/* =====================================================
   PVCAD — Shared Stylesheet
   Primary: #F5C400 (Yellow)
   Fonts: Syne (display) + DM Sans (body)
   ===================================================== */

@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;500;600;700;800&family=DM+Sans:ital,wght@0,300;0,400;0,500;0,600;1,400&display=swap');

/* ── CSS Variables ── */
:root {
    --yellow: #F5C400;
    --yellow-light: #FFD740;
    --yellow-dim: rgba(245,196,0,0.15);
    --yellow-glow: rgba(245,196,0,0.35);
    /* Light theme */
    --bg: #F8F9FA;
    --bg-card: #FFFFFF;
    --bg-nav: rgba(248,249,250,0.92);
    --bg-footer: #1A1A1A;
    --text: #111111;
    --text-muted: #555555;
    --text-faint: #888888;
    --border: rgba(0,0,0,0.09);
    --shadow: 0 2px 20px rgba(0,0,0,0.07);
    --shadow-lg: 0 8px 40px rgba(0,0,0,0.12);
    --hero-bg: linear-gradient(135deg,#0F1923 0%,#1A2D3A 50%,#0D2033 100%);
}

[data-theme="dark"] {
    --bg: #0D0D0D;
    --bg-card: #161616;
    --bg-nav: rgba(13,13,13,0.93);
    --text: #F0F0F0;
    --text-muted: #999999;
    --text-faint: #666666;
    --border: rgba(255,255,255,0.07);
    --shadow: 0 2px 20px rgba(0,0,0,0.4);
    --shadow-lg: 0 8px 40px rgba(0,0,0,0.6);
    --hero-bg: linear-gradient(135deg,#050A0F 0%,#0D1A22 50%,#050F18 100%);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'DM Sans',sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.65;
    transition: background .3s,color .3s;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

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

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

ul {
    list-style: none;
}

/* ── Typography ── */
.display {
    font-family: 'Syne',sans-serif;
}

h1, h2, h3, h4 {
    font-family: 'Syne',sans-serif;
    font-weight: 700;
    line-height: 1.2;
}

h1 {
    font-size: clamp(1.9rem,4vw,3.2rem);
}

h2 {
    font-size: clamp(1.5rem,3vw,2.3rem);
}

h3 {
    font-size: clamp(1.1rem,2vw,1.4rem);
}

/* ── Layout ── */
.container {
    width: 100%;
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 24px;
}

main {
    flex: 1;
}

/* ═══════════════════════════════════════════════
   NAVBAR
═══════════════════════════════════════════════ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--bg-nav);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    transition: background .3s,border-color .3s;
}

.nav-inner {
    display: flex;
    align-items: center;
    gap: 8px;
    height: 64px;
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 24px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: 'Syne',sans-serif;
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: -0.03em;
    margin-right: auto;
}

    .nav-logo .logo-icon {
        width: 32px;
        height: 32px;
        background: transparent;
        border-radius: 8px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.1rem;
        flex-shrink: 0;
    }

    .nav-logo .logo-text {
        color: var(--text);
    }

        .nav-logo .logo-text span {
            color: var(--yellow);
        }

.nav-links {
    display: flex;
    align-items: center;
    gap: 2px;
}

    .nav-links a {
        padding: 7px 14px;
        border-radius: 8px;
        font-size: .92rem;
        font-weight: 500;
        color: var(--text-muted);
        transition: color .2s,background .2s;
    }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--text);
            background: var(--border);
        }

.nav-right {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Theme toggle */
.theme-btn {
    width: 38px;
    height: 38px;
    border: none;
    border-radius: 10px;
    background: var(--border);
    cursor: pointer;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text);
    transition: background .2s,transform .15s;
}

    .theme-btn:hover {
        background: var(--yellow-dim);
        transform: scale(1.08);
    }

/* Sign In button */
.btn-signin {
    padding: 8px 20px;
    border-radius: 10px;
    background: var(--yellow);
    color: #111;
    font-weight: 600;
    font-size: .9rem;
    font-family: 'DM Sans',sans-serif;
    border: none;
    cursor: pointer;
    transition: background .2s,transform .15s,box-shadow .2s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

    .btn-signin:hover {
        background: var(--yellow-light);
        transform: translateY(-1px);
        box-shadow: 0 4px 16px var(--yellow-glow);
    }

/* Hamburger */
.nav-hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 38px;
    height: 38px;
    background: none;
    border: none;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
}

    .nav-hamburger span {
        display: block;
        width: 22px;
        height: 2px;
        background: var(--text);
        border-radius: 2px;
        transition: transform .25s, opacity .25s;
    }

/* ═══════════════════════════════════════════════
   BUTTONS
═══════════════════════════════════════════════ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 13px 28px;
    border-radius: 12px;
    font-family: 'DM Sans',sans-serif;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    border: none;
    transition: all .2s;
    text-decoration: none;
}

.btn-primary {
    background: var(--yellow);
    color: #111;
}

    .btn-primary:hover {
        background: var(--yellow-light);
        transform: translateY(-2px);
        box-shadow: 0 6px 24px var(--yellow-glow);
    }

.btn-outline {
    background: transparent;
    color: var(--text);
    border: 1.5px solid var(--border);
}

    .btn-outline:hover {
        border-color: var(--yellow);
        color: var(--yellow);
        transform: translateY(-2px);
    }

/* ═══════════════════════════════════════════════
   HERO
═══════════════════════════════════════════════ */
.hero {
    background: var(--hero-bg);
    padding: 140px 0 100px;
    position: relative;
    overflow: hidden;
}

    .hero::before {
        content: '';
        position: absolute;
        inset: 0;
        background: radial-gradient(ellipse 60% 50% at 70% 40%, rgba(245,196,0,0.12) 0%, transparent 70%), radial-gradient(ellipse 40% 40% at 20% 60%, rgba(0,120,200,0.08) 0%, transparent 60%);
        pointer-events: none;
    }
    /* Solar grid pattern */
    .hero::after {
        content: '';
        position: absolute;
        inset: 0;
        background-image: linear-gradient(rgba(245,196,0,0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(245,196,0,0.04) 1px, transparent 1px);
        background-size: 60px 60px;
        pointer-events: none;
    }

.hero-inner {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 24px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--yellow-dim);
    border: 1px solid var(--yellow-glow);
    color: var(--yellow);
    padding: 6px 14px;
    border-radius: 999px;
    font-size: .82rem;
    font-weight: 600;
    margin-bottom: 24px;
    backdrop-filter: blur(8px);
}

.hero h1 {
    color: #FFFFFF;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

    .hero h1 span {
        color: var(--yellow);
    }

.hero p {
    color: rgba(255,255,255,0.7);
    font-size: 1.1rem;
    margin-bottom: 36px;
    max-width: 480px;
}

.hero-cta {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: 32px;
    margin-top: 52px;
    padding-top: 32px;
    border-top: 1px solid rgba(255,255,255,0.08);
}

.hero-stat-num {
    font-family: 'Syne',sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--yellow);
}

.hero-stat-label {
    font-size: .82rem;
    color: rgba(255,255,255,0.5);
    margin-top: 2px;
}

/* Hero Visual Panel */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-card {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 20px;
    padding: 32px;
    width: 100%;
    max-width: 420px;
    backdrop-filter: blur(12px);
    position: relative;
}

.hero-card-title {
    font-family: 'Syne',sans-serif;
    color: #fff;
    font-size: .9rem;
    font-weight: 600;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}

    .hero-card-title::before {
        content: '';
        width: 8px;
        height: 8px;
        border-radius: 50%;
        background: var(--yellow);
        animation: pulse-dot 2s infinite;
    }

@keyframes pulse-dot {
    0%,100% {
        box-shadow: 0 0 0 0 var(--yellow-glow)
    }

    50% {
        box-shadow: 0 0 0 6px transparent
    }
}
/* Solar grid SVG placeholder */
.solar-grid-visual {
    width: 100%;
    aspect-ratio: 4/3;
    border-radius: 12px;
    background: linear-gradient(135deg,#0a1520,#0d2035);
    border: 1px solid rgba(245,196,0,0.15);
    display: grid;
    grid-template-columns: repeat(6,1fr);
    grid-template-rows: repeat(4,1fr);
    gap: 4px;
    padding: 12px;
    overflow: hidden;
}

.solar-cell {
    background: linear-gradient(135deg,#1a3a5c,#0d2540);
    border-radius: 4px;
    border: 1px solid rgba(245,196,0,0.2);
    position: relative;
    overflow: hidden;
}

    .solar-cell::after {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(135deg,rgba(245,196,0,0.1),transparent);
    }

    .solar-cell.active {
        background: linear-gradient(135deg,#1e4870,#0f3060);
        border-color: var(--yellow);
    }

        .solar-cell.active::after {
            background: linear-gradient(135deg,rgba(245,196,0,0.25),transparent);
        }

.hero-card-info {
    margin-top: 16px;
    display: flex;
    gap: 12px;
}

.info-chip {
    flex: 1;
    background: rgba(245,196,0,0.08);
    border: 1px solid var(--yellow-glow);
    border-radius: 8px;
    padding: 8px 12px;
    font-size: .78rem;
    color: rgba(255,255,255,0.7);
    display: flex;
    flex-direction: column;
    gap: 2px;
}

    .info-chip strong {
        color: var(--yellow);
        font-size: .9rem;
    }

/* ═══════════════════════════════════════════════
   SECTION COMMONS
═══════════════════════════════════════════════ */
section {
    padding: 96px 0;
}

.section-label {
    display: inline-block;
    color: var(--yellow);
    font-size: .78rem;
    font-weight: 700;
    letter-spacing: .12em;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.section-title {
    margin-bottom: 16px;
}

.section-subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
    max-width: 560px;
    margin-bottom: 60px;
}

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

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 28px;
    transition: border-color .25s,box-shadow .25s,transform .25s;
    cursor: default;
}

    .feature-card:hover {
        border-color: var(--yellow);
        box-shadow: 0 0 0 1px var(--yellow), 0 8px 32px var(--yellow-dim);
        transform: translateY(-4px);
    }

.feature-icon {
    width: 48px;
    height: 48px;
    background: var(--yellow-dim);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    margin-bottom: 18px;
    border: 1px solid var(--yellow-glow);
}

.feature-card h3 {
    font-size: 1.05rem;
    margin-bottom: 10px;
}

.feature-card p {
    color: var(--text-muted);
    font-size: .92rem;
}

/* ═══════════════════════════════════════════════
   HOW IT WORKS
═══════════════════════════════════════════════ */
.steps-section {
    background: var(--hero-bg);
    position: relative;
    overflow: hidden;
}

    .steps-section::before {
        content: '';
        position: absolute;
        inset: 0;
        background: radial-gradient(ellipse 50% 60% at 80% 50%, rgba(245,196,0,0.07) 0%, transparent 70%);
        pointer-events: none;
    }

    .steps-section .section-label,
    .steps-section .section-title {
        color: #fff;
    }

    .steps-section .section-subtitle {
        color: rgba(255,255,255,0.6);
    }

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

    .steps-grid::before {
        content: '';
        position: absolute;
        top: 40px;
        left: 10%;
        right: 10%;
        height: 1px;
        background: linear-gradient(90deg,transparent,var(--yellow-glow),var(--yellow),var(--yellow-glow),transparent);
        z-index: 0;
    }

.step-card {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 16px;
    padding: 28px 24px;
    text-align: center;
    position: relative;
    z-index: 1;
    backdrop-filter: blur(8px);
    transition: border-color .25s,transform .25s;
}

    .step-card:hover {
        border-color: var(--yellow-glow);
        transform: translateY(-4px);
    }

.step-num {
    width: 56px;
    height: 56px;
    background: var(--yellow);
    border-radius: 50%;
    color: #111;
    font-family: 'Syne',sans-serif;
    font-weight: 700;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 18px;
    box-shadow: 0 0 24px var(--yellow-glow);
}

.step-card h3 {
    color: #fff;
    font-size: 1rem;
    margin-bottom: 10px;
}

.step-card p {
    color: rgba(255,255,255,0.55);
    font-size: .88rem;
}

/* ═══════════════════════════════════════════════
   PRICING
═══════════════════════════════════════════════ */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3,1fr);
    gap: 24px;
    align-items: start;
}

.pricing-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 36px 32px;
    transition: border-color .25s,box-shadow .25s,transform .25s;
    position: relative;
}

    .pricing-card:hover {
        transform: translateY(-4px);
    }

    .pricing-card.featured {
        border-color: var(--yellow);
        box-shadow: 0 0 0 1px var(--yellow), 0 16px 48px var(--yellow-dim);
    }

.pricing-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--yellow);
    color: #111;
    font-size: .75rem;
    font-weight: 700;
    letter-spacing: .06em;
    padding: 5px 14px;
    border-radius: 999px;
    white-space: nowrap;
}

.plan-name {
    font-family: 'Syne',sans-serif;
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.plan-price {
    font-family: 'Syne',sans-serif;
    font-size: 2.0rem;
    font-weight: 700;
    color: var(--text);
    display: flex;
    align-items: baseline;
    gap: 4px;
}

    .plan-price sup {
        font-size: 1.2rem;
        margin-top: 8px;
    }

    .plan-price span {
        font-size: .9rem;
        color: var(--text-faint);
        font-weight: 400;
    }

.plan-desc {
    color: var(--text-muted);
    font-size: .88rem;
    margin: 12px 0 24px;
}

.plan-divider {
    height: 1px;
    background: var(--border);
    margin: 24px 0;
}

.plan-features li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: .9rem;
    color: var(--text-muted);
    margin-bottom: 12px;
}

    .plan-features li::before {
        content: '✓';
        color: var(--yellow);
        font-weight: 700;
        flex-shrink: 0;
        margin-top: 1px;
    }

.plan-btn {
    width: 100%;
    margin-top: 28px;
    padding: 13px;
    border-radius: 12px;
    font-family: 'DM Sans',sans-serif;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    border: none;
    transition: all .2s;
}

.plan-btn-primary {
    background: var(--yellow);
    color: #111;
}

    .plan-btn-primary:hover {
        background: var(--yellow-light);
        box-shadow: 0 4px 20px var(--yellow-glow);
    }

.plan-btn-outline {
    background: transparent;
    color: var(--text);
    border: 1.5px solid var(--border);
}

    .plan-btn-outline:hover {
        border-color: var(--yellow);
        color: var(--yellow);
    }

/* ═══════════════════════════════════════════════
   TESTIMONIALS / CTA BAND
═══════════════════════════════════════════════ */
.cta-band {
    background: linear-gradient(90deg, #F5C400 0%, #FF8C00 100%);
    padding: 80px 0;
    text-align: center;
}

    .cta-band h2 {
        color: #111;
        font-size: clamp(1.8rem,3.5vw,2.6rem);
        margin-bottom: 14px;
    }

    .cta-band p {
        color: rgba(0,0,0,0.65);
        font-size: 1.1rem;
        margin-bottom: 36px;
    }

.btn-dark {
    background: #111;
    color: #fff;
    padding: 13px 32px;
    border-radius: 12px;
    font-family: 'DM Sans',sans-serif;
    font-weight: 600;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    transition: all .2s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

    .btn-dark:hover {
        background: #222;
        transform: translateY(-2px);
        box-shadow: 0 6px 24px rgba(0,0,0,0.3);
    }

/* ═══════════════════════════════════════════════
   FOOTER
═══════════════════════════════════════════════ */
footer {
    background: var(--bg-footer);
    color: rgba(255,255,255,0.6);
    transition: background .3s, color .3s;
    padding: 64px 0 32px;
}

.footer-inner {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand .nav-logo {
    margin-right: 0;
    margin-bottom: 14px;
}

.footer-brand p {
    font-size: .88rem;
    max-width: 260px;
    line-height: 1.7;
}

.footer-col h4 {
    font-family: 'Syne',sans-serif;
    color: #fff;
    font-size: .9rem;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: .04em;
}

.footer-col a {
    display: block;
    color: rgba(255,255,255,0.45);
    font-size: .88rem;
    margin-bottom: 10px;
    transition: color .2s;
}

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

[data-theme="light"] .footer-col a:hover {
    color: var(--yellow);
}

[data-theme="light"] .footer-legal a:hover {
    color: var(--yellow);
}

[data-theme="light"] .footer-bottom a:hover {
    color: var(--yellow);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.07);
    padding-top: 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: .82rem;
}

.footer-legal {
    display: flex;
    gap: 20px;
}

    .footer-legal a {
        color: rgba(255,255,255,0.4);
        transition: color .2s;
    }

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

footer {
    background: #1A1A1A;
}

[data-theme="light"] footer {
    background: #F0F2F4;
    color: #444;
}

[data-theme="light"] .footer-col h4 {
    color: #111;
}

[data-theme="light"] .footer-col a {
    color: #555;
}

[data-theme="light"] .footer-brand p {
    color: #555;
}

[data-theme="light"] .footer-bottom {
    border-top-color: rgba(0,0,0,0.1);
    color: #666;
}

[data-theme="light"] .footer-legal a {
    color: #666;
}

/* ═══════════════════════════════════════════════
   FOOTER SOCIAL ICONS
═══════════════════════════════════════════════ */
.footer-social {
    display: flex;
    align-items: center;
    gap: 12px;
}

    .footer-social a {
        width: 36px;
        height: 36px;
        border-radius: 9px;
        background: rgba(255,255,255,0.07);
        border: 1px solid rgba(255,255,255,0.1);
        display: flex;
        align-items: center;
        justify-content: center;
        color: rgba(255,255,255,0.5);
        transition: background .2s, color .2s, border-color .2s, transform .15s;
    }
        /* Brand colors on hover — both themes */
        .footer-social a[aria-label="LinkedIn"]:hover {
            background: #0A66C2;
            border-color: #0A66C2;
            color: #fff !important;
            transform: translateY(-2px);
        }

        .footer-social a[aria-label="Instagram"]:hover {
            background: radial-gradient(circle at 30% 110%,#f9a825,#e91e8c 50%,#6e40c9);
            border-color: #e91e8c;
            color: #fff !important;
            transform: translateY(-2px);
        }

        .footer-social a[aria-label="X (Twitter)"]:hover {
            background: #000;
            border-color: #333;
            color: #fff !important;
            transform: translateY(-2px);
        }

        .footer-social a[aria-label="YouTube"]:hover {
            background: #FF0000;
            border-color: #FF0000;
            color: #fff !important;
            transform: translateY(-2px);
        }
/* Light theme default state */
[data-theme="light"] .footer-social a {
    background: rgba(0,0,0,0.06);
    border-color: rgba(0,0,0,0.12);
    color: #555;
}

/* ═══════════════════════════════════════════════
   PAGE HEADER (inner pages)
═══════════════════════════════════════════════ */
.page-hero {
    background: var(--hero-bg);
    padding: 120px 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

    .page-hero::before {
        content: '';
        position: absolute;
        inset: 0;
        background: radial-gradient(ellipse 50% 50% at 50% 50%, rgba(245,196,0,0.1) 0%, transparent 70%);
        pointer-events: none;
    }

    .page-hero::after {
        content: '';
        position: absolute;
        inset: 0;
        background-image: linear-gradient(rgba(245,196,0,0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(245,196,0,0.04) 1px, transparent 1px);
        background-size: 60px 60px;
        pointer-events: none;
    }

.page-hero-inner {
    position: relative;
    z-index: 1;
}

.page-hero h1 {
    color: #fff;
    margin-bottom: 14px;
}

.page-hero p {
    color: rgba(255,255,255,0.6);
    font-size: 1.1rem;
    max-width: 560px;
    margin: 0 auto;
}

/* ═══════════════════════════════════════════════
   SIGN IN MODAL
═══════════════════════════════════════════════ */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0,0,0,0.55);
    backdrop-filter: blur(4px);
    align-items: center;
    justify-content: center;
}

    .modal-overlay.open {
        display: flex;
    }

.modal-box {
    background: #fff;
    border-radius: 20px;
    padding: 16px 24px 16px 24px;
    width: 100%;
    max-width: 420px;
    position: relative;
    box-shadow: 0 24px 80px rgba(0,0,0,0.22);
    animation: modalIn .25s ease;
}

[data-theme="dark"] .modal-box {
    background: #1a1a1a;
}

@keyframes modalIn {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.97);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.1rem;
    color: var(--text-faint);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background .2s, color .2s;
}

    .modal-close:hover {
        background: var(--border);
        color: var(--text);
    }

.modal-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--yellow-dim);
    border: 1.5px solid var(--yellow-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    margin: 0 auto 8px;
}

.modal-box h2 {
    font-family: 'Syne',sans-serif;
    font-size: 1.35rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 6px;
    color: #111;
}

[data-theme="dark"] .modal-box h2 {
    color: #f0f0f0;
}

.modal-box .modal-sub {
    text-align: center;
    color: #888;
    font-size: .88rem;
    margin-bottom: 28px;
}

.modal-field {
    margin-bottom: 16px;
}

    .modal-field label {
        display: block;
        font-size: .83rem;
        font-weight: 500;
        margin-bottom: 6px;
        color: #555;
    }

[data-theme="dark"] .modal-field label {
    color: #aaa;
}

.modal-field input {
    width: 100%;
    padding: 11px 14px;
    border: 1.5px solid #e0e0e0;
    border-radius: 10px;
    font-family: 'DM Sans',sans-serif;
    font-size: .95rem;
    color: #111;
    background: #fafafa;
    outline: none;
    transition: border-color .2s, box-shadow .2s;
}

[data-theme="dark"] .modal-field input {
    background: #222;
    border-color: #333;
    color: #f0f0f0;
}

.modal-field input:focus {
    border-color: var(--yellow);
    box-shadow: 0 0 0 3px var(--yellow-dim);
}

.modal-field input::placeholder {
    color: #bbb;
}

.modal-forgot {
    display: block;
    text-align: right;
    font-size: .82rem;
    color: var(--yellow);
    font-weight: 600;
    margin: -8px 0 20px;
    cursor: pointer;
}

    .modal-forgot:hover {
        text-decoration: underline;
    }

.modal-submit {
    width: 100%;
    padding: 13px;
    background: var(--yellow);
    color: #111;
    border: none;
    border-radius: 12px;
    font-family: 'DM Sans',sans-serif;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: background .2s, box-shadow .2s, transform .15s;
}

    .modal-submit:hover {
        background: var(--yellow-light);
        box-shadow: 0 4px 20px var(--yellow-glow);
        transform: translateY(-1px);
    }

.modal-footer {
    text-align: center;
    margin-top: 20px;
    font-size: .85rem;
    color: #888;
}

    .modal-footer a {
        color: var(--yellow);
        font-weight: 600;
        cursor: pointer;
    }

        .modal-footer a:hover {
            text-decoration: underline;
        }

.modal-error {
    background: #fff0f0;
    border: 1px solid #ffcccc;
    color: #cc3333;
    border-radius: 8px;
    padding: 9px 12px;
    font-size: .85rem;
    margin-bottom: 14px;
    display: none;
}

.modal-success {
    background: #f0fff4;
    border: 1px solid #86efac;
    color: #166534;
    border-radius: 8px;
    padding: 9px 12px;
    font-size: .85rem;
    margin-bottom: 14px;
    display: none;
}

/* Tab switcher */
.modal-tabs {
    display: flex;
    border-bottom: 1px solid var(--border);
    margin-bottom: 24px;
    gap: 0;
}

.modal-tab {
    flex: 1;
    padding: 10px;
    background: none;
    border: none;
    font-family: 'DM Sans',sans-serif;
    font-size: .9rem;
    font-weight: 500;
    cursor: pointer;
    color: #999;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    transition: color .2s, border-color .2s;
}

    .modal-tab.active {
        color: var(--yellow);
        border-bottom-color: var(--yellow);
        font-weight: 700;
    }

[data-theme="dark"] .modal-tab {
    color: #666;
}

.modal-panel {
    display: none;
}

    .modal-panel.active {
        display: block;
    }

/* ═══════════════════════════════════════════════
   CONTACT FORM
═══════════════════════════════════════════════ */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 60px;
    align-items: start;
}

.contact-info h3 {
    margin-bottom: 12px;
}

.contact-info p {
    color: var(--text-muted);
    margin-bottom: 28px;
}

.contact-detail {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 20px;
    padding: 18px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
}

.contact-detail-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--yellow-dim);
    border: 1px solid var(--yellow-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.contact-detail-text strong {
    display: block;
    font-size: .88rem;
    color: var(--text-muted);
}

.contact-detail-text span {
    font-size: .95rem;
}

.contact-form {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 36px;
}

.form-group {
    margin-bottom: 20px;
}

    .form-group label {
        display: block;
        font-size: .88rem;
        font-weight: 500;
        margin-bottom: 8px;
        color: var(--text-muted);
    }

    .form-group input,
    .form-group textarea,
    .form-group select {
        width: 100%;
        padding: 12px 16px;
        background: var(--bg);
        border: 1.5px solid var(--border);
        border-radius: 10px;
        font-family: 'DM Sans',sans-serif;
        font-size: .95rem;
        color: var(--text);
        transition: border-color .2s,box-shadow .2s;
        outline: none;
        resize: vertical;
    }

        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: var(--yellow);
            box-shadow: 0 0 0 3px var(--yellow-dim);
        }

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

/* ═══════════════════════════════════════════════
   ABOUT
═══════════════════════════════════════════════ */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-visual {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 40px;
    text-align: center;
}

.about-icon-big {
    font-size: 5rem;
    margin-bottom: 16px;
}

.about-list {
    margin-top: 24px;
}

    .about-list li {
        display: flex;
        align-items: center;
        gap: 12px;
        padding: 12px 0;
        border-bottom: 1px solid var(--border);
        font-size: .95rem;
        color: var(--text-muted);
    }

        .about-list li:last-child {
            border-bottom: none;
        }

        .about-list li span:first-child {
            font-size: 1.1rem;
        }

/* ═══════════════════════════════════════════════
   LEGAL PAGES
═══════════════════════════════════════════════ */
.legal-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 80px 24px;
}

    .legal-content h2 {
        font-size: 1.4rem;
        margin: 36px 0 12px;
        color: var(--yellow);
    }

        .legal-content h2:first-child {
            margin-top: 0;
        }

    .legal-content p {
        color: var(--text-muted);
        margin-bottom: 14px;
        font-size: .95rem;
        line-height: 1.8;
    }

    .legal-content ul {
        margin: 12px 0 14px 20px;
        color: var(--text-muted);
        font-size: .95rem;
    }

        .legal-content ul li {
            margin-bottom: 8px;
            list-style: disc;
        }

.legal-last-updated {
    display: inline-block;
    background: var(--yellow-dim);
    border: 1px solid var(--yellow-glow);
    color: var(--yellow);
    font-size: .8rem;
    font-weight: 600;
    padding: 5px 12px;
    border-radius: 999px;
    margin-bottom: 32px;
}

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

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

        .steps-grid::before {
            display: none;
        }

    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 480px;
        margin: 0 auto;
    }

    .footer-inner {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }

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

    .hero p {
        margin: 0 auto 36px;
    }

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

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

    .hero-visual {
        display: none;
    }

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

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

@media(max-width:768px) {
    .nav-links {
        display: none;
    }

    .nav-hamburger {
        display: flex;
    }

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

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

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

    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

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

    /* Mobile menu overlay */
    .nav-mobile-open .nav-links {
        display: flex;
        flex-direction: column;
        gap: 4px;
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--bg-nav);
        backdrop-filter: blur(20px);
        padding: 24px;
        z-index: 999;
        align-items: flex-start;
    }

        .nav-mobile-open .nav-links a {
            font-size: 1.1rem;
            padding: 12px 16px;
            width: 100%;
            border-radius: 12px;
        }
}

@media(max-width:480px) {
    .hero {
        padding: 110px 0 70px;
    }

    section {
        padding: 64px 0;
    }

    .hero-stats {
        flex-direction: column;
        gap: 16px;
    }
}

/* ── Fade-in animation ── */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-up {
    animation: fadeUp .6s ease forwards;
}

.fade-up-d1 {
    animation-delay: .1s;
    opacity: 0;
}

.fade-up-d2 {
    animation-delay: .2s;
    opacity: 0;
}

.fade-up-d3 {
    animation-delay: .3s;
    opacity: 0;
}

.fade-up-d4 {
    animation-delay: .4s;
    opacity: 0;
}

/* ═══════════════════════════════════════════════
   Phone Input with Country Code
═══════════════════════════════════════════════ */
.phone-input-wrap {
    display: flex;
    align-items: stretch;
    gap: 0;
    border: 1.5px solid var(--border);
    border-radius: 10px;
    overflow: visible;
    background: var(--bg);
    transition: border-color .2s, box-shadow .2s;
    position: relative;
}

    .phone-input-wrap:focus-within {
        border-color: var(--yellow);
        box-shadow: 0 0 0 3px var(--yellow-dim);
    }

.country-select-wrap {
    position: relative;
    flex-shrink: 0;
}

.country-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 11px 10px 11px 12px;
    background: none;
    border: none;
    border-right: 1.5px solid var(--border);
    cursor: pointer;
    font-size: .9rem;
    color: var(--text);
    white-space: nowrap;
    border-radius: 0;
    font-family: 'DM Sans', sans-serif;
    transition: background .2s;
    height: 100%;
}

    .country-btn:hover {
        background: var(--yellow-dim);
    }

    .country-btn svg {
        opacity: .5;
        flex-shrink: 0;
    }

.country-dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    z-index: 999;
    background: var(--bg-card);
    border: 1.5px solid var(--border);
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    width: 260px;
    overflow: hidden;
}

    .country-dropdown.open {
        display: block;
    }

.country-search {
    width: 100%;
    padding: 10px 14px;
    border: none;
    border-bottom: 1px solid var(--border);
    background: var(--bg);
    color: var(--text);
    font-family: 'DM Sans', sans-serif;
    font-size: .88rem;
    outline: none;
}

.country-list {
    max-height: 220px;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--yellow-glow) transparent;
}

    .country-list::-webkit-scrollbar {
        width: 4px;
    }

    .country-list::-webkit-scrollbar-thumb {
        background: var(--yellow-glow);
        border-radius: 4px;
    }

.country-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 14px;
    cursor: pointer;
    font-size: .88rem;
    color: var(--text);
    transition: background .15s;
}

    .country-option:hover {
        background: var(--yellow-dim);
    }

    .country-option .co-flag {
        font-size: 1.1rem;
        flex-shrink: 0;
    }

    .country-option .co-name {
        flex: 1;
        font-size: .83rem;
        color: var(--text-muted);
    }

    .country-option .co-code {
        font-weight: 700;
        font-size: .85rem;
        color: var(--yellow);
    }

    .country-option.selected {
        background: var(--yellow-dim);
    }

.phone-number-input {
    flex: 1;
    padding: 11px 14px;
    border: none;
    background: transparent;
    font-family: 'DM Sans', sans-serif;
    font-size: .95rem;
    color: var(--text);
    outline: none;
    min-width: 0;
}

.form-group .phone-number-input {
    border: none !important;
    box-shadow: none !important;
    padding: 11px 14px;
}

/* ═══════════════════════════════════════════════
   ACCOUNT MENU BUTTON & DROPDOWN
═══════════════════════════════════════════════ */
.account-menu-wrap {
    position: relative;
}

.account-menu-btn {
    /* JS sets display:flex when user is logged in */
    display: none;
    align-items: center;
    gap: 8px;
    padding: 6px 14px 6px 6px;
    background: var(--yellow-dim);
    border: 1.5px solid var(--yellow-glow);
    border-radius: 999px;
    cursor: pointer;
    font-family: 'DM Sans', sans-serif;
    font-size: .88rem;
    font-weight: 600;
    color: var(--text);
    white-space: nowrap;
    transition: border-color .2s, box-shadow .2s;
}

    .account-menu-btn:hover {
        border-color: var(--yellow);
        box-shadow: 0 0 0 3px var(--yellow-dim);
    }

/* Force display:flex when JS sets inline style */
.account-menu-btn[style*="display: flex"],
.account-menu-btn[style*="display:flex"] {
    display: flex !important;
}

.acc-avatar-sm {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--yellow);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Syne', sans-serif;
    font-weight: 700;
    font-size: .85rem;
    color: #111;
    flex-shrink: 0;
}

.account-dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    width: 230px;
    background: var(--bg-card);
    border: 1.5px solid var(--border);
    border-radius: 14px;
    box-shadow: var(--shadow-lg);
    z-index: 2000;
    overflow: hidden;
    animation: fadeUp .18s ease;
}

    .account-dropdown.open {
        display: block;
    }

.account-drop-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    background: var(--yellow-dim);
    border-bottom: 1px solid var(--yellow-glow);
}

.acc-avatar-drop {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--yellow);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Syne', sans-serif;
    font-weight: 700;
    font-size: 1rem;
    color: #111;
    flex-shrink: 0;
}

.adr-name {
    font-family: 'Syne', sans-serif;
    font-weight: 700;
    font-size: .85rem;
    color: var(--text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.adr-email {
    font-size: .72rem;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.account-drop-divider {
    height: 1px;
    background: var(--border);
    margin: 4px 0;
}

.account-drop-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    font-size: .87rem;
    color: var(--text-muted);
    text-decoration: none;
    cursor: pointer;
    transition: background .15s, color .15s;
    width: 100%;
    background: none;
    border: none;
    font-family: 'DM Sans', sans-serif;
}

    .account-drop-item:hover {
        background: var(--yellow-dim);
        color: var(--text);
    }

    .account-drop-item.active {
        color: var(--yellow);
        font-weight: 600;
        background: var(--yellow-dim);
    }

    .account-drop-item span {
        font-size: 1rem;
        flex-shrink: 0;
    }

.account-drop-logout {
    color: #ef4444 !important;
}

    .account-drop-logout:hover {
        background: rgba(239,68,68,0.08) !important;
        color: #ef4444 !important;
    }

/* ── Password Strength Indicator ── */
.pwd-rules {
    display: none;
    margin-top: 6px;
    padding: 8px 10px;
    background: transparent;
    gap: 4px;
    flex-direction: column;
}

    .pwd-rules.visible {
        display: flex;
    }

.pwd-rule {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: .72rem;
    color: #aaaaaa;
    line-height: 1.3;
    transition: color .25s;
}

    .pwd-rule.pass {
        color: #16a34a;
    }

    .pwd-rule::before {
        content: '○';
        font-size: .62rem;
        flex-shrink: 0;
    }

    .pwd-rule.pass::before {
        content: '●';
    }

/* ── Settings Accordion ── */
.settings-accordion-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    color: var(--text);
    font-family: 'DM Sans',sans-serif;
    transition: background .2s;
    border-radius: 16px;
}

    .settings-accordion-btn:hover {
        background: var(--yellow-dim);
    }

/* ── Tool Category Cards — theme aware ── */
.tool-cat-card {
    border-radius: 20px;
    padding: 36px 28px;
    position: relative;
    overflow: hidden;
    transition: transform .25s, box-shadow .25s;
}

    .tool-cat-card:hover {
        transform: translateY(-6px);
    }

[data-theme="light"] .tool-cat-card-pv {
    background: #fffbeb;
    border: 1px solid rgba(245,196,0,0.35);
}

[data-theme="dark"] .tool-cat-card-pv {
    background: var(--hero-bg);
    border: 1px solid rgba(245,196,0,0.2);
}

[data-theme="light"] .tool-cat-card-pv:hover {
    box-shadow: 0 16px 48px rgba(245,196,0,0.2);
}

[data-theme="dark"] .tool-cat-card-pv:hover {
    box-shadow: 0 16px 48px rgba(245,196,0,0.15);
}

[data-theme="light"] .tool-cat-card-elec {
    background: #eff6ff;
    border: 1px solid rgba(59,130,246,0.25);
}

[data-theme="dark"] .tool-cat-card-elec {
    background: var(--hero-bg);
    border: 1px solid rgba(100,180,255,0.2);
}

[data-theme="light"] .tool-cat-card-elec:hover {
    box-shadow: 0 16px 48px rgba(59,130,246,0.15);
}

[data-theme="dark"] .tool-cat-card-elec:hover {
    box-shadow: 0 16px 48px rgba(100,180,255,0.12);
}

[data-theme="light"] .tool-cat-card-gen {
    background: #f5f3ff;
    border: 1px solid rgba(124,58,237,0.2);
}

[data-theme="dark"] .tool-cat-card-gen {
    background: var(--hero-bg);
    border: 1px solid rgba(160,110,255,0.2);
}

[data-theme="light"] .tool-cat-card-gen:hover {
    box-shadow: 0 16px 48px rgba(124,58,237,0.12);
}

[data-theme="dark"] .tool-cat-card-gen:hover {
    box-shadow: 0 16px 48px rgba(160,110,255,0.12);
}

/* Card text theme aware */
.tool-cat-card h3,
.tool-cat-card h3 * {
    color: #ffffff !important;
}

.tool-cat-card p,
.tool-cat-card p * {
    color: rgba(255,255,255,0.68) !important;
}

.tool-cat-card .section-num,
.tool-cat-card [style*="color:#7a5c00"],
.tool-cat-card [style*="color:#1d4ed8"],
.tool-cat-card [style*="color:#5b21b6"] {
    color: inherit !important;
}

/* Light theme — dark text overrides hardcoded white inline styles */
[data-theme="light"] .tool-cat-card h3 {
    color: #111111 !important;
}

[data-theme="light"] .tool-cat-card p {
    color: #444444 !important;
}

/* Dark theme — keep white */
[data-theme="dark"] .tool-cat-card h3 {
    color: #ffffff !important;
}

[data-theme="dark"] .tool-cat-card p {
    color: rgba(255,255,255,0.65) !important;
}


/* FIND the existing light tag rules and REPLACE all 3 with: */
[data-theme="light"] .tool-tag-pv {
    background: rgba(245,196,0,0.2) !important;
    border: 1px solid rgba(245,196,0,0.4) !important;
    color: #7a5c00 !important;
}
[data-theme="light"] .tool-tag-elec {
    background: rgba(59,130,246,0.12) !important;
    border: 1px solid rgba(59,130,246,0.25) !important;
    color: #1d4ed8 !important;
}
[data-theme="light"] .tool-tag-gen {
    background: rgba(124,58,237,0.1) !important;
    border: 1px solid rgba(124,58,237,0.22) !important;
    color: #5b21b6 !important;
}

[data-theme="dark"] .tool-tag-pv {
    background: rgba(245,196,0,0.12);
    border: 1px solid rgba(245,196,0,0.25);
    color: rgba(255,255,255,0.7);
}
[data-theme="dark"] .tool-tag-elec {
    background: rgba(100,180,255,0.1);
    border: 1px solid rgba(100,180,255,0.2);
    color: rgba(255,255,255,0.7);
}
[data-theme="dark"] .tool-tag-gen {
    background: rgba(160,110,255,0.1);
    border: 1px solid rgba(160,110,255,0.2);
    color: rgba(255,255,255,0.7);
}

[data-theme="light"] .tool-cat-card span[style*="color:rgba(255,255,255"] {
    color: #333333 !important;
}

/* ── Password field with eye toggle ── */
/* Fix eye button z-index so it stays clickable */
.pwd-field-wrap {
    position: relative;
    display: block;
}

.pwd-eye-btn {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
}

.pwd-field-wrap input {
    padding-right: 40px !important;
}

    .pwd-eye-btn:hover {
        color: var(--yellow);
    }

    .pwd-eye-btn svg {
        display: block;
    }