/* ======================================================
   SafeDream – styles.css
   Material You (MD3) · Light Surface · LTR / English
   ====================================================== */

/* --- Brand Variables (MD3 Token System) --- */
:root {
    --sd-surface:           #FDFBFF;
    --sd-surface-container: #F0F5FA;
    --sd-surface-deep:      #EAF2F8;
    --sd-surface-low:       #E8EEF4;
    --sd-primary:           #00A3E0;
    --sd-primary-dim:       rgba(0, 163, 224, 0.12);
    --sd-primary-glow:      rgba(0, 163, 224, 0.25);
    --sd-on-primary:        #FFFFFF;
    --sd-tertiary:          #E5007D;
    --sd-tertiary-dim:      rgba(229, 0, 125, 0.10);
    --sd-tertiary-glow:     rgba(229, 0, 125, 0.20);
    --sd-on-surface:        #1A1C1E;
    --sd-on-surface-var:    #44474A;
    --sd-outline:           rgba(26, 28, 30, 0.12);
    --sd-radius-btn:        9999px;
    --sd-radius-card:       24px;
    --sd-radius-card-lg:    32px;
    --sd-radius-hero:       48px;
    --sd-ease:              cubic-bezier(0.2, 0, 0, 1);
    --sd-shadow-sm:         0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
    --sd-shadow-md:         0 4px 16px rgba(0,0,0,0.10), 0 2px 6px rgba(0,0,0,0.07);
    --sd-shadow-lg:         0 12px 40px rgba(0,0,0,0.12), 0 4px 12px rgba(0,0,0,0.08);
}

/* ======== RESET & BASE ======== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
}

body {
    font-family: 'Roboto', sans-serif;
    font-weight: 400;
    background-color: var(--sd-surface);
    color: var(--sd-on-surface);
    overflow-x: hidden;
    line-height: 1.6;
}

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

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

ul {
    list-style: none;
}

/* Shared layout helpers */
.section-container {
    max-width: 1160px;
    margin: 0 auto;
    padding: 0 40px;
}

.section-eyebrow {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--sd-primary);
    margin-bottom: 16px;
    text-align: center;
}

.section-eyebrow--light {
    color: rgba(255, 255, 255, 0.7);
}

.section-title {
    font-size: 2.6rem;
    font-weight: 300;
    line-height: 1.2;
    color: var(--sd-on-surface);
    text-align: center;
    margin-bottom: 56px;
}

.section-title strong {
    font-weight: 700;
    color: var(--sd-on-surface);
}

/* ======== HEADER ======== */
.sd-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 9999;
    background: rgba(253, 251, 255, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid transparent;
    transition: background var(--sd-ease) 0.3s,
                border-color var(--sd-ease) 0.3s,
                box-shadow var(--sd-ease) 0.3s;
}

.sd-header.scrolled {
    background: rgba(253, 251, 255, 0.97);
    border-bottom-color: var(--sd-outline);
    box-shadow: var(--sd-shadow-sm);
}

.header-inner {
    max-width: 1160px;
    margin: 0 auto;
    padding: 0 40px;
    height: 68px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header-logo a {
    display: flex;
    align-items: center;
}

.header-logo img {
    height: 38px;
    width: auto;
    display: block;
}

.header-nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-anchor {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--sd-on-surface-var);
    padding: 8px 16px;
    border-radius: var(--sd-radius-btn);
    transition: background var(--sd-ease) 0.2s, color var(--sd-ease) 0.2s;
}

.nav-anchor:hover {
    background: var(--sd-primary-dim);
    color: var(--sd-primary);
}

.nav-anchor--cta {
    background: var(--sd-primary);
    color: var(--sd-on-primary);
    font-weight: 600;
    padding: 9px 22px;
    box-shadow: 0 2px 8px var(--sd-primary-glow);
}

.nav-anchor--cta:hover {
    background: #0091C7;
    color: var(--sd-on-primary);
    box-shadow: 0 4px 16px var(--sd-primary-glow);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 36px;
    height: 36px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 4px;
    border-radius: 8px;
    transition: background var(--sd-ease) 0.2s;
}

.menu-toggle:hover {
    background: var(--sd-primary-dim);
}

.hamburger-line {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--sd-on-surface);
    border-radius: 2px;
    transition: transform var(--sd-ease) 0.35s, opacity var(--sd-ease) 0.35s;
}

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

.menu-toggle.is-open .hamburger-line:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

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

/* ======== MOBILE MENU (flyout) ======== */
.menu-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(26, 28, 30, 0.35);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
    z-index: 9997;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--sd-ease) 0.35s, visibility var(--sd-ease) 0.35s;
}

.menu-backdrop.is-open {
    opacity: 1;
    visibility: visible;
}

.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 300px;
    height: 100dvh;
    background: rgba(253, 251, 255, 0.99);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-right: 1px solid var(--sd-outline);
    box-shadow: 8px 0 40px rgba(0, 0, 0, 0.12);
    z-index: 9998;
    display: flex;
    flex-direction: column;
    padding: 88px 20px 40px;
    gap: 4px;
    transform: translateX(-100%);
    transition: transform var(--sd-ease) 0.4s;
    overflow-y: auto;
}

.mobile-menu.is-open {
    transform: translateX(0);
}

.mobile-menu-header {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 68px;
    display: flex;
    align-items: center;
    padding: 0 20px;
    border-bottom: 1px solid var(--sd-outline);
}

.mobile-menu-logo {
    height: 30px;
    width: auto;
}

.mobile-nav-link {
    font-size: 1.05rem;
    font-weight: 500;
    color: var(--sd-on-surface);
    padding: 14px 20px;
    border-radius: var(--sd-radius-card);
    transition: background var(--sd-ease) 0.2s, color var(--sd-ease) 0.2s;
    display: block;
}

.mobile-nav-link:hover {
    background: var(--sd-primary-dim);
    color: var(--sd-primary);
}

.mobile-menu-footer {
    margin-top: auto;
    padding-top: 24px;
    border-top: 1px solid var(--sd-outline);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.mobile-menu-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 13px 20px;
    border-radius: var(--sd-radius-btn);
    background: var(--sd-primary);
    color: var(--sd-on-primary);
    font-size: 0.95rem;
    font-weight: 600;
    transition: background var(--sd-ease) 0.2s;
}

.mobile-menu-cta:hover {
    background: #0091C7;
    color: var(--sd-on-primary);
}

/* ======== HERO SECTION ======== */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: clamp(40px, 5vw, 80px);
    padding: 120px max(48px, calc(50vw - 560px)) 80px;
    overflow: hidden;
    background-color: var(--sd-surface);
}

.hero-bg-shape {
    position: absolute;
    border-radius: 9999px;
    filter: blur(90px);
    pointer-events: none;
    z-index: 0;
}

.shape-cyan {
    width: 600px;
    height: 600px;
    background: var(--sd-primary);
    opacity: 0.13;
    top: -180px;
    right: -120px;
}

.shape-magenta {
    width: 480px;
    height: 480px;
    background: var(--sd-tertiary);
    opacity: 0.10;
    bottom: -100px;
    left: -80px;
}

.hero-content {
    position: relative;
    z-index: 1;
    flex: 1;
    max-width: 580px;
}

.hero-eyebrow {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    color: var(--sd-primary);
    background: var(--sd-primary-dim);
    padding: 6px 18px;
    border-radius: var(--sd-radius-btn);
    margin-bottom: 28px;
}

.hero-title {
    font-size: 3.8rem;
    font-weight: 300;
    line-height: 1.12;
    color: var(--sd-on-surface);
    margin-bottom: 24px;
    letter-spacing: -0.5px;
}

.text-primary {
    color: var(--sd-primary);
    font-weight: 700;
}

.hero-subtitle {
    font-size: 1.15rem;
    font-weight: 400;
    color: var(--sd-on-surface-var);
    line-height: 1.7;
    margin-bottom: 44px;
    max-width: 500px;
}

.hero-cta-row {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* Shared Button System */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    font-family: 'Roboto', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--sd-radius-btn);
    transition: all var(--sd-ease) 0.25s;
    cursor: pointer;
    border: none;
    white-space: nowrap;
}

.btn:active {
    transform: scale(0.95);
}

.btn-filled {
    background: var(--sd-primary);
    color: var(--sd-on-primary);
    box-shadow: 0 2px 12px var(--sd-primary-glow);
}

.btn-filled:hover {
    background: #0091C7;
    box-shadow: 0 4px 20px var(--sd-primary-glow);
    transform: translateY(-1px);
}

.btn-tonal {
    background: var(--sd-surface-container);
    color: var(--sd-primary);
    border: 1px solid var(--sd-outline);
}

.btn-tonal:hover {
    background: var(--sd-primary-dim);
    border-color: var(--sd-primary);
}

/* Hero Visual */
.hero-visual {
    position: relative;
    z-index: 1;
    flex-shrink: 0;
}

.hero-crib-float {
    position: relative;
    animation: floatCard 7s ease-in-out infinite;
}

.hero-crib-float::before {
    content: '';
    position: absolute;
    bottom: -24px;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 40px;
    background: radial-gradient(ellipse at center,
        rgba(0, 163, 224, 0.18) 0%,
        transparent 70%);
    filter: blur(16px);
    pointer-events: none;
    border-radius: 50%;
    animation: glowPulse 4s ease-in-out infinite;
}

.hero-crib-img {
    width: 420px;
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: var(--sd-radius-hero);
    box-shadow: 0 32px 64px rgba(0, 0, 0, 0.12),
                0 8px 24px rgba(0, 163, 224, 0.10);
    border: 1px solid rgba(255, 255, 255, 0.8);
}

/* ======== THE DEAL SECTION ======== */
.deal-section {
    background-color: var(--sd-surface);
    padding: 100px 0;
}

.deal-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
}

.deal-card {
    border-radius: var(--sd-radius-card);
    padding: 44px;
    transition: transform var(--sd-ease) 0.3s, box-shadow var(--sd-ease) 0.3s;
    cursor: default;
}

.deal-card:hover {
    transform: scale(1.02);
    box-shadow: var(--sd-shadow-md);
}

.deal-card--problem {
    background: var(--sd-surface-low);
    box-shadow: var(--sd-shadow-sm);
}

.deal-card--solution {
    background: var(--sd-surface-container);
    box-shadow: var(--sd-shadow-sm);
    border: 1px solid rgba(0, 163, 224, 0.15);
    position: relative;
    overflow: hidden;
}

.deal-card--solution::after {
    content: '';
    position: absolute;
    top: -60px;
    right: -60px;
    width: 200px;
    height: 200px;
    background: var(--sd-primary);
    opacity: 0.07;
    border-radius: 50%;
    filter: blur(40px);
    pointer-events: none;
}

.deal-card-img-wrap {
    width: 100%;
    aspect-ratio: 4 / 3;
    border-radius: 16px;
    overflow: hidden;
    margin-bottom: 28px;
    background: var(--sd-outline);
}

.deal-card-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
    transition: transform var(--sd-ease) 0.5s;
}

.deal-card:hover .deal-card-img {
    transform: scale(1.04);
}

.deal-card-icon-wrap {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: rgba(229, 0, 125, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.deal-card-icon-wrap--primary {
    background: var(--sd-primary-dim);
}

.deal-icon {
    width: 24px;
    height: 24px;
    color: var(--sd-tertiary);
    stroke-width: 1.8;
}

.deal-icon--primary {
    color: var(--sd-primary);
}

.deal-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--sd-on-surface);
    margin-bottom: 14px;
}

.deal-card p {
    font-size: 0.975rem;
    color: var(--sd-on-surface-var);
    line-height: 1.7;
    margin-bottom: 20px;
}

.deal-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.deal-list li {
    font-size: 0.9rem;
    color: var(--sd-on-surface-var);
    padding-left: 20px;
    position: relative;
}

.deal-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--sd-tertiary);
    opacity: 0.6;
}

.deal-sides {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.deal-side {
    padding: 16px 0;
}

.deal-side-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--sd-primary);
    margin-bottom: 8px;
}

.deal-side p {
    margin-bottom: 0;
}

.deal-divider {
    height: 1px;
    background: var(--sd-outline);
    width: 100%;
}

/* ======== MARKET SECTION ======== */
.market-section {
    background-color: var(--sd-surface-container);
    padding: 100px 0;
}

.market-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
}

.market-pill {
    padding: 44px;
    background: var(--sd-surface);
    box-shadow: var(--sd-shadow-sm);
    transition: transform var(--sd-ease) 0.3s, box-shadow var(--sd-ease) 0.3s;
}

.market-pill:hover {
    transform: scale(1.02);
    box-shadow: var(--sd-shadow-md);
}

.market-pill--1 {
    border-radius: 48px 16px 48px 16px;
}

.market-pill--2 {
    border-radius: 16px 48px 16px 48px;
}

.market-pill-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--sd-primary-dim);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 22px;
}

.market-icon {
    width: 26px;
    height: 26px;
    color: var(--sd-primary);
    stroke-width: 1.8;
}

.market-pill h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--sd-on-surface);
    margin-bottom: 12px;
}

.market-pill p {
    font-size: 0.95rem;
    color: var(--sd-on-surface-var);
    line-height: 1.7;
}

.market-stat-card {
    padding: 44px;
    background: var(--sd-primary);
    border-radius: var(--sd-radius-card);
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 12px;
    box-shadow: 0 8px 28px var(--sd-primary-glow);
}

.market-stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--sd-on-primary);
    line-height: 1;
    letter-spacing: -1px;
}

.market-stat-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.82);
    line-height: 1.5;
    font-weight: 400;
}

/* ======== VALUE PROPOSITION SECTION ======== */
.value-section {
    background-color: var(--sd-surface);
    padding: 100px 0;
}

.value-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.value-card {
    background: var(--sd-surface-container);
    border-radius: var(--sd-radius-card);
    padding: 36px 28px;
    position: relative;
    overflow: hidden;
    transition: transform var(--sd-ease) 0.3s, box-shadow var(--sd-ease) 0.3s;
    cursor: default;
    border: 1px solid var(--sd-outline);
}

.value-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--sd-shadow-md);
}

.value-card::after {
    content: '';
    position: absolute;
    bottom: -40px;
    right: -40px;
    width: 120px;
    height: 120px;
    background: radial-gradient(circle, var(--sd-primary) 0%, transparent 70%);
    opacity: 0;
    transition: opacity var(--sd-ease) 0.4s;
    pointer-events: none;
}

.value-card:hover::after {
    opacity: 0.08;
}

.value-icon-circle {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 22px;
    transition: transform var(--sd-ease) 0.3s;
    position: relative;
    z-index: 1;
    box-shadow: var(--sd-shadow-sm);
}

.value-card:hover .value-icon-circle {
    transform: scale(1.1);
}

.value-icon-circle svg {
    width: 24px;
    height: 24px;
    color: var(--sd-primary);
    stroke-width: 1.8;
}

.value-card h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--sd-on-surface);
    margin-bottom: 10px;
    position: relative;
    z-index: 1;
}

.value-card p {
    font-size: 0.875rem;
    color: var(--sd-on-surface-var);
    line-height: 1.65;
    position: relative;
    z-index: 1;
}

/* ======== PRODUCT / HOW IT WORKS SECTION ======== */
.product-section {
    background-color: var(--sd-surface-container);
    padding: 100px 0;
}

.steps-timeline {
    max-width: 720px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: stretch;
}

.step-card {
    background: var(--sd-surface);
    border-radius: var(--sd-radius-card-lg);
    padding: 36px 44px;
    display: flex;
    align-items: flex-start;
    gap: 32px;
    box-shadow: var(--sd-shadow-sm);
    border: 1px solid var(--sd-outline);
    opacity: 0;
    transform: translateY(20px);
    transition: transform var(--sd-ease) 0.3s, box-shadow var(--sd-ease) 0.3s;
}

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

.step-card:hover {
    box-shadow: var(--sd-shadow-md);
    transform: translateY(-2px);
}

.step-number {
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--sd-primary);
    opacity: 0.15;
    line-height: 1;
    flex-shrink: 0;
    min-width: 60px;
}

.step-content {
    display: flex;
    align-items: flex-start;
    gap: 22px;
    flex: 1;
}

.step-icon-wrap {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--sd-primary-dim);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.step-icon-wrap--active {
    background: var(--sd-tertiary-dim);
}

.step-icon-wrap svg {
    width: 22px;
    height: 22px;
    color: var(--sd-primary);
    stroke-width: 1.8;
}

.step-icon-wrap--active svg {
    color: var(--sd-tertiary);
}

.step-text h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--sd-on-surface);
    margin-bottom: 8px;
}

.step-text p {
    font-size: 0.925rem;
    color: var(--sd-on-surface-var);
    line-height: 1.68;
}

.step-connector {
    width: 2px;
    height: 32px;
    background: linear-gradient(to bottom, var(--sd-primary), transparent);
    opacity: 0.25;
    align-self: center;
    margin: 0 auto;
}

/* ======== MARKET VALIDATION SECTION ======== */
.validation-section {
    background-color: var(--sd-surface);
    padding: 100px 0;
}

.validation-card {
    background: var(--sd-surface-deep);
    border-radius: var(--sd-radius-hero);
    padding: 80px 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
    box-shadow: var(--sd-shadow-sm);
    border: 1px solid var(--sd-outline);
}

.validation-bg-shape {
    position: absolute;
    top: -80px;
    right: -80px;
    width: 340px;
    height: 340px;
    background: var(--sd-tertiary);
    opacity: 0.08;
    border-radius: 50%;
    filter: blur(70px);
    pointer-events: none;
}

.validation-quote {
    font-size: 2.2rem;
    font-weight: 500;
    color: var(--sd-on-surface);
    line-height: 1.35;
    margin: 24px auto 32px;
    max-width: 760px;
    font-style: normal;
    position: relative;
    z-index: 1;
}

.validation-body {
    font-size: 1rem;
    color: var(--sd-on-surface-var);
    line-height: 1.75;
    max-width: 620px;
    margin: 0 auto 60px;
    position: relative;
    z-index: 1;
}

.validation-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    position: relative;
    z-index: 1;
}

.validation-stat {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.v-stat-num {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--sd-primary);
    line-height: 1;
}

.v-stat-label {
    font-size: 0.85rem;
    color: var(--sd-on-surface-var);
    line-height: 1.5;
}

/* ======== TEAM & CONNECT SECTION ======== */
.team-section {
    background-color: var(--sd-surface-container);
    padding: 100px 0;
}

.founders-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    max-width: 760px;
    margin: 0 auto;
}

.founder-card {
    background: var(--sd-surface);
    border-radius: var(--sd-radius-card-lg);
    padding: 44px 36px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    text-align: center;
    box-shadow: var(--sd-shadow-sm);
    border: 1px solid var(--sd-outline);
    transition: transform var(--sd-ease) 0.3s, box-shadow var(--sd-ease) 0.3s;
}

.founder-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--sd-shadow-md);
}

.founder-avatar {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--sd-on-primary);
    margin-bottom: 8px;
}

.founder-avatar--cyan {
    background: linear-gradient(135deg, var(--sd-primary), #0091C7);
    box-shadow: 0 6px 20px var(--sd-primary-glow);
}

.founder-avatar--magenta {
    background: linear-gradient(135deg, var(--sd-tertiary), #C2006A);
    box-shadow: 0 6px 20px var(--sd-tertiary-glow);
}

.founder-name {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--sd-on-surface);
    margin: 0;
}

.founder-role {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--sd-on-surface-var);
    letter-spacing: 0.5px;
}

.founder-chips {
    display: flex;
    flex-direction: column;
    gap: 8px;
    width: 100%;
    margin: 8px 0 16px;
}

.contact-chip {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: var(--sd-radius-btn);
    background: var(--sd-surface-container);
    border: 1px solid var(--sd-outline);
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--sd-on-surface);
    transition: all var(--sd-ease) 0.2s;
}

.contact-chip:hover {
    background: var(--sd-primary-dim);
    color: var(--sd-primary);
    border-color: var(--sd-primary);
}

.contact-chip:active {
    transform: scale(0.95);
}

.contact-chip--muted {
    opacity: 0.45;
    cursor: default;
    pointer-events: none;
}

.chip-icon {
    width: 15px;
    height: 15px;
    stroke-width: 2;
    flex-shrink: 0;
}

/* WhatsApp FABs */
.whatsapp-fab {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 14px 24px;
    border-radius: var(--sd-radius-btn);
    font-size: 0.95rem;
    font-weight: 600;
    font-family: 'Roboto', sans-serif;
    transition: all var(--sd-ease) 0.25s;
    cursor: pointer;
    margin-top: 4px;
}

.whatsapp-fab:active {
    transform: scale(0.95);
}

.fab-icon {
    width: 20px;
    height: 20px;
    stroke-width: 2;
    flex-shrink: 0;
}

.fab-cyan {
    background: var(--sd-primary);
    color: var(--sd-on-primary);
    box-shadow: 0 4px 16px var(--sd-primary-glow);
}

.fab-cyan:hover {
    background: #0091C7;
    box-shadow: 0 6px 24px var(--sd-primary-glow);
    transform: translateY(-2px);
}

.fab-magenta {
    background: var(--sd-tertiary);
    color: var(--sd-on-primary);
    box-shadow: 0 4px 16px var(--sd-tertiary-glow);
}

.fab-magenta:hover {
    background: #C2006A;
    box-shadow: 0 6px 24px var(--sd-tertiary-glow);
    transform: translateY(-2px);
}

/* ======== FOOTER ======== */
.sd-footer {
    background-color: var(--sd-on-surface);
    color: rgba(255, 255, 255, 0.85);
    padding: 60px 40px 0;
}

.footer-inner {
    max-width: 1160px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 24px;
}

.footer-logo {
    height: 40px;
    width: auto;
    display: block;
    opacity: 0.9;
    filter: brightness(0) invert(1);
}

.footer-tagline {
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.45);
}

.footer-links-row {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: center;
}

.footer-links-row a {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
    padding: 6px 14px;
    border-radius: var(--sd-radius-btn);
    transition: background var(--sd-ease) 0.2s, color var(--sd-ease) 0.2s;
}

.footer-links-row a:hover {
    background: rgba(255, 255, 255, 0.08);
    color: #ffffff;
}

.footer-contact-row {
    display: flex;
    gap: 48px;
    flex-wrap: wrap;
    justify-content: center;
}

.footer-contact-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.footer-contact-label {
    display: block;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.35);
}

.footer-contact-value {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.75);
    font-weight: 400;
    transition: color var(--sd-ease) 0.2s;
}

.footer-contact-value:hover {
    color: var(--sd-primary);
}

.footer-bottom {
    width: 100%;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 20px 0;
    margin-top: 12px;
    text-align: center;
    font-size: 0.78rem;
    color: rgba(255, 255, 255, 0.25);
}

/* ======== KEYFRAMES ======== */
@keyframes fadeInUp {
    0%   { opacity: 0; transform: translateY(24px); }
    100% { opacity: 1; transform: translateY(0); }
}

@keyframes floatCard {
    0%, 100% { transform: translateY(0px); }
    50%       { transform: translateY(-12px); }
}

@keyframes glowPulse {
    0%, 100% { opacity: 0.6; transform: scale(1); }
    50%       { opacity: 1;   transform: scale(1.08); }
}

@keyframes heroBgPulse {
    0%, 100% { opacity: 0.13; }
    50%       { opacity: 0.18; }
}

/* ======== RESPONSIVE – 768px (Mobile) ======== */
@media (max-width: 768px) {

    .header-inner {
        padding: 0 20px;
    }

    .header-nav {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

    .hero-section {
        flex-direction: column;
        min-height: 100dvh;
        padding: 100px 24px 60px;
        text-align: center;
        gap: 40px;
        justify-content: center;
    }

    .hero-content {
        max-width: 100%;
    }

    .hero-eyebrow {
        margin-bottom: 20px;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1rem;
        max-width: 100%;
    }

    .hero-cta-row {
        justify-content: center;
    }

    .hero-visual {
        width: 100%;
        display: flex;
        justify-content: center;
    }

    .hero-crib-img {
        width: 280px;
        border-radius: 32px;
    }

    .section-container {
        padding: 0 20px;
    }

    .section-title {
        font-size: 1.9rem;
        margin-bottom: 36px;
    }

    .deal-section,
    .market-section,
    .value-section,
    .product-section,
    .validation-section,
    .team-section {
        padding: 72px 0;
    }

    .deal-grid {
        grid-template-columns: 1fr;
    }

    .deal-card {
        padding: 32px 28px;
    }

    .market-grid {
        grid-template-columns: 1fr;
    }

    .value-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .value-card {
        padding: 28px 20px;
    }

    .steps-timeline {
        max-width: 100%;
    }

    .step-card {
        padding: 28px 24px;
        flex-direction: column;
        gap: 16px;
    }

    .step-number {
        font-size: 2rem;
    }

    .validation-card {
        padding: 52px 28px;
        border-radius: 32px;
    }

    .validation-quote {
        font-size: 1.5rem;
    }

    .validation-stats {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .founders-grid {
        grid-template-columns: 1fr;
        max-width: 420px;
    }

    .sd-footer {
        padding: 48px 20px 0;
    }

    .footer-contact-row {
        flex-direction: column;
        gap: 20px;
    }
}

/* ======== RESPONSIVE – 1024px (Tablet) ======== */
@media (max-width: 1024px) and (min-width: 769px) {

    .hero-section {
        padding: 110px 48px 72px;
        gap: 40px;
    }

    .hero-title {
        font-size: 3rem;
    }

    .hero-logo-large {
        width: 180px;
    }

    .value-grid {
        grid-template-columns: 1fr 1fr;
    }

    .section-container {
        padding: 0 32px;
    }

    .header-inner {
        padding: 0 32px;
    }

    .validation-card {
        padding: 64px 56px;
    }
}