/* === FONTS === */
@font-face {
    font-family: 'Made Kenfolg';
    src: url('assets/Fonts/MADE Kenfolg PERSONAL USE.otf') format('opentype');
    font-weight: 400;
    font-display: swap;
}
@font-face {
    font-family: 'Unageo';
    src: url('assets/Fonts/Unageo[wght].ttf') format('truetype');
    font-weight: 100 900;
    font-display: swap;
}

/* === RESET & BASE === */
:root {
    --white: #ffffff;
    --light: #f9f9f9;
    --dark: #212121;
    --black: #111111;
    --accent: #B13E31;
    --orange-faded: #D76D59;
    --orange-bright: #F05436;
    --font-display: 'Made Kenfolg', serif;
    --font-body: 'Unageo', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-body);
    color: var(--black);
    line-height: 1.7;
    background: var(--white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 4rem;
}

/* === SCROLL REVEAL === */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* === BUTTONS === */
.btn {
    display: inline-block;
    padding: 1rem 2.25rem;
    border-radius: 8px;
    background: var(--accent);
    color: #fff;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 500;
    border: none;
    cursor: pointer;
    letter-spacing: -0.015em;
    transition: transform 0.2s, background 0.2s, box-shadow 0.2s;
}
.btn:hover {
    background: #922f25;
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(177, 62, 49, 0.3);
}
.btn--large {
    padding: 1.125rem 2.75rem;
    font-size: 1rem;
}
.btn--full {
    width: 100%;
    text-align: center;
}
.btn--cta {
    padding: 0.625rem 1.5rem;
    font-size: 0.8125rem;
    font-weight: 600;
}

/* === TAGS === */
.tag {
    display: inline-block;
    font-family: var(--font-body);
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--orange-bright);
    margin-bottom: 1.5rem;
}
.tag--hero {
    color: var(--orange-faded);
    background: rgba(215, 109, 89, 0.1);
    padding: 0.375rem 0.875rem;
    border-radius: 100px;
}
.tag--small {
    font-size: 0.625rem;
    margin-bottom: 0.75rem;
}

/* === NAVIGATION === */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1.25rem 0;
    transition: all 0.35s ease;
}
.nav.scrolled {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    padding: 0.875rem 0;
}
.nav__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 4rem;
}
.nav__logo-dark {
    height: 22px;
    display: block;
}
.nav__logo-light {
    height: 22px;
    display: none;
}
.nav.scrolled .nav__logo-dark {
    display: none;
}
.nav.scrolled .nav__logo-light {
    display: block;
}
.nav__links {
    display: flex;
    gap: 3rem;
}
.nav__links a {
    font-size: 0.875rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.7);
    transition: color 0.2s;
}
.nav.scrolled .nav__links a {
    color: rgba(0, 0, 0, 0.5);
}
.nav__links a:hover {
    color: #fff;
}
.nav.scrolled .nav__links a:hover {
    color: var(--black);
}

.nav__toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
    padding: 4px;
}
.nav__toggle span {
    width: 22px;
    height: 2px;
    background: #fff;
    transition: all 0.3s;
    border-radius: 2px;
}
.nav.scrolled .nav__toggle span {
    background: var(--black);
}
.nav__toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.nav__toggle.active span:nth-child(2) {
    opacity: 0;
}
.nav__toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 999;
    background: linear-gradient(180deg, #303030 0%, #000000 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 5rem 2rem 2.5rem;
    transform: translateY(-100%);
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    pointer-events: none;
}
.mobile-menu.open {
    transform: translateY(0);
    pointer-events: all;
}
.mobile-menu__inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.75rem;
}
.mobile-menu__inner a {
    font-size: 1.125rem;
    font-weight: 500;
    color: rgba(255,255,255,0.8);
    letter-spacing: -0.015em;
}

/* === HERO === */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 10rem 0 8rem;
    overflow: hidden;
}
.hero__bg {
    position: absolute;
    inset: 0;
}
.hero__bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.hero__overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
}
.hero__content {
    position: relative;
    z-index: 2;
    max-width: 1200px;
}
.hero h1 {
    font-family: var(--font-display);
    font-size: clamp(3.5rem, 8vw, 6.5rem);
    font-weight: 400;
    line-height: 1.05;
    color: #fff;
    margin-bottom: 1.5rem;
}
.hero__sub {
    font-size: clamp(1.25rem, 2.5vw, 1.75rem);
    color: var(--orange-faded);
    font-weight: 500;
    margin-bottom: 2rem;
    letter-spacing: -0.015em;
}
.hero__desc {
    font-size: 1.0625rem;
    color: rgba(255, 255, 255, 0.6);
    max-width: 540px;
    margin-bottom: 3rem;
    line-height: 1.8;
}
.hero__actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-bottom: 4rem;
}
.hero__note {
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.4);
}
.hero__legal {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.25);
    line-height: 1.7;
    max-width: 520px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 2rem;
}

/* === PROBLEM SECTION === */
.problem {
    padding: 10rem 0;
    background: var(--white);
}
.problem__content {
    max-width: 700px;
    margin-bottom: 5rem;
}
.problem__content h2 {
    font-family: var(--font-display);
    font-size: clamp(2.25rem, 5vw, 3.5rem);
    font-weight: 400;
    line-height: 1.1;
    margin-bottom: 2rem;
}
.problem__content p {
    font-size: 1.0625rem;
    color: rgba(0, 0, 0, 0.5);
    line-height: 1.9;
}

/* Stat Block with Counter */
.stat {
    background: linear-gradient(135deg, #303030 0%, #000000 100%);
    border-radius: 16px;
    padding: 4rem;
}
.stat__number {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}
.stat__prefix {
    font-size: 1.5rem;
    font-weight: 500;
    color: #ffffff;
    letter-spacing: -0.015em;
}
.stat__value {
    font-family: var(--font-display);
    font-size: clamp(3rem, 7vw, 5.5rem);
    font-weight: 400;
    color: #ffffff;
    line-height: 1;
}
.stat__suffix {
    font-size: 1.5rem;
    font-weight: 500;
    color: #ffffff;
    letter-spacing: -0.015em;
}
.stat__desc {
    font-size: 1.0625rem;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.8;
    max-width: 600px;
}

/* === IDEA SECTION (DARK) === */
.idea {
    padding: 10rem 0;
    background: linear-gradient(135deg, #D76D59 0%, #B13E31 100%);
    color: #fff;
}
.idea h2 {
    font-family: var(--font-display);
    font-size: clamp(2.25rem, 5vw, 3.5rem);
    font-weight: 400;
    line-height: 1.1;
    margin-bottom: 2rem;
    max-width: 700px;
}
.idea p {
    font-size: 1.0625rem;
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.9;
    max-width: 600px;
    margin-bottom: 1.25rem;
}
.idea__punch {
    font-size: 1.5rem !important;
    font-weight: 600 !important;
    color: #fff !important;
    margin-top: 2rem !important;
    letter-spacing: -0.015em;
}

/* === HOW IT WORKS (TABBED) === */
.how {
    padding: 10rem 0;
    background: var(--light);
}
.how h2 {
    font-family: var(--font-display);
    font-size: clamp(2.25rem, 5vw, 3.5rem);
    font-weight: 400;
    line-height: 1.1;
    margin-bottom: 4rem;
}
.tabs__layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 0;
    border: 1px solid rgba(0,0,0,0.08);
    border-radius: 4px;
    overflow: hidden;
}
.tabs__nav {
    display: flex;
    flex-direction: column;
    border-right: 1px solid rgba(0,0,0,0.08);
}
.tabs__btn {
    background: none;
    border: none;
    padding: 1.75rem 2rem;
    cursor: pointer;
    text-align: left;
    border-bottom: 1px solid rgba(0,0,0,0.06);
    transition: background 0.2s;
}
.tabs__btn:last-child {
    border-bottom: none;
}
.tabs__btn.active {
    background: var(--black);
}
.tabs__btn::after {
    display: none;
}
.tabs__num {
    display: block;
    font-size: 0.6875rem;
    font-weight: 600;
    color: rgba(0,0,0,0.25);
    margin-bottom: 0.375rem;
    letter-spacing: 0.02em;
}
.tabs__btn.active .tabs__num {
    color: rgba(255,255,255,0.4);
}
.tabs__label {
    font-family: var(--font-display);
    font-size: 1.375rem;
    font-weight: 400;
    color: rgba(0,0,0,0.4);
}
.tabs__btn.active .tabs__label {
    color: #fff;
}

.tabs__panels {
    padding: 0;
}
.tabs__panel {
    display: none;
    padding: 2.5rem 3rem;
}
.tabs__panel.active {
    display: block;
    animation: fadeUp 0.4s ease;
}
.tabs__panel-img {
    width: 100%;
    height: 320px;
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 2rem;
}
.tabs__panel-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.tabs__panel h3 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -0.015em;
}
.tabs__panel p {
    font-size: 1.0625rem;
    color: rgba(0,0,0,0.5);
    line-height: 1.9;
    max-width: 520px;
}

/* === BETA SECTION (DARK) === */
.beta {
    padding: 10rem 0;
    background: linear-gradient(180deg, #212121 0%, #000000 100%);
    color: #fff;
}
.beta h2 {
    font-family: var(--font-display);
    font-size: clamp(2.25rem, 5vw, 3.5rem);
    font-weight: 400;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}
.beta__card {
    background: url('assets/form_img.png') center center / cover no-repeat;
    border: 1px solid #303030;
    border-radius: 20px;
    padding: 4.5rem 5rem;
    max-width: 1100px;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
}
.beta__card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(33,33,33,0.85);
    border-radius: 20px;
}
.beta__card > * {
    position: relative;
    z-index: 1;
}
.beta p {
    font-size: 1.0625rem;
    color: rgba(255, 255, 255, 0.45);
    line-height: 1.9;
    margin-bottom: 1rem;
    max-width: 600px;
}
.beta__list {
    list-style: none;
    margin: 2.5rem 0 3rem;
}
.beta__list li {
    padding: 1.25rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.75);
    padding-left: 2rem;
    position: relative;
}
.beta__list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #4caf50;
    font-weight: 700;
}

/* === PRODUCTS === */
.products {
    padding: 10rem 0;
    background: var(--white);
}
.products h2 {
    font-family: var(--font-display);
    font-size: clamp(2.25rem, 5vw, 3.5rem);
    font-weight: 400;
    line-height: 1.1;
    margin-bottom: 1.25rem;
}
.products__intro {
    font-size: 1.0625rem;
    color: rgba(0, 0, 0, 0.5);
    line-height: 1.9;
    max-width: 600px;
    margin-bottom: 4rem;
}
.products__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}
.product-card {
    padding: 3.5rem;
    background: linear-gradient(135deg, #F05436 0%, #B13E31 100%);
    border-radius: 16px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: default;
    color: #fff;
}
.product-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(177, 62, 49, 0.2);
}
.product-card__tag {
    display: inline-block;
    font-size: 0.625rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: rgba(255,255,255,0.7);
    background: rgba(255,255,255,0.15);
    padding: 0.25rem 0.625rem;
    border-radius: 4px;
    margin-bottom: 1.5rem;
}
.product-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.875rem;
    letter-spacing: -0.015em;
    color: #fff;
}
.product-card p {
    font-size: 1rem;
    color: rgba(255,255,255,0.75);
    line-height: 1.8;
}

/* === INSIGHTS === */
.insights {
    padding: 10rem 0;
    background: var(--light);
}
.insights h2 {
    font-family: var(--font-display);
    font-size: clamp(2.25rem, 5vw, 3.5rem);
    font-weight: 400;
    line-height: 1.1;
    margin-bottom: 0.75rem;
}
.insights__intro {
    font-size: 1.0625rem;
    color: rgba(0, 0, 0, 0.5);
    margin-bottom: 3.5rem;
    line-height: 1.8;
}
.insight-card {
    background: var(--white);
    border-radius: 16px;
    padding: 3.5rem;
    border: 1px solid rgba(0, 0, 0, 0.04);
    transition: box-shadow 0.3s;
}
.insight-card:hover {
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.04);
}
.insight-card__header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    cursor: pointer;
    gap: 2rem;
}
.insight-card__header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    letter-spacing: -0.015em;
}
.insight-card__subtitle {
    font-size: 1rem;
    color: rgba(0, 0, 0, 0.5);
    line-height: 1.7;
}
.insight-card__toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    color: rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease;
    flex-shrink: 0;
}
.insight-card.expanded .insight-card__toggle {
    transform: rotate(180deg);
}
.insight-card__body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s cubic-bezier(0.16, 1, 0.3, 1), padding 0.5s ease;
    padding-top: 0;
}
.insight-card__body.open {
    max-height: 600px;
    padding-top: 2.5rem;
    border-top: 1px solid rgba(0, 0, 0, 0.06);
    margin-top: 2rem;
}
.insight-card__body p {
    font-size: 1rem;
    color: rgba(0, 0, 0, 0.5);
    line-height: 1.9;
    margin-bottom: 1.25rem;
}
.insight-card__body a {
    color: var(--accent);
    font-weight: 500;
}

/* === ABOUT (DARK) === */
.about {
    padding: 10rem 0;
    background: linear-gradient(180deg, #212121 0%, #000000 100%);
    color: #fff;
}
.about h2 {
    font-family: var(--font-display);
    font-size: clamp(2.25rem, 5vw, 3.5rem);
    font-weight: 400;
    line-height: 1.1;
    margin-bottom: 2rem;
}
.about p {
    font-size: 1.0625rem;
    color: rgba(255, 255, 255, 0.45);
    line-height: 1.9;
    margin-bottom: 1.25rem;
    max-width: 700px;
}

/* === FOOTER === */
.footer {
    padding: 5rem 0 2.5rem;
    background: linear-gradient(180deg, #1a1a1a 0%, #000000 100%);
}
.footer__top {
    display: flex;
    gap: 5rem;
    margin-bottom: 4rem;
}
.footer__brand {
    flex-shrink: 0;
}
.footer__logo {
    height: 20px;
    opacity: 0.6;
}
.footer__col {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.footer__col h4 {
    font-size: 0.625rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: rgba(255, 255, 255, 0.2);
    margin-bottom: 0.5rem;
}
.footer__col a,
.footer__col span {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.4);
    transition: color 0.2s;
}
.footer__col a:hover {
    color: #fff;
}
.footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding-top: 2rem;
}
.footer__bottom p {
    font-size: 0.6875rem;
    color: rgba(255, 255, 255, 0.2);
    line-height: 1.8;
}
.footer__bottom a {
    color: rgba(255, 255, 255, 0.3);
    transition: color 0.2s;
}
.footer__bottom a:hover {
    color: #fff;
}

/* === WHATSAPP FLOAT === */
.whatsapp-float {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: #0EA73D;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(14, 167, 61, 0.3);
    z-index: 90;
    transition: transform 0.2s, box-shadow 0.2s;
}
.whatsapp-float:hover {
    transform: scale(1.08);
    box-shadow: 0 6px 28px rgba(14, 167, 61, 0.4);
}

/* === MODAL === */
.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 2000;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    padding: 1.5rem;
}
.modal-overlay.active {
    opacity: 1;
    pointer-events: all;
}
.modal {
    background: var(--white);
    border-radius: 16px;
    padding: 3rem;
    max-width: 480px;
    width: 100%;
    position: relative;
    max-height: 90vh;
    overflow-y: auto;
    transform: translateY(20px);
    transition: transform 0.3s ease;
}
.modal-overlay.active .modal {
    transform: translateY(0);
}
.modal__close {
    position: absolute;
    top: 1.25rem;
    right: 1.5rem;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: rgba(0, 0, 0, 0.3);
    cursor: pointer;
    transition: color 0.2s;
    line-height: 1;
}
.modal__close:hover {
    color: var(--black);
}
.modal h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 400;
    margin-bottom: 0.375rem;
}
.modal__desc {
    font-size: 0.875rem;
    color: rgba(0, 0, 0, 0.4);
    margin-bottom: 2rem;
}

.modal__form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.modal__row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}
.modal__field {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}
.modal__field label {
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: rgba(0, 0, 0, 0.4);
}
.modal__field input {
    padding: 0.875rem 1rem;
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 8px;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    color: var(--black);
    outline: none;
    transition: border-color 0.2s;
}
.modal__field input:focus {
    border-color: var(--accent);
}
.modal__field input::placeholder {
    color: rgba(0, 0, 0, 0.2);
}
.modal__success {
    display: none;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 2.5rem 0;
}
.modal__success-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: rgba(76, 175, 80, 0.08);
    color: #4caf50;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
}
.modal__success h3 {
    margin-bottom: 0.375rem;
}
.modal__success p {
    font-size: 0.875rem;
    color: rgba(0, 0, 0, 0.4);
}

/* === RESPONSIVE === */
@media (max-width: 1024px) {
    .container {
        padding: 0 2rem;
    }
    .nav__inner {
        padding: 0 2rem;
    }
    .hero {
        padding: 8rem 0 6rem;
    }
    .problem, .idea, .how, .beta, .products, .insights, .about {
        padding: 8rem 0;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 1.5rem;
    }
    .nav__inner {
        padding: 0 1.5rem;
    }
    .nav__links, .btn--cta {
        display: none;
    }
    .nav__toggle {
        display: flex;
    }
    .nav__logo-dark, .nav__logo-light {
        height: 16px;
    }
    .hero {
        padding: 7rem 0 5rem;
        min-height: auto;
    }
    .hero h1 {
        font-size: clamp(2.75rem, 11vw, 3.75rem);
    }
    .hero__sub {
        font-size: 1.125rem;
    }
    .hero__actions {
        flex-direction: column;
        align-items: flex-start;
    }
    .problem, .idea, .how, .beta, .products, .insights, .about {
        padding: 6rem 0;
    }
    .problem__content p,
    .stat__desc,
    .idea p,
    .tabs__panel p,
    .beta > .container p,
    .beta__card p,
    .products__intro,
    .product-card p,
    .insights__intro,
    .insight-card__subtitle,
    .insight-card__body p,
    .about p,
    .hero__desc {
        font-size: 0.875rem;
    }
    .beta {
        padding: 4rem 0;
    }
    .stat {
        padding: 2.5rem;
    }
    .stat__value {
        font-size: 3rem;
    }
    .tabs__layout {
        grid-template-columns: 1fr;
    }
    .tabs__nav {
        flex-direction: row;
        border-right: none;
        border-bottom: 1px solid rgba(0,0,0,0.08);
    }
    .tabs__btn {
        flex: 1;
        padding: 1.25rem 1rem;
        border-bottom: none;
        border-right: 1px solid rgba(0,0,0,0.06);
    }
    .tabs__btn:last-child { border-right: none; }
    .tabs__label { font-size: 1.125rem; }
    .tabs__panel { padding: 2rem 1.5rem; }
    .tabs__panel-img { height: 120px; }
    .products__grid {
        grid-template-columns: 1fr;
    }
    .product-card {
        padding: 2.5rem;
    }
    .insight-card {
        padding: 2.5rem;
    }
    .beta__card {
        padding: 2rem 1.5rem;
        border-radius: 12px;
        max-width: 100%;
    }
    .beta h2 {
        font-size: 1.75rem;
    }
    .beta__list li {
        font-size: 0.8125rem;
        padding-left: 1.25rem;
    }
    .beta p {
        font-size: 0.875rem;
    }
    .beta .btn--large {
        font-size: 0.875rem;
        padding: 0.75rem 1.75rem;
    }
    .idea__punch {
        font-size: 1.0625rem !important;
    }
    .insight-card__header {
        flex-direction: column;
        gap: 1rem;
    }
    .footer__top {
        flex-direction: column;
        gap: 2.5rem;
    }
    .modal__row {
        grid-template-columns: 1fr;
    }
    .modal {
        padding: 2rem;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2.25rem;
    }
    .problem__content h2,
    .idea h2,
    .how h2,
    .beta h2,
    .products h2,
    .insights h2,
    .about h2 {
        font-size: 2rem;
    }
    .tabs__panel h3 {
        font-size: 1.5rem;
    }
    .stat {
        padding: 2rem;
    }
}

/* Steel gradient logo */
.nav__logo img {
    filter: brightness(1.1) contrast(0.85);
    opacity: 0.85;
}
.nav.scrolled .nav__logo img {
    filter: brightness(0.7) contrast(1.1);
}
.footer__logo {
    filter: brightness(1.1) contrast(0.85);
    opacity: 0.7;
}