/* =========================
   VARIABLES
========================= */

:root {
    --grimorio-bg-main: #232a33;
    --grimorio-bg-secondary: #2b333d;
    --grimorio-bg-card: #303945;
    --grimorio-bg-deep: #1a2027;

    --grimorio-text-main: #f2eee7;
    --grimorio-text-secondary: #b8b3ac;

    --grimorio-gold: #d8b86a;
    --grimorio-gold-dark: #b9924a;
    --grimorio-gold-soft: rgba(216, 184, 106, 0.14);

    --grimorio-red: #9f2f3f;

    --grimorio-border: rgba(255, 255, 255, 0.08);

    --grimorio-radius-small: 14px;
    --grimorio-radius-medium: 22px;
    --grimorio-radius-large: 34px;

    --grimorio-max-width: 1180px;

    --grimorio-transition: 0.3s ease;
}


/* =========================
   RESET
========================= */

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

html {
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;

    overflow-x: hidden;

    font-family: "Inter", sans-serif;

    color: var(--grimorio-text-main);

    background:
        radial-gradient(
            circle at top right,
            rgba(216, 184, 106, 0.08),
            transparent 30%
        ),
        radial-gradient(
            circle at 10% 20%,
            rgba(159, 47, 63, 0.06),
            transparent 28%
        ),
        var(--grimorio-bg-main);

    line-height: 1.6;
}

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

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

button {
    font-family: inherit;
}

a,
button {
    -webkit-tap-highlight-color: transparent;
}


/* =========================
   ACCESIBILIDAD
========================= */

a:focus-visible,
button:focus-visible,
summary:focus-visible {
    outline: 2px solid var(--grimorio-gold);
    outline-offset: 4px;
}

section {
    scroll-margin-top: 30px;
}


/* =========================
   NAVBAR
========================= */

.grimorio-navbar {
    width: min(92%, var(--grimorio-max-width));
    height: 82px;

    margin: 0 auto;

    display: flex;
    align-items: center;
    justify-content: space-between;

    position: relative;

    z-index: 100;
}


/* =========================
   REDWING BRAND
========================= */

.studio-brand {
    display: flex;
    align-items: center;

    gap: 12px;
}

.studio-brand img {
    width: 44px;
    height: 44px;

    flex-shrink: 0;

    object-fit: contain;

    border-radius: 13px;
}

.studio-brand > div {
    display: flex;
    flex-direction: column;

    line-height: 1;
}

.studio-name {
    font-size: 15px;
    font-weight: 700;
}

.studio-subtitle {
    margin-top: 5px;

    color: var(--grimorio-text-secondary);

    font-size: 11px;

    letter-spacing: 2px;

    text-transform: uppercase;
}


/* =========================
   NAV LINKS
========================= */

.grimorio-nav-links {
    display: flex;
    align-items: center;

    gap: 32px;
}

.grimorio-nav-links a {
    position: relative;

    color: var(--grimorio-text-secondary);

    font-size: 14px;
    font-weight: 500;

    transition:
        color var(--grimorio-transition);
}

.grimorio-nav-links a:hover {
    color: var(--grimorio-gold);
}

.grimorio-nav-links a::after {
    content: "";

    width: 0;
    height: 1px;

    position: absolute;

    left: 0;
    bottom: -5px;

    background: var(--grimorio-gold);

    transition:
        width var(--grimorio-transition);
}

.grimorio-nav-links a:hover::after {
    width: 100%;
}


/* =========================
   MOBILE MENU BUTTON
========================= */

.grimorio-menu-button {
    width: 42px;
    height: 42px;

    display: none;

    justify-content: center;
    align-items: center;

    border: 1px solid transparent;

    border-radius: 12px;

    background: transparent;

    color: var(--grimorio-text-main);

    font-size: 25px;

    cursor: pointer;

    transition:
        background var(--grimorio-transition),
        border-color var(--grimorio-transition);
}

.grimorio-menu-button:hover {
    background: rgba(255, 255, 255, 0.04);

    border-color: var(--grimorio-border);
}


/* =========================
   HERO
========================= */

.grimorio-hero {
    width: min(92%, var(--grimorio-max-width));

    min-height: calc(100vh - 82px);

    margin: 0 auto;

    display: grid;
    grid-template-columns: 1.05fr 0.95fr;

    align-items: center;

    gap: 80px;

    padding: 70px 0 110px;
}


/* =========================
   HERO COPY
========================= */

.grimorio-hero-copy {
    max-width: 650px;
}

.grimorio-eyebrow {
    display: inline-block;

    margin-bottom: 18px;

    color: var(--grimorio-gold);

    font-size: 12px;
    font-weight: 700;

    letter-spacing: 2.6px;
}

.grimorio-hero h1 {
    font-family: "Cinzel", serif;

    font-size: clamp(48px, 6vw, 78px);

    line-height: 1.05;

    font-weight: 600;
}

.grimorio-hero h1 span {
    display: block;

    color: var(--grimorio-text-secondary);

    font-weight: 500;
}

.grimorio-hero h1 strong {
    display: block;

    color: var(--grimorio-gold);

    font-weight: 600;
}

.grimorio-hero-copy > p {
    max-width: 590px;

    margin-top: 28px;

    color: var(--grimorio-text-secondary);

    font-family: "Cormorant Garamond", serif;

    font-size: 22px;
}


/* =========================
   BUTTONS
========================= */

.grimorio-actions {
    display: flex;
    flex-wrap: wrap;

    gap: 14px;

    margin-top: 38px;
}

.grimorio-button {
    min-height: 50px;

    padding: 0 24px;

    display: inline-flex;
    justify-content: center;
    align-items: center;

    border-radius: 14px;

    font-size: 14px;
    font-weight: 600;

    transition:
        transform var(--grimorio-transition),
        background var(--grimorio-transition),
        border-color var(--grimorio-transition),
        box-shadow var(--grimorio-transition);
}

.grimorio-button.primary {
    color: #1c1b18;

    background:
        linear-gradient(
            135deg,
            var(--grimorio-gold),
            var(--grimorio-gold-dark)
        );

    box-shadow:
        0 14px 35px rgba(216, 184, 106, 0.16);
}

a.grimorio-button.primary:hover {
    transform: translateY(-3px);

    box-shadow:
        0 18px 42px rgba(216, 184, 106, 0.24);
}

.grimorio-button.secondary {
    border: 1px solid var(--grimorio-border);

    background: rgba(255, 255, 255, 0.03);

    color: var(--grimorio-text-main);
}

.grimorio-button.secondary:hover {
    background: rgba(255, 255, 255, 0.07);

    border-color: rgba(255, 255, 255, 0.13);
}


/* Botón visual mientras Grimorio no esté publicado */

.coming-soon {
    cursor: default;
    user-select: none;
}


/* =========================
   HERO VISUAL
========================= */

.grimorio-hero-visual {
    width: 100%;
    max-width: 520px;

    min-height: 620px;

    margin: 0 auto;

    position: relative;

    display: flex;
    justify-content: center;
    align-items: center;
}


/* GLOW */

.grimorio-hero-visual::before {
    content: "";

    width: 390px;
    height: 390px;

    position: absolute;

    border-radius: 50%;

    background:
        radial-gradient(
            circle,
            rgba(216, 184, 106, 0.18),
            rgba(216, 184, 106, 0.05) 45%,
            transparent 70%
        );

    filter: blur(8px);

    pointer-events: none;
}


/* =========================
   PHONE
========================= */

.phone-frame {
    width: 285px;
    height: 570px;

    padding: 8px;

    position: relative;

    z-index: 2;

    border-radius: 40px;

    background:
        linear-gradient(
            145deg,
            #e8e3da,
            #bcb6ac
        );

    border:
        1px solid rgba(255, 255, 255, 0.16);

    box-shadow:
        0 35px 70px rgba(0, 0, 0, 0.35);
}


/* Cámara / bocina superior */

.phone-frame::before {
    content: "";

    width: 72px;
    height: 18px;

    position: absolute;

    top: 13px;
    left: 50%;

    transform: translateX(-50%);

    z-index: 4;

    border-radius: 999px;

    background: #14181d;
}

.phone-screen {
    width: 100%;
    height: 100%;

    overflow: hidden;

    border-radius: 32px;

    background: var(--grimorio-bg-secondary);
}

.grimorio-screenshot {
    width: 100%;
    height: 100%;

    object-fit: cover;
    object-position: top center;
}


/* =========================
   FLOATING TAGS
========================= */

.floating-tag {
    position: absolute;

    z-index: 3;

    padding: 12px 16px;

    border-radius: 14px;

    color: var(--grimorio-text-secondary);

    background:
        rgba(43, 51, 61, 0.86);

    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);

    border:
        1px solid var(--grimorio-border);

    box-shadow:
        0 18px 45px rgba(0, 0, 0, 0.26);

    font-size: 13px;
}

.tag-library {
    top: 120px;
    left: 35px;
}

.tag-reading {
    top: 260px;
    right: 25px;
}

.tag-characters {
    left: 30px;
    bottom: 120px;
}


/* =========================
   GENERAL SECTIONS
========================= */

.grimorio-section {
    width: min(92%, var(--grimorio-max-width));

    margin: 0 auto;

    padding: 110px 0;
}

.section-heading {
    max-width: 710px;

    margin-bottom: 52px;
}

.section-heading h2,
.intro-grid h2,
.philosophy-box h2,
.final-cta-box h2 {
    font-family: "Cinzel", serif;

    font-size: clamp(35px, 4vw, 54px);

    line-height: 1.14;

    font-weight: 600;
}


/* =========================
   INTRO
========================= */

.intro-section {
    border-top:
        1px solid var(--grimorio-border);
}

.intro-grid {
    display: grid;

    grid-template-columns:
        0.9fr 1.1fr;

    gap: 90px;

    align-items: start;
}

.intro-copy {
    padding-top: 30px;
}

.intro-copy p {
    color: var(--grimorio-text-secondary);

    font-family:
        "Cormorant Garamond",
        serif;

    font-size: 22px;
}

.intro-copy p + p {
    margin-top: 22px;
}


/* =========================
   FEATURES
========================= */

.features-grid {
    display: grid;

    grid-template-columns:
        repeat(2, 1fr);

    gap: 22px;
}

.feature-card {
    min-height: 290px;

    position: relative;

    padding: 34px;

    overflow: hidden;

    border-radius:
        var(--grimorio-radius-large);

    border:
        1px solid var(--grimorio-border);

    background:
        linear-gradient(
            145deg,
            var(--grimorio-bg-card),
            var(--grimorio-bg-secondary)
        );

    transition:
        transform var(--grimorio-transition),
        border-color var(--grimorio-transition);
}

.feature-card:hover {
    transform: translateY(-5px);

    border-color:
        rgba(216, 184, 106, 0.19);
}

.feature-main {
    grid-column: span 2;

    min-height: 410px;

    background:
        radial-gradient(
            circle at bottom right,
            rgba(216, 184, 106, 0.14),
            transparent 35%
        ),
        linear-gradient(
            145deg,
            var(--grimorio-bg-card),
            var(--grimorio-bg-secondary)
        );
}

.feature-number {
    color: var(--grimorio-gold);

    font-family: "Cinzel", serif;

    font-size: 13px;
}

.feature-card h3 {
    margin-top: 22px;

    font-family: "Cinzel", serif;

    font-size: 28px;
    font-weight: 600;
}

.feature-card p {
    max-width: 480px;

    margin-top: 16px;

    color: var(--grimorio-text-secondary);
}


/* =========================
   FEATURE IMAGE
========================= */

.feature-image {
    width: 330px;

    position: absolute;

    right: 28px;
    bottom: -100px;

    overflow: hidden;

    transform: rotate(7deg);

    border-radius: 28px;

    box-shadow:
        -20px 30px 55px rgba(0, 0, 0, 0.32);
}

.feature-image img {
    width: 100%;
    height: auto;
}


/* =========================
   SCREENSHOTS
========================= */

.screenshots-section {
    border-top:
        1px solid var(--grimorio-border);
}

.screenshots-grid {
    display: grid;

    grid-template-columns:
        repeat(4, 1fr);

    gap: 18px;

    align-items: start;
}

.screenshot-card {
    height: 390px;

    margin: 0;

    overflow: hidden;

    border-radius: 24px;

    border:
        1px solid var(--grimorio-border);

    background:
        var(--grimorio-bg-secondary);

    box-shadow:
        0 25px 55px rgba(0, 0, 0, 0.22);

    transition:
        transform var(--grimorio-transition),
        border-color var(--grimorio-transition);
}

.screenshot-card:hover {
    transform: translateY(-5px);

    border-color:
        rgba(216, 184, 106, 0.18);
}

.screenshot-card.tall {
    height: 460px;
}

.screenshot-card img {
    width: 100%;
    height: 100%;

    object-fit: cover;
    object-position: top center;
}


/* =========================
   PHILOSOPHY
========================= */

.philosophy-box {
    min-height: 470px;

    padding: 80px;

    display: flex;
    flex-direction: column;
    justify-content: center;

    position: relative;

    overflow: hidden;

    border-radius:
        var(--grimorio-radius-large);

    border:
        1px solid var(--grimorio-border);

    background:
        radial-gradient(
            circle at right,
            rgba(216, 184, 106, 0.14),
            transparent 35%
        ),
        linear-gradient(
            135deg,
            #28313b,
            #202731
        );
}


/* Logo decorativo */

.philosophy-box::after {
    content: "";

    width: 330px;
    height: 330px;

    position: absolute;

    right: 45px;
    bottom: 25px;

    background-image:
        url("../src/icon_app.png");

    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;

    opacity: 0.06;

    pointer-events: none;
}

.philosophy-box h2 {
    max-width: 800px;

    position: relative;

    z-index: 2;
}

.philosophy-box p {
    max-width: 650px;

    margin-top: 24px;

    position: relative;

    z-index: 2;

    color: var(--grimorio-text-secondary);

    font-family:
        "Cormorant Garamond",
        serif;

    font-size: 22px;
}

.philosophy-box .grimorio-eyebrow {
    position: relative;

    z-index: 2;
}


/* =========================
   FAQ
========================= */

.faq-section {
    border-top:
        1px solid var(--grimorio-border);
}

.faq-list {
    max-width: 850px;
}

.faq-list details {
    border-bottom:
        1px solid var(--grimorio-border);
}

.faq-list summary {
    padding: 24px 45px 24px 0;

    position: relative;

    cursor: pointer;

    list-style: none;

    font-family: "Cinzel", serif;

    font-size: 18px;
}

.faq-list summary::-webkit-details-marker {
    display: none;
}

.faq-list summary::after {
    content: "+";

    position: absolute;

    right: 5px;

    color: var(--grimorio-gold);

    font-family: "Inter", sans-serif;

    font-size: 26px;

    transition:
        transform var(--grimorio-transition);
}

.faq-list details[open] summary::after {
    transform: rotate(45deg);
}

.faq-list details p {
    max-width: 680px;

    padding: 0 0 24px;

    color:
        var(--grimorio-text-secondary);
}


/* =========================
   FINAL CTA
========================= */

.final-cta-box {
    padding: 75px;

    text-align: center;

    border-radius:
        var(--grimorio-radius-large);

    border:
        1px solid var(--grimorio-border);

    background:
        radial-gradient(
            circle at center top,
            rgba(216, 184, 106, 0.13),
            transparent 45%
        ),
        var(--grimorio-bg-secondary);
}

.final-cta-box h2 {
    max-width: 760px;

    margin: 0 auto;
}

.final-cta-box p {
    margin:
        22px auto
        32px;

    color:
        var(--grimorio-text-secondary);

    font-family:
        "Cormorant Garamond",
        serif;

    font-size: 21px;
}


/* =========================
   FOOTER
========================= */

.grimorio-footer {
    width:
        min(92%, var(--grimorio-max-width));

    margin: 0 auto;

    padding: 46px 0;

    border-top:
        1px solid var(--grimorio-border);

    display: grid;

    grid-template-columns:
        1fr auto auto;

    align-items: center;

    gap: 40px;
}

.grimorio-footer-brand {
    display: flex;
    align-items: center;

    gap: 14px;
}

.grimorio-footer-brand img {
    width: 42px;
    height: 42px;

    object-fit: contain;

    border-radius: 12px;
}

.grimorio-footer-brand strong {
    font-family: "Cinzel", serif;
}

.grimorio-footer-brand p {
    margin-top: 4px;

    color:
        var(--grimorio-text-secondary);

    font-size: 12px;
}

.grimorio-footer-links {
    display: flex;

    gap: 24px;

    color:
        var(--grimorio-text-secondary);

    font-size: 13px;
}

.grimorio-footer-links a {
    transition:
        color var(--grimorio-transition);
}

.grimorio-footer-links a:hover {
    color: var(--grimorio-gold);
}

.grimorio-copyright {
    color:
        var(--grimorio-text-secondary);

    font-size: 12px;
}


/* =========================
   TABLET
========================= */

@media (max-width: 950px) {

    /* NAV */

    .grimorio-nav-links {
        width: 220px;

        display: none;

        position: absolute;

        top: 72px;
        right: 0;

        padding: 20px;

        flex-direction: column;
        align-items: flex-start;

        gap: 18px;

        border-radius: 18px;

        background:
            rgba(48, 57, 69, 0.97);

        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);

        border:
            1px solid var(--grimorio-border);

        box-shadow:
            0 20px 45px rgba(0, 0, 0, 0.35);
    }

    .grimorio-nav-links.active {
        display: flex;
    }

    .grimorio-nav-links a {
        width: 100%;
    }

    .grimorio-menu-button {
        display: flex;
    }


    /* HERO */

    .grimorio-hero {
        grid-template-columns: 1fr;

        min-height: auto;

        gap: 40px;

        padding-top: 80px;
    }

    .grimorio-hero-visual {
        min-height: 620px;
    }


    /* INTRO */

    .intro-grid {
        grid-template-columns: 1fr;

        gap: 35px;
    }

    .intro-copy {
        padding-top: 0;
    }


    /* FEATURES */

    .features-grid {
        grid-template-columns: 1fr;
    }

    .feature-main {
        grid-column: auto;
    }


    /* SCREENSHOTS */

    .screenshots-grid {
        grid-template-columns:
            repeat(2, 1fr);
    }


    /* FOOTER */

    .grimorio-footer {
        grid-template-columns: 1fr;

        gap: 24px;
    }
}


/* =========================
   MOBILE
========================= */

@media (max-width: 600px) {

    /* NAV */

    .grimorio-navbar {
        height: 72px;
    }

    .studio-brand img {
        width: 40px;
        height: 40px;
    }


    /* HERO */

    .grimorio-hero {
        padding:
            55px 0
            85px;
    }

    .grimorio-hero h1 {
        font-size: 41px;
    }

    .grimorio-hero-copy > p {
        font-size: 19px;
    }

    .grimorio-actions {
        flex-direction: column;
    }

    .grimorio-button {
        width: 100%;
    }


    /* PHONE */

    .grimorio-hero-visual {
        min-height: 520px;
    }

    .grimorio-hero-visual::before {
        width: 300px;
        height: 300px;
    }

    .phone-frame {
        width: 230px;
        height: 470px;

        padding: 7px;

        border-radius: 34px;
    }

    .phone-frame::before {
        width: 60px;
        height: 15px;

        top: 11px;
    }

    .phone-screen {
        border-radius: 27px;
    }


    /* FLOATING TAGS */

    .floating-tag {
        padding: 9px 12px;

        font-size: 11px;
    }

    .tag-library {
        top: 80px;
        left: 0;
    }

    .tag-reading {
        top: 210px;
        right: 0;
    }

    .tag-characters {
        left: 0;
        bottom: 75px;
    }


    /* GENERAL */

    .grimorio-section {
        padding: 80px 0;
    }


    /* FEATURES */

    .feature-card {
        padding: 27px;
    }

    .feature-main {
        min-height: 490px;
    }

    .feature-image {
        width: 240px;

        right: -15px;
        bottom: -40px;
    }


    /* SCREENSHOTS */

    .screenshots-grid {
        grid-template-columns: 1fr;
    }

    .screenshot-card,
    .screenshot-card.tall {
        height: 520px;
    }


    /* PHILOSOPHY */

    .philosophy-box {
        min-height: 420px;

        padding: 48px 26px;
    }

    .philosophy-box::after {
        width: 230px;
        height: 230px;

        right: -25px;
        bottom: 10px;
    }


    /* FINAL CTA */

    .final-cta-box {
        padding: 50px 24px;
    }


    /* FOOTER */

    .grimorio-footer-links {
        flex-wrap: wrap;
    }
}


/* =========================
   VERY SMALL DEVICES
========================= */

@media (max-width: 380px) {

    .grimorio-hero h1 {
        font-size: 36px;
    }

    .phone-frame {
        width: 210px;
        height: 430px;
    }

    .floating-tag {
        font-size: 10px;
    }

    .screenshot-card,
    .screenshot-card.tall {
        height: 470px;
    }
}


/* =========================
   REDUCED MOTION
========================= */

@media (prefers-reduced-motion: reduce) {

    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }
}