/* ============================================================
   SHLJIVA.AI — style.css
   Light · Luxury · Editorial
   Display: Space Grotesk  |  Body: Inter
   ============================================================ */

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

:root {
    --bg:            #FAFAF8;
    --bg-alt:        #F6F3FD;
    --bg-card:       #FFFFFF;

    --purple-deep:   #1E0A6E;
    --purple:        #6B48D5;
    --purple-mid:    #8B6AE8;
    --purple-light:  #C4B4F5;
    --purple-lo:     rgba(107, 72, 213, 0.06);
    --purple-border: rgba(107, 72, 213, 0.14);

    --text:          #1A1230;
    --text-mid:      #44385E;
    --muted:         #7A7295;

    --border-light:  rgba(107, 72, 213, 0.1);
    --shadow-xs:     0 1px 3px rgba(20, 8, 60, 0.05);
    --shadow-sm:     0 2px 12px rgba(20, 8, 60, 0.06), 0 0 0 1px rgba(20, 8, 60, 0.03);
    --shadow-md:     0 8px 32px rgba(107, 72, 213, 0.1);
    --shadow-lg:     0 16px 48px rgba(107, 72, 213, 0.12);

    --r:             14px;
    --r-lg:          22px;
    --max-w:         1120px;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.65;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

img  { max-width: 100%; display: block; }
a    { text-decoration: none; color: inherit; }
ul   { list-style: none; }

/* ---- TYPOGRAPHY ---- */
h1, h2, h3, h4 {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    line-height: 1.16;
    letter-spacing: -0.025em;
    color: var(--text);
}
h1 { font-size: clamp(2.2rem, 5.5vw, 4rem); }
h2 { font-size: clamp(1.9rem, 3.5vw, 2.8rem); }
h3 { font-size: 1.12rem; font-weight: 600; letter-spacing: -0.01em; }

em { font-style: normal; color: var(--purple); }

/* ---- LAYOUT ---- */
.container {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 40px;
}
.section     { padding: 120px 0; }
.section-alt { background: var(--bg-alt); }

/* ---- BUTTONS ---- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    border-radius: 9px;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    font-size: 0.95rem;
    border: 2px solid transparent;
    cursor: pointer;
    transition: box-shadow 0.2s, transform 0.16s, background 0.18s, border-color 0.18s;
    white-space: nowrap;
    text-decoration: none;
}
.btn-primary {
    background: var(--purple);
    color: #fff;
    border-color: var(--purple);
    box-shadow: 0 4px 18px rgba(107, 72, 213, 0.28);
}
.btn-primary:hover {
    background: var(--purple-deep);
    border-color: var(--purple-deep);
    box-shadow: 0 6px 28px rgba(107, 72, 213, 0.4);
    transform: translateY(-2px);
}
.btn-ghost {
    background: transparent;
    border-color: rgba(255, 255, 255, 0.45);
    color: #fff;
}
.btn-ghost:hover {
    border-color: rgba(255, 255, 255, 0.85);
    background: rgba(255, 255, 255, 0.1);
}
.btn-full { width: 100%; }

/* ---- EYEBROW ---- */
.eyebrow {
    display: block;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--purple);
    margin-bottom: 18px;
}

/* ---- SECTION HEAD ---- */
.section-head        { margin-bottom: 64px; }
.section-head h2     { margin-top: 0; }
.section-head.center { text-align: center; }
.section-desc {
    color: var(--muted);
    max-width: 500px;
    margin: 16px auto 0;
    font-size: 1rem;
    line-height: 1.75;
}

/* ---- REVEAL ---- */
.reveal {
    opacity: 0;
    transform: translateY(28px) scale(0.98);
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    transition-delay: var(--stagger, 0ms);
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0) scale(1);
}

/* Section head entrance */
.section-head {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 0.65s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.65s cubic-bezier(0.16, 1, 0.3, 1);
}
.section-head.visible {
    opacity: 1;
    transform: none;
}

@media (prefers-reduced-motion: reduce) {
    .reveal, .section-head { opacity: 1; transform: none; transition: none; }
}

/* ============================
   NAV
   ============================ */
.nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 200;
    padding: 18px 0;
    background: transparent;
    transition: background 0.35s, border-color 0.35s, box-shadow 0.35s;
    border-bottom: 1px solid transparent;
}
.nav.scrolled {
    background: rgba(250, 250, 248, 0.96);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-color: var(--border-light);
    box-shadow: 0 1px 0 rgba(107, 72, 213, 0.05);
}
.nav-inner {
    display: flex;
    align-items: center;
    gap: 36px;
}
.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 1.1rem;
    flex-shrink: 0;
    color: #fff;
    transition: color 0.35s;
}
.nav.scrolled .nav-logo { color: var(--text); }
.nav-logo img { width: 33px; height: 33px; object-fit: contain; }
.accent { color: var(--purple); }

.nav-links {
    display: flex;
    gap: 32px;
    margin-left: auto;
}
.nav-links a {
    font-size: 0.87rem;
    color: rgba(255, 255, 255, 0.72);
    transition: color 0.18s;
}
.nav-links a:hover { color: #fff; }
.nav.scrolled .nav-links a { color: var(--muted); }
.nav.scrolled .nav-links a:hover { color: var(--text); }

.nav-cta { padding: 9px 22px; font-size: 0.87rem; }
.nav:not(.scrolled) .nav-cta {
    background: rgba(255,255,255,0.12);
    border-color: rgba(255,255,255,0.35);
    color: #fff;
    box-shadow: none;
}
.nav:not(.scrolled) .nav-cta:hover {
    background: rgba(255,255,255,0.22);
    border-color: rgba(255,255,255,0.65);
    transform: none;
    box-shadow: none;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
    margin-left: auto;
}
.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: #fff;
    border-radius: 2px;
    transition: transform 0.28s, opacity 0.28s, background 0.35s;
}
.nav.scrolled .nav-toggle span { background: var(--text); }
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ============================
   HERO
   ============================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding-top: 72px;
}
.hero-video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}
.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        160deg,
        rgba(42, 18, 112, 0.72) 0%,
        rgba(20, 10, 60, 0.58) 50%,
        rgba(10, 5, 35, 0.70) 100%
    );
    z-index: 1;
}
.hero-container {
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    padding-top: 20px;
    padding-bottom: 100px;
}
.hero-text {
    text-align: center;
    max-width: 780px;
}
.hero-text .eyebrow {
    color: var(--purple-light);
    text-align: center;
    margin-bottom: 22px;
}
.hero-text h1 { color: #fff; margin-bottom: 22px; }
.hero-text em  { color: var(--purple-light); }
.hero-sub {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.68);
    max-width: 500px;
    margin: 0 auto 44px;
    line-height: 1.75;
}
.hero-ctas {
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
}
.hero-scroll-hint {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    font-size: 0.66rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.38);
}
.scroll-line {
    width: 1px;
    height: 36px;
    background: linear-gradient(to bottom, rgba(255,255,255,0.35), transparent);
}

/* ============================
   PROBLEM — editorial strips
   ============================ */
.problem-strips {
    margin-bottom: 36px;
}
.prob-strip {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: 0 32px;
    align-items: start;
    padding: 44px 0;
    border-top: 1px solid var(--border-light);
    transition: background 0.2s;
}
.prob-strip:last-child {
    border-bottom: 1px solid var(--border-light);
}
.strip-num {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2.6rem;
    font-weight: 700;
    color: rgba(107, 72, 213, 0.14);
    line-height: 1;
    letter-spacing: -0.04em;
    padding-top: 4px;
    transform: translateX(-18px);
    transition: color 0.25s,
                transform 0.65s cubic-bezier(0.16, 1, 0.3, 1) 0.12s;
}
.prob-strip.visible .strip-num {
    transform: translateX(0);
}
.prob-strip:hover .strip-num {
    color: rgba(107, 72, 213, 0.35);
}
.strip-body h3 {
    font-size: 1.15rem;
    margin-bottom: 10px;
    color: var(--text);
}
.strip-body p {
    font-size: 0.92rem;
    color: var(--muted);
    max-width: 540px;
    line-height: 1.7;
}

.problem-result {
    background: var(--purple-lo);
    border: 1px solid var(--purple-border);
    border-radius: var(--r);
    padding: 24px 36px;
    text-align: center;
    font-size: 1rem;
    color: var(--text-mid);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.65;
}
.problem-result strong { color: var(--purple); }

/* ============================
   SOLUTION — 2×2 numbered cards
   ============================ */
.solution-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}
.sol-card {
    background: var(--bg-card);
    border-radius: var(--r);
    padding: 48px 44px;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(107, 72, 213, 0.07);
    transition: box-shadow 0.25s, transform 0.25s, border-color 0.25s;
    position: relative;
    overflow: hidden;
}
.sol-card::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--purple) 0%, var(--purple-light) 100%);
    opacity: 0;
    transition: opacity 0.25s;
}
.sol-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
    border-color: rgba(107, 72, 213, 0.14);
}
.sol-card:hover::after { opacity: 1; }

.sol-num {
    display: block;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--purple);
    opacity: 0.55;
    margin-bottom: 28px;
}
.sol-card h3 {
    font-size: 1.18rem;
    margin-bottom: 12px;
    color: var(--text);
}
.sol-card p {
    font-size: 0.91rem;
    color: var(--muted);
    line-height: 1.72;
}

/* ============================
   BENEFITS
   ============================ */
.benefits-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 104px;
    align-items: center;
}
.benefits-left h2 { margin-bottom: 44px; }

.benefits-list {
    display: flex;
    flex-direction: column;
}
.benefits-list li {
    display: flex;
    gap: 22px;
    align-items: flex-start;
    padding: 24px 0;
    border-bottom: 1px solid rgba(107, 72, 213, 0.09);
    transition: padding-left 0.2s;
}
.benefits-list li:first-child { border-top: 1px solid rgba(107, 72, 213, 0.09); }
.benefits-list li:hover { padding-left: 4px; }

.check {
    width: 26px;
    height: 26px;
    min-width: 26px;
    background: var(--purple-lo);
    border: 1.5px solid var(--purple-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    color: var(--purple);
    font-weight: 700;
    margin-top: 3px;
    flex-shrink: 0;
}
.benefits-list strong {
    display: block;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    margin-bottom: 4px;
    color: var(--text);
}
.benefits-list p {
    font-size: 0.88rem;
    color: var(--muted);
    margin: 0;
    line-height: 1.65;
}
.benefits-right img {
    width: 100%;
    filter: drop-shadow(0 28px 52px rgba(107, 72, 213, 0.16));
}

/* ============================
   PROCESS
   ============================ */
.process-track {
    max-width: 680px;
    margin: 0 auto;
    position: relative;
}
.process-line {
    position: absolute;
    left: 24px;
    top: 26px;
    bottom: 26px;
    width: 1px;
    background: linear-gradient(
        to bottom,
        var(--purple-border) 0%,
        rgba(107, 72, 213, 0.04) 100%
    );
    transform-origin: top center;
    transform: scaleY(0);
    transition: transform 1.6s cubic-bezier(0.16, 1, 0.3, 1) 0.2s;
}
.process-line.animate {
    transform: scaleY(1);
}
.process-step {
    display: flex;
    gap: 36px;
    padding-bottom: 48px;
    position: relative;
}
.process-step:last-child { padding-bottom: 0; }

.step-dot {
    width: 48px;
    height: 48px;
    min-width: 48px;
    background: var(--bg-card);
    border: 1.5px solid var(--purple-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 0.88rem;
    color: var(--purple);
    position: relative;
    z-index: 1;
    flex-shrink: 0;
    box-shadow: 0 0 0 5px rgba(107, 72, 213, 0.05);
    transition: border-color 0.2s, box-shadow 0.2s;
}
.process-step:hover .step-dot {
    border-color: var(--purple);
    box-shadow: 0 0 0 6px rgba(107, 72, 213, 0.08);
}
.step-body { padding-top: 11px; }
.step-body h3 {
    font-size: 1.06rem;
    margin-bottom: 7px;
    color: var(--text);
}
.step-body p {
    font-size: 0.9rem;
    color: var(--muted);
    line-height: 1.68;
}

/* ============================
   CONTACT
   ============================ */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 88px;
    align-items: start;
}
.contact-left h2 { margin-bottom: 16px; }
.contact-left > p {
    color: var(--muted);
    margin-bottom: 40px;
    font-size: 0.97rem;
    line-height: 1.75;
    max-width: 380px;
}
.contact-links {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 52px;
}
.contact-link {
    display: flex;
    align-items: center;
    gap: 14px;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 500;
    font-size: 1rem;
    color: var(--text);
    transition: color 0.18s;
}
.contact-link:hover { color: var(--purple); }
.contact-icon {
    width: 44px;
    height: 44px;
    min-width: 44px;
    background: var(--purple-lo);
    border: 1px solid var(--purple-border);
    border-radius: 11px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--purple);
    transition: background 0.2s, border-color 0.2s;
}
.contact-link:hover .contact-icon {
    background: rgba(107, 72, 213, 0.1);
    border-color: var(--purple);
}
.cta-mascot { width: 150px; }
.cta-mascot img {
    width: 100%;
    filter: drop-shadow(0 14px 36px rgba(107, 72, 213, 0.16));
}

.contact-form {
    background: var(--bg-card);
    border-radius: var(--r-lg);
    padding: 48px;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(107, 72, 213, 0.06);
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.form-group label {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.69rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted);
}
.form-group input,
.form-group textarea {
    background: var(--bg);
    border: 1.5px solid rgba(107, 72, 213, 0.14);
    border-radius: 9px;
    padding: 13px 17px;
    color: var(--text);
    font-family: 'Inter', sans-serif;
    font-size: 0.92rem;
    outline: none;
    transition: border-color 0.18s, box-shadow 0.18s;
    width: 100%;
    resize: vertical;
}
.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--muted);
    opacity: 0.55;
}
.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--purple);
    box-shadow: 0 0 0 3px rgba(107, 72, 213, 0.09);
}
.form-group textarea { min-height: 100px; }

.form-success {
    display: none;
    text-align: center;
    color: var(--purple);
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.92rem;
    font-weight: 600;
    padding: 14px;
    background: var(--purple-lo);
    border: 1px solid var(--purple-border);
    border-radius: 9px;
}
.form-success.show { display: block; }

/* ============================
   FOOTER
   ============================ */
.footer {
    background: var(--text);
    padding: 36px 0;
}
.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
}
.footer-logo {
    display: flex;
    align-items: center;
    gap: 9px;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 0.98rem;
    color: #fff;
}
.footer-logo img {
    width: 26px;
    height: 26px;
    object-fit: contain;
    filter: brightness(0) invert(1);
}
.footer .accent { color: var(--purple-light); }
.footer-copy  { font-size: 0.8rem; color: rgba(255,255,255,0.38); }
.footer-nav   { display: flex; gap: 24px; }
.footer-nav a {
    font-size: 0.83rem;
    color: rgba(255,255,255,0.45);
    transition: color 0.18s;
}
.footer-nav a:hover { color: rgba(255,255,255,0.9); }

/* ============================
   RESPONSIVE — tablet
   ============================ */
@media (max-width: 960px) {
    .nav-links,
    .nav-cta { display: none; }
    .nav-links.open {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: 65px; left: 0; right: 0;
        background: rgba(250, 250, 248, 0.99);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        padding: 28px 40px;
        gap: 22px;
        border-bottom: 1px solid var(--border-light);
        box-shadow: 0 8px 24px rgba(20, 8, 60, 0.07);
        z-index: 190;
    }
    .nav-links.open a {
        font-size: 1.05rem;
        color: var(--text) !important;
    }
    .nav-toggle { display: flex; }

    .prob-strip          { grid-template-columns: 72px 1fr; }
    .solution-grid       { grid-template-columns: 1fr; }
    .sol-card            { padding: 36px 32px; }
    .benefits-layout     { grid-template-columns: 1fr; gap: 0; }
    .benefits-right      { display: none; }
    .contact-grid        { grid-template-columns: 1fr; gap: 48px; }
    .cta-mascot          { display: none; }
    .form-row            { grid-template-columns: 1fr; }
    .contact-form        { padding: 36px; }
}

/* ============================
   RESPONSIVE — mobile
   ============================ */
@media (max-width: 580px) {
    .section         { padding: 80px 0; }
    .container       { padding: 0 20px; }
    .solution-grid   { grid-template-columns: 1fr; }
    .contact-form    { padding: 24px; }
    .footer-inner    { flex-direction: column; align-items: center; text-align: center; }
    .footer-nav      { justify-content: center; }
    .hero-ctas       { flex-direction: column; align-items: center; }
    .hero-ctas .btn  { width: 100%; max-width: 320px; }
    .hero-scroll-hint { display: none; }
    .prob-strip      { grid-template-columns: 56px 1fr; padding: 32px 0; gap: 0 20px; }
    .strip-num       { font-size: 1.8rem; }
    .process-line    { left: 23px; }
}