/* --- GLOBAL CONFIG --- */
:root {
    --bg-main: #FFFFFF;
    --text-pure: #000000;
    --text-soft: #666666;
    --text-muted: #A0A0A0;
    --accent: #F5F5F7;

    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    --header-h: 90px;

    /* Premium Motion */
    --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
    --ease-cinematic: cubic-bezier(0.8, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-main);
    background-color: var(--bg-main);
    color: var(--text-pure);
    overflow-x: hidden;
    line-height: 1.5;
}

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

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

/* --- HEADER --- */
.global-header {
    width: 100%;
    height: var(--header-h);
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(15px);
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
    padding: 0 4vw;
    display: flex;
    align-items: center;
}

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

.logo a {
    font-size: 14px;
    font-weight: 800;
    letter-spacing: 0.25em;
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    gap: 40px;
    list-style: none;
}

.nav-item {
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-pure);
    position: relative;
    transition: opacity 0.3s var(--ease-bounce);
}

.nav-item:hover {
    opacity: 0.5;
}

/* --- HERO SLIDER --- */
.hp-slider-section {
    position: relative;
    width: 100vw;
    height: 100vh;
    background-color: #000;
    overflow: hidden;
}

.slider-wrapper {
    display: flex;
    width: 300vw;
    height: 100%;
    transition: transform 1.2s var(--ease-cinematic);
}

.slide {
    width: 100vw;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 6vw;
}

.slide-inner {
    width: 100%;
    max-width: 1300px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5vw;
    align-items: center;
}

.slide-text {
    color: white;
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.9s 0.4s var(--ease-bounce);
}

.slide.active .slide-text {
    opacity: 1;
    transform: translateY(0);
}

.slide-status {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.4em;
    color: #444;
    margin-bottom: 30px;
    display: block;
}

.slide-title {
    font-size: clamp(4rem, 8vw, 9rem);
    font-weight: 900;
    letter-spacing: -0.04em;
    line-height: 0.85;
    margin-bottom: 25px;
    margin-left: -4px;
}

.slide-desc {
    font-size: 1.1rem;
    font-weight: 300;
    color: #888;
    max-width: 440px;
    line-height: 1.6;
    margin-bottom: 50px;
}

.btn-store {
    display: inline-flex;
    align-items: center;
    background: #FFFFFF;
    color: #000000;
    padding: 18px 32px;
    border-radius: 4px;
    gap: 15px;
    transition: all 0.4s var(--ease-bounce);
}

.btn-store:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.btn-icon {
    font-size: 20px;
}

.btn-text {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.badge-coming {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.3em;
    color: white;
    opacity: 0.3;
    border-left: 2px solid white;
    padding: 5px 20px;
}

.slide-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transform: scale(0.9) translateX(40px);
    transition: all 1.2s 0.2s var(--ease-bounce);
}

.slide.active .slide-visual {
    opacity: 1;
    transform: scale(1) translateX(0);
}

.mockup-container {
    width: 100%;
    max-width: 440px;
    display: flex;
    justify-content: center;
}

.flagship-mockup .phone-mockup {
    height: 85vh;
    width: auto;
}

.phone-mockup {
    width: 100%;
    height: auto;
    filter: drop-shadow(0 40px 80px rgba(0, 0, 0, 0.9));
}

.slider-nav {
    position: absolute;
    bottom: 50px;
    left: 4vw;
    right: 4vw;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 100;
}

.nav-control {
    width: 50px;
    height: 50px;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    cursor: pointer;
    border-radius: 50%;
    position: relative;
    transition: all 0.4s var(--ease-bounce);
}

.nav-control:hover {
    background: white;
    border-color: white;
    transform: scale(1.1);
}

.nav-control::before {
    content: '';
    width: 8px;
    height: 8px;
    border-top: 1.5px solid white;
    border-right: 1.5px solid white;
    position: absolute;
    top: 50%;
    left: 50%;
}

.nav-control:hover::before {
    border-color: black;
}

.prev::before {
    transform: translate(-30%, -50%) rotate(-135deg);
}

.next::before {
    transform: translate(-70%, -50%) rotate(45deg);
}

.slide-counter {
    color: white;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.4em;
    opacity: 0.4;
}

/* --- ABOUT SECTION --- */
.about-section {
    width: 100vw;
    height: 100vh;
    background: #FFFFFF;
    overflow: hidden;
}

.about-split-container {
    display: flex;
    width: 100%;
    height: 100%;
}

.about-visual-column {
    flex: 1.2;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10vh;
}

.visual-corner-frame {
    position: relative;
    height: 50vh;
    width: auto;
    padding: 40px;
    transition: transform 0.8s var(--ease-bounce);
}

.visual-corner-frame:hover {
    transform: scale(1.05);
}

.corner {
    position: absolute;
    width: 40px;
    height: 40px;
    border: 1.5px solid #000;
}

.corner.tl {
    top: 0;
    left: 0;
    border-right: 0;
    border-bottom: 0;
}

.corner.tr {
    top: 0;
    right: 0;
    border-left: 0;
    border-bottom: 0;
}

.corner.bl {
    bottom: 0;
    left: 0;
    border-right: 0;
    border-top: 0;
}

.corner.br {
    bottom: 0;
    right: 0;
    border-left: 0;
    border-top: 0;
}

.about-brand-img {
    height: 100%;
    width: auto;
    object-fit: contain;
}

.about-content-column {
    flex: 0.8;
    display: flex;
    align-items: center;
    padding: 0 8vw;
}

.about-text-wrapper {
    max-width: 500px;
}

.about-label {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.5em;
    color: #BBB;
    margin-bottom: 30px;
    text-transform: uppercase;
}

.about-headline {
    font-size: clamp(2.5rem, 5vw, 3.8rem);
    font-weight: 700;
    line-height: 1.05;
    letter-spacing: -0.04em;
    margin-bottom: 40px;
    color: #000;
}

.about-body p {
    font-size: 1.15rem;
    line-height: 1.8;
    color: #444;
    font-weight: 300;
    margin-bottom: 50px;
}

.btn-premium {
    display: inline-block;
    padding: 18px 45px;
    background: #000;
    color: #FFF;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    border-radius: 4px;
    transition: all 0.5s var(--ease-bounce);
}

.btn-premium:hover {
    transform: translateY(-6px) scale(1.03);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
    background: #222;
}

/* --- FOOTER --- */
.global-footer {
    padding: 50px 8vw;
    background: #FFF;
    border-top: 1px solid #EEE;
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-left p {
    font-size: 10px;
    color: #BBB;
}

.footer-nav {
    display: flex;
    gap: 30px;
}

.footer-nav a {
    font-size: 10px;
    color: #BBB;
}

.footer-nav a:hover {
    color: #000;
}

/* --- ROBUST MOBILE RESPONSIVENESS (CENTERED) --- */
@media (max-width: 1024px) {
    .slide-inner {
        gap: 3vw;
    }

    .slide-title {
        font-size: clamp(3rem, 6vw, 6rem);
    }
}

@media (max-width: 768px) {
    :root {
        --header-h: 70px;
    }

    /* Header */
    .global-header {
        padding: 0 5vw;
    }

    .header-container {
        justify-content: space-between;
    }

    .nav-links {
        gap: 15px;
    }

    .nav-item {
        font-size: 10px;
    }

    /* Slider Overall */
    .hp-slider-section {
        height: 100vh;
    }

    .slide {
        padding: 90px 8vw 50px;
        flex-direction: column;
        justify-content: flex-start;
        /* Flow from top */
    }

    /* Content Alignment */
    .slide-inner {
        display: flex !important;
        flex-direction: column !important;
        grid-template-columns: none !important;
        align-items: center !important;
        text-align: center !important;
        gap: 30px !important;
        width: 100%;
    }

    /* Force Center for everything inside Slide Text */
    .slide-text {
        order: 2;
        width: 100%;
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        transform: translateY(20px);
        opacity: 1 !important;
        /* Force visible for debug if needed */
    }

    .slide.active .slide-text {
        transform: translateY(0);
    }

    .slide-visual {
        order: 1;
        width: 100%;
        display: flex !important;
        justify-content: center !important;
        margin-bottom: 10px;
        transform: scale(0.85);
    }

    /* Mockup Sizing */
    .flagship-mockup .phone-mockup {
        height: 38vh !important;
        width: auto !important;
    }

    /* Typography */
    .slide-status {
        margin-bottom: 15px;
        font-size: 9px;
    }

    .slide-title {
        font-size: 3.2rem !important;
        margin-left: 0 !important;
        margin-bottom: 15px;
    }

    .slide-desc {
        font-size: 0.9rem;
        margin: 0 auto 25px !important;
        max-width: 300px;
    }

    /* Buttons */
    .slide-actions {
        width: 100%;
        display: flex;
        justify-content: center;
    }

    .btn-store {
        padding: 14px 24px;
        width: auto;
    }

    /* About Section Mobile */
    .about-section {
        height: auto;
        padding: 60px 0;
    }

    .about-split-container {
        flex-direction: column;
    }

    .about-visual-column {
        padding: 30px;
    }

    .visual-corner-frame {
        height: 35vh;
        padding: 20px;
    }

    .corner {
        width: 25px;
        height: 25px;
    }

    .about-content-column {
        padding: 30px;
        text-align: center;
    }

    .about-headline {
        font-size: 2.2rem;
        margin-bottom: 25px;
    }

    .about-body p {
        font-size: 1rem;
        margin-bottom: 35px;
    }

    /* Nav UI */
    .slider-nav {
        bottom: 20px;
        left: 5vw;
        right: 5vw;
    }

    .nav-control {
        width: 40px;
        height: 40px;
    }

    .slide-counter {
        display: none;
    }
}

/* Legal Page Overrides */
.legal-body-container .privacy-strip {
    min-height: auto !important;
    padding: 120px 8vw 60px !important;
}