/* ========== DESIGN SYSTEM ========== */
:root {
    --primary: #6366F1;
    --primary-hover: #4F46E5;
    --primary-light: #A5B4FC;
    --secondary: #0F172A;
    --accent: #10B981;
    --accent-light: #34D399;
    --orange: #F97316;
    --orange-light: #FDBA74;
    --cyan: #06B6D4;
    --white: #FFFFFF;
    --gray-50: #F8FAFC;
    --gray-100: #F1F5F9;
    --gray-200: #E2E8F0;
    --gray-300: #CBD5E1;
    --gray-400: #94A3B8;
    --gray-500: #64748B;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1E293B;
    --gray-900: #0F172A;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --shadow-xs: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-md: 0 8px 24px rgba(0,0,0,0.1);
    --shadow-lg: 0 16px 48px rgba(0,0,0,0.12);
    --shadow-xl: 0 24px 64px rgba(0,0,0,0.16);
    --font: 'Inter', system-ui, -apple-system, sans-serif;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    font-family: var(--font);
    line-height: 1.65;
    color: var(--gray-800);
    background: var(--white);
}

.container { max-width: 1120px; margin: 0 auto; padding: 0 1.5rem; }

/* ========== HEADER ========== */
.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--gray-200);
    padding: 0;
    transition: box-shadow 0.3s;
}

.header.scrolled { box-shadow: var(--shadow-sm); }

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--secondary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.25rem;
    letter-spacing: -0.02em;
}

.logo-bolt { font-size: 1.3rem; }

.logo-img {
    height: 75px;
    width: auto;
    display: block;
    object-fit: contain;
}

.nav-toggle {
    display: none;
    width: 36px;
    height: 36px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    background: transparent;
    cursor: pointer;
    padding: 7px;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
}

.nav-toggle span {
    display: block;
    height: 2px;
    background: var(--gray-700);
    border-radius: 2px;
    transition: transform 0.3s, opacity 0.3s;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.main-nav {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.main-nav > a,
.categories-btn {
    color: var(--gray-600);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
    transition: color 0.2s, background 0.2s;
    border: none;
    background: transparent;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.main-nav > a:hover,
.categories-btn:hover,
.main-nav > a.nav-active {
    color: var(--primary);
    background: rgba(99, 102, 241, 0.08);
}

.categories-dropdown { position: relative; }

.categories-menu {
    list-style: none;
    position: absolute;
    top: calc(100% + 4px);
    left: 50%;
    transform: translateX(-50%) translateY(-8px);
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 240px;
    padding: 0.4rem;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s;
}

.categories-dropdown:hover .categories-menu,
.categories-dropdown:focus-within .categories-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.categories-menu li { border: none; }
.categories-menu a {
    display: block;
    padding: 0.6rem 0.9rem;
    color: var(--gray-700);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: background 0.15s, color 0.15s;
}
.categories-menu a:hover { background: var(--gray-100); color: var(--primary); }

/* ========== HERO ========== */
.hero {
    position: relative;
    overflow: hidden;
    background: var(--gray-900);
    color: var(--white);
    padding: 5rem 0 4.5rem;
}

.hero-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    pointer-events: none;
}

.hero-glow-1 {
    width: 600px;
    height: 600px;
    top: -200px;
    left: -100px;
    background: rgba(99, 102, 241, 0.35);
}

.hero-glow-2 {
    width: 500px;
    height: 500px;
    bottom: -200px;
    right: -100px;
    background: rgba(16, 185, 129, 0.25);
}

.hero-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: grid;
    grid-template-columns: 1fr 420px;
    gap: 3.5rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-chip {
    display: inline-block;
    background: rgba(99, 102, 241, 0.25);
    color: var(--primary-light);
    font-size: 0.8rem;
    font-weight: 600;
    padding: 0.35rem 0.9rem;
    border-radius: 50px;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(99, 102, 241, 0.3);
    letter-spacing: 0.02em;
}

.hero h1 {
    font-size: 3.25rem;
    font-weight: 900;
    line-height: 1.12;
    letter-spacing: -0.03em;
    margin-bottom: 1.25rem;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-light), var(--accent-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 1.1rem;
    color: var(--gray-400);
    max-width: 480px;
    margin-bottom: 2rem;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 2rem;
}

.hero-trust {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.85rem;
    color: var(--gray-400);
}

.trust-item strong { color: var(--white); }
.trust-dot { width: 4px; height: 4px; border-radius: 50%; background: var(--gray-600); }

/* Hero Card */
.hero-card {
    background: rgba(255,255,255,0.06);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: 0 32px 64px rgba(0,0,0,0.3);
}

.hero-card-header {
    padding: 0.75rem 1rem;
    display: flex;
    gap: 6px;
    background: rgba(255,255,255,0.04);
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.hero-card-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255,255,255,0.15);
}

.hero-card-body { padding: 1.5rem; }

.hero-card-row {
    display: flex;
    justify-content: space-between;
    padding: 0.6rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    font-size: 0.95rem;
}

.hcr-label { color: var(--gray-400); }
.hcr-value { color: var(--white); font-weight: 600; }

.hero-card-result {
    margin-top: 1rem;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    padding: 1.25rem;
    border-radius: var(--radius-md);
    text-align: center;
}

.hero-card-result span { display: block; font-size: 0.85rem; opacity: 0.9; margin-bottom: 0.25rem; }
.hero-card-result strong { font-size: 2rem; font-weight: 800; }

/* ========== BUTTONS ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.8rem 1.5rem;
    font-size: 0.95rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    text-decoration: none;
    transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
}

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

.btn-hero {
    background: var(--primary);
    color: var(--white);
}

.btn-hero:hover { background: var(--primary-hover); box-shadow: 0 8px 20px rgba(99, 102, 241, 0.35); }

.btn-ghost {
    background: transparent;
    color: var(--gray-300);
    border: 1px solid var(--gray-600);
}

.btn-ghost:hover { border-color: var(--gray-400); color: var(--white); }

.btn-calc {
    background: var(--primary);
    color: var(--white);
    padding: 0.9rem 2rem;
}
.btn-calc:hover { background: var(--primary-hover); box-shadow: 0 8px 20px rgba(99, 102, 241, 0.3); }

.btn-reset {
    background: var(--gray-100);
    color: var(--gray-600);
    padding: 0.9rem 1.5rem;
}
.btn-reset:hover { background: var(--gray-200); }

/* ========== SECTIONS ========== */
.section { padding: 5rem 0; }

.section-heading {
    text-align: center;
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--secondary);
    margin-bottom: 0.5rem;
}

.section-sub {
    text-align: center;
    color: var(--gray-500);
    max-width: 520px;
    margin: 0 auto 2.75rem;
    font-size: 1.05rem;
}

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

/* ========== HOW IT WORKS ========== */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.step-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    padding: 2rem;
    border-radius: var(--radius-lg);
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.step-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }

.step-num {
    display: inline-flex;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--primary);
    color: var(--white);
    font-weight: 800;
    font-size: 1.1rem;
    margin-bottom: 1.25rem;
}

.step-card h3 { color: var(--secondary); margin-bottom: 0.5rem; font-size: 1.1rem; }
.step-card p { color: var(--gray-500); font-size: 0.95rem; }

/* ========== CALCULATOR ========== */
.section-calc-bg { background: var(--gray-50); }

.calc-wrap {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.calc-form { padding: 2rem; }

.calc-rate-bar {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.25rem;
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    margin-bottom: 1.5rem;
}

.calc-rate-bar label {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--gray-700);
    white-space: nowrap;
}

.rate-input-wrap {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-sm);
    padding: 0.5rem 0.75rem;
    transition: border-color 0.2s;
}

.rate-input-wrap:focus-within { border-color: var(--primary); }

.rate-currency { color: var(--gray-400); font-weight: 600; }
.rate-unit { color: var(--gray-400); font-size: 0.85rem; white-space: nowrap; }

.rate-input-wrap input {
    border: none;
    outline: none;
    font-size: 1rem;
    font-family: var(--font);
    width: 60px;
    font-weight: 600;
    color: var(--gray-800);
    background: transparent;
}

.calc-rows { display: flex; flex-direction: column; gap: 0.75rem; margin-bottom: 1rem; }

.calc-row {
    display: grid;
    grid-template-columns: 1.6fr 0.8fr 0.7fr 0.5fr auto;
    gap: 0.75rem;
    align-items: end;
    padding: 1rem;
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
}

.cr-field label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--gray-500);
    margin-bottom: 0.35rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.cr-field select,
.cr-field input {
    width: 100%;
    padding: 0.6rem 0.75rem;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-family: var(--font);
    background: var(--white);
    color: var(--gray-800);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.cr-field select:focus,
.cr-field input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.cr-remove {
    display: flex;
    align-items: flex-end;
    padding-bottom: 0.1rem;
}

.cr-remove-placeholder { width: 32px; }

.btn-remove-row {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    border: 1px solid var(--gray-300);
    background: var(--white);
    color: var(--gray-400);
    cursor: pointer;
    font-size: 1.1rem;
    transition: background 0.2s, color 0.2s;
}

.btn-remove-row:hover { background: #FEE2E2; color: #EF4444; border-color: #FECACA; }

.btn-add {
    width: 100%;
    padding: 0.75rem;
    background: var(--white);
    border: 2px dashed var(--gray-300);
    border-radius: var(--radius-md);
    color: var(--gray-500);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: border-color 0.2s, color 0.2s;
    margin-bottom: 1.5rem;
}

.btn-add:hover { border-color: var(--primary); color: var(--primary); }

.calc-actions { display: flex; gap: 0.75rem; }

.calc-results { padding: 0 2rem 2rem; }

.calc-placeholder {
    text-align: center;
    color: var(--gray-400);
    font-style: italic;
    padding: 2rem 0;
}

.calc-results.has-results .calc-placeholder { display: none; }

.results-panel { display: none; }
.calc-results.has-results .results-panel { display: block; }

.rp-hero {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: var(--white);
    padding: 1.5rem 2rem;
    border-radius: var(--radius-lg);
    text-align: center;
    margin-bottom: 1rem;
}

.rp-hero-label { display: block; font-size: 0.85rem; opacity: 0.9; margin-bottom: 0.25rem; }
.rp-hero-value { font-size: 2.5rem; font-weight: 900; display: block; }

.rp-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.75rem;
}

.rp-item {
    padding: 1rem;
    text-align: center;
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
}

.rp-label { display: block; font-size: 0.8rem; color: var(--gray-500); margin-bottom: 0.25rem; text-transform: uppercase; letter-spacing: 0.04em; font-weight: 600; }
.rp-value { font-size: 1.25rem; font-weight: 800; color: var(--secondary); }

/* ========== STATS ========== */
.section-stats { background: var(--secondary); color: var(--white); padding: 3.5rem 0; }

.stats-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    text-align: center;
}

.stat-num { display: inline; font-size: 2.5rem; font-weight: 900; }
.stat-plus { font-size: 1.75rem; font-weight: 900; }
.stat-label { display: block; color: var(--gray-400); font-size: 0.9rem; margin-top: 0.25rem; }

/* ========== CATEGORIES ========== */
.cat-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.cat-card {
    position: relative;
    padding: 2rem 1.5rem;
    border-radius: var(--radius-lg);
    text-decoration: none;
    color: var(--white);
    display: flex;
    flex-direction: column;
    min-height: 220px;
    transition: transform 0.3s, box-shadow 0.3s;
    overflow: hidden;
}

.cat-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-xl); }

.cat-icon { font-size: 2.25rem; margin-bottom: 1rem; }
.cat-card h3 { font-size: 1.1rem; margin-bottom: 0.4rem; }
.cat-card p { font-size: 0.85rem; opacity: 0.9; flex: 1; }
.cat-arrow { font-size: 1.25rem; margin-top: 0.5rem; opacity: 0.7; transition: transform 0.2s, opacity 0.2s; }
.cat-card:hover .cat-arrow { opacity: 1; transform: translateX(4px); }

.cat-1 { background: linear-gradient(145deg, #10B981, #34D399); }
.cat-2 { background: linear-gradient(145deg, #6366F1, #818CF8); }
.cat-3 { background: linear-gradient(145deg, #F97316, #FDBA74); }
.cat-4 { background: linear-gradient(145deg, #8B5CF6, #C084FC); }

/* ========== INFO SPLIT ========== */
.info-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.info-text h2 { font-size: 1.5rem; color: var(--secondary); margin-bottom: 0.75rem; font-weight: 800; }
.info-text p { color: var(--gray-600); margin-bottom: 0.75rem; }

.link-arrow {
    color: var(--primary);
    font-weight: 600;
    text-decoration: none;
    transition: color 0.2s;
}
.link-arrow:hover { color: var(--primary-hover); }

/* ========== CONTENT ARTICLE ========== */
.content-article {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    box-shadow: var(--shadow-sm);
}

.content-article h2 { font-size: 1.75rem; color: var(--secondary); margin-bottom: 0.75rem; }
.content-article h3 { font-size: 1.15rem; color: var(--primary); margin: 1.75rem 0 0.5rem; }
.content-article p { color: var(--gray-600); margin-bottom: 0.75rem; }
.content-article a { color: var(--primary); text-decoration: none; }
.content-article a:hover { text-decoration: underline; }

/* ========== CTA ========== */
.section-cta { padding: 2rem 0 5rem; }

.cta-box {
    background: linear-gradient(135deg, var(--secondary), var(--gray-800));
    color: var(--white);
    padding: 3.5rem 2rem;
    border-radius: var(--radius-xl);
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.cta-box h2 { font-size: 1.75rem; margin-bottom: 0.5rem; }
.cta-box p { color: var(--gray-400); margin-bottom: 1.5rem; }

/* ========== FOOTER ========== */
.footer { background: var(--gray-900); color: var(--white); }

.footer-inner { max-width: 1200px; margin: 0 auto; padding: 0; }

.footer-top {
    display: grid;
    grid-template-columns: 1.3fr 1fr 1fr 1fr;
    gap: 2rem;
    padding: 3.5rem 1.5rem 2.5rem;
}

.footer-brand .footer-logo {
    font-size: 1.2rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    margin-bottom: 0.75rem;
}

.footer-logo-img {
    height: 76px;
    width: auto;
    display: block;
    object-fit: contain;
}

.footer-brand .footer-logo:not(:has(.footer-logo-img)) {
    align-items: center;
    gap: 0.25rem;
    margin-bottom: 0.75rem;
    color: var(--white);
}

.footer-brand p { font-size: 0.9rem; color: rgba(255,255,255,0.6); max-width: 280px; line-height: 1.6; }

.footer-col h4 {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--gray-400);
    margin-bottom: 1rem;
}

.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 0.5rem; }

.footer-col a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}

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

.footer-cta-box {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-md);
    padding: 1.25rem;
}

.footer-cta-box h4 { margin-bottom: 0.5rem; }
.footer-cta-box p { font-size: 0.85rem; color: rgba(255,255,255,0.7); margin-bottom: 0.25rem; }
.footer-cta-box small { color: rgba(255,255,255,0.45); font-size: 0.8rem; }

.footer-divider { height: 1px; background: rgba(255,255,255,0.1); margin: 0 1.5rem; }

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 1.5rem;
    gap: 1rem;
    flex-wrap: wrap;
}

.footer-bottom p { font-size: 0.8rem; color: rgba(255,255,255,0.5); margin: 0; }
.footer-legal { display: flex; gap: 1.25rem; }
.footer-legal a { color: rgba(255,255,255,0.5); text-decoration: none; font-size: 0.8rem; }
.footer-legal a:hover { color: var(--white); }

/* ========== RESPONSIVE - TABLET ========== */
@media (max-width: 1024px) {
    .hero-inner { grid-template-columns: 1fr; text-align: center; }
    .hero-desc { max-width: 100%; margin-left: auto; margin-right: auto; }
    .hero-actions { justify-content: center; }
    .hero-trust { justify-content: center; }
    .hero-visual { display: flex; justify-content: center; margin-top: 1rem; }
    .hero-card { max-width: 380px; width: 100%; }
    .hero h1 { font-size: 2.75rem; }

    .steps-grid { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; }
    .cat-grid { grid-template-columns: repeat(2, 1fr); }
    .info-split { grid-template-columns: 1fr; gap: 2rem; }
    .stats-row { grid-template-columns: repeat(2, 1fr); }
    .footer-top { grid-template-columns: 1fr 1fr; }

    .calc-row { grid-template-columns: 1fr 1fr; }
    .cr-appliance { grid-column: span 2; }
    .cr-remove { justify-content: flex-end; }
    .rp-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ========== RESPONSIVE - MOBILE ========== */
@media (max-width: 640px) {
    .nav-toggle { display: flex; }
    .main-nav {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        bottom: auto;
        max-height: calc(100vh - 60px);
        background: var(--white);
        border-bottom: 1px solid var(--gray-200);
        flex-direction: column;
        padding: 1rem;
        gap: 0.25rem;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: transform 0.3s, opacity 0.3s, visibility 0.3s;
        box-shadow: var(--shadow-lg);
        overflow-x: hidden;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }
    .main-nav.is-open { transform: translateY(0); opacity: 1; visibility: visible; }
    .main-nav > a, .categories-btn { width: 100%; justify-content: flex-start; }

    .categories-dropdown {
        width: 100%;
        min-width: 0;
        max-width: 100%;
        overflow: visible;
        flex: 0 0 100%;
    }
    .categories-btn {
        width: 100%;
        justify-content: space-between;
        padding: 0.6rem 0.75rem;
    }
    .categories-btn svg {
        transition: transform 0.25s;
        flex-shrink: 0;
    }
    .categories-dropdown .categories-btn[aria-expanded="true"] svg {
        transform: rotate(180deg);
    }

    .categories-menu {
        position: static !important;
        left: 0 !important;
        transform: none !important;
        border: none;
        box-shadow: none;
        list-style: none;
        margin: 0 !important;
        padding: 0.25rem 0 0 0 !important;
        min-width: 0;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box;
        max-height: 0;
        overflow: hidden;
        opacity: 0;
        visibility: hidden;
        transition: max-height 0.3s ease, opacity 0.2s, visibility 0.2s;
        text-align: left;
    }
    .categories-dropdown .categories-btn[aria-expanded="true"] + .categories-menu {
        max-height: 20rem;
        opacity: 1;
        visibility: visible;
    }
    .categories-menu li {
        margin: 0 !important;
        padding: 0 !important;
        list-style: none;
        width: 100%;
    }
    .categories-menu a {
        display: block !important;
        width: 100% !important;
        max-width: 100%;
        box-sizing: border-box;
        padding: 0.6rem 1rem !important;
        white-space: normal;
        word-wrap: break-word;
        overflow-wrap: break-word;
        text-align: left;
    }

    .hero { padding: 3.5rem 0 3rem; }
    .hero h1 { font-size: 2rem; }
    .hero-desc { font-size: 0.95rem; }
    .hero-actions { flex-direction: column; }
    .hero-trust { flex-direction: column; gap: 0.35rem; }
    .trust-dot { display: none; }

    .section { padding: 3rem 0; }
    .section-heading { font-size: 1.5rem; }

    .cat-grid { grid-template-columns: 1fr; }
    .stats-row { grid-template-columns: 1fr; gap: 1.25rem; }
    .stat-num { font-size: 2rem; }

    .calc-form { padding: 1.25rem; }
    .calc-rate-bar { flex-direction: column; align-items: stretch; gap: 0.5rem; }
    .calc-row { grid-template-columns: 1fr; }
    .cr-appliance { grid-column: span 1; }
    .cr-remove { justify-content: flex-start; }
    .cr-remove-placeholder { display: none; }
    .calc-actions { flex-direction: column; }
    .btn-calc, .btn-reset { width: 100%; }
    .calc-results { padding: 0 1.25rem 1.25rem; }
    .rp-grid { grid-template-columns: 1fr 1fr; }
    .rp-hero-value { font-size: 2rem; }

    .footer-top { grid-template-columns: 1fr; text-align: center; }
    .footer-brand p { max-width: none; }
    .footer-bottom { flex-direction: column; text-align: center; }
    .footer-legal { justify-content: center; }

    .content-article { padding: 1.5rem; }
    .cta-box { padding: 2.5rem 1.5rem; }
    .cta-box h2 { font-size: 1.4rem; }
}

/* ========== CATEGORY LISTING PAGES ========== */
.cat-hero {
    background: linear-gradient(135deg, #0F172A 0%, #1E293B 50%, #0F172A 100%);
    padding: 7rem 0 4rem;
    position: relative;
    overflow: hidden;
    text-align: center;
}
.cat-hero::before {
    content: '';
    position: absolute;
    width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(99,102,241,0.18) 0%, transparent 70%);
    top: -150px; left: -100px;
    border-radius: 50%;
    pointer-events: none;
}
.cat-hero::after {
    content: '';
    position: absolute;
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(16,185,129,0.12) 0%, transparent 70%);
    bottom: -120px; right: -80px;
    border-radius: 50%;
    pointer-events: none;
}
.cat-hero .container { position: relative; z-index: 1; }
.cat-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(99,102,241,0.15);
    border: 1px solid rgba(99,102,241,0.25);
    padding: 0.4rem 1.2rem;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1.25rem;
}
.cat-hero-badge svg { width: 16px; height: 16px; }
.cat-hero h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    color: #fff;
    margin-bottom: 1rem;
    line-height: 1.15;
}
.cat-hero h1 .gradient-text {
    background: linear-gradient(135deg, var(--primary-light), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.cat-hero-desc {
    font-size: 1.1rem;
    color: var(--gray-400);
    max-width: 600px;
    margin: 0 auto 1.5rem;
    line-height: 1.7;
}
.cat-hero-count {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--gray-300);
    font-size: 0.95rem;
    font-weight: 500;
}
.cat-hero-count span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px; height: 28px;
    background: var(--primary);
    color: #fff;
    border-radius: 50%;
    font-size: 0.85rem;
    font-weight: 700;
}

.breadcrumb { margin-bottom: 1.5rem; font-size: 0.9rem; }
.breadcrumb a { color: var(--primary); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb span { color: var(--gray-500); }

.cat-listing { padding: 4rem 0 5rem; }
.cat-listing .container > h2 {
    text-align: center;
    font-size: 1.6rem;
    color: var(--secondary);
    margin-bottom: 2.5rem;
    font-weight: 700;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}
.blog-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s, box-shadow 0.3s;
    display: flex;
    flex-direction: column;
}
.blog-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}
.blog-card-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}
.blog-card-body {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex: 1;
}
.blog-card-cat {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--primary);
    background: rgba(99,102,241,0.08);
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    width: fit-content;
    margin-bottom: 0.75rem;
}
.blog-card-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--secondary);
    line-height: 1.4;
    margin-bottom: 0.75rem;
}
.blog-card-title a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s;
}
.blog-card-title a:hover { color: var(--primary); }
.blog-card-excerpt {
    font-size: 0.9rem;
    color: var(--gray-600);
    line-height: 1.6;
    margin-bottom: 1.25rem;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.blog-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 1rem;
    border-top: 1px solid var(--gray-200);
}
.blog-card-read {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    transition: gap 0.2s;
}
.blog-card-read:hover { gap: 0.65rem; }
.blog-card-meta {
    font-size: 0.78rem;
    color: var(--gray-500);
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

/* ========== BLOG PREVIEW – HOMEPAGE ========== */
.blog-preview { padding: 5rem 0; }
.blog-preview-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}
.blog-preview-header h2 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--secondary);
}
.blog-preview-header h2 span { color: var(--primary); }
.blog-preview-link {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--primary);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    transition: gap 0.2s;
}
.blog-preview-link:hover { gap: 0.7rem; }
.blog-preview-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.75rem;
}
.blog-preview-grid .blog-card-img { height: 170px; }
.blog-preview-grid .blog-card-body { padding: 1.25rem; }
.blog-preview-grid .blog-card-title { font-size: 1rem; }

/* ========== CATEGORY / BLOG RESPONSIVE ========== */
@media (max-width: 1024px) {
    .blog-grid { grid-template-columns: repeat(2, 1fr); }
    .blog-preview-grid { grid-template-columns: repeat(2, 1fr); }
    .cat-hero { padding: 6rem 0 3rem; }
}
@media (max-width: 640px) {
    .blog-grid { grid-template-columns: 1fr; }
    .blog-preview-grid { grid-template-columns: 1fr; }
    .cat-hero { padding: 5.5rem 0 2.5rem; }
    .cat-hero h1 { font-size: 1.7rem; }
    .cat-hero-desc { font-size: 0.95rem; }
    .cat-listing { padding: 2.5rem 0 3rem; }
    .blog-preview { padding: 3rem 0; }
    .blog-preview-header h2 { font-size: 1.5rem; }
    .blog-preview-grid .blog-card-img { height: 180px; }
}

/* ========== CORE PAGES ========== */
.page-content { padding: 2.5rem 0 4rem; }
.content-card { background: var(--white); padding: 2.5rem; border-radius: var(--radius-xl); box-shadow: var(--shadow-sm); border: 1px solid var(--gray-200); border-left: 5px solid var(--primary); }
.content-card h1 { color: var(--secondary); font-size: 2rem; margin-bottom: 1.25rem; }
.content-card h2 { color: var(--secondary); font-size: 1.35rem; margin: 2rem 0 0.75rem; }
.content-card h3 { color: var(--primary); font-size: 1.15rem; margin: 1.5rem 0 0.5rem; }
.content-card p { color: var(--gray-600); margin-bottom: 1rem; }
.content-card a { color: var(--primary); text-decoration: none; }
.content-card a:hover { text-decoration: underline; }
.content-card ul { margin: 0.75rem 0 1rem 1.5rem; }
.content-card li { margin-bottom: 0.5rem; }
.content-card.content-card-legal { border-left-color: var(--secondary); }

/* ========== PAGE HERO (About / Contact) ========== */
.page-hero {
    position: relative;
    overflow: hidden;
    background: var(--gray-900);
    color: var(--white);
    padding: 4rem 0 3.5rem;
}

.page-hero-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    pointer-events: none;
}

.page-hero-glow-1 {
    width: 500px;
    height: 500px;
    top: -180px;
    left: -80px;
    background: rgba(99, 102, 241, 0.3);
}

.about-page-hero .page-hero-glow-1 { background: rgba(99, 102, 241, 0.3); }
.contact-page-hero .page-hero-glow-1 { background: rgba(249, 115, 22, 0.3); }

.page-hero-glow-2 {
    width: 400px;
    height: 400px;
    bottom: -160px;
    right: -60px;
    background: rgba(16, 185, 129, 0.2);
}

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

.page-hero h1 {
    font-size: 2.75rem;
    font-weight: 900;
    line-height: 1.15;
    letter-spacing: -0.03em;
    margin-bottom: 1rem;
    max-width: 600px;
}

.page-hero-desc {
    font-size: 1.1rem;
    color: var(--gray-400);
    max-width: 540px;
    line-height: 1.65;
}

.breadcrumb-light a { color: var(--primary-light); }
.breadcrumb-light span { color: var(--gray-400); }

.btn-ghost-dark {
    background: transparent;
    color: var(--gray-600);
    border: 1px solid var(--gray-300);
}
.btn-ghost-dark:hover { border-color: var(--gray-400); color: var(--secondary); }

/* ========== ABOUT PAGE ========== */
.about-values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.about-vcard {
    padding: 2rem;
    border-radius: var(--radius-lg);
    background: var(--white);
    border: 1px solid var(--gray-200);
    transition: transform 0.3s, box-shadow 0.3s;
}

.about-vcard:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.about-vcard-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.25rem;
}

.about-vcard-icon-1 { background: rgba(99, 102, 241, 0.1); }
.about-vcard-icon-2 { background: rgba(16, 185, 129, 0.1); }
.about-vcard-icon-3 { background: rgba(249, 115, 22, 0.1); }

.about-vcard h3 { color: var(--secondary); font-size: 1.1rem; margin-bottom: 0.5rem; }
.about-vcard p { color: var(--gray-500); font-size: 0.95rem; margin: 0; line-height: 1.6; }

/* Offer Bento */
.about-offer-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto;
    gap: 1.25rem;
}

.about-offer-card {
    padding: 2rem;
    border-radius: var(--radius-lg);
    text-decoration: none;
    transition: transform 0.3s, box-shadow 0.3s;
}

.about-offer-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }

.about-offer-main {
    grid-row: span 2;
    background: var(--white);
    border: 1px solid var(--gray-200);
}

.about-offer-badge {
    display: inline-block;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary);
    font-size: 0.8rem;
    font-weight: 700;
    padding: 0.3rem 0.75rem;
    border-radius: 50px;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.about-offer-main h3 { font-size: 1.35rem; color: var(--secondary); margin-bottom: 0.75rem; }
.about-offer-main p { color: var(--gray-600); margin-bottom: 0.75rem; line-height: 1.65; }
.about-offer-main a { color: var(--primary); text-decoration: none; }
.about-offer-main a:hover { text-decoration: underline; }

.about-offer-sm {
    color: var(--white);
    display: flex;
    flex-direction: column;
}

.about-offer-emoji { font-size: 1.75rem; margin-bottom: 0.75rem; }
.about-offer-sm h4 { font-size: 1.05rem; margin-bottom: 0.35rem; }
.about-offer-sm p { font-size: 0.85rem; opacity: 0.9; margin: 0; }

.about-offer-green { background: linear-gradient(145deg, #10B981, #34D399); }
.about-offer-indigo { background: linear-gradient(145deg, #6366F1, #818CF8); }
.about-offer-orange { background: linear-gradient(145deg, #F97316, #FDBA74); }
.about-offer-purple { background: linear-gradient(145deg, #8B5CF6, #C084FC); }

/* About CTA Split */
.about-cta-split {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 2.5rem;
    align-items: start;
}

.about-cta-text h2 { font-size: 1.5rem; color: var(--secondary); margin-bottom: 0.75rem; }
.about-cta-text p { color: var(--gray-600); margin-bottom: 1.25rem; max-width: 460px; }
.about-cta-links { display: flex; gap: 0.75rem; }

.about-cta-cards { display: flex; flex-direction: column; gap: 1rem; }

.about-mini-card {
    padding: 1.25rem;
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
}

.about-mini-card strong { color: var(--secondary); display: block; margin-bottom: 0.25rem; }
.about-mini-card p { color: var(--gray-500); font-size: 0.9rem; margin: 0; }
.about-mini-card a { color: var(--primary); text-decoration: none; }
.about-mini-card a:hover { text-decoration: underline; }

/* ========== CONTACT PAGE ========== */
.contact-methods-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.contact-method-card {
    padding: 2rem;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    transition: transform 0.3s, box-shadow 0.3s;
}

.contact-method-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }

.cm-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.25rem;
}

.cm-icon-mail { background: rgba(99, 102, 241, 0.1); }
.cm-icon-clock { background: rgba(16, 185, 129, 0.1); }
.cm-icon-book { background: rgba(249, 115, 22, 0.1); }

.contact-method-card h3 { color: var(--secondary); font-size: 1.1rem; margin-bottom: 0.5rem; }
.contact-method-card p { color: var(--gray-500); font-size: 0.95rem; margin: 0; line-height: 1.6; }
.contact-method-card a { color: var(--primary); text-decoration: none; }
.contact-method-card a:hover { text-decoration: underline; }

/* Contact Content Split */
.contact-content-split {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 2.5rem;
    align-items: start;
}

.contact-content-main h2 { font-size: 1.5rem; color: var(--secondary); margin-bottom: 1.5rem; }

.contact-topics { display: flex; flex-direction: column; gap: 1rem; margin-bottom: 1.5rem; }

.contact-topic {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    padding: 1rem 1.25rem;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
}

.ct-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--primary);
    margin-top: 0.5rem;
    flex-shrink: 0;
}

.contact-topic strong { color: var(--secondary); display: block; margin-bottom: 0.15rem; font-size: 0.95rem; }
.contact-topic p { color: var(--gray-500); font-size: 0.9rem; margin: 0; }
.contact-topic a { color: var(--primary); text-decoration: none; }
.contact-topic a:hover { text-decoration: underline; }

.contact-disclaimer {
    padding: 1rem 1.25rem;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-left: 4px solid var(--gray-400);
    border-radius: var(--radius-sm);
}

.contact-disclaimer p { color: var(--gray-500); font-size: 0.9rem; margin: 0; font-style: italic; }

/* Contact Sidebar */
.contact-content-side { display: flex; flex-direction: column; gap: 1.25rem; }

.contact-side-card {
    padding: 1.5rem;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
}

.contact-side-card h3 { color: var(--secondary); font-size: 1rem; margin-bottom: 0.75rem; }

.contact-qlink {
    display: block;
    color: var(--primary);
    text-decoration: none;
    padding: 0.35rem 0;
    font-weight: 500;
    font-size: 0.9rem;
    transition: padding-left 0.2s;
}

.contact-qlink:hover { padding-left: 6px; }

.contact-side-cta { text-align: center; background: var(--gray-50); }
.contact-side-cta p { color: var(--gray-500); font-size: 0.9rem; margin-bottom: 1rem; }
.contact-side-cta .btn { width: 100%; }

/* ========== CONTACT FORM ========== */
.contact-form-section { padding: 4rem 0; }
.contact-form-wrap {
    max-width: 720px;
    margin: 0 auto;
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: 0 4px 24px rgba(0,0,0,0.06), 0 0 0 1px rgba(0,0,0,0.04);
    overflow: hidden;
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 0;
    min-height: 420px;
}
.contact-form-intro {
    padding: 2.5rem 2rem;
    background: linear-gradient(160deg, #0F172A 0%, #1E293B 100%);
    color: #fff;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.contact-form-badge {
    display: inline-flex;
    align-items: center;
    width: fit-content;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--primary-light);
    margin-bottom: 1rem;
}
.contact-form-intro h2 {
    font-size: 1.6rem;
    font-weight: 800;
    margin-bottom: 0.75rem;
    color: #fff;
    line-height: 1.25;
}
.contact-form-intro h2 .gradient-text {
    background: linear-gradient(135deg, #A5B4FC, #34D399);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.contact-form-intro p {
    font-size: 0.95rem;
    color: var(--gray-400);
    line-height: 1.65;
    margin: 0;
}
.contact-form {
    padding: 2.5rem 2.5rem 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}
.contact-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}
.contact-field {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}
.contact-field label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--secondary);
}
.contact-field .required { color: var(--accent); }
.contact-field input,
.contact-field select,
.contact-field textarea {
    width: 100%;
    padding: 0.85rem 1rem;
    font-family: inherit;
    font-size: 0.95rem;
    color: var(--secondary);
    background: var(--gray-50);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
}
.contact-field input::placeholder,
.contact-field textarea::placeholder {
    color: var(--gray-400);
}
.contact-field input:hover,
.contact-field select:hover,
.contact-field textarea:hover {
    background: var(--white);
}
.contact-field input:focus,
.contact-field select:focus,
.contact-field textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--white);
    box-shadow: 0 0 0 4px rgba(99,102,241,0.12);
}
.contact-field select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}
.contact-field textarea {
    resize: vertical;
    min-height: 120px;
}
.contact-form-actions {
    margin-top: 0.5rem;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
}
.contact-submit-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.9rem 1.75rem;
}
.contact-submit-btn .btn-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s;
}
.contact-submit-btn:hover .btn-icon { transform: translate(3px, -3px); }
.contact-submit-btn:disabled { cursor: not-allowed; opacity: 0.9; }
.contact-submit-btn.contact-btn-success { background: var(--accent); pointer-events: none; }
.contact-form-note {
    font-size: 0.8rem;
    color: var(--gray-500);
    margin: 0;
}
.contact-form-note a { color: var(--primary); text-decoration: none; }
.contact-form-note a:hover { text-decoration: underline; }

/* ========== ABOUT / CONTACT RESPONSIVE ========== */
@media (max-width: 1024px) {
    .page-hero h1 { font-size: 2.25rem; }
    .about-offer-grid { grid-template-columns: 1fr; }
    .about-offer-main { grid-row: span 1; }
    .about-cta-split { grid-template-columns: 1fr; }
    .about-cta-cards { flex-direction: row; }
    .about-mini-card { flex: 1; }
    .contact-form-wrap { grid-template-columns: 1fr; max-width: 100%; }
    .contact-form-intro { padding: 2rem 1.75rem; }
    .contact-form-intro h2 { font-size: 1.4rem; }
    .contact-form { padding: 2rem 1.75rem; }
    .contact-content-split { grid-template-columns: 1fr; }
    .contact-content-side { flex-direction: row; flex-wrap: wrap; }
    .contact-side-card { flex: 1 1 250px; }
}

@media (max-width: 640px) {
    .page-hero { padding: 3rem 0 2.5rem; }
    .page-hero h1 { font-size: 1.75rem; }
    .page-hero-desc { font-size: 0.95rem; }
    .about-values-grid { grid-template-columns: 1fr; }
    .about-cta-links { flex-direction: column; }
    .about-cta-links .btn { width: 100%; }
    .about-cta-cards { flex-direction: column; }
    .contact-form-section { padding: 2.5rem 0; }
    .contact-form-wrap { min-height: auto; }
    .contact-form-intro { padding: 1.75rem 1.25rem; }
    .contact-form-intro h2 { font-size: 1.25rem; }
    .contact-form { padding: 1.75rem 1.25rem; gap: 1rem; }
    .contact-form-row { grid-template-columns: 1fr; gap: 1rem; }
    .contact-form-actions { margin-top: 0.25rem; }
    .contact-submit-btn { width: 100%; justify-content: center; }
    .contact-methods-grid { grid-template-columns: 1fr; }
    .contact-content-side { flex-direction: column; }
    .content-card { padding: 1.5rem; }
    .content-card h1 { font-size: 1.6rem; }
}