:root {
    --bg: #f8fafc;
    --text: #0f172a;
    --muted: #64748b;
    --accent: #2563eb;
    --accent-light: #dbeafe;
    --accent-dark: #1e40af;
    --nav-bg: rgba(255, 255, 255, 0.85);
    --radius: 20px;
    --container: 1140px;
    --transition: 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    --shadow-card: 0 10px 30px -5px rgba(0, 0, 0, 0.05);
    --shadow-hover: 0 20px 40px -5px rgba(37, 99, 235, 0.15);
     --fs-md: 1.1rem;                          
  --fs-base: 1.5rem;                           
  --fs-sm: 1.2rem;                          
  --fs-xs: 0.82rem;                          
  --fs-tiny: 0.75rem;    
}






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

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Inter", sans-serif;
    font-size: var(--fs-base);
    line-height: var(--lh-normal);
    background: #f8fafc;
    color: var(--text);
    overflow-x: hidden;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: -10%;
    left: -10%;
    width: 50%;
    height: 50%;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.1) 0%, transparent 70%);
    z-index: -1;
}

body::after {
    content: '';
    position: fixed;
    top: 20%;
    right: -10%;
    width: 40%;
    height: 40%;
    background: radial-gradient(circle, rgba(147, 197, 253, 0.15) 0%, transparent 70%);
    z-index: -1;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

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

button {
    font-family: inherit;
    cursor: pointer;
}

.container {
    width: 90%;
    max-width: var(--container);
    margin: 0 auto;
}


.text-gradient {
    background: linear-gradient(to right, #1e3a8a, #3b82f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}


.ett-hero {
    padding: 5rem 0 3rem;
    position: relative;
}

.ett-hero__inner {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.ett-hero__title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    line-height: 1.1;
    font-weight: 800;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.ett-hero__subtitle {
    font-size: var(--fs-sm);
    color: var(--muted);
    margin-bottom: 2rem;
    max-width: 90%;
    line-height: 1.7;
}


.hero-btns {
    display: flex;
    gap: 10px;
    margin-top: 2rem;
    flex-wrap: wrap;
}


@keyframes float {
    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-15px);
    }
}

.hero-img-container {
    position: relative;
    animation: float 6s ease-in-out infinite;
}


.chat-card {
    background: white;
    border-radius: 26px;
    padding: 1.6rem 1.5rem 1.3rem;
    box-shadow: 0 24px 60px rgba(15, 23, 42, 0.18);
    border: 1px solid #e2e8f0;
    position: relative;
    overflow: hidden;
}

.chat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.chat-driver {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.chat-avatar {
    width: 34px;
    height: 34px;
    border-radius: 999px;
    background: linear-gradient(135deg, #3b82f6, #22c55e);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.95rem;
    font-weight: 600;
}

.chat-driver-meta {
    font-size: 0.78rem;
    color: var(--muted);
}

.chat-badge {
    font-size: 0.75rem;
    padding: 0.25rem 0.7rem;
    border-radius: 999px;
    background: #eff6ff;
    color: #1d4ed8;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.ping-dot {
    width: 8px;
    height: 8px;
    border-radius: 999px;
    background: #22c55e;
    box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.8);
    animation: ping 1.6s infinite;
}

@keyframes ping {
    0% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.9);
    }

    70% {
        transform: scale(1.8);
        box-shadow: 0 0 0 12px rgba(34, 197, 94, 0);
    }

    100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(34, 197, 94, 0);
    }
}

.chat-body {
    display: grid;
    gap: 0.6rem;
    margin-bottom: 1rem;
    font-size: 0.85rem;
}

.bubble {
    max-width: 100%;
    padding: 0.65rem 0.85rem;
    border-radius: 14px;
    line-height: 1.5;
}

.bubble--out {
    background: #eff6ff;
    margin-left: auto;
    border-bottom-right-radius: 4px;
}

.bubble--in {
    background: #e5e7eb;
    margin-right: auto;
    border-bottom-left-radius: 4px;
}

.chat-footer {
    border-top: 1px solid #e5e7eb;
    padding-top: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.chat-pill {
    font-size: 0.7rem;
    padding: 0.25rem 0.7rem;
    border-radius: 999px;
    background: #0f172a;
    color: #e5e7eb;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.typing-dots {
    display: inline-flex;
    gap: 3px;
}

.typing-dots span {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: #e5e7eb;
    animation: bounce 1s infinite;
}

.typing-dots span:nth-child(2) {
    animation-delay: 0.15s;
}

.typing-dots span:nth-child(3) {
    animation-delay: 0.3s;
}

@keyframes bounce {
    0%,
    100% {
        transform: translateY(0);
        opacity: 0.4;
    }

    50% {
        transform: translateY(-3px);
        opacity: 1;
    }
}



.stats-strip {
    margin-top: 4rem;
    background: white;
    border-radius: 16px;
    padding: 2rem;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    box-shadow: var(--shadow-card);
    border: 1px solid #f1f5f9;
}

.stat-item {
    text-align: center;
    border-right: 1px solid #f1f5f9;
}

.stat-item:last-child {
    border-right: none;
}

.stat-num {
    display: block;
    font-size: var(--fs-xl);
    font-weight: var(--fw-bold);
    color: var(--accent);
    margin-bottom: 5px;
}

.stat-label {
    font-size: var(--fs-sm);
    color: var(--muted);
    font-weight: var(--fw-medium);
}


.section {
    padding: 5rem 0;
    position: relative;
}

.section__header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem;
}

.section__title {
    margin-bottom: 1rem;
    line-height: var(--lh-hero-title);
}

.section__desc {
    color: var(--muted);
    font-size: var(--fs-sm);
}


.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.8rem;
}

.feature-card {
    background: white;
    border-radius: 22px;
    padding: 1.6rem 1.6rem 1.8rem;
    box-shadow: var(--shadow-card);
    border: 1px solid #e5e7eb;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: -40px;
    right: -40px;
    width: 90px;
    height: 90px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.16), transparent 60%);
    opacity: 0;
    transition: 0.4s;
}

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: var(--accent-light);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon {
    width: 40px;
    height: 40px;
    border-radius: 14px;
    background: #eff6ff;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.9rem;
    font-size: var(--fs-lg);
    color: #1d4ed8;
}

.feature-title {
font-size: var(--fs-base);
    margin-bottom: 0.4rem;
}

.feature-text {
    font-size: var(--fs-sm);
    color: var(--muted);
    line-height: var(--lh-normal);
}

.feature-tag {
    margin-top: 0.75rem;
    font-size: var(--fs-xs);
    padding: 0.2rem 0.7rem;
    border-radius: 999px;
    background: #f1f5f9;
    display: inline-flex;
    gap: 6px;
    align-items: center;
    color: #0f172a;
}

.tag-dot {
    width: 7px;
    height: 7px;
    border-radius: 999px;
    background: #22c55e;
}



.capabilities {
    background: #f9fafb;
}

.cap-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.7rem;
}

.cap-card {
    background: white;
    border-radius: 22px;
    padding: 1.8rem;
    border: 1px solid #e5e7eb;
    box-shadow: var(--shadow-card);
    position: relative;
    overflow: hidden;
}

.cap-mini-label {
   
    margin-bottom: 0.4rem;
}

.cap-title {
    font-size: var(--fs-base);
   
    margin-bottom: 0.5rem;
}

.cap-text {
    font-size: var(--fs-sm);
    color: var(--muted);
    line-height: var(--lh-normal);
}

.cap-icon {
    position: absolute;
    top: 14px;
    right: 16px;
    font-size: 1.3rem;
    color: #93c5fd;
}

.cap-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: var(--fs-xs);
    padding: 0.15rem 0.55rem;
    border-radius: 999px;
    background: #eff6ff;
    color: #1d4ed8;
    margin-top: 0.7rem;
}


.msg-section {
    background: white;
}

.msg-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    gap: 3rem;
    align-items: center;
}

.msg-list {
    display: grid;
    gap: 0.8rem;
    color: var(--muted);
    font-size: var(--fs-base);
}

.msg-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.msg-dot {
    width: 7px;
    height: 7px;
    border-radius: 999px;
    background: var(--accent);
}

.msg-card {
    background: #0f172a;
    color: #e5e7eb;
    border-radius: 24px;
    padding: 1.6rem 1.4rem;
    box-shadow: 0 24px 60px rgba(15, 23, 42, 0.9);
    position: relative;
    overflow: hidden;
}

.msg-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.8rem;
    font-size: var(--fs-xs);
    color: #9ca3af;
}

.msg-body {
    font-size: var(--fs-sm);
    display: grid;
    gap: 0.4rem;
}

.msg-label {
    font-weight: var(--fw-semibold);
    color: #e5e7eb;
}

.msg-footer {
    margin-top: 0.9rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--fs-xs);
    color: #9ca3af;
}

.msg-chip {
    padding: 0.2rem 0.7rem;
    border-radius: 999px;
    background: rgba(37, 99, 235, 0.16);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: #bfdbfe;
    font-size: var(--fs-xs);
}



@media (max-width: 1024px) {

    .section {
        padding: 4rem 0;
    }

    .ett-hero__inner {
        grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
        gap: 3rem;
    }

    .section__title {
        font-size: var(--fs-xl);
    }

    .cap-grid {
        gap: 1.4rem;
    }

    .msg-layout {
        gap: 2.4rem;
    }
}


@media (max-width: 900px) {

    .ett-hero__inner {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .ett-hero__subtitle {
        margin: 0 auto 2rem;
        font-size: var(--fs-md);
    }

    .hero-btns {
        justify-content: center;
    }

    .hero-img-container {
        margin-top: 2rem;
        max-width: 460px;
        margin-inline: auto;
    }

    .stats-strip {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .stat-item {
        border-right: none;
        border-bottom: 1px solid #f1f5f9;
        padding-bottom: 1rem;
    }

    .stat-item:last-child {
        border-bottom: none;
    }
}


@media (max-width: 768px) {

    .container {
        width: 92%;
    }

    .section__title {
        font-size: var(--fs-xl);
    }

    .section__header {
        margin-bottom: 3rem;
    }

    .grid-2 {
        grid-template-columns: 1fr;
    }

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

    .msg-layout {
        grid-template-columns: 1fr;
    }

    .msg-card {
        margin-top: 1.5rem;
        max-width: 480px;
        margin-inline: auto;
        font-size: var(--fs-sm);
    }

    .cta-card {
        padding: 3.5rem 1.6rem;
    }
}


@media (max-width: 480px) {

    .container {
        width: 92%;
    }

    .ett-hero {
        padding: 4rem 0 2.5rem;
    }

    .ett-hero__title {
        font-size: var(--fs-xl);
        line-height: var(--lh-hero-title);
    }

    .ett-hero__subtitle {
        font-size: var(--fs-base);
    }

    .stats-strip {
        padding: 1.6rem 1.2rem;
        margin-top: 3rem;
    }

    .chat-card {
        padding: 1.3rem 1.1rem 1.1rem;
    }

    .msg-card {
        padding: 1.3rem 1.1rem;
    }

    .cta-card {
        padding: 3rem 1.3rem;
    }

    .cta-sub {
        font-size: var(--fs-md);
    }
}


@media (max-width: 960px) {
    .msg-layout {
        grid-template-columns: 1fr;
    }
}