/* ── Design Tokens ── */
:root {
    --teal-300: #5eead4;
    --teal-400: #2dd4bf;
    --teal-500: #14b8a6;
    --teal-600: #0d9488;
    --teal-700: #0f766e;
    --teal-800: #115e59;
    --zinc-100: #f4f4f5;
    --zinc-200: #e4e4e7;
    --zinc-300: #d4d4d8;
    --zinc-400: #a1a1aa;
    --zinc-700: #3f3f46;
    --zinc-800: #27272a;
    --zinc-900: #18181b;
    --white: #ffffff;

    --font-sans: "Geist", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
        Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
    --radius: 0.5rem;
}

/* ── Reset / Base ── */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    color: var(--zinc-900);
    background: var(--zinc-100);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

img {
    display: block;
    max-width: 100%;
}

/* ── Layout ── */
.container {
    max-width: 72rem;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ── Header ── */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    background: var(--zinc-900);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.header-inner {
    max-width: 72rem;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 4rem;
}

.header-brand {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.header-logo {
    height: 60px;
    overflow: hidden;
    filter: hue-rotate(-45deg);
}

.header-logo img {
    width: 90px;
}

.header-wordmark {
    font-weight: 700;
    font-size: 1.875rem;
    color: var(--zinc-100);
}

.header-wordmark .dot {
    color: var(--zinc-400);
}

.header-tagline {
    font-weight: 400;
    font-size: 0.875rem;
    color: silver;
    display: none;
}

@media (min-width: 768px) {
    .header-tagline {
        position: relative;
        top: -10px;
        left: 15px;
        display: inline;
    }
}

.header-nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.header-nav a {
    color: var(--teal-500);
    font-weight: 500;
    transition: color 0.2s;
}

.header-nav a:hover {
    color: var(--teal-300);
}

/* ── Footer ── */
.site-footer {
    background: var(--zinc-800);
    color: var(--white);
}

.footer-inner {
    max-width: 72rem;
    margin: 0 auto;
    padding: 3rem 1.5rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr;
    }
}

.footer-grid h3 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.footer-grid p,
.footer-grid a {
    color: var(--zinc-300);
    font-size: 0.875rem;
    line-height: 1.8;
}

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

.footer-grid ul {
    list-style: none;
}

.footer-grid li + li {
    margin-top: 0.25rem;
}

.footer-bottom {
    border-top: 1px solid var(--zinc-700);
    margin-top: 2rem;
    padding-top: 2rem;
    text-align: center;
    color: var(--zinc-400);
    font-size: 0.875rem;
}

/* ── Hero ── */
.hero {
    padding-top: 7rem;
    padding-bottom: 4rem;
    text-align: center;
}

.hero-eyebrow {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--teal-600);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.75rem;
}

.hero h1 {
    font-size: clamp(2rem, 5vw, 3.25rem);
    font-weight: 800;
    color: var(--zinc-900);
    line-height: 1.15;
    margin-bottom: 1rem;
}

.hero h1 .accent {
    color: var(--teal-700);
}

.hero .subtitle {
    font-size: 1.25rem;
    color: var(--zinc-700);
    max-width: 38rem;
    margin: 0 auto 2.5rem;
}

/* ── CTA Button ── */
.btn-primary {
    display: inline-block;
    background: var(--teal-600);
    color: var(--white);
    font-weight: 700;
    padding: 0.75rem 2rem;
    border-radius: var(--radius);
    border: none;
    font-size: 1rem;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-primary:hover {
    background: var(--teal-700);
}

/* ── How I Work ── */
.how-i-work {
    padding: 4rem 0;
    background: var(--zinc-200);
}

.how-i-work .container {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 2rem;
}

.how-i-work h2 {
    font-size: 1.25rem;
    font-weight: 800;
    color: #444;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    white-space: nowrap;
    writing-mode: vertical-lr;
    transform: rotate(180deg);
    margin: auto 0;
}

.how-i-work-content {
    max-width: 42rem;
    font-size: 1.0625rem;
    color: var(--zinc-700);
}

.how-i-work-content p + p {
    margin-top: 1rem;
}

/* On mobile, stack normally */
@media (max-width: 767px) {
    .how-i-work .container {
        flex-direction: column;
        gap: 1rem;
    }

    .how-i-work h2 {
        writing-mode: horizontal-tb;
        transform: none;
        text-align: center;
        align-self: auto;
    }

    .how-i-work-content {
        text-align: center;
    }
}

/* ── Contact ── */
.contact {
    padding: 4rem 0;
    background: var(--zinc-900);
    color: var(--white);
    text-align: center;
}

.contact h2 {
    font-size: clamp(1.5rem, 3.5vw, 2.25rem);
    font-weight: 800;
    margin-bottom: 1rem;
}

.contact p {
    color: var(--zinc-300);
    margin-bottom: 2rem;
    font-size: 1.0625rem;
}

.contact-email {
    display: inline-block;
    color: var(--teal-400);
    font-size: 1.25rem;
    font-weight: 600;
    border-bottom: 2px solid var(--teal-600);
    padding-bottom: 2px;
    transition: color 0.2s;
}

.contact-email:hover {
    color: var(--teal-300);
}

/* ── Legal Pages ── */
.legal {
    padding-top: 7rem;
    padding-bottom: 4rem;
    max-width: 48rem;
}

.legal h1 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    color: var(--zinc-900);
    margin-bottom: 0.5rem;
}

.legal-updated {
    font-size: 0.875rem;
    color: var(--zinc-400);
    margin-bottom: 2.5rem;
}

.legal h2 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--zinc-900);
    margin-top: 2rem;
    margin-bottom: 0.75rem;
}

.legal p {
    color: var(--zinc-700);
    font-size: 1rem;
    margin-bottom: 0.75rem;
}

.legal ul {
    color: var(--zinc-700);
    font-size: 1rem;
    margin-bottom: 0.75rem;
    padding-left: 1.5rem;
}

.legal li + li {
    margin-top: 0.25rem;
}

.legal a {
    color: var(--teal-600);
    text-decoration: underline;
}

.legal a:hover {
    color: var(--teal-700);
}