/* ==========================================================================
   OptiShare Landing Page — Centra Energy design system
   Dark navy + gold accent palette
   ========================================================================== */

/* ---- Fonts ---- */
@import url('https://fonts.googleapis.com/css2?family=Inter+Tight:wght@300;400;500;600;700;800;900&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

/* ---- Base ---- */
html {
    scroll-behavior: smooth;
}

.landing {
    /* Navy scale */
    --navy-950: #151a28;
    --navy-900: #1d2538;
    --navy-800: #283149;
    --navy-700: #323d59;
    --navy-600: #445173;
    --navy-500: #5a678a;
    --navy-400: #7985a7;
    --navy-300: #9ea8c2;
    --navy-200: #c6ccda;
    --navy-100: #e3e6ee;

    /* Gold scale */
    --gold-700: #bb8b49;
    --gold-600: #c7a05b;
    --gold-500: #d4b46c;
    --gold-400: #e0c77d;
    --gold-300: #eddb8f;
    --gold-200: #f3e598;
    --gold-100: #faf1c7;
    --gold-50:  #fdf9e6;

    /* Paper (light sections) */
    --paper-50:  #faf8f2;
    --paper-100: #f5f1e6;
    --paper-200: #ece6d5;
    --ink-900:   #171c29;
    --ink-700:   #3a4358;
    --ink-500:   #5e6882;
    --ink-300:   #8f96a8;
    --border-light: rgba(23,28,41,0.10);

    /* Signal */
    --signal-live: #4ec38a;

    /* Gradients */
    --grad-gold: linear-gradient(110deg, #bb8b49 0%, #c7a05b 20%, #d4b46c 40%, #e0c77d 60%, #eddb8f 80%, #f3e598 100%);
    --grad-gold-hover: linear-gradient(110deg, #c7a05b 0%, #d4b46c 20%, #e0c77d 40%, #eddb8f 60%, #f3e598 80%, #faf1c7 100%);

    /* Borders */
    --border-inv: rgba(255,255,255,0.10);
    --border-inv-strong: rgba(255,255,255,0.18);
    --border-gold: rgba(187,139,73,0.35);

    /* Shadows */
    --shadow-gold: 0 4px 14px -4px rgba(187,139,73,0.35);
    --shadow-gold-hover: 0 12px 32px -8px rgba(187,139,73,0.55);

    font-family: 'Inter Tight', system-ui, -apple-system, 'Segoe UI', sans-serif;
    color: var(--navy-100);
    background: var(--navy-950);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

.landing *,
.landing *::before,
.landing *::after {
    box-sizing: border-box;
}

/* ---- Container ---- */
.landing-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ---- Animations ---- */
.fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s cubic-bezier(0.2, 0.7, 0.2, 1),
                transform 0.7s cubic-bezier(0.2, 0.7, 0.2, 1);
}

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

/* Stagger children */
.steps .step.fade-in:nth-child(2) { transition-delay: 0.12s; }
.steps .step.fade-in:nth-child(3) { transition-delay: 0.24s; }
.benefits-grid .benefit-card.fade-in:nth-child(2) { transition-delay: 0.08s; }
.benefits-grid .benefit-card.fade-in:nth-child(3) { transition-delay: 0.16s; }
.benefits-grid .benefit-card.fade-in:nth-child(4) { transition-delay: 0.24s; }
.benefits-grid .benefit-card.fade-in:nth-child(5) { transition-delay: 0.32s; }
.benefits-grid .benefit-card.fade-in:nth-child(6) { transition-delay: 0.4s; }

/* ---- Navbar ---- */
.landing-nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(21, 26, 40, 0.75);
    backdrop-filter: blur(18px) saturate(1.2);
    -webkit-backdrop-filter: blur(18px) saturate(1.2);
    border-bottom: 1px solid transparent;
    transition: background 0.3s, border-color 0.3s, box-shadow 0.3s;
}

.landing-nav.is-scrolled {
    background: rgba(21, 26, 40, 0.92);
    border-bottom-color: var(--border-inv);
    box-shadow: 0 1px 12px rgba(0, 0, 0, 0.2);
}

.landing-nav .landing-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.landing-nav__logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    text-decoration: none;
}

.landing-nav__symbol {
    height: 34px;
    width: 34px;
    display: block;
}

.landing-nav__wordmark {
    font-family: Georgia, 'Times New Roman', serif;
    font-size: 1.35rem;
    font-weight: 400;
    color: var(--navy-100);
    letter-spacing: 0;
}

.landing-nav__right {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.landing-nav__link--text {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--navy-300);
    text-decoration: none;
    padding: 0.5rem 0.85rem;
    border-radius: 6px;
    transition: color 0.2s, background 0.2s;
}

.landing-nav__link--text:hover {
    color: var(--gold-400);
    background: rgba(255, 255, 255, 0.05);
}

.landing-nav__link--btn {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--navy-900);
    text-decoration: none;
    padding: 0.5rem 1.25rem;
    background: var(--grad-gold);
    border: 1px solid transparent;
    border-radius: 6px;
    margin-left: 0.5rem;
    box-shadow: var(--shadow-gold);
    transition: box-shadow 0.2s, transform 0.2s;
}

.landing-nav__link--btn:hover {
    background: var(--grad-gold-hover);
    box-shadow: var(--shadow-gold-hover);
    transform: translateY(-1px);
}

/* ---- Section shared ---- */
.landing-section {
    padding: 7rem 0;
}

.landing-section--light {
    background: var(--paper-50);
}

.landing-section--alt {
    background: var(--paper-50);
}

.landing-section--dark {
    background: var(--navy-800);
}

.section-intro {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 3.5rem;
}

.landing-section__label {
    display: inline-block;
    font-family: 'IBM Plex Mono', ui-monospace, monospace;
    font-size: 0.6875rem;
    font-weight: 500;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--gold-400);
    margin-bottom: 0.75rem;
}

.landing-section--dark .landing-section__label {
    color: var(--gold-400);
}

.landing-section__title {
    font-size: clamp(1.75rem, 3.5vw, 2.5rem);
    font-weight: 700;
    color: var(--navy-100);
    margin: 0 0 1rem;
    line-height: 1.15;
    letter-spacing: -0.025em;
}

.landing-section--dark .landing-section__title,
.section-intro--light .landing-section__title {
    color: var(--navy-100);
}

.landing-section__desc {
    font-size: 1.0625rem;
    color: var(--navy-400);
    margin: 0;
    line-height: 1.65;
}

.section-intro--light .landing-section__title {
    color: #fff;
}

.section-intro--light .landing-section__desc {
    color: var(--navy-300);
}

/* ---- Light section overrides ---- */
.landing-section--light .landing-section__label,
.landing-section--alt .landing-section__label {
    color: var(--gold-700);
}

.landing-section--light .landing-section__title,
.landing-section--alt .landing-section__title {
    color: var(--ink-900);
}

.landing-section--light .landing-section__desc,
.landing-section--alt .landing-section__desc {
    color: var(--ink-500);
}

/* ---- Hero ---- */
.hero {
    position: relative;
    padding: 8rem 0 5rem;
    background:
        radial-gradient(ellipse 90% 60% at 85% 15%, rgba(212,180,108,0.12), transparent 60%),
        linear-gradient(180deg, var(--navy-900) 0%, var(--navy-950) 100%);
    overflow: hidden;
}

.hero__glow {
    position: absolute;
    top: -200px;
    left: 50%;
    transform: translateX(-50%);
    width: 900px;
    height: 600px;
    background: radial-gradient(ellipse, rgba(187, 139, 73, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.hero__split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero__text {
    text-align: left;
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1rem 0.4rem 0.7rem;
    background: var(--navy-800);
    border: 1px solid var(--border-inv);
    border-radius: 999px;
    font-family: 'IBM Plex Mono', ui-monospace, monospace;
    font-size: 0.6875rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--navy-200);
    margin-bottom: 2rem;
}

.hero__badge-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--gold-500);
    animation: pulse-dot 1.6s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(212, 180, 108, 0.4); }
    50% { opacity: 0.5; box-shadow: 0 0 0 6px rgba(212, 180, 108, 0); }
}

.hero__headline {
    font-size: clamp(2.5rem, 5vw, 3.75rem);
    font-weight: 800;
    line-height: 1.08;
    color: var(--navy-100);
    margin: 0 0 1.5rem;
    letter-spacing: -0.03em;
}

.hero__headline--accent {
    background: var(--grad-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__sub {
    font-size: clamp(1.0625rem, 2vw, 1.1875rem);
    color: var(--navy-400);
    max-width: 540px;
    margin: 0 0 2.5rem;
    line-height: 1.7;
}

.hero__actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-bottom: 2.5rem;
}

.final-cta .hero__actions {
    justify-content: center;
}

.hero__proof {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.hero__proof-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8125rem;
    color: var(--navy-400);
    font-weight: 500;
}

.hero__proof-item svg {
    stroke: var(--gold-500);
}

/* ---- Hero visual / Energy community animation ---- */
.hero__visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.energy-anim {
    position: relative;
    width: 380px;
    height: 380px;
}

/* Orbit rings */
.energy-anim__orbit {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(212, 180, 108, 0.1);
}

.energy-anim__orbit--1 {
    inset: 20px;
    animation: orbit-breathe 6s ease-in-out infinite;
}

.energy-anim__orbit--2 {
    inset: -10px;
    border-style: dashed;
    border-color: rgba(212, 180, 108, 0.06);
    animation: orbit-spin 60s linear infinite;
}

@keyframes orbit-breathe {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.04); opacity: 0.6; }
}

@keyframes orbit-spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Central sun */
.energy-anim__sun {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(212, 180, 108, 0.2) 0%, rgba(212, 180, 108, 0.05) 70%);
    border: 1px solid rgba(212, 180, 108, 0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gold-400);
    animation: sun-glow 3s ease-in-out infinite;
    z-index: 2;
}

@keyframes sun-glow {
    0%, 100% { box-shadow: 0 0 20px rgba(212, 180, 108, 0.15), 0 0 60px rgba(212, 180, 108, 0.05); }
    50% { box-shadow: 0 0 30px rgba(212, 180, 108, 0.25), 0 0 80px rgba(212, 180, 108, 0.1); }
}

/* Community house nodes */
.energy-anim__node {
    position: absolute;
    width: 46px;
    height: 46px;
    border-radius: 12px;
    background: var(--navy-800);
    border: 1px solid var(--border-inv);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--navy-300);
    z-index: 2;
    transition: border-color 0.3s, color 0.3s, box-shadow 0.3s;
}

/* Position 5 houses in a circle around center (radius ~145px from center) */
.energy-anim__node--1 { top: 22px;  left: 50%;  transform: translateX(-50%); }
.energy-anim__node--2 { top: 95px;  right: 18px; }
.energy-anim__node--3 { bottom: 55px; right: 35px; }
.energy-anim__node--4 { bottom: 55px; left: 35px; }
.energy-anim__node--5 { top: 95px;  left: 18px; }

/* Highlight nodes sequentially */
.energy-anim__node--1 { animation: node-highlight 5s ease-in-out infinite 0s; }
.energy-anim__node--2 { animation: node-highlight 5s ease-in-out infinite 1s; }
.energy-anim__node--3 { animation: node-highlight 5s ease-in-out infinite 2s; }
.energy-anim__node--4 { animation: node-highlight 5s ease-in-out infinite 3s; }
.energy-anim__node--5 { animation: node-highlight 5s ease-in-out infinite 4s; }

@keyframes node-highlight {
    0%, 15%, 100% {
        border-color: var(--border-inv);
        color: var(--navy-300);
        box-shadow: none;
    }
    5%, 10% {
        border-color: var(--gold-500);
        color: var(--gold-400);
        box-shadow: 0 0 16px rgba(212, 180, 108, 0.2);
    }
}

/* Energy particles */
.energy-anim__particle {
    position: absolute;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--gold-400);
    top: 50%;
    left: 50%;
    z-index: 1;
    opacity: 0;
}

/* Each particle flies from center toward its respective house node */
.energy-anim__particle--1 {
    animation: particle-to-1 5s ease-out infinite 0s;
}
.energy-anim__particle--2 {
    animation: particle-to-2 5s ease-out infinite 1s;
}
.energy-anim__particle--3 {
    animation: particle-to-3 5s ease-out infinite 2s;
}
.energy-anim__particle--4 {
    animation: particle-to-4 5s ease-out infinite 3s;
}
.energy-anim__particle--5 {
    animation: particle-to-5 5s ease-out infinite 4s;
}

/* Particle keyframes: center -> each node position */
@keyframes particle-to-1 {
    0%   { transform: translate(-50%, -50%) scale(0); opacity: 0; }
    2%   { transform: translate(-50%, -50%) scale(1); opacity: 1; box-shadow: 0 0 8px rgba(212, 180, 108, 0.6); }
    8%   { transform: translate(-50%, calc(-50% - 145px)) scale(0.5); opacity: 0; }
    100% { opacity: 0; }
}

@keyframes particle-to-2 {
    0%   { transform: translate(-50%, -50%) scale(0); opacity: 0; }
    2%   { transform: translate(-50%, -50%) scale(1); opacity: 1; box-shadow: 0 0 8px rgba(212, 180, 108, 0.6); }
    8%   { transform: translate(calc(-50% + 130px), calc(-50% - 72px)) scale(0.5); opacity: 0; }
    100% { opacity: 0; }
}

@keyframes particle-to-3 {
    0%   { transform: translate(-50%, -50%) scale(0); opacity: 0; }
    2%   { transform: translate(-50%, -50%) scale(1); opacity: 1; box-shadow: 0 0 8px rgba(212, 180, 108, 0.6); }
    8%   { transform: translate(calc(-50% + 100px), calc(-50% + 105px)) scale(0.5); opacity: 0; }
    100% { opacity: 0; }
}

@keyframes particle-to-4 {
    0%   { transform: translate(-50%, -50%) scale(0); opacity: 0; }
    2%   { transform: translate(-50%, -50%) scale(1); opacity: 1; box-shadow: 0 0 8px rgba(212, 180, 108, 0.6); }
    8%   { transform: translate(calc(-50% - 100px), calc(-50% + 105px)) scale(0.5); opacity: 0; }
    100% { opacity: 0; }
}

@keyframes particle-to-5 {
    0%   { transform: translate(-50%, -50%) scale(0); opacity: 0; }
    2%   { transform: translate(-50%, -50%) scale(1); opacity: 1; box-shadow: 0 0 8px rgba(212, 180, 108, 0.6); }
    8%   { transform: translate(calc(-50% - 130px), calc(-50% - 72px)) scale(0.5); opacity: 0; }
    100% { opacity: 0; }
}

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-family: 'Inter Tight', system-ui, sans-serif;
    font-size: 0.875rem;
    font-weight: 600;
    padding: 0.7rem 1.5rem;
    border-radius: 6px;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.22s cubic-bezier(0.2, 0.7, 0.2, 1);
    border: none;
}

.btn--lg {
    padding: 0.85rem 2rem;
    font-size: 0.9375rem;
}

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

.btn:active {
    transform: translateY(0);
}

.btn--primary {
    background: var(--grad-gold);
    color: var(--navy-900);
    box-shadow: var(--shadow-gold);
}

.btn--primary:hover {
    background: var(--grad-gold-hover);
    box-shadow: var(--shadow-gold-hover);
}

.btn--glow {
    box-shadow: 0 4px 14px -4px rgba(187,139,73,0.4),
                0 0 40px rgba(187,139,73,0.12);
}

.btn--glow:hover {
    box-shadow: 0 12px 32px -8px rgba(187,139,73,0.5),
                0 0 60px rgba(187,139,73,0.18);
}

.btn--secondary {
    background: var(--navy-800);
    color: var(--navy-100);
    border: 1px solid var(--navy-600);
}

.btn--secondary:hover {
    border-color: var(--gold-700);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* ---- Social proof bar ---- */
.proof-bar {
    background: var(--paper-50);
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
    padding: 2.5rem 0;
}

.proof-bar__inner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.proof-bar__stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.35rem;
    text-align: center;
}

.proof-bar__stat strong {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--ink-900);
    letter-spacing: -0.02em;
}

.proof-bar__stat span {
    font-family: 'IBM Plex Mono', ui-monospace, monospace;
    font-size: 0.6875rem;
    color: var(--ink-500);
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.proof-bar__divider {
    width: 1px;
    height: 40px;
    background: var(--border-light);
}

/* ---- Steps / How it works ---- */
.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    position: relative;
}

.step {
    text-align: center;
    position: relative;
    padding: 2rem 1.5rem;
    border-radius: 14px;
    background: var(--navy-800);
    border: 1px solid var(--border-inv);
    transition: border-color 0.3s, box-shadow 0.3s, transform 0.22s;
}

.step:hover {
    border-color: var(--gold-700);
    box-shadow: 0 8px 24px -8px rgba(0, 0, 0, 0.3);
    transform: translateY(-3px);
}

.step__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: rgba(187, 139, 73, 0.12);
    color: var(--gold-400);
    margin-bottom: 1.25rem;
}

.step__connector {
    display: none;
}

.step__num {
    display: block;
    font-family: 'IBM Plex Mono', ui-monospace, monospace;
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--gold-500);
    letter-spacing: 0.08em;
    margin-bottom: 0.5rem;
}

.step__title {
    font-size: 1.125rem;
    font-weight: 700;
    margin: 0 0 0.5rem;
    color: var(--navy-100);
}

.step__desc {
    font-size: 0.9rem;
    color: var(--navy-400);
    margin: 0;
    line-height: 1.6;
}

/* Steps in light sections */
.landing-section--light .step {
    background: #fff;
    border-color: var(--border-light);
}

.landing-section--light .step:hover {
    border-color: var(--gold-700);
    box-shadow: 0 8px 24px -8px rgba(23, 28, 41, 0.1);
}

.landing-section--light .step__icon {
    background: var(--gold-50);
    color: var(--gold-700);
}

.landing-section--light .step__title {
    color: var(--ink-900);
}

.landing-section--light .step__desc {
    color: var(--ink-500);
}

/* ---- Benefits grid ---- */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.benefit-card {
    background: var(--navy-900);
    border: 1px solid var(--border-inv);
    border-radius: 14px;
    padding: 2rem;
    transition: border-color 0.3s, transform 0.22s, box-shadow 0.3s;
}

.benefit-card:hover {
    border-color: var(--gold-700);
    transform: translateY(-3px);
    box-shadow: 0 8px 24px -8px rgba(0, 0, 0, 0.3);
}

.benefit-card__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: rgba(187, 139, 73, 0.12);
    color: var(--gold-400);
    margin-bottom: 1.25rem;
}

.benefit-card h3 {
    font-size: 1.0625rem;
    font-weight: 700;
    margin: 0 0 0.5rem;
    color: var(--navy-100);
}

.benefit-card p {
    font-size: 0.875rem;
    color: var(--navy-300);
    margin: 0;
    line-height: 1.6;
}

.benefit-card__icon svg {
    stroke: var(--gold-400);
}

/* ---- Audience cards ---- */
.audience-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.audience-grid--3 {
    grid-template-columns: repeat(2, 1fr);
}

.audience-grid--3 .audience-card--secondary {
    grid-column: 1 / -1;
    max-width: 540px;
    margin: 0 auto;
    opacity: 0.85;
    padding: 2rem;
}

.audience-grid--3 .audience-card--secondary .audience-card__title {
    font-size: 1.15rem;
}

.audience-grid--3 .audience-card--secondary .audience-card__list li {
    font-size: 0.85rem;
    padding: 0.45rem 0;
}

.audience-card {
    background: var(--navy-800);
    border: 1px solid var(--border-inv);
    border-radius: 14px;
    padding: 2.5rem;
    transition: border-color 0.3s, box-shadow 0.3s, transform 0.22s;
    display: flex;
    flex-direction: column;
}

.audience-card:hover {
    border-color: var(--gold-700);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    transform: translateY(-3px);
}

.audience-card__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    border-radius: 14px;
    margin-bottom: 1.5rem;
}

.audience-card--member .audience-card__icon {
    background: rgba(78, 195, 138, 0.12);
    color: var(--signal-live);
}

.audience-card--producer .audience-card__icon {
    background: rgba(245, 166, 35, 0.12);
    color: #f5a623;
}

.audience-card--consumer .audience-card__icon {
    background: rgba(78, 195, 138, 0.12);
    color: var(--signal-live);
}

.audience-card--organizer .audience-card__icon {
    background: rgba(187, 139, 73, 0.12);
    color: var(--gold-400);
}

.audience-card__title {
    font-size: 1.375rem;
    font-weight: 700;
    margin: 0 0 0.5rem;
    color: var(--navy-100);
}

.audience-card__subtitle {
    font-size: 0.9375rem;
    color: var(--navy-400);
    margin: 0 0 1.5rem;
    line-height: 1.55;
}

.audience-card__list {
    list-style: none;
    padding: 0;
    margin: 0 0 2rem;
    flex: 1;
}

.audience-card__list li {
    padding: 0.6rem 0;
    font-size: 0.9rem;
    color: var(--navy-300);
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    border-bottom: 1px solid var(--border-inv);
}

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

.audience-card__list li::before {
    content: '';
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    margin-top: 0.1rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.audience-card--member .audience-card__list li::before {
    background: rgba(78, 195, 138, 0.12);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%234ec38a' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
}

.audience-card--producer .audience-card__list li::before {
    background: rgba(245, 166, 35, 0.12);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23f5a623' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
}

.audience-card--consumer .audience-card__list li::before {
    background: rgba(78, 195, 138, 0.12);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%234ec38a' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
}

.audience-card--organizer .audience-card__list li::before {
    background: rgba(187, 139, 73, 0.12);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23d4b46c' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
}

.audience-card__cta {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--signal-live);
    text-decoration: none;
    transition: gap 0.22s;
}

.audience-card__cta:hover {
    gap: 0.85rem;
}

.audience-card__cta--producer {
    color: #f5a623;
}

.audience-card__cta--consumer {
    color: var(--signal-live);
}

.audience-card__cta--gold {
    color: var(--gold-700);
}

/* Audience cards in light sections */
.landing-section--light .audience-card {
    background: #fff;
    border-color: var(--border-light);
}

.landing-section--light .audience-card:hover {
    border-color: var(--gold-700);
    box-shadow: 0 8px 32px rgba(23, 28, 41, 0.08);
}

.landing-section--light .audience-card__title {
    color: var(--ink-900);
}

.landing-section--light .audience-card__subtitle {
    color: var(--ink-500);
}

.landing-section--light .audience-card__list li {
    color: var(--ink-700);
    border-bottom-color: var(--border-light);
}

.landing-section--light .audience-card--member .audience-card__icon {
    background: rgba(78, 195, 138, 0.08);
}

.landing-section--light .audience-card--producer .audience-card__icon {
    background: rgba(245, 166, 35, 0.08);
}

.landing-section--light .audience-card--consumer .audience-card__icon {
    background: rgba(78, 195, 138, 0.08);
}

.landing-section--light .audience-card--organizer .audience-card__icon {
    background: var(--gold-50);
}

.landing-section--light .audience-card__cta {
    color: var(--gold-700);
}

/* ---- Trust section ---- */
.trust-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.trust-section__content {
    text-align: left;
}

.trust-section__content .landing-section__title {
    text-align: left;
}

.trust-section__desc {
    font-size: 1rem;
    color: var(--ink-500);
    line-height: 1.7;
    margin-bottom: 2rem;
}

.trust-badges {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.trust-badge {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem 1.25rem;
    background: #fff;
    border: 1px solid var(--border-light);
    border-radius: 8px;
    transition: border-color 0.22s, box-shadow 0.22s;
}

.trust-badge:hover {
    border-color: var(--gold-700);
    box-shadow: 0 4px 12px rgba(23, 28, 41, 0.06);
}

.trust-badge svg {
    flex-shrink: 0;
    margin-top: 0.1rem;
    stroke: var(--gold-700);
}

.trust-badge strong {
    display: block;
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--ink-900);
    margin-bottom: 0.15rem;
}

.trust-badge span {
    font-size: 0.8125rem;
    color: var(--ink-500);
    line-height: 1.4;
}

/* Trust visual (animated rings) */
.trust-section__visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.trust-visual {
    position: relative;
    width: 280px;
    height: 280px;
}

.trust-visual__ring {
    position: absolute;
    border-radius: 50%;
    border: 1px solid var(--paper-200);
}

.trust-visual__ring--1 {
    inset: 0;
    animation: ring-pulse 4s ease-in-out infinite;
}

.trust-visual__ring--2 {
    inset: 30px;
    animation: ring-pulse 4s ease-in-out infinite 0.5s;
    border-color: rgba(187, 139, 73, 0.15);
}

.trust-visual__ring--3 {
    inset: 60px;
    animation: ring-pulse 4s ease-in-out infinite 1s;
    border-color: rgba(187, 139, 73, 0.25);
}

.trust-visual__center {
    position: absolute;
    inset: 90px;
    border-radius: 50%;
    background: var(--gold-50);
    border: 1px solid var(--paper-200);
    display: flex;
    align-items: center;
    justify-content: center;
}

.trust-visual__center svg {
    stroke: var(--gold-500);
}

@keyframes ring-pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.05); opacity: 0.5; }
}

/* ---- FAQ ---- */
.faq-list {
    max-width: 720px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--border-inv);
}

.faq-item summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.35rem 0;
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--navy-200);
    cursor: pointer;
    list-style: none;
    transition: color 0.2s;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: '+';
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--navy-500);
    transition: transform 0.3s cubic-bezier(0.2, 0.7, 0.2, 1);
    flex-shrink: 0;
    margin-left: 1rem;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--navy-800);
}

.faq-item[open] summary::after {
    content: '\2212';
    background: rgba(187, 139, 73, 0.15);
    color: var(--gold-400);
}

.faq-item summary:hover {
    color: var(--gold-400);
}

.faq-item__answer {
    padding: 0 0 1.35rem;
    font-size: 0.9375rem;
    color: var(--navy-400);
    line-height: 1.7;
    max-width: 620px;
}

/* ---- Final CTA ---- */
.final-cta {
    background:
        radial-gradient(ellipse 60% 50% at 50% 30%, rgba(187, 139, 73, 0.1) 0%, transparent 70%),
        linear-gradient(180deg, var(--navy-800) 0%, var(--navy-950) 100%);
    text-align: center;
    padding: 7rem 0;
    position: relative;
    overflow: hidden;
}

.final-cta::before {
    content: '';
    position: absolute;
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 400px;
    background: radial-gradient(ellipse, rgba(187, 139, 73, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.final-cta__content {
    position: relative;
    z-index: 1;
}

.final-cta__title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin: 0 0 1rem;
    color: var(--navy-100);
    line-height: 1.1;
    letter-spacing: -0.025em;
}

.final-cta__sub {
    font-size: 1.0625rem;
    color: var(--navy-400);
    margin: 0 0 2.5rem;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.final-cta__trust {
    font-size: 0.8125rem;
    color: var(--navy-500);
    margin: 0;
    font-weight: 500;
}

.final-cta .btn--secondary {
    color: var(--navy-200);
    border-color: var(--navy-600);
}

.final-cta .btn--secondary:hover {
    border-color: var(--gold-700);
    color: var(--navy-100);
    background: rgba(255, 255, 255, 0.05);
}

/* ---- Footer ---- */
.landing-footer {
    background: var(--navy-950);
    border-top: 1px solid var(--border-inv);
    padding: 3.5rem 0 0;
}

.landing-footer__top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding-bottom: 2.5rem;
    border-bottom: 1px solid var(--border-inv);
    gap: 3rem;
}

.landing-footer__logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.landing-footer__symbol {
    height: 28px;
    width: 28px;
    opacity: 0.7;
}

.landing-footer__wordmark {
    font-family: Georgia, 'Times New Roman', serif;
    font-size: 1.15rem;
    font-weight: 400;
    color: var(--navy-100);
    opacity: 0.7;
    letter-spacing: 0;
}

.landing-footer__brand p {
    font-size: 0.8125rem;
    color: var(--navy-500);
    margin: 0;
    line-height: 1.5;
}

.landing-footer__cols {
    display: flex;
    gap: 4rem;
}

.landing-footer__col {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.landing-footer__col h4 {
    font-family: 'IBM Plex Mono', ui-monospace, monospace;
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--navy-400);
    text-transform: uppercase;
    letter-spacing: 0.14em;
    margin: 0 0 0.5rem;
}

.landing-footer__col a {
    font-size: 0.8125rem;
    color: var(--navy-500);
    text-decoration: none;
    transition: color 0.2s;
}

.landing-footer__col a:hover {
    color: var(--gold-400);
}

.landing-footer__bottom {
    padding: 1.5rem 0;
}

.landing-footer__bottom p {
    font-size: 0.8125rem;
    color: var(--navy-600);
    margin: 0;
}

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

    .hero__text {
        text-align: center;
    }

    .hero__sub {
        margin-left: auto;
        margin-right: auto;
    }

    .hero__actions {
        justify-content: center;
    }

    .hero__proof {
        justify-content: center;
    }

    .energy-anim {
        width: 320px;
        height: 320px;
    }

    .trust-section {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .trust-section__visual {
        order: -1;
    }

    .trust-section__content {
        text-align: center;
    }

    .trust-section__content .landing-section__title {
        text-align: center;
    }

    .trust-visual {
        width: 200px;
        height: 200px;
    }

    .trust-visual__ring--2 { inset: 20px; }
    .trust-visual__ring--3 { inset: 40px; }
    .trust-visual__center { inset: 60px; }

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

@media (max-width: 768px) {
    .hero {
        padding: 5rem 0 3.5rem;
    }

    .hero__split {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero__text {
        text-align: center;
    }

    .hero__sub {
        margin-left: auto;
        margin-right: auto;
    }

    .hero__actions {
        justify-content: center;
    }

    .hero__proof {
        justify-content: center;
    }

    .hero__visual {
        order: -1;
    }

    .energy-anim {
        width: 260px;
        height: 260px;
    }

    .energy-anim__sun {
        width: 56px;
        height: 56px;
    }

    .energy-anim__sun svg {
        width: 30px;
        height: 30px;
    }

    .energy-anim__node {
        width: 36px;
        height: 36px;
        border-radius: 10px;
    }

    .energy-anim__node svg {
        width: 16px;
        height: 16px;
    }

    .energy-anim__node--1 { top: 12px; }
    .energy-anim__node--2 { top: 62px; right: 8px; }
    .energy-anim__node--3 { bottom: 32px; right: 22px; }
    .energy-anim__node--4 { bottom: 32px; left: 22px; }
    .energy-anim__node--5 { top: 62px; left: 8px; }

    .landing-section {
        padding: 4rem 0;
    }

    .landing-nav__link--text {
        display: none;
    }

    .steps {
        grid-template-columns: 1fr;
        gap: 1rem;
        max-width: 420px;
        margin-left: auto;
        margin-right: auto;
    }

    .benefits-grid {
        grid-template-columns: 1fr;
        max-width: 420px;
        margin-left: auto;
        margin-right: auto;
    }

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

    .audience-grid--3 .audience-card--secondary {
        max-width: 100%;
    }

    .proof-bar__inner {
        gap: 1.5rem;
    }

    .proof-bar__divider {
        display: none;
    }

    .proof-bar__stat strong {
        font-size: 1.375rem;
    }

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

    .btn--lg {
        width: 100%;
        max-width: 320px;
    }

    .hero__proof {
        flex-direction: column;
        align-items: center;
        gap: 0.75rem;
    }

    .landing-footer__top {
        flex-direction: column;
        text-align: center;
        gap: 2rem;
    }

    .landing-footer__cols {
        gap: 2.5rem;
        justify-content: center;
    }

    .landing-footer__bottom {
        text-align: center;
    }

    .final-cta {
        padding: 4rem 0;
    }

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

@media (max-width: 480px) {
    .proof-bar__inner {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 1.25rem;
    }
}

/* ==========================================================================
   Savings Calculator
   ========================================================================== */

.calc-section {
    background: var(--navy-900);
}

.calc {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    background: var(--navy-800);
    border: 1px solid var(--border-inv);
    border-radius: 16px;
    padding: 2.5rem;
    max-width: 960px;
    margin: 0 auto;
}

/* ---- Segment Toggle ---- */
.calc__segment {
    display: flex;
    position: relative;
    background: var(--navy-900);
    border-radius: 10px;
    padding: 4px;
    margin-bottom: 1.75rem;
}

.calc__seg-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.6rem 1rem;
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--navy-400);
    background: none;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    position: relative;
    z-index: 1;
    transition: color 0.25s, background 0.2s;
}

.calc__seg-btn:not(.calc__seg-btn--active):hover {
    color: var(--navy-200);
    background: rgba(255, 255, 255, 0.05);
}

.calc__seg-btn--active {
    color: var(--navy-950);
    background: transparent;
}

.calc__seg-btn--active:hover {
    color: var(--navy-950);
    background: transparent;
}

.calc__seg-indicator {
    position: absolute;
    top: 4px;
    left: 4px;
    height: calc(100% - 8px);
    background: var(--grad-gold);
    border-radius: 8px;
    transition: left 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 0;
    box-shadow: var(--shadow-gold);
}

/* ---- Slider ---- */
/* ---- Role Selector ---- */
.calc__role {
    margin-bottom: 1.75rem;
}

.calc__role-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--navy-400);
    margin-bottom: 0.6rem;
}

.calc__role-selector {
    display: flex;
    position: relative;
    background: var(--navy-900);
    border-radius: 10px;
    padding: 3px;
}

.calc__role-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.5rem 0.75rem;
    font-family: inherit;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--navy-400);
    background: none;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    position: relative;
    z-index: 1;
    transition: color 0.25s, background 0.2s;
}

.calc__role-btn:not(.calc__role-btn--active):hover {
    color: var(--navy-200);
    background: rgba(255, 255, 255, 0.05);
}

.calc__role-btn--active {
    color: var(--navy-950);
    background: transparent;
}

.calc__role-btn--active:hover {
    color: var(--navy-950);
    background: transparent;
}

.calc__role-indicator {
    position: absolute;
    top: 3px;
    left: 3px;
    height: calc(100% - 6px);
    background: var(--grad-gold);
    border-radius: 8px;
    transition: left 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 0;
    box-shadow: var(--shadow-gold);
}

/* ---- Slider ---- */
.calc__slider-group {
    margin-bottom: 1.75rem;
}

.calc__slider-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.calc__slider-icon {
    color: var(--gold-500);
    display: flex;
}

.calc__slider-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--navy-200);
}

.calc__slider-value {
    margin-left: auto;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--gold-400);
}

.calc__slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    background: var(--navy-700);
    border-radius: 3px;
    outline: none;
    cursor: pointer;
}

.calc__slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 22px;
    height: 22px;
    background: var(--grad-gold);
    border: 3px solid var(--navy-800);
    border-radius: 50%;
    cursor: grab;
    box-shadow: 0 2px 8px rgba(187, 139, 73, 0.4);
    transition: box-shadow 0.2s, transform 0.2s;
}

.calc__slider::-webkit-slider-thumb:hover {
    box-shadow: 0 2px 16px rgba(187, 139, 73, 0.6);
    transform: scale(1.1);
}

.calc__slider::-moz-range-thumb {
    width: 22px;
    height: 22px;
    background: var(--grad-gold);
    border: 3px solid var(--navy-800);
    border-radius: 50%;
    cursor: grab;
    box-shadow: 0 2px 8px rgba(187, 139, 73, 0.4);
}

.calc__slider-range {
    display: flex;
    justify-content: space-between;
    margin-top: 0.4rem;
    font-size: 0.75rem;
    color: var(--navy-500);
}

/* ---- Toggles ---- */
.calc__toggles {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.calc__toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    background: var(--navy-900);
    border: 1px solid var(--border-inv);
    border-radius: 10px;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
}

.calc__toggle:hover {
    border-color: var(--border-inv-strong);
    background: rgba(29, 37, 56, 0.8);
}

.calc__toggle-info {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    color: var(--navy-200);
    font-size: 0.9rem;
    font-weight: 500;
}

.calc__toggle-info svg {
    color: var(--navy-400);
    flex-shrink: 0;
}


.calc__toggle-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    font-size: 0.5625rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    color: var(--navy-200);
    background: var(--navy-700);
    border-radius: 4px;
    flex-shrink: 0;
}

.calc__toggle-input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.calc__toggle-switch {
    position: relative;
    width: 44px;
    height: 24px;
    background: var(--navy-700);
    border-radius: 12px;
    flex-shrink: 0;
    transition: background 0.25s;
}

.calc__toggle-switch::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 18px;
    height: 18px;
    background: var(--navy-300);
    border-radius: 50%;
    transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1),
                background 0.25s;
}

.calc__toggle-input:checked + .calc__toggle-switch {
    background: var(--gold-600);
}

.calc__toggle-input:checked + .calc__toggle-switch::after {
    transform: translateX(20px);
    background: #fff;
}

/* ---- Results ---- */
.calc__results {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.calc__result-card {
    text-align: center;
    width: 100%;
    padding: 1.5rem;
    background: var(--navy-900);
    border: 1px solid var(--border-inv);
    border-radius: 12px;
}

.calc__result-card--highlight {
    background: rgba(187, 139, 73, 0.08);
    border-color: var(--border-gold);
}

.calc__result-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--navy-400);
    margin-bottom: 0.5rem;
}

.calc__result-amount {
    display: block;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 2.25rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 0.35rem;
}

.calc__result-amount--cost {
    color: var(--navy-200);
}

.calc__result-amount--savings {
    color: var(--gold-400);
}

.calc__result-sub {
    display: block;
    font-size: 0.8125rem;
    color: var(--navy-500);
}

.calc__result-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    transform: rotate(90deg);
    opacity: 0.5;
}

.calc__result-pop {
    animation: calcPop 0.3s ease-out;
}

@keyframes calcPop {
    0%   { transform: scale(1); }
    50%  { transform: scale(1.04); }
    100% { transform: scale(1); }
}

.calc__cta {
    width: 100%;
    text-align: center;
    justify-content: center;
    margin-top: 0.5rem;
}

.calc__disclaimer {
    font-size: 0.6875rem;
    color: var(--navy-500);
    text-align: center;
    margin: 0.5rem 0 0;
    line-height: 1.4;
}

/* ---- Calculator Responsive ---- */
@media (max-width: 768px) {
    .calc {
        grid-template-columns: 1fr;
        padding: 1.5rem;
        gap: 2rem;
    }

    .calc__result-amount {
        font-size: 1.75rem;
    }

    .calc__result-divider {
        transform: rotate(0deg);
    }
}

@media (max-width: 480px) {
    .calc {
        padding: 1.25rem;
    }

    .calc__seg-btn {
        font-size: 0.8125rem;
        padding: 0.5rem 0.75rem;
    }
}