/* ==========================================================================
   ISHT TARA DESIGN SYSTEM & STYLING (REFINED SANCTUARY EDITION)
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Root Variables & Reset
   -------------------------------------------------------------------------- */
:root {
    /* Fonts */
    --font-serif: 'Cormorant Garamond', Georgia, serif;
    --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Colors - Calm Sanctuary Palette */
    --color-bg-primary: #F8F3EA;      /* Warm Ivory Background */
    --color-bg-secondary: #F2ECE2;    /* Soft Cream Background */
    --color-bg-card: #ffffff;
    
    --color-text-primary: #2F3E5E;    /* Deep Indigo Primary Text */
    --color-text-secondary: #5B6678;  /* Slate Blue Secondary Text */
    --color-text-muted: #7A8799;      /* Muted Slate Gray */
    
    --color-accent-gold: #C8A063;      /* Muted Antique Gold Accent */
    --color-accent-gold-hover: #A98347;
    --color-accent-gold-light: #F7F1E7;
    
    --color-accent-sage: #889C88;      /* Soft Sage Green Accent */
    --color-accent-sage-hover: #6A7E6A;
    --color-accent-sage-light: #EBEFEB;
    
    --color-accent-lavender: #BEB7C6;  /* Dusty Lavender Supporting Accent */
    --color-accent-lavender-light: #F3F1F5;
    
    --color-border: #DDD2C4;          /* Light Sand Border Color */
    --color-border-hover: #C5B9A9;
    
    --color-error-bg: #FAF0EE;
    --color-error-text: #B94A3E;
    --color-error-border: #E8D0CC;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(47, 62, 94, 0.02);
    --shadow-md: 0 4px 20px -4px rgba(47, 62, 94, 0.04), 0 2px 8px -2px rgba(47, 62, 94, 0.03);
    --shadow-lg: 0 16px 36px -8px rgba(47, 62, 94, 0.05), 0 4px 16px -4px rgba(47, 62, 94, 0.04);
    --shadow-premium: 0 30px 70px -15px rgba(200, 160, 99, 0.1);
    
    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-normal: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    
    /* Layout Constants */
    --navbar-height: 80px;
    --container-width: 1200px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--color-bg-primary);
    color: var(--color-text-secondary);
}

body {
    font-family: var(--font-sans);
    line-height: 1.7;
    overflow-x: hidden;
    position: relative;
    -webkit-font-smoothing: antialiased;
}

/* --------------------------------------------------------------------------
   2. Typography & Layout Elements
   -------------------------------------------------------------------------- */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 32px;
}

h1, h2, h3, h4 {
    font-family: var(--font-serif);
    color: var(--color-text-primary);
    font-weight: 400;
    line-height: 1.25;
    letter-spacing: -0.01em;
}

p {
    font-weight: 400;
    color: var(--color-text-secondary);
}

.accent-text {
    color: var(--color-accent-gold-hover);
}

.section-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 70px auto;
}

.section-tag {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-accent-sage-hover);
    background: var(--color-accent-sage-light);
    padding: 5px 14px;
    border-radius: 99px;
    margin-bottom: 18px;
}

.section-title {
    font-size: 44px;
    margin-bottom: 20px;
    font-weight: 400;
}

.section-subtitle {
    font-size: 19px;
    color: var(--color-text-muted);
    font-family: var(--font-serif);
    font-style: italic;
    line-height: 1.5;
}

/* Generous Whitespace between sections */
section {
    padding: 140px 0;
}

/* --------------------------------------------------------------------------
   3. Subtle Ambient Glow Patrons
   -------------------------------------------------------------------------- */
.glow-bg {
    position: absolute;
    border-radius: 50%;
    filter: blur(150px);
    z-index: -1;
    pointer-events: none;
    opacity: 0.22;
}

.glow-gold {
    width: 550px;
    height: 550px;
    top: 5%;
    left: -150px;
    background: radial-gradient(circle, rgba(200, 160, 99, 0.15) 0%, rgba(255,255,255,0) 70%);
}

.glow-sage {
    width: 600px;
    height: 600px;
    top: 35%;
    right: -200px;
    background: radial-gradient(circle, rgba(136, 156, 136, 0.15) 0%, rgba(255,255,255,0) 70%);
}

.glow-lavender {
    width: 500px;
    height: 500px;
    top: 65%;
    left: 20%;
    background: radial-gradient(circle, rgba(190, 183, 198, 0.12) 0%, rgba(255,255,255,0) 70%);
}

/* --------------------------------------------------------------------------
   4. Elegant Peacock Feather Divider
   -------------------------------------------------------------------------- */
.peacock-divider-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    margin: 20px 0;
}

.peacock-divider {
    opacity: 0.8;
}

/* --------------------------------------------------------------------------
   5. Buttons (Rounded & Premium)
   -------------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-sans);
    font-size: 14px;
    font-weight: 600;
    padding: 12px 28px;
    border-radius: 30px;
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition-fast);
}

.btn-primary {
    background-color: var(--color-accent-gold);
    color: var(--color-bg-primary);
    box-shadow: 0 4px 14px rgba(200, 160, 99, 0.15);
}

.btn-primary:hover {
    background-color: var(--color-accent-gold-hover);
    transform: translateY(-1.5px);
    box-shadow: 0 6px 18px rgba(169, 131, 71, 0.25);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-text-primary);
    border-color: var(--color-border);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background-color: var(--color-bg-secondary);
    border-color: var(--color-border-hover);
    transform: translateY(-1.5px);
}

.btn-large {
    padding: 15px 36px;
    font-size: 15px;
}

.btn-full {
    width: 100%;
}

.arrow-icon {
    margin-left: 8px;
    transition: transform var(--transition-fast);
}

.btn-secondary:hover .arrow-icon {
    transform: translateX(4px);
}

/* --------------------------------------------------------------------------
   6. Header / Sticky Navigation Bar
   -------------------------------------------------------------------------- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--navbar-height);
    background: rgba(248, 243, 234, 0.85); /* Ivory base */
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(221, 210, 196, 0.4);
    z-index: 1000;
    transition: var(--transition-normal);
}

.nav-container {
    max-width: var(--container-width);
    height: 100%;
    margin: 0 auto;
    padding: 0 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo-img {
    height: 100px;
    width: auto;
    object-fit: contain;
    display: block;
}

.footer-brand .logo-img {
    height: 100px;
    width: auto;
}

.logo-text {
    font-family: var(--font-serif);
    font-size: 20px;
    font-weight: 500;
    color: var(--color-text-primary);
    letter-spacing: 0.08em;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 100%;
    height: 1px;
    background-color: var(--color-accent-gold);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--transition-fast);
}

.nav-link:hover {
    color: var(--color-text-primary);
}

.nav-link:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

.btn-nav-mobile {
    display: none;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 16px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.menu-toggle .bar {
    width: 100%;
    height: 1.5px;
    background-color: var(--color-text-primary);
    border-radius: 4px;
    transition: var(--transition-normal);
}

.navbar-scrolled {
    height: 70px;
    box-shadow: var(--shadow-sm);
    background: rgba(248, 243, 234, 0.95);
}

/* --------------------------------------------------------------------------
   7. Hero Section
   -------------------------------------------------------------------------- */
.hero-section {
    padding-top: calc(var(--navbar-height) + 60px);
    padding-bottom: 90px;
    position: relative;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    align-items: center;
    gap: 60px;
}

.hero-content {
    max-width: 560px;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: var(--color-accent-gold-light);
    border: 1px solid rgba(200, 160, 99, 0.15);
    padding: 6px 14px;
    border-radius: 99px;
    margin-bottom: 24px;
}

.badge-feather {
    color: var(--color-accent-gold);
}

.badge-text {
    font-size: 11px;
    font-weight: 750;
    color: var(--color-accent-gold-hover);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.hero-title {
    font-size: 58px;
    line-height: 1.15;
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--color-text-secondary);
    margin-bottom: 36px;
    line-height: 1.6;
}

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

/* Hero Mandala Graphic Frame (Cropped circular frame) */
.hero-graphic {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.heritage-illustration-frame {
    width: 100%;
    max-width: 380px;
    aspect-ratio: 1;
    border-radius: 50%;
    border: 1.5px solid var(--color-border);
    padding: 10px;
    background-color: var(--color-bg-secondary);
    box-shadow: var(--shadow-premium);
    overflow: hidden;
}

.heritage-illustration {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    transform: scale(1.02);
}

/* --------------------------------------------------------------------------
   8. Meet Your Isht Section
   -------------------------------------------------------------------------- */
.calculator-section {
    background-color: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.calculator-outer {
    max-width: 720px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.calculator-description-box {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.intro-bold {
    font-size: 16px;
    font-weight: 750;
    color: var(--color-text-primary);
}

.intro-body {
    font-size: 14.5px;
    line-height: 1.6;
    color: var(--color-text-secondary);
}

.font-italic {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 18px;
    color: var(--color-accent-gold-hover);
    line-height: 1.45;
}

.calculator-wrapper {
    background-color: #ffffff;
    border: 1px solid var(--color-border);
    border-radius: 24px;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    padding: 40px;
    position: relative;
    min-height: 480px;
}

.vedic-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group-custom {
    display: flex;
    flex-direction: column;
    gap: 8px;
    position: relative;
}

.form-group-custom label {
    font-size: 11px;
    font-weight: 750;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-primary);
}

.form-group-custom input,
.form-group-custom select {
    font-family: var(--font-sans);
    font-size: 14.5px;
    font-weight: 500;
    color: var(--color-text-primary);
    padding: 12px 18px;
    border-radius: 30px;
    border: 1px solid var(--color-border);
    outline: none;
    background-color: #ffffff;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group-custom input:focus,
.form-group-custom select:focus {
    border-color: var(--color-accent-gold);
    box-shadow: 0 0 0 3px rgba(200, 160, 99, 0.12);
}

.form-row-custom {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group-custom.invalid input {
    border-color: var(--color-error-text);
}

.calc-field-error {
    display: none;
    font-size: 11px;
    font-weight: 600;
    color: var(--color-error-text);
    margin-top: 4px;
    padding-left: 14px;
}

.form-group-custom.invalid .calc-field-error {
    display: block;
}

/* Loading state overlay with feather spinner */
.calculator-loading-panel {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.98);
    z-index: 10;
    padding: 40px;
    text-align: center;
}

.spinner-container {
    position: relative;
    width: 80px;
    height: 80px;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.loader-feather-svg {
    animation: rotate-loader 2s infinite cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes rotate-loader {
    0% { transform: rotate(0deg) scale(0.9); opacity: 0.7; }
    50% { transform: rotate(180deg) scale(1.1); opacity: 1; }
    100% { transform: rotate(360deg) scale(0.9); opacity: 0.7; }
}

.loading-message {
    font-family: var(--font-serif);
    font-size: 18px;
    font-style: italic;
    color: var(--color-text-secondary);
    max-width: 280px;
    line-height: 1.45;
}

/* Results panel card layout */
.calculator-results-panel {
    animation: fade-in-results var(--transition-slow);
}

@keyframes fade-in-results {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.result-layout-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    border-bottom: 1.5px solid var(--color-border);
    padding-bottom: 24px;
    margin-bottom: 32px;
}

.result-illustration-box {
    width: 110px;
    height: 110px;
    border-radius: 50%;
    border: 1px solid var(--color-border);
    background-color: var(--color-bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
    box-shadow: var(--shadow-sm);
}

.result-tag-label {
    font-size: 11px;
    font-weight: 750;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-text-muted);
}

.result-isht-name {
    font-size: 38px;
    color: var(--color-accent-gold-hover);
    margin-top: 4px;
    font-weight: 400;
}

.result-card-body {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.result-section {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.result-sec-title {
    font-family: var(--font-sans);
    font-size: 10px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-muted);
}

.result-sec-text {
    font-size: 14.5px;
    line-height: 1.6;
    color: var(--color-text-secondary);
}

.result-row-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.result-sub-section {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.mantra-style {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 18px;
    color: var(--color-text-primary);
    font-weight: 600;
}

.alert-box-result {
    background-color: var(--color-accent-gold-light);
    border: 1px solid rgba(200, 160, 99, 0.35);
    border-radius: 8px;
    padding: 16px 20px;
}

.result-card-actions {
    margin-top: 36px;
}

/* --------------------------------------------------------------------------
   9. Explore Divine Guides
   -------------------------------------------------------------------------- */
.guides-section {
    background-color: var(--color-bg-primary);
}

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

.guide-card {
    background-color: var(--color-bg-secondary);
    border: 1.5px solid var(--color-border);
    border-radius: 20px;
    padding: 32px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    transition: transform var(--transition-normal);
}

.guide-card:hover {
    transform: translateY(-2px);
    border-color: var(--color-border-hover);
}

.guide-art-outline {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background-color: #ffffff;
    border: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent-gold-hover);
}

.guide-card h3 {
    font-size: 24px;
    font-weight: 400;
}

.guide-intro {
    font-size: 13.5px;
    line-height: 1.55;
    color: var(--color-text-secondary);
    flex-grow: 1;
}

.guide-qualities {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    border-top: 1px solid var(--color-border);
    padding-top: 14px;
}

.guide-qualities span {
    font-size: 11px;
    font-weight: 600;
    color: var(--color-text-muted);
    background-color: #ffffff;
    border: 1px solid var(--color-border);
    padding: 2px 8px;
    border-radius: 4px;
}

/* --------------------------------------------------------------------------
   10. Daily Guidance (Mobile app mockup preview)
   -------------------------------------------------------------------------- */
.app-experience-section {
    background-color: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.app-preview-wrapper {
    display: flex;
    justify-content: center;
}

.premium-mockup-frame {
    width: 100%;
    max-width: 420px;
    background-color: #ffffff;
    border: 1px solid var(--color-border);
    border-radius: 24px;
    padding: 24px;
    box-shadow: var(--shadow-lg);
}

.mockup-screen-container {
    background-color: var(--color-bg-primary);
    border-radius: 16px;
    padding: 28px;
    border: 1px solid var(--color-border);
}

.app-dashboard-preview {
    display: flex;
    flex-direction: column;
    height: 100%;
    gap: 16px;
}

.dashboard-header {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.user-greeting {
    font-size: 11px;
    font-weight: 750;
    text-transform: uppercase;
    color: var(--color-accent-gold-hover);
    letter-spacing: 0.05em;
}

.dashboard-date {
    font-size: 20px;
    font-weight: 500;
    color: var(--color-text-primary);
}

.astro-stats-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.stat-bubble {
    background-color: #ffffff;
    border: 1px solid var(--color-border);
    border-radius: 10px;
    padding: 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    text-align: center;
}

.bubble-lbl {
    font-size: 8.5px;
    font-weight: 750;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.bubble-val {
    font-size: 10.5px;
    font-weight: 700;
    color: var(--color-text-primary);
    line-height: 1.25;
}

.preview-app-card {
    background-color: #ffffff;
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    box-shadow: var(--shadow-sm);
}

.preview-card-section {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.section-label {
    font-size: 9px;
    font-weight: 850;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
}

.section-bold-text {
    font-size: 13.5px;
    font-weight: 700;
    color: var(--color-text-primary);
}

.section-body-text {
    font-size: 12px;
    line-height: 1.55;
    color: var(--color-text-secondary);
}

.section-body-text.italic {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 13px;
}

.preview-card-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    padding: 12px 0;
}

.alert-box-pink {
    background-color: var(--color-accent-gold-light);
    border-left: 2.5px solid var(--color-accent-gold);
    border-radius: 6px;
    padding: 10px 12px;
}

.italic-serif {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 14.5px;
    color: var(--color-text-primary);
}

/* --------------------------------------------------------------------------
   11. How It Works Section
   -------------------------------------------------------------------------- */
.how-works-section {
    background-color: var(--color-bg-primary);
}

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

.timeline-card {
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    padding: 32px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.step-badge {
    align-self: flex-start;
    font-size: 10px;
    font-weight: 800;
    text-transform: uppercase;
    background-color: var(--color-accent-gold-light);
    color: var(--color-accent-gold-hover);
    padding: 3px 10px;
    border-radius: 20px;
    border: 1px solid rgba(200, 160, 99, 0.15);
}

.timeline-card h3 {
    font-size: 20px;
    font-weight: 400;
}

.timeline-card p {
    font-size: 13.5px;
    line-height: 1.55;
    color: var(--color-text-secondary);
}

/* --------------------------------------------------------------------------
   12. Why Isht Tara Section
   -------------------------------------------------------------------------- */
.why-section {
    background-color: var(--color-bg-primary);
    border-top: 1px solid var(--color-border);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.why-card {
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    padding: 40px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    transition: transform var(--transition-normal);
}

.why-card:hover {
    transform: translateY(-2px);
}

.why-icon-box {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background-color: var(--color-bg-primary);
    color: var(--color-accent-gold-hover);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-border);
}

.why-star {
    font-size: 18px;
    color: var(--color-accent-gold-hover);
}

.why-card h3 {
    font-size: 22px;
    font-weight: 400;
}

.why-card p {
    font-size: 14px;
    line-height: 1.6;
    color: var(--color-text-secondary);
}

/* --------------------------------------------------------------------------
   13. Founder Section
   -------------------------------------------------------------------------- */
.founder-section {
    background-color: var(--color-bg-primary);
    border-top: 1px solid var(--color-border);
}

.founder-grid {
    display: grid;
    grid-template-columns: 0.85fr 1.15fr;
    gap: 60px;
    align-items: center;
}

.founder-image-wrapper {
    width: 100%;
    display: flex;
    justify-content: center;
}

.founder-image {
    width: 100%;
    max-width: 380px;
    aspect-ratio: 1;
    border-radius: 20px;
    border: 1.5px solid var(--color-border);
    object-fit: cover;
    box-shadow: var(--shadow-md);
}

.founder-content h2 {
    font-size: 38px;
    margin-bottom: 24px;
}

.founder-body-text {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.founder-body-text p {
    font-size: 15px;
    line-height: 1.6;
    color: var(--color-text-secondary);
}

.founder-insight-quote {
    font-family: var(--font-serif);
    font-size: 20px;
    font-style: italic;
    color: var(--color-text-primary);
    line-height: 1.5;
    border-left: 2.5px solid var(--color-accent-gold);
    padding-left: 20px;
    margin: 10px 0;
}

.founder-milestones {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 20px;
    border-top: 1px solid var(--color-border);
    padding-top: 20px;
    margin-top: 10px;
}

.milestone-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.milestone-item strong {
    font-size: 11px;
    font-weight: 750;
    text-transform: uppercase;
    color: var(--color-text-primary);
}

.milestone-item span {
    font-size: 13.5px;
    color: var(--color-text-secondary);
}

/* --------------------------------------------------------------------------
   14. Knowledge Library Section
   -------------------------------------------------------------------------- */
.library-section {
    background-color: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

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

.library-card {
    background-color: #ffffff;
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: 28px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-fast);
}

.library-card:hover {
    transform: translateY(-2px);
    border-color: var(--color-border-hover);
}

.library-card h4 {
    font-size: 20px;
    color: var(--color-text-primary);
    font-weight: 400;
}

.library-card p {
    font-size: 13.5px;
    line-height: 1.5;
    color: var(--color-text-secondary);
    flex-grow: 1;
}

.read-link {
    font-size: 12.5px;
    font-weight: 700;
    color: var(--color-accent-gold-hover);
    cursor: pointer;
    transition: var(--transition-fast);
}

.read-link:hover {
    color: var(--color-accent-gold);
}

/* --------------------------------------------------------------------------
   15. Join Early Access Section
   -------------------------------------------------------------------------- */
.early-access-section {
    padding: 60px 0 120px 0;
    background-color: var(--color-bg-primary);
}

.early-access-card {
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: 28px;
    padding: 80px 40px;
    text-align: center;
    box-shadow: var(--shadow-lg);
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.early-access-content {
    max-width: 580px;
    margin: 0 auto;
}

.early-access-content h2 {
    font-size: 40px;
    margin-bottom: 16px;
    font-weight: 400;
}

.early-access-content p {
    font-family: var(--font-serif);
    font-style: italic;
    color: var(--color-text-secondary);
    font-size: 18px;
    margin-bottom: 36px;
}

.form-inputs-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    width: 100%;
    margin-bottom: 16px;
}

.form-field-wrapper {
    position: relative;
    display: flex;
    flex-direction: column;
}

.form-field-wrapper input {
    font-family: var(--font-sans);
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-primary);
    padding: 12px 18px;
    border-radius: 30px;
    border: 1px solid var(--color-border);
    outline: none;
    background-color: #ffffff;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-field-wrapper input:focus {
    border-color: var(--color-accent-gold);
    box-shadow: 0 0 0 3px rgba(200, 160, 99, 0.12);
}

.form-field-wrapper.invalid input {
    border-color: var(--color-error-text);
}

.form-field-wrapper.invalid input:focus {
    box-shadow: 0 0 0 3px rgba(185, 74, 62, 0.1);
}

.field-error-msg {
    display: none;
    font-size: 11px;
    font-weight: 600;
    color: var(--color-error-text);
    margin-top: 4px;
    text-align: left;
    padding-left: 16px;
}

.form-field-wrapper.invalid .field-error-msg {
    display: block;
}

.waitlist-small-text {
    font-size: 12px;
    color: var(--color-text-muted);
    margin-top: 12px;
}

.form-feedback {
    display: none;
    padding: 12px 16px;
    border-radius: 30px;
    font-size: 13px;
    font-weight: 600;
    margin-top: 20px;
}

.form-feedback.success {
    display: block;
    background-color: var(--color-accent-sage-light);
    color: var(--color-accent-sage-hover);
    border: 1px solid rgba(136, 156, 136, 0.2);
}

.form-feedback.error {
    display: block;
    background-color: var(--color-error-bg);
    color: var(--color-error-text);
    border: 1px solid var(--color-error-border);
}

/* --------------------------------------------------------------------------
   16. Footer
   -------------------------------------------------------------------------- */
.footer {
    padding: 80px 0 40px 0;
    background-color: var(--color-bg-primary);
    border-top: 1px solid var(--color-border);
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 50px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.brand-copy {
    font-size: 12px;
    color: var(--color-text-muted);
}

.footer-links-grid {
    display: flex;
    gap: 60px;
}

.footer-col {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.col-title {
    font-size: 11px;
    font-weight: 750;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-primary);
    margin-bottom: 4px;
}

.footer-col a {
    font-size: 13px;
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-col a:hover {
    color: var(--color-accent-gold-hover);
}

.footer-tagline-container {
    border-top: 1px solid var(--color-border);
    padding-top: 30px;
    text-align: center;
}

.footer-tagline {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 16px;
    color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   17. Responsiveness
   -------------------------------------------------------------------------- */

/* --- Tablet (≤1024px) --- */
@media (max-width: 1024px) {
    .container {
        padding: 0 24px;
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 48px;
    }

    .hero-content {
        max-width: 100%;
        margin: 0 auto;
        display: flex;
        flex-direction: column;
        align-items: center;
    }

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

    .heritage-illustration-frame {
        max-width: 300px;
        margin: 0 auto;
    }

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

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

    .timeline-grid {
        grid-template-columns: 1fr 1fr;
        gap: 24px;
    }

    .why-grid {
        grid-template-columns: 1fr 1fr;
        gap: 20px;
    }

    .founder-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .founder-image-wrapper {
        order: -1;
    }

    .founder-image {
        max-width: 300px;
    }
}

/* --- Mobile (≤768px) --- */
@media (max-width: 768px) {
    :root {
        --navbar-height: 72px;
    }

    .container {
        padding: 0 20px;
    }

    section {
        padding: 80px 0;
    }

    .section-title {
        font-size: 32px;
    }

    .section-subtitle {
        font-size: 16px;
    }

    .section-header {
        margin-bottom: 48px;
    }

    /* Navbar */
    .navbar {
        height: var(--navbar-height);
    }

    .logo-img {
        height: 72px;
    }

    .footer-brand .logo-img {
        height: 72px;
    }

    .menu-toggle {
        display: flex;
    }

    .btn-nav {
        display: none;
    }

    .nav-links {
        position: fixed;
        top: var(--navbar-height);
        left: 0;
        width: 100%;
        height: calc(100vh - var(--navbar-height));
        background-color: var(--color-bg-primary);
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        padding-top: 48px;
        gap: 28px;
        transform: translateX(100%);
        transition: transform var(--transition-normal);
        border-top: 1px solid var(--color-border);
        z-index: 999;
    }

    .nav-links.active {
        transform: translateX(0);
    }

    .btn-nav-mobile {
        display: inline-flex;
        width: calc(100% - 40px);
        margin-top: 16px;
    }

    .menu-toggle.active .bar:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

    .menu-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }

    .menu-toggle.active .bar:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    /* Hero */
    .hero-section {
        padding-top: calc(var(--navbar-height) + 40px);
        padding-bottom: 60px;
    }

    .hero-title {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    .hero-ctas {
        flex-direction: column;
        width: 100%;
        gap: 12px;
    }

    .hero-ctas .btn {
        width: 100%;
        justify-content: center;
    }

    .heritage-illustration-frame {
        max-width: 240px;
    }

    /* Calculator */
    .calculator-wrapper {
        padding: 28px 20px;
        min-height: auto;
    }

    .form-row-custom {
        grid-template-columns: 1fr;
    }

    .result-row-grid {
        grid-template-columns: 1fr;
    }

    /* Guides */
    .guides-grid {
        grid-template-columns: 1fr;
    }

    /* App preview */
    .premium-mockup-frame {
        padding: 16px;
    }

    .mockup-screen-container {
        padding: 20px;
    }

    .astro-stats-row {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .preview-card-grid {
        grid-template-columns: 1fr;
    }

    /* Timeline */
    .timeline-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    /* Why */
    .why-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    /* Library */
    .library-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    /* Early access */
    .early-access-card {
        padding: 48px 24px;
    }

    .form-inputs-group {
        grid-template-columns: 1fr;
    }

    /* Footer */
    .footer-container {
        flex-direction: column;
        gap: 32px;
        text-align: center;
        align-items: center;
    }

    .footer-brand {
        align-items: center;
    }

    .footer-links-grid {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        gap: 32px;
    }

    .footer-col {
        align-items: center;
        min-width: 120px;
    }
}

/* --- Small mobile (≤400px) --- */
@media (max-width: 400px) {
    .container {
        padding: 0 16px;
    }

    .hero-title {
        font-size: 30px;
    }

    .section-title {
        font-size: 28px;
    }

    .calculator-wrapper {
        padding: 24px 16px;
    }

    .early-access-card {
        padding: 36px 16px;
    }

    .footer-links-grid {
        flex-direction: column;
        align-items: center;
        gap: 24px;
    }
}