/* ============================================
   SCALE MASTERMIND — Modern Landing Page
   ============================================ */

/* --- Custom Properties --- */
:root {
    --gold: #fec86d;
    --gold-light: #ffe4a0;
    --gold-dark: #C3843C;
    --gold-glow: rgba(254, 200, 109, 0.15);
    --bg: #071932;
    --bg-alt: #15141A;
    --bg-elevated: #0d2340;
    --text: #f0ebe3;
    --text-muted: #B7B7B9;
    --border: #1a2a3e;
    --font-display: 'Montserrat', sans-serif;
    --font-body: 'Montserrat', sans-serif;
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
    --section-pad: clamp(5rem, 12vh, 9rem);
    --side-pad: clamp(1.5rem, 5vw, 6rem);
}

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

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

body {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
    line-height: 1.7;
    color: var(--text);
    background: var(--bg);
    overflow-x: hidden;
}

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

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

button {
    border: none;
    background: none;
    color: inherit;
    cursor: pointer;
    font-family: inherit;
}

strong {
    font-weight: 600;
    color: var(--gold);
}

/* --- Grain Overlay --- */
.grain {
    position: fixed;
    inset: 0;
    z-index: 9999;
    pointer-events: none;
    opacity: 0.035;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    background-repeat: repeat;
    background-size: 180px;
}

/* --- Navigation --- */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem var(--side-pad);
    transition: background 0.4s ease, padding 0.4s ease, backdrop-filter 0.4s ease;
}

.nav--scrolled {
    background: rgba(7, 25, 50, 0.85);
    backdrop-filter: blur(20px) saturate(1.2);
    -webkit-backdrop-filter: blur(20px) saturate(1.2);
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid rgba(254, 200, 109, 0.08);
}

.nav__logo img {
    height: 28px;
    width: auto;
    transition: transform 0.3s var(--ease-out-expo);
}

.nav__logo:hover img {
    transform: scale(1.08);
}

.nav__cta {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.8rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--bg);
    background: var(--gold);
    padding: 0.65rem 1.5rem;
    border-radius: 100px;
    transition: all 0.3s var(--ease-out-expo);
}

.nav__cta:hover {
    background: var(--gold-light);
    transform: translateY(-1px);
    box-shadow: 0 8px 30px rgba(254, 200, 109, 0.25);
}

/* --- Hero --- */
.hero {
    position: relative;
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    overflow: hidden;
}

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

.hero__bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transform: scale(1.05);
    animation: heroZoom 20s ease-in-out infinite alternate;
}

@keyframes heroZoom {
    from { transform: scale(1.05); }
    to { transform: scale(1.15); }
}

.hero__overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
    background:
        linear-gradient(to bottom,
            rgba(7, 25, 50, 0.15) 0%,
            rgba(7, 25, 50, 0.05) 30%,
            rgba(7, 25, 50, 0.3) 60%,
            rgba(7, 25, 50, 0.95) 90%,
            rgba(7, 25, 50, 1) 100%
        );
}

.hero__content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 0 var(--side-pad);
    padding-bottom: clamp(4rem, 8vh, 7rem);
    animation: heroFadeIn 1.2s var(--ease-out-expo) 0.3s both;
}

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

.hero__logo-mobile {
    display: none;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.hero__tagline {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: clamp(1.1rem, 0.9rem + 1vw, 1.6rem);
    color: var(--text);
    letter-spacing: 0.04em;
    margin-bottom: 2.5rem;
    line-height: 1.5;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
}

.hero__scroll {
    display: none;
}

.hero__scroll span {
    display: block;
    width: 1px;
    height: 48px;
    background: linear-gradient(to bottom, var(--gold), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 1; transform: scaleY(1); }
    50% { opacity: 0.4; transform: scaleY(0.6); }
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.875rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 1rem 2.25rem;
    border: 2px solid var(--gold);
    color: var(--gold);
    border-radius: 100px;
    transition: all 0.4s var(--ease-out-expo);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gold);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s var(--ease-out-expo);
    border-radius: inherit;
}

.btn:hover {
    color: var(--bg);
    border-color: var(--gold);
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(254, 200, 109, 0.2);
}

.btn:hover::before {
    transform: scaleX(1);
}

.btn span,
.btn svg {
    position: relative;
    z-index: 1;
}

.btn svg {
    transition: transform 0.3s var(--ease-out-expo);
}

.btn:hover svg {
    transform: translateX(4px);
}

.btn--primary {
    background: var(--gold);
    color: var(--bg);
    border-color: var(--gold);
}

.btn--primary::before {
    background: var(--gold-light);
}

.btn--large {
    font-size: 1rem;
    padding: 1.25rem 3rem;
}

/* --- Marquee --- */
.marquee {
    background: var(--gold);
    padding: 0.9rem 0;
    overflow: hidden;
    position: relative;
}

.marquee__track {
    display: flex;
    align-items: center;
    gap: 0;
    width: max-content;
    animation: marqueeScroll 30s linear infinite;
}

.marquee__track span {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: clamp(0.75rem, 0.6rem + 0.5vw, 1rem);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--bg);
    white-space: nowrap;
    padding: 0 1rem;
}

.marquee__dot {
    display: inline-block;
    width: 6px !important;
    height: 6px;
    background: var(--bg);
    border-radius: 50%;
    flex-shrink: 0;
    padding: 0 !important;
}

@keyframes marqueeScroll {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

/* --- Sections --- */
.section {
    padding: var(--section-pad) var(--side-pad);
    position: relative;
}

.section--alt {
    background: var(--bg-alt);
}

.section__inner {
    max-width: 1280px;
    margin: 0 auto;
}

.section__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(3rem, 5vw, 6rem);
    align-items: center;
}

.section__grid--reverse {
    direction: rtl;
}

.section__grid--reverse > * {
    direction: ltr;
}

.section__text {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.section__label {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--gold);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.section__label::after {
    content: '';
    display: block;
    width: 40px;
    height: 1px;
    background: var(--gold);
}

.section__title {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: clamp(2rem, 1.5rem + 2.5vw, 3.5rem);
    line-height: 1.05;
    letter-spacing: -0.025em;
    color: var(--text);
}

.section__title--large {
    font-size: clamp(2.25rem, 1.5rem + 3.5vw, 4.5rem);
    text-align: center;
    margin-bottom: 0.5rem;
}

.section__title--stat {
    font-size: clamp(1.25rem, 1rem + 1.5vw, 2rem);
    font-weight: 600;
    color: var(--text-muted);
    text-align: center;
    line-height: 1.4;
}

.section__body {
    font-weight: 400;
    color: var(--text-muted);
    line-height: 1.8;
    font-size: clamp(0.95rem, 0.9rem + 0.2vw, 1.1rem);
}

.section__body--centered {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.section__centered {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.section__media {
    position: relative;
}

.section__img-wrap {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    aspect-ratio: 3 / 2;
    background: var(--bg-elevated);
}

.section__img-wrap::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 12px;
    border: 1px solid rgba(254, 200, 109, 0.1);
    pointer-events: none;
}

.section__img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s var(--ease-out-expo);
}

.section__img-wrap:hover img {
    transform: scale(1.04);
}

/* --- Stat --- */
.stat {
    display: flex;
    align-items: baseline;
    gap: 0.25rem;
    margin-bottom: 0.5rem;
}

.stat__number {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: clamp(5rem, 4rem + 6vw, 12rem);
    line-height: 1;
    color: var(--gold);
    letter-spacing: -0.03em;
}

.stat__symbol {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(2rem, 1.5rem + 2vw, 4rem);
    color: var(--gold);
}

.section--stat {
    background: var(--bg-alt);
    position: relative;
    overflow: hidden;
}

.section--stat::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(254, 200, 109, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

/* --- Video Embed --- */
.video-embed {
    width: 100%;
    max-width: 900px;
    margin: 1rem auto 0;
    border-radius: 16px;
    overflow: hidden;
    position: relative;
    aspect-ratio: 16 / 9;
    background: var(--bg-elevated);
    border: 1px solid rgba(254, 200, 109, 0.1);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.video-embed iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: none;
}

/* --- CTA Section --- */
.cta {
    padding: var(--section-pad) var(--side-pad);
    position: relative;
    overflow: hidden;
    background: var(--bg);
}

.cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 1px;
    height: 80px;
    background: linear-gradient(to bottom, transparent, var(--gold));
}

.cta__inner {
    max-width: 780px;
    margin: 0 auto;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    padding-top: 2rem;
}

.cta__eyebrow {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.8rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--gold);
}

.cta__title {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: clamp(2rem, 1.5rem + 3vw, 4rem);
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: var(--text);
    max-width: 700px;
}

.cta__body {
    color: var(--text-muted);
    font-size: clamp(1rem, 0.95rem + 0.2vw, 1.15rem);
    line-height: 1.7;
    max-width: 600px;
}

.cta__body--highlight {
    color: var(--gold);
    font-weight: 500;
    font-size: clamp(1.1rem, 1rem + 0.3vw, 1.35rem);
    margin-top: 0.5rem;
}

.cta .btn {
    margin-top: 1rem;
}

/* --- Footer --- */
.footer {
    padding: 3rem var(--side-pad);
    background: var(--bg);
    border-top: 1px solid var(--border);
}

.footer__inner {
    max-width: 1280px;
    margin: 0 auto;
}

.footer__top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2rem;
}

.footer__logo {
    height: 30px;
    width: auto;
    opacity: 0.5;
    transition: opacity 0.3s ease;
}

.footer__logo:hover {
    opacity: 0.9;
}

.footer__social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border: 1px solid var(--border);
    border-radius: 50%;
    color: var(--text-muted);
    transition: all 0.3s ease;
}

.footer__social a:hover {
    color: var(--gold);
    border-color: var(--gold);
    transform: translateY(-2px);
}

.footer__divider {
    height: 1px;
    background: var(--border);
    margin-bottom: 1.5rem;
}

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

.footer__links {
    display: flex;
    gap: 2rem;
}

.footer__links a {
    font-size: 0.8rem;
    color: var(--text-muted);
    transition: color 0.3s ease;
    letter-spacing: 0.02em;
}

.footer__links a + a::before {
    content: '|';
    margin-right: 2rem;
    color: var(--border);
    pointer-events: none;
}

.footer__links a:hover {
    color: var(--gold);
}

.footer__top-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 1px solid var(--border) !important;
    border-radius: 50%;
    color: var(--text-muted);
    transition: all 0.3s ease;
}

.footer__top-btn:hover {
    color: var(--gold);
    border-color: var(--gold) !important;
    transform: translateY(-3px);
}

/* --- Scroll Reveal --- */
.reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.9s var(--ease-out-expo), transform 0.9s var(--ease-out-expo);
}

.reveal--delay {
    transition-delay: 0.2s;
}

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

/* --- Responsive --- */

/* Tablet */
@media (max-width: 968px) {
    .section__grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .section__grid--reverse {
        direction: ltr;
    }

    .section__img-wrap {
        aspect-ratio: 16 / 10;
    }

    .video-embed {
        border-radius: 12px;
    }

    /* Hero: show logo image, hide bg logo */
    .hero {
        align-items: center;
    }

    .hero__overlay {
        background:
            linear-gradient(to bottom,
                rgba(7, 25, 50, 0.6) 0%,
                rgba(7, 25, 50, 0.85) 40%,
                rgba(7, 25, 50, 0.95) 70%,
                rgba(7, 25, 50, 1) 100%
            );
    }

    .hero__content {
        padding-bottom: clamp(3rem, 6vh, 5rem);
        margin-top: 0;
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .hero__logo-mobile {
        display: block;
        width: clamp(240px, 55vw, 400px);
        height: auto;
        margin-bottom: 2rem;
        filter: drop-shadow(0 4px 30px rgba(254, 200, 109, 0.2));
    }
}

/* Mobile */
@media (max-width: 600px) {
    :root {
        --section-pad: clamp(3rem, 8vh, 4.5rem);
        --side-pad: 1.25rem;
    }

    /* Nav */
    .nav {
        padding: 1rem var(--side-pad);
    }

    .nav__logo img {
        height: 20px;
    }

    .nav__cta {
        font-size: 0.65rem;
        padding: 0.5rem 1rem;
        letter-spacing: 0.06em;
    }

    .nav--scrolled {
        padding-top: 0.6rem;
        padding-bottom: 0.6rem;
    }

    /* Hero */
    .hero__bg img {
        object-position: center center;
    }

    .hero__tagline {
        font-size: 1rem;
    }

    .hero__tagline br {
        display: none;
    }

    .btn {
        font-size: 0.8rem;
        padding: 0.85rem 1.75rem;
        gap: 0.5rem;
    }

    .btn svg {
        width: 16px;
        height: 16px;
    }

    /* Marquee */
    .marquee {
        padding: 0.65rem 0;
    }

    .marquee__track span {
        font-size: 0.65rem;
        padding: 0 0.6rem;
    }

    .marquee__dot {
        width: 4px !important;
        height: 4px;
    }

    /* Sections */
    .section__label {
        font-size: 0.7rem;
    }

    .section__label::after {
        width: 24px;
    }

    .section__title {
        font-size: 1.75rem;
    }

    .section__title--large {
        font-size: 1.5rem;
    }

    .section__title--stat {
        font-size: 1.1rem;
    }

    .section__body {
        font-size: 0.9rem;
        line-height: 1.7;
    }

    .section__img-wrap {
        border-radius: 8px;
        aspect-ratio: 4 / 3;
    }

    .section__img-wrap::after {
        border-radius: 8px;
    }

    /* Stat */
    .stat__number {
        font-size: 4.5rem;
    }

    .stat__symbol {
        font-size: 1.75rem;
    }

    /* Video */
    .video-embed {
        border-radius: 10px;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    }

    /* CTA */
    .cta__title {
        font-size: 1.6rem;
    }

    .cta__body {
        font-size: 0.9rem;
    }

    .btn--large {
        font-size: 0.8rem;
        padding: 0.9rem 1.75rem;
    }

    .btn--large svg {
        width: 18px;
        height: 18px;
    }

    /* Footer */
    .footer {
        padding: 2rem var(--side-pad);
    }

    .footer__top {
        flex-direction: column;
        gap: 1.25rem;
        margin-bottom: 1.5rem;
    }

    .footer__logo {
        height: 22px;
    }

    .footer__bottom {
        flex-direction: column;
        gap: 1.25rem;
    }

    .footer__links {
        flex-direction: column;
        align-items: center;
        gap: 0.6rem;
    }

    .footer__links a + a::before {
        display: none;
    }

    .footer__links a {
        font-size: 0.75rem;
    }
}

/* Very small screens */
@media (max-width: 380px) {
    .hero__tagline {
        font-size: 0.9rem;
    }

    .section__title {
        font-size: 1.5rem;
    }

    .stat__number {
        font-size: 3.5rem;
    }

    .cta__title {
        font-size: 1.4rem;
    }
}