/* ── Reset & Variables ────────────────────────────── */

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

:root {
    --colour-primary: #1a5c6b;
    --colour-primary-light: #e8f4f7;
    --colour-primary-dark: #0e3a45;
    --colour-primary-hover: #154d5a;
    --colour-warm: #f5f0eb;
    --colour-warm-dark: #ece4db;
    --colour-accent: #2a7d8e;
    --colour-text: #2c2c2c;
    --colour-text-light: #5a5a5a;
    --colour-text-lighter: #7a7a7a;
    --colour-white: #ffffff;
    --colour-border: #e2e2e2;
    --colour-border-light: #f0f0f0;
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --max-width: 1080px;
    --content-width: 720px;
    --radius: 10px;
    --radius-lg: 16px;
    --transition: 200ms ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    color: var(--colour-text);
    line-height: 1.7;
    font-size: 17px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    background: var(--colour-white);
}

/* ── Layout ──────────────────────────────────────── */

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.container--narrow {
    max-width: var(--content-width);
}

/* ── Navigation ──────────────────────────────────── */

.nav {
    padding: 0;
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 100;
    border-bottom: 1px solid var(--colour-border-light);
}

.nav__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 64px;
}

.nav__logo {
    font-size: 22px;
    font-weight: 700;
    color: var(--colour-primary);
    text-decoration: none;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav__logo svg {
    width: 28px;
    height: 28px;
    flex-shrink: 0;
}

.nav__cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 22px;
    background: var(--colour-primary);
    color: var(--colour-white);
    text-decoration: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 500;
    transition: background var(--transition), transform var(--transition);
    cursor: pointer;
}

.nav__cta:hover {
    background: var(--colour-primary-hover);
    transform: translateY(-1px);
}

/* ── Hero ────────────────────────────────────────── */

.hero {
    padding: 80px 0 72px;
    background: linear-gradient(180deg, var(--colour-white) 0%, var(--colour-warm) 100%);
}

.hero__inner {
    max-width: 640px;
}

.hero__inner--centred {
    max-width: 680px;
    margin: 0 auto;
    text-align: center;
}

.hero__inner--centred .hero__subtitle {
    margin-left: auto;
    margin-right: auto;
}

.hero__inner--centred .hero__actions {
    justify-content: center;
}

.hero__inner--centred .hero__note {
    text-align: center;
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background: var(--colour-primary-light);
    border: 1px solid rgba(26, 92, 107, 0.12);
    border-radius: 100px;
    font-size: 13px;
    font-weight: 600;
    color: var(--colour-primary);
    margin-bottom: 24px;
    letter-spacing: 0.01em;
}

.hero__badge svg {
    width: 14px;
    height: 14px;
}

.hero h1 {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.12;
    letter-spacing: -1.5px;
    color: var(--colour-primary-dark);
    margin-bottom: 20px;
}

.hero__subtitle {
    font-size: 19px;
    color: var(--colour-text-light);
    margin-bottom: 36px;
    max-width: 540px;
    line-height: 1.65;
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 16px;
}

.hero__note {
    margin-top: 14px;
    font-size: 14px;
    color: var(--colour-text-lighter);
}

/* ── Buttons ─────────────────────────────────────── */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 16px 32px;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
    cursor: pointer;
    border: none;
    line-height: 1;
}

.btn--primary {
    background: var(--colour-primary);
    color: var(--colour-white);
    box-shadow: 0 1px 3px rgba(14, 58, 69, 0.2), 0 4px 12px rgba(14, 58, 69, 0.1);
}

.btn--primary:hover {
    background: var(--colour-primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 2px 6px rgba(14, 58, 69, 0.25), 0 8px 24px rgba(14, 58, 69, 0.15);
}

.btn--secondary {
    background: transparent;
    color: var(--colour-primary);
    padding: 16px 24px;
}

.btn--secondary:hover {
    background: var(--colour-primary-light);
}

.btn--secondary svg {
    width: 16px;
    height: 16px;
    transition: transform var(--transition);
}

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

.btn--light {
    background: var(--colour-white);
    color: var(--colour-primary-dark);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
}

.btn--light:hover {
    background: var(--colour-primary-light);
    color: var(--colour-primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.16);
}

/* ── Section base ────────────────────────────────── */

.section {
    padding: 80px 0;
}

.section--warm {
    background: var(--colour-warm);
}

.section--dark {
    background: var(--colour-primary-dark);
    color: var(--colour-white);
}

.section__label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--colour-accent);
    margin-bottom: 12px;
}

.section--dark .section__label {
    color: rgba(255, 255, 255, 0.5);
}

.section__title {
    font-size: 36px;
    font-weight: 700;
    letter-spacing: -0.8px;
    line-height: 1.2;
    color: var(--colour-primary-dark);
    margin-bottom: 16px;
}

.section--dark .section__title {
    color: var(--colour-white);
}

.section__desc {
    font-size: 18px;
    color: var(--colour-text-light);
    max-width: 560px;
    line-height: 1.65;
}

.section--dark .section__desc {
    color: rgba(255, 255, 255, 0.7);
}

/* ── Problems ────────────────────────────────────── */

.problems {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 40px;
}

.problem-card {
    padding: 28px;
    background: var(--colour-white);
    border: 1px solid var(--colour-border);
    border-radius: var(--radius);
    transition: border-color var(--transition), box-shadow var(--transition);
}

.problem-card:hover {
    border-color: rgba(26, 92, 107, 0.25);
    box-shadow: 0 2px 12px rgba(14, 58, 69, 0.06);
}

.problem-card__icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--colour-primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.problem-card__icon svg {
    width: 20px;
    height: 20px;
    color: var(--colour-primary);
}

.problem-card h3 {
    font-size: 17px;
    font-weight: 600;
    color: var(--colour-primary-dark);
    margin-bottom: 6px;
}

.problem-card p {
    font-size: 15px;
    color: var(--colour-text-light);
    line-height: 1.6;
    margin: 0;
}

/* ── Pillars ─────────────────────────────────────── */

.pillars {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 40px;
}

.pillar {
    padding: 32px 28px;
    background: var(--colour-white);
    border: 1px solid var(--colour-border);
    border-radius: var(--radius-lg);
    position: relative;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.pillar:hover {
    border-color: rgba(26, 92, 107, 0.2);
    box-shadow: 0 4px 20px rgba(14, 58, 69, 0.06);
}

.pillar__number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: var(--colour-primary);
    color: var(--colour-white);
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 20px;
}

.pillar h3 {
    font-size: 19px;
    font-weight: 600;
    color: var(--colour-primary-dark);
    margin-bottom: 10px;
    letter-spacing: -0.2px;
}

.pillar p {
    font-size: 15px;
    color: var(--colour-text-light);
    line-height: 1.65;
    margin: 0;
}

/* ── Steps ───────────────────────────────────────── */

.steps {
    margin-top: 40px;
    position: relative;
}

.steps__track {
    position: absolute;
    left: 23px;
    top: 24px;
    bottom: 24px;
    width: 2px;
    background: var(--colour-border);
}

.step {
    display: flex;
    gap: 24px;
    padding: 20px 0;
    position: relative;
}

.step__marker {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--colour-primary-light);
    border: 2px solid var(--colour-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 16px;
    color: var(--colour-primary);
    z-index: 1;
}

.step__body {
    padding-top: 4px;
}

.step__body h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--colour-primary-dark);
    margin-bottom: 6px;
    letter-spacing: -0.2px;
}

.step__body p {
    font-size: 16px;
    color: var(--colour-text-light);
    line-height: 1.65;
    margin: 0;
    max-width: 520px;
}

/* ── Pricing ─────────────────────────────────────── */

.pricing-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
    margin-top: 40px;
}

.pricing-card {
    background: var(--colour-white);
    border: 2px solid var(--colour-primary);
    border-radius: var(--radius-lg);
    padding: 40px;
    position: relative;
    overflow: hidden;
}

.pricing-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--colour-primary), var(--colour-accent));
}

.pricing__price {
    font-size: 52px;
    font-weight: 700;
    color: var(--colour-primary);
    line-height: 1;
    margin-bottom: 4px;
    letter-spacing: -2px;
}

.pricing__period {
    font-size: 16px;
    font-weight: 500;
    color: var(--colour-text-light);
    margin-bottom: 28px;
}

.pricing__list {
    list-style: none;
    padding: 0;
    margin: 0 0 28px;
}

.pricing__list li {
    padding: 10px 0;
    padding-left: 32px;
    position: relative;
    font-size: 15px;
    color: var(--colour-text);
    line-height: 1.55;
    border-bottom: 1px solid var(--colour-border-light);
}

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

.pricing__list li::before {
    content: '';
    position: absolute;
    left: 2px;
    top: 15px;
    width: 18px;
    height: 18px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke-width='2.5' stroke='%231a5c6b'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M4.5 12.75l6 6 9-13.5'/%3E%3C/svg%3E") no-repeat center;
    background-size: contain;
}

.pricing__note {
    font-size: 14px;
    color: var(--colour-text-lighter);
    padding-top: 20px;
    border-top: 1px solid var(--colour-border);
    line-height: 1.6;
}

.pricing-context {
    padding-top: 8px;
}

.pricing-context h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--colour-primary-dark);
    margin-bottom: 12px;
}

.pricing-context p {
    font-size: 16px;
    color: var(--colour-text-light);
    line-height: 1.65;
    margin-bottom: 20px;
}

.pricing-context__extra {
    padding: 20px 24px;
    background: var(--colour-primary-light);
    border-radius: var(--radius);
    font-size: 15px;
    color: var(--colour-text);
    line-height: 1.6;
}

.pricing-context__extra strong {
    color: var(--colour-primary-dark);
}

/* ── Testimonial ─────────────────────────────────── */

.testimonials {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-top: 40px;
}

.testimonial-card {
    padding: 36px;
    background: var(--colour-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--colour-border);
    border-left: 4px solid var(--colour-accent);
}

.testimonial-card blockquote {
    font-size: 17px;
    color: var(--colour-text);
    line-height: 1.7;
    margin-bottom: 20px;
}

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

.testimonial-card__avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--colour-primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.testimonial-card__avatar svg {
    width: 22px;
    height: 22px;
    color: var(--colour-primary);
}

.testimonial-card cite {
    font-style: normal;
    font-size: 15px;
    line-height: 1.4;
}

.testimonial-card cite strong {
    display: block;
    font-weight: 600;
    color: var(--colour-primary-dark);
}

.testimonial-card cite span {
    color: var(--colour-text-light);
}

/* ── Not included ────────────────────────────────── */

.not-included {
    margin-top: 32px;
    padding: 28px 32px;
    background: var(--colour-primary-light);
    border-radius: var(--radius);
    border-left: 4px solid var(--colour-accent);
}

.not-included p {
    font-size: 16px;
    color: var(--colour-text-light);
    margin: 0;
    line-height: 1.65;
}

/* ── About ───────────────────────────────────────── */

.about-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
    margin-top: 32px;
}

.about-photo {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 24px;
    border: 3px solid var(--colour-primary-light);
}

.about-text p {
    font-size: 16px;
    color: var(--colour-text-light);
    line-height: 1.7;
    margin-bottom: 16px;
}

.about-text p:last-child {
    margin-bottom: 0;
}

.about-credentials {
    padding: 28px;
    background: var(--colour-white);
    border: 1px solid var(--colour-border);
    border-radius: var(--radius);
}

.about-credentials h3 {
    font-size: 15px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--colour-text-lighter);
    margin-bottom: 16px;
}

.credential {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--colour-border-light);
}

.credential:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.credential svg {
    width: 18px;
    height: 18px;
    color: var(--colour-accent);
    flex-shrink: 0;
    margin-top: 2px;
}

.credential span {
    font-size: 15px;
    color: var(--colour-text);
    line-height: 1.5;
}

/* ── Final CTA ───────────────────────────────────── */

.cta-section {
    padding: 96px 0;
    background: var(--colour-primary-dark);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -25%;
    width: 150%;
    height: 200%;
    background: radial-gradient(ellipse at center, rgba(42, 125, 142, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.cta-section__inner {
    position: relative;
    z-index: 1;
}

.cta-section h2 {
    font-size: 40px;
    font-weight: 700;
    color: var(--colour-white);
    letter-spacing: -1px;
    margin-bottom: 16px;
}

.cta-section p {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 36px;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.65;
}

.cta-section__note {
    margin-top: 14px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.45);
}

/* ── Footer ──────────────────────────────────────── */

.footer {
    padding: 32px 0;
    border-top: 1px solid var(--colour-border);
    text-align: center;
    font-size: 14px;
    color: var(--colour-text-lighter);
}

.footer a {
    color: var(--colour-accent);
    text-decoration: none;
    transition: color var(--transition);
}

.footer a:hover {
    color: var(--colour-primary);
}

/* ── Focus states ────────────────────────────────── */

a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--colour-accent);
    outline-offset: 2px;
    border-radius: 4px;
}

/* ── Reduced motion ──────────────────────────────── */

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    *,
    *::before,
    *::after {
        transition-duration: 0.01ms !important;
    }
}

/* ── Tablet (768px) ──────────────────────────────── */

@media (max-width: 768px) {
    .hero h1 {
        font-size: 38px;
        letter-spacing: -1px;
    }

    .hero__subtitle {
        font-size: 18px;
    }

    .section__title {
        font-size: 30px;
    }

    .problems {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .pillars {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .pricing-layout {
        grid-template-columns: 1fr;
        gap: 24px;
    }

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

    .about-layout {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .cta-section h2 {
        font-size: 32px;
    }
}

/* ── Mobile (480px) ──────────────────────────────── */

@media (max-width: 480px) {
    :root {
        --radius-lg: 12px;
    }

    body {
        font-size: 16px;
    }

    .nav__inner {
        height: 56px;
    }

    .nav__logo {
        font-size: 20px;
    }

    .nav__cta {
        padding: 8px 16px;
        font-size: 14px;
    }

    .hero {
        padding: 48px 0;
    }

    .hero h1 {
        font-size: 30px;
        letter-spacing: -0.5px;
    }

    .hero__subtitle {
        font-size: 17px;
    }

    .hero__actions {
        flex-direction: column;
        align-items: stretch;
    }

    .btn {
        justify-content: center;
    }

    .section {
        padding: 56px 0;
    }

    .section__title {
        font-size: 26px;
    }

    .section__desc {
        font-size: 16px;
    }

    .pillar,
    .problem-card {
        padding: 24px;
    }

    .pricing-card {
        padding: 28px;
    }

    .pricing__price {
        font-size: 44px;
    }

    .testimonial-card {
        padding: 28px;
    }

    .testimonial-card blockquote {
        font-size: 16px;
    }

    .testimonial-card__quote-mark {
        font-size: 56px;
        top: 16px;
        left: 24px;
    }

    .step {
        gap: 16px;
    }

    .step__marker {
        width: 40px;
        height: 40px;
        font-size: 14px;
    }

    .steps__track {
        left: 19px;
    }

    .step__body h3 {
        font-size: 18px;
    }

    .step__body p {
        font-size: 15px;
    }

    .cta-section {
        padding: 64px 0;
    }

    .cta-section h2 {
        font-size: 28px;
    }

    .cta-section p {
        font-size: 16px;
    }
}