/* ==========================================================================
   Chidmano Landing — Store Layout Design System v3
   Theme: retail planogram · customer journey · conversion-first
   ========================================================================== */

:root {
    --header-h: 70px;
    --header-h-mobile: 64px;

    /* Brand — retail warmth + tech trust */
    --c-primary: #5b6eea;
    --c-primary-dark: #4a56c9;
    --c-accent: #f59e0b;
    --c-accent-soft: #fef3c7;
    --c-success: #10b981;

    --c-ink: #0f172a;
    --c-ink-soft: #334155;
    --c-muted: #64748b;
    --c-line: #e2e8f0;
    --c-surface: #ffffff;
    --c-surface-alt: #f8fafc;
    --c-surface-warm: #fffbeb;

    --font: 'Vazirmatn', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* 8px grid */
    --s-1: 0.5rem;
    --s-2: 1rem;
    --s-3: 1.5rem;
    --s-4: 2rem;
    --s-5: 2.5rem;
    --s-6: 3rem;
    --s-8: 4rem;
    --s-10: 5rem;
    --s-12: 6rem;

    --r-sm: 10px;
    --r-md: 16px;
    --r-lg: 24px;
    --r-xl: 32px;
    --r-full: 9999px;

    --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
    --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 20px 48px rgba(15, 23, 42, 0.12);
    --shadow-glow: 0 0 0 1px rgba(255, 255, 255, 0.12), 0 24px 64px rgba(0, 0, 0, 0.35);

    --ease: cubic-bezier(0.4, 0, 0.2, 1);
    --t-fast: 180ms var(--ease);
    --t-normal: 320ms var(--ease);
    --t-slow: 600ms var(--ease);

    --container: min(1200px, 100% - 2rem);
    --container-wide: min(1320px, 100% - 2rem);
}

/* ── Landing page scope ── */
.landing-page .header {
    background: rgba(15, 23, 42, 0.45);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    transition: background var(--t-normal), box-shadow var(--t-normal);
}

.landing-page .header.is-scrolled {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.25);
}

.landing-page main {
    padding: 0;
    margin: 0;
}

.landing-wrap {
    font-family: var(--font);
    color: var(--c-ink-soft);
    overflow-x: clip;
}

.landing-wrap *,
.landing-wrap *::before,
.landing-wrap *::after {
    box-sizing: border-box;
}

.lc {
    width: var(--container);
    margin-inline: auto;
}

.lc-wide {
    width: var(--container-wide);
    margin-inline: auto;
}

/* ── Section rhythm ── */
.ls {
    padding-block: var(--s-10);
}

.ls-compact {
    padding-block: var(--s-6);
}

.ls-head {
    text-align: center;
    max-width: 680px;
    margin-inline: auto;
    margin-bottom: var(--s-8);
}

.ls-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: var(--s-1);
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--c-primary);
    background: rgba(91, 110, 234, 0.1);
    padding: 0.35rem 0.85rem;
    border-radius: var(--r-full);
    margin-bottom: var(--s-2);
}

.ls-title {
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    font-weight: 800;
    color: var(--c-ink);
    line-height: 1.25;
    margin-bottom: var(--s-2);
}

.ls-sub {
    font-size: clamp(1rem, 2vw, 1.125rem);
    color: var(--c-muted);
    line-height: 1.75;
}

/* ==========================================================================
   HERO — fullscreen slideshow
   ========================================================================== */
.hero {
    position: relative;
    min-height: 100svh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: var(--header-h);
    isolation: isolate;
}

.hero__slideshow {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero__slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 1.2s var(--ease);
    pointer-events: none;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #1e1b4b 100%);
}

.hero__slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.hero__slide.is-active {
    opacity: 1;
    pointer-events: auto;
}

.hero__slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transform: scale(1.06);
    transition: transform 8s linear;
}

.hero__slide.is-active img {
    transform: scale(1);
}

.hero__overlay {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(180deg, rgba(15, 23, 42, 0.55) 0%, rgba(15, 23, 42, 0.35) 40%, rgba(15, 23, 42, 0.75) 100%),
        linear-gradient(135deg, rgba(91, 110, 234, 0.45) 0%, rgba(118, 75, 162, 0.35) 100%);
    z-index: 1;
}

/* Planogram grid decoration */
.hero__grid {
    position: absolute;
    inset: 0;
    z-index: 2;
    opacity: 0.07;
    background-image:
        linear-gradient(rgba(255,255,255,0.8) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.8) 1px, transparent 1px);
    background-size: 64px 64px;
    pointer-events: none;
    mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, black, transparent);
}

.hero__inner {
    position: relative;
    z-index: 3;
    width: var(--container-wide);
    margin-inline: auto;
    padding: var(--s-8) var(--s-2) var(--s-10);
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--s-6);
    align-items: center;
}

@media (min-width: 992px) {
    .hero__inner {
        grid-template-columns: 1.1fr 0.9fr;
        gap: var(--s-8);
    }
}

.hero__copy {
    text-align: center;
}

@media (min-width: 992px) {
    .hero__copy {
        text-align: right;
    }
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: var(--s-1);
    background: rgba(255, 255, 255, 0.14);
    border: 1px solid rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(12px);
    color: #fff;
    font-size: 0.875rem;
    font-weight: 500;
    padding: 0.45rem 1rem;
    border-radius: var(--r-full);
    margin-bottom: var(--s-3);
}

.hero__title {
    font-size: clamp(2rem, 5.5vw, 3.25rem);
    font-weight: 900;
    color: #fff;
    line-height: 1.2;
    margin-bottom: var(--s-3);
    text-shadow: 0 2px 24px rgba(0, 0, 0, 0.25);
}

.hero__title em {
    font-style: normal;
    background: linear-gradient(90deg, #fde68a, #fbbf24);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__lead {
    font-size: clamp(1rem, 2.2vw, 1.2rem);
    color: rgba(255, 255, 255, 0.92);
    line-height: 1.8;
    max-width: 540px;
    margin-inline: auto;
    margin-bottom: var(--s-4);
}

@media (min-width: 992px) {
    .hero__lead {
        margin-inline: 0 0 0 auto;
    }
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--s-2);
    justify-content: center;
    margin-bottom: var(--s-4);
}

@media (min-width: 992px) {
    .hero__actions {
        justify-content: flex-start;
    }
}

.btn-hero-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    background: #fff;
    color: var(--c-primary-dark);
    font-weight: 700;
    font-size: 1.05rem;
    padding: 0.9rem 1.75rem;
    border-radius: var(--r-full);
    text-decoration: none;
    box-shadow: var(--shadow-glow);
    transition: transform var(--t-fast), box-shadow var(--t-fast);
}

.btn-hero-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 0 1px rgba(255,255,255,0.2), 0 28px 56px rgba(0,0,0,0.4);
    color: var(--c-primary-dark);
}

.btn-hero-ghost {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: #fff;
    font-weight: 600;
    padding: 0.85rem 1.5rem;
    border-radius: var(--r-full);
    border: 2px solid rgba(255, 255, 255, 0.45);
    text-decoration: none;
    transition: background var(--t-fast), border-color var(--t-fast);
}

.btn-hero-ghost:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: #fff;
    color: #fff;
}

.hero__trust {
    display: flex;
    flex-wrap: wrap;
    gap: var(--s-2);
    justify-content: center;
}

@media (min-width: 992px) {
    .hero__trust {
        justify-content: flex-start;
    }
}

.hero__trust-item {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.88);
    background: rgba(255, 255, 255, 0.1);
    padding: 0.35rem 0.75rem;
    border-radius: var(--r-full);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

/* Journey card — visual purchase path */
.hero__journey {
    background: rgba(255, 255, 255, 0.97);
    border-radius: var(--r-lg);
    padding: var(--s-4);
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(20px);
}

.hero__journey-title {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--c-muted);
    margin-bottom: var(--s-3);
    text-align: center;
}

.hero__journey-steps {
    display: flex;
    flex-direction: column;
    gap: 0;
    position: relative;
}

.hero__journey-step {
    display: flex;
    align-items: flex-start;
    gap: var(--s-2);
    padding: var(--s-2) 0;
    position: relative;
}

.hero__journey-step:not(:last-child)::after {
    content: '';
    position: absolute;
    right: 17px;
    top: 2.5rem;
    width: 2px;
    height: calc(100% - 0.5rem);
    background: linear-gradient(180deg, var(--c-primary), var(--c-line));
}

.hero__journey-num {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, var(--c-primary), #764ba2);
    color: #fff;
    font-weight: 800;
    font-size: 0.875rem;
    border-radius: 50%;
    box-shadow: 0 4px 12px rgba(91, 110, 234, 0.35);
}

.hero__journey-text strong {
    display: block;
    font-size: 0.9375rem;
    color: var(--c-ink);
    margin-bottom: 0.15rem;
}

.hero__journey-text span {
    font-size: 0.8125rem;
    color: var(--c-muted);
    line-height: 1.5;
}

.hero__journey-cta {
    display: block;
    margin-top: var(--s-3);
    text-align: center;
    background: linear-gradient(135deg, var(--c-primary), #764ba2);
    color: #fff !important;
    font-weight: 700;
    padding: 0.85rem;
    border-radius: var(--r-md);
    text-decoration: none;
    transition: transform var(--t-fast), box-shadow var(--t-fast);
}

.hero__journey-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(91, 110, 234, 0.4);
    color: #fff;
}

/* Slideshow controls */
.hero__controls {
    position: absolute;
    bottom: var(--s-4);
    left: 50%;
    transform: translateX(-50%);
    z-index: 4;
    display: flex;
    align-items: center;
    gap: var(--s-2);
}

.hero__dots {
    display: flex;
    gap: 0.5rem;
}

.hero__dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    border: none;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    padding: 0;
    transition: background var(--t-fast), transform var(--t-fast);
}

.hero__dot.is-active {
    background: #fff;
    transform: scale(1.25);
}

.hero__arrow {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.35);
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    cursor: pointer;
    display: grid;
    place-items: center;
    transition: background var(--t-fast);
}

.hero__arrow:hover {
    background: rgba(255, 255, 255, 0.25);
}

/* ==========================================================================
   STATS BAR
   ========================================================================== */
.stats-bar {
    background: var(--c-surface);
    border-block: 1px solid var(--c-line);
    padding-block: var(--s-5);
    margin-top: -1px;
    position: relative;
    z-index: 5;
}

.stats-bar__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--s-3);
}

@media (min-width: 768px) {
    .stats-bar__grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.stat-card {
    text-align: center;
    padding: var(--s-2);
}

.stat-card__num {
    font-size: clamp(1.75rem, 3.5vw, 2.5rem);
    font-weight: 900;
    color: var(--c-primary);
    line-height: 1;
    margin-bottom: 0.35rem;
}

.stat-card__label {
    font-size: 0.875rem;
    color: var(--c-muted);
    font-weight: 500;
}

/* ==========================================================================
   PURCHASE PATH — aisle layout
   ========================================================================== */
.path-section {
    background: var(--c-surface-alt);
    position: relative;
}

.path-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 100%;
    background: repeating-linear-gradient(
        180deg,
        var(--c-line) 0,
        var(--c-line) 12px,
        transparent 12px,
        transparent 24px
    );
    opacity: 0.5;
    pointer-events: none;
}

.path-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--s-4);
    position: relative;
}

@media (min-width: 768px) {
    .path-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.path-card {
    background: var(--c-surface);
    border: 1px solid var(--c-line);
    border-radius: var(--r-lg);
    padding: var(--s-4);
    text-align: center;
    transition: transform var(--t-normal), box-shadow var(--t-normal), border-color var(--t-normal);
    position: relative;
    overflow: hidden;
}

.path-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    left: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--c-primary), var(--c-accent));
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--t-normal);
}

.path-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
    border-color: rgba(91, 110, 234, 0.3);
}

.path-card:hover::before {
    transform: scaleX(1);
}

.path-card__icon {
    width: 56px;
    height: 56px;
    margin-inline: auto;
    margin-bottom: var(--s-2);
    display: grid;
    place-items: center;
    background: rgba(91, 110, 234, 0.1);
    border-radius: var(--r-md);
    font-size: 1.5rem;
}

.path-card__step {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--c-primary);
    margin-bottom: 0.25rem;
}

.path-card__title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--c-ink);
    margin-bottom: var(--s-1);
}

.path-card__desc {
    font-size: 0.875rem;
    color: var(--c-muted);
    line-height: 1.65;
    margin-bottom: var(--s-3);
}

.path-card__link {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--c-primary);
    text-decoration: none;
}

.path-card__link:hover {
    color: var(--c-primary-dark);
}

/* ==========================================================================
   FEATURES — planogram cards
   ========================================================================== */
.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--s-3);
}

@media (min-width: 576px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 992px) {
    .features-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.feature-tile {
    background: var(--c-surface);
    border: 1px solid var(--c-line);
    border-radius: var(--r-md);
    padding: var(--s-4);
    height: 100%;
    transition: transform var(--t-normal), box-shadow var(--t-normal);
}

.feature-tile:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.feature-tile__icon {
    font-size: 2rem;
    margin-bottom: var(--s-2);
}

.feature-tile__title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--c-ink);
    margin-bottom: 0.5rem;
}

.feature-tile__desc {
    font-size: 0.875rem;
    color: var(--c-muted);
    line-height: 1.65;
}

/* ==========================================================================
   TESTIMONIALS
   ========================================================================== */
.testimonials-section {
    background: var(--c-surface-warm);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--s-3);
}

@media (min-width: 768px) {
    .testimonials-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.testimonial {
    background: var(--c-surface);
    border-radius: var(--r-lg);
    padding: var(--s-4);
    border: 1px solid var(--c-line);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.testimonial__stars {
    color: var(--c-accent);
    font-size: 0.875rem;
    margin-bottom: var(--s-2);
    letter-spacing: 2px;
}

.testimonial__quote {
    font-size: 0.9375rem;
    color: var(--c-ink-soft);
    line-height: 1.75;
    flex: 1;
    margin-bottom: var(--s-3);
}

.testimonial__author {
    display: flex;
    align-items: center;
    gap: var(--s-2);
    padding-top: var(--s-2);
    border-top: 1px solid var(--c-line);
}

.testimonial__avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--c-primary), #764ba2);
    color: #fff;
    display: grid;
    place-items: center;
    font-weight: 700;
    font-size: 0.875rem;
}

.testimonial__name {
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--c-ink);
}

.testimonial__role {
    font-size: 0.8125rem;
    color: var(--c-muted);
}

/* ==========================================================================
   PRICING TEASER — conversion block
   ========================================================================== */
.convert-section {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
    color: #fff;
    position: relative;
    overflow: hidden;
}

.convert-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 48px 48px;
    pointer-events: none;
}

.convert-inner {
    position: relative;
    text-align: center;
    max-width: 720px;
    margin-inline: auto;
}

.convert-inner .ls-title {
    color: #fff;
}

.convert-inner .ls-sub {
    color: rgba(255, 255, 255, 0.75);
}

.convert-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--s-2);
    justify-content: center;
    margin-top: var(--s-4);
}

.btn-convert {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, var(--c-primary), #764ba2);
    color: #fff !important;
    font-weight: 700;
    font-size: 1.05rem;
    padding: 1rem 2rem;
    border-radius: var(--r-full);
    text-decoration: none;
    box-shadow: 0 8px 32px rgba(91, 110, 234, 0.45);
    transition: transform var(--t-fast), box-shadow var(--t-fast);
}

.btn-convert:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(91, 110, 234, 0.55);
    color: #fff;
}

.btn-convert-outline {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: #fff;
    font-weight: 600;
    padding: 1rem 1.75rem;
    border-radius: var(--r-full);
    border: 2px solid rgba(255, 255, 255, 0.35);
    text-decoration: none;
    transition: background var(--t-fast);
}

.btn-convert-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}

.convert-note {
    margin-top: var(--s-3);
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.55);
}

/* ==========================================================================
   Scroll reveal
   ========================================================================== */
[data-reveal] {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

[data-reveal].is-visible {
    opacity: 1;
    transform: translateY(0);
}

[data-reveal-delay="1"] { transition-delay: 0.1s; }
[data-reveal-delay="2"] { transition-delay: 0.2s; }
[data-reveal-delay="3"] { transition-delay: 0.3s; }

/* ==========================================================================
   Responsive — header offset
   ========================================================================== */
@media (max-width: 768px) {
    :root {
        --header-h: var(--header-h-mobile);
    }

    .hero {
        min-height: calc(100svh - 0px);
    }

    .hero__inner {
        padding: var(--s-6) var(--s-2) var(--s-8);
    }

    .ls {
        padding-block: var(--s-8);
    }

    .hero__controls {
        bottom: var(--s-3);
    }

    .hero__arrow {
        display: none;
    }
}

@media (max-width: 480px) {
    :root {
        --container: min(1200px, 100% - 1.25rem);
        --container-wide: min(1320px, 100% - 1.25rem);
    }

    .hero__actions {
        flex-direction: column;
        width: 100%;
    }

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

@media (prefers-reduced-motion: reduce) {
    .hero__slide,
    .hero__slide img,
    [data-reveal] {
        transition: none !important;
        animation: none !important;
    }

    .hero__slide {
        opacity: 0;
    }

    .hero__slide.is-active {
        opacity: 1;
    }

    .hero__slide.is-active img {
        transform: none;
    }
}