/* ═══════════════════════════════════════
   SafeYourInbox — Corporate Security
   Light theme · Purple accents
   ═══════════════════════════════════════ */

/* ─── Design Tokens ─── */
:root {
    --bg: #f8f7ff;
    --bg-white: #ffffff;
    --bg-card: #ffffff;
    --bg-dark: #1a1033;
    --bg-dark-subtle: #241845;
    --surface: #f0eeff;
    --border: rgba(100,80,160,0.1);
    --border-hover: rgba(100,80,160,0.2);

    --text-primary: #1a1033;
    --text-secondary: #5c5480;
    --text-muted: #9890b0;
    --text-on-dark: #f0eeff;

    --purple: #7c3aed;
    --purple-light: #a78bfa;
    --purple-dark: #5b21b6;
    --indigo: #6366f1;
    --violet: #8b5cf6;
    --red-accent: #e11d48;
    --green-ok: #10b981;

    --gradient-main: linear-gradient(135deg, #7c3aed 0%, #6366f1 50%, #4f46e5 100%);
    --gradient-hero: linear-gradient(160deg, #f8f7ff 0%, #ede9fe 40%, #ddd6fe 100%);
    --gradient-dark: linear-gradient(160deg, #1a1033 0%, #241845 50%, #312e81 100%);
    --gradient-warm: linear-gradient(135deg, #e11d48, #f59e0b);

    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 22px;
    --radius-xl: 32px;

    --font-body: 'Inter', -apple-system, sans-serif;
    --font-heading: 'Space Grotesk', 'Inter', sans-serif;

    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 16px rgba(100,80,160,0.08);
    --shadow-lg: 0 12px 40px rgba(100,80,160,0.12);
    --shadow-card: 0 1px 3px rgba(0,0,0,0.04), 0 8px 24px rgba(100,80,160,0.06);
}

/* ─── Reset ─── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

body {
    font-family: var(--font-body);
    background: var(--bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ─── NAVBAR ─── */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    padding: 14px 0;
    transition: all 0.3s ease;
    background: rgba(248,247,255,0.7);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

.navbar.scrolled {
    background: rgba(255,255,255,0.92);
    box-shadow: 0 1px 0 var(--border);
    padding: 10px 0;
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-size: 1.25rem;
    letter-spacing: -0.02em;
}

.logo-icon { font-size: 1.5rem; }
.logo-text { color: var(--text-primary); font-weight: 400; }
.logo-text strong { color: var(--purple); font-weight: 700; }

.nav-links {
    display: flex;
    align-items: center;
    gap: 36px;
}

.nav-link {
    font-size: 0.88rem;
    color: var(--text-secondary);
    font-weight: 500;
    transition: color 0.2s;
}

.nav-link:hover { color: var(--purple); }

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    display: block;
    width: 22px; height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s;
}

.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ─── BUTTONS ─── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.9rem;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn--primary {
    background: var(--gradient-main);
    color: #fff;
    box-shadow: 0 4px 16px rgba(124,58,237,0.25);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(124,58,237,0.35);
}

.btn--ghost {
    background: transparent;
    color: var(--purple);
    border: 1.5px solid var(--purple);
}

.btn--ghost:hover {
    background: rgba(124,58,237,0.06);
}

.btn--nav {
    background: var(--purple);
    color: #fff;
    font-size: 0.82rem;
    padding: 9px 20px;
    border-radius: var(--radius-sm);
}

.btn--nav:hover {
    background: var(--purple-dark);
    transform: translateY(-1px);
}

.btn--lg {
    padding: 16px 32px;
    font-size: 1rem;
    border-radius: var(--radius-lg);
}

/* ─── HERO ─── */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    overflow: hidden;
    background: var(--gradient-hero);
}

.hero-glow, .hero-glow--1, .hero-glow--2 {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    pointer-events: none;
}

.hero-glow--1 {
    width: 700px; height: 700px;
    background: radial-gradient(circle, rgba(124,58,237,0.12), transparent 70%);
    top: -200px; right: -150px;
    animation: glow-float 12s ease-in-out infinite;
}

.hero-glow--2 {
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(99,102,241,0.1), transparent 70%);
    bottom: -100px; left: 10%;
    animation: glow-float 9s ease-in-out infinite reverse;
}

.hero-grid-bg {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(124,58,237,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(124,58,237,0.04) 1px, transparent 1px);
    background-size: 80px 80px;
    mask-image: radial-gradient(ellipse at 70% 40%, black 20%, transparent 60%);
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 420px;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 7px 16px;
    background: rgba(124,58,237,0.08);
    border: 1px solid rgba(124,58,237,0.15);
    border-radius: 100px;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--purple);
    margin-bottom: 20px;
}

.hero-badge-dot {
    width: 7px; height: 7px;
    background: var(--purple);
    border-radius: 50%;
    animation: pulse-dot 2s ease-in-out infinite;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.6rem, 5vw, 3.8rem);
    font-weight: 800;
    line-height: 1.08;
    letter-spacing: -0.035em;
    margin-bottom: 20px;
    color: var(--bg-dark);
}

.hero-gradient {
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 1.12rem;
    color: var(--text-secondary);
    line-height: 1.75;
    margin-bottom: 32px;
    max-width: 500px;
}

.hero-desc strong { color: var(--text-primary); }

.hero-actions {
    display: flex;
    gap: 14px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 28px;
}

.hero-stat-value {
    font-family: var(--font-heading);
    font-size: 1.9rem;
    font-weight: 700;
    color: var(--purple);
}

.hero-stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.hero-stat-divider {
    width: 1px;
    height: 38px;
    background: var(--border);
}

/* ─── Shield Visual ─── */
.shield-mockup {
    position: relative;
    width: 320px;
    height: 320px;
    margin: 0 auto;
}

.shield-ring {
    position: absolute;
    border-radius: 50%;
    border: 1.5px solid;
}

.shield-ring--outer {
    inset: 0;
    border-color: rgba(124,58,237,0.12);
    animation: rotate-slow 20s linear infinite;
}

.shield-ring--inner {
    inset: 40px;
    border-color: rgba(99,102,241,0.18);
    animation: rotate-slow 14s linear infinite reverse;
}

.shield-core {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 140px; height: 140px;
    background: var(--bg-white);
    border: 1.5px solid rgba(124,58,237,0.15);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg), 0 0 60px rgba(124,58,237,0.08);
}

.shield-icon { font-size: 2.5rem; margin-bottom: 4px; }
.shield-status {
    font-family: var(--font-heading);
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    color: var(--green-ok);
}

.threat-dot {
    position: absolute;
    font-size: 1.2rem;
    animation: threat-float 4s ease-in-out infinite;
}

.threat-dot--1 { top: 10%; left: 15%; animation-delay: 0s; }
.threat-dot--2 { top: 20%; right: 8%; animation-delay: 1s; }
.threat-dot--3 { bottom: 15%; left: 10%; animation-delay: 2s; }
.threat-dot--4 { bottom: 25%; right: 12%; animation-delay: 0.5s; }

/* ─── SECTIONS (Light) ─── */
.section {
    padding: 100px 0;
    position: relative;
}

.section--dark {
    background: var(--gradient-dark);
    color: var(--text-on-dark);
}

.section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 64px;
}

.section-label {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--purple);
    margin-bottom: 14px;
}

.section-label--light { color: var(--purple-light); }

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 2.7rem);
    font-weight: 700;
    letter-spacing: -0.025em;
    line-height: 1.18;
    margin-bottom: 16px;
}

.section-title--light { color: #fff; }

.section-desc {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.75;
}

.section-desc--light { color: rgba(240,238,255,0.6); }

.text-gradient-green {
    background: linear-gradient(135deg, #10b981, #06b6d4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-gradient-red {
    background: var(--gradient-warm);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-gradient-blue {
    background: linear-gradient(135deg, #6366f1, #3b82f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ─── Pain Cards (Light) ─── */
.pain-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.pain-card {
    padding: 32px;
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: all 0.4s ease;
    opacity: 0;
    transform: translateY(24px);
}

.pain-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.pain-card:hover {
    border-color: rgba(225,29,72,0.18);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.pain-icon {
    font-size: 2rem;
    margin-bottom: 16px;
    width: 52px; height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(225,29,72,0.06);
    border-radius: var(--radius-md);
}

.pain-card h3 {
    font-family: var(--font-heading);
    font-size: 1.12rem;
    font-weight: 650;
    margin-bottom: 8px;
}

.pain-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.65;
}

/* ─── Feature Cards (Dark section) ─── */
.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.feature-card {
    padding: 36px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: var(--radius-lg);
    transition: all 0.4s ease;
    opacity: 0;
    transform: translateY(24px);
    backdrop-filter: blur(8px);
}

.feature-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.feature-card:hover {
    border-color: rgba(167,139,250,0.2);
    background: rgba(255,255,255,0.07);
    transform: translateY(-3px);
}

.feature-card--highlight {
    background: rgba(124,58,237,0.08);
    border-color: rgba(124,58,237,0.18);
}

.feature-number {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 800;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 16px;
    opacity: 0.5;
}

.feature-card h3 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: #fff;
}

.feature-card p {
    font-size: 0.9rem;
    color: rgba(240,238,255,0.55);
    line-height: 1.7;
}

/* ─── Integration Grid (Light) ─── */
.integration-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}

.integration-card {
    padding: 28px 24px;
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all 0.4s ease;
    opacity: 0;
    transform: translateY(24px);
}

.integration-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.integration-card:hover {
    border-color: rgba(99,102,241,0.2);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.integration-icon {
    font-size: 2rem;
    margin-bottom: 14px;
    width: 56px; height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--surface);
    border-radius: 50%;
    margin: 0 auto 14px;
}

.integration-card h4 {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 650;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.integration-card p {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ─── CTA Section ─── */
.section--cta {
    padding: 120px 0;
    background: var(--gradient-dark);
    overflow: hidden;
}

.cta-glow {
    position: absolute;
    width: 700px; height: 350px;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    background: radial-gradient(circle, rgba(124,58,237,0.15), transparent 60%);
    filter: blur(60px);
    pointer-events: none;
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 1;
    max-width: 580px;
    margin: 0 auto;
}

.cta-content h2 {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 2.6rem);
    font-weight: 700;
    color: #fff;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.cta-content > p {
    color: rgba(240,238,255,0.6);
    font-size: 1.05rem;
    margin-bottom: 32px;
    line-height: 1.7;
}

.cta-form {
    max-width: 480px;
    margin: 0 auto;
}

.cta-form-row {
    display: flex;
    gap: 10px;
}

.cta-input {
    flex: 1;
    padding: 16px 20px;
    background: rgba(255,255,255,0.07);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: var(--radius-lg);
    color: #fff;
    font-family: var(--font-body);
    font-size: 0.95rem;
    outline: none;
    transition: border-color 0.3s;
}

.cta-input::placeholder { color: rgba(255,255,255,0.35); }
.cta-input:focus { border-color: var(--purple-light); }

.cta-privacy {
    margin-top: 14px;
    font-size: 0.78rem;
    color: rgba(240,238,255,0.4);
}

.cta-success { text-align: center; }
.cta-success-icon { font-size: 2.5rem; margin-bottom: 12px; }
.cta-success h3 {
    font-family: var(--font-heading); font-size: 1.4rem;
    font-weight: 700; color: #fff; margin-bottom: 8px;
}
.cta-success p { color: rgba(240,238,255,0.6); }

/* ─── FOOTER ─── */
.footer {
    background: var(--bg-dark);
    color: var(--text-on-dark);
    padding: 56px 0 32px;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    padding-bottom: 32px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    margin-bottom: 24px;
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 1.15rem;
}

.footer-logo strong { color: var(--purple-light); }

.footer-brand p {
    font-size: 0.85rem;
    color: rgba(240,238,255,0.45);
    margin-top: 8px;
    max-width: 280px;
}

.footer-links { display: flex; gap: 60px; }

.footer-col h4 {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: rgba(240,238,255,0.5);
    margin-bottom: 14px;
}

.footer-col a {
    display: block;
    font-size: 0.88rem;
    color: rgba(240,238,255,0.6);
    margin-bottom: 10px;
    transition: color 0.2s;
}

.footer-col a:hover { color: var(--purple-light); }

.footer-bottom {
    font-size: 0.78rem;
    color: rgba(240,238,255,0.35);
    text-align: center;
}

.footer-bottom a { color: var(--purple-light); }

/* ─── Animations ─── */
@keyframes glow-float {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(20px, -20px); }
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

@keyframes rotate-slow {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes threat-float {
    0%, 100% { transform: translateY(0) scale(1); opacity: 0.7; }
    50% { transform: translateY(-12px) scale(1.1); opacity: 1; }
}

/* ─── Responsive ─── */
@media (max-width: 900px) {
    .hero-container { grid-template-columns: 1fr; text-align: center; }
    .hero-desc { margin-left: auto; margin-right: auto; }
    .hero-actions { justify-content: center; }
    .hero-stats { justify-content: center; }
    .hero-visual { order: -1; }
    .shield-mockup { width: 240px; height: 240px; }
    .shield-core { width: 100px; height: 100px; }
    .shield-ring--inner { inset: 30px; }

    .nav-links {
        position: fixed;
        top: 0; left: 0; right: 0; bottom: 0;
        background: rgba(248,247,255,0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        gap: 24px;
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.3s;
    }

    .nav-links.open { opacity: 1; pointer-events: auto; }
    .nav-link { font-size: 1.2rem; color: var(--text-primary); }
    .nav-toggle { display: flex; z-index: 101; }

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

    .footer-top { flex-direction: column; gap: 32px; }
    .cta-form-row { flex-direction: column; }
}

@media (max-width: 600px) {
    .integration-grid { grid-template-columns: 1fr; }
    .section { padding: 72px 0; }
    .hero { padding: 100px 0 60px; }
}