        :root {
            --navy: #0B1D3A;
            --navy-light: #132C52;
            --teal: #0ABAB5;
            --teal-dark: #089E9A;
            --teal-glow: rgba(10, 186, 181, 0.15);
            --ice-blue: #E8F4F8;
            --ice-blue-deep: #D0EBF2;
            --warm-white: #FAFCFD;
            --warm-bg: #F5F0EB;
            --warm-bg-deep: #EDE5DB;
            --coral: #E8604C;
            --coral-light: #FCEAE7;
            --amber: #F5A623;
            --amber-light: #FFF4E0;
            --green: #2ECC71;
            --green-light: #E8F8EF;
            --slate: #4A5568;
            --slate-light: #718096;
            --text-primary: #1A202C;
            --text-secondary: #4A5568;
            --white: #FFFFFF;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
            --shadow-md: 0 4px 14px rgba(0,0,0,0.08);
            --shadow-lg: 0 10px 40px rgba(0,0,0,0.1);
            --shadow-teal: 0 4px 20px rgba(10, 186, 181, 0.3);
            --radius: 12px;
            --radius-lg: 20px;
        }

        * { margin: 0; padding: 0; box-sizing: border-box; }

        html { scroll-behavior: smooth; }

        body {
            font-family: 'DM Sans', sans-serif;
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        h1, h2, h3, h4, h5 {
            font-family: 'Fraunces', serif;
            line-height: 1.2;
        }

        /* ============================================
           NAV
           ============================================ */
        .nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            padding: 0.75rem 2rem;
            backdrop-filter: blur(20px);
            background: rgba(255,255,255,0.92);
            border-bottom: 1px solid rgba(0,0,0,0.06);
            transition: all 0.3s ease;
        }
        .nav.scrolled {
            box-shadow: var(--shadow-md);
        }
        .nav-inner {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .nav-logo img {
            height: 36px;
        }
        .nav-logo span {
            display: none;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 2rem;
            list-style: none;
        }
        .nav-links a {
            text-decoration: none;
            color: var(--text-secondary);
            font-size: 0.9rem;
            font-weight: 500;
            transition: color 0.2s;
        }
        .nav-links a:hover { color: var(--teal-dark); }
        .nav-cta {
            background: var(--teal);
            color: var(--white) !important;
            padding: 0.5rem 1.25rem;
            border-radius: 8px;
            font-weight: 600 !important;
            transition: all 0.2s !important;
        }
        .nav-cta:hover {
            background: var(--teal-dark);
            transform: translateY(-1px);
            box-shadow: var(--shadow-teal);
        }
        .nav-hamburger {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 0.5rem;
        }
        .nav-hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--navy);
            margin: 5px 0;
            transition: 0.3s;
        }

        /* ============================================
           HERO — dark navy with teal accents
           ============================================ */
        .hero {
            background: var(--navy);
            position: relative;
            overflow: hidden;
            padding: 8rem 2rem 5rem;
            min-height: 90vh;
            display: flex;
            align-items: center;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 80%;
            height: 200%;
            background: none;
            pointer-events: none;
        }
        .hero::after {
            content: none;
            pointer-events: none;
        }
        .hero-inner {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1fr;
            gap: 2.5rem;
            align-items: center;
            justify-items: center;
            text-align: center;
            position: relative;
            z-index: 1;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(10,186,181,0.12);
            border: 1px solid rgba(10,186,181,0.25);
            color: var(--teal);
            padding: 0.4rem 1rem;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 1.5rem;
        }
        .hero-badge::before {
            content: '';
        }
        .hero h1 {
            color: var(--white);
            font-size: clamp(2.2rem, 4.5vw, 3.4rem);
            font-weight: 800;
            margin-bottom: 1.25rem;
            letter-spacing: -0.02em;
        }
        .hero h1 em {
            font-style: normal;
            color: #1CC9AD;
        }
        .hero-sub {
            color: rgba(255,255,255,0.7);
            font-size: 1.15rem;
            line-height: 1.7;
            margin: 0 auto 2rem;
            max-width: 520px;
        }
        .hero-buttons {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
            margin-bottom: 2.5rem;
            justify-content: center;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: var(--teal);
            color: var(--white);
            padding: 0.85rem 1.75rem;
            border-radius: 10px;
            text-decoration: none;
            font-weight: 600;
            font-size: 1rem;
            transition: all 0.25s;
            border: none;
            cursor: pointer;
        }
        .btn-primary:hover {
            background: var(--teal-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-teal);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(255,255,255,0.08);
            border: 1px solid rgba(255,255,255,0.2);
            color: var(--white);
            padding: 0.85rem 1.75rem;
            border-radius: 10px;
            text-decoration: none;
            font-weight: 500;
            font-size: 1rem;
            transition: all 0.25s;
        }
        .btn-secondary:hover {
            background: rgba(255,255,255,0.14);
            border-color: rgba(255,255,255,0.35);
        }
        .hero-trust {
            display: flex;
            gap: 1.5rem;
            flex-wrap: wrap;
            justify-content: center;
        }
        .hero-trust span {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            color: rgba(255,255,255,0.5);
            font-size: 0.85rem;
            font-weight: 500;
        }
        .hero-trust span::before {
            content: '✓';
            color: var(--teal);
            font-weight: 700;
        }

        /* Hero visual — temperature card mockup */
        .hero-visual {
            position: relative;
            display: flex;
            justify-content: center;
            width: 540px;
            height: 390px;
            margin: 1.25rem auto 0;
        }
        .temp-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 2rem;
            box-shadow: 0 20px 60px rgba(0,0,0,0.3);
            width: 320px;
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%) rotate(2deg);
            z-index: 1;
        }
        .temp-card-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 1.5rem;
        }
        .temp-card-name {
            font-family: 'DM Sans', sans-serif;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-secondary);
        }
        .temp-card-status {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--green);
            background: var(--green-light);
            padding: 0.25rem 0.75rem;
            border-radius: 50px;
        }
        .temp-card-status::before {
            content: '';
            width: 6px;
            height: 6px;
            background: var(--green);
            border-radius: 50%;
            animation: pulse 2s infinite;
        }
        @keyframes pulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.4; }
        }
        .temp-card-temp {
            font-family: 'Fraunces', serif;
            font-size: 4rem;
            font-weight: 800;
            color: var(--navy);
            line-height: 1;
            margin-bottom: 0.25rem;
        }
        .temp-card-temp sup {
            font-size: 1.5rem;
            font-weight: 600;
            vertical-align: super;
        }
        .temp-card-range {
            font-size: 0.8rem;
            color: var(--slate-light);
            margin-bottom: 1.5rem;
        }
        .temp-card-chart {
            height: 60px;
            background: linear-gradient(135deg, var(--ice-blue) 0%, var(--teal-glow) 100%);
            border-radius: 8px;
            position: relative;
            overflow: hidden;
        }
        .temp-card-chart svg {
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 100%;
        }
        .temp-card-mini {
            position: absolute;
            top: -0.35rem;
            left: -150px;
            background: var(--white);
            border-radius: 16px;
            padding: 1rem 1.25rem;
            box-shadow: var(--shadow-lg);
            transform: rotate(-4deg);
            z-index: 2;
        }
        .temp-card-mini-label {
            font-size: 0.7rem;
            color: var(--slate-light);
            font-weight: 500;
        }
        .temp-card-mini-temp {
            font-family: 'Fraunces', serif;
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--navy);
        }

        /* Notification popup */
        .hero-notif {
            position: absolute;
            bottom: -0.15rem;
            right: -210px;
            background: var(--white);
            border-radius: 14px;
            padding: 0.75rem 1rem;
            box-shadow: var(--shadow-lg);
            display: flex;
            align-items: center;
            gap: 0.75rem;
            z-index: 2;
        }
        .hero-notif-icon {
            width: 36px;
            height: 36px;
            background: var(--green-light);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
        }
        .hero-notif-text {
            font-size: 0.75rem;
            line-height: 1.3;
        }
        .hero-notif-text strong {
            display: block;
            color: var(--green);
            font-weight: 600;
        }
        .hero-notif-text span {
            color: var(--slate-light);
        }

        /* ============================================
           SECTION UTILITIES
           ============================================ */
        .section {
            padding: 3.5rem 2rem;
        }
        .section-inner {
            max-width: 1000px;
            margin: 0 auto;
        }
        .section-label {
            font-family: 'DM Sans', sans-serif;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.1em;
            margin-bottom: 0.75rem;
        }
        .section-title {
            font-size: clamp(1.8rem, 3vw, 2.4rem);
            font-weight: 700;
            margin-bottom: 1.25rem;
            letter-spacing: -0.01em;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 600px;
            line-height: 1.7;
        }
        .section-header {
            text-align: center;
            margin-bottom: 2.5rem;
        }
        .section-header .section-subtitle {
            margin: 0 auto;
        }
        .section-header-left {
            text-align: left;
        }
        .section-header-left .section-subtitle {
            margin: 0;
        }

        /* ============================================
           PROBLEM — light slate background, text-only cards
           ============================================ */
        .problem {
            background: var(--warm-white);
            position: relative;
        }
        .problem .section-label { color: var(--teal-dark); }
        .problem .section-title { color: var(--navy); }
        .problem-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 1.5rem;
            margin-top: 3rem;
        }
        .problem-card {
            background: var(--white);
            border-radius: var(--radius);
            padding: 1.75rem 1.75rem 1.75rem 2rem;
            border: 1px solid #E2E8F0;
            border-left: 4px solid var(--coral);
            transition: all 0.3s;
        }
        .problem-grid .problem-card:nth-child(1) { border-left-color: var(--teal); }
        .problem-grid .problem-card:nth-child(2) { border-left-color: #1599ad; }
        .problem-grid .problem-card:nth-child(3) { border-left-color: #2b4f7f; }
        .problem-card:hover {
            border-color: var(--teal);
        }
        .problem-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: var(--navy);
        }
        .problem-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .problem-card-alert {
            margin-top: 1.5rem;
            background: linear-gradient(135deg, var(--navy-light), var(--navy));
            border: none;
            border-left: 5px solid var(--teal);
            border-radius: var(--radius);
            padding: 1.75rem 2rem;
            display: flex;
            align-items: center;
        }
        .problem-card-alert h3 {
            color: var(--white);
            font-size: 1.2rem;
        }
        .problem-card-alert p {
            color: rgba(255,255,255,0.9);
            font-size: 0.95rem;
            margin-top: 0.35rem;
        }
        .problem-card-alert p strong {
            color: var(--white);
        }
        .problem-card-alert:hover {
            transform: none;
            box-shadow: 0 8px 24px rgba(11, 29, 58, 0.28);
        }

        /* ============================================
           HOW IT WORKS — light ice-blue
           ============================================ */
        .how-it-works {
            background: var(--white);
            position: relative;
        }
        .how-it-works .section-label { color: var(--teal-dark); }
        .steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
            margin-top: 3rem;
            position: relative;
        }
        .steps::before {
            content: '';
            position: absolute;
            top: 40px;
            left: 10%;
            right: 10%;
            height: 2px;
            background: linear-gradient(90deg, var(--teal), rgba(10,186,181,0.2));
            z-index: 0;
        }
        .step {
            text-align: center;
            position: relative;
            z-index: 1;
        }
        .step-number {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--teal);
            color: var(--white);
            font-family: 'Fraunces', serif;
            font-size: 1.3rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.25rem;
            box-shadow: 0 4px 15px rgba(10,186,181,0.35);
        }
        .step h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: var(--navy);
        }
        .step p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ============================================
           FEATURES — white, text-only cards with coloured top bar
           ============================================ */
        .features {
            background: var(--white);
        }
        .features .section-label { color: var(--teal-dark); }
        .features-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.5rem;
            margin-top: 3rem;
        }
        .feature-card {
            padding: 2rem;
            border-radius: var(--radius);
            border: 1px solid #E8ECF1;
            transition: border-color 0.2s, box-shadow 0.2s;
            position: relative;
            overflow: hidden;
        }
        .feature-preview-card {
            cursor: pointer;
        }
        .feature-card:hover {
            border-color: var(--teal);
            box-shadow: var(--shadow-sm);
        }
        .feature-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: var(--navy);
        }
        .feature-preview-trigger {
            border: none;
            background: none;
            padding: 0;
            margin: 0;
            font: inherit;
            color: inherit;
            text-align: left;
            cursor: pointer;
        }
        .feature-preview-trigger:hover,
        .feature-preview-trigger:focus-visible {
            color: var(--teal-dark);
            text-decoration: underline;
            outline: none;
        }
        .feature-preview-link {
            margin-top: 0.75rem;
            border: none;
            background: none;
            padding: 0;
            color: var(--teal-dark);
            font-size: 0.82rem;
            font-weight: 600;
            cursor: pointer;
            text-decoration: underline;
            text-underline-offset: 2px;
        }
        .feature-card p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .preview-modal {
            position: fixed;
            inset: 0;
            display: none;
            z-index: 200;
        }
        .preview-modal.open {
            display: block;
        }
        .preview-modal-backdrop {
            position: absolute;
            inset: 0;
            background: rgba(11, 29, 58, 0.6);
        }
        .preview-modal-dialog {
            position: relative;
            width: min(1100px, calc(100% - 2rem));
            max-height: calc(100vh - 2rem);
            margin: 1rem auto;
            background: var(--white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            display: flex;
            flex-direction: column;
        }
        .preview-modal-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.9rem 1rem;
            border-bottom: 1px solid #E8ECF1;
            flex-shrink: 0;
        }
        .preview-modal-header h3 {
            margin: 0;
            font-size: 1rem;
            color: var(--navy);
        }
        .preview-modal-close {
            border: none;
            background: #F1F5F9;
            color: var(--navy);
            width: 32px;
            height: 32px;
            border-radius: 8px;
            cursor: pointer;
            font-size: 0.95rem;
            line-height: 1;
        }
        .preview-modal-close:hover {
            background: #E2E8F0;
        }
        .preview-modal img {
            width: 100%;
            height: auto;
            max-height: calc(100vh - 7rem);
            object-fit: contain;
            background: #F8FAFC;
        }
        body.modal-open {
            overflow: hidden;
        }

        /* ============================================
           COMPARISON — navy dark
           ============================================ */
        .comparison {
            background: var(--navy);
            position: relative;
            overflow: hidden;
        }
        .comparison::before {
            content: none;
        }
        .comparison .section-label { color: var(--teal); }
        .comparison .section-title { color: var(--white); }
        .comparison .section-subtitle { color: rgba(255,255,255,0.6); }
        .comparison-table {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            margin-top: 3rem;
            position: relative;
            z-index: 1;
        }
        .comp-col {
            border-radius: var(--radius-lg);
            padding: 2.5rem;
        }
        .comp-col.manual {
            background: rgba(255,255,255,0.05);
            border: 1px solid rgba(255,255,255,0.08);
        }
        .comp-col.chillsafe {
            background: linear-gradient(135deg, rgba(10,186,181,0.12) 0%, rgba(10,186,181,0.04) 100%);
            border: 1px solid rgba(10,186,181,0.25);
        }
        .comp-col h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
        }
        .comp-col.manual h3 { color: rgba(255,255,255,0.5); }
        .comp-col.chillsafe h3 { color: var(--teal); }
        .comp-item {
            display: flex;
            align-items: flex-start;
            gap: 0.75rem;
            padding: 0.75rem 0;
            border-bottom: 1px solid rgba(255,255,255,0.05);
            font-size: 0.9rem;
            line-height: 1.5;
        }
        .comp-col.manual .comp-item {
            color: rgba(255,255,255,0.45);
        }
        .comp-col.manual .comp-item::before {
            content: '✕';
            color: var(--coral);
            font-weight: 700;
            flex-shrink: 0;
        }
        .comp-col.chillsafe .comp-item {
            color: rgba(255,255,255,0.85);
        }
        .comp-col.chillsafe .comp-item::before {
            content: '✓';
            color: var(--teal);
            font-weight: 700;
            flex-shrink: 0;
        }
        .comp-highlight {
            margin-top: 2rem;
            text-align: center;
            color: rgba(255,255,255,0.5);
            font-size: 0.95rem;
            font-style: italic;
        }
        .comp-highlight strong {
            color: var(--teal);
            font-style: normal;
        }

        /* ============================================
           CALCULATOR — warm beige
           ============================================ */
        .calculator {
            background: var(--warm-white);
        }
        .calculator .section-label { color: var(--teal-dark); }
        .calc-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            margin-top: 3rem;
        }
        .calc-box {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 2.5rem;
            box-shadow: var(--shadow-sm);
        }
        .calc-box h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--navy);
            margin-bottom: 1.5rem;
        }
        .calc-field {
            margin-bottom: 1.5rem;
        }
        .calc-field label {
            display: block;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-secondary);
            margin-bottom: 0.5rem;
        }
        .calc-field input[type="range"] {
            width: 100%;
            height: 6px;
            -webkit-appearance: none;
            appearance: none;
            background: var(--ice-blue-deep);
            border-radius: 3px;
            outline: none;
        }
        .calc-field input[type="range"]::-webkit-slider-thumb {
            -webkit-appearance: none;
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: var(--teal);
            cursor: pointer;
            box-shadow: 0 2px 8px rgba(10,186,181,0.4);
        }
        .calc-field select {
            width: 100%;
            padding: 0.6rem 1rem;
            border: 1px solid #E2E8F0;
            border-radius: 8px;
            font-family: 'DM Sans', sans-serif;
            font-size: 0.9rem;
            color: var(--text-primary);
            background: var(--white);
            cursor: pointer;
        }
        .plan-toggle {
            display: flex;
            gap: 0;
            border: 1px solid #E2E8F0;
            border-radius: 10px;
            overflow: hidden;
            background: #F7FAFC;
        }
        .plan-btn {
            flex: 1;
            padding: 0.65rem 0.5rem;
            border: none;
            background: transparent;
            font-family: 'DM Sans', sans-serif;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--text-secondary);
            cursor: pointer;
            transition: all 0.2s;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0.15rem;
            position: relative;
        }
        .plan-btn span {
            font-size: 0.72rem;
            font-weight: 500;
            opacity: 0.7;
        }
        .plan-btn:not(:last-child)::after {
            content: '';
            position: absolute;
            right: 0;
            top: 20%;
            height: 60%;
            width: 1px;
            background: #E2E8F0;
        }
        .plan-btn:hover {
            background: rgba(10,186,181,0.06);
        }
        .plan-btn.active {
            background: var(--teal);
            color: var(--white);
            box-shadow: 0 2px 8px rgba(10,186,181,0.3);
        }
        .plan-btn.active span {
            opacity: 0.9;
        }
        .plan-btn.active::after {
            display: none;
        }
        .calc-value {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 0.25rem;
        }
        .calc-value span {
            font-family: 'Fraunces', serif;
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--navy);
        }
        .calc-result {
            background: var(--ice-blue);
            border-radius: var(--radius);
            padding: 1.25rem;
            margin-bottom: 1rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .calc-result-label {
            font-size: 0.85rem;
            color: var(--text-secondary);
        }
        .calc-result-value {
            font-family: 'Fraunces', serif;
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--navy);
        }
        .calc-result.highlight {
            background: linear-gradient(135deg, var(--teal), var(--teal-dark));
        }
        .calc-result.highlight .calc-result-label,
        .calc-result.highlight .calc-result-value {
            color: var(--white);
        }
        .calc-result-note {
            font-size: 0.75rem;
            color: var(--slate-light);
        }

        /* ============================================
           PRICING — white with colourful cards
           ============================================ */
        .pricing {
            background: var(--warm-white);
        }
        .pricing .section-label { color: var(--teal-dark); }
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(2, minmax(280px, 380px));
            gap: 1.5rem;
            margin-top: 3rem;
            align-items: stretch;
            max-width: 900px;
            margin-left: auto;
            margin-right: auto;
            justify-content: center;
        }
        .price-card {
            border-radius: var(--radius-lg);
            padding: 2.5rem 2rem;
            border: 1px solid #E8ECF1;
            background: var(--white);
            transition: all 0.3s;
            position: relative;
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .price-card:hover {
            box-shadow: var(--shadow-lg);
        }
        .price-card.featured {
            border-color: var(--teal);
            box-shadow: 0 8px 30px rgba(10,186,181,0.15);
        }
        .price-card.featured::before {
            content: 'Most popular';
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--teal);
            color: var(--white);
            padding: 0.3rem 1rem;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 700;
        }
        .price-name {
            font-family: 'Fraunces', serif;
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--navy);
            margin-bottom: 0.5rem;
        }
        .price-amount {
            font-family: 'Fraunces', serif;
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--navy);
            line-height: 1;
        }
        .price-amount span {
            font-size: 1rem;
            font-weight: 500;
            color: var(--slate-light);
        }
        .price-annual {
            font-size: 0.8rem;
            color: var(--teal-dark);
            font-weight: 600;
            margin-top: 0.25rem;
            margin-bottom: 0.75rem;
        }
        .price-desc {
            font-size: 0.88rem;
            color: var(--text-secondary);
            margin-bottom: 1.5rem;
            padding-bottom: 1.5rem;
            border-bottom: 1px solid #E8ECF1;
        }
        .price-features {
            list-style: none;
            margin-bottom: 0;
        }
        .price-features li {
            font-size: 0.85rem;
            color: var(--text-secondary);
            padding: 0.35rem 0;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .price-features li::before {
            content: '✓';
            color: var(--teal);
            font-weight: 700;
            font-size: 0.9rem;
        }
        .price-features li.disabled {
            color: #CBD5E0;
        }
        .price-features li.disabled::before {
            content: '';
            color: transparent;
        }
        .price-features li.highlight {
            color: var(--navy);
            font-weight: 600;
        }
        .price-features li.highlight::before {
            color: var(--teal);
        }
        .price-features li.placeholder {
            color: transparent;
            user-select: none;
            pointer-events: none;
        }
        .price-features li.placeholder::before {
            content: '';
            color: transparent;
        }
        .price-btn {
            display: block;
            text-align: center;
            padding: 0.8rem;
            border-radius: 10px;
            text-decoration: none;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all 0.25s;
            margin-top: auto;
        }
        .price-card .price-btn {
            background: var(--ice-blue);
            color: var(--teal-dark);
        }
        .price-card .price-btn:hover {
            background: var(--teal);
            color: var(--white);
        }
        .price-card.featured .price-btn {
            background: var(--teal);
            color: var(--white);
        }
        .price-card.featured .price-btn:hover {
            background: var(--teal-dark);
            box-shadow: var(--shadow-teal);
        }

        /* Hardware add-ons */
        .hardware-section {
            margin-top: 3rem;
        }
        .hardware-section h3 {
            font-family: 'Fraunces', serif;
            font-size: 1.3rem;
            font-weight: 700;
            text-align: center;
            margin-bottom: 0.5rem;
            color: var(--navy);
        }
        .hardware-section > p {
            text-align: center;
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-bottom: 2rem;
        }
        .hardware-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1rem;
        }
        .hw-card {
            background: var(--white);
            border: 1px solid #E8ECF1;
            border-radius: var(--radius);
            padding: 1.5rem;
            text-align: center;
            transition: all 0.3s;
        }
        .hw-card:hover {
            box-shadow: var(--shadow-md);
        }
        .hw-card h4 {
            font-family: 'Fraunces', serif;
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--navy);
            margin-bottom: 0.4rem;
        }
        .hw-price {
            font-family: 'Fraunces', serif;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--teal-dark);
            margin-bottom: 0.5rem;
        }
        .hw-price small {
            font-size: 0.7rem;
            font-weight: 500;
            color: var(--slate-light);
        }
        .hw-card p {
            font-size: 0.8rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        /* Example setup callout */
        .example-setup {
            background: var(--navy);
            border-radius: var(--radius-lg);
            padding: 2.5rem;
            margin-top: 2rem;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            align-items: center;
        }
        .example-setup h4 {
            color: var(--white);
            font-size: 1.1rem;
            margin-bottom: 1rem;
        }
        .example-setup ul {
            list-style: none;
            margin-bottom: 0;
        }
        .example-setup ul li {
            color: rgba(255,255,255,0.7);
            font-size: 0.85rem;
            padding: 0.3rem 0;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .example-setup ul li::before {
            content: '•';
            font-size: 1rem;
            color: var(--teal);
        }
        .example-costs {
            text-align: center;
        }
        .example-costs .cost-line {
            color: rgba(255,255,255,0.5);
            font-size: 0.85rem;
            margin-bottom: 0.5rem;
        }
        .example-costs .cost-line strong {
            color: var(--white);
            font-family: 'Fraunces', serif;
            font-size: 1.1rem;
        }
        .example-costs .cost-daily {
            background: rgba(10,186,181,0.15);
            border: 1px solid rgba(10,186,181,0.3);
            display: inline-block;
            padding: 0.5rem 1.25rem;
            border-radius: 50px;
            color: var(--teal);
            font-weight: 700;
            font-size: 0.95rem;
            margin-top: 0.75rem;
        }

        .pricing-note {
            text-align: center;
            font-size: 0.8rem;
            color: var(--slate-light);
            margin-top: 2rem;
            line-height: 1.7;
        }

        /* ============================================
           FAQ — light ice-blue
           ============================================ */
        .faq {
            background: var(--white);
        }
        .faq .section-label { color: var(--teal-dark); }
        .faq-list {
            max-width: 750px;
            margin: 3rem auto 0;
        }
        .faq-item {
            background: var(--white);
            border-radius: var(--radius);
            margin-bottom: 0.75rem;
            overflow: hidden;
            border: 1px solid transparent;
            transition: all 0.3s;
        }
        .faq-item.active {
            border-color: var(--teal);
            box-shadow: 0 2px 12px rgba(10,186,181,0.1);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1.25rem 1.5rem;
            cursor: pointer;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--navy);
            border: none;
            background: none;
            width: 100%;
            text-align: left;
            font-family: 'DM Sans', sans-serif;
        }
        .faq-question:hover { color: var(--teal-dark); }
        .faq-arrow {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--ice-blue);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s;
            flex-shrink: 0;
            font-size: 0;
            color: var(--teal-dark);
        }
        .faq-arrow::after {
            content: '+';
            font-size: 1rem;
            font-weight: 600;
            font-family: 'DM Sans', sans-serif;
            line-height: 1;
        }
        .faq-item.active .faq-arrow {
            background: var(--teal);
            color: var(--white);
            transform: none;
        }
        .faq-item.active .faq-arrow::after {
            content: '\2212';
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
        }
        .faq-answer-inner {
            padding: 0 1.5rem 1.25rem;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ============================================
           CTA — teal gradient
           ============================================ */
        .cta {
            background: var(--navy);
            padding: 3.5rem 2rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta::before {
            content: none;
        }
        .cta-inner {
            max-width: 650px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
        }
        .cta h2 {
            color: var(--white);
            font-size: clamp(1.8rem, 3vw, 2.4rem);
            margin-bottom: 1rem;
        }
        .cta p {
            color: rgba(255,255,255,0.85);
            font-size: 1.05rem;
            margin-bottom: 2rem;
            line-height: 1.7;
        }
        .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: var(--teal);
            color: var(--white);
            padding: 0.9rem 2rem;
            border-radius: 10px;
            text-decoration: none;
            font-weight: 700;
            font-size: 1.05rem;
            transition: all 0.25s;
        }
        .cta-btn:hover {
            background: var(--teal-dark);
        }
        .cta-trust {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 0;
            margin-top: 2rem;
            flex-wrap: wrap;
        }
        .cta-trust-item {
            position: relative;
            padding: 0 1.35rem;
            color: rgba(255,255,255,0.7);
            font-size: 0.86rem;
            font-weight: 600;
            letter-spacing: 0.01em;
            line-height: 1.2;
        }
        .cta-trust-item + .cta-trust-item::before {
            content: '•';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translate(-50%, -54%);
            color: rgba(255,255,255,0.45);
            font-size: 0.9rem;
            font-weight: 500;
        }

        /* ============================================
           FOOTER — dark navy
           ============================================ */
        .footer {
            background: var(--navy);
            padding: 3rem 2rem 2rem;
        }
        .footer-inner {
            max-width: 1100px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 2rem;
        }
        .footer-brand p {
            color: rgba(255,255,255,0.45);
            font-size: 0.85rem;
            line-height: 1.6;
            margin-top: 0.75rem;
            max-width: 280px;
        }
        .footer-brand-logo {
            height: 36px;
            width: auto;
            display: block;
            margin-bottom: 0.75rem;
        }
        .footer h4 {
            font-family: 'DM Sans', sans-serif;
            color: rgba(255,255,255,0.7);
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            margin-bottom: 1rem;
        }
        .footer a {
            display: block;
            color: rgba(255,255,255,0.45);
            text-decoration: none;
            font-size: 0.88rem;
            padding: 0.25rem 0;
            transition: color 0.2s;
        }
        .footer a:hover { color: var(--teal); }
        .footer-bottom {
            max-width: 1100px;
            margin: 2rem auto 0;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255,255,255,0.06);
            text-align: center;
            color: rgba(255,255,255,0.3);
            font-size: 0.8rem;
        }

        /* ============================================
           HOW IT WORKS — flow layout (replaces numbered steps)
           ============================================ */
        .how-flow {
            display: flex;
            align-items: flex-start;
            gap: 0;
            margin-top: 2.5rem;
        }
        .how-flow-item {
            flex: 1;
            padding: 0 1.5rem;
        }
        .how-flow-item h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: var(--navy);
        }
        .how-flow-item p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .how-flow-sep {
            width: 1px;
            min-height: 80px;
            background: #DDE3EA;
            flex-shrink: 0;
            align-self: stretch;
            margin-top: 0.25rem;
        }

        /* ============================================
           PRICING — comparison callout
           ============================================ */
        .pricing-comparison-callout {
            background: var(--warm-white);
            border: 1px solid #E8ECF1;
            border-left: 3px solid var(--teal);
            border-radius: var(--radius);
            padding: 1.5rem 2rem;
            margin-bottom: 2.5rem;
        }
        .pricing-comparison-callout h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--navy);
            margin-bottom: 0.4rem;
        }
        .pricing-comparison-callout p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }
        .pricing-comparison-callout p strong {
            color: var(--teal-dark);
        }

        /* ============================================
           RESPONSIVE
           ============================================ */
        @media (max-width: 1024px) {
            .hero-inner { grid-template-columns: 1fr; text-align: center; }
            .hero-sub { margin: 0 auto 2rem; }
            .hero-buttons { justify-content: center; }
            .hero-trust { justify-content: center; }
            .hero-visual {
                width: 420px;
                height: 340px;
                margin-top: 1.75rem;
            }
            .temp-card {
                width: 300px;
            }
            .temp-card-mini {
                left: -68px;
            }
            .hero-notif {
                right: -88px;
                bottom: 0;
            }
            .steps { grid-template-columns: repeat(2, 1fr); }
            .steps::before { display: none; }
            .how-flow { flex-direction: column; gap: 1.5rem; }
            .how-flow-sep { width: 100%; min-height: 0; height: 1px; }
            .how-flow-item { padding: 0; }
            .features-grid { grid-template-columns: 1fr; }
            .comparison-table { grid-template-columns: 1fr; }
            .calc-container { grid-template-columns: 1fr; }
            .pricing-grid {
                grid-template-columns: repeat(2, minmax(260px, 340px));
                justify-content: center;
            }
            .hardware-grid { grid-template-columns: repeat(2, 1fr); }
            .example-setup { grid-template-columns: 1fr; text-align: center; }
            .footer-inner { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 640px) {
            .nav-links { display: none; }
            .nav-hamburger { display: block; }
            .nav-links.open {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: var(--white);
                padding: 1rem 2rem 1.5rem;
                box-shadow: var(--shadow-lg);
                gap: 1rem;
            }
            .section { padding: 2.5rem 1.25rem; }
            .hero { padding: 6rem 1.25rem 4rem; }
            .hero-visual {
                display: none;
            }
            .steps { grid-template-columns: 1fr; }
            .features-grid { grid-template-columns: 1fr; }
            .problem-grid { grid-template-columns: 1fr; }
            .pricing-grid { grid-template-columns: 1fr; max-width: 400px; margin-left: auto; margin-right: auto; }
            .hardware-grid { grid-template-columns: 1fr 1fr; }
            .footer-inner { grid-template-columns: 1fr; }
        }

        /* Fade-in animation */
        .fade-in {
            opacity: 0;
            transform: translateY(10px);
            transition: opacity 0.5s ease, transform 0.5s ease;
        }
        .fade-in.visible {
            opacity: 1;
            transform: translateY(0);
        }
