:root {
    --primary: #0f766e;
    --secondary: #042f2e;
    --accent: #facc15;
    --bg: #f7fbf8;
    --text: #10201d;
    --muted: #64736f;
    --white: #ffffff;
    --line: rgba(15, 118, 110, 0.16);
    --shadow: 0 24px 70px rgba(4, 47, 46, 0.14);
    --radius: 28px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
}

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

.container {
    width: min(1120px, calc(100% - 32px));
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(247, 251, 248, 0.88);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--line);
}

.header-inner {
    min-height: 78px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-mark {
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--accent), #fff7b2);
    color: var(--secondary);
    font-size: 22px;
    box-shadow: 0 14px 30px rgba(250, 204, 21, 0.25);
}

.brand strong {
    display: block;
    font-size: 1rem;
    line-height: 1.1;
}

.brand small {
    display: block;
    color: var(--muted);
    font-size: 0.78rem;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 24px;
    font-size: 0.95rem;
    color: #29433f;
}

.site-nav a {
    transition: color 0.25s ease;
}

.site-nav a:hover {
    color: var(--primary);
}

.nav-cta {
    padding: 11px 18px;
    border-radius: 999px;
    background: var(--secondary);
    color: var(--white);
}

.nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border: 0;
    border-radius: 14px;
    background: var(--secondary);
    cursor: pointer;
}

.nav-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--white);
    margin: 5px auto;
    border-radius: 999px;
}

.hero {
    position: relative;
    overflow: hidden;
    padding: 86px 0 72px;
    background:
        radial-gradient(circle at 15% 10%, rgba(250, 204, 21, 0.24), transparent 34%),
        linear-gradient(135deg, #f9fffb 0%, #ecf8f4 48%, #fff9d8 100%);
}

.hero-glow {
    position: absolute;
    width: 360px;
    height: 360px;
    border-radius: 999px;
    filter: blur(35px);
    opacity: 0.35;
    pointer-events: none;
}

.hero-glow-one {
    background: var(--accent);
    right: -120px;
    top: 80px;
}

.hero-glow-two {
    background: var(--primary);
    left: -160px;
    bottom: -160px;
}

.hero-grid {
    position: relative;
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 48px;
    align-items: center;
}

.eyebrow,
.section-kicker {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    color: var(--primary);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.78rem;
}

.pulse-dot {
    width: 9px;
    height: 9px;
    border-radius: 999px;
    background: var(--accent);
    box-shadow: 0 0 0 8px rgba(250, 204, 21, 0.2);
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

h1 {
    margin-bottom: 22px;
    font-size: clamp(2.55rem, 6vw, 5rem);
    line-height: 0.95;
    letter-spacing: -0.07em;
    color: var(--secondary);
}

.hero-text {
    max-width: 610px;
    margin-bottom: 30px;
    color: #445a56;
    font-size: 1.12rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 34px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 50px;
    padding: 14px 22px;
    border-radius: 999px;
    font-weight: 800;
    transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.btn:hover {
    transform: translateY(-3px);
}

.btn-primary {
    background: var(--accent);
    color: var(--secondary);
    box-shadow: 0 16px 32px rgba(250, 204, 21, 0.28);
}

.btn-secondary {
    background: var(--white);
    color: var(--secondary);
    border: 1px solid var(--line);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    max-width: 590px;
}

.hero-stats div {
    padding: 16px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid rgba(255, 255, 255, 0.85);
    box-shadow: 0 14px 34px rgba(4, 47, 46, 0.08);
}

.hero-stats strong {
    display: block;
    color: var(--secondary);
    font-size: 1.25rem;
}

.hero-stats span {
    display: block;
    color: var(--muted);
    font-size: 0.83rem;
}

.power-card {
    position: relative;
    min-height: 560px;
    border-radius: 42px;
    background:
        linear-gradient(145deg, rgba(255, 255, 255, 0.7), rgba(255, 255, 255, 0.22)),
        linear-gradient(135deg, var(--secondary), #0f766e);
    box-shadow: var(--shadow);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.5);
}

.power-card::before {
    content: "";
    position: absolute;
    inset: 26px;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 30px;
}

.sun-orbit {
    position: absolute;
    top: 44px;
    right: 44px;
    width: 150px;
    height: 150px;
}

.sun-core {
    position: absolute;
    inset: 42px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 40px rgba(250, 204, 21, 0.75);
}

.orbit {
    position: absolute;
    border: 1px solid rgba(250, 204, 21, 0.45);
    border-radius: 50%;
    animation: spin 12s linear infinite;
}

.orbit-one {
    inset: 20px;
}

.orbit-two {
    inset: 0;
    animation-duration: 18s;
}

.panel-visual {
    position: absolute;
    left: 44px;
    bottom: 120px;
    width: 270px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    transform: perspective(700px) rotateX(18deg) rotateZ(-4deg);
}

.panel-visual div {
    height: 76px;
    border-radius: 10px;
    background:
        linear-gradient(135deg, rgba(255,255,255,0.22), transparent),
        linear-gradient(145deg, #0e5f5a, #083937);
    border: 1px solid rgba(255, 255, 255, 0.16);
    box-shadow: inset 0 0 0 1px rgba(250, 204, 21, 0.08);
}

.battery-stack {
    position: absolute;
    right: 44px;
    bottom: 54px;
    display: grid;
    gap: 12px;
    width: 160px;
}

.battery {
    height: 54px;
    padding: 8px;
    border-radius: 15px;
    border: 1px solid rgba(255,255,255,0.22);
    background: rgba(255,255,255,0.12);
}

.battery span {
    display: block;
    width: 78%;
    height: 100%;
    border-radius: 10px;
    background: linear-gradient(90deg, var(--accent), #fff3a3);
}

.floating-chip {
    position: absolute;
    padding: 14px 16px;
    border-radius: 18px;
    background: rgba(255,255,255,0.92);
    box-shadow: 0 18px 40px rgba(0,0,0,0.16);
}

.floating-chip strong,
.floating-chip span {
    display: block;
}

.floating-chip strong {
    color: var(--secondary);
}

.floating-chip span {
    color: var(--muted);
    font-size: 0.78rem;
}

.chip-one {
    left: 42px;
    top: 58px;
}

.chip-two {
    right: 38px;
    top: 220px;
}

.logo-strip {
    padding: 20px 0;
    background: var(--secondary);
    color: rgba(255,255,255,0.78);
}

.strip-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 12px;
    text-align: center;
    font-weight: 800;
    font-size: 0.9rem;
}

.section {
    padding: 88px 0;
}

.section-heading {
    max-width: 760px;
    margin: 0 auto 44px;
    text-align: center;
}

.section-heading h2,
.about-content h2,
.showcase-copy h2,
.faq-intro h2,
.final-card h2 {
    margin-bottom: 14px;
    color: var(--secondary);
    font-size: clamp(2rem, 4vw, 3.25rem);
    line-height: 1.04;
    letter-spacing: -0.045em;
}

.section-heading p,
.about-content p,
.showcase-copy p,
.faq-intro p,
.final-card p {
    color: var(--muted);
}

.services-grid,
.process-grid,
.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.service-card,
.process-card,
.testimonial-card,
.faq-item {
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: 0 18px 48px rgba(4, 47, 46, 0.08);
}

.service-card {
    padding: 30px;
}

.service-icon {
    width: 58px;
    height: 58px;
    display: grid;
    place-items: center;
    margin-bottom: 22px;
    border-radius: 20px;
    background: rgba(15, 118, 110, 0.1);
    font-size: 1.5rem;
}

.service-card h3,
.process-card h3 {
    color: var(--secondary);
    margin-bottom: 10px;
}

.service-card p,
.process-card p,
.testimonial-card p {
    color: var(--muted);
}

.service-card ul {
    padding: 0;
    margin: 20px 0 0;
    list-style: none;
}

.service-card li {
    padding: 8px 0;
    border-top: 1px solid rgba(15, 118, 110, 0.12);
    color: #38514d;
}

.section-dark {
    background:
        radial-gradient(circle at 15% 20%, rgba(250, 204, 21, 0.16), transparent 30%),
        linear-gradient(135deg, var(--secondary), #073f3c);
    color: var(--white);
}

.about-grid,
.showcase-grid,
.faq-grid,
.final-card {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 42px;
    align-items: center;
}

.about-content h2,
.about-content p {
    color: var(--white);
}

.about-content p {
    opacity: 0.78;
}

.about-visual {
    position: relative;
    min-height: 430px;
    border-radius: 36px;
    background:
        linear-gradient(135deg, rgba(255,255,255,0.15), rgba(255,255,255,0.04)),
        repeating-linear-gradient(90deg, rgba(255,255,255,0.08) 0 1px, transparent 1px 50px);
    border: 1px solid rgba(255,255,255,0.16);
    overflow: hidden;
}

.meter-card,
.saving-card {
    position: absolute;
    background: rgba(255,255,255,0.92);
    color: var(--secondary);
    border-radius: 24px;
    box-shadow: 0 24px 60px rgba(0,0,0,0.2);
}

.meter-card {
    left: 32px;
    top: 42px;
    width: 240px;
    padding: 22px;
}

.meter-card span,
.saving-card span,
.saving-card small {
    display: block;
    color: var(--muted);
}

.meter-card strong,
.saving-card strong {
    display: block;
    font-size: 2rem;
    margin: 6px 0 12px;
}

.meter-bar {
    height: 13px;
    border-radius: 999px;
    background: rgba(15, 118, 110, 0.12);
    overflow: hidden;
}

.meter-bar span {
    width: 72%;
    height: 100%;
    background: var(--accent);
    border-radius: inherit;
}

.saving-card {
    right: 30px;
    bottom: 38px;
    width: 250px;
    padding: 24px;
}

.trust-list {
    display: grid;
    gap: 16px;
    margin-top: 28px;
}

.trust-list div {
    padding: 18px;
    border-radius: 20px;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.12);
}

.trust-list strong,
.trust-list span {
    display: block;
}

.trust-list span {
    margin-top: 5px;
    color: rgba(255,255,255,0.72);
}

.process-grid {
    grid-template-columns: repeat(4, 1fr);
}

.process-card {
    padding: 26px;
}

.process-card span {
    display: inline-flex;
    margin-bottom: 24px;
    color: var(--primary);
    font-weight: 900;
    font-size: 0.85rem;
}

.showcase-section {
    background: #eef8f4;
}

.text-link {
    display: inline-flex;
    margin-top: 8px;
    color: var(--primary);
    font-weight: 900;
}

.showcase-board {
    position: relative;
    min-height: 430px;
    border-radius: 36px;
    background:
        radial-gradient(circle at 80% 10%, rgba(250, 204, 21, 0.35), transparent 32%),
        linear-gradient(135deg, #ffffff, #dff2ec);
    border: 1px solid rgba(15, 118, 110, 0.16);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.roof-line {
    position: absolute;
    left: 8%;
    top: 20%;
    width: 82%;
    height: 140px;
    background: linear-gradient(135deg, var(--secondary), #0a4c48);
    clip-path: polygon(0 100%, 50% 0, 100% 100%);
    opacity: 0.95;
}

.mini-panels {
    position: absolute;
    left: 21%;
    top: 38%;
    width: 58%;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 7px;
    transform: rotate(-1deg);
}

.mini-panels span {
    height: 52px;
    border-radius: 8px;
    background: linear-gradient(135deg, #116d66, #083c39);
    border: 1px solid rgba(255,255,255,0.2);
}

.energy-flow {
    position: absolute;
    left: 16%;
    bottom: 23%;
    width: 68%;
    display: flex;
    justify-content: space-between;
}

.energy-flow span {
    width: 12px;
    height: 12px;
    border-radius: 999px;
    background: var(--accent);
    box-shadow: 0 0 0 12px rgba(250, 204, 21, 0.15);
    animation: pulse 1.8s ease-in-out infinite;
}

.energy-flow span:nth-child(2) {
    animation-delay: 0.3s;
}

.energy-flow span:nth-child(3) {
    animation-delay: 0.6s;
}

.control-box {
    position: absolute;
    right: 36px;
    bottom: 34px;
    width: 210px;
    padding: 20px;
    border-radius: 24px;
    background: var(--white);
    box-shadow: 0 18px 40px rgba(4, 47, 46, 0.16);
}

.control-box strong,
.control-box small {
    display: block;
}

.control-box small {
    color: var(--muted);
    margin-top: 6px;
}

.testimonial-card {
    padding: 28px;
}

.stars {
    color: #eab308;
    letter-spacing: 2px;
    margin-bottom: 18px;
}

.testimonial-card strong,
.testimonial-card span {
    display: block;
}

.testimonial-card span {
    color: var(--muted);
    font-size: 0.9rem;
}

.faq-section {
    background: #ffffff;
}

.faq-grid {
    align-items: start;
}

.faq-list {
    display: grid;
    gap: 14px;
}

.faq-item {
    overflow: hidden;
}

.faq-item button {
    width: 100%;
    padding: 22px 24px;
    border: 0;
    background: transparent;
    color: var(--secondary);
    text-align: left;
    font: inherit;
    font-weight: 900;
    cursor: pointer;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.28s ease;
}

.faq-answer p {
    margin: 0;
    padding: 0 24px 22px;
    color: var(--muted);
}

.faq-item.active .faq-answer {
    max-height: 140px;
}

.final-cta {
    padding: 90px 0;
    background:
        radial-gradient(circle at 80% 20%, rgba(250, 204, 21, 0.32), transparent 35%),
        linear-gradient(135deg, var(--secondary), var(--primary));
}

.final-card {
    padding: 42px;
    border-radius: 36px;
    background: rgba(255,255,255,0.92);
    box-shadow: var(--shadow);
}

.contact-panel {
    display: grid;
    gap: 12px;
}

.contact-panel a:not(.btn) {
    padding: 16px 18px;
    border-radius: 18px;
    background: rgba(15, 118, 110, 0.08);
    color: var(--secondary);
    font-weight: 800;
}

.whatsapp-float {
    position: fixed;
    right: 18px;
    bottom: 18px;
    z-index: 60;
    padding: 14px 18px;
    border-radius: 999px;
    background: #25d366;
    color: #ffffff;
    font-weight: 900;
    box-shadow: 0 16px 36px rgba(0,0,0,0.2);
}

.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

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

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

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.7;
    }
    50% {
        transform: scale(1.35);
        opacity: 1;
    }
}

@media (max-width: 920px) {
    .nav-toggle {
        display: block;
    }

    .site-nav {
        position: absolute;
        left: 16px;
        right: 16px;
        top: 86px;
        display: none;
        flex-direction: column;
        align-items: stretch;
        padding: 18px;
        border-radius: 22px;
        background: var(--white);
        box-shadow: var(--shadow);
    }

    .site-nav.open {
        display: flex;
    }

    .site-nav a {
        padding: 10px 12px;
    }

    .hero-grid,
    .about-grid,
    .showcase-grid,
    .faq-grid,
    .final-card {
        grid-template-columns: 1fr;
    }

    .hero {
        padding-top: 58px;
    }

    .power-card {
        min-height: 500px;
    }

    .services-grid,
    .testimonial-grid {
        grid-template-columns: 1fr;
    }

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

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

@media (max-width: 620px) {
    .container {
        width: min(100% - 24px, 1120px);
    }

    .header-inner {
        min-height: 70px;
    }

    .brand small {
        display: none;
    }

    .hero-stats,
    .process-grid {
        grid-template-columns: 1fr;
    }

    .hero-actions .btn {
        width: 100%;
    }

    .power-card {
        min-height: 440px;
        border-radius: 30px;
    }

    .panel-visual {
        left: 28px;
        width: 210px;
        bottom: 100px;
    }

    .panel-visual div {
        height: 58px;
    }

    .battery-stack {
        right: 24px;
        width: 120px;
    }

    .floating-chip {
        display: none;
    }

    .section {
        padding: 64px 0;
    }

    .service-card,
    .process-card,
    .testimonial-card,
    .final-card {
        padding: 24px;
    }

    .about-visual,
    .showcase-board {
        min-height: 360px;
    }

    .meter-card,
    .saving-card {
        position: relative;
        left: auto;
        right: auto;
        top: auto;
        bottom: auto;
        width: calc(100% - 36px);
        margin: 18px;
    }

    .whatsapp-float {
        right: 12px;
        bottom: 12px;
    }
}