/* ============================================
   Devotion.Run — Startup Landing Page
   Clean, serious, product-first.
   ============================================ */

:root {
    /* Colors from the app */
    --cream: #F5F0E8;
    --cream-dark: #EDE6DA;
    --black: #0A0A0A;
    --black-soft: #141414;
    --gold: #C9A227;
    --gold-dark: #A6831D;
    --gray: #6B6B6B;
    --gray-light: #9A9A9A;
    --border: rgba(10, 10, 10, 0.08);
    --border-light: rgba(255, 255, 255, 0.12);

    /* Typography */
    --font-serif: 'Playfair Display', Georgia, serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Spacing */
    --section-padding: clamp(80px, 10vw, 140px);
    --container-max: 1200px;

    /* Transitions */
    --ease: cubic-bezier(0.25, 0.1, 0.25, 1);
    --transition: 250ms var(--ease);
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    background-color: var(--cream);
    color: var(--black);
    line-height: 1.6;
    font-size: 16px;
}

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

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

button {
    border: none;
    background: none;
    font-family: inherit;
    cursor: pointer;
}

/* --- Container --- */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 clamp(24px, 5vw, 80px);
}

.container.narrow {
    max-width: 900px;
}

/* --- Typography --- */
h1, h2, h3, h4 {
    font-family: var(--font-serif);
    font-weight: 500;
    line-height: 1.15;
    letter-spacing: -0.02em;
}

h1 {
    font-size: clamp(2.2rem, 5vw, 4rem);
}

h2 {
    font-size: clamp(1.7rem, 3.2vw, 2.6rem);
}

h3 {
    font-size: 1.35rem;
}

p {
    color: var(--gray);
}

.eyebrow {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--gold-dark);
    margin-bottom: 20px;
}

.logo-dot {
    color: var(--gold);
}

/* --- Buttons --- */
.btn-primary,
.btn-secondary,
.btn-text {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-sans);
    font-weight: 500;
    font-size: 0.95rem;
    transition: all var(--transition);
}

.btn-primary {
    background-color: var(--black);
    color: var(--cream);
    padding: 14px 28px;
    border-radius: 100px;
}

.btn-primary:hover {
    background-color: var(--black-soft);
    transform: translateY(-1px);
}

.btn-primary svg {
    width: 16px;
    height: 16px;
}

.btn-secondary {
    border: 1px solid var(--border);
    padding: 12px 24px;
    border-radius: 100px;
    color: var(--black);
}

.btn-secondary:hover {
    border-color: var(--black);
}

.btn-text {
    color: var(--black);
    padding: 8px 0;
    border-bottom: 1px solid transparent;
}

.btn-text:hover {
    border-bottom-color: var(--black);
}

.btn-small {
    padding: 10px 20px;
    font-size: 0.85rem;
}

.btn-large {
    padding: 16px 32px;
    font-size: 1rem;
}

/* --- Navigation --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(245, 240, 232, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-serif);
    font-size: 1.35rem;
    font-weight: 600;
}

.nav-logo-icon {
    width: 36px;
    height: 36px;
    border-radius: 9px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--gray);
    transition: color var(--transition);
}

.nav-links a:hover {
    color: var(--black);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    padding: 8px;
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--black);
    transition: all var(--transition);
}

/* --- Hero --- */
.hero {
    padding: 140px 0 90px;
    min-height: auto;
    display: flex;
    align-items: center;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    max-width: 580px;
    order: 1;
}

.hero-content .eyebrow {
    max-width: 400px;
}

.hero-lead {
    font-size: clamp(1.05rem, 1.5vw, 1.25rem);
    color: var(--gray);
    margin: 24px 0 32px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 24px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.hero-trust {
    display: flex;
    align-items: center;
    gap: 20px;
    padding-top: 28px;
    border-top: 1px solid var(--border);
}

.trust-item {
    display: flex;
    flex-direction: column;
}

.trust-number {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--black);
    line-height: 1;
}

.trust-label {
    font-size: 0.8rem;
    color: var(--gray);
    text-transform: lowercase;
    margin-top: 4px;
}

.trust-divider {
    width: 1px;
    height: 32px;
    background: var(--border);
}

.hero-visual {
    display: flex;
    justify-content: center;
    order: 2;
}

/* --- Phone Mockup --- */
.phone-mockup {
    position: relative;
    width: 260px;
    border-radius: 40px;
    overflow: hidden;
    background: var(--black);
    box-shadow:
        0 0 0 1px rgba(0, 0, 0, 0.05),
        0 30px 80px rgba(0, 0, 0, 0.15),
        0 60px 120px rgba(0, 0, 0, 0.08);
}

.phone-mockup::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 110px;
    height: 26px;
    background: var(--black);
    border-bottom-left-radius: 14px;
    border-bottom-right-radius: 14px;
    z-index: 2;
}

.phone-mockup img {
    width: 100%;
    display: block;
}

.hero-phone {
    width: 260px;
}

/* --- Manifesto --- */
.manifesto {
    padding: var(--section-padding);
    background: var(--black);
    text-align: center;
}

.manifesto-text {
    font-family: var(--font-serif);
    font-size: clamp(1.25rem, 2.4vw, 1.9rem);
    color: var(--cream);
    line-height: 1.55;
    font-style: italic;
}

/* --- Sections --- */
.section {
    padding: var(--section-padding);
}

.section-dark {
    background: var(--black);
}

.section-dark h2,
.section-dark h3 {
    color: var(--cream);
}

.section-dark p {
    color: var(--gray-light);
}

.section-header {
    max-width: 640px;
    margin-bottom: 56px;
}

.section-header h2 {
    margin-top: 16px;
}

/* --- Steps --- */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.step-card {
    display: flex;
    flex-direction: column;
}

.step-number {
    font-family: var(--font-serif);
    font-size: 0.85rem;
    color: var(--gold-dark);
    margin-bottom: 12px;
}

.step-card h3 {
    margin-bottom: 10px;
}

.step-card p {
    font-size: 0.92rem;
    line-height: 1.65;
    margin-bottom: 24px;
}

.step-image {
    margin-top: auto;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 16px 50px rgba(0, 0, 0, 0.1);
    max-width: 280px;
    margin-left: auto;
    margin-right: auto;
    width: 100%;
}

.step-image img {
    width: 100%;
    display: block;
}

/* --- Features --- */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 48px 40px;
}

.feature-item {
    max-width: 320px;
}

.feature-icon {
    width: 44px;
    height: 44px;
    border: 1px solid var(--border-light);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gold);
    margin-bottom: 20px;
}

.feature-item h3 {
    margin-bottom: 10px;
    font-size: 1.15rem;
}

.feature-item p {
    font-size: 0.92rem;
    line-height: 1.65;
}

/* --- Integration --- */
.integration-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.integration-content {
    max-width: 480px;
}

.integration-content h2 {
    margin-top: 16px;
    margin-bottom: 20px;
}

.integration-content > p {
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: 28px;
}

.integration-list {
    list-style: none;
    margin-bottom: 36px;
}

.integration-list li {
    position: relative;
    padding-left: 24px;
    margin-bottom: 12px;
    color: var(--gray);
}

.integration-list li::before {
    content: '—';
    position: absolute;
    left: 0;
    color: var(--gold-dark);
}

.integration-list code {
    font-family: 'SF Mono', monospace;
    font-size: 0.85em;
    background: rgba(201, 162, 39, 0.1);
    color: var(--gold-dark);
    padding: 2px 6px;
    border-radius: 4px;
}

.integration-visual {
    display: flex;
    justify-content: center;
}

/* --- CTA --- */
.section-cta {
    padding: var(--section-padding);
    background: var(--cream-dark);
}

.cta-block {
    text-align: center;
    max-width: 640px;
    margin: 0 auto;
}

.cta-block h2 {
    margin-bottom: 16px;
}

.cta-lead {
    font-size: 1.05rem;
    margin-bottom: 28px;
}

.cta-note {
    font-size: 0.85rem;
    color: var(--gray);
    margin-top: 16px;
}

.waitlist-form {
    display: flex;
    gap: 12px;
    max-width: 440px;
    margin: 40px auto 0;
}

.waitlist-form input {
    flex: 1;
    padding: 14px 20px;
    border: 1px solid var(--border);
    border-radius: 100px;
    background: var(--cream);
    color: var(--black);
    font-family: inherit;
    font-size: 0.95rem;
    outline: none;
    transition: border-color var(--transition);
}

.waitlist-form input:focus {
    border-color: var(--black);
}

.waitlist-form input::placeholder {
    color: var(--gray-light);
}

.waitlist-form button {
    padding: 14px 24px;
    background: var(--black);
    color: var(--cream);
    border-radius: 100px;
    font-weight: 500;
    font-size: 0.9rem;
    cursor: pointer;
    transition: background var(--transition);
}

.waitlist-form button:hover {
    background: var(--black-soft);
}

/* --- Footer --- */
.footer {
    padding: 80px 0 40px;
    background: var(--black);
    color: var(--cream);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    padding-bottom: 60px;
    border-bottom: 1px solid var(--border-light);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-serif);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.footer-logo-icon {
    width: 28px;
    height: 28px;
    border-radius: 7px;
}

.footer-brand p {
    color: var(--gray-light);
    font-size: 0.9rem;
    max-width: 260px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links h4 {
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--cream);
    margin-bottom: 8px;
}

.footer-links a {
    font-size: 0.9rem;
    color: var(--gray-light);
    transition: color var(--transition);
}

.footer-links a:hover {
    color: var(--cream);
}

.footer-bottom {
    padding-top: 32px;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.85rem;
    color: var(--gray-light);
}

/* --- Responsive --- */
@media (max-width: 1023px) {
    .hero {
        padding: 120px 0 70px;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }

    .hero-content {
        max-width: 580px;
        margin: 0 auto;
        order: 1;
    }

    .hero-content .eyebrow {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-trust {
        justify-content: center;
    }

    .hero-visual {
        order: 0;
    }

    .phone-mockup {
        width: 220px;
    }

    .hero-phone {
        width: 240px;
    }

    .steps-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 28px;
    }

    .step-image {
        max-width: 200px;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 36px 28px;
    }

    .integration-block {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }

    .integration-content {
        max-width: 520px;
        margin: 0 auto;
        order: 1;
    }

    .integration-list {
        display: inline-block;
        text-align: left;
        margin-bottom: 24px;
    }

    .integration-list li {
        margin: 8px 0;
    }

    .integration-content .btn-secondary {
        margin-top: 8px;
    }

    .integration-visual {
        order: 0;
    }

    .integration-visual .phone-mockup {
        width: 220px;
    }

    .nav-links,
    .navbar .btn-primary {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

    .nav-links.open {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--cream);
        padding: 32px 24px;
        gap: 20px;
        z-index: 999;
    }

    .nav-links.open a {
        font-size: 1.1rem;
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }
}

@media (max-width: 767px) {
    :root {
        --section-padding: clamp(56px, 10vw, 80px) 0;
    }

    h1 {
        font-size: clamp(1.9rem, 7vw, 2.4rem);
    }

    h2 {
        font-size: clamp(1.45rem, 5.5vw, 1.85rem);
    }

    h3 {
        font-size: 1.2rem;
    }

    .hero {
        padding-top: 100px;
        padding-bottom: 56px;
    }

    .hero-grid {
        gap: 32px;
    }

    .hero-content {
        order: 1;
    }

    .hero-visual {
        order: 2;
    }

    .hero-lead {
        font-size: 0.95rem;
        margin: 16px 0 24px;
    }

    .hero-actions {
        flex-direction: column;
        gap: 12px;
        margin-bottom: 28px;
        align-items: stretch;
    }

    .hero-actions .btn-primary,
    .hero-actions .btn-text {
        width: 100%;
        justify-content: center;
    }

    .hero-actions .btn-primary {
        padding: 14px 24px;
        font-size: 0.9rem;
    }

    .hero-trust {
        flex-direction: column;
        gap: 14px;
        padding-top: 20px;
    }

    .trust-number {
        font-size: 1.5rem;
    }

    .trust-divider {
        width: 32px;
        height: 1px;
    }

    .phone-mockup {
        width: 180px;
        border-radius: 32px;
    }

    .phone-mockup::before {
        width: 80px;
        height: 20px;
    }

    .hero-phone {
        width: 200px;
    }

    .manifesto-text {
        font-size: clamp(1.1rem, 4.5vw, 1.35rem);
    }

    .section-header {
        margin-bottom: 40px;
    }

    .steps-grid {
        grid-template-columns: 1fr;
        gap: 36px;
        max-width: 360px;
        margin: 0 auto;
    }

    .step-card p {
        font-size: 0.9rem;
        margin-bottom: 18px;
    }

    .step-image {
        max-width: 180px;
        border-radius: 18px;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .feature-item {
        max-width: 100%;
    }

    .feature-icon {
        width: 40px;
        height: 40px;
        margin-bottom: 16px;
    }

    .feature-item h3 {
        font-size: 1.05rem;
    }

    .feature-item p {
        font-size: 0.9rem;
    }

    .integration-block {
        gap: 32px;
    }

    .integration-content {
        text-align: center;
        max-width: 100%;
    }

    .integration-content > p {
        font-size: 0.95rem;
        margin-bottom: 20px;
    }

    .integration-list {
        display: block;
        width: 100%;
        margin-bottom: 20px;
    }

    .integration-list li {
        display: block;
        margin: 8px 0;
        text-align: left;
        font-size: 0.9rem;
    }

    .integration-content .btn-secondary {
        display: flex;
        width: 100%;
        justify-content: center;
        max-width: 280px;
        margin: 0 auto;
    }

    .integration-visual .phone-mockup {
        width: 200px;
    }

    .cta-block h2 {
        font-size: clamp(1.5rem, 6vw, 1.9rem);
    }

    .cta-lead {
        font-size: 0.95rem;
    }

    .btn-large {
        padding: 14px 24px;
        font-size: 0.9rem;
    }

    .waitlist-form {
        flex-direction: column;
        gap: 10px;
        max-width: 360px;
    }

    .waitlist-form input,
    .waitlist-form button {
        width: 100%;
    }

    .footer {
        padding: 60px 0 32px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
        padding-bottom: 40px;
    }

    .footer-links h4 {
        margin-bottom: 12px;
    }
}