/* ============================================================
   Doerz.us — Phase 1 styles
   Mobile-first. GSAP handles motion; CSS handles layout & fallback.
   ============================================================ */

:root {
    --color-background: #f2f3f7;
    --color-surface: #ffffff;
    --color-text: #14171f;
    --color-text-muted: #5e6470;

    --color-primary: #a61e2e;
    --color-primary-hover: #8a1826;
    --color-primary-soft: #fae8ec;

    --color-accent: #10263f;
    --color-accent-hover: #1a3a5c;

    --color-border: #dfe2e8;

    --border-radius-sm: 8px;
    --border-radius-md: 16px;
    --border-radius-lg: 28px;

    --font-sans: "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

    --max-width: 1200px;
    --header-height: 68px;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; }
html {
    -webkit-text-size-adjust: 100%;
    overflow-x: hidden;
}
body {
    margin: 0;
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-background);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
h1, h2, h3 { margin: 0; line-height: 1.08; font-weight: 800; letter-spacing: -0.02em; }
p { margin: 0; }

/* Focus visibility */
:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 3px;
    border-radius: 4px;
}

/* Section helpers */
.section-inner {
    max-width: var(--max-width);
    margin-inline: auto;
    padding-inline: clamp(20px, 5vw, 64px);
}
.eyebrow {
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--color-primary);
    margin-bottom: 0.75rem;
}
.eyebrow-light { color: var(--color-primary); }
.section-headline {
    font-size: clamp(2rem, 5vw, 4rem);
    max-width: 18ch;
}
.section-lede {
    margin-top: 1rem;
    font-size: clamp(1.05rem, 2vw, 1.35rem);
    color: var(--color-text-muted);
    max-width: 52ch;
}
.headline-light { color: var(--color-surface); }
.lede-light { color: rgba(255, 255, 255, 0.82); }

/* ============================================================
   Buttons
   ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    min-height: 48px;
    padding: 0.85rem 1.6rem;
    border-radius: 999px;
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: -0.01em;
    transition: transform 0.18s ease, background-color 0.18s ease, color 0.18s ease, box-shadow 0.18s ease;
    will-change: transform;
}
.btn:active { transform: translateY(1px) scale(0.99); }
.btn-primary {
    background: var(--color-primary);
    color: var(--color-surface);
    box-shadow: 0 8px 22px -10px rgba(166, 30, 46, 0.55);
}
.btn-primary:hover { background: var(--color-primary-hover); }
.btn-estimator {
    background: var(--color-accent);
    color: var(--color-surface);
}
.btn-estimator:hover { background: var(--color-accent-hover); }
.btn-large { min-height: 56px; padding: 1rem 2.2rem; font-size: 1.1rem; }

/* ============================================================
   Header / Navigation
   ============================================================ */
#site-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    overflow-x: clip;
    background: rgba(242, 243, 247, 0.78);
    -webkit-backdrop-filter: saturate(160%) blur(12px);
    backdrop-filter: saturate(160%) blur(12px);
    border-bottom: 1px solid transparent;
    transition: border-color 0.25s ease, background-color 0.25s ease;
}
#site-header.is-scrolled {
    border-bottom-color: var(--color-border);
    background: rgba(242, 243, 247, 0.92);
}
.header-inner {
    max-width: var(--max-width);
    margin-inline: auto;
    height: var(--header-height);
    padding-inline: clamp(20px, 5vw, 64px);
    display: flex;
    align-items: center;
    gap: 1.25rem;
    width: 100%;
    min-width: 0;
}
.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    font-weight: 800;
    font-size: 1.2rem;
    letter-spacing: -0.02em;
}
.brand-mark { display: inline-flex; }
.desktop-nav { display: none; }
.header-actions { margin-left: auto; display: flex; align-items: center; gap: 0.6rem; }
@media (max-width: 767px) {
    .header-inner {
        gap: 0.45rem;
        padding-inline: 16px;
    }
    .brand {
        min-width: 0;
        flex-shrink: 1;
    }
    .brand-name {
        font-size: 1.05rem;
    }
    .header-actions .btn-estimator {
        min-height: 32px;
        padding: 0.3rem 0.65rem;
        font-size: 0.68rem;
        white-space: nowrap;
    }
}
.mobile-menu-toggle {
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 44px; height: 44px;
    border-radius: var(--border-radius-sm);
}
.toggle-bar {
    width: 22px; height: 2.5px;
    background: var(--color-text);
    border-radius: 2px;
    transition: transform 0.25s ease, opacity 0.25s ease;
}
.mobile-menu-toggle[aria-expanded="true"] .toggle-bar:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.mobile-menu-toggle[aria-expanded="true"] .toggle-bar:nth-child(2) { opacity: 0; }
.mobile-menu-toggle[aria-expanded="true"] .toggle-bar:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* Mobile nav overlay */
.mobile-nav {
    position: fixed;
    top: var(--header-height); left: 0; right: 0;
    background: var(--color-background);
    border-bottom: 1px solid var(--color-border);
    padding: 1.2rem clamp(20px, 5vw, 64px) 1.8rem;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.25s ease, opacity 0.25s ease;
}
.mobile-nav[data-hidden="false"] {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
}
.mobile-nav-link {
    padding: 0.85rem 0.25rem;
    font-size: 1.25rem;
    font-weight: 700;
    border-bottom: 1px solid var(--color-border);
}
.mobile-estimator { margin-top: 0.8rem; }

/* ============================================================
   Smooth wrapper
   ============================================================ */
#smooth-wrapper {
    overflow: hidden;
    width: 100%;
    will-change: transform;
}
#smooth-content {
    width: 100%;
    overflow-x: clip;
}

/* ============================================================
   Hero
   ============================================================ */
.hero {
    min-height: 100svh;
    display: flex;
    align-items: center;
    padding-top: calc(var(--header-height) + 3rem);
    padding-bottom: 4rem;
}
.hero-inner {
    max-width: var(--max-width);
    margin-inline: auto;
    padding-inline: clamp(20px, 5vw, 64px);
    width: 100%;
}
.hero-headline {
    font-size: clamp(2.6rem, 8vw, 6.5rem);
    line-height: 0.98;
    letter-spacing: -0.035em;
    margin-top: 0.5rem;
    max-width: 16ch;
    overflow: hidden;
}
.hero-lede {
    margin-top: 1.5rem;
    font-size: clamp(1.1rem, 2.4vw, 1.5rem);
    color: var(--color-text-muted);
    max-width: 46ch;
}
.hero-cta-row {
    margin-top: 2rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
}
.trust-row {
    margin-top: 2.6rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}
.trust-pill {
    padding: 0.5rem 1rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 999px;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--color-text);
}
/* ============================================================
   Services Intro
   ============================================================ */
.services-intro {
    padding: clamp(4rem, 9vw, 7rem) 0 clamp(2rem, 5vw, 3rem);
}

/* ============================================================
   Scrolling Services Experience
   ============================================================ */
#services-track { position: relative; }

.service-section {
    min-height: 100svh;
    display: grid;
    grid-template-columns: 1fr;
    align-items: center;
    gap: 2rem;
    padding: clamp(3rem, 8vw, 6rem) clamp(20px, 5vw, 64px);
    max-width: var(--max-width);
    margin-inline: auto;
    overflow-x: clip;
}
.service-media {
    overflow: hidden;
    border-radius: var(--border-radius-lg);
    aspect-ratio: 4 / 3;
    background: var(--color-accent);
    position: relative;
}
.media-photo {
    position: absolute;
    inset: -10%;
    width: 120%;
    height: 120%;
    object-fit: cover;
    display: block;
}
.service-section[data-service-name] .service-copy { padding: 0.5rem 0; }
.service-index {
    font-size: 0.85rem;
    font-weight: 800;
    letter-spacing: 0.18em;
    color: var(--color-primary);
}
.service-title {
    font-size: clamp(2rem, 5vw, 3.4rem);
    margin-top: 0.6rem;
}
.service-desc {
    margin-top: 1rem;
    font-size: clamp(1.05rem, 2vw, 1.3rem);
    color: var(--color-text-muted);
    max-width: 42ch;
}
.service-tags {
    margin-top: 1.5rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}
.service-tags li {
    padding: 0.4rem 0.9rem;
    background: var(--color-primary-soft);
    color: var(--color-primary-hover);
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 600;
}
.service-section .btn { margin-top: 2rem; }


/* ============================================================
   Move Estimator preview
   ============================================================ */
.move-estimator {
    background: var(--color-accent);
    color: var(--color-surface);
    padding: clamp(4rem, 10vw, 8rem) 0;
    overflow-x: clip;
}
.estimator-panel {
    max-width: var(--max-width);
    margin-inline: auto;
    padding-inline: clamp(20px, 5vw, 64px);
}
.estimator-placeholder { display: none; }

/* ============================================================
   How It Works
   ============================================================ */
.how-it-works { padding: clamp(4rem, 9vw, 7rem) 0; }
.steps {
    margin-top: 2.5rem;
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.2rem;
}
.step-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: 1.8rem;
}
.step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px; height: 44px;
    border-radius: 50%;
    background: var(--color-primary);
    color: var(--color-surface);
    font-weight: 800;
    margin-bottom: 1rem;
}
.step-card h3 { font-size: 1.4rem; }
.step-card p { margin-top: 0.5rem; color: var(--color-text-muted); }

/* ============================================================
   Why Doerz
   ============================================================ */
.why-doerz { padding: clamp(4rem, 9vw, 7rem) 0; background: var(--color-surface); border-block: 1px solid var(--color-border); }
.why-grid {
    margin-top: 2.5rem;
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}
.why-card {
    padding: 1.6rem;
    border-radius: var(--border-radius-md);
    background: var(--color-background);
    border: 1px solid var(--color-border);
}
.why-card h3 { font-size: 1.25rem; color: var(--color-accent); }
.why-card p { margin-top: 0.5rem; color: var(--color-text-muted); }

/* ============================================================
   Conversion
   ============================================================ */
.conversion {
    background: var(--color-accent);
    color: var(--color-surface);
    padding: clamp(5rem, 12vw, 9rem) 0;
    text-align: center;
    overflow-x: clip;
}
.conversion-inner {
    max-width: 900px;
    margin-inline: auto;
    padding-inline: clamp(20px, 5vw, 64px);
    overflow-x: clip;
}
.conversion-headline {
    font-size: clamp(2.4rem, 7vw, 5.5rem);
    letter-spacing: -0.035em;
}
.conversion-lede {
    margin-top: 1.5rem;
    font-size: clamp(1.1rem, 2.4vw, 1.5rem);
    color: rgba(255,255,255,0.82);
}
.conversion .btn { margin-top: 2.2rem; }

/* ============================================================
   Contact
   ============================================================ */
.contact {
    padding: clamp(4rem, 9vw, 7rem) 0;
    text-align: center;
    overflow-x: clip;
}
.contact .section-inner { display: flex; flex-direction: column; align-items: center; }
.contact .section-headline { max-width: none; }
.contact .section-lede { text-align: center; }
.contact .btn { margin-top: 2rem; font-size: 1.4rem; }

/* ============================================================
   Footer
   ============================================================ */
#site-footer {
    background: var(--color-accent);
    color: var(--color-surface);
    padding: 3rem 0 2.5rem;
    overflow-x: clip;
}
.footer-inner {
    max-width: var(--max-width);
    margin-inline: auto;
    padding-inline: clamp(20px, 5vw, 64px);
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}
.footer-brand { display: flex; flex-direction: column; }
.footer-brand .brand-name { font-size: 1.4rem; font-weight: 800; }
.footer-domain { color: rgba(255,255,255,0.7); font-size: 0.95rem; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 1rem 1.5rem; }
.footer-nav a { color: rgba(255,255,255,0.82); font-size: 0.95rem; }
.footer-nav a:hover { color: var(--color-primary); }

/* ============================================================
   Modal
   ============================================================ */
.modal {
    position: fixed;
    inset: 0;
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
}
.modal[data-hidden="false"] { opacity: 1; pointer-events: auto; }
.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(16, 38, 63, 0.6);
    -webkit-backdrop-filter: blur(4px);
    backdrop-filter: blur(4px);
}
.modal-panel {
    position: relative;
    max-width: 460px;
    width: 100%;
    background: var(--color-surface);
    border-radius: var(--border-radius-lg);
    padding: 2.4rem;
    text-align: center;
    transform: translateY(12px) scale(0.98);
    transition: transform 0.28s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.modal[data-hidden="false"] .modal-panel { transform: translateY(0) scale(1); }
.modal-close {
    position: absolute;
    top: 0.9rem; right: 0.9rem;
    width: 40px; height: 40px;
    border-radius: 50%;
    background: var(--color-background);
    color: var(--color-text);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.modal-close:hover { background: var(--color-primary-soft); }
.modal-title { font-size: 1.7rem; margin-top: 0.5rem; }
.modal-copy { margin-top: 0.8rem; color: var(--color-text-muted); }
.modal .btn { margin-top: 1.4rem; }

/* ============================================================
   Responsive breakpoints
   ============================================================ */

/* 480px+ */
@media (min-width: 480px) {
    .hero-cta-row { gap: 1rem; }
    .why-grid { grid-template-columns: repeat(2, 1fr); }
}

/* 768px+ — full demo language */
@media (min-width: 768px) {
    .desktop-nav { display: flex; gap: 1.6rem; align-items: center; }
    .desktop-nav .nav-link {
        font-weight: 600;
        font-size: 0.98rem;
        color: var(--color-text);
        position: relative;
        padding: 0.3rem 0;
    }
    .desktop-nav .nav-link::after {
        content: "";
        position: absolute;
        left: 0; bottom: -2px;
        width: 100%; height: 2px;
        background: var(--color-primary);
        transform: scaleX(0);
        transform-origin: left;
        transition: transform 0.25s ease;
    }
    .desktop-nav .nav-link:hover { color: var(--color-primary); }
    .desktop-nav .nav-link.is-active { color: var(--color-primary); }
    .desktop-nav .nav-link.is-active::after { transform: scaleX(1); }

    .mobile-menu-toggle { display: none; }
    .mobile-nav { display: none; }

    .service-section {
        grid-template-columns: 1fr 1fr;
        gap: clamp(2rem, 5vw, 5rem);
    }
    .service-section.service-alt .service-media { order: 2; }
    .service-section.service-alt .service-copy { order: 1; }

    .steps { grid-template-columns: repeat(3, 1fr); }
    .why-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-inner { flex-direction: row; flex-wrap: wrap; align-items: center; justify-content: space-between; }
    .footer-nav { margin-left: auto; }
}

/* 1024px+ */
@media (min-width: 1024px) {
    .why-grid { grid-template-columns: repeat(4, 1fr); }
}

/* 1280px+ */
@media (min-width: 1280px) {
    .hero-headline { max-width: 18ch; }
}

/* ============================================================
   Reduced motion fallback
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
    }
}