/* ==========================================
   Krue App — Landing Page Style
   Inspired by Krue Web Premium Dark UI v2
   ========================================== */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
    --bg-dark:        #07080d;
    --bg-card:        #0d0e15;
    --bg-elevated:    #11121c;
    --bg-input:       #13141d;
    --bg-hover:       #151620;
    --accent:         #6366f1;
    --accent-hover:   #818cf8;
    --accent-glow:    rgba(99,102,241,0.22);
    --accent-gradient: linear-gradient(135deg,#6366f1,#818cf8);
    --text-primary:   #e8eaf6;
    --text-secondary: #8890a8;
    --text-muted:     #3e4259;
    --text-link:      #a5b4fc;
    --text-on-accent: #ffffff;
    --border:         #1d1f2e;
    --shadow:         0 16px 48px rgba(0,0,0,0.6),0 4px 12px rgba(0,0,0,0.4);
    --shadow-sm:      0 4px 16px rgba(0,0,0,0.4);
    --glow:           0 0 20px rgba(99,102,241,0.15);
    --radius-sm:      6px;
    --radius-md:      10px;
    --radius-lg:      16px;
    --radius-xl:      20px;
    --radius-full:    50%;
    --font:           'Plus Jakarta Sans',-apple-system,BlinkMacSystemFont,sans-serif;
    --transition:     0.2s ease;
    --spring:         0.3s cubic-bezier(0.34,1.56,0.64,1);

    --phone-w: 270px;
    --phone-h: 455px;
    --phone-radius: 26px;
}

*,*::before,*::after { margin:0;padding:0;box-sizing:border-box; }

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-dark);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

a { color: var(--text-link);text-decoration:none;transition:color var(--transition); }
a:hover { color: var(--accent-hover); }

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ==========================================
   Header
   ========================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: 72px;
    background: rgba(7,8,13,0.88);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition: all var(--transition);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.header__logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-primary);
    font-weight: 800;
    font-size: 1.3rem;
    letter-spacing: -0.02em;
    text-decoration: none;
}

.header__logo-img {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    object-fit: contain;
    flex-shrink: 0;
}

.header__nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.header__link {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    transition: all var(--transition);
    font-size: 0.85rem;
    font-weight: 500;
    text-decoration: none;
}

.header__link:hover {
    color: var(--text-primary);
    background: var(--bg-hover);
}

.header__btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 22px;
    background: var(--accent-gradient);
    color: var(--text-on-accent);
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font);
    font-size: 0.85rem;
    font-weight: 700;
    cursor: pointer;
    text-decoration: none;
    transition: all var(--spring);
    box-shadow: 0 4px 14px rgba(99,102,241,0.3);
    letter-spacing: -0.01em;
}

.header__btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(99,102,241,0.45);
    color: #fff;
}

.header__btn i {
    font-size: 1rem;
}

/* ==========================================
   Hero
   ========================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle,rgba(99,102,241,0.08),transparent 70%);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle,rgba(129,140,248,0.06),transparent 70%);
    pointer-events: none;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero__content { max-width: 540px; }

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: rgba(99,102,241,0.1);
    border: 1px solid rgba(99,102,241,0.2);
    border-radius: 20px;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-link);
    margin-bottom: 24px;
    letter-spacing: 0.02em;
}

.hero__title {
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 20px;
}

.hero__title span {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__subtitle {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 36px;
    max-width: 460px;
}

.hero__actions {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.hero__btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    background: var(--accent-gradient);
    color: var(--text-on-accent);
    border: none;
    border-radius: var(--radius-lg);
    font-family: var(--font);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    text-decoration: none;
    transition: all var(--spring);
    box-shadow: 0 8px 24px rgba(99,102,241,0.35);
    letter-spacing: -0.01em;
}

.hero__btn:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 12px 36px rgba(99,102,241,0.5);
    color: #fff;
}

.hero__btn svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.hero__btn--secondary {
    background: transparent;
    border: 1px solid var(--border);
    box-shadow: none;
    color: var(--text-secondary);
}

.hero__btn--secondary:hover {
    background: var(--bg-hover);
    border-color: var(--accent);
    color: var(--text-primary);
    transform: translateY(-2px);
    box-shadow: var(--glow);
}

.hero__stats {
    display: flex;
    gap: 32px;
    margin-top: 48px;
}

.hero__stat-value {
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.hero__stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
    margin-top: 2px;
}

/* Hero Phone Mockup */
.hero__phone {
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-mockup {
    width: var(--phone-w);
    height: var(--phone-h);
    background: #000;
    border-radius: var(--phone-radius);
    padding: 10px;
    box-shadow:
        0 0 0 1px rgba(255,255,255,0.06),
        0 30px 80px rgba(0,0,0,0.6),
        0 10px 30px rgba(0,0,0,0.4);
    position: relative;
    flex-shrink: 0;
}

.phone-mockup__screen {
    width: 100%;
    height: 100%;
    border-radius: calc(var(--phone-radius) - 10px);
    background: var(--bg-dark);
    overflow: hidden;
    position: relative;
}

.phone-mockup__notch {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 26px;
    background: #000;
    border-radius: 0 0 16px 16px;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.phone-mockup__notch::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #1a1a2e;
    border: 1px solid #2a2a3e;
}

.phone-mockup--screenshot .phone-mockup__notch,
.phone-mockup--screenshot .phone-status {
    display: none;
}

.phone-mockup--screenshot .phone-screen {
    padding: 6px;
}

.phone-mockup__image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center top;
    border-radius: calc(var(--phone-radius) - 10px);
    display: block;
    background: #000;
}

/* Phone screen content */
.phone-screen {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    padding: 32px 0 0;
}

.phone-status {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 4px 16px 8px;
    font-size: 0.65rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.phone-status__time { font-weight: 700; }
.phone-status__icons { display: flex; gap: 4px; font-size: 0.6rem; }

/* ==========================================
   Features
   ========================================== */
.features {
    padding: 100px 0;
    position: relative;
}

.features__header {
    text-align: center;
    margin-bottom: 80px;
}

.features__label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: rgba(99,102,241,0.1);
    border: 1px solid rgba(99,102,241,0.2);
    border-radius: 20px;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-link);
    margin-bottom: 20px;
}

.features__title {
    font-size: clamp(1.8rem, 3.5vw, 2.6rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 16px;
}

.features__subtitle {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 560px;
    margin: 0 auto;
}

.feature-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 100px;
}

.feature-block:last-child { margin-bottom: 0; }

.feature-block--reverse .feature-block__text {
    order: 2;
}

.feature-block--reverse .feature-block__visual {
    order: 1;
}

.feature-block__icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-lg);
    background: rgba(99,102,241,0.1);
    border: 1px solid rgba(99,102,241,0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    margin-bottom: 20px;
    color: var(--accent);
}

.feature-block__number {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.feature-block__title {
    font-size: clamp(1.3rem, 2.5vw, 1.8rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 14px;
}

.feature-block__desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 24px;
    max-width: 420px;
}

.feature-block__visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

/* ==========================================
   Feature Phone Screens — In-App Mockups
   ========================================== */

/* ==========================================
   CTA Section
   ========================================== */
.cta {
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle,rgba(99,102,241,0.06),transparent 60%);
    pointer-events: none;
}

.cta__card {
    position: relative;
    z-index: 1;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 64px;
    text-align: center;
    max-width: 720px;
    margin: 0 auto;
    box-shadow: var(--shadow);
}

.cta__title {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 16px;
}

.cta__subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 36px;
    max-width: 460px;
    margin-left: auto;
    margin-right: auto;
}

.cta__actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.cta__btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 36px;
    background: var(--accent-gradient);
    color: var(--text-on-accent);
    border: none;
    border-radius: var(--radius-lg);
    font-family: var(--font);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    text-decoration: none;
    transition: all var(--spring);
    box-shadow: 0 8px 24px rgba(99,102,241,0.35);
}

.cta__btn:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 12px 36px rgba(99,102,241,0.5);
    color: #fff;
}

.cta__btn svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.cta__btn--secondary {
    background: transparent;
    border: 1px solid var(--border);
    box-shadow: none;
    color: var(--text-secondary);
}

.cta__btn--secondary:hover {
    background: var(--bg-hover);
    border-color: var(--accent);
    color: var(--text-primary);
    box-shadow: var(--glow);
}

.cta__info {
    margin-top: 24px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.cta__info svg {
    width: 14px;
    height: 14px;
    vertical-align: middle;
    margin-right: 4px;
}

/* ==========================================
   Footer
   ========================================== */
.footer {
    padding: 48px 0 32px;
    border-top: 1px solid var(--border);
}

.footer__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
}

.footer__brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 1rem;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.footer__logo-img {
    width: 28px;
    height: 28px;
    object-fit: contain;
    flex-shrink: 0;
}

.footer__copy {
    font-size: 0.82rem;
    color: var(--text-muted);
}

.footer__links {
    display: flex;
    gap: 20px;
}

.footer__link {
    font-size: 0.82rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition);
    font-weight: 500;
}

.footer__link:hover { color: var(--text-primary); }

/* ==========================================
   Animations
   ========================================== */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInLeft {
    from { opacity: 0; transform: translateX(-40px); }
    to   { opacity: 1; transform: translateX(0); }
}

@keyframes fadeInRight {
    from { opacity: 0; transform: translateX(40px); }
    to   { opacity: 1; transform: translateX(0); }
}

@keyframes float {
    0%,100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

@keyframes pulseGlow {
    0%,100% { box-shadow: 0 8px 24px rgba(99,102,241,0.35); }
    50% { box-shadow: 0 8px 40px rgba(99,102,241,0.6); }
}

.animate-in {
    opacity: 0;
}

.animate-in.visible {
    animation: fadeInUp 0.6s cubic-bezier(0.22,1,0.36,1) forwards;
}

.animate-in--left.visible {
    animation: fadeInLeft 0.6s cubic-bezier(0.22,1,0.36,1) forwards;
}

.animate-in--right.visible {
    animation: fadeInRight 0.6s cubic-bezier(0.22,1,0.36,1) forwards;
}

.hero__phone .phone-mockup {
    animation: float 6s ease-in-out infinite;
}

.hero__btn {
    animation: pulseGlow 3s ease-in-out infinite;
}

/* Feature block staggered animation */
.feature-block:nth-child(2) .feature-block__text.animate-in { animation-delay: 0.1s; }
.feature-block:nth-child(2) .feature-block__visual.animate-in { animation-delay: 0.2s; }
.feature-block:nth-child(3) .feature-block__text.animate-in { animation-delay: 0.3s; }
.feature-block:nth-child(3) .feature-block__visual.animate-in { animation-delay: 0.4s; }

/* ==========================================
   Responsive
   ========================================== */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero__content {
        max-width: 100%;
    }

    .hero__subtitle {
        max-width: 100%;
        margin-left: auto;
        margin-right: auto;
    }

    .hero__actions {
        justify-content: center;
    }

    .hero__stats {
        justify-content: center;
    }

    .hero__phone {
        display: none;
    }

    :root {
        --phone-w: 230px;
        --phone-h: 384px;
    }
}

@media (max-width: 900px) {
    .feature-block {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
        margin-bottom: 80px;
    }

    .feature-block--reverse .feature-block__text {
        order: 1;
    }

    .feature-block--reverse .feature-block__visual {
        order: 2;
    }

    .feature-block__desc {
        max-width: 100%;
        margin-left: auto;
        margin-right: auto;
    }

    .feature-block__icon {
        margin-left: auto;
        margin-right: auto;
    }

    .feature-block__visual {
        order: -1;
    }

    .footer__inner {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 600px) {
    .header {
        height: 64px;
    }

    .header__nav .header__link {
        display: none;
    }

    .header__btn span {
        display: none;
    }

    .header__btn {
        padding: 10px 14px;
    }

    .hero {
        padding: 100px 0 60px;
    }

    .hero__title {
        font-size: clamp(1.8rem, 8vw, 2.5rem);
    }

    .hero__stats {
        gap: 20px;
        flex-wrap: wrap;
    }

    .features {
        padding: 60px 0;
    }

    .features__header {
        margin-bottom: 48px;
    }

    .cta__card {
        padding: 40px 24px;
    }

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

    .cta__btn {
        width: 100%;
        justify-content: center;
    }

    .container {
        padding: 0 16px;
    }

    :root {
        --phone-w: 190px;
        --phone-h: 312px;
        --phone-radius: 20px;
    }
}