/* ========================================
   Vellichor Landing Page Styles
   ======================================== */

/* CSS Variables */
:root {
    --color-off-white: #f2f0ef;
    --color-off-black: #222222;
    --color-off-black-muted: #c6c6c6;
    --color-off-black-tertiary: #707070;
    --color-off-black-quaternary: #9b9b9b;
    --color-primary: #3452b5;
    --color-primary-light: #627edb;
    --color-background: #101010;
    
    --font-helvetica: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    --font-inter: 'Inter', sans-serif;
    --font-open-sans: 'Open Sans', sans-serif;

    /* Typography tweaks */
    --letter-tight: -0.02em;
    --letter-heading: -0.03em;
    
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    --spacing-3xl: 60px;
    
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;
    --border-radius-full: 100px;

    --section-spacing: 80px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-inter);
    background-color: var(--color-off-black);
    color: var(--color-off-white);
    line-height: 1.5;
    overflow-x: hidden;
}

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

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

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;

    background: linear-gradient(
        180deg,
        rgba(45, 45, 45, 0.75) 0%,
        rgba(35, 35, 35, 0.65) 50%,
        rgba(30, 30, 30, 0.7) 100%
    );
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    /* Subtle glass border - top highlight */
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    /* Subtle inner glow */
    box-shadow: 
        inset 0 1px 0 0 rgba(255, 255, 255, 0.05),
        0 1px 3px rgba(0, 0, 0, 0.1),
        0 4px 12px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
}

.navbar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.1) 20%,
        rgba(255, 255, 255, 0.15) 50%,
        rgba(255, 255, 255, 0.1) 80%,
        transparent 100%
    );
    pointer-events: none;
}

.navbar.scrolled {
    background: linear-gradient(
        180deg,
        rgba(35, 35, 35, 0.85) 0%,
        rgba(30, 30, 30, 0.8) 100%
    );
    box-shadow:
        inset 0 1px 0 0 rgba(255, 255, 255, 0.05),
        0 2px 8px rgba(0, 0, 0, 0.2),
        0 8px 24px rgba(0, 0, 0, 0.25);
}

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 13px 48px;
    max-width: 100%;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: 7px;
}

.logo-icon {
    width: 22px;
    height: 20px;
}

.logo-text {
    font-family: var(--font-helvetica);
    font-weight: 700;
    font-style: italic;
    font-size: 24px;
    line-height: 1.5;
    letter-spacing: -0.55px;
    color: var(--color-off-white);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 26px;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 6px 10px;
    background: var(--color-primary);
    border-radius: var(--border-radius-sm);
    font-family: var(--font-helvetica);
    font-weight: 500;
    font-size: 13px;
    line-height: 1.5;
    letter-spacing: -0.3px;
    color: var(--color-off-white);
    transition: all 0.2s ease;
}

.btn-primary:hover {
    background: var(--color-primary-light);
}

/* Navbar button - pill style with rounded corners */
.btn-nav-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 22px;
    border-radius: var(--border-radius-md);
}

.btn-nav-primary-icon {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.hero-cta {
    padding: 14px 26px;
    margin-top: 25px;
    border-radius: 25px;
}

.btn-glow {
    padding: 13px 16px;
    border-radius: var(--border-radius-full);
    box-shadow: 
        5px -5px 16px rgba(52, 82, 181, 0.25),
        -5px 5px 16px rgba(52, 82, 181, 0.25),
        -5px -5px 16px rgba(52, 82, 181, 0.25),
        5px 5px 16px rgba(52, 82, 181, 0.25);
}

.btn-full {
    width: 100%;
    padding: 12px 16px;
    font-size: 20px;
    border-radius: var(--border-radius-sm);
    box-shadow: 0 0 23px var(--color-primary);
    border: none !important;
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--color-off-white);
    transition: all 0.3s ease;
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    position: relative;
    min-height: calc(100vh - 80px - 80px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 32px 48px;
    margin-top: 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0 17px 17px 17px;
    border-radius: var(--border-radius-md);
    background-image: url('assets/hero-bg.png');
    background-size: cover;
    background-position: center;
    z-index: 0;
    opacity: 0.85;
}

.hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(16, 16, 16, 0.24);
    border-radius: var(--border-radius-md);
}

/* Neural network / synapses overlay – moving dots and firing glow */
.hero-neural-overlay {
    position: absolute;
    inset: 0;
    border-radius: var(--border-radius-md);
    overflow: hidden;
    pointer-events: none;
    z-index: 0;
}

.hero-neural-svg {
    position: absolute;
    inset: -10%;
    width: 120%;
    height: 120%;
    animation: neuralDrift 45s ease-in-out infinite;
}

.synapse-node {
    fill: rgba(242, 240, 239, 0.2);
    filter: url(#synapseGlow);
    animation: synapseFire 2.8s ease-in-out infinite;
}

.synapse-line {
    stroke: rgba(242, 240, 239, 0.18);
    stroke-width: 1.2;
    stroke-linecap: round;
    filter: url(#synapseGlow);
    animation: synapseFire 2.8s ease-in-out infinite;
}

.synapse-node.delay-0,  .synapse-line.delay-0  { animation-delay: 0s; }
.synapse-node.delay-1,  .synapse-line.delay-1  { animation-delay: 0.23s; }
.synapse-node.delay-2,  .synapse-line.delay-2  { animation-delay: 0.46s; }
.synapse-node.delay-3,  .synapse-line.delay-3  { animation-delay: 0.69s; }
.synapse-node.delay-4,  .synapse-line.delay-4  { animation-delay: 0.92s; }
.synapse-node.delay-5,  .synapse-line.delay-5  { animation-delay: 1.15s; }
.synapse-node.delay-6,  .synapse-line.delay-6  { animation-delay: 1.38s; }
.synapse-node.delay-7,  .synapse-line.delay-7  { animation-delay: 1.61s; }
.synapse-node.delay-8,  .synapse-line.delay-8  { animation-delay: 1.84s; }
.synapse-node.delay-9,  .synapse-line.delay-9  { animation-delay: 2.07s; }
.synapse-node.delay-10, .synapse-line.delay-10 { animation-delay: 2.3s; }
.synapse-node.delay-11, .synapse-line.delay-11 { animation-delay: 2.53s; }

@keyframes neuralDrift {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(2%, 1%) scale(1.02); }
    50% { transform: translate(-1%, 2%) scale(0.98); }
    75% { transform: translate(1%, -1%) scale(1.01); }
}

@keyframes synapseFire {
    0%, 100% { opacity: 0.2; }
    15% { opacity: 0.9; }
    30% { opacity: 0.25; }
    45% { opacity: 0.2; }
    60% { opacity: 0.85; }
    75% { opacity: 0.2; }
}

.hero-dots {
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle, rgba(255,255,255,0.1) 1px, transparent 1px);
    background-size: 33px 33px;
    opacity: 0.5;
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 18px;
    max-width: 665px;
    position: relative;
    z-index: 1;
}

.swartz-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.swartz-logo {
    width: 42px;
    height: 41px;
}

.swartz-badge span {
    font-family: var(--font-open-sans);
    font-weight: 400;
    font-size: 14px;
    line-height: 1.5;
    letter-spacing: -0.32px;
    color: var(--color-off-white);
}

.hero-text {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.hero-subtitle {
    font-family: var(--font-helvetica);
    font-weight: 500;
    font-size: 29px;
    line-height: 1.35;
    letter-spacing: -0.7px;
    color: var(--color-off-white);
}

.hero-title {
    font-family: var(--font-helvetica);
    font-weight: 700;
    font-size: 54px;
    line-height: 1.2;
    letter-spacing: -1.3px;
    color: var(--color-off-white);
    margin-top: 16px;
    margin-bottom: 20px;
    text-transform: capitalize;
}

.hero-description {
    display: flex;
    flex-direction: column;
    gap: 3px;
    max-width: 665px;
}

.hero-tagline {
    font-family: var(--font-inter);
    font-weight: 600;
    font-size: 17px;
    line-height: 1.45;
    letter-spacing: var(--letter-tight);
    color: var(--color-off-white);
}

.hero-desc {
    font-family: var(--font-inter);
    font-weight: 400;
    font-size: 16px;
    line-height: 1.55;
    letter-spacing: var(--letter-tight);
    color: var(--color-off-white);
}

.btn-nav {
    background: var(--color-off-white);
    color: var(--color-off-black);
    border-radius: var(--border-radius-full);
    padding: 6px 11px;
}

.btn-nav:hover {
    background: #e0e0e0;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    cursor: pointer;
    padding: 10px;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.scroll-indicator:hover {
    opacity: 1;
}

.scroll-indicator svg {
    width: 32px;
    height: 32px;
}

/* ========================================
   DNA Section (Company Logos)
   ======================================== */
.dna-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    padding: var(--section-spacing) 0;
    background: #222222;
    overflow: hidden;
}

.dna-section .section-label {
    color: var(--color-off-black-quaternary);
}

/* Marquee: scrolls right to left across entire screen */
.logo-marquee {
    width: 100%;
    overflow: hidden;
}

.logo-marquee-track {
    display: flex;
    width: 200%;
    animation: marquee 40s linear infinite;
}

.logo-marquee-track .logo-strip {
    flex: 0 0 50%;
    display: flex;
    align-items: center;
    justify-content: space-around;
    padding: 0;
    gap: 0;
}

/* Padding only on outer edges so no gap at loop seam */
.logo-marquee-track .logo-strip:first-child {
    padding-left: 48px;
    padding-right: 0;
}

.logo-marquee-track .logo-strip:last-child {
    padding-left: 0;
    padding-right: 48px;
}

.logo-marquee-track .logo-strip-duplicate {
    display: flex;
    flex: 0 0 50%;
    align-items: center;
    justify-content: space-around;
    padding: 0;
}

@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.section-label {
    font-family: var(--font-inter);
    font-weight: 200;
    font-size: 24px;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--color-off-black-quaternary);
}

.logo-strip {
    flex-shrink: 0;
}

.logo-item {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

/* Fixed dimensions - no responsive scaling for logos */
.logo-item img {
    object-fit: contain;
    opacity: 1;
    transition: all 0.3s ease;
}

.logo-item:hover img {
    opacity: 0.8;
}

/* Individual logo fixed dimensions – slightly larger */
.logo-deloitte img {
    width: 110px;
    height: 24px;
}

.logo-brown img {
    width: 116px;
    height: 58px;
}

.logo-google img {
    width: 110px;
    height: 38px;
}

.logo-hcii img {
    width: 116px;
    height: 50px;
}

.logo-cmu img {
    width: 78px;
    height: 50px;
}

.logo-nokia img {
    width: 109px;
    height: 18px;
}

.logo-ucsd img {
    width: 110px;
    height: 21px;
}

.logo-ericsson img {
    width: 110px;
    height: 23px;
}

/* ========================================
   About Section (Features Grid)
   ======================================== */
.about-section {
    padding: var(--section-spacing) 60px;
    background: var(--color-off-black);
}

.about-section .section-label {
    text-align: center;
    margin-bottom: var(--section-spacing);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 80px 60px;
    max-width: 1300px;
    margin: 0 auto;
}

.feature-card {
    display: flex;
    flex-direction: column;
    gap: 20px;
    max-width: 400px;
}

.feature-image {
    position: relative;
    width: 100%;
    aspect-ratio: 1;
    border-radius: 9px;
    overflow: hidden;
}

.feature-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.feature-content {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.feature-header {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.feature-label {
    font-family: var(--font-inter);
    font-weight: 400;
    font-size: 13px;
    letter-spacing: -0.3px;
    color: var(--color-off-black-quaternary);
}

.feature-title {
    font-family: var(--font-helvetica);
    font-weight: 700;
    font-size: 26px;
    line-height: 1.25;
    letter-spacing: var(--letter-heading);
    color: var(--color-off-white);
}

.feature-desc {
    font-family: var(--font-inter);
    font-weight: 400;
    font-size: 14px;
    line-height: 1.5;
    letter-spacing: -0.32px;
    color: var(--color-off-black-muted);
}

/* CTA Card */
.cta-actions {
    display: flex;
    flex-direction: column;
    gap: 4px;
    align-items: center;
}

.cta-subtext {
    font-family: var(--font-inter);
    font-weight: 400;
    font-style: italic;
    font-size: 13px;
    letter-spacing: -0.3px;
    color: var(--color-off-black-muted);
    text-align: center;
}

/* ========================================
   Quote Section
   ======================================== */
.quote-section {
    position: relative;
    padding: var(--section-spacing) 60px;
    background: var(--color-off-black);
}

.quote-bg {
    position: relative;
    width: 100%;
    border-radius: var(--border-radius-md);
    overflow: hidden;
}

.quote-bg img {
    width: 100%;
    height: auto;
    min-height: 478px;
    object-fit: cover;
}

.quote-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        100.33deg,
        rgba(0, 0, 0, 0) 36.065%,
        rgba(34, 34, 34, 0.95) 94.946%
    );
    z-index: 1;
}

.quote-content {
    position: absolute;
    top: 50%;
    right: 82px;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 43px;
    align-items: flex-end;
    max-width: 347px;
    z-index: 2;
}

.quote-negatives {
    display: flex;
    flex-direction: column;
    gap: 9px;
    align-items: flex-end;
}

.quote-negatives p {
    font-family: var(--font-inter);
    font-style: italic;
    font-size: 14px;
    letter-spacing: -0.32px;
    color: rgba(242, 240, 239, 0.7);
}

.quote-positives {
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: flex-end;
}

.quote-small {
    font-family: var(--font-inter);
    font-style: italic;
    font-size: 15px;
    letter-spacing: -0.35px;
    color: rgba(242, 240, 239, 0.7);
    text-align: center;
}

.quote-main {
    font-family: var(--font-helvetica);
    font-weight: 700;
    font-style: italic;
    font-size: 26px;
    line-height: 1.3;
    letter-spacing: -0.5px;
    color: var(--color-off-white);
    text-align: right;
    max-width: 545px;
}

/* ========================================
   Footer
   ======================================== */
.footer {
    padding: 0;
    margin: 0;
    background: var(--color-off-black);
}

.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--section-spacing) 60px;
    margin-bottom: 0;
}

.copyright {
    font-family: var(--font-inter);
    font-weight: 400;
    font-size: 12px;
    line-height: 1.5;
    color: var(--color-off-black-tertiary);
}

.footer-links {
    display: flex;
    gap: 28px;
}

.footer-link {
    display: flex;
    align-items: center;
    gap: 2px;
    font-family: var(--font-helvetica);
    font-weight: 500;
    font-size: 13px;
    line-height: 1.5;
    letter-spacing: -0.3px;
    color: var(--color-off-black-muted);
    transition: color 0.2s ease;
}

.footer-link:hover {
    color: var(--color-off-white);
}

.footer-brand {
    display: flex;
    align-items: flex-end;
    justify-content: center;
    width: 100%;
    margin: 0;
    padding: 0;
    overflow: hidden;
}

.footer-logo-full {
    width: 100%;
    height: auto;
    display: block;
}

/* ========================================
   Scroll to Top Button
   ======================================== */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--color-primary);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    background: var(--color-primary-light);
    transform: translateY(-3px);
}

.scroll-top svg {
    width: 24px;
    height: 24px;
    fill: var(--color-off-white);
}

/* ========================================
   Waitlist Modal
   ======================================== */
.waitlist-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    padding: 20px;
}

.waitlist-overlay.is-open {
    opacity: 1;
    visibility: visible;
}

.waitlist-overlay.is-open .waitlist-modal {
    transform: scale(1);
    opacity: 1;
}

.waitlist-modal {
    position: relative;
    background: linear-gradient(180deg, rgba(40, 40, 40, 0.98) 0%, rgba(28, 28, 28, 0.98) 100%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-lg);
    padding: 40px;
    max-width: 420px;
    width: 100%;
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.4);
    transform: scale(0.96);
    opacity: 0;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.waitlist-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    border: none;
    background: rgba(255, 255, 255, 0.08);
    color: var(--color-off-white);
    font-size: 24px;
    line-height: 1;
    border-radius: 50%;
    cursor: pointer;
    transition: background 0.2s ease;
}

.waitlist-close:hover {
    background: rgba(255, 255, 255, 0.15);
}

.waitlist-title {
    font-family: var(--font-helvetica);
    font-weight: 700;
    font-size: 24px;
    letter-spacing: -0.5px;
    color: var(--color-off-white);
    margin-bottom: 8px;
}

.waitlist-desc {
    font-family: var(--font-inter);
    font-size: 14px;
    color: var(--color-off-black-muted);
    margin-bottom: 24px;
}

.waitlist-form .form-group {
    margin-bottom: 18px;
}

.waitlist-form label {
    display: block;
    font-family: var(--font-inter);
    font-size: 13px;
    font-weight: 500;
    color: var(--color-off-black-muted);
    margin-bottom: 6px;
}

.waitlist-form .required { color: var(--color-primary-light); }
.waitlist-form .optional { font-weight: 400; opacity: 0.8; }

.form-input {
    width: 100%;
    padding: 12px 14px;
    font-family: var(--font-inter);
    font-size: 15px;
    color: var(--color-off-white);
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--border-radius-sm);
    transition: border-color 0.2s ease;
}

.form-input::placeholder {
    color: var(--color-off-black-quaternary);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.form-error {
    display: block;
    font-size: 12px;
    color: #e57373;
    margin-top: 4px;
}

.form-actions {
    margin-top: 24px;
}

.waitlist-submit {
    padding: 12px 20px;
    font-size: 15px;
}

.form-message {
    margin-top: 16px;
    font-size: 14px;
    text-align: center;
    min-height: 20px;
}

.form-message.success { color: #81c784; }
.form-message.error { color: #e57373; }

/* ========================================
   Responsive Styles
   ======================================== */

/* Large tablets and small desktops */
@media (max-width: 1200px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 48px;
    }
    
    .feature-card {
        max-width: 100%;
    }
    
    .logo-strip {
        padding: 0 48px;
    }
}

/* Tablets */
@media (max-width: 992px) {
    .hero {
        min-height: calc(100vh - 70px - 80px);
        padding: 28px 32px;
        margin-top: 70px;
    }
    
    .hero-content {
        gap: 14px;
    }
    
    .hero-title {
        font-size: 42px;
    }
    
    .hero-subtitle {
        font-size: 22px;
    }
    
    .hero-tagline,
    .hero-desc {
        font-size: 14px;
    }
    
    .dna-section {
        padding: var(--section-spacing) 0;
    }
    
    .logo-strip {
        padding: 0 32px;
    }
    
    .about-section {
        padding: var(--section-spacing) 32px;
    }
    
    .about-section .section-label {
        margin-bottom: var(--section-spacing);
    }
    
    .quote-content {
        right: 48px;
        max-width: 280px;
    }
    
    .quote-main {
        font-size: 21px;
    }
    
    .quote-section {
        padding: var(--section-spacing) 32px;
    }
    
    .footer-top {
        padding: var(--section-spacing) 32px;
    }
}

/* Small tablets and large phones */
@media (max-width: 768px) {
    .navbar {
        /* Keep full width on mobile */
        top: 0;
        left: 0;
        right: 0;
    }
    
    .nav-content {
        padding: 10px 16px;
    }
    
    .logo-text {
        font-size: 19px;
    }
    
    .nav-actions {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background: linear-gradient(
            180deg,
            rgba(40, 40, 40, 0.9) 0%,
            rgba(30, 30, 30, 0.95) 100%
        );
        backdrop-filter: blur(20px) saturate(180%);
        -webkit-backdrop-filter: blur(20px) saturate(180%);
        padding: 20px;
        border-top: 1px solid rgba(255, 255, 255, 0.05);
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        transition: all 0.3s ease;
    }
    
    .nav-actions.active {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero {
        min-height: calc(100vh - 60px - 80px);
        padding: 24px 20px;
        margin-top: 60px;
    }
    
    .hero-content {
        gap: 12px;
    }
    
    .hero-bg {
        inset: 0 10px 10px 10px;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }
    
    .hero-tagline,
    .hero-desc {
        font-size: 13px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .feature-title {
        font-size: 21px;
    }
    
    .feature-desc {
        font-size: 13px;
    }
    
    .logo-strip {
        flex-wrap: nowrap;
        gap: 32px;
    }
    
    .logo-item {
        flex: none;
    }
    
    .dna-section {
        padding: var(--section-spacing) 0;
    }
    
    .about-section {
        padding: var(--section-spacing) 16px;
    }
    
    .quote-section {
        padding: var(--section-spacing) 16px;
    }
    
    .footer-top {
        padding: var(--section-spacing) 16px;
    }
    
    .quote-bg img {
        min-height: 320px;
    }
    
    .quote-content {
        right: 24px;
        max-width: 224px;
        gap: 24px;
    }
    
    .quote-negatives p {
        font-size: 11px;
    }
    
    .quote-small {
        font-size: 12px;
    }
    
    .quote-main {
        font-size: 16px;
    }
    
    .footer-top {
        flex-direction: column;
        gap: 16px;
        padding: var(--section-spacing) 16px;
        text-align: center;
    }
    
    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 16px;
    }
    
    .footer-brand {
        padding: 0;
    }
    
    .copyright {
        font-size: 11px;
    }
}

/* Mobile phones */
@media (max-width: 480px) {
    :root {
        --section-spacing: 56px;
    }
    
    .hero {
        min-height: calc(100vh - 50px - 80px);
        margin-top: 50px;
        padding: 20px 16px;
    }
    
    .hero-content {
        gap: 10px;
    }
    
    .hero-title {
        font-size: 26px;
    }
    
    .hero-subtitle {
        font-size: 14px;
    }
    
    .btn-glow {
        padding: 10px 13px;
        font-size: 11px;
    }
    
    .btn-nav-primary {
        padding: 10px 16px;
    }
    
    .section-label {
        font-size: 24px;
    }
    
    .dna-section {
        padding: var(--section-spacing) 0;
    }
    
    .logo-item {
        flex: none;
    }
    
    .feature-title {
        font-size: 18px;
    }
    
    .feature-label {
        font-size: 11px;
    }
    
    .feature-desc {
        font-size: 12px;
    }
    
    .about-section {
        padding: var(--section-spacing) 16px;
    }
    
    .about-section .section-label {
        margin-bottom: var(--section-spacing);
    }
    
    .quote-section {
        padding: var(--section-spacing) 16px;
    }
    
    .footer-top {
        padding: var(--section-spacing) 16px;
    }
    
    .quote-content {
        position: relative;
        right: auto;
        transform: none;
        padding: 20px;
        max-width: 100%;
        margin-top: -100px;
        background: linear-gradient(
            180deg,
            transparent 0%,
            rgba(34, 34, 34, 0.9) 20%
        );
    }
    
    .quote-bg::after {
        background: linear-gradient(
            180deg,
            transparent 0%,
            rgba(34, 34, 34, 0.7) 100%
        );
    }
    
    .quote-negatives,
    .quote-positives {
        align-items: center;
        text-align: center;
    }
    
    .quote-main {
        text-align: center;
    }
}

@media (max-width: 992px) {
    .logo-marquee-track .logo-strip,
    .logo-marquee-track .logo-strip-duplicate {
        padding: 0 24px;
    }
}