/* ======================================================
   REBATE ASSIST AUSTRALIA — Authority Design
   Font: Inter
   Aesthetic: Black, white, grey with subtle blue accents
   ====================================================== */

:root {
    --accent: #3B82F6;
    --accent-dark: #2563EB;
    --accent-subtle: #60A5FA;
    --accent-muted: rgba(59, 130, 246, 0.08);
    --accent-glow: rgba(59, 130, 246, 0.35);

    --black: #0a0a0a;
    --dark-950: #111111;
    --dark-900: #171717;
    --dark-800: #262626;
    --dark-700: #404040;
    --gray-600: #525252;
    --gray-500: #737373;
    --gray-400: #a3a3a3;
    --gray-300: #d4d4d4;
    --gray-200: #e5e5e5;
    --gray-100: #f5f5f5;
    --gray-50: #fafafa;
    --white: #FFFFFF;

    --amber: #F59E0B;
    --green: #10B981;
    --red-500: #ef4444;

    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    --nav-h: 64px;
    --max-w: 1140px;
    --section-y: clamp(80px, 10vw, 120px);
    --ease: cubic-bezier(0.16, 1, 0.3, 1);
    --radius: 10px;
    --radius-lg: 16px;
}

/* ---- RESET ---- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
body{font-family:var(--font-body);font-weight:400;color:var(--dark-900);background:var(--white);line-height:1.6;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{cursor:pointer;border:none;background:none;font-family:inherit}
input,select{font-family:inherit}

/* ---- GRAIN OVERLAY ---- */
.grain{position:fixed;inset:0;z-index:9999;pointer-events:none;opacity:0.018;
    background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

/* ---- UTILITY ---- */
.section__inner{max-width:var(--max-w);margin:0 auto;padding:0 24px}

/* ---- ANIMATION ---- */
[data-animate]{opacity:0;transform:translateY(28px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
[data-animate="fade-left"]{transform:translateX(40px)}
[data-animate].is-visible{opacity:1;transform:none}

/* ================================================================
   BUTTONS
   ================================================================ */
.btn{
    display:inline-flex;align-items:center;gap:7px;
    font-family:var(--font-body);font-weight:600;font-size:14px;
    letter-spacing:-0.01em;
    border-radius:8px;padding:12px 24px;
    transition:all .25s var(--ease);white-space:nowrap;cursor:pointer;border:none;
    text-decoration:none;
}
.btn--glow{
    background:var(--dark-900);color:var(--white);
    box-shadow:0 1px 2px rgba(0,0,0,.12);
}
.btn--glow:hover{
    background:var(--black);
    box-shadow:0 4px 16px rgba(0,0,0,.2);
    transform:translateY(-1px);
}
.btn--outline-light{
    background:transparent;color:rgba(255,255,255,.75);
    border:1px solid rgba(255,255,255,.18);
}
.btn--outline-light:hover{
    background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.3);color:var(--white);
}
.btn--white{
    background:var(--white);color:var(--dark-900);
    box-shadow:0 1px 2px rgba(0,0,0,.08);font-weight:700;
}
.btn--white:hover{
    box-shadow:0 6px 20px rgba(0,0,0,.12);transform:translateY(-1px);
}
.btn--primary{
    background:var(--dark-900);color:var(--white);
    box-shadow:0 1px 2px rgba(0,0,0,.12);
}
.btn--primary:hover{background:var(--black);transform:translateY(-1px)}
.btn--nav{font-size:13px;padding:9px 18px;border-radius:6px}
.btn--full{width:100%;justify-content:center;padding:14px 24px;font-size:15px}

/* ================================================================
   NAV
   ================================================================ */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;height:var(--nav-h);background:var(--white);border-bottom:1px solid var(--gray-200);transition:box-shadow .35s}
.nav--scrolled{box-shadow:0 1px 3px rgba(0,0,0,.06)}
.nav__inner{max-width:var(--max-w);margin:0 auto;padding:0 24px;height:100%;display:flex;align-items:center;justify-content:space-between}
.nav__logo-img{height:52px;width:auto}
.nav__links{display:flex;gap:28px}
.nav__links a{font-size:13px;font-weight:500;color:var(--gray-600);letter-spacing:0;transition:color .2s;position:relative}
.nav__links a::after{content:'';position:absolute;bottom:-3px;left:0;width:0;height:1.5px;background:var(--dark-900);transition:width .25s var(--ease)}
.nav__links a:hover{color:var(--dark-900)}
.nav__links a:hover::after{width:100%}
.nav__actions{display:flex;align-items:center;gap:16px}
.nav__burger{display:none;flex-direction:column;gap:4px;width:24px;padding:2px 0}
.nav__burger span{display:block;height:1.5px;background:var(--dark-700);border-radius:1px;transition:transform .3s,opacity .3s}

/* ================================================================
   HERO — dark, authoritative overlay
   ================================================================ */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden}
.hero__bg{position:absolute;inset:0;z-index:0}
.hero__bg-image{
    position:absolute;inset:0;
    background:url('assets/hero-bg.jpg') center/cover no-repeat;
}
.hero__bg-overlay{
    position:absolute;inset:0;
    background:
        linear-gradient(160deg, rgba(10,10,10,.92) 0%, rgba(23,23,23,.85) 50%, rgba(10,10,10,.90) 100%);
}
.hero__bg-noise{
    position:absolute;inset:0;opacity:.03;
    background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.hero__inner{
    position:relative;z-index:1;
    max-width:740px;margin:0 auto;padding:calc(var(--nav-h) + 80px) 24px 96px;
    display:flex;flex-direction:column;align-items:flex-start;width:100%;
}
.hero__content{width:100%;text-align:center}
.hero__subtitle{margin-left:auto;margin-right:auto}
.hero__ctas{justify-content:center}
.hero__proof{justify-content:center}
.hero__badge{
    display:inline-flex;align-items:center;gap:7px;
    padding:6px 14px;border-radius:6px;
    background:rgba(239,68,68,.1);border:1px solid rgba(239,68,68,.2);
    font-size:12px;font-weight:600;color:rgba(255,255,255,.8);
    margin-bottom:24px;letter-spacing:.01em;
}
.hero__badge-dot{width:6px;height:6px;border-radius:50%;background:var(--red-500);animation:pulse 2s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1;box-shadow:0 0 0 0 rgba(239,68,68,.4)}50%{opacity:.7;box-shadow:0 0 0 6px rgba(239,68,68,0)}}
.hero__title{
    font-family:var(--font-body);font-weight:800;
    font-size:clamp(36px,5vw,60px);line-height:1.08;
    letter-spacing:-.04em;color:var(--white);margin-bottom:18px;
}
.hero__title-accent{
    color:var(--gray-400);
}
.hero__subtitle{font-size:clamp(15px,1.4vw,17px);color:rgba(255,255,255,.45);max-width:500px;margin-bottom:28px;line-height:1.75;font-weight:400}
.hero__ctas{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:40px}
.hero__ctas .btn--glow{background:var(--white);color:var(--dark-900);font-weight:700}
.hero__ctas .btn--glow:hover{background:var(--gray-100);box-shadow:0 8px 24px rgba(255,255,255,.15)}
.hero__proof{display:flex;align-items:center;gap:12px}
.hero__urgency-stat{
    display:inline-flex;align-items:center;gap:10px;
    padding:10px 20px;border-radius:8px;
    background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);
}
.hero__urgency-number{font-size:18px;font-weight:800;color:var(--white);letter-spacing:-.02em}
.hero__urgency-label{font-size:13px;color:rgba(255,255,255,.4);font-weight:400}

/* ================================================================
   STATS
   ================================================================ */
.stats{padding:48px 0;background:var(--gray-50);border-bottom:1px solid var(--gray-200)}
.stats__inner{max-width:var(--max-w);margin:0 auto;padding:0 24px}
.stats__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.stats__item{
    text-align:center;padding:24px 16px;
    background:var(--white);border-radius:var(--radius);
    border:1px solid var(--gray-200);
    transition:transform .3s var(--ease),box-shadow .3s;
}
.stats__item:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(0,0,0,.04)}
.stats__number{font-size:clamp(26px,3.5vw,38px);font-weight:800;color:var(--dark-900);letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.stats__label{font-size:13px;color:var(--gray-500);margin-top:4px;font-weight:500}

/* ================================================================
   SECTION HEADERS
   ================================================================ */
.section__header{text-align:center;margin-bottom:56px}
.section__tag{
    display:inline-block;font-size:11px;font-weight:700;
    text-transform:uppercase;letter-spacing:.1em;
    color:var(--gray-600);margin-bottom:14px;
    padding:5px 12px;background:var(--gray-100);border-radius:6px;border:1px solid var(--gray-200);
}
.section__tag--glass{background:rgba(255,255,255,.06);color:rgba(255,255,255,.5);border:1px solid rgba(255,255,255,.1)}
.section__title{
    font-family:var(--font-body);font-weight:800;
    font-size:clamp(28px,4vw,44px);line-height:1.12;
    letter-spacing:-.035em;color:var(--dark-900);
}
.text-gradient{
    background:linear-gradient(135deg,var(--white),var(--gray-400));
    -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}
.text-accent{color:var(--gray-500);-webkit-text-fill-color:var(--gray-500)}
.section__header--light .section__title{color:var(--white)}
.section__header--light .text-gradient{
    background:linear-gradient(135deg,var(--gray-300),var(--gray-400));
    -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}
.section__subtitle{font-size:15px;color:var(--gray-500);max-width:540px;margin:14px auto 0;line-height:1.7;font-weight:400}
.section__header--light .section__subtitle{color:rgba(255,255,255,.4)}

/* ================================================================
   HOW IT WORKS
   ================================================================ */
.how-it-works{padding:var(--section-y) 0;background:var(--white)}
.steps{display:flex;flex-direction:column;gap:12px;max-width:680px;margin:0 auto}
.step{
    display:flex;align-items:flex-start;gap:20px;
    padding:24px 28px;border-radius:var(--radius-lg);
    border:1px solid var(--gray-200);background:var(--white);
    transition:border-color .3s,box-shadow .3s,transform .3s var(--ease);
}
.step:hover{border-color:var(--gray-300);box-shadow:0 8px 30px rgba(0,0,0,.04);transform:translateY(-2px)}
.step__left{flex-shrink:0}
.step__number{
    display:flex;align-items:center;justify-content:center;
    width:44px;height:44px;border-radius:10px;
    background:var(--gray-100);color:var(--dark-900);
    font-size:18px;font-weight:800;border:1px solid var(--gray-200);
}
.step:hover .step__number{background:var(--dark-900);color:var(--white);border-color:var(--dark-900)}
.step__right{flex:1;min-width:0}
.step__label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--gray-500);margin-bottom:4px}
.step__title{font-size:17px;font-weight:700;color:var(--dark-900);margin-bottom:6px;letter-spacing:-.01em}
.step__desc{font-size:14px;color:var(--gray-500);line-height:1.7}
.step__link{
    display:inline-flex;align-items:center;gap:5px;
    font-size:13px;font-weight:600;color:var(--dark-900);
    margin-top:10px;transition:gap .2s;text-decoration:underline;text-decoration-color:var(--gray-300);text-underline-offset:3px;
}
.step__link:hover{gap:8px;text-decoration-color:var(--dark-900)}

/* ================================================================
   REBATES
   ================================================================ */
.rebates{padding:var(--section-y) 0;background:var(--gray-50)}

/* Urgency banner */
.rebate-urgency{
    display:flex;align-items:flex-start;gap:12px;
    padding:16px 20px;border-radius:var(--radius);
    background:rgba(239,68,68,.04);border:1px solid rgba(239,68,68,.12);
    margin-bottom:32px;
}
.rebate-urgency__icon{color:var(--red-500);flex-shrink:0;margin-top:1px}
.rebate-urgency__text{font-size:14px;color:var(--dark-700);line-height:1.7}
.rebate-urgency__text strong{font-weight:700;color:var(--dark-900)}

.rebates__grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.rebate-card--wide{grid-column:1 / -1}
.rebate-card{
    background:var(--white);border:1px solid var(--gray-200);
    border-radius:var(--radius-lg);padding:24px;
    transition:transform .3s var(--ease),box-shadow .3s;
}
.rebate-card:hover{transform:translateY(-3px);box-shadow:0 8px 30px rgba(0,0,0,.04)}
.rebate-card__header{display:flex;align-items:center;gap:8px;margin-bottom:10px}
.rebate-card__state{font-size:13px;font-weight:700;color:var(--dark-900);background:var(--gray-100);padding:3px 10px;border-radius:6px;border:1px solid var(--gray-200)}
.rebate-card__tag{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--gray-600);background:var(--gray-100);padding:3px 8px;border-radius:6px;border:1px solid var(--gray-200)}
.rebate-card__tag--hot{color:#92400e;background:#fef3c7;border-color:#fde68a}
.rebate-card__title{font-size:15px;font-weight:600;color:var(--dark-900);margin-bottom:6px}
.rebate-card__amount{font-size:24px;font-weight:800;color:var(--dark-900);margin-bottom:10px;letter-spacing:-.02em}
.rebate-card__desc{font-size:13px;color:var(--gray-500);line-height:1.7;margin-bottom:14px}
.rebate-card__examples{display:flex;flex-direction:column;gap:6px;padding-top:14px;border-top:1px solid var(--gray-200)}
.rebate-card__example{display:flex;justify-content:space-between;font-size:13px;color:var(--dark-800)}
.rebate-card__example span:last-child{font-weight:700;color:var(--dark-900)}
.rebate-card__warning{
    display:flex;align-items:flex-start;gap:8px;
    margin-top:14px;padding:10px 14px;border-radius:8px;
    background:rgba(239,68,68,.04);border:1px solid rgba(239,68,68,.1);
    font-size:12px;color:var(--dark-700);line-height:1.6;
}
.rebate-card__warning svg{flex-shrink:0;color:var(--red-500);margin-top:1px}
.rebates__disclaimer{text-align:center;font-size:12px;color:var(--gray-400);margin-top:28px;font-style:italic}
.rebates__cta{text-align:center;margin-top:32px}

/* ================================================================
   SAVINGS
   ================================================================ */
.savings{padding:var(--section-y) 0;position:relative;overflow:hidden}
.savings__bg{
    position:absolute;inset:0;
    background:linear-gradient(160deg,var(--dark-950) 0%,#1a1a1a 40%,var(--dark-900) 100%);
}
.savings__bg::before{
    content:'';position:absolute;inset:0;
    background:
        radial-gradient(ellipse 50% 50% at 15% 85%,rgba(255,255,255,.02) 0%,transparent 60%),
        radial-gradient(ellipse 40% 40% at 85% 15%,rgba(255,255,255,.015) 0%,transparent 50%);
}
.savings>.section__inner{position:relative;z-index:1}
.savings__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:40px}
.savings__card{
    background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.08);
    border-radius:var(--radius-lg);padding:24px;
    backdrop-filter:blur(8px);transition:transform .3s var(--ease),border-color .3s;
}
.savings__card:hover{transform:translateY(-3px);border-color:rgba(255,255,255,.12)}
.savings__card--featured{
    background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.12);
    box-shadow:0 0 0 1px rgba(255,255,255,.05),0 8px 32px rgba(0,0,0,.3);
}
.savings__card-badge{
    position:absolute;top:-1px;right:20px;
    background:var(--white);color:var(--dark-900);
    font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;
    padding:5px 12px;border-radius:0 0 8px 8px;
}
.savings__card-location{display:flex;align-items:center;gap:5px;font-size:13px;color:var(--gray-400);font-weight:500;margin-bottom:4px}
.savings__card-system{font-size:12px;color:rgba(255,255,255,.25);margin-bottom:14px}
.savings__card-amount{font-size:32px;font-weight:800;color:var(--white);margin-bottom:16px;letter-spacing:-.02em}
.savings__card-amount span{font-size:14px;font-weight:400;color:rgba(255,255,255,.3)}
.savings__card-detail{display:flex;flex-direction:column;gap:8px;padding:14px 0;border-top:1px solid rgba(255,255,255,.06);border-bottom:1px solid rgba(255,255,255,.06);margin-bottom:14px}
.savings__card-row{display:flex;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.35)}
.savings__card-highlight{color:var(--green);font-weight:600}
.savings__card{position:relative}
.savings__cta{text-align:center}
.savings__cta .btn--glow{background:var(--white);color:var(--dark-900)}
.savings__cta .btn--glow:hover{background:var(--gray-100);box-shadow:0 8px 24px rgba(255,255,255,.1)}

/* ================================================================
   BENEFITS
   ================================================================ */
.benefits{padding:var(--section-y) 0;background:var(--white)}
.benefits__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.benefit{
    background:var(--gray-50);border-radius:var(--radius-lg);padding:28px;
    border:1px solid var(--gray-200);transition:transform .3s var(--ease),box-shadow .3s,border-color .3s;
}
.benefit:hover{transform:translateY(-3px);box-shadow:0 8px 30px rgba(0,0,0,.04);border-color:var(--gray-300)}
.benefit__icon{
    width:44px;height:44px;border-radius:10px;
    background:var(--dark-900);
    display:flex;align-items:center;justify-content:center;
    color:var(--white);margin-bottom:16px;
}
.benefit__title{font-size:16px;font-weight:700;color:var(--dark-900);margin-bottom:8px;letter-spacing:-.01em}
.benefit__desc{font-size:14px;color:var(--gray-500);line-height:1.7}

/* ================================================================
   CALCULATOR CTA
   ================================================================ */
.calculator-cta{padding:var(--section-y) 0;background:var(--gray-50)}
.calculator-cta__inner{max-width:var(--max-w);margin:0 auto;padding:0 24px}
.calculator-cta__content{
    background:var(--dark-900);border-radius:var(--radius-lg);
    padding:clamp(36px,5vw,56px);position:relative;overflow:hidden;
    display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start;
}
.calculator-cta__content--centered{
    display:flex;flex-direction:column;align-items:center;text-align:center;
    max-width:680px;margin:0 auto;padding:clamp(48px,6vw,72px) clamp(36px,5vw,56px);
}
.calculator-cta__content::before{
    content:'';position:absolute;inset:0;
    background:
        radial-gradient(ellipse 50% 50% at 0% 0%,rgba(255,255,255,.03) 0%,transparent 60%),
        radial-gradient(ellipse 40% 40% at 100% 100%,rgba(255,255,255,.02) 0%,transparent 50%);
    pointer-events:none;
}
.calculator-cta__content>*{position:relative;z-index:1}
.calculator-cta__title{
    font-family:var(--font-body);font-weight:800;
    font-size:clamp(28px,3.5vw,38px);line-height:1.12;
    letter-spacing:-.03em;color:var(--white);margin-bottom:14px;
}
.calculator-cta__desc{font-size:15px;color:rgba(255,255,255,.4);line-height:1.7;margin-bottom:16px}
.calculator-cta__content--centered .calculator-cta__title{font-size:clamp(32px,4vw,46px);margin-bottom:16px}
.calculator-cta__content--centered .calculator-cta__desc{font-size:17px;color:rgba(255,255,255,.5);margin-bottom:32px;max-width:520px}
.btn--cta-large{
    font-size:18px;padding:20px 48px;border-radius:12px;
    background:var(--white);color:var(--dark-900);font-weight:700;
    display:inline-flex;align-items:center;gap:10px;
    box-shadow:0 0 40px rgba(255,255,255,.08),0 4px 16px rgba(0,0,0,.3);
    transition:transform .2s,box-shadow .2s,background .2s;
    text-decoration:none;margin-bottom:24px;
}
.btn--cta-large:hover{
    transform:translateY(-2px);
    box-shadow:0 0 60px rgba(255,255,255,.12),0 8px 24px rgba(0,0,0,.4);
    background:var(--gray-100);
}
.calculator-cta__urgency{
    display:flex;align-items:flex-start;gap:8px;
    font-size:13px;color:rgba(255,255,255,.35);line-height:1.6;
}
.calculator-cta__urgency svg{flex-shrink:0;color:rgba(255,255,255,.3);margin-top:2px}
.calculator-cta__disclaimer{font-size:12px;color:rgba(255,255,255,.25);margin-top:12px}
.calculator-form__grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-bottom:16px}
.calculator-form__field label{display:block;font-size:12px;font-weight:600;color:rgba(255,255,255,.35);margin-bottom:4px;letter-spacing:.01em}
.calculator-form__field input,
.calculator-form__field select{
    width:100%;padding:11px 14px;
    background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);
    border-radius:8px;color:var(--white);font-size:14px;
    transition:border-color .2s,background .2s;outline:none;
    appearance:none;-webkit-appearance:none;
}
.calculator-form__field select{
    background-image:url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l4 4 4-4' stroke='rgba(255,255,255,0.3)' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat:no-repeat;background-position:right 14px center;padding-right:36px;
}
.calculator-form__field select option{background:var(--dark-800);color:var(--white)}
.calculator-form__field input::placeholder{color:rgba(255,255,255,.2)}
.calculator-form__field input:focus,
.calculator-form__field select:focus{border-color:rgba(255,255,255,.25);background:rgba(255,255,255,.08)}
.calculator-form .btn--glow{background:var(--white);color:var(--dark-900);font-weight:700}
.calculator-form .btn--glow:hover{background:var(--gray-100);box-shadow:0 6px 20px rgba(255,255,255,.1)}
.calculator-form__disclaimer{font-size:12px;color:rgba(255,255,255,.25);margin-top:10px;text-align:center}

/* ================================================================
   TESTIMONIALS
   ================================================================ */
.testimonials{padding:var(--section-y) 0;background:var(--gray-50)}
.testimonials__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.testimonial{
    background:var(--white);border-radius:var(--radius-lg);padding:28px;
    border:1px solid var(--gray-200);transition:transform .3s var(--ease),border-color .3s;
}
.testimonial:hover{transform:translateY(-3px);border-color:var(--gray-300)}
.testimonial__stars{color:var(--amber);font-size:13px;letter-spacing:2px;margin-bottom:14px}
.testimonial__quote{font-size:14px;color:var(--dark-800);line-height:1.75;margin-bottom:20px;font-style:normal}
.testimonial__author{display:flex;align-items:center;gap:10px}
.testimonial__avatar{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;color:white;flex-shrink:0}
.testimonial__name{font-size:13px;font-weight:700;color:var(--dark-900)}
.testimonial__location{font-size:12px;color:var(--gray-400);margin-top:1px}

/* ================================================================
   FAQ
   ================================================================ */
.faq{padding:var(--section-y) 0;background:var(--white)}
.faq__layout{display:grid;grid-template-columns:340px 1fr;gap:56px;align-items:start}
.faq__header{position:sticky;top:calc(var(--nav-h) + 24px)}
.faq__header .section__header{text-align:left;margin-bottom:20px}
.faq__contact{font-size:14px;color:var(--gray-500)}
.faq__contact a{color:var(--dark-900);font-weight:600;text-decoration:underline;text-decoration-color:var(--gray-300);text-underline-offset:3px;transition:text-decoration-color .2s}
.faq__contact a:hover{text-decoration-color:var(--dark-900)}
.faq__list{display:flex;flex-direction:column;gap:8px}
.faq__item{background:var(--gray-50);border-radius:var(--radius);border:1px solid var(--gray-200);overflow:hidden;transition:box-shadow .3s,border-color .3s}
.faq__item:hover{border-color:var(--gray-300)}
.faq__question{
    width:100%;padding:16px 20px;
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    font-size:14px;font-weight:600;color:var(--dark-900);text-align:left;transition:color .2s;
}
.faq__question svg{flex-shrink:0;color:var(--gray-400);transition:transform .3s var(--ease),color .2s}
.faq__question[aria-expanded="true"] svg{transform:rotate(180deg);color:var(--dark-900)}
.faq__question:hover{color:var(--dark-700)}
.faq__answer{max-height:0;overflow:hidden;transition:max-height .35s var(--ease)}
.faq__answer p{padding:0 20px 16px;font-size:14px;color:var(--gray-500);line-height:1.75}

/* ================================================================
   FINAL CTA
   ================================================================ */
.final-cta{padding:var(--section-y) 0;background:var(--dark-900);position:relative;overflow:hidden}
.final-cta::before{
    content:'';position:absolute;inset:0;
    background:
        radial-gradient(ellipse 50% 80% at 0% 50%,rgba(255,255,255,.02) 0%,transparent 50%),
        radial-gradient(ellipse 40% 60% at 100% 50%,rgba(255,255,255,.01) 0%,transparent 50%);
}
.final-cta__inner{max-width:var(--max-w);margin:0 auto;padding:0 24px;text-align:center;position:relative;z-index:1}
.final-cta__title{font-family:var(--font-body);font-weight:800;font-size:clamp(32px,4.5vw,50px);line-height:1.1;letter-spacing:-.035em;color:var(--white);margin-bottom:14px}
.final-cta__desc{font-size:16px;color:rgba(255,255,255,.4);max-width:480px;margin:0 auto 28px;line-height:1.6}

/* ================================================================
   FOOTER
   ================================================================ */
.footer{background:var(--black);padding:56px 0 28px}
.footer__inner{max-width:var(--max-w);margin:0 auto;padding:0 24px}
.footer__top{display:flex;justify-content:space-between;gap:56px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.06);margin-bottom:28px}
.footer__logo-img{height:36px;width:auto;filter:brightness(0) invert(1);opacity:.7;margin-bottom:12px}
.footer__tagline{font-size:13px;color:rgba(255,255,255,.25);max-width:260px;line-height:1.6}
.footer__links{display:flex;gap:56px}
.footer__col{display:flex;flex-direction:column;gap:8px}
.footer__col h4{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:rgba(255,255,255,.35);margin-bottom:4px}
.footer__col a{font-size:13px;color:rgba(255,255,255,.25);transition:color .2s}
.footer__col a:hover{color:rgba(255,255,255,.6)}
.footer__bottom{text-align:center}
.footer__bottom p{font-size:12px;color:rgba(255,255,255,.15);line-height:1.6}

/* ================================================================
   RESPONSIVE
   ================================================================ */
@media(max-width:1024px){
    .faq__layout{grid-template-columns:1fr;gap:32px}
    .faq__header{position:static;text-align:center}
    .faq__header .section__header{text-align:center}
    .calculator-cta__content{grid-template-columns:1fr}
}
@media(max-width:768px){
    .nav__links{display:none}
    .nav__burger{display:flex}
    .nav__links.is-open{
        display:flex;flex-direction:column;position:fixed;
        top:var(--nav-h);left:0;right:0;background:white;
        padding:20px 24px;gap:16px;
        box-shadow:0 8px 24px rgba(0,0,0,.06);z-index:99;
    }
    .savings__grid,.benefits__grid,.testimonials__grid{grid-template-columns:1fr;max-width:440px;margin-left:auto;margin-right:auto}
    .rebates__grid{grid-template-columns:1fr}
    .rebate-card--wide{grid-column:auto}
    .step{padding:20px}
    .calculator-form__grid{grid-template-columns:1fr}
    .footer__top{flex-direction:column;gap:32px}
    .footer__links{flex-wrap:wrap;gap:28px}
    .stats__grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:480px){
    .hero__title{font-size:32px}
    .calculator-cta__content{padding:24px}
}