/* ============================================
   COPY CULTURE — EMAIL MARKETING STUDIO
   Redesign v2 — Portfolio navbar + social proof
   ============================================ */

/* --- NAVBAR (portfolio-style pill) --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 24px;
    display: flex;
    justify-content: center;
}

.navbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    max-width: var(--container-width);
    background: rgba(10, 10, 10, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: var(--radius-full);
    padding: 8px 8px 8px 24px;
}

.navbar-logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}
.navbar-logo img {
    height: 28px;
    width: auto;
}

.navbar-links {
    display: flex;
    align-items: center;
    gap: 4px;
}

.navbar-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-muted);
    padding: 8px 16px;
    border-radius: var(--radius-full);
    transition: color 0.2s ease;
    letter-spacing: 0.01em;
}
.navbar-link:hover { color: #fff; }

.navbar-cta {
    background: var(--gradient-brand);
    color: #fff !important;
    padding: 0.6rem 1.5rem;
    border-radius: var(--radius-btn);
    font-weight: 600;
    font-size: 0.875rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    box-shadow: var(--shadow-btn);
    border: none;
    cursor: pointer;
    font-family: var(--font-body);
}
.navbar-cta:hover {
    transform: translateY(2px);
    box-shadow: var(--shadow-btn-hover);
}

.navbar-login {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-muted);
    padding: 8px 16px;
    transition: color 0.2s;
}
.navbar-login:hover { color: #fff; }

/* Hamburger — hidden desktop */
.navbar-hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    background: none;
    border: none;
    padding: 8px;
    cursor: pointer;
    z-index: 1002;
}
.navbar-hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: #fff;
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.3s ease;
}
.navbar-hamburger-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.navbar-hamburger-open span:nth-child(2) { opacity: 0; }
.navbar-hamburger-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile overlay */
.navbar-mobile-overlay {
    position: fixed;
    inset: 0;
    z-index: 999;
    background: rgba(10,10,10,1);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}
.navbar-mobile-overlay-open {
    opacity: 1;
    pointer-events: auto;
}
.navbar-mobile-menu {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}
.navbar-mobile-link {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color 0.2s ease;
}
.navbar-mobile-link:hover { color: #fff; }
.navbar-mobile-cta {
    margin-top: 1rem;
    font-size: 1rem;
    padding: 0.85rem 2.2rem;
    background: var(--gradient-brand);
    color: #fff;
    border-radius: var(--radius-btn);
    font-weight: 700;
    box-shadow: var(--shadow-btn);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

@media (max-width: 1024px) {
    .navbar-hamburger { display: flex; }
    .navbar-links { display: none; }
}

/* --- HERO --- */
.st-hero {
    padding: calc(80px + 5rem) 0 1.5rem;
    position: relative;
    overflow: hidden;
}
.st-hero::before {
    content: '';
    position: absolute;
    top: -40%;
    left: 50%;
    transform: translateX(-50%);
    width: 900px; height: 900px;
    background: radial-gradient(circle, rgba(139,92,246,0.12) 0%, rgba(236,72,153,0.05) 40%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}
/* --- Hero Grid (split-screen) --- */
.st-hero-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}
.st-hero-content {
    text-align: left;
}
.st-hero-label {
    display: inline-block;
    padding: 0.52rem 1.625rem;
    border-radius: var(--radius-full);
    border: 1px solid rgba(139,92,246,0.35);
    background: rgba(139,92,246,0.08);
    font-size: 0.975rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
    backdrop-filter: blur(4px);
}
.st-hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3.2rem);
    font-weight: 800;
    line-height: 1.08;
    margin-bottom: 1.25rem;
    letter-spacing: -0.025em;
}
.st-hero-title .st-highlight,
.st-hero-title .st-highlight-block {
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.st-hero-title .st-highlight-block {
    display: block;
    margin-top: 0.3rem;
}
/* --- Hero Checklist --- */
.st-hero-checks {
    list-style: none;
    padding: 0;
    margin: 0 0 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}
.st-hero-checks li {
    font-size: 1rem;
    color: var(--color-text-muted);
    padding-left: 1.6rem;
    position: relative;
    line-height: 1.5;
}
.st-hero-checks li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: 700;
    font-size: 0.95rem;
}
/* .st-hero-sub kept for backwards compat */
.st-hero-sub {
    font-size: clamp(0.95rem, 1.5vw, 1.1rem);
    color: var(--color-text-muted);
    max-width: 540px;
    margin: 0 0 2rem;
    line-height: 1.65;
}
/* --- Turnaround Tag --- */
.st-turnaround-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(139, 92, 246, 0.08);
    border: 1px solid rgba(139, 92, 246, 0.25);
    border-radius: var(--radius-full);
    padding: 0.6rem 1.4rem;
    font-family: var(--font-heading);
    font-size: 0.88rem;
    font-weight: 600;
    color: #fff;
    margin-top: 1.5rem;
    margin-bottom: 0;
    box-shadow: 0 0 30px -10px rgba(139, 92, 246, 0.2);
    animation: st-tag-glow 3s ease-in-out infinite;
}
.st-turnaround-icon {
    font-size: 1.1rem;
}
@keyframes st-tag-glow {
    0%, 100% { box-shadow: 0 0 30px -10px rgba(139, 92, 246, 0.2); }
    50% { box-shadow: 0 0 40px -8px rgba(139, 92, 246, 0.35); }
}

.st-hero-btns {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}
.st-hero-btns .btn-cta-primary {
    padding: 0.9rem 2.25rem;
    background: var(--gradient-brand);
    color: #fff;
    font-weight: 700;
    font-size: 1rem;
    border-radius: var(--radius-btn);
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: var(--shadow-btn);
}
.st-hero-btns .btn-cta-primary:hover {
    transform: translateY(2px);
    box-shadow: var(--shadow-btn-hover);
}
.st-hero-support {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    opacity: 0.7;
    line-height: 1.8;
}
.st-hero-support span { margin: 0 0.4rem; }

/* --- Revenue Estimator (right side) --- */
.st-hero-estimator {
    padding: 2rem 0 2rem 2.5rem;
    border-left: 1px solid rgba(255, 255, 255, 0.06);
}
.st-estimator-label {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--color-text-main);
    margin-bottom: 2rem;
    letter-spacing: -0.01em;
    line-height: 1.3;
}
.st-estimator-label-sub {
    display: block;
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--color-text-muted);
    margin-top: 0.2rem;
    letter-spacing: -0.005em;
    line-height: 1.4;
}
.st-estimator-input-group {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    margin-bottom: 1rem;
}
.st-estimator-prefix {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}
.st-estimator-value {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-text-main);
    letter-spacing: -0.02em;
    transition: opacity 0.15s ease;
}

/* --- Slider --- */
.st-estimator-slider-wrap {
    margin-bottom: 1.75rem;
    position: relative;
}
.st-estimator-slider-wrap::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    height: 4px;
    width: var(--slider-fill, 50%);
    transform: translateY(-50%);
    background: linear-gradient(to right, rgba(139,92,246,0.6), rgba(236,72,153,0.5));
    filter: blur(12px);
    opacity: 0.7;
    pointer-events: none;
    z-index: 0;
    border-radius: 2px;
    animation: track-glow 3s ease-in-out infinite;
}
@keyframes track-glow {
    0%, 100% { opacity: 0.5; filter: blur(12px); }
    50% { opacity: 0.9; filter: blur(16px); }
}
.st-estimator-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 4px;
    border-radius: 2px;
    background: rgba(255, 255, 255, 0.08);
    outline: none;
    cursor: pointer;
    margin-bottom: 0.6rem;
    position: relative;
    z-index: 1;
}
.st-estimator-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 0 20px -4px rgba(139, 92, 246, 0.5), 0 0 0 4px rgba(139, 92, 246, 0.15);
    cursor: grab;
    transition: box-shadow 0.2s ease, transform 0.15s ease;
    animation: slider-pulse 2.5s ease-in-out infinite;
}
@keyframes slider-pulse {
    0%, 100% { box-shadow: 0 0 20px -4px rgba(139, 92, 246, 0.5), 0 0 0 4px rgba(139, 92, 246, 0.15); }
    50% { box-shadow: 0 0 28px -2px rgba(139, 92, 246, 0.7), 0 0 0 8px rgba(139, 92, 246, 0.1); }
}
.st-estimator-slider::-webkit-slider-thumb:hover {
    box-shadow: 0 0 28px -4px rgba(139, 92, 246, 0.7), 0 0 0 6px rgba(139, 92, 246, 0.2);
    transform: scale(1.1);
}
.st-estimator-slider::-webkit-slider-thumb:active {
    cursor: grabbing;
    transform: scale(0.95);
}
.st-estimator-slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #fff;
    border: none;
    box-shadow: 0 0 20px -4px rgba(139, 92, 246, 0.5), 0 0 0 4px rgba(139, 92, 246, 0.15);
    cursor: grab;
    transition: box-shadow 0.2s ease, transform 0.15s ease;
}
.st-estimator-slider::-moz-range-track {
    height: 4px;
    border-radius: 2px;
    background: rgba(255, 255, 255, 0.08);
    border: none;
}
.st-estimator-stops {
    display: flex;
    justify-content: space-between;
    font-size: 0.68rem;
    color: var(--color-text-muted);
    opacity: 0.5;
    font-weight: 500;
    padding: 0 2px;
}

/* --- Divider --- */
.st-estimator-divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.06);
    margin-bottom: 1.75rem;
}

/* --- Result --- */
.st-estimator-result {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    margin-bottom: 1rem;
}
.st-estimator-output {
    font-family: var(--font-heading);
    font-size: 1.65rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    transition: opacity 0.15s ease;
}
.st-estimator-suffix {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}
.st-estimator-monthly {
    font-size: 0.88rem;
    color: var(--color-text-muted);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}
.st-estimator-monthly strong {
    color: var(--color-text-main);
    font-weight: 600;
}
.st-estimator-source {
    font-size: 0.7rem;
    color: var(--color-text-muted);
    opacity: 0.4;
    font-style: italic;
}

/* --- SOCIAL PROOF BAR (scrolling marquee, container-width) --- */
.social-proof {
    padding: 1rem 0 0;
    text-align: center;
}
.social-proof-marquee {
    overflow: hidden;
    mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
    width: 100%;
}
.social-proof-track {
    display: flex;
    align-items: center;
    gap: 3.5rem;
    animation: social-proof-scroll 25s linear infinite;
    width: max-content;
}
.social-proof-track img {
    height: 48px;
    width: auto;
    object-fit: contain;
    filter: brightness(0) invert(1) opacity(0.55);
    transition: opacity 0.3s;
    flex-shrink: 0;
}
.social-proof-track img:hover {
    filter: brightness(0) invert(1) opacity(1);
}
@keyframes social-proof-scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-33.33%); }
}
.social-proof-text {
    font-size: 0.72rem;
    color: var(--color-text-muted);
    opacity: 0.45;
    font-style: italic;
    margin-top: 1rem;
    margin-bottom: 1.5rem;
    letter-spacing: 0.02em;
}

/* --- EMAIL SHOWCASE (reverse scroll, container-width, fade edges) --- */
.st-showcase {
    padding: 0.75rem 0 2rem;
    overflow: hidden;
}
.st-email-track-container {
    overflow: hidden;
    mask-image: linear-gradient(to right, transparent, black 5%, black 95%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, black 5%, black 95%, transparent);
}
.st-email-track {
    display: flex;
    gap: 1.5rem;
    animation: st-email-scroll 60s linear infinite;
    width: max-content;
}
.st-email-track-reverse {
    animation-name: st-email-scroll-reverse;
}
.st-email-card {
    flex: 0 0 auto;
    width: 320px;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.06);
    transition: transform 0.3s;
}
.st-email-card:hover { transform: scale(1.03); }
.st-email-card img {
    width: 100%;
    height: 480px;
    object-fit: cover;
    object-position: top;
}
@keyframes st-email-scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-33.33%); }
}
@keyframes st-email-scroll-reverse {
    0% { transform: translateX(-33.33%); }
    100% { transform: translateX(0); }
}

/* --- SECTION SHARED --- */
.st-section {
    padding: 5rem 0;
}
.st-section-label {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 0.75rem;
    display: inline-block;
}
.st-section-title {
    font-family: var(--font-heading);
    font-size: clamp(1.75rem, 3.5vw, 2.75rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
}
.st-section-desc {
    font-size: 1.05rem;
    color: var(--color-text-muted);
    line-height: 1.7;
    max-width: 640px;
}
.st-section.text-center .st-section-desc { margin: 0 auto; }

/* --- BENEFITS GRID (redesigned, no emojis) --- */
.st-benefits {
    border-top: 1px solid rgba(255,255,255,0.05);
}
.st-benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 3rem;
}
.st-benefit-card {
    background: var(--color-surface);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: var(--radius-md);
    padding: 2rem;
    position: relative;
    overflow: hidden;
    transition: border-color 0.3s, transform 0.3s;
}
.st-benefit-card:hover {
    border-color: rgba(139,92,246,0.3);
    transform: translateY(-4px);
}
.st-benefit-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--gradient-brand);
    opacity: 0;
    transition: opacity 0.3s;
}
.st-benefit-card:hover::before { opacity: 1; }

.st-benefit-number {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    color: #fff;
    position: absolute;
    top: 0.75rem;
    right: 1.25rem;
    line-height: 1;
    transition: all 0.3s;
}
.st-benefit-card:hover .st-benefit-number {
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.st-benefit-title {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}
.st-benefit-desc {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.55;
}

/* --- PRICING SECTION --- */
.st-pricing {
    background: var(--color-surface);
    border-top: 1px solid rgba(255,255,255,0.05);
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

/* Toggle switch */
.st-toggle-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin: 2rem auto 2.5rem;
}
.st-toggle-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text-muted);
    transition: color 0.2s;
}
.st-toggle-label.active { color: #fff; }
.st-toggle {
    position: relative;
    width: 52px;
    height: 28px;
    background: rgba(255,255,255,0.1);
    border-radius: 14px;
    cursor: pointer;
    transition: background 0.3s;
    border: 1px solid rgba(255,255,255,0.1);
}
.st-toggle.active {
    background: rgba(139,92,246,0.4);
    border-color: rgba(139,92,246,0.5);
}
.st-toggle::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 20px;
    height: 20px;
    background: #fff;
    border-radius: 50%;
    transition: transform 0.3s;
}
.st-toggle.active::after {
    transform: translateX(24px);
}

.st-pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 1rem;
}
/* Single-plan mode: center one card */
.st-pricing-single {
    display: flex;
    justify-content: center;
    margin-top: 1rem;
}
.st-pricing-single .st-price-card {
    max-width: 400px;
    width: 100%;
}

.st-price-card {
    background: var(--color-bg);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-md);
    padding: 2.25rem 2rem;
    position: relative;
    transition: border-color 0.3s, transform 0.3s;
    display: flex;
    flex-direction: column;
}
.st-price-card:hover {
    border-color: rgba(139,92,246,0.3);
    transform: translateY(-4px);
}
.st-price-card.featured {
    border-color: rgba(139,92,246,0.5);
    box-shadow: 0 0 40px -10px rgba(139,92,246,0.2);
}
.st-price-card[data-badge]::before {
    content: attr(data-badge);
    position: absolute;
    top: -11px; left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-brand);
    color: #fff;
    font-size: 0.65rem;
    font-weight: 700;
    padding: 4px 14px;
    border-radius: var(--radius-full);
    letter-spacing: 0.08em;
    white-space: nowrap;
}
.st-price-name {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}
.st-price-type {
    font-size: 0.78rem;
    color: var(--color-text-muted);
    margin-bottom: 1.25rem;
}
.st-price-amount {
    font-family: var(--font-heading);
    font-size: 2.75rem;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 0.25rem;
}
.st-price-amount .currency { font-size: 1.5rem; vertical-align: super; }
.st-price-amount .cents { font-size: 1.25rem; }
.st-price-old {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    text-decoration: line-through;
    opacity: 0.5;
    font-weight: 500;
    margin-right: 0.25rem;
}
.st-price-period {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
}
.st-price-features {
    list-style: none;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}
.st-price-features li {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    padding: 0.4rem 0;
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}
.st-price-features li::before {
    content: '✓';
    color: #22C55E;
    font-weight: 700;
    flex-shrink: 0;
}
.st-price-features li.excluded {
    opacity: 0.45;
}
.st-price-features li.excluded::before {
    content: '✗';
    color: #ef4444;
}
.st-price-cta {
    display: block;
    text-align: center;
    padding: 0.85rem;
    border-radius: var(--radius-btn);
    font-weight: 700;
    font-size: 0.9rem;
    transition: all 0.2s;
    margin-top: auto;
}
.st-price-cta.primary-cta {
    background: var(--gradient-brand);
    color: #fff;
    box-shadow: var(--shadow-btn);
}
.st-price-cta.primary-cta:hover {
    transform: translateY(2px);
    box-shadow: var(--shadow-btn-hover);
}
.st-price-cta.secondary-cta {
    border: 1px solid rgba(255,255,255,0.15);
    color: #fff;
}
.st-price-cta.secondary-cta:hover {
    border-color: rgba(255,255,255,0.4);
    background: rgba(255,255,255,0.04);
}

/* --- FEATURES CHECKLIST --- */
.st-features-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-top: 2.5rem;
}
.st-feature-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.95rem;
    color: var(--color-text-muted);
    padding: 0.75rem 1rem;
    background: var(--color-surface);
    border-radius: 10px;
    border: 1px solid rgba(255,255,255,0.05);
}
.st-feature-check {
    width: 22px; height: 22px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(34,197,94,0.2), rgba(34,197,94,0.08));
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
    color: #22C55E;
    font-size: 0.7rem;
    font-weight: 700;
}

/* --- HOW IT WORKS --- */
.st-how { border-top: 1px solid rgba(255,255,255,0.05); }
.st-how-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}
.st-how-card {
    text-align: center;
    position: relative;
    padding: 2rem;
    background: var(--color-surface);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: var(--radius-md);
    transition: border-color 0.3s, transform 0.3s;
}
.st-how-card:hover {
    border-color: rgba(139,92,246,0.3);
    transform: translateY(-4px);
}
.st-how-number {
    width: 56px; height: 56px;
    border-radius: 50%;
    background: var(--gradient-brand);
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 1.5rem;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.4rem;
    color: #fff;
}
.st-how-title {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}
.st-how-desc {
    font-size: 0.92rem;
    color: var(--color-text-muted);
    line-height: 1.6;
}
.st-how-card:not(:last-child)::after {
    display: none;
}

/* --- SERVICES --- */
.st-services {
    background: var(--color-surface);
    border-top: 1px solid rgba(255,255,255,0.05);
    border-bottom: 1px solid rgba(255,255,255,0.05);
}
.st-services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 3rem;
}
.st-service-card {
    background: var(--color-bg);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: var(--radius-md);
    padding: 2rem;
    transition: border-color 0.3s, transform 0.3s;
}
.st-service-card:hover {
    border-color: rgba(139,92,246,0.25);
    transform: translateY(-3px);
}
.st-service-icon { font-size: 2rem; margin-bottom: 1rem; }
.st-service-title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}
.st-service-desc {
    font-size: 0.88rem;
    color: var(--color-text-muted);
    line-height: 1.55;
}

/* --- STATS --- */
.st-stats { padding: 3rem 0; }
.st-stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    text-align: center;
}
.st-stat-number {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    color: #fff;
}
.st-stat-label {
    font-size: 0.85rem;
    color: #fff;
    opacity: 0.7;
    margin-top: 0.25rem;
}

/* --- TESTIMONIALS --- */
.st-testimonials {
    background: var(--color-surface);
    border-top: 1px solid rgba(255,255,255,0.05);
    border-bottom: 1px solid rgba(255,255,255,0.05);
    padding-top: 3rem;
}
.st-testimonials-marquee {
    overflow: hidden;
    mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
    margin-top: 2rem;
}
.st-testimonials-track {
    display: flex;
    gap: 1.5rem;
    animation: st-test-scroll 80s linear infinite;
    width: max-content;
}
.st-test-card {
    flex: 0 0 auto;
    width: 340px;
    background: var(--color-bg);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: var(--radius-md);
    padding: 1.75rem;
}
.st-test-stars { color: #fbbf24; font-size: 0.9rem; margin-bottom: 0.75rem; letter-spacing: 2px; }
.st-test-quote { font-size: 0.88rem; color: var(--color-text-muted); line-height: 1.6; margin-bottom: 1rem; }
.st-test-quote strong { color: #fff; }
.st-test-author-name { font-weight: 700; font-size: 0.88rem; color: #fff; }
.st-test-author-role { font-size: 0.75rem; color: var(--color-text-muted); margin-top: 2px; }
@keyframes st-test-scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* --- FAQ --- */
.st-faq-grid {
    max-width: 760px;
    margin: 2.5rem auto 0;
    display: flex;
    flex-direction: column;
}
.st-faq-item { border-bottom: 1px solid rgba(255,255,255,0.08); }
.st-faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 0;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    color: #fff;
    list-style: none;
    transition: color 0.2s;
}
.st-faq-question::-webkit-details-marker { display: none; }
.st-faq-question::marker { display: none; content: ''; }
.st-faq-question:hover { color: var(--color-primary); }
.st-faq-icon {
    width: 24px; height: 24px;
    position: relative;
    flex-shrink: 0;
    margin-left: 1rem;
}
.st-faq-icon::before,
.st-faq-icon::after {
    content: '';
    position: absolute;
    background: var(--color-text-muted);
    border-radius: 2px;
    transition: transform 0.3s;
}
.st-faq-icon::before {
    width: 14px; height: 2px;
    top: 50%; left: 50%;
    transform: translate(-50%,-50%);
}
.st-faq-icon::after {
    width: 2px; height: 14px;
    top: 50%; left: 50%;
    transform: translate(-50%,-50%);
}
.st-faq-item[open] .st-faq-icon::after {
    transform: translate(-50%,-50%) rotate(90deg);
    opacity: 0;
}
.st-faq-answer {
    padding: 0 0 1.25rem;
    font-size: 0.95rem;
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* --- ABOUT --- */
.st-about {
    background: var(--color-surface);
    border-top: 1px solid rgba(255,255,255,0.05);
}
.st-about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    margin-top: 2rem;
}
.st-about-text p {
    font-size: 1rem;
    color: var(--color-text-muted);
    line-height: 1.7;
    margin-bottom: 1rem;
}
.st-about-highlights {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}
.st-about-highlight {
    background: var(--color-bg);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 12px;
    padding: 1.25rem;
    text-align: center;
}
.st-about-highlight-num {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 800;
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.st-about-highlight-label {
    font-size: 0.78rem;
    color: var(--color-text-muted);
    margin-top: 0.25rem;
}

/* --- FOOTER (agency-style simple) --- */
.simple-footer {
    padding: 4rem 0 2rem;
    border-top: 1px solid rgba(255,255,255,0.05);
}
.simple-footer a:hover { color: #fff; }

/* --- SCROLL ANIMATIONS --- */
.st-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s cubic-bezier(0.16,1,0.3,1), transform 0.7s cubic-bezier(0.16,1,0.3,1);
}
.st-reveal.visible { opacity: 1; transform: translateY(0); }

/* --- RESPONSIVE --- */
@media (max-width: 1024px) {
    .st-hero-grid { grid-template-columns: 1fr; gap: 2.5rem; }
    .st-hero-content { text-align: center; }
    .st-hero-sub { margin-left: auto; margin-right: auto; }
    .st-hero-btns { justify-content: center; }
    .st-hero-support { text-align: center; }
    .st-hero-estimator {
        border-left: none;
        border-top: 1px solid rgba(255, 255, 255, 0.06);
        padding: 2rem 0 0;
        max-width: 480px;
        margin: 0 auto;
    }
    .st-benefits-grid,
    .st-services-grid,
    .st-how-grid { grid-template-columns: repeat(2, 1fr); }
    .st-features-list { grid-template-columns: repeat(2, 1fr); }
    .st-how-card::after { display: none; }
    .st-footer-top { grid-template-columns: 1fr 1fr; }
    .st-about-content { grid-template-columns: 1fr; }
    .st-pricing-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    .st-benefits-grid,
    .st-services-grid,
    .st-how-grid,
    .st-stats-grid,
    .st-pricing-grid { grid-template-columns: 1fr; }
    .st-features-list { grid-template-columns: 1fr; }
    .st-hero-title { font-size: 2.2rem; }
    .st-hero-btns { flex-direction: column; }
    .st-hero-btns a { width: 100%; text-align: center; }
    .st-estimator-value { font-size: 1.6rem; }
    .st-estimator-output { font-size: 1.35rem; }
    .st-section { padding: 3rem 0; }
    .st-footer-top { grid-template-columns: 1fr; }
    .st-about-highlights { grid-template-columns: 1fr 1fr; }
    .social-proof-logos { gap: 1.5rem; }
    .social-proof-logos img { height: 24px; }
    .st-email-card { width: 260px; }
    .st-email-card img { height: 380px; }
}
@media (max-width: 480px) {
    .st-hero-title { font-size: 1.75rem; }
    .st-hero { padding: calc(80px + 3rem) 0 2rem; }
    .st-section-title { font-size: 1.5rem; }
    .st-hero-estimator { padding: 1.5rem 0 0; }
    .st-estimator-label { font-size: 1rem; margin-bottom: 1.5rem; }
    .st-estimator-value { font-size: 1.4rem; }
    .st-estimator-output { font-size: 1.2rem; }
    .st-estimator-monthly { font-size: 0.82rem; }
}