* Mobile hamburger could be built if desired, keeping minimal */
    }
}