/* ============================================================
   Theevy Emails — Main Stylesheet
   ============================================================ */

/* ------------------------------------------------------------
   Custom Properties
   ------------------------------------------------------------ */
:root {
    --color-bg:           #0a0a0f;
    --color-surface:      #12121a;
    --color-border:       #1e1e2e;
    --color-accent:       #7c5cfc;
    --color-accent-teal:  #4fd1c5;
    --color-text:         #e8e8f0;
    --color-muted:        #8888aa;

    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
                 Helvetica, Arial, sans-serif, "Apple Color Emoji";

    --radius-sm:  6px;
    --radius-md:  12px;
    --radius-lg:  18px;

    --transition: 0.22s ease;

    --max-width:  1140px;
    --content-width: 760px;
}

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

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

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.65;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

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

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

a:hover {
    color: var(--color-accent-teal);
}

ul, ol {
    list-style: none;
}

h1, h2, h3, h4, h5, h6 {
    line-height: 1.25;
    font-weight: 700;
    color: var(--color-text);
}

p {
    color: var(--color-muted);
}

main {
    flex: 1;
}

/* ------------------------------------------------------------
   Utility
   ------------------------------------------------------------ */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin-inline: auto;
    padding-inline: 20px;
}

.content-container {
    width: 100%;
    max-width: var(--content-width);
    margin-inline: auto;
    padding-inline: 20px;
}

.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;
}

/* ------------------------------------------------------------
   Buttons
   ------------------------------------------------------------ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-weight: 600;
    font-family: var(--font-sans);
    cursor: pointer;
    border: 2px solid transparent;
    transition: background var(--transition), color var(--transition),
                border-color var(--transition), box-shadow var(--transition),
                transform var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

.btn:active {
    transform: scale(0.97);
}

.btn-primary {
    background: var(--color-accent);
    color: #fff;
    border-color: var(--color-accent);
}

.btn-primary:hover {
    background: #6a49e8;
    border-color: #6a49e8;
    color: #fff;
    box-shadow: 0 0 22px rgba(124, 92, 252, 0.45);
}

.btn-outline {
    background: transparent;
    color: var(--color-text);
    border-color: var(--color-border);
}

.btn-outline:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    background: rgba(124, 92, 252, 0.07);
}

/* ------------------------------------------------------------
   Header / Nav
   ------------------------------------------------------------ */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

/* Logo */
.site-logo {
    display: flex;
    align-items: center;
    gap: 9px;
    text-decoration: none;
    color: var(--color-text);
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    flex-shrink: 0;
}

.site-logo:hover {
    color: var(--color-accent);
}

.site-logo svg {
    flex-shrink: 0;
}

.site-logo .logo-text {
    color: inherit;
}

/* Desktop Nav */
.site-nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

.site-nav a {
    color: var(--color-muted);
    font-size: 0.9rem;
    font-weight: 500;
    transition: color var(--transition);
    position: relative;
    text-decoration: none;
}

.site-nav a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    border-radius: 2px;
    transition: width var(--transition);
}

.site-nav a:hover {
    color: var(--color-text);
}

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

.site-nav a.active {
    color: var(--color-text);
}

.site-nav a.active::after {
    width: 100%;
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    background: none;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    padding: 0;
    transition: border-color var(--transition);
}

.hamburger:hover {
    border-color: var(--color-accent);
}

.hamburger span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: transform var(--transition), opacity var(--transition);
    transform-origin: center;
}

.hamburger.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.hamburger.open span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.hamburger.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Mobile nav drawer */
.mobile-nav {
    display: none;
    flex-direction: column;
    gap: 0;
    border-top: 1px solid var(--color-border);
    background: var(--color-surface);
    padding: 16px 0;
}

.mobile-nav.open {
    display: flex;
}

.mobile-nav a {
    padding: 12px 24px;
    color: var(--color-muted);
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    border-bottom: 1px solid var(--color-border);
    transition: background var(--transition), color var(--transition);
}

.mobile-nav a:last-child {
    border-bottom: none;
}

.mobile-nav a:hover,
.mobile-nav a.active {
    background: rgba(124, 92, 252, 0.08);
    color: var(--color-accent);
}

/* ------------------------------------------------------------
   Footer
   ------------------------------------------------------------ */
.site-footer {
    border-top: 1px solid var(--color-border);
    background: var(--color-bg);
    padding: 24px 0;
    margin-top: auto;
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.footer-copy {
    color: var(--color-muted);
    font-size: 0.85rem;
}

.footer-links {
    display: flex;
    align-items: center;
    gap: 24px;
}

.footer-links a {
    color: var(--color-muted);
    font-size: 0.85rem;
    text-decoration: none;
    transition: color var(--transition);
}

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

/* ------------------------------------------------------------
   Section Shared
   ------------------------------------------------------------ */
section {
    padding-block: 80px;
}

.section-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 14px;
}

.section-title {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--color-text);
    margin-bottom: 16px;
}

.section-sub {
    font-size: 1.05rem;
    color: var(--color-muted);
    max-width: 560px;
    margin-inline: auto;
    line-height: 1.7;
}

.text-center {
    text-align: center;
}

/* ------------------------------------------------------------
   Hero Section
   ------------------------------------------------------------ */
.hero {
    padding-block: 100px 90px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 80% 50% at 50% -10%,
                rgba(124, 92, 252, 0.18) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: rgba(124, 92, 252, 0.12);
    border: 1px solid rgba(124, 92, 252, 0.3);
    border-radius: 100px;
    color: var(--color-accent);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    margin-bottom: 32px;
}

.hero-badge span.dot {
    width: 6px;
    height: 6px;
    background: var(--color-accent-teal);
    border-radius: 50%;
    animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%       { opacity: 0.5; transform: scale(0.8); }
}

.hero-headline {
    font-size: clamp(2.4rem, 7vw, 4.8rem);
    font-weight: 900;
    letter-spacing: -0.04em;
    line-height: 1.1;
    color: var(--color-text);
    margin-bottom: 24px;
}

.hero-headline .accent {
    color: var(--color-accent);
}

.hero-sub {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--color-muted);
    max-width: 560px;
    margin-inline: auto;
    margin-bottom: 44px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ------------------------------------------------------------
   Stats Bar
   ------------------------------------------------------------ */
.stats-bar {
    padding-block: 0;
    border-block: 1px solid var(--color-border);
    background: var(--color-surface);
}

.stats-inner {
    display: flex;
    align-items: stretch;
    justify-content: center;
}

.stat-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 36px 24px;
    position: relative;
    text-align: center;
}

.stat-item + .stat-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 20%;
    height: 60%;
    width: 1px;
    background: var(--color-border);
}

.stat-value {
    font-size: clamp(1.6rem, 3.5vw, 2.4rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--color-text);
    line-height: 1;
    margin-bottom: 8px;
}

.stat-value .accent {
    color: var(--color-accent);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--color-muted);
    font-weight: 500;
}

/* ------------------------------------------------------------
   Features Section
   ------------------------------------------------------------ */
.features {
    background: var(--color-bg);
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    margin-top: 56px;
}

.feature-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 36px 32px;
    transition: border-color var(--transition), box-shadow var(--transition),
                transform var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
    opacity: 0;
    transition: opacity var(--transition);
}

.feature-card:hover {
    border-color: rgba(124, 92, 252, 0.4);
    box-shadow: 0 8px 40px rgba(124, 92, 252, 0.1);
    transform: translateY(-3px);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon {
    width: 52px;
    height: 52px;
    background: rgba(124, 92, 252, 0.12);
    border: 1px solid rgba(124, 92, 252, 0.2);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    transition: background var(--transition), border-color var(--transition);
}

.feature-card:hover .feature-icon {
    background: rgba(124, 92, 252, 0.2);
    border-color: rgba(124, 92, 252, 0.4);
}

.feature-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 10px;
}

.feature-desc {
    font-size: 0.95rem;
    color: var(--color-muted);
    line-height: 1.65;
}

/* ------------------------------------------------------------
   How It Works
   ------------------------------------------------------------ */
.how-it-works {
    background: var(--color-surface);
    border-block: 1px solid var(--color-border);
}

.steps-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
    margin-top: 56px;
    position: relative;
}

.step {
    display: flex;
    gap: 24px;
    align-items: flex-start;
    padding: 32px 0;
    border-bottom: 1px solid var(--color-border);
    position: relative;
}

.step:last-child {
    border-bottom: none;
}

.step-number {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(124, 92, 252, 0.12);
    border: 1px solid rgba(124, 92, 252, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    font-weight: 800;
    color: var(--color-accent);
    letter-spacing: -0.02em;
}

.step-body {}

.step-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 8px;
}

.step-desc {
    font-size: 0.92rem;
    color: var(--color-muted);
    line-height: 1.65;
}

/* ------------------------------------------------------------
   CTA Banner
   ------------------------------------------------------------ */
.cta-banner {
    background: var(--color-bg);
    text-align: center;
    padding-block: 100px;
    position: relative;
    overflow: hidden;
}

.cta-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 70% 60% at 50% 110%,
                rgba(79, 209, 197, 0.1) 0%, transparent 65%),
                radial-gradient(ellipse 60% 50% at 50% -10%,
                rgba(124, 92, 252, 0.12) 0%, transparent 65%);
    pointer-events: none;
}

.cta-banner .section-title {
    font-size: clamp(1.8rem, 4vw, 3rem);
    margin-bottom: 18px;
}

.cta-banner .section-sub {
    margin-bottom: 40px;
}

/* ------------------------------------------------------------
   Content / Legal Pages
   ------------------------------------------------------------ */
.page-hero {
    padding-block: 60px 0;
    text-align: center;
}

.page-hero .page-title {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 12px;
}

.page-hero .page-date {
    font-size: 0.85rem;
    color: var(--color-muted);
}

.legal-content {
    padding-block: 48px 96px;
}

.legal-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: clamp(28px, 5vw, 56px);
}

.legal-card h2 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text);
    margin-top: 40px;
    margin-bottom: 14px;
    padding-top: 36px;
    border-top: 1px solid var(--color-border);
}

.legal-card h2:first-child {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}

.legal-card p {
    font-size: 0.95rem;
    color: var(--color-muted);
    line-height: 1.75;
    margin-bottom: 14px;
}

.legal-card p:last-child {
    margin-bottom: 0;
}

.legal-card ul {
    list-style: disc;
    padding-left: 24px;
    margin-bottom: 14px;
}

.legal-card ul li {
    color: var(--color-muted);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 6px;
}

.legal-card a {
    color: var(--color-accent);
}

.legal-card a:hover {
    color: var(--color-accent-teal);
}

/* ------------------------------------------------------------
   Responsive — Tablet and up (≥ 640px)
   ------------------------------------------------------------ */
@media (min-width: 640px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ------------------------------------------------------------
   Responsive — Desktop (≥ 900px)
   ------------------------------------------------------------ */
@media (min-width: 900px) {
    /* Nav */
    .hamburger   { display: none; }
    .mobile-nav  { display: none !important; }
    .site-nav    { display: flex; }

    /* Features */
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    /* Steps — horizontal layout */
    .steps-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 0;
    }

    .step {
        flex-direction: column;
        align-items: flex-start;
        padding: 40px 40px;
        border-bottom: none;
        border-right: 1px solid var(--color-border);
    }

    .step:last-child {
        border-right: none;
    }
}

/* ------------------------------------------------------------
   Responsive — Mobile (< 900px)
   ------------------------------------------------------------ */
@media (max-width: 899px) {
    .hamburger { display: flex; }
    .site-nav  { display: none; }

    .stats-inner {
        flex-direction: column;
    }

    .stat-item + .stat-item::before {
        display: none;
    }

    .stat-item {
        border-bottom: 1px solid var(--color-border);
        padding: 28px 24px;
    }

    .stat-item:last-child {
        border-bottom: none;
    }

    .footer-inner {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
}

@media (max-width: 479px) {
    section {
        padding-block: 60px;
    }

    .hero {
        padding-block: 72px 60px;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

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

    .cta-banner {
        padding-block: 72px;
    }
}