/* =========================================================
   PREMIUM LANDSCAPES — MOBILE & TABLET UX
   Applied across all 80+ pages via mobile.css
   ========================================================= */

/* ─── CSS CUSTOM PROPERTIES ─────────────────────────────── */
:root {
    --bottom-cta-height: 72px;
    --nav-height: 64px;
    --safe-bottom: env(safe-area-inset-bottom, 0px);
    --menu-transition: 0.32s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ─── MENU OVERLAY BACKDROP ─────────────────────────────── */
.menu-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 90;
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
    opacity: 0;
    transition: opacity var(--menu-transition);
}
.menu-overlay.active {
    display: block;
    opacity: 1;
}

/* ─── MOBILE MENU: PATTERN 2 — DROPDOWN (54 pages) ──────── */
/* These menus are always in the DOM and were always-visible on mobile.
   Hide by default, show on .active */
.mobile-menu:not([class*="fixed"]) {
    display: none;
    animation: menuSlideDown 0.25s ease forwards;
}
.mobile-menu:not([class*="fixed"]).active {
    display: block;
}
@keyframes menuSlideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ─── MOBILE MENU: PATTERN 1 — SLIDE DRAWER (7 pages) ───── */
/* Full-screen slide-in from right */
.mobile-menu.fixed {
    transition: transform var(--menu-transition) !important;
    will-change: transform;
}
.mobile-menu.fixed.active {
    transform: translateX(0) !important;
    -webkit-transform: translateX(0) !important;
}
/* Prevent body scroll when full-screen menu is open */
body.menu-open {
    overflow: hidden;
    position: fixed;
    width: 100%;
}

/* ─── STICKY BOTTOM CTA BAR (mobile only) ───────────────── */
.mobile-bottom-cta {
    display: none;
}
@media (max-width: 767px) {
    .mobile-bottom-cta {
        display: flex;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        z-index: 80;
        background: white;
        border-top: 1px solid #e5e7eb;
        padding: 10px 16px calc(10px + var(--safe-bottom));
        gap: 10px;
        box-shadow: 0 -4px 20px rgba(0,0,0,0.12);
        align-items: center;
    }
    .mobile-bottom-cta .cta-call {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        flex: 0 0 auto;
        min-width: 52px;
        height: 50px;
        background: #f0f9ff;
        color: #2563eb;
        border: 2px solid #bfdbfe;
        border-radius: 14px;
        font-weight: 700;
        font-size: 13px;
        text-decoration: none;
        transition: all 0.2s ease;
        padding: 0 14px;
    }
    .mobile-bottom-cta .cta-call:active {
        background: #dbeafe;
        transform: scale(0.97);
    }
    .mobile-bottom-cta .cta-quote {
        flex: 1;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        height: 50px;
        background: linear-gradient(135deg, #2563eb, #7c3aed);
        color: white;
        border-radius: 14px;
        font-weight: 700;
        font-size: 15px;
        text-decoration: none;
        transition: all 0.2s ease;
        box-shadow: 0 4px 14px rgba(37,99,235,0.35);
    }
    .mobile-bottom-cta .cta-quote:active {
        opacity: 0.9;
        transform: scale(0.98);
    }
    /* Push page content up so it's not hidden behind the bar */
    body:not(.no-bottom-cta) {
        padding-bottom: calc(var(--bottom-cta-height) + var(--safe-bottom));
    }
    /* Hide bar on quote page — user is already converting */
    body.on-quote-page .mobile-bottom-cta {
        display: none !important;
    }
    body.on-quote-page {
        padding-bottom: 0 !important;
    }
}

/* ─── TOUCH TARGET MINIMUMS ──────────────────────────────── */
@media (max-width: 767px) {
    a, button, [role="button"], input[type="submit"],
    input[type="button"], label[for] {
        min-height: 44px;
        min-width: 44px;
    }
    /* Form controls — large enough for thumbs, no zoom on iOS */
    input[type="text"], input[type="email"],
    input[type="tel"], input[type="number"],
    select, textarea {
        font-size: 16px !important;
        min-height: 52px;
        padding: 14px 16px;
        border-radius: 12px;
        -webkit-appearance: none;
        appearance: none;
    }
    textarea { min-height: 100px; }
    /* Range slider — bigger thumb for touch */
    input[type="range"] {
        height: 6px;
        cursor: pointer;
    }
    input[type="range"]::-webkit-slider-thumb {
        width: 28px;
        height: 28px;
        -webkit-appearance: none;
        appearance: none;
        background: #2563eb;
        border-radius: 50%;
        cursor: pointer;
        box-shadow: 0 2px 8px rgba(37,99,235,0.3);
    }
    input[type="range"]::-moz-range-thumb {
        width: 28px;
        height: 28px;
        background: #2563eb;
        border-radius: 50%;
        cursor: pointer;
        border: none;
    }
}

/* ─── TYPOGRAPHY — MOBILE SCALING ───────────────────────── */
@media (max-width: 479px) {
    /* Headings scale down gracefully on small phones */
    h1 { font-size: clamp(1.75rem, 7vw, 2.5rem) !important; line-height: 1.15 !important; }
    h2 { font-size: clamp(1.4rem, 5.5vw, 2rem) !important; }
    h3 { font-size: clamp(1.1rem, 4.5vw, 1.5rem) !important; }
    /* Body text stays readable */
    p, li { font-size: clamp(0.9rem, 3.5vw, 1rem); line-height: 1.65; }
    /* Hero paragraphs specifically */
    .text-xl { font-size: 1rem !important; }
    .text-2xl { font-size: 1.2rem !important; }
    .text-3xl { font-size: 1.5rem !important; }
    .text-4xl { font-size: 1.85rem !important; }
    .text-5xl { font-size: 2.25rem !important; }
}

/* ─── HERO SECTIONS — MOBILE SPACING ────────────────────── */
@media (max-width: 767px) {
    /* Prevent content sitting behind fixed header */
    section:first-of-type {
        scroll-margin-top: var(--nav-height);
    }
    /* Vertical breathing room in hero sections */
    .hero-gradient, [class*="hero-bg"], [class*="hero-section"] {
        padding-top: 3.5rem !important;
        padding-bottom: 3rem !important;
    }
    /* Section vertical padding reduction */
    section.py-20 { padding-top: 3rem !important; padding-bottom: 3rem !important; }
    section.py-16 { padding-top: 2.5rem !important; padding-bottom: 2.5rem !important; }
    section.py-12 { padding-top: 2rem !important; padding-bottom: 2rem !important; }
    /* Horizontal padding safety net */
    section { padding-left: max(1rem, env(safe-area-inset-left)); padding-right: max(1rem, env(safe-area-inset-right)); }
}

/* ─── PRICING TABLES — HORIZONTAL SCROLL ────────────────── */
.table-scroll-wrapper {
    -webkit-overflow-scrolling: touch;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    position: relative;
}
.table-scroll-wrapper::-webkit-scrollbar { display: none; }
/* Fade indicator on right to signal scrollable content */
@media (max-width: 767px) {
    .table-scroll-wrapper::after {
        content: '';
        position: absolute;
        top: 0;
        right: 0;
        bottom: 0;
        width: 40px;
        background: linear-gradient(to right, transparent, rgba(255,255,255,0.9));
        pointer-events: none;
        border-radius: 0 1rem 1rem 0;
    }
    /* Tables inside wrapper: don't compress columns */
    .table-scroll-wrapper table { min-width: 520px; }
    /* Table cells more compact */
    .table-scroll-wrapper td,
    .table-scroll-wrapper th {
        padding: 10px 14px !important;
        font-size: 0.8rem !important;
        white-space: nowrap;
    }
}

/* ─── CARDS — TOUCH FEEDBACK ─────────────────────────────── */
@media (hover: none) {
    /* On touch devices, replace hover with active press feedback */
    .card-glass:hover,
    .card-hover:hover {
        transform: none;
        box-shadow: none;
    }
    .card-glass:active,
    .card-hover:active {
        transform: scale(0.98);
        opacity: 0.92;
        transition: transform 0.1s ease, opacity 0.1s ease;
    }
}

/* ─── CALCULATOR PAGES — MOBILE ──────────────────────────── */
@media (max-width: 639px) {
    /* Material selection cards: single column on very small phones */
    #materialGrid {
        grid-template-columns: 1fr !important;
    }
    /* Result box — bigger font for the price */
    #resultRange {
        font-size: 2.25rem !important;
    }
}
@media (max-width: 767px) {
    /* Calculator card full-width */
    #materialGrid label {
        padding: 12px 14px;
    }
}

/* ─── COST GUIDE TABLES — MOBILE ────────────────────────── */
@media (max-width: 767px) {
    /* Wrap overflow-x-auto tables in scroll hint */
    .overflow-x-auto {
        position: relative;
        -webkit-overflow-scrolling: touch;
    }
    /* Price table row heights */
    .price-row td { padding: 10px 12px !important; font-size: 0.82rem !important; }
    .price-row:hover { background: transparent !important; }
    .price-row:active { background: #f0f9ff !important; }
}

/* ─── QUOTE FORM — MOBILE ────────────────────────────────── */
@media (max-width: 767px) {
    /* Progress steps — show only icons on mobile, not full labels */
    .progress-step .step-label {
        font-size: 0.6rem !important;
        line-height: 1.2 !important;
    }
    .progress-step .step-icon {
        width: 36px !important;
        height: 36px !important;
    }
    /* Quote step cards full-width */
    .quote-mode-card {
        width: 100% !important;
    }
    /* Upload area on mobile */
    .upload-area {
        padding: 1.5rem 1rem !important;
    }
}

/* ─── NAVIGATION — HAMBURGER BUTTON ─────────────────────── */
@media (max-width: 767px) {
    #mobileMenuBtn {
        min-width: 44px;
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 10px;
        transition: background 0.15s ease;
    }
    #mobileMenuBtn:active {
        background: rgba(0,0,0,0.06);
    }
    /* Mobile menu items: larger tap targets */
    .mobile-menu-link {
        min-height: 52px;
        display: flex !important;
        align-items: center;
        padding-top: 0 !important;
        padding-bottom: 0 !important;
        border-radius: 12px;
    }
}

/* ─── TABLET LAYOUT IMPROVEMENTS (768px–1023px) ──────────── */
@media (min-width: 768px) and (max-width: 1023px) {
    /* Two-column grids that look odd on tablet */
    .md\:grid-cols-3 { grid-template-columns: repeat(2, 1fr) !important; }
    /* Hero text sizing for tablet */
    h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
    /* Padding adjustments */
    section { padding-left: 2rem !important; padding-right: 2rem !important; }
    /* Calculator material grid: 2 columns */
    #materialGrid { grid-template-columns: repeat(2, 1fr) !important; }
}

/* ─── SMOOTH MOMENTUM SCROLLING ──────────────────────────── */
html {
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
}
/* Prevent horizontal overflow on all pages */
body {
    overflow-x: hidden;
    max-width: 100vw;
}

/* ─── SAFE AREA — NOTCH & HOME BAR ──────────────────────── */
header {
    padding-left: env(safe-area-inset-left);
    padding-right: env(safe-area-inset-right);
}

/* ─── FOCUS STATES — ACCESSIBILITY ──────────────────────── */
:focus-visible {
    outline: 3px solid #2563eb;
    outline-offset: 3px;
    border-radius: 4px;
}
:focus:not(:focus-visible) { outline: none; }

/* ─── SCROLL-TO-TOP BUTTON ───────────────────────────────── */
.scroll-top-btn {
    display: none;
    position: fixed;
    bottom: calc(80px + var(--safe-bottom));
    right: 16px;
    z-index: 79;
    width: 44px;
    height: 44px;
    background: white;
    border: 2px solid #e5e7eb;
    border-radius: 50%;
    box-shadow: 0 4px 14px rgba(0,0,0,0.12);
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    color: #2563eb;
    font-size: 18px;
}
.scroll-top-btn.visible {
    display: flex;
}
.scroll-top-btn:active {
    transform: scale(0.92);
}
@media (min-width: 768px) {
    .scroll-top-btn { display: none !important; }
}

/* ─── IMAGE LOADING PLACEHOLDER ──────────────────────────── */
img {
    transition: opacity 0.3s ease;
}
img[loading="lazy"] {
    background: #f1f5f9;
}

/* ─── BUTTON ACTIVE STATES (all mobile) ──────────────────── */
@media (max-width: 767px) {
    a.bg-primary:active,
    button.bg-primary:active {
        filter: brightness(0.9);
        transform: scale(0.98);
    }
}